From 9111809881c7e4ff27ae179f95197d180b3c6fb5 Mon Sep 17 00:00:00 2001
From: MrAlienBoiGithub <97860398+MrAlienBoiGithub@users.noreply.github.com>
Date: Thu, 3 Nov 2022 19:43:40 -0400
Subject: [PATCH] Added some things and added some ui

---
 imgs/back.png                            |   Bin 0 -> 9906 bytes
 imgs/btd4.jpg                            |   Bin 0 -> 45617 bytes
 imgs/calculator.png                      |   Bin 0 -> 14468 bytes
 imgs/download.png                        |   Bin 4293 -> 0 bytes
 imgs/flash.png                           |   Bin 0 -> 70805 bytes
 imgs/retrobowl.png                       |   Bin 0 -> 1554 bytes
 index.html                               |     8 +-
 sitemap.html                             |    20 +-
 tools/i2/Notifier.js                     |   136 +
 tools/i2/_draw.js                        |  5154 ++++
 tools/i2/_draw2.js                       |  8618 +++++++
 tools/i2/_draw3.js                       | 26155 +++++++++++++++++++++
 tools/i2/_grid2.js                       |  2575 ++
 tools/i2/_holder2.js                     |  3108 +++
 tools/i2/_keyboard.js                    |   709 +
 tools/i2/_mathsInput.js                  |  3723 +++
 tools/i2/_miscFuncs.js                   | 12393 ++++++++++
 tools/i2/_style.css                      |   186 +
 tools/i2/_text2.js                       |   925 +
 tools/i2/construct.html                  |    57 +
 tools/i2/fonts/hobo-webfont.eot          |   Bin 0 -> 29519 bytes
 tools/i2/fonts/hobo-webfont.svg          |   706 +
 tools/i2/fonts/hobo-webfont.ttf          |   Bin 0 -> 57040 bytes
 tools/i2/fonts/hobo-webfont.woff         |   Bin 0 -> 32432 bytes
 tools/i2/fonts/hobo-webfontd41d.eot      |   Bin 0 -> 29519 bytes
 tools/i2/fonts/segeo-print-webfont-2.svg |   249 +
 tools/i2/fonts/segeo-print-webfont.eot   |   Bin 0 -> 59430 bytes
 tools/i2/fonts/segeo-print-webfont.svg   |   Bin 0 -> 36608 bytes
 tools/i2/fonts/segeo-print-webfont.ttf   |   Bin 0 -> 59232 bytes
 tools/i2/fonts/segeo-print-webfont.woff  |   Bin 0 -> 38900 bytes
 tools/i2/fonts/smileymonster.eot         |   Bin 0 -> 14882 bytes
 tools/i2/fonts/smileymonster.svg         |   279 +
 tools/i2/fonts/smileymonster.ttf         |   Bin 0 -> 14624 bytes
 tools/i2/fonts/smileymonster.woff        |   Bin 0 -> 8448 bytes
 tools/i2/fonts/smileymonsterd41d.eot     |   Bin 0 -> 14882 bytes
 35 files changed, 64989 insertions(+), 12 deletions(-)
 create mode 100644 imgs/back.png
 create mode 100644 imgs/btd4.jpg
 create mode 100644 imgs/calculator.png
 delete mode 100644 imgs/download.png
 create mode 100644 imgs/flash.png
 create mode 100644 imgs/retrobowl.png
 create mode 100644 tools/i2/Notifier.js
 create mode 100644 tools/i2/_draw.js
 create mode 100644 tools/i2/_draw2.js
 create mode 100644 tools/i2/_draw3.js
 create mode 100644 tools/i2/_grid2.js
 create mode 100644 tools/i2/_holder2.js
 create mode 100644 tools/i2/_keyboard.js
 create mode 100644 tools/i2/_mathsInput.js
 create mode 100644 tools/i2/_miscFuncs.js
 create mode 100644 tools/i2/_style.css
 create mode 100644 tools/i2/_text2.js
 create mode 100644 tools/i2/construct.html
 create mode 100644 tools/i2/fonts/hobo-webfont.eot
 create mode 100644 tools/i2/fonts/hobo-webfont.svg
 create mode 100644 tools/i2/fonts/hobo-webfont.ttf
 create mode 100644 tools/i2/fonts/hobo-webfont.woff
 create mode 100644 tools/i2/fonts/hobo-webfontd41d.eot
 create mode 100644 tools/i2/fonts/segeo-print-webfont-2.svg
 create mode 100644 tools/i2/fonts/segeo-print-webfont.eot
 create mode 100644 tools/i2/fonts/segeo-print-webfont.svg
 create mode 100644 tools/i2/fonts/segeo-print-webfont.ttf
 create mode 100644 tools/i2/fonts/segeo-print-webfont.woff
 create mode 100644 tools/i2/fonts/smileymonster.eot
 create mode 100644 tools/i2/fonts/smileymonster.svg
 create mode 100644 tools/i2/fonts/smileymonster.ttf
 create mode 100644 tools/i2/fonts/smileymonster.woff
 create mode 100644 tools/i2/fonts/smileymonsterd41d.eot

diff --git a/imgs/back.png b/imgs/back.png
new file mode 100644
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diff --git a/imgs/retrobowl.png b/imgs/retrobowl.png
new file mode 100644
index 0000000000000000000000000000000000000000..3f6b6c7dfb4238adac0bb928d449d3d77ff2068d
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diff --git a/index.html b/index.html
index 3fea555..f19eded 100644
--- a/index.html
+++ b/index.html
@@ -1,10 +1,10 @@
 <!DOCTYPE html>
 <html class="noscroll">
     <head>
-<Title>Home</Title>
-<link rel="shortcut icon" href="globe.gif" type="image/x-icon">
-<link rel="stylesheet" href="styles/style.css">
-<link rel="stylesheet" href="styles/border.css"
+      <Title>Home</Title>
+      <link rel="shortcut icon" href="globe.gif" type="image/x-icon">
+      <link rel="stylesheet" href="styles/style.css">
+      <link rel="stylesheet" href="styles/border.css">
     </head>
     <body>
         <h2>Home</h2>
diff --git a/sitemap.html b/sitemap.html
index 54fb58b..9d812d8 100644
--- a/sitemap.html
+++ b/sitemap.html
@@ -5,15 +5,17 @@
         <link rel="shortcut icon" href="globe.gif" type="image/x-icon">
     </head>
     <body>
-        <a href="index.html">back</a>
+        <a href="index.html"><img src="imgs/back.png" alt="back" style="width: 32px; height: 32px;"> </a>
         <br>
-        <a href="tools/calculator/index.html">Calculator</a>
-        <br>
-        <a href="tools/retro-bowl/index.html">Retro-bowl</a>
-        <br>
-        <a href="tools/btd4/index.html">BTD4</a>
-        <br>
-        <a href="tools/swfs/index.html">Flash</a>
+        &nbsp;
+        &nbsp;
+        &nbsp;
+        &nbsp;
+        &nbsp;
+        <a href="tools/calculator/index.html"><img src="imgs/calculator.png" alt="calculator" style="width: 84px; height: 84px;"></a>
+        <a href="tools/retro-bowl/index.html"><img src="imgs/retrobowl.png" alt="retro-bowl" style="width: 84px; height: 84px;"></a>
+        <a href="tools/btd4/index.html"><img src="imgs/btd4.jpg" alt="BTD4" style="width: 84px; height: 84px;"></a>
+        <a href="tools/swfs/index.html"><img src="imgs/flash.png" alt="Flash Player" style="width: 84px; height: 84px;"></a>
         <br>
         <a href="tools/2048/index.html">2048</a>
         <br>
@@ -36,6 +38,8 @@
         <a href="tools/vex5/index.html">Vex 5</a>
         <br>
         <a href="tools/drift/index.html">Drift</a>
+        <br>
+        <a href="tools/i2/">constructs</a>
     </body>
     <style>
     html, body {
diff --git a/tools/i2/Notifier.js b/tools/i2/Notifier.js
new file mode 100644
index 0000000..02b0070
--- /dev/null
+++ b/tools/i2/Notifier.js
@@ -0,0 +1,136 @@
+/***********************
+* Notifier.js - Developed by rlemon (rob.lemon@gmail.com) https://github.com/rlemon/Notifier.js
+* Licensed under GNU GPL V3 https://github.com/rlemon/Notifier.js/blob/master/LICENSE
+***********************/
+var Notifier = (function() {
+    var apply_styles = function(element, style_object) {
+        for (var prop in style_object) {
+            element.style[prop] = style_object[prop];
+        }
+    };
+    var fade_out = function(element) {
+        if (element.style.opacity && element.style.opacity > 0.05) {
+            element.style.opacity = element.style.opacity - 0.05;
+        } else if (element.style.opacity && element.style.opacity <= 0.1) {
+            if (element.parentNode) {
+                element.parentNode.removeChild(element);
+            }
+        } else {
+            element.style.opacity = 0.9;
+        }
+        setTimeout(function() {
+            fade_out.apply(this, [element]);
+        }, 1000 / 30);
+    };
+    var config = { /* How long the notification stays visible */
+        default_timeout: 4000,
+        /* container for the notifications */
+        container: document.createElement('div'),
+        /* container styles for notifications */
+        container_styles: {
+            position: "fixed",
+            //zIndex: 99999,
+            zIndex: 99999999999999,
+            right: "12px",
+            //top: "12px"
+			bottom: "12px"
+        },
+        /* individual notification box styles */
+        box_styles: {
+            cursor: "pointer",
+            padding: "12px 18px",
+            margin: "0 0 6px 0",
+            backgroundColor: "#000",
+            //opacity: 0.8,
+            color: "#fff",
+            font: "normal 13px 'Lucida Sans Unicode', 'Lucida Grande', Verdana, Arial, Helvetica, sans-serif",
+            borderRadius: "3px",
+            boxShadow: "#999 0 0 12px",
+            width: "300px"
+        },
+        /* individual notification box hover styles */
+        box_styles_hover: {
+            opacity: 1,
+            boxShadow: "#000 0 0 12px"
+        },
+        /* notification title text styles */
+        title_styles: {
+            fontWeight: "700"
+        },
+        /* notification body text styles */
+        text_styles: {
+            display: "inline-block",
+            verticalAlign: "middle",
+            width: "240px",
+            padding: "0 12px"
+        },
+        /* notification icon styles */
+        icon_styles: {
+            display: "inline-block",
+            verticalAlign: "middle",
+            height: "36px",
+            width: "36px"
+        }
+    };
+    apply_styles(config.container, config.container_styles);
+    document.body.appendChild(config.container);
+    return {
+        notify: function(message, title, image) {
+
+            var notification = document.createElement('div');
+            apply_styles(notification, config.box_styles);
+
+            notification.onmouseover = function() {
+                apply_styles(this, config.box_styles_hover);
+            };
+            notification.onmouseout = function() {
+                apply_styles(this, config.box_styles);
+            };
+            notification.onclick = function() {
+                this.style.display = 'none';
+            };
+
+            var icon = document.createElement('img');
+            icon.src = image;
+            apply_styles(icon, config.icon_styles);
+
+            notification.appendChild(icon);
+
+            var text = document.createElement('div');
+            apply_styles(text, config.text_styles);
+
+            notification.appendChild(text);
+
+            if (title) {
+                var title_text = document.createElement('div');
+                apply_styles(title_text, config.title_styles);
+                title_text.appendChild(document.createTextNode(title));
+                text.appendChild(title_text);
+            }
+
+            if (message) {
+                var message_text = document.createElement('div');
+                message_text.appendChild(document.createTextNode(message));
+                text.appendChild(message_text);
+            }
+
+            config.container.insertBefore(notification, config.container.firstChild);
+
+            setTimeout(function() {
+                fade_out(notification);
+            }, config.default_timeout);
+        },
+        info: function(message, title) {
+            this.notify(message, title, "data:image/png;base64,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");
+        },
+        warning: function(message, title) {
+            this.notify(message, title, "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAAAXNSR0IArs4c6QAAAAZiS0dEAP8A/wD/oL2nkwAAAAlwSFlzAAALEwAACxMBAJqcGAAAAAd0SU1FB9wCBxILGKEFK64AAAZZSURBVFjDvZdbjFVXGcd/39qXc+Ywl9LQYdoCji0XhbRorVOVXnRKShUjSmPB2KT2yUaa2AeTYqyJDanxAR5UHiRqJZEUaRS1AS+Q0KLcxGCpBVMwaUIphRYYcGbOzD57r/V9PuztjLEoZQBXsnPOWdlrff/1v6x1Fkyw2YH7L/j9Uls8kUG6fxFqdr3+eeEq0HY1exp4ZSJzyaUXvw/ErjULZ2XGCiPuwo59T0SzWzAOub5tXPUW9vX/So+vNz39J9O3dpme3aVh710nJzKXu6TCe+8l7Fv4AeKOJdK5AJEYiRuImyx09fWEfQu/dtUl8LvuPORuXjmXZKpI1AbiQHPMOfTQo4VJrSNZ8ELrijPQ3PFx/O5PLKP9/fOk3isiUVlcYsAhvoVMfSAR0+9cNQbyF/uyeN7qlKAicQPiNhCBUGB+FEnaKQ4/jliYjtkbyd1/uOic0bsuvvOuVe66hf0u6REB1Bxff/qH/HHPS4yONJndex1kZ6B9ptm5/R9K79m9/orsA60dH0NEukz9k27KvTByCuIGrt7Oxs3b6Whv0Nk5iU/dPQu0RVTrFU177slfuPOjZrq31r/n8jxQ69+DBb/O3fB55Nxh0Az8CMQeVcV7T1saYfkQ+BFs6AjRjctNi+bPL1b8ogCy3/eRbbtjrkXty+LaNAij4JvghyEfJE1TvPfUU0GKYfBNxLdwrfMikz98Q7b9I1+9LAD1Rfsxn/0snv4Fs4GDZfFiuALwD9I0KQHEBn4IiiHww1jzDZLu+9C8ubr529ujCQEY+cVcRn5z+wN0zLnF5cOCKYSipL8YgnyQei2lKDxtKVAMgm9imoEFOPsXohuXxGK6ekIAGg/8DSuGNiTXLzYG/w4hxyzHNIfQgmKYNIkofEFbYhAyCHkZSc2hGCFpn4WpPT6yZX538/n5lwag+etbn4p6PlmXswfELJS7XSgfDS3wo9RShy88bTUt+7UF2kIqsHpqJ0nvQ6a+2DjpMy+/uxgObZ6HiHRpyL9R65qDvb0bcQnqFLHA2A7oR2lLHXnhaaQKoYVglGADpgEsEIWWSG1q//Avoz4z3d+x9PD/ZqBj6WHU+7VJ7/LITmwrqQ8V7aGFVg/FCGlieB9oSwqs6rfqPTQr+07vJ5mxxLRobvzP4u9gYHDTbBCZK3H7QxFAaGGmYIqYxyQCiRBx4I1GzSgKTyMtSg9goIpaQCyAeswCcu6QRFPuuGnwufSxzgdfXftfGehcdhTz2U+T3s+avrmt0ryFhQzz5SchQ0MGxQj11NAQaKQ56lvgs8qM1TshA22hg0dJp9yGFc015zbNjC7IwPkNN4G4RdI56zY3eAQzxbQF5hFLMPGIRqg4RBxmBdd0CLW2lEaUQTGKYhVbWq3eg3owj77+PMl7Ppfmx7Z8G3jigqfhwE96sknzV6T22rNCVEeipDxuXVSZrzIgDkRIerrhmi78a8ewvFVKYIqZIhX9ph6xgIUcN30xzSPPYeaniHJ28sPHxgGcWz/jyWRa/6po+BUohhCXgItAYkRicG5cfwRDiF053CuIGJiNecYqH5j+C4THwig2YxnZqxu2XvvIiU+PSTDwzLRJ6vOnko5uwtsnIUrBFCxCJGDiQcviJg4TIQuOVZsLAL65NKUeKWBIxQAW0IoJLKDqEVWi7DhSn7p44Bn5oJm9FAOo99+vz3nQ+SM/AhcjBriAaQwujK1cxYE4ksixcqNn+4Gs3LRaddZ+McYHQ6k8YAoaxhNRyeFf30p9zgprHvzBpimPDsyOz6ybOpO48UgcTuPVIxiIosSIBLBSd/03+okiMs0ZGhouT001oIaFMCaDjQHxmI5LAmAnfydRd9+sM+sOPhybz7/V9r7l5o9+V4jbsKDgqhVUqx7//ycgjnxUWPNYO5q2MIM1X26QnxoqDWWGUY5XKwGJBqBiQwM68Fdqc75iwyd2r4w1FL2cf1lMHKIeEcVUQcK46yUAUkkggNB2MufHX0oBKE4OgNpYDIFxGSogUjFSbtHAqR1iuPfGkGzJ3jy0oBYBrsBwCKGMmpWaW6W9mFQxFDAo3srLIBulAbEqilUaMLAwBmYsIQrZwGlQ2SoAO59of/bm7mhxPZFOswteRS/jHiXv+OkDxfGB8GLfqqH7pYrirUAOBP4/zQE1kYldaK9o+yfo49dpgHxFaAAAAABJRU5ErkJggg==");
+        },
+        success: function(message, title) {
+            this.notify(message, title, "data:image/png;base64,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");
+        },
+        error: function(message, title) {
+            this.notify(message, title, "data:image/png;base64,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");
+        }
+    };
+}());
diff --git a/tools/i2/_draw.js b/tools/i2/_draw.js
new file mode 100644
index 0000000..c9eca8c
--- /dev/null
+++ b/tools/i2/_draw.js
@@ -0,0 +1,5154 @@
+/*
+zIndexes:
+n = num of drawCanvases
+drawCanvas[i] 10+2*i
+path[i].mathsInputs 10+2*i+1
+toolsCanvas 10+2*n
+cursorCanvas 10+2*n+1
+*/
+var selImg = new Image();
+selImg.src = "data:image/png;base64,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";
+function makeFillCursor(canvas,color) {
+	var ctx = canvas.getContext('2d');
+	
+	ctx.translate(26,25);
+	ctx.rotate(-0.25*Math.PI);
+	
+	ctx.strokeStyle = '#000';
+	ctx.fillStyle = '#FFF';	
+	ctx.lineWidth = 1;
+	ctx.beginPath();
+	ctx.moveTo(-7,-8);
+	ctx.lineTo(7,-8);
+	ctx.scale(7/2,1);
+	ctx.arc(0,-8,2,Math.PI,2*Math.PI);
+	ctx.scale(2/7,1);
+	ctx.lineTo(7,8);
+	ctx.scale(7/2,1);
+	ctx.arc(0,8,2,0,Math.PI);
+	ctx.scale(2/7,1);	
+	ctx.lineTo(-7,-8);
+	ctx.stroke();
+	ctx.fill();
+	
+	ctx.strokeStyle = '#000';
+	ctx.fillStyle = color;
+	ctx.lineWidth = 0.5;
+	ctx.beginPath();
+	ctx.moveTo(7,-8);
+	ctx.scale(7/2,1);
+	ctx.arc(0,-8,2,Math.PI,3*Math.PI);
+	ctx.scale(2/7,1);
+	ctx.fill();
+	ctx.stroke();
+	
+	ctx.fillRect(-7,0,9,5);
+	ctx.strokeRect(-7,0,9,5);	
+	
+	ctx.beginPath();
+	ctx.moveTo(0,-4);
+	ctx.arc(0,-4,1,0,2*Math.PI);
+	ctx.fill();
+	ctx.beginPath();
+	ctx.moveTo(0,-4);	
+	ctx.quadraticCurveTo(20,10,8,-2);
+	ctx.stroke();
+	
+	ctx.strokeStyle = color;
+	ctx.beginPath();
+	ctx.moveTo(-3,-9);
+	ctx.quadraticCurveTo(-6,-17,-15,-3);
+	ctx.quadraticCurveTo(-9,-9,-7,-9);
+	ctx.closePath();
+	ctx.fill();
+	ctx.stroke();
+	
+	ctx.rotate(0.25*Math.PI);
+	ctx.translate(-26,-25);
+	
+	return [canvas.toDataURL(), 26-15*Math.sqrt(2)/2-3*Math.sqrt(2)/2, 25+15*Math.sqrt(2)/2-3*Math.sqrt(2)/2];
+	// [data image, hotspotX, hotspotY]
+}
+
+function boolean(testVar, def) {
+	if (typeof testVar == 'boolean') {
+		return testVar;
+	} else {
+		return def;
+	}
+}
+if (un(draw)) var draw = {};
+function addDrawTools(object) {
+	var zIndex = object.zIndex || 10;
+	if (typeof object.protractor !== 'undefined' || typeof object.compass !== 'undefined' || typeof object.ruler !== 'undefined') {
+		var retainCursorCanvas = true;
+	} else {
+		var retainCursorCanvas = boolean(object.retainCursorCanvas,false); // if false, hides the cursorCanvas when mode is 'select'
+	}
+	var color = object.color || '#000';
+	var thickness = object.thickness || 1;
+	var fillColor = object.fillColor || 'none';
+	var buttonSize = object.buttonSize || 55;
+	var buttonColor = object.buttonColor || '#C9F';
+	var buttonSelectedColor = object.buttonSelectedColor || '#FFC';
+	var defaultMode = object.defaultMode || object.drawMode || 'none';
+	var drawMode = object.drawMode || object.defaultMode;
+	var drawArea = object.drawArea || [0,0,mainCanvasWidth,mainCanvasHeight];
+	var drawRelPos = object.drawRelPos || [0,0];
+	var snapLinesTogether = boolean(object.snapLinesTogether, false);
+	var gridSnap = boolean(object.gridSnap, false);
+	var gridSnapSize = object.gridSnapSize || 15;
+	var gridSnapRect = object.gridSnapRect || [0,0,1200,700];
+	var gridMargin = object.gridMargin || [0,0,0,0];
+	var selectTolerance = object.selectTolerance || 20;
+	var selectColor = object.selectColor || '#33F';
+	var selectPadding = object.selectPadding || 30;	
+	if (typeof object.maxLines == 'number') {
+		var maxLines = object.maxLines;
+	} else {
+		var maxLines = 10000;
+	}
+	var snap = boolean(object.snap,true);
+	var snapTolerance = object.snapTolerance || 25;	
+	var path = object.path || [];	
+	var drawCanvas = [createCanvas(drawArea[0]+drawRelPos[0],drawArea[1]+drawRelPos[1],drawArea[2],drawArea[3],true,false,false,zIndex),createCanvas(drawArea[0],drawArea[1],drawArea[2],drawArea[3],true,false,false,zIndex+2)];
+	//var drawCanvas2 = [createCanvas(drawArea[0]+drawRelPos[0],drawArea[1]+drawRelPos[1],drawArea[2],drawArea[3],true,false,false,zIndex),createCanvas(drawArea[0],drawArea[1],drawArea[2],drawArea[3],true,false,false,zIndex+2)];		
+	zIndex += 4;
+	var toolsCanvas = createCanvas(drawArea[0]+drawRelPos[0],drawArea[1]+drawRelPos[1],drawArea[2],drawArea[3],true,false,false,zIndex);
+	zIndex++;
+	var cursorCanvas = createCanvas(drawArea[0]+drawRelPos[0],drawArea[1]+drawRelPos[1],drawArea[2],drawArea[3],true,false,true,zIndex);	
+	zIndex++;
+	var hiddenCanvas = createCanvas(0,0,50,50,false,false,false,0); // for drawing cursors on
+	var flattenMode = boolean(object.flattenMode,false); // flatten everything as much as possible (good for scrolling)
+	highlightCursorPositions = boolean(object.highlightCursorPositions,false);
+
+	draw.scale = 1;
+	draw.zIndex = zIndex;
+	draw.drawButtonZIndex = zIndex+1000000;
+	draw.drawCanvas = drawCanvas;// moves when things are dragged
+	//draw.drawCanvas2 = drawCanvas2;// does not move
+	draw.hiddenCanvas = hiddenCanvas;
+	draw.toolsCanvas = toolsCanvas;
+	draw.toolsctx = toolsCanvas.getContext('2d');
+	draw.toolOrder = ['compass','protractor','ruler'];// first is front-most
+	draw.buttons = [];
+	draw.flattenMode = flattenMode;
+	draw.drawMode = drawMode;
+	draw.defaultMode = defaultMode;
+	draw.startDrawMode = drawMode;
+	draw.prevDrawMode = 'none';
+	draw.drawing = false;
+	draw.drawArea = drawArea;
+	draw.drawRelPos = drawRelPos;
+	draw.maxLines = maxLines;
+	draw.snapPoints = [];
+	draw.showSnapPoints = false;
+	draw.snap = true;
+	draw.snapTolerance = snapTolerance;
+	draw.path = path.slice(0);
+	draw.startPath = path.slice(0);
+	draw.protractorVisible = false;
+	draw.compassVisible = false;
+	draw.rulerVisible = false;
+	draw.compassHelpVisible = false;
+	draw.color = color;
+	draw.startColor = color;
+	draw.thickness = thickness;
+	draw.startThickness = thickness;
+	draw.fillColor = fillColor;
+	draw.startFillColor = fillColor;
+	draw.buttonSize = buttonSize;
+	draw.buttonColor = buttonColor;
+	draw.buttonSelectedColor = buttonSelectedColor;
+	draw.colorButtons = [];
+	draw.colorSelectVisible = false;
+	draw.lineWidthSelectVisible = false;
+	draw.fillColorButtons = [];
+	draw.fillColorSelectVisible = false;			
+	draw.thicknessButtons = [];
+	draw.thicknessSelectVisible = false;
+	draw.lineEndStartButtons = [];
+	draw.lineEndMidButtons = [];
+	draw.lineEndFinButtons = [];
+	draw.lineEndSizeButtons = [];
+	draw.lineEndButtonsVisible = false;
+	draw.lineEndsSize = 12;
+	draw.selectButtons = [];
+	draw.selectButtonsVisible = false;
+	draw.cursorCanvas = cursorCanvas;
+	draw.retainCursorCanvas = retainCursorCanvas;
+	draw.highlightCursorPositions = highlightCursorPositions;
+	draw.penCursor = null;
+	draw.penCursorHotspot = [];
+	draw.rulerEdgeCursor1 = null;
+	draw.rulerEdgeCursorHotspot1 = [];
+	draw.rulerEdgeCursor2 = null;
+	draw.rulerEdgeCursorHotspot2 = [];						
+	draw.ruler180 = null;						
+	draw.ruler180Hotspot = [];						
+	draw.lineCursor = null;
+	draw.lineCursorHotspot = [];
+	draw.fillCursor = null;
+	draw.fillCursorHotspot = [];
+	draw.prevX = null;
+	draw.prevY = null;
+	draw.startX = null;
+	draw.startY = null;
+	draw.snapLinesTogether = snapLinesTogether;
+	draw.gridSnap = gridSnap;
+	draw.gridSnapRect = gridSnapRect;
+	draw.gridSnapSize = gridSnapSize;
+	draw.gridVertMargins = object.gridVertMargins || [];
+	draw.gridHorizMargins = object.gridHorizMargins || [];
+	draw.gridMargin = gridMargin;
+	draw.horizSnap = 'left';
+	draw.vertSnap = 'top';			
+	draw.selectTolerance = selectTolerance;
+	draw.selectColor = selectColor;
+	draw.selectPadding = selectPadding;
+	draw.triggerEnabled = false;
+	draw.triggerNum = 0;
+	draw.triggerNumMax = 1;
+	draw.stepNum = 0;
+	draw.videoAdded = false;
+	draw.tableSizeVisible = false;
+	changeDrawMode(draw.drawMode);
+	draw.cursors = {
+		default:'default',
+		move1:'url("/i2/cursors/openhand.cur"), auto',
+		move2:'url("/i2/cursors/closedhand.cur"), auto',
+		move3:'move',
+		ew:'ew-resize',
+		ns:'ns-resize',
+		nw:'nw-resize',
+		text:'text',
+		pointer:'pointer',
+		rotate:'url("/i2/cursors/rotate.cur"), auto',
+		update:function() {
+			var canvas = draw.hiddenCanvas;
+			var ctx = draw.hiddenCanvas.ctx;
+
+			ctx.clearRect(0,0,50,50);			
+			ctx.lineCap = 'round';
+			ctx.lineJoin = 'round';
+			ctx.translate(25,25);
+			ctx.rotate(Math.PI/4);
+				ctx.fillStyle = draw.color;
+				ctx.fillRect(-5,-11,10,20);
+				ctx.fillRect(-5,-18,10,5);
+				ctx.beginPath();
+				ctx.moveTo(-5,11);
+				ctx.lineTo(0,18);
+				ctx.lineTo(5,11);
+				ctx.lineTo(-5,11);
+				ctx.fill();		
+			ctx.rotate(-Math.PI/4);	
+			ctx.translate(-25,-25);
+
+			draw.penCursor = canvas.toDataURL();
+			draw.penCursorHotspot = [25-18/Math.sqrt(2),25+18/Math.sqrt(2)];	
+			
+			ctx.clearRect(0,0,50,50);
+			ctx.strokeStyle = draw.color;
+			ctx.lineWidth = 2;
+			ctx.beginPath();
+			ctx.moveTo(2,2);
+			ctx.lineTo(12,12);
+			ctx.moveTo(2,12);
+			ctx.lineTo(12,2);
+			ctx.stroke();
+			
+			draw.lineCursor = canvas.toDataURL();
+			draw.lineCursorHotspot = [7,7];
+	
+			if (typeof draw.ruler !== 'undefined') {
+				ctx.clearRect(0,0,50,50);
+				ctx.translate(25,25);
+				ctx.rotate(draw.ruler.angle);
+					ctx.fillStyle = draw.color;
+					ctx.fillRect(-5,-11,10,20);
+					ctx.fillRect(-5,-18,10,5);
+					ctx.beginPath();
+					ctx.moveTo(-5,11);
+					ctx.lineTo(0,18);
+					ctx.lineTo(5,11);
+					ctx.lineTo(-5,11);
+					ctx.fill();		
+				ctx.rotate(-draw.ruler.angle);	
+				ctx.translate(-25,-25);
+
+				draw.rulerEdgeCursor1 = canvas.toDataURL();
+				draw.rulerEdgeCursorHotspot1 = [25-18*Math.sin(draw.ruler.angle),25+18*Math.cos(draw.ruler.angle)];
+				
+				ctx.clearRect(0,0,50,50);
+				ctx.translate(25,25);
+				ctx.rotate(Math.PI+draw.ruler.angle);
+					ctx.fillStyle = draw.color;
+					ctx.fillRect(-5,-11,10,20);
+					ctx.fillRect(-5,-18,10,5);
+					ctx.beginPath();
+					ctx.moveTo(-5,11);
+					ctx.lineTo(0,18);
+					ctx.lineTo(5,11);
+					ctx.lineTo(-5,11);
+					ctx.fill();		
+				ctx.rotate(-Math.PI-draw.ruler.angle);	
+				ctx.translate(-25,-25);
+
+				draw.rulerEdgeCursor2 = canvas.toDataURL();
+				draw.rulerEdgeCursorHotspot2 = [25-18*Math.sin(Math.PI+draw.ruler.angle),25+18*Math.cos(Math.PI+draw.ruler.angle)];
+				
+				ctx.clearRect(0,0,50,50);
+				ctx.translate(25,25);
+				ctx.rotate(Math.PI+draw.ruler.angle);
+					ctx.fillStyle = draw.color;
+					ctx.beginPath();
+					ctx.moveTo(0,-7);
+					ctx.lineTo(-8,3);
+					ctx.lineTo(8,3);
+					ctx.lineTo(0,-7);
+					ctx.fill();
+				ctx.rotate(-Math.PI-draw.ruler.angle);	
+				ctx.translate(-25,-25);
+				
+				draw.ruler180 = canvas.toDataURL();
+				draw.ruler180Hotspot = [25,25];
+			}
+			
+			if (draw.drawMode == 'floodFill') {
+				ctx.clearRect(0,0,50,50);
+				
+				ctx.translate(26,25);
+				ctx.rotate(-0.25*Math.PI);
+				
+				ctx.strokeStyle = '#000';
+				ctx.fillStyle = '#FFF';	
+				ctx.lineWidth = 1;
+				ctx.beginPath();
+				ctx.moveTo(-7,-8);
+				ctx.lineTo(7,-8);
+				ctx.scale(7/2,1);
+				ctx.arc(0,-8,2,Math.PI,2*Math.PI);
+				ctx.scale(2/7,1);
+				ctx.lineTo(7,8);
+				ctx.scale(7/2,1);
+				ctx.arc(0,8,2,0,Math.PI);
+				ctx.scale(2/7,1);	
+				ctx.lineTo(-7,-8);
+				ctx.stroke();
+				ctx.fill();
+				
+				var color = draw.fillColor !== 'none' ? draw.fillColor : '#00F';
+				
+				ctx.strokeStyle = '#000';
+				ctx.fillStyle = color;
+				ctx.lineWidth = 0.5;
+				ctx.beginPath();
+				ctx.moveTo(7,-8);
+				ctx.scale(7/2,1);
+				ctx.arc(0,-8,2,Math.PI,3*Math.PI);
+				ctx.scale(2/7,1);
+				ctx.fill();
+				ctx.stroke();
+				
+				ctx.fillRect(-7,0,9,5);
+				ctx.strokeRect(-7,0,9,5);	
+				
+				ctx.beginPath();
+				ctx.moveTo(0,-4);
+				ctx.arc(0,-4,1,0,2*Math.PI);
+				ctx.fill();
+				ctx.beginPath();
+				ctx.moveTo(0,-4);	
+				ctx.quadraticCurveTo(20,10,8,-2);
+				ctx.stroke();
+				
+				ctx.strokeStyle = color;
+				ctx.beginPath();
+				ctx.moveTo(-3,-9);
+				ctx.quadraticCurveTo(-6,-17,-15,-3);
+				ctx.quadraticCurveTo(-9,-9,-7,-9);
+				ctx.closePath();
+				ctx.fill();
+				ctx.stroke();
+				
+				ctx.rotate(0.25*Math.PI);
+				ctx.translate(-26,-25);
+				
+				draw.fillCursor = canvas.toDataURL();
+				draw.fillCursorHotspot = [
+					26-15*Math.sqrt(2)/2-3*Math.sqrt(2)/2,
+					25+15*Math.sqrt(2)/2-3*Math.sqrt(2)/2
+				];
+			}
+			
+			ctx.clearRect(0,0,50,50);
+			ctx.lineCap = 'butt';
+			ctx.lineJoin = 'miter';
+			drawArrow({ctx:ctx,startX:25,startY:19,finX:25,finY:31,arrowLength:4,color:'#000',lineWidth:5,fillArrow:true,doubleEnded:false,angleBetweenLinesRads:0.5});
+			drawArrow({ctx:ctx,startX:25,startY:20,finX:25,finY:31,arrowLength:4,color:'#FFF',lineWidth:3,fillArrow:true,doubleEnded:false,angleBetweenLinesRads:0.5});
+			draw.downArrowCursor = canvas.toDataURL();
+			draw.downArrowCursorHotspot = [25,31];
+			
+			ctx.clearRect(0,0,50,50);
+			drawArrow({ctx:ctx,startX:19,startY:25,finX:31,finY:25,arrowLength:4,color:'#000',lineWidth:5,fillArrow:true,doubleEnded:false,angleBetweenLinesRads:0.5});
+			drawArrow({ctx:ctx,startX:20,startY:25,finX:30,finY:25,arrowLength:4,color:'#FFF',lineWidth:3,fillArrow:true,doubleEnded:false,angleBetweenLinesRads:0.5});
+			draw.rightArrowCursor = canvas.toDataURL();
+			draw.rightArrowCursorHotspot = [31,25];
+			
+			ctx.clearRect(0,0,50,50);
+			drawArrow({ctx:ctx,startX:25-6/Math.sqrt(2),startY:25+6/Math.sqrt(2),finX:25+6/Math.sqrt(2),finY:25-6/Math.sqrt(2),arrowLength:4,color:'#000',lineWidth:5,fillArrow:true,doubleEnded:false,angleBetweenLinesRads:0.5});
+			drawArrow({ctx:ctx,startX:25-6/Math.sqrt(2),startY:25+6/Math.sqrt(2),finX:25+6/Math.sqrt(2),finY:25-6/Math.sqrt(2),arrowLength:4,color:'#FFF',lineWidth:3,fillArrow:true,doubleEnded:false,angleBetweenLinesRads:0.5});			
+			draw.upRightArrowCursor = canvas.toDataURL();
+			draw.upRightArrowCursorHotspot = [25+6/Math.sqrt(2),25-6/Math.sqrt(2)];			
+			
+			this.pen = 'url("'+draw.penCursor+'") '+draw.penCursorHotspot[0]+' '+draw.penCursorHotspot[1]+', auto';
+			this.cross = 'url("'+draw.lineCursor+'") '+draw.lineCursorHotspot[0]+' '+draw.lineCursorHotspot[1]+' auto';
+			this.rulerPen1 = 'url("'+draw.rulerEdgeCursor1+'") '+draw.rulerEdgeCursorHotspot1[0]+' '+draw.rulerEdgeCursorHotspot1[1]+', auto';
+			this.rulerPen2 = 'url("'+draw.rulerEdgeCursor2+'") '+draw.rulerEdgeCursorHotspot2[0]+' '+draw.rulerEdgeCursorHotspot2[1]+', auto';
+			this.ruler180 = 'url("'+draw.ruler180+'") '+draw.ruler180Hotspot[0]+' '+draw.ruler180Hotspot[1]+', auto';
+			this.fill = 'url("'+draw.fillCursor+'") '+draw.fillCursorHotspot[0]+' '+draw.fillCursorHotspot[1]+', auto';
+			this.downArrow = 'url("'+draw.downArrowCursor+'") '+draw.downArrowCursorHotspot[0]+' '+draw.downArrowCursorHotspot[1]+', auto';
+			this.rightArrow = 'url("'+draw.rightArrowCursor+'") '+draw.rightArrowCursorHotspot[0]+' '+draw.rightArrowCursorHotspot[1]+', auto';
+			this.upRightArrow = 'url("'+draw.upRightArrowCursor+'") '+draw.upRightArrowCursorHotspot[0]+' '+draw.upRightArrowCursorHotspot[1]+', auto';			
+		}
+	}
+	if (typeof object.protractor == 'object') {
+		var buttonPos = object.protractor.buttonPos || [1120,620];
+		var protractorButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		protractorButton.type = 'protractor';
+		protractorButton.draw = function() {
+			var color = draw.buttonColor;
+			if (draw.protractorVisible == true) color = draw.buttonSelectedColor;
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',color);
+			this.ctx.lineWidth = 1;
+			this.ctx.strokeStyle = '#000';
+			this.ctx.beginPath();
+			this.ctx.moveTo(46.5,35.5);
+			this.ctx.lineTo(46.5,37.5);
+			this.ctx.lineTo(8.5,37.5);		
+			this.ctx.lineTo(8.5,34.5);
+			this.ctx.arc(27.5,34.5,19,Math.PI,2*Math.PI);
+			this.ctx.stroke();	
+			if (draw.protractorVisible == false) {
+				this.ctx.fillStyle = '#CCF';
+				this.ctx.fill();
+				for (var i = 0; i < 7; i++) {
+					this.ctx.moveTo(27.5+4*Math.cos((1+i/6)*Math.PI),34.5+4*Math.sin((1+i/6)*Math.PI));
+					this.ctx.lineTo(27.5+16*Math.cos((1+i/6)*Math.PI),34.5+16*Math.sin((1+i/6)*Math.PI))
+				}
+				this.ctx.stroke();
+				this.ctx.beginPath();
+				this.ctx.arc(27.5,34.5,15,Math.PI,2*Math.PI);
+				for (var i = 0; i < 19; i++) {
+					this.ctx.moveTo(27.5+17*Math.cos((1+i/18)*Math.PI),34.5+17*Math.sin((1+i/18)*Math.PI));
+					this.ctx.lineTo(27.5+19*Math.cos((1+i/18)*Math.PI),34.5+19*Math.sin((1+i/18)*Math.PI))
+				}
+				this.ctx.moveTo(27.5,34.5);
+				this.ctx.lineTo(27.5,30.5);
+				this.ctx.moveTo(23.5,34.5);
+				this.ctx.lineTo(31.5,34.5);		
+				this.ctx.stroke();
+			}			
+		}
+		protractorButton.click = function() {
+			draw.protractorVisible = !draw.protractorVisible;
+			moveToolToFront('protractor');			
+		}
+		draw.buttons.push(protractorButton);
+		draw.protractor = {
+			center:object.protractor.center || [600,500],
+			startCenter:object.protractor.center || [600,500],
+			radius:object.protractor.radius || 250,
+			startRadius:object.protractor.radius || 250,			
+			angle:0,
+			color:object.protractor.color || '#CCF',
+		}
+	}
+	if (typeof object.ruler == 'object') {
+		var buttonPos = object.ruler.buttonPos || [1120,620];
+		var rulerButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		var markings = boolean(object.ruler.markings,true);
+		rulerButton.type = 'ruler';
+		rulerButton.draw = function() {
+			var color = draw.buttonColor;
+			if (draw.rulerVisible == true) color = draw.buttonSelectedColor;
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',color);
+			if (draw.rulerVisible == true) {
+				roundedRect(this.ctx,7.5,22.5,40,10,3,1,'#000');
+			} else {
+				roundedRect(this.ctx,7.5,22.5,40,10,3,1,'#000','#CCF');
+				if (draw.ruler.markings == true) {
+					this.ctx.lineWidth = 1;
+					this.ctx.strokeStyle = '#000';
+					this.ctx.beginPath();
+					for (var i = 0; i < 11; i++) {
+						this.ctx.moveTo(9.5+i*(36/10),22.5);
+						this.ctx.lineTo(9.5+i*(36/10),26.5);				
+					}
+					this.ctx.stroke();
+				}
+			}			
+		}
+		rulerButton.click = function() {
+			draw.rulerVisible = !draw.rulerVisible;
+			moveToolToFront('ruler');			
+		}		
+		draw.buttons.push(rulerButton);
+		draw.ruler = {
+			left:object.ruler.left || 200,
+			startLeft:object.ruler.left || 200,
+			top:object.ruler.top || 300,
+			startTop:object.ruler.top || 300,
+			length:object.ruler.length || 800,
+			width:object.ruler.length / 8 || 100,
+			angle:0,
+			color:object.ruler.color || '#CCF',
+			transparent:boolean(object.ruler.transparent,true),
+			markings:markings
+		}
+		recalcRulerValues();
+	}
+	if (typeof object.compass == 'object') {
+		var buttonPos = object.compass.buttonPos || [1120,620];
+		var compassButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		compassButton.type = 'compass';
+		compassButton.draw = function() {
+			var color = draw.buttonColor;
+			if (draw.compassVisible == true) color = draw.buttonSelectedColor;
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',color);
+			ctx.lineWidth = 1;
+			ctx.strokeStyle = '#000';
+
+			var center1 = [13,45];
+			var center2 = [26,15];
+			var center3 = [40,45];
+			var armLength = Math.sqrt(Math.pow(0.5*(center3[0]-center1[0]),2)+Math.pow(center2[1]-center1[1],2));
+
+			var angle2 = -0.5 * Math.PI - Math.atan((center2[1]-center1[1])/(center2[0]-center1[0]));
+			var angle3 = 0.5 * Math.PI - Math.atan((center3[1]-center2[1])/(center3[0]-center2[0]));
+			
+			// draw pointy arm
+			this.ctx.translate(center2[0],center2[1]);
+			this.ctx.rotate(-angle2);
+			
+			if (draw.compassVisible) {
+				roundedRect(this.ctx,-2,0,4,armLength-5,1,1,'#000');
+			} else {
+				roundedRect(this.ctx,-2,0,4,armLength-5,1,1,'#000','#99F');		
+			}
+			this.ctx.strokeStyle = '#000';
+			this.ctx.lineWidth = 0.5;
+			this.ctx.beginPath();
+			this.ctx.moveTo(-1,armLength-5);
+			this.ctx.lineTo(0,armLength);
+			this.ctx.lineTo(1,armLength-5);
+			this.ctx.lineTo(-1,armLength-5);
+			this.ctx.stroke();
+			if (draw.compassVisible) {
+				this.ctx.fillStyle = '#333';
+				this.ctx.fill();	
+			}
+				
+			this.ctx.rotate(angle2);
+			this.ctx.translate(-center2[0],-center2[1]);
+
+			//draw pencil
+			this.ctx.beginPath();
+			this.ctx.strokeStyle = '#000';
+			this.ctx.lineWidth = 1;
+			this.ctx.moveTo(40,45);
+			this.ctx.lineTo(38,42);
+			this.ctx.lineTo(38,25);
+			this.ctx.lineTo(42,25);	
+			this.ctx.lineTo(42,42);
+			this.ctx.lineTo(40,45);
+			if (!draw.compassVisible) {
+				if (draw.color == '#000') {
+					this.ctx.fillStyle = '#FC3';
+				} else {
+					this.ctx.fillStyle = draw.color;			
+				}
+				this.ctx.fill();	
+			}
+			this.ctx.stroke();
+			this.ctx.beginPath();
+			this.ctx.moveTo(40,45);
+			this.ctx.lineTo(38,42);
+			this.ctx.lineTo(42,42);
+			this.ctx.lineTo(40,45);
+			if (!draw.compassVisible) {
+				this.ctx.fillStyle = '#FFC';
+				this.ctx.fill();	
+			}
+			this.ctx.stroke();
+			this.ctx.beginPath();
+			if (draw.color == '#000') {
+				this.ctx.fillStyle = '#FC3';
+			} else {
+				this.ctx.fillStyle = draw.color;			
+			}
+			this.ctx.moveTo(40,45);
+			this.ctx.lineTo(39.5,44.3);
+			this.ctx.lineTo(40.5,45.7);
+			this.ctx.lineTo(40,45);
+			this.ctx.fill();
+			this.ctx.stroke();
+				
+			this.ctx.strokeRect(44,15+armLength*0.5,1,5);		
+				
+			// draw pencil arm
+			this.ctx.translate(center2[0],center2[1]);
+			this.ctx.rotate(-angle3);
+			
+			var pAngle = Math.PI/14;
+			
+			this.ctx.beginPath();
+			this.ctx.moveTo(-2,0);
+			this.ctx.lineTo(2,0);
+			this.ctx.lineTo(2,armLength*0.7);
+			this.ctx.lineTo(6,armLength*0.7);
+			this.ctx.lineTo(6,armLength*0.7+4);
+			this.ctx.lineTo(-2,armLength*0.7);
+			this.ctx.lineTo(-2,0);
+			this.ctx.stroke();
+			if (!draw.compassVisible) {
+				this.ctx.fillStyle = '#99F';
+				this.ctx.fill();	
+			}
+			
+			if (!draw.compassVisible) {
+				this.ctx.fillRect(6.5,armLength*0.5-0.5,1,5);		
+			}
+				
+			this.ctx.rotate(angle3);
+			this.ctx.translate(-center2[0],-center2[1]);	
+			
+			// draw top of compass
+			this.ctx.translate(center2[0],center2[1]);
+			
+			roundedRect(this.ctx,-2.5,-3,5,7,1,1,'#000','#000');
+			roundedRect(this.ctx,-1,-6,2,3,0,1,'#000','#000');	
+			this.ctx.fillStyle = '#CCC';
+			this.ctx.beginPath();
+			this.ctx.arc(0,0,1,0,2*Math.PI);
+			this.ctx.fill();
+
+			this.ctx.translate(-center2[0],-center2[1]);			
+		}
+		compassButton.click = function() {
+			draw.compassVisible = !draw.compassVisible;
+			moveToolToFront('compass');	
+		}		
+		draw.buttons.push(compassButton);
+		draw.compassButton = compassButton;
+		//console.log(compassButton);
+		var center1 = object.compass.center1 || [500,450];
+		var radius = object.compass.radius || 150;
+		var armLength = object.compass.armLength || 250;
+		var angle = object.compass.angle || 0;
+		var h = Math.sqrt(Math.pow(armLength,2)-Math.pow(0.5*radius,2));
+		var center2 = [center1[0]+0.5*radius*Math.cos(angle)+h*Math.sin(angle),center1[1]+0.5*radius*Math.sin(angle)-h*Math.cos(angle)];
+		var center3 = [center1[0]+radius*Math.cos(angle),center1[1]+radius*Math.sin(angle)];
+
+		var angle2 = (angle%(2*Math.PI));
+		if (angle2 < 0) angle2 += 2*Math.PI;
+		if (angle2 > 0.5 * Math.PI && angle2 < 1.5 * Math.PI) {
+			var drawOn = 'left';	
+		} else {
+			var drawOn = 'right';
+		}	
+		
+		var mp1 = midpoint(center1[0],center1[1],center3[0],center3[1]);
+		var mp2 = midpoint(center2[0],center2[1],mp1[0],mp1[1]);
+
+		draw.compass = {
+			center1:center1.slice(0),
+			startCenter1:center1.slice(0),
+			center2:center2.slice(0),
+			startCenter2:center2.slice(0),
+			center3:center3.slice(0),
+			startCenter3:center3.slice(0),
+			radius:radius,
+			startRadius:radius,
+			h:h,
+			startH:h,
+			armLength:armLength,
+			radiusLocked:false,
+			angle:angle,
+			startAngle:angle,
+			drawOn:drawOn,
+			startDrawOn:drawOn,
+			lockCenter:mp2.slice(0),
+			mode:'none',
+		}
+		recalcCompassValues();
+	}
+	if (typeof object.undo == 'object') {
+		var buttonPos = object.undo.buttonPos || [1120,620];
+		var undoButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		undoButton.type = 'undo';
+		undoButton.draw = function() {
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',draw.buttonColor);
+
+			this.ctx.strokeStyle = '#000';
+			this.ctx.lineCap = 'round';
+			this.ctx.lineJoin = 'round';
+
+			this.ctx.lineWidth = 4;
+			this.ctx.beginPath();
+			this.ctx.arc(27.5,27.5,12,-Math.PI,0.7*Math.PI);
+			this.ctx.moveTo(13.5,27.5);
+			this.ctx.lineTo(13.5-10*Math.sin(1*Math.PI),27.5+10*Math.cos(1*Math.PI));
+			this.ctx.lineTo(13.5-10*Math.cos(0.95*Math.PI),27.5-10*Math.sin(0.95*Math.PI));
+			this.ctx.lineTo(13.5,27.5);		
+			this.ctx.stroke();			
+		}
+		undoButton.click = function() {
+			draw.path.pop();
+			drawCanvasPaths();				
+		}		
+		draw.buttons.push(undoButton);
+	}
+	if (typeof object.undoPen == 'object') {
+		var buttonPos = object.undoPen.buttonPos || [1120,620];
+		var undoButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		undoButton.type = 'undoPen';
+		undoButton.draw = function() {
+			var s = draw.buttonSize;
+			roundedRect(this.ctx,3,3,s-6,s-6,8,6,'#000',draw.buttonColor);
+			
+			this.ctx.strokeStyle = '#000';
+			this.ctx.lineCap = 'round';
+			this.ctx.lineJoin = 'round';
+			this.ctx.lineWidth = 4;
+			this.ctx.beginPath();
+			this.ctx.arc(s/2,s/2,12*s/55,-Math.PI,0.7*Math.PI);
+			this.ctx.moveTo(13.5*s/55,27.5*s/55);
+			this.ctx.lineTo(13.5*s/55-10*s/55*Math.sin(1*Math.PI),27.5*s/55+10*s/55*Math.cos(1*Math.PI));
+			this.ctx.lineTo(13.5*s/55-10*s/55*Math.cos(0.95*Math.PI),27.5*s/55-10*s/55*Math.sin(0.95*Math.PI));
+			this.ctx.lineTo(13.5*s/55,27.5*s/55);		
+			this.ctx.stroke();			
+		}
+		undoButton.click = function() {
+			for (var i = draw.path.length - 1; i >= 0; i--) {
+				if (typeof draw.path[i].obj == 'object') {
+					for (var j = draw.path[i].obj.length - 1; j >= 0; j--) {
+						if (draw.path[i].obj[j].type = 'pen') {
+							draw.path[i].obj.splice(j,1);
+							if (draw.path[i].obj.length == 0) draw.path.splice(i,1);
+							drawCanvasPaths();
+							return;
+						}
+					}					
+				}
+			}
+		}		
+		draw.buttons.push(undoButton);
+	}
+	if (typeof object.clear == 'object') {
+		var buttonPos = object.clear.buttonPos || [1120,620];
+		var clearButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		clearButton.type = 'clear';
+		clearButton.draw = function() {
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',draw.buttonColor);
+
+			this.ctx.strokeStyle = '#000';
+			this.ctx.lineCap = 'round';
+			this.ctx.lineJoin = 'round';
+
+			this.ctx.lineWidth = 4;
+			text({context:this.ctx,left:0,width:55,top:15,textArray:['<<font:Arial>><<fontSize:20>><<align:center>>CLR']});			
+		}
+		clearButton.click = function() {
+			clearDrawPaths();
+			resetDrawTools();			
+		}			
+		draw.buttons.push(clearButton);
+	}
+	if (typeof object.clearPen == 'object') {
+		var buttonPos = object.clearPen.buttonPos || [1120,620];
+		var clearButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		clearButton.type = 'clearPen';
+		clearButton.draw = function() {
+			var s = draw.buttonSize;
+			roundedRect(this.ctx,3,3,s-6,s-6,8,6,'#000',draw.buttonColor);
+			text({context:this.ctx,left:0,width:s,top:15*s/55,textArray:['<<font:Arial>><<fontSize:'+20*s/55+'>><<align:center>>CLR']});			
+		}
+		clearButton.click = function() {
+			for (var i = draw.path.length - 1; i >= 0; i--) {
+				if (draw.path[i].obj.length == 1 && draw.path[i].obj[0].type == 'pen') {
+					removePathObject(i);
+				}
+			}
+			drawCanvasPaths();			
+		}			
+		draw.buttons.push(clearButton);
+	}	
+	if (typeof object.compassHelp == 'object') {
+		var compassHelpImage = new Image();
+		compassHelpImage.src = '/i/images/compassInstructions.PNG';
+		var buttonPos = object.compassHelp.buttonPos || [1120,620];
+		var compassHelpButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		compassHelpButton.type = 'compassHelp';
+		compassHelpButton.draw = function() {
+			var color = draw.buttonColor;
+			if (draw.compassHelpVisible == true) color = draw.buttonSelectedColor;
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',color);
+			this.ctx.strokeStyle = '#000';
+			this.ctx.fillStyle = '#666';
+			this.ctx.font = '42px Arial';
+			this.ctx.textAlign = 'center';
+			this.ctx.textBaseline = 'middle';
+			this.ctx.fillText('?',27.5,27.5);
+			this.ctx.strokeText('?',27.5,27.5);			
+		}
+		compassHelpButton.click = function() {
+			draw.compassHelpVisible = !draw.compassHelpVisible;
+			if (draw.compassHelpVisible) {
+				showObj(draw.compassHelpBox,draw.compassHelpBox.data);			
+			} else {
+				hideObj(draw.compassHelpBox,draw.compassHelpBox.data);			
+			}			
+		}			
+		compassHelpButton.isStaticMenuCanvas = true;		
+		draw.buttons.push(compassHelpButton);
+		var helpBoxPos = object.compassHelp.helpBoxPos || [600,110];
+		var compassHelpBox = createCanvas(helpBoxPos[0],helpBoxPos[1],500,420,false,false,true,draw.drawButtonZIndex);		
+		compassHelpBox.isStaticMenuCanvas = true;
+		roundedRect(compassHelpBox.getContext('2d'),5,5,490,410,15,4,'#000','#FFC');
+		compassHelpImage.onload = function() {
+			compassHelpBox.getContext('2d').drawImage(compassHelpImage,15,15,compassHelpImage.naturalWidth*0.93,compassHelpImage.naturalHeight*0.93);
+		}
+		addListener(compassHelpBox,function() {
+			draw.compassHelpVisible = false;
+			hideObj(draw.compassHelpBox,draw.compassHelpBox.data);
+			redrawButtons();			
+		});
+		draw.compassHelpBox = compassHelpBox;
+	}
+	if (typeof object.pen == 'object') {
+		var buttonPos = object.pen.buttonPos || [1120,620];
+		var penButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		penButton.type = 'pen';
+		penButton.draw = function() {
+			if (draw.drawMode !== 'pen') {
+				var color = draw.buttonColor;
+				this.style.cursor = draw.cursors.pointer;
+			} else {
+				var color = draw.buttonSelectedColor;
+				this.style.cursor = draw.cursors.pen;
+			}
+			
+			var s = draw.buttonSize;
+			roundedRect(this.ctx,3,3,s-6,s-6,8,6,'#000',draw.buttonColor);
+
+			this.ctx.fillStyle = draw.color;
+			this.ctx.lineCap = 'round';
+			this.ctx.lineJoin = 'round';	
+
+			this.ctx.translate(s/2,s/2);
+			this.ctx.rotate(Math.PI/4);
+				this.ctx.fillRect(-5,-11,10,20);
+				this.ctx.fillRect(-5,-18,10,5);
+				this.ctx.beginPath();
+				this.ctx.moveTo(-5,11);
+				this.ctx.lineTo(0,18);
+				this.ctx.lineTo(5,11);
+				this.ctx.lineTo(-5,11);
+				this.ctx.fill();		
+			this.ctx.rotate(-Math.PI/4);
+			this.ctx.translate(-s/2,-s/2);				
+		}
+		penButton.click = function() {
+			changeDrawMode('pen');			
+		}		
+		draw.buttons.push(penButton);
+	}
+	if (typeof object.line == 'object') {
+		var buttonPos = object.line.buttonPos || [1120,620];
+		var lineButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		lineButton.type = 'line';
+		lineButton.draw = function() {
+			if (draw.drawMode !== 'line') {
+				var color = draw.buttonColor;
+				this.style.cursor = draw.cursors.pointer;
+			} else {
+				var color = draw.buttonSelectedColor;
+				this.style.cursor = 'url('+draw.lineCursor+') '+draw.lineCursorHotspot[0]+' '+draw.lineCursorHotspot[1]+', auto';
+			}
+			
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',color);
+			
+			this.ctx.strokeStyle = draw.color;
+			this.ctx.lineCap = 'round';
+			this.ctx.lineJoin = 'round';
+
+			this.ctx.lineWidth = draw.thickness + 1;
+			this.ctx.beginPath();
+			this.ctx.arc(12,20,2,0,2*Math.PI);
+			this.ctx.stroke();	
+			this.ctx.lineWidth = draw.thickness;;
+			this.ctx.beginPath();
+			this.ctx.moveTo(12,20);
+			this.ctx.lineTo(43,35);
+			this.ctx.stroke();	
+			this.ctx.lineWidth = draw.thickness + 1;
+			this.ctx.beginPath();	
+			this.ctx.arc(43,35,2,0,2*Math.PI);
+			this.ctx.stroke();			
+		}
+		lineButton.click = function() {
+			changeDrawMode('line');			
+		}		
+		draw.buttons.push(lineButton);
+	}
+	if (typeof object.curve == 'object') {
+		var buttonPos = object.curve.buttonPos || [1120,620];
+		var curveButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		curveButton.type = 'curve';
+		curveButton.draw = function() {
+			var color = draw.buttonColor;
+			this.style.cursor = draw.cursors.pointer;
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',color);
+			this.ctx.strokeStyle = draw.color;
+			this.ctx.lineCap = 'round';
+			this.ctx.lineJoin = 'round';
+
+			this.ctx.lineWidth = draw.thickness + 1;
+			this.ctx.beginPath();
+			this.ctx.moveTo(10,20);
+			this.ctx.quadraticCurveTo(27.5,55,45,20);
+			this.ctx.stroke();				
+		}
+		curveButton.click = function() {
+			draw.curve.add();
+		}		
+		draw.buttons.push(curveButton);
+	}
+	if (typeof object.curve2 == 'object') {
+		var buttonPos = object.curve2.buttonPos || [1120,620];
+		var curveButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		curveButton.type = 'curve2';
+		curveButton.draw = function() {
+			var color = draw.buttonColor;
+			this.style.cursor = draw.cursors.pointer;
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',color);
+			this.ctx.strokeStyle = draw.color;
+			this.ctx.lineCap = 'round';
+			this.ctx.lineJoin = 'round';
+
+			this.ctx.lineWidth = draw.thickness + 1;
+			this.ctx.beginPath();
+			this.ctx.moveTo(8,20);
+			this.ctx.bezierCurveTo(21,55,43,55,47,20);
+			this.ctx.stroke();				
+		}
+		curveButton.click = function() {
+			draw.curve2.add();
+		}		
+		draw.buttons.push(curveButton);
+	}	
+	if (typeof object.angle == 'object') {
+		var buttonPos = object.angle.buttonPos || [1120,620];
+		var angleButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		angleButton.type = 'angle';
+		angleButton.draw = function() {
+			var color = draw.buttonColor;
+			this.style.cursor = draw.cursors.pointer;
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',color);
+			this.ctx.strokeStyle = draw.color;
+			this.ctx.lineCap = 'round';
+			this.ctx.lineJoin = 'round';
+			drawAngle({ctx:this.ctx,a:[30,11.2],b:[10,40],c:[45,40],fill:false,radius:35,drawLines:true,lineWidth:2});	
+		}
+		angleButton.click = function() {
+			draw.angle.add();
+		}		
+		draw.buttons.push(angleButton);
+	}
+	if (typeof object.angle2 == 'object') {
+		var buttonPos = object.angle2.buttonPos || [1120,620];
+		var angleButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		angleButton.type = 'angle';
+		angleButton.draw = function() {
+			var color = draw.buttonColor;
+			this.style.cursor = draw.cursors.pointer;
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',color);
+			this.ctx.strokeStyle = draw.color;
+			this.ctx.lineCap = 'round';
+			this.ctx.lineJoin = 'round';
+			drawAngle({ctx:this.ctx,a:[30,15],b:[10,40],c:[45,40],fill:true,radius:20,drawLines:true,lineWidth:2});	
+		}
+		angleButton.click = function() {
+			draw.angle.add2();
+		}		
+		draw.buttons.push(angleButton);
+	}
+	if (typeof object.anglesAroundPoint == 'object') {
+		var buttonPos = object.anglesAroundPoint.buttonPos || [1120,620];
+		var anglesAroundPointButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		anglesAroundPointButton.type = 'anglesAroundPoint';
+		anglesAroundPointButton.draw = function() {
+			var color = draw.buttonColor;
+			this.style.cursor = draw.cursors.pointer;
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',color);
+			this.ctx.strokeStyle = draw.color;
+			this.ctx.lineCap = 'round';
+			this.ctx.lineJoin = 'round';
+			drawAnglesAroundPoint({
+				ctx:this.ctx,
+				center:[27.5,35],
+				points:[[10,35],[33,18],[45,35]],
+				lineColor:'#000',
+				thickness:2,
+				angles:[
+					{fill:true,fillColor:"#CFC",lineWidth:2,labelFontSize:25,labelMeasure:false,labelRadius:33,radius:10},
+					{fill:true,fillColor:"#FCC",lineWidth:2,labelFontSize:25,labelMeasure:false,labelRadius:33,radius:10}
+				]
+			})
+		};	
+		anglesAroundPointButton.click = function() {
+			draw.anglesAroundPoint.add();
+		}		
+		draw.buttons.push(anglesAroundPointButton);
+	}	
+	if (typeof object.lineEnds == 'object') {
+		var buttonPos = object.lineEnds.buttonPos || [1120,620];
+		var lineEndsButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		lineEndsButton.type = 'lineEnds';
+		lineEndsButton.draw = function() {
+			if (draw.drawMode !== 'lineEnds') {
+				var color = draw.buttonColor;
+				this.style.cursor = draw.cursors.pointer;
+			} else {
+				var color = draw.buttonSelectedColor;
+				this.style.cursor = 'url('+draw.lineCursor+') '+draw.lineCursorHotspot[0]+' '+draw.lineCursorHotspot[1]+', auto';
+			}
+			
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',color);
+			this.ctx.lineCap = 'round';
+			this.ctx.lineJoin = 'round';	
+			drawArrow({context:this.ctx,startX:10,startY:27.5,finX:45,finY:27.5,arrowLength:12,color:'#000',lineWidth:2,arrowLineWidth:3});			
+		}
+		lineEndsButton.click = function() {
+			draw.lineEndsVisible = !draw.lineEndsVisible;
+			if (draw.lineEndsVisible == true) {
+				for (var i = 0; i < draw.lineEndStartButtons.length; i++) {
+					showObj(draw.lineEndStartButtons[i],draw.lineEndStartButtons[i].data)
+				}
+				for (var i = 0; i < draw.lineEndMidButtons.length; i++) {
+					showObj(draw.lineEndMidButtons[i],draw.lineEndMidButtons[i].data)
+				}
+				for (var i = 0; i < draw.lineEndFinButtons.length; i++) {
+					showObj(draw.lineEndFinButtons[i],draw.lineEndFinButtons[i].data)
+				}
+				for (var i = 0; i < draw.lineEndSizeButtons.length; i++) {
+					showObj(draw.lineEndSizeButtons[i],draw.lineEndSizeButtons[i].data)
+				}				
+				for (var i = 0; i < container.childNodes.length; i++) {
+					if (draw.lineEndStartButtons.indexOf(container.childNodes[i]) == -1 && draw.lineEndMidButtons.indexOf(container.childNodes[i]) == -1 && draw.lineEndFinButtons.indexOf(container.childNodes[i]) == -1 && draw.lineEndSizeButtons.indexOf(container.childNodes[i]) == -1) {
+						addListenerStart(container.childNodes[i],lineEndsClose);
+					}
+				}				
+			} else {
+				for (var i = 0; i < draw.lineEndStartButtons.length; i++) {
+					hideObj(draw.lineEndStartButtons[i],draw.lineEndStartButtons[i].data)
+				}
+				for (var i = 0; i < draw.lineEndMidButtons.length; i++) {
+					hideObj(draw.lineEndMidButtons[i],draw.lineEndMidButtons[i].data)
+				}
+				for (var i = 0; i < draw.lineEndFinButtons.length; i++) {
+					hideObj(draw.lineEndFinButtons[i],draw.lineEndFinButtons[i].data)
+				}
+				for (var i = 0; i < draw.lineEndSizeButtons.length; i++) {
+					hideObj(draw.lineEndSizeButtons[i],draw.lineEndSizeButtons[i].data)
+				}				
+				for (var i = 0; i < container.childNodes.length; i++) {
+					if (draw.lineEndStartButtons.indexOf(container.childNodes[i]) == -1 && draw.lineEndMidButtons.indexOf(container.childNodes[i]) == -1 && draw.lineEndFinButtons.indexOf(container.childNodes[i]) == -1 && draw.lineEndSizeButtons.indexOf(container.childNodes[i]) == -1) {
+						removeListenerStart(container.childNodes[i],lineEndsClose);
+					}
+				}								
+			}			
+		}			
+		draw.buttons.push(lineEndsButton);
+		var left = buttonPos[0];
+		var top = buttonPos[1]+53;		
+		var lineEndsBackButton = createCanvas(left,top,120,220,false,false,false,draw.drawButtonZIndex);
+		lineEndsBackButton.isStaticMenuCanvas = true;		
+		roundedRect(lineEndsBackButton.getContext('2d'),3,3,114,214,8,6,'#000',draw.buttonColor);
+		draw.lineEndsBackButton = lineEndsBackButton;
+		
+		var lineEndStarts = ['none','open','closed'];
+		var lineEndMids = ['none','dash','dash2','open','open2'];
+		var lineEndFins = ['none','open','closed'];
+		
+		for (var i = 0; i < lineEndStarts.length; i++) {
+			var left2 = left;
+			var top2 = top + 48 * i;	
+			var lineEndsButton = createCanvas(left2,top2,50,50,false,false,true,draw.drawButtonZIndex);
+			lineEndsButton.isStaticMenuCanvas = true;		
+			lineEndsButton.styling = lineEndStarts[i];
+			lineEndsButton.draw = function() {
+				var ctx = this.ctx;
+				roundedRect(ctx,2,2,46,46,4,2,'#000','#CFF');
+				ctx.lineWidth = 2;
+				ctx.strokeStyle = '#000';
+				ctx.lineCap = 'round';
+				ctx.lineJoin = 'round';
+				ctx.beginPath();
+				ctx.moveTo(20,25);
+				ctx.lineTo(50,25);
+				ctx.stroke();
+				switch (this.styling) {
+					case 'open':
+						drawArrow({context:ctx,startX:50,startY:25,finX:20,finY:25,arrowLength:draw.lineEndsSize,color:'#000',lineWidth:2,arrowLineWidth:3});
+						break;
+					case 'closed':
+						drawArrow({context:ctx,startX:50,startY:25,finX:20,finY:25,arrowLength:draw.lineEndsSize,color:'#000',lineWidth:2,arrowLineWidth:3,fillArrow:true});
+						break;					
+				}
+			}
+			lineEndsButton.draw();
+
+			addListener(lineEndsButton,function() {
+				for (var i = 0; i < draw.path.length; i++) {
+					if (draw.path[i].selected == true) {
+						for (var j = 0; j < draw.path[i].obj.length; j++) {
+							if (['line','curve'].indexOf(draw.path[i].obj[j].type) > -1) {
+								draw.path[i].obj[j].endStart = this.styling;
+								draw.path[i].obj[j].endStartSize = draw.lineEndsSize;								
+							}
+						}
+					}
+				}
+				drawCanvasPaths();			
+			})
+			draw.lineEndStartButtons.push(lineEndsButton);
+		}
+		
+		for (var i = 0; i < lineEndMids.length; i++) {
+			var left2 = left + 48;
+			var top2 = top + 48 * i;	
+			var lineEndsButton = createCanvas(left2,top2,50,50,false,false,true,draw.drawButtonZIndex);
+			lineEndsButton.isStaticMenuCanvas = true;	
+			lineEndsButton.styling = lineEndMids[i];
+			lineEndsButton.draw = function() {
+				var ctx = this.ctx;			
+				roundedRect(ctx,2,2,46,46,4,2,'#000','#CFF');
+				ctx.lineWidth = 2;
+				ctx.strokeStyle = '#000';
+				ctx.lineCap = 'round';
+				ctx.lineJoin = 'round';
+				ctx.beginPath();
+				ctx.moveTo(10,25);
+				ctx.lineTo(40,25);
+				ctx.stroke();
+				switch (this.styling) {
+					case 'dash':
+						drawDash(ctx,10,25,40,25,8);
+						break;
+					case 'dash2':
+						drawDoubleDash(ctx,10,25,40,25,8);
+						break;
+					case 'open':
+						drawParallelArrow({context:ctx,startX:10,startY:25,finX:40,finY:25,arrowLength:draw.lineEndsSize,lineWidth:3});
+						break;
+					case 'open2':
+						drawParallelArrow({context:ctx,startX:10,startY:25,finX:40,finY:25,arrowLength:draw.lineEndsSize,lineWidth:3,numOfArrows:2});
+						break;
+				}
+			}
+			lineEndsButton.draw();
+
+			addListener(lineEndsButton,function() {
+				for (var i = 0; i < draw.path.length; i++) {
+					if (draw.path[i].selected == true) {
+						for (var j = 0; j < draw.path[i].obj.length; j++) {
+							if (['line','curve'].indexOf(draw.path[i].obj[j].type) > -1) {
+								draw.path[i].obj[j].endMid = this.styling;
+								draw.path[i].obj[j].endMidSize = draw.lineEndsSize;
+							}
+						}
+					}
+				}
+				drawCanvasPaths();			
+			})
+			draw.lineEndMidButtons.push(lineEndsButton);
+		}		
+		
+		for (var i = 0; i < lineEndFins.length; i++) {
+			var left2 = left + 2 * 48;
+			var top2 = top + 48 * i;
+			var lineEndsButton = createCanvas(left2,top2,50,50,false,false,true,draw.drawButtonZIndex);
+			lineEndsButton.isStaticMenuCanvas = true;	
+			lineEndsButton.styling = lineEndFins[i];
+			lineEndsButton.draw = function() {
+				var ctx = this.ctx;						
+				roundedRect(ctx,2,2,46,46,4,2,'#000','#CFF');
+				ctx.lineWidth = 2;
+				ctx.strokeStyle = '#000';
+				ctx.lineCap = 'round';
+				ctx.lineJoin = 'round';
+				ctx.beginPath();
+				ctx.moveTo(0,25);
+				ctx.lineTo(30,25);
+				ctx.stroke();
+				switch (this.styling) {
+					case 'open':
+						drawArrow({context:ctx,startX:0,startY:25,finX:30,finY:25,arrowLength:draw.lineEndsSize,color:'#000',lineWidth:2,arrowLineWidth:3});
+						break;
+					case 'closed':
+						drawArrow({context:ctx,startX:0,startY:25,finX:30,finY:25,arrowLength:draw.lineEndsSize,color:'#000',lineWidth:2,arrowLineWidth:3,fillArrow:true});
+						break;					
+				}
+			}
+			lineEndsButton.draw();
+				
+			addListener(lineEndsButton,function() {
+				for (var i = 0; i < draw.path.length; i++) {
+					if (draw.path[i].selected == true) {
+						for (var j = 0; j < draw.path[i].obj.length; j++) {
+							if (['line','curve'].indexOf(draw.path[i].obj[j].type) > -1) {
+								draw.path[i].obj[j].endFin = this.styling;
+								draw.path[i].obj[j].endFinSize = draw.lineEndsSize;
+							}
+						}
+					}
+				}
+				drawCanvasPaths();
+			})			
+			draw.lineEndFinButtons.push(lineEndsButton);
+		}
+		
+		for (var i = 0; i < 2; i++) {
+			var left2 = left + 25 + 48*i;
+			var top2 = top + 48*5;
+			var lineEndsButton = createCanvas(left2,top2,50,50,false,false,true,draw.drawButtonZIndex);
+			lineEndsButton.isStaticMenuCanvas = true;	
+			if (i == 0) {
+				lineEndsButton.inc = -1;
+			} else {
+				lineEndsButton.inc = 1;				
+			}
+			lineEndsButton.draw = function() {
+				var ctx = this.ctx;						
+				roundedRect(ctx,2,2,46,46,4,2,'#000','#CFF');
+				if (this.inc == -1) {
+					text({context:ctx,textArray:['<<fontSize:28>>-'],left:0,top:0,width:50,height:50,vertAlign:'middle',textAlign:'center'});
+				} else {
+					text({context:ctx,textArray:['<<fontSize:28>>+'],left:0,top:0,width:50,height:50,vertAlign:'middle',textAlign:'center'});			
+				}
+			}
+			lineEndsButton.draw();
+				
+			addListener(lineEndsButton,function() {
+				if (this.inc == -1) {
+					draw.lineEndsSize--;
+				} else {
+					draw.lineEndsSize++;
+				}
+				for (var i = 0; i < draw.path.length; i++) {
+					if (draw.path[i].selected == true) {
+						for (var j = 0; j < draw.path[i].obj.length; j++) {
+							if (['line','curve'].indexOf(draw.path[i].obj[j].type) > -1) {
+								draw.path[i].obj[j].endStartSize = draw.lineEndsSize;
+								draw.path[i].obj[j].endMidSize = draw.lineEndsSize;
+								draw.path[i].obj[j].endFinSize = draw.lineEndsSize;
+							}
+						}
+					}
+				}
+				for (var i = 0; i < draw.lineEndStartButtons.length; i++) {
+					draw.lineEndStartButtons[i].draw();
+				}				
+				for (var i = 0; i < draw.lineEndMidButtons.length; i++) {
+					draw.lineEndMidButtons[i].draw();
+				}
+				for (var i = 0; i < draw.lineEndFinButtons.length; i++) {
+					draw.lineEndFinButtons[i].draw();
+				}				
+				drawCanvasPaths();
+				
+			})			
+			draw.lineEndSizeButtons.push(lineEndsButton);
+		}		
+	}
+	if (typeof object.table == 'object') {
+		var buttonPos = object.table.buttonPos || [1120,620];
+		var tableButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		tableButton.type = 'table';
+		var dir = object.table.dir || 'below';
+		tableButton.menuDir = dir;
+		tableButton.draw = function() {
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',draw.buttonColor);
+			this.ctx.strokeStyle = '#666';
+			this.ctx.lineWidth = 1;
+			this.ctx.fillStyle = '#FFF';
+			this.ctx.fillRect(10,11,35,33);
+			this.ctx.fillStyle = '#CCC';
+			this.ctx.fillRect(10,11,35,33/4);
+			for (var i = 0; i < 5; i++) {
+				this.ctx.moveTo(10,11+i*33/4);
+				this.ctx.lineTo(45,11+i*33/4);
+			}
+			for (var i = 0; i < 4; i++) {
+				this.ctx.moveTo(10+i*35/3,11);
+				this.ctx.lineTo(10+i*35/3,44);
+			}
+			this.ctx.stroke();
+			this.ctx.lineWidth = 1;
+			this.ctx.strokeStyle = '#000';
+			this.ctx.strokeRect(10,11,35,33);			
+		}
+		tableButton.click = function() {
+			draw.tableSizeVisible = !draw.tableSizeVisible;
+			if (draw.tableSizeVisible == true) {
+				changeDrawMode('table');
+				showObj(draw.tableSizeCanvas,draw.tableSizeCanvas.data);
+			} else {
+				changeDrawMode();
+				hideObj(draw.tableSizeCanvas,draw.tableSizeCanvas.data);
+			}
+			draw.tableSize.rows = 0;
+			if (draw.tableSizeCanvasDir == 'above') draw.tableSize.rows = 9;
+			draw.tableSize.cols = 0;
+			draw.tableSizeCanvas.draw();			
+		}		
+		draw.buttons.push(tableButton);
+
+		var rows = object.table.rows || 10;
+		var cols = object.table.cols || 10;
+
+		if (dir == 'below') {
+			var left = buttonPos[0];
+			var top = buttonPos[1]+53;
+		} else if (dir == 'above') {
+			var left = buttonPos[0];
+			var top = buttonPos[1]-(rows*25+40);
+		}
+		var tableSizeCanvas = createCanvas(left,top,cols*25+20,rows*25+40,false,false,true,draw.drawButtonZIndex);
+		tableSizeCanvas.isStaticMenuCanvas = true;
+		draw.tableSizeCanvas = tableSizeCanvas;
+		draw.tableSizeCanvas.rows = rows;
+		draw.tableSizeCanvas.cols = cols;
+		draw.tableSizeCanvasDir = dir;
+		draw.tableSize = {rows:9,cols:-1,maxRows:rows-1,maxCols:cols-1};
+		
+		tableSizeCanvas.draw = function() {
+			var ctx = this.ctx;
+			roundedRect(ctx,3,3,this.data[102]-6,this.data[103]-6,8,6,'#000',draw.buttonColor);
+			for (var i = 0; i < this.rows; i++) {
+				for (var j = 0; j < this.cols; j++) {
+					if (draw.tableSizeCanvasDir == 'below') {
+						if (draw.tableSize.rows >= i && draw.tableSize.cols >= j) {
+							roundedRect(ctx,10+25*j,30+25*i,25,25,0,0.01,'#F6F','#F6F');
+						} else {
+							roundedRect(ctx,10+25*j,30+25*i,25,25,0,0.01,'#FFC','#FFC');
+						}
+					} else if (draw.tableSizeCanvasDir == 'above') {
+						if (draw.tableSize.rows <= i && draw.tableSize.cols >= j) {
+							roundedRect(ctx,10+25*j,30+25*i,25,25,0,0.01,'#F6F','#F6F');
+						} else {
+							roundedRect(ctx,10+25*j,30+25*i,25,25,0,0.01,'#FFC','#FFC');
+						}						
+					}
+				}
+			}
+			ctx.strokeStyle = '#000';
+			ctx.lineWidth = 3;
+			ctx.beginPath();
+			for (var i = 0; i < rows + 2; i++) {
+				ctx.moveTo(10,30+25*i);
+				ctx.lineTo(10+cols*25,30+25*i);
+			}
+			for (var i = 0; i < cols + 2; i++) {
+				ctx.moveTo(10+25*i,30);
+				ctx.lineTo(10+25*i,30+rows*25);
+			}
+			ctx.stroke();
+			if (draw.tableSizeCanvasDir == 'below') {
+				text({context:ctx,textArray:['<<fontSize:14>>'+(draw.tableSize.rows+1)+' x '+(draw.tableSize.cols+1)],left:12,top:5,width:200});
+			} else if (draw.tableSizeCanvasDir == 'above') {
+				text({context:ctx,textArray:['<<fontSize:14>>'+(10-draw.tableSize.rows)+' x '+(draw.tableSize.cols+1)],left:12,top:5,width:200});
+			}
+		}
+		tableSizeCanvas.draw();
+		
+		addListenerMove(tableSizeCanvas,function(e) {
+			updateMouse(e);
+			var col = Math.min(draw.tableSize.maxCols,Math.max(0,Math.floor((mouse.x - e.target.data[100] - 10) / 25))); 
+			var row = Math.min(draw.tableSize.maxRows,Math.max(0,Math.floor((mouse.y - e.target.data[101] - 30) / 25)));		
+			if (row !== draw.tableSize.rows || col !== draw.tableSize.cols) {
+				draw.tableSize.rows = row;
+				draw.tableSize.cols = col;
+				e.target.draw();
+			}
+		});
+		
+		addListener(tableSizeCanvas,function(e) {
+			var rows = draw.tableSize.rows+1;
+			if (draw.tableSizeCanvasDir == 'above') rows = 10 - draw.tableSize.rows;
+			draw.table2.add(rows,draw.tableSize.cols+1);
+		});
+	}
+	if (typeof object.distHoriz == 'object') {
+		var buttonPos = object.distHoriz.buttonPos || [1120,620];
+		var distHorizButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		distHorizButton.type = 'distHoriz';
+		distHorizButton.draw = function() {
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',draw.buttonColor);
+			drawArrow({ctx:this.ctx,startX:10,startY:27.5,finX:27.5,finY:27.5,doubleEnded:true,arrowLength:5,fillArrow:true,color:'#393',lineWidth:1});
+			drawArrow({ctx:this.ctx,startX:27.5,startY:27.5,finX:45,finY:27.5,doubleEnded:true,arrowLength:5,fillArrow:true,color:'#393',lineWidth:1});
+			this.ctx.strokeStyle = '#000';
+			this.ctx.lineWidth = 2;
+			this.ctx.beginPath();
+			this.ctx.moveTo(10,15);
+			this.ctx.lineTo(10,40);
+			this.ctx.moveTo(27.5,15);
+			this.ctx.lineTo(27.5,40);
+			this.ctx.moveTo(45,15);
+			this.ctx.lineTo(45,40);
+			this.ctx.stroke();			
+		}
+		distHorizButton.click = function() {
+			distributeHoriz();
+		}			
+		draw.buttons.push(distHorizButton);
+	}
+	if (typeof object.distVert == 'object') {
+		var buttonPos = object.distVert.buttonPos || [1120,620];
+		var distVertButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		distVertButton.type = 'distVert';
+		distVertButton.draw = function() {
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',draw.buttonColor);
+			drawArrow({ctx:this.ctx,startY:10,startX:27.5,finY:27.5,finX:27.5,doubleEnded:true,arrowLength:5,fillArrow:true,color:'#393',lineWidth:1});
+			drawArrow({ctx:this.ctx,startY:27.5,startX:27.5,finY:45,finX:27.5,doubleEnded:true,arrowLength:5,fillArrow:true,color:'#393',lineWidth:1});
+			this.ctx.strokeStyle = '#000';
+			this.ctx.lineWidth = 2;
+			this.ctx.beginPath();
+			this.ctx.moveTo(15,10);
+			this.ctx.lineTo(40,10);
+			this.ctx.moveTo(15,27.5);
+			this.ctx.lineTo(40,27.5);
+			this.ctx.moveTo(15,45);
+			this.ctx.lineTo(40,45);
+			this.ctx.stroke();			
+		}
+		distVertButton.click = function() {
+			distributeVert();
+		}				
+		draw.buttons.push(distVertButton);
+	}
+	if (typeof object.tableRowColChange == 'object') {
+		var buttonPos = object.tableRowColChange.buttonPos || [1120,620];
+		var tableButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		tableButton.type = 'tableRowColChange';
+		tableButton.draw = function() {
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',draw.buttonColor);
+			this.ctx.strokeStyle = '#666';
+			this.ctx.lineWidth = 1;
+			this.ctx.fillStyle = '#FFF';
+			this.ctx.fillRect(10,11,35,33);
+			this.ctx.fillStyle = '#333';
+			this.ctx.fillRect(10,11+2*33/4,35,33/4);
+			for (var i = 0; i < 5; i++) {
+				this.ctx.moveTo(10,11+i*33/4);
+				this.ctx.lineTo(45,11+i*33/4);
+			}
+			for (var i = 0; i < 4; i++) {
+				this.ctx.moveTo(10+i*35/3,11);
+				this.ctx.lineTo(10+i*35/3,44);
+			}
+			this.ctx.stroke();
+			this.ctx.lineWidth = 1;
+			this.ctx.strokeStyle = '#000';
+			this.ctx.strokeRect(10,11,35,33);				
+		}
+		tableButton.click = function() {
+			draw.tableChangeVisible = !draw.tableChangeVisible;
+			if (draw.tableChangeVisible == true) {
+				tableMenuClose();
+				changeDrawMode('tableChange');
+				draw.tableRowColCanvas.style.zIndex = Number(this.style.zIndex)+1;
+				showObj(draw.tableRowColCanvas,draw.tableRowColCanvas.data);
+			} else {
+				changeDrawMode();
+				hideObj(draw.tableRowColCanvas,draw.tableRowColCanvas.data);
+			}
+			draw.tableRowColCanvas.selected = -1;
+			draw.tableRowColCanvas.draw();			
+		}		
+		draw.buttons.push(tableButton);
+
+		var left = buttonPos[0];
+		var top = buttonPos[1]+53;		
+		var tableRowColCanvas = createCanvas(left,top,200,260,false,false,true,zIndex+100);
+		tableRowColCanvas.isStaticMenuCanvas = true;	
+		tableRowColCanvas.selected = -1;
+		draw.tableRowColCanvas = tableRowColCanvas;
+		draw.tableChangeVisible = false;
+		
+		tableRowColCanvas.draw = function() {
+			var ctx = this.ctx;
+			roundedRect(ctx,3,3,this.data[102]-6,this.data[103]-6,8,6,'#000',draw.buttonColor);
+			
+			for (var i = 0; i < 6; i++) {
+				if (draw.tableRowColCanvas.selected == i) {
+					roundedRect(ctx,10,10+40*i,180,40,0,0.01,'#F6F','#F6F');
+				} else {
+					roundedRect(ctx,10,10+40*i,180,40,0,0.01,'#FFC','#FFC');						
+				}
+			}
+			
+			ctx.strokeStyle = '#000';
+			ctx.lineWidth = 2;
+			ctx.beginPath();
+			for (var i = 0; i < 7; i++) {
+				ctx.moveTo(10,10+40*i);
+				ctx.lineTo(190,10+40*i);
+			}
+			ctx.moveTo(10,10);
+			ctx.lineTo(10,250);
+			ctx.moveTo(190,10);
+			ctx.lineTo(190,250);
+			ctx.stroke();
+			text({context:ctx,textArray:['<<fontSize:20>>Add rows above'],left:10,top:10,width:180,height:40,vertAlign:'middle',textAlign:'center'});
+			text({context:ctx,textArray:['<<fontSize:20>>Add rows below'],left:10,top:50,width:180,height:40,vertAlign:'middle',textAlign:'center'});
+			text({context:ctx,textArray:['<<fontSize:20>>Delete rows'],left:10,top:90,width:180,height:40,vertAlign:'middle',textAlign:'center'});
+			text({context:ctx,textArray:['<<fontSize:20>>Add columns left'],left:10,top:130,width:180,height:40,vertAlign:'middle',textAlign:'center'});
+			text({context:ctx,textArray:['<<fontSize:20>>Add columns right'],left:10,top:170,width:180,height:40,vertAlign:'middle',textAlign:'center'});
+			text({context:ctx,textArray:['<<fontSize:20>>Delete columns'],left:10,top:210,width:180,height:40,vertAlign:'middle',textAlign:'center'});
+		}
+		tableRowColCanvas.draw();
+	
+		addListenerMove(tableRowColCanvas,function(e) {
+			updateMouse(e);
+			var sel = Math.floor((mouse.y - e.target.data[101] - 10) / 40);		
+			if (mouse.x - e.target.data[100] < 10 || mouse.x - e.target.data[100] > 190) sel = -1;
+			if (sel < 0 || sel > 5) sel = -1;
+			if (sel !== draw.tableRowColCanvas.selected) {
+				draw.tableRowColCanvas.selected = sel;
+				e.target.draw();
+			}
+		});
+		
+		addListener(tableRowColCanvas,function(e) {
+			if (draw.tableRowColCanvas.selected < 0 || draw.tableRowColCanvas.selected > 5) return;
+			for (var i = 0; i < draw.path.length; i++) {
+				if (draw.path[i].selected == true) {
+					for (var j = 0; j < draw.path[i].obj.length; j++) {
+						var type = draw.path[i].obj[j].type;
+						if (type == 'table' || type == 'table2') {
+							var obj = draw.path[i].obj[j];
+							var cells = obj.cells;
+							var selRows = [];
+							var selCols = [];
+							var rowHeights = [];
+							var colWidths = [];
+							for (var r = 0; r < cells.length; r++) {
+								for (var c = 0; c < cells[r].length; c++) {
+									if (cells[r][c].selected == true) {
+										if (selRows.indexOf(r) == -1) {
+											selRows.push(r);
+											if (type == 'table') {
+												rowHeights.push(cells[r][c].height);
+											} else if (type == 'table2') {
+												rowHeights.push(obj.heights[r]);
+											}
+										}
+										if (selCols.indexOf(c) == -1) {
+											selCols.push(c);
+											if (type == 'table') {
+												colWidths.push(cells[r][c].width);
+											} else if (type == 'table2') {
+												colWidths.push(obj.widths[c]);
+											}
+										}
+									}
+								}
+							}
+							if (selRows.length == 0 || selCols.length == 0) continue;
+							switch (draw.tableRowColCanvas.selected) {
+								case 0: // add rows above
+								case 1: // add rows below
+									var newRows = [];
+									var newHeights = [];
+									for (var r = 0; r < selRows.length; r++) {
+										var row = clone(cells[selRows[r]]);
+										for (var c = 0; c < row.length; c++) {
+											var tags = textArrayGetStartTags(row[c].text);
+											row[c].text = [tags];
+										}
+										newRows.push(row);
+										newHeights.push(obj.heights[selRows[r]]);
+									}
+									if (draw.tableRowColCanvas.selected == 0) {
+										var newCel = obj.cells.slice(0,selRows[0]).concat(newRows).concat(obj.cells.slice(selRows[0]));
+										var newHei = obj.heights.slice(0,selRows[0]).concat(newHeights).concat(obj.heights.slice(selRows[0]));
+									} else {
+										var newCel = obj.cells.slice(0,selRows[selRows.length-1]+1).concat(newRows).concat(obj.cells.slice(selRows[selRows.length-1]+1));
+										var newHei = obj.heights.slice(0,selRows[selRows.length-1]+1).concat(newHeights).concat(obj.heights.slice(selRows[selRows.length-1]+1));
+									}
+									obj.cells = newCel;
+									obj.heights = newHei;
+									break;
+								case 3: // add cols left
+								case 4: // add cols right
+									var newWidths = [];								
+									for (var r = 0; r < cells.length; r++) {
+										var newCells = [];
+										for (var c = 0; c < selCols.length; c++) {
+											var cell = clone(cells[r][selCols[c]]);
+											var tags = textArrayGetStartTags(cell.text);
+											cell.text = [tags];
+											newCells.push(cell);
+											if (r == 0) newWidths.push(obj.widths[selCols[c]]);
+										}
+										if (draw.tableRowColCanvas.selected == 3) {
+											var newRow = obj.cells[r].slice(0,selCols[0]).concat(newCells).concat(obj.cells[r].slice(selCols[0]));
+										} else {
+											var newRow = obj.cells[r].slice(0,selCols[selCols.length-1]+1).concat(newCells).concat(obj.cells[r].slice(selCols[selCols.length-1]+1));
+										}
+										obj.cells[r] = newRow;
+									}
+									if (draw.tableRowColCanvas.selected == 3) {
+										obj.widths = obj.widths.slice(0,selCols[0]).concat(newWidths).concat(obj.widths.slice(selCols[0]));
+									} else {
+										obj.widths = obj.widths.slice(0,selCols[selCols.length-1]+1).concat(newWidths).concat(obj.widths.slice(selCols[selCols.length-1]+1));	
+									}
+									break;
+								case 2: // del rows
+									for (var r = selRows.length - 1; r >= 0; r--) {
+										cells.splice(selRows[r],1);
+										obj.heights.splice(selRows[r],1);
+									}
+									break;
+								case 5: // del cols
+									for (var r = 0; r < cells.length; r++) {
+										for (var c = selCols.length - 1; c >= 0; c--) {
+											cells[r].splice(selCols[c],1);
+											if (r == 0) obj.widths.splice(selCols[c],1);
+										}
+									}			
+									break;
+							}
+							updateBorder(draw.path[i]);
+						}
+					}
+				}
+			}
+			drawCanvasPaths();
+			tableMenuClose();
+		});	
+		draw.tableRowColChangeButton = tableButton;
+	}
+	if (typeof object.tableBorders == 'object') {
+		var buttonPos = object.tableBorders.buttonPos || [1120,620];
+		var tableButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		tableButton.type = 'tableBorders';
+		tableButton.draw = function() {
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',draw.buttonColor);
+			this.ctx.strokeStyle = '#F00';
+			this.ctx.lineWidth = 2;
+			this.ctx.fillStyle = '#FFF';
+			this.ctx.fillRect(10,11,35,33);
+			this.ctx.beginPath();
+			for (var i = 1; i < 4; i++) {
+				this.ctx.moveTo(10,11+i*33/4);
+				this.ctx.lineTo(45,11+i*33/4);
+			}
+			for (var i = 1; i < 3; i++) {
+				this.ctx.moveTo(10+i*35/3,11);
+				this.ctx.lineTo(10+i*35/3,44);
+			}
+			this.ctx.stroke();			
+		}
+		tableButton.click = function() {
+			draw.tableBordersVisible = !draw.tableBordersVisible;
+			if (draw.tableBordersVisible == true) {
+				tableMenuClose();
+				changeDrawMode('tableBorders');
+				draw.tableBordersCanvas.style.zIndex = Number(this.style.zIndex)+1;
+				showObj(draw.tableBordersCanvas,draw.tableBordersCanvas.data);
+			} else {
+				changeDrawMode();
+				hideObj(draw.tableBordersCanvas,draw.tableBordersCanvas.data);
+			}
+			draw.tableBordersCanvas.draw();			
+		}			
+		draw.buttons.push(tableButton);
+
+		var left = buttonPos[0];
+		var top = buttonPos[1]+53;		
+		var tableBordersCanvas = createCanvas(left,top,400,170,false,false,true,zIndex+100);
+		tableBordersCanvas.isStaticMenuCanvas = true;			
+		tableBordersCanvas.selected = -1;
+		draw.tableBordersCanvas = tableBordersCanvas;
+		draw.tableBordersVisible = false;
+		
+		tableBordersCanvas.colors = ['none','#000','#333','#666','#999','#F00','#00F','#393'];
+		tableBordersCanvas.draw = function() {
+			var ctx = this.ctx;
+			roundedRect(ctx,3,3,this.data[102]-6,this.data[103]-6,8,6,'#000','#FFC');
+
+			text({context:ctx,textArray:['<<fontSize:18>>Outer Border'],left:0,top:10,width:200,height:50,textAlign:'center'});
+			text({context:ctx,textArray:['<<fontSize:18>>Inner Border'],left:200,top:10,width:200,height:50,textAlign:'center'});
+			ctx.strokeStyle = '#000';
+			ctx.lineWidth = 2;
+			if (!ctx.setLineDash) {ctx.setLineDash = function () {}}			
+			ctx.setLineDash([]);
+			ctx.beginPath();
+			ctx.moveTo(200,10);
+			ctx.lineTo(200,160);
+			ctx.stroke();
+			
+			// draw color buttons
+			roundedRect(ctx,10,40,22.5,22.5,0,2,'#000');
+			roundedRect(ctx,210,40,22.5,22.5,0,2,'#000');
+			ctx.beginPath();
+			ctx.strokeStyle = '#000';
+			ctx.lineWidth = 2;
+			ctx.moveTo(10,40);
+			ctx.lineTo(32.5,62.5);
+			ctx.moveTo(32.5,40);
+			ctx.lineTo(10,62.5);
+			ctx.moveTo(210,40);
+			ctx.lineTo(232.5,62.5);
+			ctx.moveTo(232.5,40);
+			ctx.lineTo(210,62.5);			
+			ctx.stroke();
+			for (var i = 1; i < this.colors.length; i++) {
+				roundedRect(ctx,10+22.5*i,40,22.5,22.5,0,2,'#000',this.colors[i]);
+				roundedRect(ctx,210+22.5*i,40,22.5,22.5,0,2,'#000',this.colors[i]);
+			}
+
+			var innerColor = '#999';
+			var innerWeight = 2;
+			var innerDash = [5,5];
+			var outerColor = '#000';
+			var outerWeight = 4;
+			var outerDash = [0,0];
+			
+			for (var i = 0; i < draw.path.length; i++) {
+				if (draw.path[i].selected == true) {
+					for (var j = 0; j < draw.path[i].obj.length; j++) {
+						if (draw.path[i].obj[j].type == 'table' || draw.path[i].obj[j].type == 'table2') {
+							innerColor = draw.path[i].obj[j].innerBorder.color;
+							if (draw.path[i].obj[j].innerBorder.show == false) innerColor = '#FFC';
+							innerWeight = draw.path[i].obj[j].innerBorder.width;
+							innerDash = draw.path[i].obj[j].innerBorder.dash;
+							if (typeof innerDash !== 'object') innerDash = [0,0];
+							if (typeof innerDash[0] !== 'number') innerDash[0] = 0;
+							if (typeof innerDash[1] !== 'number') innerDash[1] = 0;
+							outerColor = draw.path[i].obj[j].outerBorder.color;
+							if (draw.path[i].obj[j].outerBorder.show == false) outerColor = '#FFC';
+							outerWeight = draw.path[i].obj[j].outerBorder.width;
+							outerDash = draw.path[i].obj[j].outerBorder.dash;
+							if (typeof outerDash !== 'object') outerDash = [0,0];
+							if (typeof outerDash[0] !== 'number') outerDash[0] = 0;
+							if (typeof outerDash[1] !== 'number') outerDash[1] = 0;
+						}
+					}
+				}
+			}
+			
+			ctx.strokeStyle = outerColor;
+			ctx.lineWidth = outerWeight;
+			ctx.setLineDash(outerDash);
+			ctx.beginPath();
+			ctx.moveTo(10,80);
+			ctx.lineTo(190,80);
+			ctx.stroke();
+			
+			ctx.strokeStyle = innerColor;
+			ctx.lineWidth = innerWeight;
+			ctx.setLineDash(innerDash);
+			ctx.beginPath();
+			ctx.moveTo(210,80);
+			ctx.lineTo(390,80);
+			ctx.stroke();
+			
+			text({context:ctx,textArray:['<<fontSize:30>>-'],left:10,top:100,width:25,height:25,textAlign:'center',vertAlign:'middle',box:{color:'#FCF',borderWidth:2}});
+			text({context:ctx,textArray:['<<fontSize:30>>+'],left:35,top:100,width:25,height:25,textAlign:'center',vertAlign:'middle',box:{color:'#FCF',borderWidth:2}});
+			text({context:ctx,textArray:['<<fontSize:16>>width '+outerWeight],left:5,top:130,width:60,height:30,textAlign:'center'});
+
+			text({context:ctx,textArray:['<<fontSize:30>>-'],left:75,top:100,width:25,height:25,textAlign:'center',vertAlign:'middle',box:{color:'#FCF',borderWidth:2}});
+			text({context:ctx,textArray:['<<fontSize:30>>+'],left:100,top:100,width:25,height:25,textAlign:'center',vertAlign:'middle',box:{color:'#FCF',borderWidth:2}});
+			text({context:ctx,textArray:['<<fontSize:16>>dash '+outerDash[0]],left:70,top:130,width:60,height:30,textAlign:'center'});
+
+			text({context:ctx,textArray:['<<fontSize:30>>-'],left:140,top:100,width:25,height:25,textAlign:'center',vertAlign:'middle',box:{color:'#FCF',borderWidth:2}});
+			text({context:ctx,textArray:['<<fontSize:30>>+'],left:165,top:100,width:25,height:25,textAlign:'center',vertAlign:'middle',box:{color:'#FCF',borderWidth:2}});
+			text({context:ctx,textArray:['<<fontSize:16>>gap '+outerDash[1]],left:135,top:130,width:60,height:30,textAlign:'center'});
+			
+			text({context:ctx,textArray:['<<fontSize:30>>-'],left:210,top:100,width:25,height:25,textAlign:'center',vertAlign:'middle',box:{color:'#FCF',borderWidth:2}});
+			text({context:ctx,textArray:['<<fontSize:30>>+'],left:235,top:100,width:25,height:25,textAlign:'center',vertAlign:'middle',box:{color:'#FCF',borderWidth:2}});
+			text({context:ctx,textArray:['<<fontSize:16>>width '+innerWeight],left:205,top:130,width:60,height:30,textAlign:'center'});
+
+			text({context:ctx,textArray:['<<fontSize:30>>-'],left:275,top:100,width:25,height:25,textAlign:'center',vertAlign:'middle',box:{color:'#FCF',borderWidth:2}});
+			text({context:ctx,textArray:['<<fontSize:30>>+'],left:300,top:100,width:25,height:25,textAlign:'center',vertAlign:'middle',box:{color:'#FCF',borderWidth:2}});
+			text({context:ctx,textArray:['<<fontSize:16>>dash '+innerDash[0]],left:270,top:130,width:60,height:30,textAlign:'center'});
+
+			text({context:ctx,textArray:['<<fontSize:30>>-'],left:340,top:100,width:25,height:25,textAlign:'center',vertAlign:'middle',box:{color:'#FCF',borderWidth:2}});
+			text({context:ctx,textArray:['<<fontSize:30>>+'],left:365,top:100,width:25,height:25,textAlign:'center',vertAlign:'middle',box:{color:'#FCF',borderWidth:2}});
+			text({context:ctx,textArray:['<<fontSize:16>>gap '+innerDash[1]],left:335,top:130,width:60,height:30,textAlign:'center'});			
+		}
+		tableBordersCanvas.draw();
+	
+		addListenerMove(tableBordersCanvas,function(e) {
+			updateMouse(e);
+			var l = e.target.data[100];
+			var t = e.target.data[101];
+			if (mouseHitRect(l+10,t+40,180,22.5) || mouseHitRect(l+210,t+40,180,22.5) || mouseHitRect(l+10,t+100,50,25) || mouseHitRect(l+75,t+100,50,25) || mouseHitRect(l+140,t+100,50,25) || mouseHitRect(l+210,t+100,50,25) || mouseHitRect(l+275,t+100,50,25) || mouseHitRect(l+340,t+100,50,25)) {
+				e.target.style.cursor = draw.cursors.pointer;
+			} else {
+				e.target.style.cursor = draw.cursors.default;
+			}
+		});
+		
+		addListener(tableBordersCanvas,function(e) {
+			if (e.target.style.cursor == draw.cursors.default) return;
+			updateMouse(e);
+			var l = e.target.data[100];
+			var t = e.target.data[101];
+
+			for (var i = 0; i < draw.path.length; i++) {
+				if (draw.path[i].selected == true) {
+					for (var j = 0; j < draw.path[i].obj.length; j++) {
+						if (draw.path[i].obj[j].type == 'table' || draw.path[i].obj[j].type == 'table2') {			
+							if (mouseHitRect(l+10,t+40,180,22.5)) {
+								var color = e.target.colors[Math.floor((mouse.x-(l+10))/22.5)];
+								if (color == 'none') {
+									draw.path[i].obj[j].outerBorder.show = false;
+								} else {
+									draw.path[i].obj[j].outerBorder.show = true;
+									draw.path[i].obj[j].outerBorder.color = color;
+								}
+							} else if (mouseHitRect(l+210,t+40,180,22.5)) {
+								var color = e.target.colors[Math.floor((mouse.x-(l+210))/22.5)];
+								if (color == 'none') {
+									draw.path[i].obj[j].innerBorder.show = false;
+								} else {
+									draw.path[i].obj[j].innerBorder.show = true;
+									draw.path[i].obj[j].innerBorder.color = color;
+								}
+							} else if (mouseHitRect(l+10,t+100,25,25)) {
+								draw.path[i].obj[j].outerBorder.width = Math.max(1,draw.path[i].obj[j].outerBorder.width-1);
+							} else if (mouseHitRect(l+35,t+100,25,25)) {
+								draw.path[i].obj[j].outerBorder.width++;
+							} else if (mouseHitRect(l+75,t+100,25,25)) {
+								if (typeof draw.path[i].obj[j].outerBorder.dash !== 'object') draw.path[i].obj[j].outerBorder.dash = [0,0];
+								draw.path[i].obj[j].outerBorder.dash[0] = Math.max(0,draw.path[i].obj[j].outerBorder.dash[0]-1);
+							} else if (mouseHitRect(l+100,t+100,25,25)) {
+								if (typeof draw.path[i].obj[j].outerBorder.dash !== 'object') draw.path[i].obj[j].outerBorder.dash = [0,0];
+								draw.path[i].obj[j].outerBorder.dash[0]++;
+							} else if (mouseHitRect(l+140,t+100,25,25)) {
+								if (typeof draw.path[i].obj[j].outerBorder.dash !== 'object') draw.path[i].obj[j].outerBorder.dash = [0,0];
+								draw.path[i].obj[j].outerBorder.dash[1] = Math.max(0,draw.path[i].obj[j].outerBorder.dash[1]-1);
+							} else if (mouseHitRect(l+165,t+100,25,25)) {
+								if (typeof draw.path[i].obj[j].outerBorder.dash !== 'object') draw.path[i].obj[j].outerBorder.dash = [0,0];
+								draw.path[i].obj[j].outerBorder.dash[1]++;
+							} else if (mouseHitRect(l+210,t+100,25,25)) {
+								draw.path[i].obj[j].innerBorder.width = Math.max(1,draw.path[i].obj[j].innerBorder.width-1);
+							} else if (mouseHitRect(l+235,t+100,25,25)) {
+								draw.path[i].obj[j].innerBorder.width++;
+							} else if (mouseHitRect(l+275,t+100,25,25)) {
+								if (typeof draw.path[i].obj[j].innerBorder.dash !== 'object') draw.path[i].obj[j].innerBorder.dash = [0,0];
+								draw.path[i].obj[j].innerBorder.dash[0] = Math.max(0,draw.path[i].obj[j].innerBorder.dash[0]-1);
+							} else if (mouseHitRect(l+300,t+100,25,25)) {
+								if (typeof draw.path[i].obj[j].innerBorder.dash !== 'object') draw.path[i].obj[j].innerBorder.dash = [0,0];
+								draw.path[i].obj[j].innerBorder.dash[0]++;
+							} else if (mouseHitRect(l+340,t+100,25,25)) {
+								if (typeof draw.path[i].obj[j].innerBorder.dash !== 'object') draw.path[i].obj[j].innerBorder.dash = [0,0];
+								draw.path[i].obj[j].innerBorder.dash[1] = Math.max(0,draw.path[i].obj[j].innerBorder.dash[1]-1);
+							} else if (mouseHitRect(l+365,t+100,25,25)) {
+								if (typeof draw.path[i].obj[j].innerBorder.dash !== 'object') draw.path[i].obj[j].innerBorder.dash = [0,0];
+								draw.path[i].obj[j].innerBorder.dash[1]++;
+							}
+						}
+					}
+				}
+			}
+			drawCanvasPaths();
+			this.draw();
+		});	
+		draw.tableBordersButton = tableButton;
+	}
+	if (typeof object.tableCellColor == 'object') {
+		var buttonPos = object.tableCellColor.buttonPos || [1120,620];
+		var tableButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		tableButton.type = 'tableCellColor';
+		tableButton.draw = function() {
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',draw.buttonColor);
+			this.ctx.strokeStyle = '#666';
+			this.ctx.lineWidth = 1;
+			this.ctx.fillStyle = '#FFF';
+			this.ctx.fillRect(10,11,35,33);
+			this.ctx.fillStyle = '#393';
+			this.ctx.fillRect(10+11*1,11+1*33/4,35/3,33/4);
+			this.ctx.beginPath();
+			for (var i = 0; i < 5; i++) {
+				this.ctx.moveTo(10,11+i*33/4);
+				this.ctx.lineTo(45,11+i*33/4);
+			}
+			for (var i = 0; i < 4; i++) {
+				this.ctx.moveTo(10+i*35/3,11);
+				this.ctx.lineTo(10+i*35/3,44);
+			}
+			this.ctx.stroke();
+			this.ctx.lineWidth = 1;
+			this.ctx.strokeStyle = '#000';
+			this.ctx.strokeRect(10,11,35,33);			
+		}
+		tableButton.click = function() {
+			draw.tableCellColorVisible = !draw.tableCellColorVisible;
+			if (draw.tableCellColorVisible == true) {
+				tableMenuClose();
+				changeDrawMode('tableCellColor');
+				draw.tableCellColorCanvas.style.zIndex = Number(this.style.zIndex)+1;				
+				showObj(draw.tableCellColorCanvas,draw.tableCellColorCanvas.data);
+			} else {
+				changeDrawMode();
+				hideObj(draw.tableCellColorCanvas,draw.tableCellColorCanvas.data);
+			}			
+		}			
+		draw.buttons.push(tableButton);
+
+		var left = buttonPos[0];
+		var top = buttonPos[1]+53;		
+		var tableCellColorCanvas = createCanvas(left,top,110,110,false,false,true,zIndex+100);
+		tableCellColorCanvas.isStaticMenuCanvas = true;					
+		draw.tableCellColorCanvas = tableCellColorCanvas;
+		draw.tableCellColorsVisible = false;
+		
+		tableCellColorCanvas.colors = [['none','#000','#333','#666'],['#999','#CCC','#FFF','#FFC',],['#FCF','#CFF','#FCC','#CFC'],['#CCF','#F00','#393','#00F']];
+		tableCellColorCanvas.draw = function() {
+			var ctx = this.ctx;
+			roundedRect(ctx,3,3,this.data[102]-6,this.data[103]-6,8,6,'#000','#FFC');
+		
+			// draw color buttons
+			for (var i = 0; i < this.colors.length; i++) {
+				for (var j = 0; j < this.colors[i].length; j++) {
+					if (i == 0 && j == 0) {
+						roundedRect(ctx,10,10,22.5,22.5,0,2,'#000');
+						ctx.beginPath();
+						ctx.strokeStyle = '#000';
+						ctx.lineWidth = 2;
+						ctx.moveTo(10,10);
+						ctx.lineTo(32.5,32.5);
+						ctx.moveTo(32.5,10);
+						ctx.lineTo(10,32.5);			
+						ctx.stroke();						
+					} else {
+						roundedRect(ctx,10+22.5*i,10+22.5*j,22.5,22.5,0,2,'#000',this.colors[j][i]);
+						roundedRect(ctx,210+22.5*i,10+22.5*j,22.5,22.5,0,2,'#000',this.colors[j][i]);
+					}
+				}
+			}
+
+		}
+		tableCellColorCanvas.draw();
+	
+		addListenerMove(tableCellColorCanvas,function(e) {
+			updateMouse(e);
+			var l = e.target.data[100];
+			var t = e.target.data[101];
+			if (mouseHitRect(l+10,t+10,90,90)) {
+				e.target.style.cursor = draw.cursors.pointer;
+			} else {
+				e.target.style.cursor = draw.cursors.default;
+			}
+		});
+		
+		addListener(tableCellColorCanvas,function(e) {
+			if (e.target.style.cursor == draw.cursors.default) return;
+			updateMouse(e);
+			var l = e.target.data[100];
+			var t = e.target.data[101];
+			var color = this.colors[Math.floor((mouse.y-(t+10))/22.5)][Math.floor((mouse.x-(l+10))/22.5)];
+			for (var i = 0; i < draw.path.length; i++) {
+				if (draw.path[i].selected == true) {
+					var path = draw.path[i];
+					for (var j = 0; j < path.obj.length; j++) {
+						if (path.obj[j].type == 'table' || path.obj[j].type == 'table2') {			
+							var cells = path.obj[j].cells;
+							for (var r = 0; r < cells.length; r++) {
+								for (var c = 0; c < cells[r].length; c++) {
+									if (cells[r][c].selected == true) {
+										cells[r][c].color = color;
+									}
+								}
+							}
+						}
+					}
+					drawCanvasPath(draw.path.indexOf(path));
+				}
+			}
+		});	
+		draw.tableCellColorButton = tableButton;
+	}
+	if (typeof object.tableInputs == 'object') {
+		var buttonPos = object.tableInputs.buttonPos || [1120,620];
+		var tableInputsButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		tableInputsButton.type = 'tableInputs';
+		tableInputsButton.draw = function() {
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',draw.buttonColor);
+			this.ctx.strokeStyle = '#666';
+			this.ctx.lineWidth = 1;
+			this.ctx.fillStyle = '#FFF';
+			this.ctx.fillRect(10,11,35,33);
+			this.ctx.fillStyle = '#CCC';
+			this.ctx.fillRect(10,11,35,33/4);
+			for (var i = 0; i < 5; i++) {
+				this.ctx.moveTo(10,11+i*33/4);
+				this.ctx.lineTo(45,11+i*33/4);
+			}
+			for (var i = 0; i < 4; i++) {
+				this.ctx.moveTo(10+i*35/3,11);
+				this.ctx.lineTo(10+i*35/3,44);
+			}
+			this.ctx.stroke();
+			this.ctx.lineWidth = 1;
+			this.ctx.strokeStyle = '#000';
+			this.ctx.strokeRect(10,11,35,33);
+
+			this.ctx.fillStyle = '#FFF';	
+			this.ctx.strokeStyle = '#000';
+			this.ctx.lineWidth = 2;
+			this.ctx.lineCap = 'round';
+			this.ctx.lineJoin = 'round';
+			this.ctx.beginPath();
+			this.ctx.fillRect(28,35,20,13);
+			this.ctx.strokeRect(28,35,20,13);
+			this.ctx.stroke();
+			text({context:this.ctx,left:28,width:20,top:29,textArray:['<<font:Georgia>><<fontSize:10>><<align:center>>I']});			
+		}
+		tableInputsButton.click = function() {
+			for (var i = 0; i < draw.path.length; i++) {
+				if (draw.path[i].selected == true) {
+					for (var j = 0; j < draw.path[i].obj.length; j++) {
+						if (draw.path[i].obj[j].type == 'table') {
+							var cells = draw.path[i].obj[j].cells;
+							for (var r = 0; r < cells.length; r++) {
+								for (var c = 0; c < cells[r].length; c++) {
+									if (cells[r][c].selected == true) {
+										if (typeof cells[r][c].input !== 'boolean') {
+											cells[r][c].input = true;
+										} else {
+											cells[r][c].input = !cells[r][c].input;
+										}
+									}
+								}
+							}
+						}
+					}
+				}
+			}
+			drawCanvasPaths();			
+		}			
+		draw.buttons.push(tableInputsButton);
+	}	
+	if (typeof object.select == 'object') {
+		var buttonPos = object.select.buttonPos || [1120,620];
+		var selectButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		selectButton.type = 'select';
+		selectButton.draw = function() {
+			if (draw.drawMode !== 'select') {
+				var color = draw.buttonColor;
+			} else {
+				var color = draw.buttonSelectedColor;
+			}	
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',color);
+			this.ctx.drawImage(selImg,(55-26*0.65)/2+26*0.1,(55-42*0.65)/2,26*0.65,42*0.65);			
+		}
+		selectButton.click = function() {
+			changeDrawMode('select');			
+		}		
+		draw.buttons.push(selectButton);
+	}
+	if (typeof object.clone == 'object') {
+		var buttonPos = object.clone.buttonPos || [1120,620];
+		var cloneButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		cloneButton.type = 'clone';
+		cloneButton.draw = function() {
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',draw.buttonColor);
+			text({context:this.ctx,left:0,width:55,top:15,textArray:['<<font:Arial>><<fontSize:12>><<align:center>>CLONE']});				
+		}
+		cloneButton.click = function() {
+			clonePaths();
+			/*var clones = [];
+			var pMax = draw.path.length;
+			for (var p = 0; p < pMax; p++) {
+				if (draw.path[p].selected == true) {
+					var path = clone(draw.path[p]);
+					clones.push(path);
+					draw.path[p].selected = false;
+				}
+			}
+			reviveDrawPaths(clones);
+			draw.path = draw.path.concat(clones);
+			drawCanvasPaths();	*/
+		}		
+		draw.buttons.push(cloneButton);
+	}
+	if (typeof object.trigger == 'object') {
+		var buttonPos = object.trigger.buttonPos || [1120,620];
+		var triggerButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		triggerButton.type = 'trigger';
+		triggerButton.draw = function() {
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',draw.buttonColor);
+			text({context:this.ctx,left:0,width:55,top:5,textArray:['<<font:Arial>><<fontSize:14>><<align:center>>TRIG<<br>>GER']});			
+		}
+		triggerButton.click = function() {
+			draw.triggerEnabled = !draw.triggerEnabled;
+			if (draw.triggerEnabled == true) {
+				draw.stepNum = 0;
+				showSlider(draw.triggerSlider);
+			} else {
+				hideSlider(draw.triggerSlider);
+			}
+			for (var i = 0; i < draw.path.length; i++) {
+				updateBorder(draw.path[i]);
+			}
+			drawCanvasPaths();
+			calcCursorPositions();
+		}		
+		draw.buttons.push(triggerButton);
+		draw.stepNumChange = function() {
+			drawCanvasPaths();
+		}
+		draw.triggerSlider = createSlider({
+			id:1,
+			left:50,
+			top:700,
+			width:400,
+			height:60,
+			zIndex:10000000,
+			vari:'Step',
+			linkedVar:'draw.triggerNum',
+			varChangeListener:'draw.stepNumChange',
+			min:0,
+			max:1,
+			startNum:0,
+			discrete:true,
+			stepNum:1,
+			snap:true,
+			snapNum:1,
+			visible:false
+		});
+	}
+	if (typeof object.ans == 'object') {
+		var buttonPos = object.ans.buttonPos || [1120,620];
+		var ansButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		ansButton.type = 'ans';
+		ansButton.draw = function() {
+			var color = draw.buttonColor;
+			if (draw.triggerNum == 1) color = '#CFC';
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',color);
+			text({context:this.ctx,left:0,width:55,top:15,textArray:['<<font:Arial>><<fontSize:20>><<align:center>>ANS']});			
+		}
+		ansButton.click = function() {
+			draw.triggerEnabled = true;
+			draw.triggerNum = draw.triggerNum == 1 ? 0 : 1;
+			/*draw.ansMode = true;
+			if (un(draw.showAns) || draw.showAns == false){
+				draw.showAns = true;
+			} else {
+				draw.showAns = false;
+			}*/
+			this.draw();
+			drawCanvasPaths();
+			calcCursorPositions();
+		}		
+		draw.buttons.push(ansButton);
+	}		
+	if (typeof object.video == 'object') {
+		var buttonPos = object.video.buttonPos || [1120,620];
+		var videoButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		videoButton.type = 'video';
+		videoButton.draw = function() {
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',draw.buttonColor);
+			roundedRect(this.ctx,8,14,39,27,5,0,'#FFC','#FFC');
+			drawPath({ctx:this.ctx,closed:true,fillColor:'#000',path:[[22,27.5-7],[36,27.5],[22,27.5+7]]});
+			for (var i = 0; i < 4; i++) {
+				roundedRect(this.ctx,10+i*(3+(35-4*3)/3),8,3,3,0,0,'#FFC','#FFC');
+				roundedRect(this.ctx,10+i*(3+(35-4*3)/3),44,3,3,0,0,'#FFC','#FFC');
+			}			
+		}
+		videoButton.click = function() {
+			addVideo();
+		}		
+		draw.buttons.push(videoButton);
+	}	
+	if (typeof object.group == 'object') {
+		var buttonPos = object.group.buttonPos || [1120,620];
+		var groupButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		groupButton.type = 'group';
+		groupButton.draw = function() {
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',draw.buttonColor);
+			text({context:this.ctx,left:0,width:55,top:15,textArray:['<<font:Arial>><<fontSize:12>><<align:center>>GROUP']});			
+		}
+		groupButton.click = function() {
+			groupPaths();
+			/*var selected = [];
+			for (var i = 0; i < draw.path.length; i++) {
+				if (draw.path[i].selected == true) selected.push(i);
+			}
+			if (selected.length > 1) {
+				var pathObject = [];
+				for (i = 0; i < selected.length; i++) {
+					for (var k = 0; k < draw.path[selected[i]].obj.length; k++) {
+						pathObject.push(draw.path[selected[i]].obj[k]);
+					}
+				}
+				draw.path[selected[selected.length-1]] = {obj:pathObject.slice(0),selected:true};
+				updateBorder(draw.path[selected[selected.length-1]]);
+				for (var i = selected.length - 2; i >= 0; i--) {
+					draw.path.splice(selected[i],1);	
+				}
+				drawCanvasPaths();
+			} else if (selected.length == 1) {
+				var pathObject = [];
+				for (var i = 0; i < draw.path[selected[0]].obj.length; i++) {
+					pathObj = [[draw.path[selected[0]].obj[i]],true];
+					updateBorder(pathObj);
+					pathObject.push(pathObj);
+				}
+				draw.path.splice(selected[0],1);
+				for (var i = pathObject.length - 1; i >= 0; i--) {
+					draw.path.splice(selected[0],0,pathObject[i]);
+				}
+				drawCanvasPaths();
+			}*/			
+		}		
+		draw.buttons.push(groupButton);
+	}
+	if (typeof object.delete == 'object') {
+		var buttonPos = object.delete.buttonPos || [1120,620];
+		var deleteButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		deleteButton.type = 'delete';
+		deleteButton.draw = function() {
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',draw.buttonColor);
+			text({context:this.ctx,left:0,width:55,top:15,textArray:['<<font:Arial>><<fontSize:20>><<align:center>><<color:#F00>>DEL']});			
+		}
+		deleteButton.click = function() {
+			deleteSelectedPaths();
+		}		
+		draw.buttons.push(deleteButton);
+	}	
+	if (typeof object.rect == 'object') {
+		var buttonPos = object.rect.buttonPos || [1120,620];
+		var rectButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		rectButton.type = 'rect';
+		rectButton.draw = function() {
+			if (draw.drawMode !== 'rect') {
+				var color = draw.buttonColor;
+				this.style.cursor = draw.cursors.pointer;
+			} else {
+				var color = draw.buttonSelectedColor;
+				this.style.cursor = 'url('+draw.lineCursor+') '+draw.lineCursorHotspot[0]+' '+draw.lineCursorHotspot[1]+', auto';
+			}
+			
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',color);
+			
+			this.ctx.strokeStyle = draw.color;
+			this.ctx.lineWidth = draw.thickness;;
+			this.ctx.lineCap = 'round';
+			this.ctx.lineJoin = 'round';
+
+			this.ctx.beginPath();
+			this.ctx.strokeRect(12.5,17.5,30,20);
+			this.ctx.stroke();			
+		}
+		rectButton.click = function() {
+			changeDrawMode('rect');			
+		}			
+		draw.buttons.push(rectButton);
+	}
+	if (typeof object.square == 'object') {
+		var buttonPos = object.square.buttonPos || [1120,620];
+		var squareButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		squareButton.type = 'square';
+		squareButton.draw = function() {
+			if (draw.drawMode !== 'square') {
+				var color = draw.buttonColor;
+				this.style.cursor = draw.cursors.pointer;
+			} else {
+				var color = draw.buttonSelectedColor;
+				this.style.cursor = 'url('+draw.lineCursor+') '+draw.lineCursorHotspot[0]+' '+draw.lineCursorHotspot[1]+', auto';
+			}
+			
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',color);
+			
+			this.ctx.strokeStyle = draw.color;
+			this.ctx.lineWidth = draw.thickness;;
+			this.ctx.lineCap = 'round';
+			this.ctx.lineJoin = 'round';
+
+			this.ctx.beginPath();
+			this.ctx.strokeRect(15,15,25,25);
+			this.ctx.stroke();			
+		}
+		squareButton.click = function() {
+			changeDrawMode('square');			
+		}		
+		draw.buttons.push(squareButton);
+	}
+	if (typeof object.polygon == 'object') {
+		var buttonPos = object.polygon.buttonPos || [1120,620];
+		var polygonButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		polygonButton.type = 'polygon';
+		polygonButton.draw = function() {
+			if (draw.drawMode !== 'polygon') {
+				var color = draw.buttonColor;
+				this.style.cursor = draw.cursors.pointer;
+			} else {
+				var color = draw.buttonSelectedColor;
+				this.style.cursor = 'url('+draw.lineCursor+') '+draw.lineCursorHotspot[0]+' '+draw.lineCursorHotspot[1]+', auto';
+			}
+			
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',color);
+			
+			this.ctx.strokeStyle = draw.color;
+			this.ctx.lineWidth = draw.thickness;;
+			this.ctx.lineCap = 'round';
+			this.ctx.lineJoin = 'round';
+
+			this.ctx.beginPath();
+			this.ctx.moveTo(10,25);
+			this.ctx.lineTo(25,10);
+			this.ctx.lineTo(45,30);
+			this.ctx.lineTo(30,45);
+			this.ctx.lineTo(20,45);
+			this.ctx.lineTo(10,25);
+			this.ctx.stroke();			
+		}
+		polygonButton.click = function() {
+			changeDrawMode('polygon');
+		}		
+		draw.buttons.push(polygonButton);
+	}	
+	if (typeof object.circle == 'object') {
+		var buttonPos = object.circle.buttonPos || [1120,620];
+		var circleButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		circleButton.type = 'circle';
+		circleButton.draw = function() {
+			if (draw.drawMode !== 'circle') {
+				var color = draw.buttonColor;
+				this.style.cursor = draw.cursors.pointer;
+			} else {
+				var color = draw.buttonSelectedColor;
+				this.style.cursor = 'url('+draw.lineCursor+') '+draw.lineCursorHotspot[0]+' '+draw.lineCursorHotspot[1]+', auto';
+			}
+			
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',color);
+			
+			this.ctx.strokeStyle = draw.color;
+			this.ctx.lineWidth = draw.thickness;;
+			this.ctx.lineCap = 'round';
+			this.ctx.lineJoin = 'round';
+
+			this.ctx.beginPath();
+			this.ctx.arc(27.5,27.5,15,0,2*Math.PI);
+			this.ctx.stroke();			
+		}
+		circleButton.click = function() {
+			changeDrawMode('circle');			
+		}		
+		draw.buttons.push(circleButton);
+	}
+	if (typeof object.ellipse == 'object') {
+		var buttonPos = object.ellipse.buttonPos || [1120,620];
+		var ellipseButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		ellipseButton.type = 'ellipse';
+		ellipseButton.draw = function() {
+			if (draw.drawMode !== 'ellipse') {
+				var color = draw.buttonColor;
+				this.style.cursor = draw.cursors.pointer;
+			} else {
+				var color = draw.buttonSelectedColor;
+				this.style.cursor = 'url('+draw.lineCursor+') '+draw.lineCursorHotspot[0]+' '+draw.lineCursorHotspot[1]+', auto';
+			}
+			
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',color);
+			
+			this.ctx.strokeStyle = draw.color;
+			this.ctx.lineWidth = draw.thickness;;
+			this.ctx.lineCap = 'round';
+			this.ctx.lineJoin = 'round';
+
+			this.ctx.save();
+			this.ctx.translate(27.5,27.5);
+			this.ctx.scale(1.5,1);
+			this.ctx.beginPath();
+			this.ctx.arc(0,0,10,0,2*Math.PI);
+			this.ctx.stroke();
+			this.ctx.restore();			
+		}
+		ellipseButton.click = function() {
+			changeDrawMode('ellipse');			
+		}		
+		draw.buttons.push(ellipseButton);
+	}
+	if (typeof object.button == 'object') {
+		var buttonPos = object.button.buttonPos || [1120,620];
+		var buttonButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		buttonButton.type = 'button';
+		buttonButton.draw = function() {
+			if (draw.drawMode !== 'button') {
+				var color = draw.buttonColor;
+				this.style.cursor = draw.cursors.pointer;
+			} else {
+				var color = draw.buttonSelectedColor;
+				this.style.cursor = 'url('+draw.lineCursor+') '+draw.lineCursorHotspot[0]+' '+draw.lineCursorHotspot[1]+', auto';
+			}
+			
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',color);
+			
+			this.ctx.fillStyle = '#6F9';	
+			this.ctx.strokeStyle = '#000';
+			this.ctx.lineWidth = 2;
+			this.ctx.lineCap = 'round';
+			this.ctx.lineJoin = 'round';
+
+			this.ctx.beginPath();
+			this.ctx.fillRect(8,15,55-16,25);
+			this.ctx.strokeRect(8,15,55-16,25);
+			this.ctx.stroke();
+			
+			text({context:this.ctx,left:8,width:55-16,top:15,textArray:['<<font:Hobo>><<fontSize:20>><<align:center>>bttn']});			
+		}
+		buttonButton.click = function() {
+			if (draw.fillColor == '#000' || draw.fillColor == 'none') {
+				var fillColor = '#6F9';
+			} else {
+				var fillColor = draw.fillColor;	
+			}
+			deselectAllPaths();
+			var mInput = createMathsInput2({
+				left:50-draw.drawRelPos[0],
+				top:200-draw.drawRelPos[1],
+				width:150,
+				height:2*draw.drawArea[3],
+				varSize:{minWidth:30,maxWidth:150,minHeight:60,maxHeight:60},
+				backColor:'none',
+				selectColor:'none',
+				border:false,
+				borderColor:'#00F',
+				borderWidth:1,
+				borderDash:[5,8],
+				textAlign:'center',
+				vertAlign:'middle',
+				maxLines:100,
+				selectable:true,
+				zIndex:draw.zIndex,
+				pointerCanvas:draw.cursorCanvas
+			});
+			setMathsInputText(mInput,['<<font:Hobo>><<fontSize:32>><<align:center>>button']);
+			draw.path.push({obj:[{
+				type:'button',
+				thickness:4,
+				fillColor:fillColor,
+				color:'#000',
+				left:50-draw.drawRelPos[0],
+				top:200-draw.drawRelPos[1],
+				width:150,
+				height:60,
+				text:['<<font:Hobo>><<fontSize:32>><<align:center>>button'],
+				mathsInput:mInput,
+				backColor:'none',
+				selectColor:'none',
+				textAlign:'center'
+			}],selected:true,trigger:[]});
+			//mInput.drawPath = draw.path[draw.path.length-1];
+			updateBorder(draw.path[draw.path.length-1]);
+			changeDrawMode();
+			drawCanvasPaths();			
+		}		
+		draw.buttons.push(buttonButton);
+	}	
+	if (typeof object.text == 'object') {
+		var buttonPos = object.text.buttonPos || [1120,620];
+		var textButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		textButton.type = 'text';
+		textButton.draw = function() {
+			if (draw.drawMode !== 'textStart') {
+				var color = draw.buttonColor;
+			} else {
+				var color = draw.buttonSelectedColor;
+			}	
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',color);
+			text({context:this.ctx,left:0,width:55,top:5,textArray:['<<font:Arial>><<fontSize:35>><<align:center>>A']});			
+		}
+		textButton.click = function() {
+			changeDrawMode('textStart');			
+		}		
+		draw.buttons.push(textButton);
+	}
+	if (typeof object.input == 'object') {
+		var buttonPos = object.input.buttonPos || [1120,620];
+		var inputButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		inputButton.type = 'input';
+		inputButton.draw = function() {
+			if (draw.drawMode !== 'input') {
+				var color = draw.buttonColor;
+				this.style.cursor = draw.cursors.pointer;
+			} else {
+				var color = draw.buttonSelectedColor;
+				this.style.cursor = 'url('+draw.lineCursor+') '+draw.lineCursorHotspot[0]+' '+draw.lineCursorHotspot[1]+', auto';
+			}
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',color);
+			this.ctx.fillStyle = '#FFF';	
+			this.ctx.strokeStyle = '#000';
+			this.ctx.lineWidth = 2;
+			this.ctx.lineCap = 'round';
+			this.ctx.lineJoin = 'round';
+			this.ctx.beginPath();
+			this.ctx.fillRect(8,15,55-16,25);
+			this.ctx.strokeRect(8,15,55-16,25);
+			this.ctx.stroke();
+			
+			text({context:this.ctx,left:8,width:55-16,top:15,textArray:['<<font:Georgia>><<fontSize:20>><<align:center>>I']});			
+		}
+		inputButton.click = function() {
+			deselectAllPaths();
+			
+			var mInput = createMathsInput2({
+				left:100-draw.drawRelPos[0],
+				top:200-draw.drawRelPos[1],
+				width:150,
+				height:2*draw.drawArea[3],
+				fontSize:30,
+				varSize:{minWidth:30,maxWidth:150,minHeight:60,maxHeight:60,padding:10},
+				backColor:'none',
+				selectColor:'none',
+				border:false,
+				borderColor:'#00F',
+				borderWidth:1,
+				borderDash:[5,8],
+				textAlign:'center',
+				vertAlign:'middle',
+				maxLines:1,
+				selectable:true,
+				zIndex:draw.zIndex,
+				pointerCanvas:draw.cursorCanvas
+			});
+			setMathsInputText(mInput,['<<font:Arial>><<fontSize:32>><<align:center>>']);
+			//mInput.drawPath = draw.path[draw.path.length-1];
+			
+			var leftInput = createMathsInput2({
+				left:100-800-draw.drawRelPos[0],
+				top:200-draw.drawRelPos[1],
+				width:800,
+				height:2*draw.drawArea[3],
+				varSize:{minWidth:30,maxWidth:800,minHeight:50,maxHeight:50,padding:0},
+				backColor:'none',
+				selectColor:'none',
+				border:true,
+				borderColor:'#00F',
+				borderWidth:1,
+				borderDash:[5,8],
+				textAlign:'right',
+				vertAlign:'middle',
+				maxLines:1,
+				fontSize:32,
+				selectable:true,
+				zIndex:draw.zIndex,
+				pointerCanvas:draw.cursorCanvas
+			});
+			//leftInput.drawPath = draw.path[draw.path.length-1];
+			
+			var rightInput = createMathsInput2({
+				left:250-draw.drawRelPos[0],
+				top:200-draw.drawRelPos[1],
+				width:800,
+				height:2*draw.drawArea[3],
+				varSize:{minWidth:30,maxWidth:800,minHeight:50,maxHeight:50,padding:0},
+				backColor:'none',
+				selectColor:'none',
+				border:true,
+				borderColor:'#00F',
+				borderWidth:1,
+				borderDash:[5,8],
+				textAlign:'left',
+				vertAlign:'middle',
+				maxLines:1,
+				fontSize:32,
+				selectable:true,
+				zIndex:draw.zIndex,
+				pointerCanvas:draw.cursorCanvas
+			});
+			//rightInput.drawPath = draw.path[draw.path.length-1];
+			
+			draw.path.push({obj:[{
+				type:'input',
+				thickness:4,
+				fillColor:'#FFF',
+				color:'#000',
+				left:100-draw.drawRelPos[0],
+				top:200-draw.drawRelPos[1],
+				width:150,
+				height:60,
+				text:['<<font:Arial>><<fontSize:32>><<align:center>>input'],
+				leftText:[],
+				rightText:[],
+				edit:true,
+				mathsInput:mInput,
+				leftInput:leftInput,
+				rightInput:rightInput,
+				backColor:'none',
+				selectColor:'none',
+				textAlign:'center',
+			}],selected:true,trigger:[]});
+			repositionPath(draw.path[draw.path.length-1]);	
+			changeDrawMode();
+			drawCanvasPaths();			
+		}		
+		draw.buttons.push(inputButton);
+	}
+	if (typeof object.grid == 'object') {
+		var buttonPos = object.grid.buttonPos || [1120,620];
+		var gridButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		gridButton.type = 'grid';
+		gridButton.draw = function() {
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',draw.buttonColor);
+			this.ctx.strokeStyle = '#666';
+			this.ctx.lineWidth = 1;
+			for (var i = 0; i < 9; i++) {
+				this.ctx.moveTo(10,10+i*35/8);
+				this.ctx.lineTo(45,10+i*35/8);
+			}
+			for (var i = 0; i < 9; i++) {
+				this.ctx.moveTo(10+i*35/8,10);
+				this.ctx.lineTo(10+i*35/8,45);
+			}
+			this.ctx.stroke();
+
+			drawArrow({ctx:this.ctx,startX:8,startY:55/2,finX:49,finY:55/2,lineWidth:2,arrowLength:4});
+			drawArrow({ctx:this.ctx,finY:6,startX:55/2,startY:47,finX:55/2,lineWidth:2,arrowLength:4});			
+		}
+		gridButton.click = function() {
+			draw.grid.add();
+		}		
+		draw.buttons.push(gridButton);
+	}	
+	if (typeof object.colorSelect == 'object') {
+		var colors = object.colorSelect.colors || ['#000','#999','#00F','#F00','#393','#F0F','#93C','#F60'];
+		var buttonPos = object.colorSelect.buttonPos || [1120,620];
+		var expandTo = object.colorSelect.expandTo || 'left';
+		var colorSelectButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		colorSelectButton.type = 'colorSelect';
+		colorSelectButton.colors = colors;
+		colorSelectButton.draw = function() {
+			var color = draw.buttonColor;
+			if (draw.colorSelectVisible == true) color = draw.buttonSelectedColor;
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',color);
+			for (var i = 0; i < 9; i++) {
+				this.ctx.fillStyle = this.colors[i] || '#FFF';
+				this.ctx.fillRect(12.5+10*(i%3),12.5+10*Math.floor(i/3),10,10);
+			}
+			this.ctx.strokeStyle = '#000';
+			this.ctx.lineWidth = 1;
+			this.ctx.strokeRect(12.5,12.5,30,30);			
+		}
+		colorSelectButton.click = function() {
+			draw.colorSelectVisible = !draw.colorSelectVisible;
+			if (draw.colorSelectVisible == true) {
+				for (var i = 0; i < draw.colorButtons.length; i++) {
+					showObj(draw.colorButtons[i],draw.colorButtons[i].data)
+				}
+				for (var i = 0; i < container.childNodes.length; i++) {
+					if (draw.colorButtons.indexOf(container.childNodes[i]) == -1) {
+						addListenerStart(container.childNodes[i],colorSelectClose);
+					}
+				}				
+			} else {
+				for (var i = 0; i < draw.colorButtons.length; i++) {
+					hideObj(draw.colorButtons[i],draw.colorButtons[i].data)
+				}
+				for (var i = 0; i < container.childNodes.length; i++) {
+					if (draw.colorButtons.indexOf(container.childNodes[i]) == -1) {
+						removeListenerStart(container.childNodes[i],colorSelectClose);
+					}
+				}								
+			}			
+		}		
+		draw.buttons.push(colorSelectButton);
+		switch (expandTo) {
+			case 'left':
+				var left = buttonPos[0] - 125;
+				var top = buttonPos[1] + 17.5 - 100;
+				break;
+			case 'top':
+				var left = buttonPos[0] - 32.5;
+				var top = buttonPos[1] - 225;		
+				break;
+			case 'right':
+				var left = buttonPos[0] + 60;
+				var top = buttonPos[1] + 17.5 - 100;		
+				break;
+			case 'bottom':
+				var left = buttonPos[0] - 32.5;
+				var top = buttonPos[1] + 60;		
+				break;
+		}
+		var colorBackButton = createCanvas(left,top,120,220,false,false,false,draw.drawButtonZIndex);
+		colorBackButton.isStaticMenuCanvas = true;					
+		roundedRect(colorBackButton.getContext('2d'),3,3,114,214,8,6,'#000',draw.buttonColor);
+		draw.colorButtons.push(colorBackButton);
+		for (var i = 0; i < colors.length; i++) {
+			var left2 = left + 10 + 50 * (i % 2);
+			var top2 = top + 10 + 50 * Math.floor(i / 2);	
+			var colorButton = createCanvas(left2,top2,50,50,false,false,true,draw.drawButtonZIndex);
+			colorButton.isStaticMenuCanvas = true;		
+			colorButton.color = colors[i];
+			colorButton.ctx.lineCap = 'round';
+			colorButton.ctx.lineJoin = 'round';
+			colorButton.ctx.lineWidth = 4;
+			colorButton.ctx.strokeStyle = '#000';		
+			colorButton.ctx.fillStyle = colors[i];
+			colorButton.ctx.fillRect(0,0,50,50);
+			colorButton.ctx.strokeRect(0,0,50,50);
+			addListener(colorButton,function() {
+				draw.color = this.color;
+				//changeDrawMode();
+				//redrawButtons();
+				draw.cursors.update();
+				recalcRulerValues(); // updates the ruler edge draw cursors				
+				for (var i = 0; i < draw.path.length; i++) {
+					if (draw.path[i].selected == true) {
+						for (var j = 0; j < draw.path[i].obj.length; j++) {
+							draw.path[i].obj[j].color = this.color;	
+							if (draw.path[i].obj[j].type == 'angle') {
+								draw.path[i].obj[j].lineColor = this.color;
+							}
+						}
+					}
+				}
+				drawCanvasPaths();
+			})
+			draw.colorButtons.push(colorButton);
+		}
+	}
+	if (typeof object.thicknessSelect == 'object') {
+		var thicknesses = object.thicknessSelect.thicknessses || [1,3,5,7];
+		var buttonPos = object.thicknessSelect.buttonPos || [1120,620];
+		var expandTo = object.thicknessSelect.expandTo || 'left';
+		var thicknessSelectButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		thicknessSelectButton.type = 'thicknessSelect';
+		thicknessSelectButton.thicknesses = thicknesses;
+		thicknessSelectButton.draw = function() {
+			var color = draw.buttonColor;
+			if (draw.thicknessSelectVisible == true) color = draw.buttonSelectedColor;
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',color);
+			
+			this.ctx.strokeStyle = '#000';
+			this.ctx.lineCap = 'round';
+			this.ctx.lineJoin = 'round';
+			this.ctx.lineWidth = 1;
+			this.ctx.beginPath();
+			this.ctx.moveTo(10,12);
+			this.ctx.lineTo(45,12);
+			this.ctx.stroke();
+			this.ctx.lineWidth = 3;
+			this.ctx.beginPath();
+			this.ctx.moveTo(10.5,20);
+			this.ctx.lineTo(44.5,20);
+			this.ctx.stroke();		
+			this.ctx.lineWidth = 5;
+			this.ctx.beginPath();
+			this.ctx.moveTo(11,29);
+			this.ctx.lineTo(44,29);
+			this.ctx.stroke();	
+			this.ctx.lineWidth = 7;
+			this.ctx.beginPath();
+			this.ctx.moveTo(11.5,39);
+			this.ctx.lineTo(43.5,39);
+			this.ctx.stroke();			
+		}
+		thicknessSelectButton.click = function() {
+			draw.thicknessSelectVisible = !draw.thicknessSelectVisible;
+			if (draw.thicknessSelectVisible == true) {
+				for (var i = 0; i < draw.thicknessButtons.length; i++) {
+					showObj(draw.thicknessButtons[i],draw.thicknessButtons[i].data)
+				}
+				for (var i = 0; i < container.childNodes.length; i++) {
+					if (draw.thicknessButtons.indexOf(container.childNodes[i]) == -1) {
+						addListenerStart(container.childNodes[i],thicknessSelectClose);
+					}
+				}				
+			} else {
+				for (var i = 0; i < draw.thicknessButtons.length; i++) {
+					hideObj(draw.thicknessButtons[i],draw.thicknessButtons[i].data)
+				}	
+				for (var i = 0; i < container.childNodes.length; i++) {
+					if (draw.thicknessButtons.indexOf(container.childNodes[i]) == -1) {
+						removeListenerStart(container.childNodes[i],thicknessSelectClose);
+					}
+				}							
+			}			
+		}		
+		draw.buttons.push(thicknessSelectButton);
+		switch (expandTo) {
+			case 'left':
+				var left = buttonPos[0] - 125;
+				var top = buttonPos[1] + 17.5 - 100;
+				break;
+			case 'top':
+				var left = buttonPos[0] - 32.5;
+				var top = buttonPos[1] - 225;		
+				break;
+			case 'right':
+				var left = buttonPos[0] + 60;
+				var top = buttonPos[1] + 17.5 - 100;		
+				break;
+			case 'bottom':
+				var left = buttonPos[0] - 32.5;
+				var top = buttonPos[1] + 60;		
+				break;
+		}
+		var thicknessBackButton = createCanvas(left,top,120,220,false,false,false,draw.drawButtonZIndex);
+		thicknessBackButton.isStaticMenuCanvas = true;				
+		roundedRect(thicknessBackButton.getContext('2d'),3,3,114,214,8,6,'#000',draw.buttonColor);
+		draw.thicknessButtons.push(thicknessBackButton);
+		for (var i = 0; i < thicknesses.length; i++) {
+			var left2 = left + 10;
+			var top2 = top + 14 + 50*i - 2.5*i;	
+			var thicknessButton = createCanvas(left2,top2,100,50,false,false,true,draw.drawButtonZIndex);
+			thicknessButton.isStaticMenuCanvas = true;
+			thicknessButton.thickness = thicknesses[i];
+			addListener(thicknessButton,function() {
+				draw.thickness = this.thickness;
+				//changeDrawMode();			
+				redrawThicknessButtons();
+				//redrawButtons();
+				draw.cursors.update();
+				for (var i = 0; i < draw.path.length; i++) {
+					if (draw.path[i].selected == true) {
+						for (var j = 0; j < draw.path[i].obj.length; j++) {
+							draw.path[i].obj[j].thickness = this.thickness;
+							if (draw.path[i].obj[j].type == 'angle') {
+								draw.path[i].obj[j].lineWidth = this.thickness;
+							}							
+						}
+					}
+				}
+				drawCanvasPaths();				
+			})
+			draw.thicknessButtons.push(thicknessButton);
+		}
+		redrawThicknessButtons()
+	}	
+	if (typeof object.fillColorSelect == 'object') {
+		var colors = object.fillColorSelect.colors || ['#FF0','#F0F','#0FF','#CFC','#FCC','#CFF','#FCF','#FFC','#6F9','#000','#F00','#00F','#999','none'];
+		var buttonPos = object.fillColorSelect.buttonPos || [1120,620];
+		var expandTo = object.fillColorSelect.expandTo || 'left';
+		var fillColorSelectButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		fillColorSelectButton.type = 'fillColorSelect';
+		fillColorSelectButton.colors = colors;
+		fillColorSelectButton.draw = function() {
+			var color = draw.buttonColor;
+			if (draw.fillColorSelectVisible == true) color = draw.buttonSelectedColor;
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',color);
+			for (var i = 0; i < 9; i++) {
+				this.ctx.fillStyle = this.colors[i] || '#FFF';
+				this.ctx.fillRect(12.5+10*(i%3),12.5+10*Math.floor(i/3),10,10);
+			}
+			this.ctx.strokeStyle = '#000';
+			this.ctx.lineWidth = 1;
+			this.ctx.strokeRect(12.5,12.5,30,30);			
+		}
+		fillColorSelectButton.click = function() {
+			draw.fillColorSelectVisible = !draw.fillColorSelectVisible;
+			if (draw.fillColorSelectVisible == true) {
+				for (var i = 0; i < draw.fillColorButtons.length; i++) {
+					showObj(draw.fillColorButtons[i],draw.fillColorButtons[i].data)
+				}
+				for (var i = 0; i < container.childNodes.length; i++) {
+					if (draw.fillColorButtons.indexOf(container.childNodes[i]) == -1) {
+						addListenerStart(container.childNodes[i],fillColorSelectClose);
+					}
+				}				
+			} else {
+				for (var i = 0; i < draw.fillColorButtons.length; i++) {
+					hideObj(draw.fillColorButtons[i],draw.fillColorButtons[i].data)
+				}
+				for (var i = 0; i < container.childNodes.length; i++) {
+					if (draw.fillColorButtons.indexOf(container.childNodes[i]) == -1) {
+						removeListenerStart(container.childNodes[i],fillColorSelectClose);
+					}
+				}
+			}			
+		}			
+		draw.buttons.push(fillColorSelectButton);
+		switch (expandTo) {
+			case 'left':
+				var left = buttonPos[0] - 125;
+				var top = buttonPos[1] + 17.5 - 100;
+				break;
+			case 'top':
+				var left = buttonPos[0] - 32.5;
+				var top = buttonPos[1] - 225;		
+				break;
+			case 'right':
+				var left = buttonPos[0] + 60;
+				var top = buttonPos[1] + 17.5 - 100;		
+				break;
+			case 'bottom':
+				var left = buttonPos[0] - 32.5;
+				var top = buttonPos[1] + 60;		
+				break;
+		}
+		var colorBackButton = createCanvas(left,top,120,370,false,false,false,draw.drawButtonZIndex);
+		colorBackButton.isStaticMenuCanvas = true;
+		roundedRect(colorBackButton.getContext('2d'),3,3,114,364,8,6,'#000',draw.buttonColor);
+		draw.fillColorButtons.push(colorBackButton);
+		for (var i = 0; i < colors.length; i++) {
+			var left2 = left + 10 + 50 * (i % 2);
+			var top2 = top + 10 + 50 * Math.floor(i / 2);	
+			var colorButton = createCanvas(left2,top2,50,50,false,false,true,draw.drawButtonZIndex);
+			colorButton.isStaticMenuCanvas = true;
+			colorButton.color = colors[i];
+			colorButton.ctx.lineCap = 'round';
+			colorButton.ctx.lineJoin = 'round';
+			colorButton.ctx.lineWidth = 4;
+			colorButton.ctx.strokeStyle = '#000';
+			if (colors[i] == 'none') {
+				colorButton.ctx.fillStyle = mainCanvasFillStyle;
+				colorButton.ctx.fillRect(0,0,50,50);
+				colorButton.ctx.save();
+				colorButton.ctx.beginPath();
+				colorButton.ctx.moveTo(0,0);
+				colorButton.ctx.lineTo(50,50);
+				colorButton.ctx.moveTo(50,0);
+				colorButton.ctx.lineTo(0,50);
+				colorButton.ctx.lineWidth = 1;
+				colorButton.ctx.strokeStyle = '#000';
+				colorButton.ctx.stroke();
+				colorButton.ctx.restore();
+			} else {
+				colorButton.ctx.fillStyle = colors[i];
+				colorButton.ctx.fillRect(0,0,50,50);
+			}
+			colorButton.ctx.strokeRect(0,0,50,50);
+			addListener(colorButton,function() {
+				draw.fillColor = this.color;
+				//changeDrawMode();
+				//redrawButtons();
+				draw.cursors.update();
+				for (var i = 0; i < draw.path.length; i++) {
+					if (draw.path[i].selected == true) {
+						for (var j = 0; j < draw.path[i].obj.length; j++) {
+							draw.path[i].obj[j].fillColor = this.color;
+							if (draw.path[i].obj[j].type == 'angle') {
+								draw.path[i].obj[j].lineColor = this.lineColor;
+							}							
+						}
+					}
+				}
+				drawCanvasPaths();				
+			})
+			draw.fillColorButtons.push(colorButton);
+		}		
+	}
+	if (typeof object.drawStyle == 'object') {
+		var buttonPos = object.drawStyle.buttonPos || [1120,620];
+		var button = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		button.type = 'drawStyle';
+		button.draw = function() {
+			var color = draw.buttonColor;
+			if (draw.drawStyleSelectVisible == true) color = draw.buttonSelectedColor;
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',color);
+			
+			this.ctx.strokeStyle = '#000';
+			this.ctx.lineCap = 'round';
+			this.ctx.lineJoin = 'round';
+			this.ctx.lineWidth = 1;
+			this.ctx.beginPath();
+			this.ctx.moveTo(10,12);
+			this.ctx.lineTo(45,12);
+			this.ctx.stroke();
+			this.ctx.strokeStyle = '#00F';
+			this.ctx.lineWidth = 3;
+			this.ctx.beginPath();
+			this.ctx.moveTo(10.5,20);
+			this.ctx.lineTo(44.5,20);
+			this.ctx.stroke();		
+			this.ctx.strokeStyle = '#F00';
+			this.ctx.lineWidth = 5;
+			this.ctx.beginPath();
+			this.ctx.moveTo(11,29);
+			this.ctx.lineTo(44,29);
+			this.ctx.stroke();	
+			this.ctx.strokeStyle = '#393';
+			this.ctx.lineWidth = 7;
+			this.ctx.beginPath();
+			this.ctx.moveTo(11.5,39);
+			this.ctx.lineTo(43.5,39);
+			this.ctx.stroke();			
+		}
+		button.click = function() {
+			draw.drawStyleSelectVisible = !draw.drawStyleSelectVisible;
+			if (draw.drawStyleSelectVisible == true) {
+				changeDrawMode('drawStyle');
+				showObj(draw.drawStyleCanvas,draw.drawStyleCanvas.data);
+				//showMathsInput(draw.drawStyleCanvas.lineColorInput);
+				//showMathsInput(draw.drawStyleCanvas.fillColorInput);
+				//defaults
+				draw.drawStyleCanvas.lineWidth = 2;
+				draw.drawStyleCanvas.lineColor = '#000';
+				draw.drawStyleCanvas.lineDash = [0,0];
+				draw.drawStyleCanvas.fillColor = 'none';
+				draw.drawStyleCanvas.radius = 0;
+				draw.drawStyleCanvas.selected = [];
+				for (var p = 0; p < draw.path.length; p++) {
+					if (boolean(draw.path[p].selected,false) == true) {
+						draw.drawStyleCanvas.selected.push(p);
+					}
+				}
+				var found = false;
+				for (var s = 0; s < draw.drawStyleCanvas.selected.length; s++) {
+					if (found == true) break;
+					var path = draw.path[draw.drawStyleCanvas.selected[s]];
+					for (var o = 0; o < path.obj.length; o++) {
+						if (found == true) break;
+						var obj = path.obj[o];
+						if (!un(draw[obj.type])) {
+							found = true;
+							if (!un(draw[obj.type].getLineColor)) {
+								draw.drawStyleCanvas.lineColor = draw[obj.type].getLineColor(obj);
+							}
+							if (!un(draw[obj.type].getLineWidth)) {
+								draw.drawStyleCanvas.lineWidth = draw[obj.type].getLineWidth(obj);
+							}
+							if (!un(draw[obj.type].getLineDash)) {
+								draw.drawStyleCanvas.lineDash = draw[obj.type].getLineDash(obj);
+							}
+							if (!un(draw[obj.type].getFillColor)) {
+								draw.drawStyleCanvas.fillColor = draw[obj.type].getFillColor(obj);
+							}
+							if (!un(draw[obj.type].getRadius)) {
+								draw.drawStyleCanvas.radius = draw[obj.type].getRadius(obj);
+							}
+							break;
+						}
+						if (['pen','line','circle','ellipse','rect','square','arc','curve','curve2','polygon'].indexOf(obj.type) > -1) {
+							found = true;
+							draw.drawStyleCanvas.lineWidth = obj.thickness || 2;
+							draw.drawStyleCanvas.lineColor = obj.color || '#000';
+							draw.drawStyleCanvas.lineDash = obj.dash || [0,0];
+							draw.drawStyleCanvas.fillColor = obj.fillColor || 'none';
+							draw.drawStyleCanvas.radius = obj.radius || 0;
+						}
+						if (['table2'].indexOf(obj.type) > -1) {
+								for (var r = 0; r < obj.cells.length; r++) {
+									for (var c = 0; c < obj.cells[r].length; c++) {
+										var cell = obj.cells[r][c];
+										if (cell.selected == true) {
+											if (found == true) break;
+											if (!un(cell.box)) {
+												found = true;
+												draw.drawStyleCanvas.lineWidth = cell.box.lineWidth || 2;
+												draw.drawStyleCanvas.lineColor = cell.box.lineColor || '#000';
+												draw.drawStyleCanvas.lineDash = cell.box.dash || [0,0];
+												draw.drawStyleCanvas.fillColor = cell.box.fillColor || cell.box.color || 'none';
+												draw.drawStyleCanvas.radius = cell.box.radius || 0;
+											}
+										}
+									}
+								}
+							}
+					}
+				}
+				if (found == false) {
+					draw.drawStyleCanvas.lineWidth = draw.thickness;
+					draw.drawStyleCanvas.lineColor = draw.color;
+					draw.drawStyleCanvas.lineDash = draw.dash || [0,0];
+					draw.drawStyleCanvas.fillColor = draw.fillColor;
+					draw.drawStyleCanvas.radius = draw.radius || 0;
+				}
+				draw.drawStyleCanvas.draw();
+				addListenerMove(draw.drawStyleCanvas,draw.drawStyleCanvas.move);
+				addListener(draw.drawStyleCanvas,draw.drawStyleCanvas.click);
+				addListener(window,draw.drawStyleCanvas.close);
+			} else {
+				changeDrawMode();
+				hideObj(draw.drawStyleCanvas,draw.drawStyleCanvas.data);
+				//hideMathsInput(draw.drawStyleCanvas.lineColorInput);
+				//hideMathsInput(draw.drawStyleCanvas.fillColorInput);
+				removeListenerMove(draw.drawStyleCanvas,draw.drawStyleCanvas.move);
+				removeListener(draw.drawStyleCanvas,draw.drawStyleCanvas.click);
+				removeListener(window,draw.drawStyleCanvas.close);
+			}			
+		}
+		draw.buttons.push(button);
+		draw.dash = [0,0];
+		
+		var left = buttonPos[0];
+		var top = buttonPos[1]+53;
+		var drawStyleCanvas = createCanvas(left,top,200,400,false,false,true,zIndex+1001000);
+		drawStyleCanvas.isStaticMenuCanvas = true;	
+		drawStyleCanvas.selected = -1;
+		drawStyleCanvas.button = button;
+		draw.drawStyleCanvas = drawStyleCanvas;
+		draw.drawStyleSelectVisible = false;
+		
+		drawStyleCanvas.lineColors = [
+			['none','#000','#666','#FFF','#060','#393','#6F9','#09F'],
+			['#F60','#F90','#FF0','#F0F','#0FF','#0F0','#00F','#F00'],
+			['#990','#630','#FF6','#F6F','#6FF','#6F6','#66F','#F66'],
+			['#90F','#309','#FFC','#FCF','#CFF','#CFC','#CCF','#FCC']
+		];
+		drawStyleCanvas.fillColors = [
+			['none','#000','#666','#FFF','#060','#393','#6F9','#09F'],
+			['#FFF8FA','#F90','#FF0','#F0F','#0FF','#0F0','#00F','#F00'],
+			['#E5F8E5','#630','#FF6','#F6F','#6FF','#6F6','#66F','#F66'],
+			['#E1F6FE','#309','#FFC','#FCF','#CFF','#CFC','#CCF','#FCC']
+		];
+		/*
+		drawStyleCanvas.lineColorInput = createMathsInput2({left:left+200-110,top:top+60,width:100,height:20,border:true,fontSize:18,transparent:true,backColor:'#FFC',selectColor:'#FFC',zIndex:zIndex+1001001,visible:false});
+		drawStyleCanvas.lineColorInput.onInputEnd = function() {
+			var str = replaceAll(this.stringJS,'*','');
+			var re = new RegExp("^#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})$");
+			if (str == 'none' || re.test(str) == true) {
+				for (var s = 0; s < draw.drawStyleCanvas.selected.length; s++) {
+					var p = draw.drawStyleCanvas.selected[s];
+					for (var o = 0; o < draw.path[p].obj.length; o++) {
+						if (['pen','line','circle','ellipse','rect','square','arc','curve','curve2','polygon','button','text'].indexOf(draw.path[p].obj[o].type) > -1) {
+							draw.path[p].obj[o].color = str;
+						}
+					}
+				}
+				draw.color = str;
+				draw.drawStyleCanvas.lineColor = str;
+				drawCanvasPaths();
+				redrawButtons();
+				draw.drawStyleCanvas.draw();				
+			}
+		}
+		drawStyleCanvas.fillColorInput = createMathsInput2({left:left+200-110,top:top+175+4*22.5,width:100,height:20,border:true,fontSize:18,transparent:true,backColor:'#FFC',selectColor:'#FFC',zIndex:zIndex+1001001,visible:false});
+		drawStyleCanvas.fillColorInput.onInputEnd = function() {
+			var str = replaceAll(this.stringJS,'*','');
+			var re = new RegExp("^#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})$");
+			if (str == 'none' || re.test(str) == true) {
+				for (var s = 0; s < draw.drawStyleCanvas.selected.length; s++) {
+					var p = draw.drawStyleCanvas.selected[s];
+					for (var o = 0; o < draw.path[p].obj.length; o++) {
+						if (['pen','line','circle','ellipse','rect','square','arc','curve','curve2','polygon','button','text'].indexOf(draw.path[p].obj[o].type) > -1) {
+							draw.path[p].obj[o].fillColor = str;
+						}
+					}
+				}
+				draw.fillColor = str;
+				draw.drawStyleCanvas.fillColor = str;
+				drawCanvasPaths();
+				redrawButtons();
+				draw.drawStyleCanvas.draw();				
+			}		
+		}*/
+		drawStyleCanvas.cursorPos = [];
+		drawStyleCanvas.cursorIndex = -1;
+		drawStyleCanvas.left = left;
+		drawStyleCanvas.top = top;
+		drawStyleCanvas.draw = function() {
+			//setMathsInputText(draw.drawStyleCanvas.lineColorInput,draw.color);
+			//setMathsInputText(draw.drawStyleCanvas.fillColorInput,draw.fillColor);
+			
+			var ctx = this.ctx;
+			roundedRect(ctx,3,3,this.data[102]-6,this.data[103]-6,8,6,'#000','#FFC');
+			this.cursorPos = [];
+			
+			var left = this.left;
+			var top = this.top;
+			var t = 20;
+			//console.log(this.lineColor,this.lineWidth,this.lineDash,this.fillColor,this.radius);
+			
+			var rad = Math.min(this.radius,15);
+			roundedRect(ctx,20,t,this.data[102]-40,30,rad,this.lineWidth,this.lineColor,this.lineDash);
+			
+			t += 40;
+			text({context:ctx,textArray:['<<fontSize:18>>Line'],left:10,top:t,width:this.data[102]-20,height:50,textAlign:'left'});
+			t += 30;
+			roundedRect(ctx,10,t,22.5,22.5,0,2,'#000');
+			roundedRect(ctx,210,t,22.5,22.5,0,2,'#000');
+			ctx.beginPath();
+			ctx.strokeStyle = '#000';
+			ctx.lineWidth = 2;
+			ctx.moveTo(10,t);
+			ctx.lineTo(32.5,t+22.5);
+			ctx.moveTo(32.5,t);
+			ctx.lineTo(10,t+22.5);
+			ctx.moveTo(210,t);
+			ctx.lineTo(232.5,t+22.5);
+			ctx.moveTo(232.5,t);
+			ctx.lineTo(210,t+22.5);			
+			ctx.stroke();			
+			for (var r = 0; r < this.lineColors.length; r++) {
+				for (var c = 0; c < this.lineColors[r].length; c++) {
+					this.cursorPos.push({rect:[left+10+22.5*c,top+90+22.5*r,22.5,22.5],cursor:'pointer',color:this.lineColors[r][c],type:'lineColor'});
+					if (this.lineColors[r][c] == 'none') continue;
+					roundedRect(ctx,10+22.5*c,90+22.5*r,22.5,22.5,0,2,'#000',this.lineColors[r][c]);
+				}
+			}
+			
+			var t = 90+4*22.5+15;
+			text({context:ctx,textArray:['<<fontSize:30>>-'],left:10,top:t,width:25,height:25,textAlign:'center',vertAlign:'middle',box:{color:'#FCF',borderWidth:2}});
+			text({context:ctx,textArray:['<<fontSize:30>>+'],left:35,top:t,width:25,height:25,textAlign:'center',vertAlign:'middle',box:{color:'#FCF',borderWidth:2}});
+			text({context:ctx,textArray:['<<fontSize:16>>width '+this.lineWidth],left:5,top:t+30,width:60,height:30,textAlign:'center'});
+			this.cursorPos.push({rect:[left+10,top+t,25,25],cursor:'pointer',diff:-1,type:'lineWidth'});
+			this.cursorPos.push({rect:[left+35,top+t,25,25],cursor:'pointer',diff:1,type:'lineWidth'});
+			
+			text({context:ctx,textArray:['<<fontSize:30>>-'],left:75,top:t,width:25,height:25,textAlign:'center',vertAlign:'middle',box:{color:'#FCF',borderWidth:2}});
+			text({context:ctx,textArray:['<<fontSize:30>>+'],left:100,top:t,width:25,height:25,textAlign:'center',vertAlign:'middle',box:{color:'#FCF',borderWidth:2}});
+			text({context:ctx,textArray:['<<fontSize:16>>dash '+this.lineDash[0]],left:70,top:t+30,width:60,height:30,textAlign:'center'});
+			this.cursorPos.push({rect:[left+75,top+t,25,25],cursor:'pointer',diff:-5,type:'lineDash'});
+			this.cursorPos.push({rect:[left+100,top+t,25,25],cursor:'pointer',diff:5,type:'lineDash'});
+			
+			text({context:ctx,textArray:['<<fontSize:30>>-'],left:140,top:t,width:25,height:25,textAlign:'center',vertAlign:'middle',box:{color:'#FCF',borderWidth:2}});
+			text({context:ctx,textArray:['<<fontSize:30>>+'],left:165,top:t,width:25,height:25,textAlign:'center',vertAlign:'middle',box:{color:'#FCF',borderWidth:2}});
+			text({context:ctx,textArray:['<<fontSize:16>>rad '+this.radius],left:135,top:t+30,width:60,height:30,textAlign:'center'});			
+			this.cursorPos.push({rect:[left+140,top+t,25,25],cursor:'pointer',diff:-5,type:'radius'});
+			this.cursorPos.push({rect:[left+165,top+t,25,25],cursor:'pointer',diff:5,type:'radius'});
+			
+			t += 60;
+			ctx.strokeStyle = '#000';
+			ctx.lineWidth = 2;
+			ctx.setLineDash([]);
+			ctx.beginPath();
+			ctx.moveTo(10,t);
+			ctx.lineTo(this.data[102]-10,t);
+			ctx.stroke();
+			
+			t += 10;
+			text({context:ctx,textArray:['<<fontSize:18>>Fill'],left:10,top:t,width:this.data[102]-20,height:50,textAlign:'left'});
+			
+			t += 30;
+			// draw color buttons
+			roundedRect(ctx,10,t,22.5,22.5,0,2,'#000');
+			roundedRect(ctx,210,t,22.5,22.5,0,2,'#000');
+			ctx.beginPath();
+			ctx.strokeStyle = '#000';
+			ctx.lineWidth = 2;
+			ctx.moveTo(10,t);
+			ctx.lineTo(32.5,t+22.5);
+			ctx.moveTo(32.5,t);
+			ctx.lineTo(10,t+22.5);
+			ctx.moveTo(210,t);
+			ctx.lineTo(232.5,t+22.5);
+			ctx.moveTo(232.5,t);
+			ctx.lineTo(210,t+22.5);			
+			ctx.stroke();
+			for (var r = 0; r < this.fillColors.length; r++) {
+				for (var c = 0; c < this.fillColors[r].length; c++) {
+					this.cursorPos.push({rect:[left+10+22.5*c,top+t+22.5*r,22.5,22.5],cursor:'pointer',color:this.fillColors[r][c],type:'fillColor'});
+					if (this.fillColors[r][c] == 'none') continue;
+					roundedRect(ctx,10+22.5*c,t+22.5*r,22.5,22.5,0,2,'#000',this.fillColors[r][c]);
+				}
+			}
+		}
+		drawStyleCanvas.move = function(e) {
+			updateMouse(e);
+			if (typeof this.cursorPos !== 'undefined') {
+				for (var c = 0; c < this.cursorPos.length; c++) {
+					var pos = this.cursorPos[c];
+					if (mouseHitRect(pos.rect[0],pos.rect[1],pos.rect[2],pos.rect[3])) {
+						this.style.cursor = pos.cursor;
+						this.cursorIndex = c;
+						return;
+					}
+				}
+			}
+			this.cursorIndex = -1;
+			this.style.cursor = 'default';
+		}
+		drawStyleCanvas.click = function(e) {
+			if (this.cursorIndex == -1) return;
+			var pos = this.cursorPos[this.cursorIndex];
+			switch (pos.type) {
+				case 'lineColor':
+					for (var s = 0; s < this.selected.length; s++) {
+						var p = this.selected[s];
+						for (var o = 0; o < draw.path[p].obj.length; o++) {
+							var obj = draw.path[p].obj[o];
+							if (!un(draw[obj.type]) && !un(draw[obj.type].setLineColor)) {
+								draw[obj.type].setLineColor(obj,pos.color);
+								continue;
+							}
+							if (['pen','line','circle','ellipse','rect','square','arc','curve','curve2','polygon','text','simpleGrid'].indexOf(obj.type) > -1) {
+								obj.color = pos.color;
+							}
+							if (['angle'].indexOf(obj.type) > -1) {
+								obj.lineColor = pos.color;
+							}
+							if (['table2'].indexOf(obj.type) > -1) {
+								var selCount = draw.table2.countSelectedCells(obj);
+								var cells = selCount == 0 ? draw.table2.getAllCells(obj) : draw.table2.getSelectedCells(obj);
+								for (var c = 0; c < cells.length; c++) {
+									var cell = cells[c];
+									if (!un(cell.box)) {
+										cell.box.borderColor = pos.color;
+									} else {
+										if (pos.color !== 'none') {
+											cell.box = {
+												color:'none',
+												borderColor:pos.color,
+												borderWidth:3,
+												borderRadius:0,
+												show:true
+											}
+										}
+									}
+								}
+							}
+						}
+					}
+					draw.color = pos.color;
+					this.lineColor = pos.color;
+					break;
+				case 'fillColor':
+					for (var s = 0; s < this.selected.length; s++) {
+						var p = this.selected[s];
+						for (var o = 0; o < draw.path[p].obj.length; o++) {
+							var obj = draw.path[p].obj[o];
+							if (!un(draw[obj.type]) && !un(draw[obj.type].setFillColor)) {
+								draw[obj.type].setFillColor(obj,pos.color);
+								continue;
+							}
+							if (['pen','line','circle','ellipse','rect','square','arc','curve','curve2','polygon','text','angle'].indexOf(obj.type) > -1) {
+								obj.fillColor = pos.color;
+							}
+							if (['table2'].indexOf(obj.type) > -1) {
+								var selCount = draw.table2.countSelectedCells(obj);
+								var cells = selCount == 0 ? draw.table2.getAllCells(obj) : draw.table2.getSelectedCells(obj);
+								for (var c = 0; c < cells.length; c++) {
+									var cell = cells[c];
+									if (!un(cell.box)) {
+										cell.box.color = pos.color;
+									} else {
+										if (pos.color !== 'none') {
+											cell.box = {
+												color:pos.color,
+												lineColor:'none',
+												borderWidth:3,
+												borderRadius:0,
+												show:true
+											}
+										}
+									}
+								}
+							}
+						}
+					}
+					draw.fillColor = pos.color;
+					this.fillColor = pos.color;
+					break;
+				case 'lineWidth':
+					this.lineWidth += pos.diff;
+					if (this.lineWidth < 1) this.lineWidth = 1;
+					for (var s = 0; s < this.selected.length; s++) {
+						var p = this.selected[s];
+						for (var o = 0; o < draw.path[p].obj.length; o++) {
+							var obj = draw.path[p].obj[o];
+							if (!un(draw[obj.type]) && !un(draw[obj.type].setLineWidth)) {
+								draw[obj.type].setLineWidth(obj,this.lineWidth);
+								continue;
+							}
+							if (['pen','line','circle','ellipse','rect','square','arc','curve','curve2','polygon','button','text','anglesAroundPoint','simpleGrid'].indexOf(obj.type) > -1) {							
+								obj.thickness = this.lineWidth;
+							}
+							if (['angle'].indexOf(obj.type) > -1) {
+								obj.lineWidth = this.lineWidth;
+							}
+							if (['table2'].indexOf(obj.type) > -1) {
+								var selCount = draw.table2.countSelectedCells(obj);
+								var cells = selCount == 0 ? draw.table2.getAllCells(obj) : draw.table2.getSelectedCells(obj);
+								for (var c = 0; c < cells.length; c++) {
+									var cell = cells[c];
+									if (!un(cell.box)) cell.box.borderWidth = this.lineWidth;
+								}
+							}
+						}
+					}
+					draw.thickness = this.lineWidth;
+					break;
+				case 'lineDash':
+					this.lineDash[0] += pos.diff;
+					this.lineDash[1] += pos.diff;
+					if (this.lineDash[0] < 0) this.lineDash[0] = 0;
+					if (this.lineDash[1] < 0) this.lineDash[0] = 0;
+					for (var s = 0; s < this.selected.length; s++) {
+						var p = this.selected[s];
+						for (var o = 0; o < draw.path[p].obj.length; o++) {
+							var obj = draw.path[p].obj[o];
+							if (!un(draw[obj.type]) && !un(draw[obj.type].setLineDash)) {
+								draw[obj.type].setLineDash(obj,clone(this.lineDash));
+							} else if (['pen','line','circle','ellipse','rect','square','arc','curve','curve2','polygon','button','text'].indexOf(obj.type) > -1) {
+								obj.dash = clone(this.lineDash);
+							} else if (['table2'].indexOf(obj.type) > -1) {
+								var selCount = draw.table2.countSelectedCells(obj);
+								var cells = selCount == 0 ? draw.table2.getAllCells(obj) : draw.table2.getSelectedCells(obj);
+								for (var c = 0; c < cells.length; c++) {
+									var cell = cells[c];
+									if (!un(cell.box)) cell.box.dash = clone(this.lineDash);
+								}
+							}
+						}
+					}
+					draw.dash = clone(this.lineDash);
+					break;
+				case 'radius':
+					this.radius += pos.diff;
+					if (this.radius < 0) this.radius = 0;					
+					for (var s = 0; s < this.selected.length; s++) {
+						var p = this.selected[s];
+						for (var o = 0; o < draw.path[p].obj.length; o++) {
+							var obj = draw.path[p].obj[o];
+							if (!un(draw[obj.type]) && !un(draw[obj.type].setRadius)) {
+								draw[obj.type].setRadius(obj,clone(this.radius));
+								continue;
+							}
+							if (['text'].indexOf(obj.type) > -1) {
+								obj.radius = clone(this.radius);
+							}
+							if (['table2'].indexOf(obj.type) > -1) {
+								var selCount = draw.table2.countSelectedCells(obj);
+								var cells = selCount == 0 ? draw.table2.getAllCells(obj) : draw.table2.getSelectedCells(obj);
+								for (var c = 0; c < cells.length; c++) {
+									var cell = cells[c];
+									if (!un(cell.box)) {
+										cell.box.radius = this.radius;
+									} else {
+										if (pos.color !== 'none') {
+											cell.box = {
+												fillColor:'none',
+												lineColor:'#000',
+												borderWidth:3,
+												radius:this.radius,
+												show:true
+											}
+										}
+									}
+								}
+							}	
+						}
+					}
+					draw.radius = clone(this.radius);
+					break;
+			}
+			drawCanvasPaths();
+			redrawButtons();
+			this.draw();
+		}
+		drawStyleCanvas.close = function(e) {
+			if (e.target == draw.drawStyleCanvas) return;
+			if (e.target == draw.drawStyleCanvas.button) return;
+			//if (e.target == draw.drawStyleCanvas.lineColorInput.cursorCanvas) return;
+			//if (e.target == draw.drawStyleCanvas.fillColorInput.cursorCanvas) return;
+			draw.drawStyleSelectVisible = false;
+			changeDrawMode();
+			redrawButtons();
+			hideObj(draw.drawStyleCanvas,draw.drawStyleCanvas.data);
+			//hideMathsInput(draw.drawStyleCanvas.lineColorInput);
+			//hideMathsInput(draw.drawStyleCanvas.fillColorInput);
+			removeListenerMove(draw.drawStyleCanvas,draw.drawStyleCanvas.move);
+			removeListener(draw.drawStyleCanvas,draw.drawStyleCanvas.click);
+			removeListener(window,draw.drawStyleCanvas.close);			
+		}
+	}
+	if (typeof object.align == 'object') {
+		var buttonPos = object.align.buttonPos || [1120,620];
+		var button = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		button.type = 'align';
+		button.draw = function() {
+			var color = draw.buttonColor;
+			if (draw.alignSelectVisible == true) color = draw.buttonSelectedColor;
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',color);
+			text({context:this.ctx,left:0,width:55,top:15,textArray:['<<font:Arial>><<fontSize:14>><<align:center>>ALIGN']});			
+		}
+		button.click = function() {
+			draw.alignSelectVisible = !draw.alignSelectVisible;
+			if (draw.alignSelectVisible == true) {
+				changeDrawMode('align');
+				showObj(draw.alignCanvas,draw.alignCanvas.data);
+				draw.alignCanvas.draw();
+				addListenerMove(draw.alignCanvas,draw.alignCanvas.move);
+				addListener(draw.alignCanvas,draw.alignCanvas.click);
+				addListener(window,draw.alignCanvas.close);
+			} else {
+				changeDrawMode();
+				hideObj(draw.alignCanvas,draw.alignCanvas.data);
+				removeListenerMove(draw.alignCanvas,draw.alignCanvas.move);
+				removeListener(draw.alignCanvas,draw.alignCanvas.click);
+				removeListener(window,draw.alignCanvas.close);
+			}			
+		}
+		draw.buttons.push(button);
+		
+		var left = buttonPos[0];
+		var top = buttonPos[1]+53;
+		var alignCanvas = createCanvas(left,top,170,170,false,false,true,zIndex+1001000);
+		alignCanvas.isStaticMenuCanvas = true;	
+		alignCanvas.selected = -1;
+		alignCanvas.button = button;
+		draw.alignCanvas = alignCanvas;
+		draw.alignSelectVisible = false;
+		
+		alignCanvas.cursorPos = [];
+		alignCanvas.cursorIndex = -1;
+		alignCanvas.left = left;
+		alignCanvas.top = top;
+		alignCanvas.draw = function() {
+			var ctx = this.ctx;
+			roundedRect(ctx,3,3,this.data[102]-6,this.data[103]-6,8,6,'#000','#FFC');
+			this.cursorPos = [];
+			
+			var left = this.left;
+			var top = this.top;
+			
+			text({context:ctx,textArray:['<<fontSize:14>>Left'],left:10,top:10,width:50,height:50,textAlign:'center',vertAlign:'middle',box:{color:'#CFC',borderWidth:2}});
+			text({context:ctx,textArray:['<<fontSize:14>>Center'],left:60,top:10,width:50,height:50,textAlign:'center',vertAlign:'middle',box:{color:'#CFC',borderWidth:2}});
+			text({context:ctx,textArray:['<<fontSize:14>>Right'],left:110,top:10,width:50,height:50,textAlign:'center',vertAlign:'middle',box:{color:'#CFC',borderWidth:2}});
+			
+			text({context:ctx,textArray:['<<fontSize:14>>Top'],left:10,top:60,width:50,height:50,textAlign:'center',vertAlign:'middle',box:{color:'#CFC',borderWidth:2}});
+			text({context:ctx,textArray:['<<fontSize:14>>Middle'],left:60,top:60,width:50,height:50,textAlign:'center',vertAlign:'middle',box:{color:'#CFC',borderWidth:2}});
+			text({context:ctx,textArray:['<<fontSize:14>>Bottom'],left:110,top:60,width:50,height:50,textAlign:'center',vertAlign:'middle',box:{color:'#CFC',borderWidth:2}});
+			
+			text({context:ctx,textArray:['<<fontSize:14>>to margin (left)'],left:10,top:110,width:150,height:50,textAlign:'center',vertAlign:'middle',box:{color:'#CFC',borderWidth:2}});
+			
+			this.cursorPos.push({rect:[left+10,top+10,50,50],cursor:'pointer',type:'left'});
+			this.cursorPos.push({rect:[left+60,top+10,50,50],cursor:'pointer',type:'center'});
+			this.cursorPos.push({rect:[left+110,top+10,50,50],cursor:'pointer',type:'right'});
+			this.cursorPos.push({rect:[left+10,top+60,50,50],cursor:'pointer',type:'top'});
+			this.cursorPos.push({rect:[left+60,top+60,50,50],cursor:'pointer',type:'middle'});
+			this.cursorPos.push({rect:[left+110,top+60,50,50],cursor:'pointer',type:'bottom'});
+			this.cursorPos.push({rect:[left+10,top+110,150,50],cursor:'pointer',type:'toMargin'});
+		}
+		alignCanvas.move = function(e) {
+			updateMouse(e);
+			if (typeof this.cursorPos !== 'undefined') {
+				for (var c = 0; c < this.cursorPos.length; c++) {
+					var pos =this.cursorPos[c];
+					if (mouseHitRect(pos.rect[0],pos.rect[1],pos.rect[2],pos.rect[3])) {
+						this.style.cursor = pos.cursor;
+						this.cursorIndex = c;
+						return;
+					}
+				}
+			}			
+			this.cursorIndex = -1;
+			this.style.cursor = 'default';
+		}
+		alignCanvas.click = function(e) {
+			if (this.cursorIndex == -1) return;
+			var pos = this.cursorPos[this.cursorIndex];
+			if (pos.type == 'toMargin') {
+				snapToMargin();
+			} else {
+				alignPaths(pos.type);
+			}
+		}
+		alignCanvas.close = function(e) {
+			if (e.target == draw.alignCanvas) return;
+			if (e.target == draw.alignCanvas.button) return;
+			draw.alignSelectVisible = false;
+			changeDrawMode();
+			redrawButtons();
+			hideObj(draw.alignCanvas,draw.alignCanvas.data);
+			removeListenerMove(draw.alignCanvas,draw.alignCanvas.move);
+			removeListener(draw.alignCanvas,draw.alignCanvas.click);
+			removeListener(window,draw.alignCanvas.close);			
+		}
+	}	
+	if (typeof object.save == 'object') {
+		var buttonPos = object.save.buttonPos || [1120,620];
+		var saveButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		saveButton.type = 'save';
+		saveButton.draw = function() {
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',draw.buttonColor);
+			text({context:this.ctx,left:0,width:55,top:15,textArray:['<<font:Arial>><<fontSize:16>><<align:center>>SAVE']});				
+		}
+		saveButton.click = function() {
+			var filename = prompt("Please enter filename", "file");
+			saveDrawPaths(filename);		
+		}		
+		draw.buttons.push(saveButton);
+	}
+	if (typeof object.load == 'object') {
+		var buttonPos = object.load.buttonPos || [1120,620];
+		var loadButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		loadButton.type = 'load';
+		loadButton.draw = function() {
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',draw.buttonColor);
+			text({context:this.ctx,left:0,width:55,top:15,textArray:['<<font:Arial>><<fontSize:16>><<align:center>>LOAD']});				
+		}
+		loadButton.click = function() {
+			loadDrawPaths();			
+		}		
+		draw.buttons.push(loadButton);
+	}
+	if (typeof object.png == 'object') {
+		var buttonPos = object.png.buttonPos || [1120,620];
+		var pngButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		pngButton.type = 'png';
+		pngButton.draw = function() {
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',draw.buttonColor);
+			text({context:this.ctx,left:0,width:55,top:15,textArray:['<<font:Arial>><<fontSize:20>><<align:center>>PNG']});			
+		}
+		pngButton.click = function() {
+			var filename = Number(prompt("Scale Factor", "2"));
+			png(filename);			
+		}		
+		draw.buttons.push(pngButton);
+	}
+	if (typeof object.pdf == 'object') {
+		var buttonPos = object.pdf.buttonPos || [1120,620];
+		var pdfButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		pdfButton.type = 'pdf';
+		pdfButton.draw = function() {
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',draw.buttonColor);
+			text({context:this.ctx,left:0,width:55,top:15,textArray:['<<font:Arial>><<fontSize:20>><<align:center>>PDF']});			
+		}
+		pdfButton.click = function() {
+			var filename = prompt("Please enter filename", "file");
+			pdf(filename);			
+		}		
+		draw.buttons.push(pdfButton);
+	}
+	if (typeof object.js == 'object') {
+		var buttonPos = object.js.buttonPos || [1120,620];
+		var jsButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		jsButton.type = 'js';
+		jsButton.draw = function() {
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',draw.buttonColor);
+			text({context:this.ctx,left:0,width:55,top:15,textArray:['<<font:Arial>><<fontSize:20>><<align:center>>JS']});			
+		}
+		jsButton.click = function() {
+			preview();			
+		}		
+		draw.buttons.push(jsButton);
+	}
+	if (typeof object.simpleGrid == 'object') {
+		var buttonPos = object.simpleGrid.buttonPos || [1120,620];
+		var simpleGridButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		simpleGridButton.type = 'simpleGrid';
+		simpleGridButton.draw = function() {
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',draw.buttonColor);
+			this.ctx.strokeStyle = '#000';
+			this.ctx.lineWidth = 1;
+			for (var i = 12.5; i <= 42.5; i += 10) {
+				this.ctx.moveTo(i,12.5);
+				this.ctx.lineTo(i,42.5);
+				this.ctx.moveTo(12.5,i);
+				this.ctx.lineTo(42.5,i);	
+			}
+			this.ctx.stroke();
+		}
+		simpleGridButton.click = function() {
+			draw.simpleGrid.add(10,10,30);
+		}		
+		draw.buttons.push(simpleGridButton);
+	}
+	if (typeof object.dotGrid == 'object') {
+		var buttonPos = object.dotGrid.buttonPos || [1120,620];
+		var dotGridButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		dotGridButton.type = 'simpleGrid';
+		dotGridButton.draw = function() {
+			roundedRect(this.ctx,3,3,49,49,8,6,'#000',draw.buttonColor);
+			this.ctx.fillStyle = '#000';
+			for (var i = 12.5; i <= 42.5; i += 10) {
+				for (var j = 12.5; j <= 42.5; j += 10) {
+					this.ctx.beginPath();
+					this.ctx.arc(i,j,1.5,0,2*Math.PI);
+					this.ctx.fill();
+				}
+			}
+			this.ctx.stroke();
+		}
+		dotGridButton.click = function() {
+			draw.simpleGrid.add(10,10,30,true);
+		}		
+		draw.buttons.push(dotGridButton);
+	}	
+	if (typeof object.backGrid == 'object') {
+		var buttonPos = object.backGrid.buttonPos || [1120,620];
+		var obj = {};
+		obj.canvas = createCanvas(draw.drawArea[0],draw.drawArea[1],draw.drawArea[2],draw.drawArea[3],true,false,false,1);
+		obj.menuButton = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+		obj.menuButton.draw = function() {
+			var ctx = this.ctx;
+			if (draw.backGrid.showMenu == false) {
+				roundedRect(ctx,3,3,49,49,8,6,'#000','#C9F');
+			} else {
+				roundedRect(ctx,3,3,49,49,8,6,'#000','#FFC');		
+			}
+			ctx.strokeStyle = '#000';
+			ctx.lineWidth = 1;
+			for (var i = 15; i < 41; i += 12.5) {
+				ctx.moveTo(i,0);
+				ctx.lineTo(i,55);
+				ctx.moveTo(0,i);
+				ctx.lineTo(55,i);	
+			}
+			ctx.stroke();			
+		}
+		
+		obj.show = true;
+		obj.snap = true;
+		obj.showMenu = false;
+		obj.size = 25.25;
+		obj.menuCanvas = createCanvas(buttonPos[0]-169,buttonPos[1]+55,220,400,false,false,true,draw.drawButtonZIndex+1);
+		roundedRect(obj.menuCanvas.ctx,3,3,214,394,8,6,'#000','#C9F');	
+		obj.showButton = createCanvas(buttonPos[0]-134,buttonPos[1]+175,150,40,false,false,true,draw.drawButtonZIndex+1);
+		obj.snapButton = createCanvas(buttonPos[0]-134,buttonPos[1]+220,150,40,false,false,true,draw.drawButtonZIndex+1);
+		obj.slider = createSlider({id:0,left:buttonPos[0]-150,top:buttonPos[1]+75,width:200,height:50,linkedVar:'draw.backGrid.size',min:5,max:100,startNum:50,discrete:true,stepNum:5,visible:false,zIndex:draw.drawButtonZIndex+1,vari:'Grid Size',varChangeListener:'draw.backGrid.drawBackGrid'});
+		drawTextBox(obj.showButton,obj.showButton.ctx,obj.showButton.data,'#6F9','#000',4,'20px Arial','#000','center','Grid On');
+		drawTextBox(obj.snapButton,obj.snapButton.ctx,obj.snapButton.data,'#6F9','#000',4,'20px Arial','#000','center','Snapping On');
+		
+		obj.showHideBackGridMenu = function() {
+			var obj = draw.backGrid;
+			obj.showMenu = !obj.showMenu;
+			if (obj.showMenu == true) {
+				showObj(obj.menuCanvas,obj.menuCanvas.data);
+				showObj(obj.showButton,obj.showButton.data);
+				showObj(obj.snapButton,obj.snapButton.data);
+				showSlider(obj.slider);
+				for (var i = 0; i < obj.alignHorizVertButtons.length; i++) {
+					obj.alignHorizVertButtons[i].highlight = false;
+					obj.alignHorizVertButtons[i].draw();
+					showObj(obj.alignHorizVertButtons[i],obj.alignHorizVertButtons[i].data);
+				}
+				addListener(window,draw.backGrid.hideBackGridMenu);
+			} else {
+				hideObj(obj.menuCanvas,obj.menuCanvas.data);
+				hideObj(obj.showButton,obj.showButton.data);
+				hideObj(obj.snapButton,obj.snapButton.data);
+				hideSlider(obj.slider);
+				for (var i = 0; i < obj.alignHorizVertButtons.length; i++) {
+					hideObj(obj.alignHorizVertButtons[i],obj.alignHorizVertButtons[i].data);
+				}
+				removeListener(window,draw.backGrid.hideBackGridMenu);
+			}
+			obj.menuButton.draw();
+		}
+		obj.hideBackGridMenu = function(e) {
+			var obj = draw.backGrid;
+			if ([
+				obj.menuButton,
+				obj.menuCanvas,
+				obj.showButton,
+				obj.snapButton,
+				obj.slider.backCanvas,
+				obj.slider.sliderCanvas,
+				obj.labelCanvas
+			].indexOf(e.target) == -1 && obj.alignHorizVertButtons.indexOf(e.target) == -1) {
+				obj.showMenu = false;
+				hideObj(obj.menuCanvas,obj.menuCanvas.data);
+				hideObj(obj.showButton,obj.showButton.data);
+				hideObj(obj.snapButton,obj.snapButton.data);
+				hideSlider(obj.slider);
+				for (var i = 0; i < obj.alignHorizVertButtons.length; i++) {
+					hideObj(obj.alignHorizVertButtons[i],obj.alignHorizVertButtons[i].data);
+				}
+				obj.menuButton.draw();
+				removeListener(window,obj.hideBackGridMenu);
+			}
+		}		
+
+		obj.showHideBackGrid = function() {
+			var obj = draw.backGrid;
+			obj.show = !obj.show;
+			if (obj.show == true) { 
+				drawTextBox(obj.showButton,obj.showButton.ctx,obj.showButton.data,'#6F9','#000',4,'20px Arial','#000','center','Grid On');
+			} else {
+				drawTextBox(obj.showButton,obj.showButton.ctx,obj.showButton.data,'#F00','#000',4,'20px Arial','#000','center','Grid Off');
+			}
+			obj.drawBackGrid();
+		}
+		obj.snapOnOff = function() {
+			var obj = draw.backGrid;			
+			obj.snap = !obj.snap;
+			draw.gridSnap = obj.snap;
+			if (obj.snap == true) { 
+				drawTextBox(obj.snapButton,obj.snapButton.ctx,obj.snapButton.data,'#6F9','#000',4,'20px Arial','#000','center','Snapping On');
+			} else {
+				drawTextBox(obj.snapButton,obj.snapButton.ctx,obj.snapButton.data,'#F00','#000',4,'20px Arial','#000','center','Snapping Off');
+			}
+			obj.drawBackGrid();
+		}		
+		
+		obj.drawBackGrid = function() {
+			var ctx = draw.backGrid.canvas.ctx;
+			var l = draw.gridSnapRect[0];
+			var t = draw.gridSnapRect[1];
+			var w = draw.gridSnapRect[2];
+			var h = draw.gridSnapRect[3];
+			ctx.clearRect(l,t,w,h);
+			var marginSize = mainCanvasBorderWidth;
+			var margin = [l+marginSize,l+w-marginSize,t+marginSize,t+h-marginSize];
+			if (draw.backGrid.show == true) {
+				/*var count = -1;
+				for (var i = l; i <= l+w; i += draw.backGrid.size) {
+					count++;					
+					if (i <= margin[0] || i >= margin[1]) continue;
+					if (count % 10 == 0) {
+						ctx.strokeStyle = '#BBB';
+						ctx.lineWidth = 1.5;
+						ctx.setLineDash([]);
+					} else if (count % 5 == 0) {
+						ctx.strokeStyle = '#CCC';
+						ctx.lineWidth = 1;
+						ctx.setLineDash([]);
+					} else {
+						ctx.strokeStyle = '#CCC';
+						ctx.lineWidth = 0.5;
+						if (draw.backGrid.size >= 25) ctx.setLineDash([]);				
+					}
+					ctx.beginPath();
+					ctx.moveTo(i,Math.max(margin[2],t));
+					ctx.lineTo(i,Math.min(margin[3],t+h));
+					ctx.stroke();
+				}
+				var count = -1;
+				for (var i = t; i <= t+h; i += draw.backGrid.size) {
+					count++;
+					if (i <= margin[2] || i >= margin[3]) continue;
+					if (count % 10 == 0) {
+						ctx.strokeStyle = '#BBB';
+						ctx.lineWidth = 1.5;
+						ctx.setLineDash([]);
+					} else if (count % 5 == 0) {
+						ctx.strokeStyle = '#CCC';
+						ctx.lineWidth = 1;
+						ctx.setLineDash([]);
+					} else {
+						ctx.strokeStyle = '#CCC';
+						ctx.lineWidth = 0.5;
+						if (draw.backGrid.size >= 25) ctx.setLineDash([]);				
+					}
+					ctx.beginPath();
+					ctx.moveTo(Math.max(margin[0],l),i);
+					ctx.lineTo(Math.min(margin[1],l+w),i);
+					ctx.stroke();
+				}*/
+				if (arraysEqual(draw.gridMargin,[0,0,0,0]) == false) {
+					var m = draw.gridMargin;
+					ctx.strokeStyle = '#F00';
+					ctx.lineWidth = 2;
+					ctx.setLineDash([]);
+					ctx.strokeRect(m[0],m[1],draw.drawArea[2]-m[0]-m[2],draw.drawArea[3]-m[1]-m[3]);
+				}
+				for (var i = 0; i < draw.gridVertMargins.length; i++) {
+					var m = draw.gridVertMargins[i];
+					ctx.beginPath();
+					ctx.strokeStyle = '#F00';
+					ctx.lineWidth = 2;
+					ctx.setLineDash([]);
+					ctx.moveTo(m,draw.gridMargin[1]);
+					ctx.lineTo(m,draw.drawArea[3]-draw.gridMargin[3]);
+					ctx.stroke();
+				}
+				for (var i = 0; i < draw.gridHorizMargins.length; i++) {
+					var m = draw.gridHorizMargins[i];
+					ctx.beginPath();
+					ctx.strokeStyle = '#F00';
+					ctx.lineWidth = 2;
+					ctx.setLineDash([]);
+					ctx.moveTo(draw.gridMargin[0],m);
+					ctx.lineTo(draw.drawArea[2]-draw.gridMargin[2],m);
+					ctx.stroke();
+				}
+			}
+			/*ctx.strokeStyle = '#000';
+			ctx.lineWidth = 2;
+			ctx.setLineDash([]);
+			ctx.beginPath();
+			ctx.moveTo(0,100);
+			ctx.lineTo(1200,100);
+			ctx.stroke();*/
+			draw.gridSnapSize = draw.backGrid.size;
+		}
+
+		obj.menuCanvas.style.cursor = 'default';
+		addListenerMove(obj.menuCanvas,function() {
+			var obj = draw.backGrid;
+			for (var i = 0; i < obj.alignHorizVertButtons.length; i++) {
+				if (obj.alignHorizVertButtons[i].highlight == true) {
+					obj.alignHorizVertButtons[i].highlight = false;
+					obj.alignHorizVertButtons[i].draw();
+				}
+			}
+		});
+		obj.alignHorizVertButtonsMove = function(e) {
+			var obj = draw.backGrid;
+			for (var i = 0; i < obj.alignHorizVertButtons.length; i++) {
+				if (obj.alignHorizVertButtons[i] == e.target) {
+					obj.alignHorizVertButtons[i].highlight = true;
+				} else {
+					obj.alignHorizVertButtons[i].highlight = false;
+				}
+				obj.alignHorizVertButtons[i].draw();
+			}
+		}
+		obj.alignHorizVertButtonsPress = function(e) {
+			var obj = draw.backGrid;
+			draw.vertSnap = e.target.vert;
+			draw.horizSnap = e.target.horiz;
+			for (var i = 0; i < obj.alignHorizVertButtons.length; i++) {
+				obj.alignHorizVertButtons[i].draw();
+			}
+		}
+		draw.backGrid = obj;
+		obj.menuButton.draw();
+		obj.drawBackGrid();
+		addListener(draw.backGrid.menuButton,draw.backGrid.showHideBackGridMenu);
+		addListener(draw.backGrid.showButton,draw.backGrid.showHideBackGrid);
+		addListener(draw.backGrid.snapButton,draw.backGrid.snapOnOff);			
+		obj.alignHorizVertButtons = [];
+		for (var i = 0; i < 9; i++) {
+			var button = createCanvas(buttonPos[0]-130+50*(i%3),buttonPos[1]+285+50*Math.floor(i/3),50,50,false,false,true,draw.drawButtonZIndex+1);
+			button.x = 10+15*(i%3);
+			button.y = 13+12*Math.floor(i/3);
+			button.horiz = ['left','center','right'][i%3];
+			button.vert = ['top','middle','bottom'][Math.floor(i/3)];
+			button.highlight = false;
+			button.draw = function() {
+				var color = '#FFC';
+				if (this.highlight == true) color = '#FCF';
+				if (draw.vertSnap == this.vert && draw.horizSnap == this.horiz) color = '#F6F';
+				roundedRect(this.ctx,1,1,48,48,0,2,'#000',color);
+				roundedRect(this.ctx,10,13,30,24,0,1,'#000','#CCF');
+				this.ctx.beginPath();
+				this.ctx.strokeStyle = '#F00';
+				this.ctx.lineWidth = 2;
+				this.ctx.moveTo(this.x-5,this.y-5);
+				this.ctx.lineTo(this.x+5,this.y+5);
+				this.ctx.moveTo(this.x-5,this.y+5);
+				this.ctx.lineTo(this.x+5,this.y-5);	
+				this.ctx.stroke();
+			}
+			button.draw();
+			
+			addListenerMove(button,draw.backGrid.alignHorizVertButtonsMove);
+			addListener(button,draw.backGrid.alignHorizVertButtonsPress);
+			
+			obj.alignHorizVertButtons.push(button);
+		}
+	}
+	if (typeof object.backGrid2 == 'object') { // no button
+		var obj = {};
+		obj.canvas = createCanvas(draw.drawArea[0],draw.drawArea[1],draw.drawArea[2],draw.drawArea[3],true,false,false,1);
+		obj.show = true;
+
+		obj.showGrid = function() {
+			var obj = draw.backGrid;
+			obj.show = true;
+			snapBordersOn = true;
+			showObj(draw.backGrid.canvas);
+			obj.drawBackGrid();
+		}
+		obj.hideGrid = function() {
+			var obj = draw.backGrid;
+			obj.show = false;
+			snapBordersOn = false;
+			hideObj(draw.backGrid.canvas);
+			obj.drawBackGrid();
+		}
+		obj.drawBackGrid = function() {
+			var ctx = draw.backGrid.canvas.ctx;
+			var l = draw.gridSnapRect[0];
+			var t = draw.gridSnapRect[1];
+			var w = draw.gridSnapRect[2];
+			var h = draw.gridSnapRect[3];
+			ctx.clear();
+			var marginSize = mainCanvasBorderWidth;
+			var margin = [l+marginSize,l+w-marginSize,t+marginSize,t+h-marginSize];
+			if (draw.backGrid.show == true) {
+				if (arraysEqual(draw.gridMargin,[0,0,0,0]) == false) {
+					var m = draw.gridMargin;
+					ctx.strokeStyle = '#F00';
+					ctx.lineWidth = 2;
+					ctx.setLineDash([]);
+					ctx.strokeRect(m[0],m[1],draw.drawArea[2]-m[0]-m[2],draw.drawArea[3]-m[1]-m[3]);
+				}
+				for (var i = 0; i < draw.gridVertMargins.length; i++) {
+					var m = draw.gridVertMargins[i];
+					ctx.beginPath();
+					ctx.strokeStyle = '#F00';
+					ctx.lineWidth = 2;
+					ctx.setLineDash([]);
+					ctx.moveTo(m,draw.gridMargin[1]);
+					ctx.lineTo(m,draw.drawArea[3]-draw.gridMargin[3]);
+					ctx.stroke();
+				}
+				for (var i = 0; i < draw.gridHorizMargins.length; i++) {
+					var m = draw.gridHorizMargins[i];
+					ctx.beginPath();
+					ctx.strokeStyle = '#F00';
+					ctx.lineWidth = 2;
+					ctx.setLineDash([]);
+					ctx.moveTo(draw.gridMargin[0],m);
+					ctx.lineTo(draw.drawArea[2]-draw.gridMargin[2],m);
+					ctx.stroke();
+				}
+			}
+			draw.gridSnapSize = draw.backGrid.size;
+		}
+		draw.backGrid = obj;
+		obj.drawBackGrid();
+	}		
+	for (var key in object) {
+		if (['line','pen','polygon','rect','square'].includes(key)) continue;
+		if (!un(draw[key]) && typeof draw[key].drawButton == 'function') {			
+			var buttonPos = object[key].buttonPos || [1120,620];
+			var button = createCanvas(buttonPos[0],buttonPos[1],55,55,true,false,true,draw.drawButtonZIndex);
+			button.type = key;
+			button.drawButton = draw[key].drawButton;
+			button.draw = function() {
+				roundedRect(this.ctx,3,3,49,49,8,6,'#000',draw.buttonColor);
+				this.drawButton(this.ctx,draw.buttonSize);
+			};
+			button.click = draw[key].add;
+			draw.buttons.push(button);			
+		}
+	}
+	
+	
+	redrawButtons();
+	draw.cursors.update();
+	if (defaultMode == 'line') {
+		setTimeout(function() {draw.cursorCanvas.style.cursor = draw.cursors.cross},1000);
+	}
+	
+	for (var i = 0; i < draw.buttons.length; i++) {
+		addListener(draw.buttons[i],drawButtonClick);
+		draw.buttons[i].isStaticMenuCanvas = true;
+	}
+	addListenerMove(draw.cursorCanvas,drawCanvasMove);
+	addListenerStart(draw.cursorCanvas,drawCanvasStart);
+	if (drawMode == 'none') changeDrawMode();
+	if (object.divMode === true) draw.divMode();
+}
+function addPen(side,color) {
+	var l = 25;
+	if (side == 'right') l = 1120;
+	if (un(color)) color = '#F00';
+	addDrawTools({
+		pen:{buttonPos:[l,560]},
+		undo:{buttonPos:[l,620]},
+		buttonSize:50,
+		thickness:5,
+		color:color
+	});	
+}
+
+function redrawButtons() {
+	if (draw.drawMode == 'none') changeDrawMode();
+	for (var i = 0; i < draw.buttons.length; i++) {
+		draw.buttons[i].draw();				
+	}
+}
+function drawButtonClick(e) {
+	e.target.click();
+	redrawButtons();
+	drawToolsCanvas();	
+	draw.cursors.update();
+}
+function addDrawCanvas() {
+	var z = draw.zIndex + 2 * draw.drawCanvas.length;
+	var canvas = createCanvas(draw.drawArea[0]+draw.drawRelPos[0],draw.drawArea[1]+draw.drawRelPos[1],draw.drawArea[2],draw.drawArea[3],false,false,false,z);
+	if (!un(draw.div)) {
+		canvas.setAttribute('class', 'drawDivCanvas');
+		draw.div.children[0].appendChild(canvas);
+	} else {
+		showObj(canvas);
+		resizeCanvas(canvas,draw.drawArea[0]+draw.drawRelPos[0],draw.drawArea[1]+draw.drawRelPos[1],draw.drawArea[2],draw.drawArea[3]);
+	}
+	draw.drawCanvas.push(canvas);
+	draw.toolsCanvas.style.zIndex = z+2;
+	draw.toolsCanvas.data[107] = z+2;
+	//console.log('addDrawCanvas',canvas,draw.drawArea[0]+draw.drawRelPos[0],draw.drawArea[1]+draw.drawRelPos[1],draw.drawArea[2],draw.drawArea[3]);
+	draw.cursorCanvas.style.zIndex = z+3;	
+	draw.cursorCanvas.data[107] = z+3;
+}
+function changeDrawRelPos(newX,newY,includeHidden) {
+	//console.log(newX,newY,arguments.callee.caller.name);
+	var w = Math.max(draw.drawArea[2],draw.drawArea[2]*draw.scale);
+	var h = Math.max(draw.drawArea[3],draw.drawArea[3]*draw.scale);
+	var prevX = draw.drawRelPos[0];
+	var prevY = draw.drawRelPos[1];
+	draw.drawRelPos[0] = newX;
+	draw.drawRelPos[1] = newY;
+	var x = draw.drawArea[0] + draw.drawRelPos[0];
+	var y = draw.drawArea[1] + draw.drawRelPos[1];
+	for (var c = 0; c < draw.drawCanvas.length; c++) {
+		if (includeHidden == false && draw.drawCanvas[c].parentNode == 'undefined') continue;
+		if (includeHidden == false && draw.flattenMode == true && typeof draw.pathCanvas !== 'undefined' && draw.pathCanvas.indexOf(c) == -1 && c < draw.drawCanvas.length - 2) continue;
+		draw.drawCanvas[c].data[100] = x;
+		draw.drawCanvas[c].data[101] = y;
+		draw.drawCanvas[c].data[102] = w;
+		draw.drawCanvas[c].data[103] = h;
+		resizeCanvas2(draw.drawCanvas[c],x,y,w,h);
+	}
+	if (!un(draw.cursorPosHighlight) && !un(draw.cursorPosHighlight.canvas)) {
+		resizeCanvas2(draw.cursorPosHighlight.canvas,x,y);
+	}
+	if (includeHidden == true) {
+		draw.cursorCanvas.data[100] = x;
+		draw.cursorCanvas.data[101] = y;
+		draw.cursorCanvas.data[102] = w;
+		draw.cursorCanvas.data[103] = h;
+		resizeCanvas2(draw.cursorCanvas,x,y,w,h);
+	}
+	draw.toolsCanvas.data[100] = x;
+	draw.toolsCanvas.data[101] = y;
+	draw.toolsCanvas.data[102] = w;
+	draw.toolsCanvas.data[103] = h;
+	resizeCanvas2(draw.toolsCanvas,x,y,w,h);
+	draw.cursorCanvas.data[100] = x;
+	draw.cursorCanvas.data[101] = y;
+	draw.cursorCanvas.data[102] = w;
+	draw.cursorCanvas.data[103] = h;
+	resizeCanvas2(draw.cursorCanvas,x,y,w,h);
+	
+	if (typeof screenShade !== 'undefined') {
+		screenShade.position();
+	}
+	
+	if (typeof draw.backGrid !== 'undefined') {
+		draw.backGrid.canvas.data[100] = x;
+		draw.backGrid.canvas.data[101] = y;
+		draw.backGrid.canvas.data[102] = w;
+		draw.backGrid.canvas.data[103] = h;
+		resizeCanvas2(draw.backGrid.canvas,x,y,w,h);		
+	}
+	
+	for (var p = 0; p < draw.path.length; p++) {
+		if (!un(draw.path[p]._canvas)) {
+			var canvas = draw.path[p]._canvas;
+			resizeCanvas3(canvas,canvas.drawPos+draw.drawRelPos[0],canvas.drawPos+draw.drawRelPos[1]);
+		}
+	}
+	if (includeHidden == true) calcCursorPositions();
+}
+function changeDrawArea(drawArea,setDrawRelPos) {
+	draw.drawArea = drawArea;
+	//console.log(drawArea);
+	var canvases = [draw.cursorCanvas,draw.toolsCanvas].concat(draw.drawCanvas);//.concat(draw.drawCanvas2);
+	//console.log(canvases);
+	for (var c = 0; c < canvases.length; c++) {
+		canvases[c].width = drawArea[2];
+		canvases[c].height = drawArea[3];
+		canvases[c].data[100] = drawArea[0];
+		canvases[c].data[101] = drawArea[1];
+		canvases[c].data[102] = drawArea[2];
+		canvases[c].data[103] = drawArea[3];
+		resizeCanvas3(canvases[c]);
+	}
+	if (boolean(setDrawRelPos,true) == true) changeDrawRelPos(0,0);
+}
+function changeDrawMode(mode,altMode) {
+	if (typeof mode === 'undefined') mode = draw.defaultMode;
+	if (typeof altMode === 'undefined') altMode = draw.defaultMode;
+	if (mode === draw.drawMode) mode = altMode;
+	if (mode === 'prev') mode = draw.prevDrawMode || draw.defaultMode;
+	draw.prevDrawMode = draw.drawMode;
+	draw.drawMode = mode;
+	if (mode === 'select' || mode == 'none') {
+		if (draw.retainCursorCanvas == true) {
+			draw.cursorCanvas.style.pointerEvents = 'auto';
+		} else {
+			draw.cursorCanvas.style.pointerEvents = 'none';
+		}
+	} else {
+		draw.cursorCanvas.style.pointerEvents = 'auto';
+	}
+	if (['line','rect','square','circle','ellipse','polygon'].includes(mode)) {
+		draw.cursors.update();
+		draw.cursorCanvas.style.cursor = 'url('+draw.lineCursor+') '+draw.lineCursorHotspot[0]+' '+draw.lineCursorHotspot[1]+', auto';
+	}
+	//console.log('-',mode);
+	calcCursorPositions();
+}
+
+function colorSelectClose(e) {
+	if (e.target.type !== 'colorSelect') {
+		draw.colorSelectVisible = false;
+		for (var i = 0; i < draw.colorButtons.length; i++) {
+			hideObj(draw.colorButtons[i],draw.colorButtons[i].data)
+		}
+		for (var i = 0; i < container.childNodes.length; i++) {
+			if (draw.colorButtons.indexOf(container.childNodes[i]) == -1) {
+				removeListenerStart(container.childNodes[i],colorSelectClose);
+			}
+		}	
+		redrawButtons();
+	}
+}
+function fillColorSelectClose(e) {
+	if (e.target.type !== 'fillColorSelect') {
+		draw.fillColorSelectVisible = false;
+		for (var i = 0; i < draw.fillColorButtons.length; i++) {
+			hideObj(draw.fillColorButtons[i],draw.fillColorButtons[i].data)
+		}
+		for (var i = 0; i < container.childNodes.length; i++) {
+			if (draw.fillColorButtons.indexOf(container.childNodes[i]) == -1) {
+				removeListenerStart(container.childNodes[i],fillColorSelectClose);
+			}
+		}	
+		redrawButtons();
+	}
+}
+function redrawThicknessButtons() {
+	for (var i = 1; i < draw.thicknessButtons.length; i++) {
+		var button = draw.thicknessButtons[i];
+		button.ctx.clearRect(0,0,100,50);
+		button.ctx.lineCap = 'round';
+		button.ctx.lineJoin = 'round';
+		button.ctx.lineWidth = 4;
+	
+		button.ctx.strokeStyle = '#000';
+		button.ctx.fillStyle = '#FFC';
+		if (button.thickness == draw.thickness) button.ctx.fillStyle = '#CFF';
+		button.ctx.fillRect(0,0,100,50);
+		button.ctx.strokeRect(0,0,100,50);
+		
+		button.ctx.beginPath();
+		button.ctx.lineWidth = button.thickness;
+		button.ctx.moveTo(20,25);
+		button.ctx.lineTo(80,25);
+		button.ctx.stroke();
+	}
+}
+function thicknessSelectClose(e) {
+	if (e.target.type !== 'thicknessSelect') {
+		draw.thicknessSelectVisible = false;
+		for (var i = 0; i < draw.thicknessButtons.length; i++) {
+			hideObj(draw.thicknessButtons[i],draw.thicknessButtons[i].data)
+		}
+		for (var i = 0; i < container.childNodes.length; i++) {
+			if (draw.thicknessButtons.indexOf(container.childNodes[i]) == -1) {
+				removeListenerStart(container.childNodes[i],thicknessSelectClose);
+			}
+		}	
+		redrawButtons();
+	}
+}
+function lineEndsClose(e) {
+	if (e.target.type !== 'lineEnds') {
+		draw.lineEndsVisible = false;
+		for (var i = 0; i < draw.lineEndStartButtons.length; i++) {
+			hideObj(draw.lineEndStartButtons[i],draw.lineEndStartButtons[i].data)
+		}
+		for (var i = 0; i < draw.lineEndMidButtons.length; i++) {
+			hideObj(draw.lineEndMidButtons[i],draw.lineEndMidButtons[i].data)
+		}
+		for (var i = 0; i < draw.lineEndFinButtons.length; i++) {
+			hideObj(draw.lineEndFinButtons[i],draw.lineEndFinButtons[i].data)
+		}
+		for (var i = 0; i < draw.lineEndSizeButtons.length; i++) {
+			hideObj(draw.lineEndSizeButtons[i],draw.lineEndSizeButtons[i].data)
+		}		
+		
+		for (var i = 0; i < container.childNodes.length; i++) {
+			if (draw.lineEndStartButtons.indexOf(container.childNodes[i]) == -1 && draw.lineEndMidButtons.indexOf(container.childNodes[i]) == -1 && draw.lineEndFinButtons.indexOf(container.childNodes[i]) == -1 && draw.lineEndSizeButtons.indexOf(container.childNodes[i]) == -1) {
+				removeListenerStart(container.childNodes[i],lineEndsClose);
+			}
+		}
+		redrawButtons();
+	}
+}
+function tableMenuClose() {
+	changeDrawMode();
+	draw.tableSizeVisible = false;
+	hideObj(draw.tableSizeCanvas,draw.tableSizeCanvas.data);
+	if (!un(draw.tableRowColCanvas)) {
+		draw.tableRowColCanvas.selected = -1;
+		draw.tableRowColCanvas.draw();	
+	}
+	if (!un(draw.tableRowColCanvas)) hideObj(draw.tableRowColCanvas,draw.tableRowColCanvas.data);
+	if (!un(draw.tableBordersCanvas)) hideObj(draw.tableBordersCanvas,draw.tableBordersCanvas.data);
+	if (!un(draw.tableCellColorCanvas)) hideObj(draw.tableCellColorCanvas,draw.tableCellColorCanvas.data);
+	if (!un(draw.tbLayoutSizeCanvas)) {
+		draw.tbLayoutSizeVisible = false;
+		hideObj(draw.tbLayoutSizeCanvas);
+	}
+	if (!un(draw.tbLayoutQSizeCanvas)) {
+		draw.tbLayoutQSizeVisible = false;
+		hideObj(draw.tbLayoutQSizeCanvas);
+	}	
+}
+function tableCellsSelectionTest() {
+	if (typeof draw == 'object') {
+		for (var i = 0; i < draw.path.length; i++) {
+			if (draw.path[i].selected == true) {
+				for (var j = 0; j < draw.path[i].obj.length; j++) {
+					if (draw.path[i].obj[j].type == 'table' || draw.path[i].obj[j].type == 'table2') {
+						var cells = draw.path[i].obj[j].cells;
+						for (var r = 0; r < cells.length; r++) {
+							for (var c = 0; c < cells[r].length; c++) {
+								if (cells[r][c].selected == true && cells[r][c].highlight == true) {
+									return true;
+								}
+							}
+						}
+					}
+				}
+			}
+		}
+	}
+	return false;
+}
+
+function isPosOverTool(x,y) {
+	for (var i = 0; i < draw.toolOrder.length; i++) {
+		if (draw.toolOrder[i] == 'protractor' && draw.protractorVisible == true) {
+			var center = draw.protractor.center;
+			var rad = draw.protractor.radius;	
+			var angle = draw.protractor.angle;
+			var mouseAngle = measureAngle({a:[x,y],b:[center[0],center[1]],c:[center[0]+rad*Math.cos(angle),center[1]+rad*Math.sin(angle)]});
+			
+			if (dist(x,y,center[0],center[1]) <= rad && mouseAngle >= 0 && mouseAngle <= Math.PI) {
+				draw.protractor.prevX = x;
+				draw.protractor.prevY = y;
+				draw.protractor.relSelPoint = vectorFromAToB(draw.protractor.center,[x,y]);
+				if (dist(x,y,center[0]+rad*Math.cos(angle),center[1]+rad*Math.sin(angle)) <= 0.5* rad || dist(x,y,center[0]-rad*Math.cos(angle),center[1]-rad*Math.sin(angle)) <= 0.5 * rad) {
+					return {cursor:draw.cursors.rotate,func:drawClickProtractorStartRotate};
+				} else {
+					return {cursor:draw.cursors.move1,func:drawClickProtractorStartMove};				
+				}
+			}
+		}
+	
+		if (draw.toolOrder[i] == 'ruler' && draw.rulerVisible == true) {
+			if (hitTestPolygon([x,y],draw.ruler.verticesArray1) == true) {
+				draw.ruler.prevX = x;
+				draw.ruler.prevY = y;
+				if (hitTestPolygon([x,y],draw.ruler.verticesArray2) == true) {
+					return {cursor:draw.cursors.rotate,func:drawClickRulerStartRotate1};
+				} else if (hitTestPolygon([x,y],draw.ruler.verticesArray3) == true) {
+					return {cursor:draw.cursors.rotate,func:drawClickRulerStartRotate2};
+				} else if (draw.ruler.markings == true && dist(draw.ruler.center[0],draw.ruler.center[1],x,y) < 25) {
+					return {cursor:draw.cursors.ruler180,func:drawClickRulerRotate180};
+				} else {
+					return {cursor:draw.cursors.move1,func:drawClickRulerStartMove};		
+				}
+			}
+			if (hitTestPolygon([x,y],draw.ruler.verticesArray4) == true) {
+				var startPos = closestPointOnLine([x,y],draw.ruler.edgePos1,draw.ruler.edgePos2)
+				draw.startX = startPos[0];
+				draw.startY = startPos[1];			
+				return {cursor:draw.cursors.rulerPen1,func:drawClickRulerStartDraw1};
+			}
+			if (hitTestPolygon([x,y],draw.ruler.verticesArray5) == true) {
+				var startPos = closestPointOnLine([x,y],draw.ruler.edgePos3,draw.ruler.edgePos4)
+				draw.startX = startPos[0];
+				draw.startY = startPos[1];			
+				return {cursor:draw.cursors.rulerPen2,func:drawClickRulerStartDraw2};
+			}		
+		}
+		
+		if (draw.toolOrder[i] == 'compass' && draw.compassVisible == true) {
+			var center1 = draw.compass.center1;
+			var center2 = draw.compass.center2;
+			var center3 = draw.compass.center3;
+			var lockCenter = draw.compass.lockCenter;
+			var rad = draw.compass.radius;	
+			var angle = draw.compass.angle;
+		
+			if (dist(x,y,lockCenter[0],lockCenter[1]) <= 30) {
+				return {cursor:draw.cursors.pointer,func:drawClickCompassLock};
+			} else if (dist(x,y,center2[0],center2[1]) <= 40 || hitTestPolygon([x,y],draw.compass.topPolygon) == true) {
+				draw.compass.prevX = x;
+				draw.compass.prevY = y;
+				return {cursor:'url("/i/cursors/rotate.cur") 12 12, auto',func:drawClickCompassStartDraw};
+			} else if (dist(x,y,center1[0],center1[1]) <= 30 || distancePointToLineSegment([x,y],draw.compass.center1,draw.compass.center2) <= 20) {
+				draw.compass.prevX = x;
+				draw.compass.prevY = y;
+				// store positions relative to center1
+				draw.compass.relSelPoint = vectorFromAToB(draw.compass.center1,[x,y]);
+				draw.compass.relCenter2 = vectorFromAToB(draw.compass.center1,draw.compass.center2);
+				draw.compass.relCenter3 = vectorFromAToB(draw.compass.center1,draw.compass.center3);
+				draw.compass.relLockCenter = vectorFromAToB(draw.compass.center1,draw.compass.lockCenter);
+				return {cursor:draw.cursors.move1,func:drawClickCompassStartMove1};
+			} else if (dist(x,y,center3[0],center3[1]) <= 30 || distancePointToLineSegment([x,y],draw.compass.center3,draw.compass.center2) <= 20 || hitTestPolygon([x,y],draw.compass.pencilPolygon) == true) {			
+				draw.compass.prevX = x;
+				draw.compass.prevY = y;
+				return {cursor:draw.cursors.move1,func:drawClickCompassStartMove2};
+			}
+		}
+	}
+	return false;
+}
+function resetDrawTools(restoreStartPaths) {
+	if (typeof draw == 'undefined') return;
+	if (boolean(restoreStartPaths,true) == true) draw.path = draw.startPath.slice();
+	draw.color = draw.startColor;
+	draw.thickness = draw.startThickness;
+	draw.fillColor = draw.startFillColor;
+	changeDrawMode(draw.startDrawMode);
+	draw.prevDrawMode = 'none';
+	draw.protractorVisible = false;
+	draw.compassVisible = false;
+	draw.rulerVisible = false;			
+	draw.colorSelectVisible = false;
+	draw.thicknessSelectVisible = false;
+	draw.compassHelpSelectVisible = false;
+	if (typeof draw.compassHelpBox !== 'undefined') hideObj(draw.compassHelpBox,draw.compassHelpBox.data);
+	for (var i = 0; i < draw.colorButtons.length; i++) {
+		hideObj(draw.colorButtons[i],draw.colorButtons[i].data)
+	}
+	for (var i = 0; i < draw.thicknessButtons.length; i++) {
+		hideObj(draw.thicknessButtons[i],draw.thicknessButtons[i].data)
+	}	
+	for (var i = 0; i < container.childNodes.length; i++) {
+		removeListenerStart(container.childNodes[i],colorSelectClose);
+		removeListenerStart(container.childNodes[i],thicknessSelectClose);
+		removeListenerStart(container.childNodes[i],fillColorSelectClose);
+	}
+	if (typeof draw.protractor !== 'undefined') {
+		draw.protractor.center = draw.protractor.startCenter.slice(0);
+		draw.protractor.angle = 0;
+	}
+	if (typeof draw.ruler !== 'undefined') {	
+		draw.ruler.left = draw.ruler.startLeft;
+		draw.ruler.top = draw.ruler.startTop;
+		draw.ruler.angle = 0;
+		recalcRulerValues();
+	}
+	if (typeof draw.compass !== 'undefined') {
+		draw.compass.center1 = draw.compass.startCenter1.slice(0);
+		draw.compass.center2 = draw.compass.startCenter2.slice(0);
+		draw.compass.center3 = draw.compass.startCenter3.slice(0);		
+		draw.compass.h = draw.compass.startH;
+		draw.compass.angle = draw.compass.startAngle;
+		draw.compass.radius = draw.compass.startRadius;
+		draw.compass.radiusLocked = false;
+		draw.compass.drawOn = draw.compass.startDrawOn;
+		var mp1 = midpoint(draw.compass.center1[0],draw.compass.center1[1],draw.compass.center3[0],draw.compass.center3[1]);
+		var mp2 = midpoint(draw.compass.center2[0],draw.compass.center2[1],mp1[0],mp1[1]);
+		draw.compass.lockCenter = mp2.slice(0);
+		recalcCompassValues();			
+	}
+	redrawButtons();
+	draw.cursors.update();
+	drawToolsCanvas();
+	drawCanvasPaths();
+}
+function moveToolToFront(tool) {
+	var index = draw.toolOrder.indexOf(tool);
+	draw.toolOrder.splice(index,1);
+	draw.toolOrder.unshift(tool);
+}
+function drawToolsCanvas() {
+	draw.toolsctx.clear();
+	draw.toolsctx.scale(draw.scale,draw.scale);
+	for (var i = draw.toolOrder.length; i >= 0; i--) {
+		if (draw.toolOrder[i] == 'protractor' && draw.protractorVisible == true) drawProtractor();
+		if (draw.toolOrder[i] == 'ruler' && draw.rulerVisible == true) drawRuler();	
+		if (draw.toolOrder[i] == 'compass' && draw.compassVisible == true) drawCompass();
+		draw.cursors.update();
+	}
+	draw.toolsctx.setTransform(1, 0, 0, 1, 0, 0);
+}
+function recalcRulerValues() {
+	if (typeof draw.ruler == 'undefined') return;
+	var left = draw.ruler.left;
+	var top = draw.ruler.top;
+	var length = draw.ruler.length;
+	var width = draw.ruler.width;
+	var angle = draw.ruler.angle;
+	draw.ruler.centerX1 = left+0.02*length*Math.cos(angle);
+	draw.ruler.centerY1 = top+0.02*length*Math.sin(angle);	
+	draw.ruler.centerX2 = left+0.98*length*Math.cos(angle);
+	draw.ruler.centerY2 = top+0.98*length*Math.sin(angle);	
+	draw.ruler.verticesArray1 = [
+		[left,top],
+		[left+length*Math.cos(angle),top+length*Math.sin(angle)],
+		[left+length*Math.cos(angle)-width*Math.sin(angle),top+length*Math.sin(angle)+width*Math.cos(angle)],
+		[left-width*Math.sin(angle),top+width*Math.cos(angle)]
+	];
+	draw.ruler.verticesArray2 = [
+		[left,top],
+		[left+0.1*length*Math.cos(angle),top+0.1*length*Math.sin(angle)],
+		[left-width*Math.sin(angle)+0.1*length*Math.cos(angle),top+width*Math.cos(angle)+0.1*length*Math.sin(angle)],
+		[left-width*Math.sin(angle),top+width*Math.cos(angle)]
+	];
+	draw.ruler.verticesArray3 = [
+		[left+length*Math.cos(angle)-0.1*length*Math.cos(angle),top+length*Math.sin(angle)-0.1*length*Math.sin(angle)],
+		[left+length*Math.cos(angle),top+length*Math.sin(angle)],
+		[left+length*Math.cos(angle)-width*Math.sin(angle),top+length*Math.sin(angle)+width*Math.cos(angle)],
+		[left+length*Math.cos(angle)-width*Math.sin(angle)-0.1*length*Math.cos(angle),top+length*Math.sin(angle)+width*Math.cos(angle)-0.1*length*Math.sin(angle)]
+	];
+	draw.ruler.center = [
+		left+0.5*length*Math.cos(angle)-0.5*width*Math.sin(angle),
+		top+0.5*length*Math.sin(angle)+0.5*width*Math.cos(angle)
+	];
+	draw.ruler.centerRel = [
+		0.5*length*Math.cos(angle)-0.5*width*Math.sin(angle),
+		0.5*length*Math.sin(angle)+0.5*width*Math.cos(angle)
+	];
+	
+	draw.ruler.verticesArray4 = [
+		[left+40*Math.sin(angle),top-40*Math.cos(angle)],
+		[left+length*Math.cos(angle)+40*Math.sin(angle),top+length*Math.sin(angle)-40*Math.cos(angle)],
+		[left+length*Math.cos(angle),top+length*Math.sin(angle)],
+		[left,top]
+	];
+	if (draw.ruler.markings == true) {
+		draw.ruler.edgePos1 = [
+			left+0.02*length*Math.cos(angle)+(0.5*draw.thickness+2)*Math.sin(angle),
+			top+0.02*length*Math.sin(angle)-(0.5*draw.thickness+2)*Math.cos(angle)
+		];
+		draw.ruler.edgePos2 = [
+			left+0.98*length*Math.cos(angle)+(0.5*draw.thickness+2)*Math.sin(angle),
+			top+0.98*length*Math.sin(angle)-(0.5*draw.thickness+2)*Math.cos(angle)
+		];
+	} else {
+		draw.ruler.edgePos1 = [
+			left+(0.5*draw.thickness+2)*Math.sin(angle),
+			top-(0.5*draw.thickness+2)*Math.cos(angle)
+		];
+		draw.ruler.edgePos2 = [
+			left+length*Math.cos(angle)+(0.5*draw.thickness+2)*Math.sin(angle),
+			top+length*Math.sin(angle)-(0.5*draw.thickness+2)*Math.cos(angle)
+		];
+	}
+	
+	draw.ruler.verticesArray5 = [
+		[left-width*Math.sin(angle)-40*Math.sin(angle),top+width*Math.cos(angle)+40*Math.cos(angle)],
+		[left+length*Math.cos(angle)-width*Math.sin(angle)-40*Math.sin(angle),top+length*Math.sin(angle)+width*Math.cos(angle)+40*Math.cos(angle)],
+		[left+length*Math.cos(angle)-width*Math.sin(angle),top+length*Math.sin(angle)+width*Math.cos(angle)],
+		[left-width*Math.sin(angle),top+width*Math.cos(angle)],
+	];
+	draw.ruler.edgePos3 = [
+		left-width*Math.sin(angle)-(0.5*draw.thickness+2)*Math.sin(angle),
+		top+width*Math.cos(angle)+(0.5*draw.thickness+2)*Math.cos(angle)
+	];
+	draw.ruler.edgePos4 = [
+		left+length*Math.cos(angle)-width*Math.sin(angle)-(0.5*draw.thickness+2)*Math.sin(angle),
+		top+length*Math.sin(angle)+width*Math.cos(angle)+(0.5*draw.thickness+2)*Math.cos(angle)
+	];	
+	var cursor = draw.hiddenCanvas;
+	var ctx = draw.hiddenCanvas.ctx;
+	
+	ctx.clearRect(0,0,50,50);
+	ctx.translate(25,25);
+	ctx.rotate(draw.ruler.angle);
+		ctx.fillStyle = draw.color;
+		ctx.fillRect(-5,-11,10,20);
+		ctx.fillRect(-5,-18,10,5);
+		ctx.beginPath();
+		ctx.moveTo(-5,11);
+		ctx.lineTo(0,18);
+		ctx.lineTo(5,11);
+		ctx.lineTo(-5,11);
+		ctx.fill();		
+	ctx.rotate(-draw.ruler.angle);	
+	ctx.translate(-25,-25);
+
+	draw.rulerEdgeCursor1 = cursor.toDataURL();
+	draw.rulerEdgeCursorHotspot1 = [25-18*Math.sin(draw.ruler.angle),25+18*Math.cos(draw.ruler.angle)];
+	
+	ctx.clearRect(0,0,50,50);
+	ctx.translate(25,25);
+	ctx.rotate(Math.PI+draw.ruler.angle);
+		ctx.fillStyle = draw.color;
+		ctx.fillRect(-5,-11,10,20);
+		ctx.fillRect(-5,-18,10,5);
+		ctx.beginPath();
+		ctx.moveTo(-5,11);
+		ctx.lineTo(0,18);
+		ctx.lineTo(5,11);
+		ctx.lineTo(-5,11);
+		ctx.fill();		
+	ctx.rotate(-Math.PI-draw.ruler.angle);	
+	ctx.translate(-25,-25);
+
+	draw.rulerEdgeCursor2 = cursor.toDataURL();
+	draw.rulerEdgeCursorHotspot2 = [25-18*Math.sin(Math.PI+draw.ruler.angle),25+18*Math.cos(Math.PI+draw.ruler.angle)];		
+}
+function recalcCompassValues() {
+	var center1 = draw.compass.center1;
+	var center2 = draw.compass.center2;
+	var center3 = draw.compass.center3;								
+	var rad = draw.compass.radius;	
+	var angle = draw.compass.angle;
+
+	var angle2 = Math.atan((0.5*draw.compass.radius)/draw.compass.h);
+	
+	/*
+	// pointy arm
+	if (center2[0] > center1[0]) {
+		var pointPolygon = [
+			[center2[0]+20*Math.cos(angle-angle2),center2[1]-20*Math.sin(angle-angle2)],
+			[center2[0]-20*Math.cos(angle-angle2),center2[1]+20*Math.sin(angle-angle2)],
+			[center1[0]-20*Math.cos(angle-angle2),center1[1]+20*Math.sin(angle-angle2)],
+			[center1[0]+20*Math.cos(angle-angle2),center1[1]-20*Math.sin(angle-angle2)]
+		];
+	} else {
+		var pointPolygon = [
+			[center2[0]+20*Math.cos(Math.PI-angle-angle2),center2[1]-20*Math.sin(Math.PI-angle-angle2)],
+			[center2[0]-20*Math.cos(Math.PI-angle-angle2),center2[1]+20*Math.sin(Math.PI-angle-angle2)],
+			[center1[0]-20*Math.cos(Math.PI-angle-angle2),center1[1]+20*Math.sin(Math.PI-angle-angle2)],
+			[center1[0]+20*Math.cos(Math.PI-angle-angle2),center1[1]-20*Math.sin(Math.PI-angle-angle2)]
+		];
+	}
+	
+	draw.toolsctx.fillStyle = '#F0F';
+	draw.toolsctx.beginPath();
+	draw.toolsctx.moveTo(pointPolygon[0][0],pointPolygon[0][1]);
+	draw.toolsctx.lineTo(pointPolygon[1][0],pointPolygon[1][1]);
+	draw.toolsctx.lineTo(pointPolygon[2][0],pointPolygon[2][1]);
+	draw.toolsctx.lineTo(pointPolygon[3][0],pointPolygon[3][1]);
+	draw.toolsctx.lineTo(pointPolygon[0][0],pointPolygon[0][1]);			
+	draw.toolsctx.fill();
+	
+	var pencilArmPolygon = [
+		[center2[0]+20*Math.cos(angle2-angle),center2[1]-20*Math.sin(angle2-angle)],
+		[center2[0]-20*Math.cos(angle2-angle),center2[1]+20*Math.sin(angle2-angle)],
+		[center3[0]-20*Math.cos(angle2-angle),center3[1]+20*Math.sin(angle2-angle)],
+		[center3[0]+20*Math.cos(angle2-angle),center3[1]-20*Math.sin(angle2-angle)]
+	];
+	
+	draw.toolsctx.fillStyle = '#FF0';
+	draw.toolsctx.beginPath();
+	draw.toolsctx.moveTo(pencilArmPolygon[0][0],pencilArmPolygon[0][1]);
+	draw.toolsctx.lineTo(pencilArmPolygon[1][0],pencilArmPolygon[1][1]);
+	draw.toolsctx.lineTo(pencilArmPolygon[2][0],pencilArmPolygon[2][1]);
+	draw.toolsctx.lineTo(pencilArmPolygon[3][0],pencilArmPolygon[3][1]);
+	draw.toolsctx.lineTo(pencilArmPolygon[0][0],pencilArmPolygon[0][1]);			
+	draw.toolsctx.fill();
+	*/
+	
+	if (draw.compass.drawOn == 'right') {
+		var angle3 = angle2-angle-Math.PI/14;
+		var center4 = [center3[0]-200*Math.sin(angle3),center3[1]-200*Math.cos(angle3)];
+	} else {
+		var angle3 = -(angle2+angle-Math.PI/14);
+		var center4 = [center3[0]+200*Math.sin(angle3),center3[1]+200*Math.cos(angle3)];					
+	}
+
+	var pencilPolygon = [
+		[center4[0]+20*Math.cos(angle3),center4[1]-20*Math.sin(angle3)],
+		[center4[0]-20*Math.cos(angle3),center4[1]+20*Math.sin(angle3)],
+		[center3[0]-20*Math.cos(angle3),center3[1]+20*Math.sin(angle3)],
+		[center3[0]+20*Math.cos(angle3),center3[1]-20*Math.sin(angle3)]
+	];
+	
+	/*
+	draw.toolsctx.fillStyle = '#FF0';
+	draw.toolsctx.beginPath();
+	draw.toolsctx.moveTo(pencilPolygon[0][0],pencilPolygon[0][1]);
+	draw.toolsctx.lineTo(pencilPolygon[1][0],pencilPolygon[1][1]);
+	draw.toolsctx.lineTo(pencilPolygon[2][0],pencilPolygon[2][1]);
+	draw.toolsctx.lineTo(pencilPolygon[3][0],pencilPolygon[3][1]);
+	draw.toolsctx.lineTo(pencilPolygon[0][0],pencilPolygon[0][1]);			
+	draw.toolsctx.fill();	
+	*/
+	
+	if (draw.compass.drawOn == 'right') {
+		var topPolygon = [
+			[center2[0]-62*Math.sin(-angle)+10*Math.cos(angle),center2[1]-62*Math.cos(angle)-10*Math.sin(-angle)],
+			[center2[0]-62*Math.sin(-angle)-10*Math.cos(angle),center2[1]-62*Math.cos(angle)+10*Math.sin(-angle)],
+			[center2[0]-10*Math.cos(angle),center2[1]+10*Math.sin(-angle)],
+			[center2[0]+10*Math.cos(angle),center2[1]-10*Math.sin(-angle)],
+		];
+	} else {
+		var topPolygon = [
+			[center2[0]+62*Math.sin(-angle)+10*Math.cos(angle),center2[1]+62*Math.cos(angle)-10*Math.sin(-angle)],
+			[center2[0]+62*Math.sin(-angle)-10*Math.cos(angle),center2[1]+62*Math.cos(angle)+10*Math.sin(-angle)],
+			[center2[0]-10*Math.cos(angle),center2[1]+10*Math.sin(-angle)],
+			[center2[0]+10*Math.cos(angle),center2[1]-10*Math.sin(-angle)],
+		];
+	}
+	/*
+	draw.toolsctx.fillStyle = '#F0F';
+	draw.toolsctx.beginPath();
+	draw.toolsctx.moveTo(topPolygon[0][0],topPolygon[0][1]);
+	draw.toolsctx.lineTo(topPolygon[1][0],topPolygon[1][1]);
+	draw.toolsctx.lineTo(topPolygon[2][0],topPolygon[2][1]);
+	draw.toolsctx.lineTo(topPolygon[3][0],topPolygon[3][1]);
+	draw.toolsctx.lineTo(topPolygon[0][0],topPolygon[0][1]);			
+	draw.toolsctx.fill();	
+	*/
+	
+	//draw.compass.pointPolygon = pointPolygon;
+	//draw.compass.pencilArmPolygon = pencilArmPolygon;
+	draw.compass.pencilPolygon = pencilPolygon;								
+	draw.compass.topPolygon = topPolygon;	
+}
+function drawProtractor() {
+	var rad = draw.protractor.radius;
+	var center = draw.protractor.center;
+	var color = draw.protractor.color;
+	var angle = draw.protractor.angle;
+	var ctx = draw.toolsctx;
+	
+	var radius = [0.12*rad,0.7*rad,0.8*rad,0.88*rad,0.92*rad,rad];
+	var fontSize = rad / 20;
+	var colorRGB = hexToRgb(color);
+	
+	ctx.save();
+	ctx.translate(-draw.drawArea[0],-draw.drawArea[1]); // adjust for drawArea 	
+	ctx.translate(center[0],center[1]);
+	ctx.rotate(angle);
+	
+	ctx.fillStyle = "rgba("+colorRGB.r+","+colorRGB.g+","+colorRGB.b+",0.25)";
+	ctx.beginPath();
+	ctx.moveTo(0-rad,0);
+	ctx.arc(0,0,rad,Math.PI,2*Math.PI);
+	ctx.lineTo(0+rad,0+0.04*rad);
+	ctx.lineTo(0-rad,0+0.04*rad);
+	ctx.lineTo(0-rad,0);
+	ctx.fill();
+	
+	ctx.lineWidth = 1;
+	ctx.strokeStyle = '#000';
+	ctx.fillStyle = '#000';
+	ctx.textAlign = 'center';
+	ctx.textBaseline = 'middle';
+	ctx.font = fontSize + 'px Arial';
+	ctx.beginPath();
+	ctx.moveTo(0-radius[0],0);
+	ctx.arc(0,0,radius[0],Math.PI,2*Math.PI);
+
+	ctx.moveTo(0-radius[0],0);
+	ctx.lineTo(0+radius[0],0);
+
+	var angle = Math.PI;
+	if (boolean(draw.protractor.numbers,true) === true) {
+		ctx.moveTo(0-radius[1],0);
+		ctx.arc(0,0,radius[1],Math.PI,2*Math.PI);
+		ctx.moveTo(0-radius[2],0);
+		ctx.arc(0,0,radius[2],Math.PI,265*Math.PI/180);
+		ctx.moveTo((0+radius[2]*Math.cos(275*Math.PI/180)),(0+radius[2]*Math.sin(275*Math.PI/180)));
+		ctx.arc(0,0,radius[2],275*Math.PI/180,2*Math.PI);
+		for (var i = 0; i < 181; i++) {
+			if (i == 90) {
+				ctx.moveTo(0,0+10);
+				ctx.lineTo(0,0-radius[1]-7);
+				ctx.moveTo(0,0-0.86*rad);
+				ctx.lineTo(0,0-radius[5]);
+				
+				ctx.translate((0+0.8*rad*Math.cos(angle)),(0+0.8*rad*Math.sin(angle)));
+				ctx.rotate(angle+0.5*Math.PI);
+				var largerFont = 1.5 * fontSize; 
+				ctx.font = largerFont + 'px Arial';
+				ctx.fillText(90,0,0);
+				ctx.font = fontSize + 'px Arial';
+				ctx.rotate(-(angle+0.5*Math.PI));
+				ctx.translate(-(0+0.8*rad*Math.cos(angle)),-(0+0.8*rad*Math.sin(angle)));		
+			} else if (i % 10 == 0) {
+				ctx.moveTo(0+radius[0]*Math.cos(angle),0+radius[0]*Math.sin(angle));
+				ctx.lineTo(0+(radius[1]+3)*Math.cos(angle),0+(radius[1]+3)*Math.sin(angle));
+				ctx.moveTo(0+(radius[2]-3)*Math.cos(angle),0+(radius[2]-3)*Math.sin(angle));
+				ctx.lineTo(0+(radius[2]+3)*Math.cos(angle),0+(radius[2]+3)*Math.sin(angle));			
+				ctx.moveTo(0+radius[3]*Math.cos(angle),0+radius[3]*Math.sin(angle));
+				ctx.lineTo(0+radius[5]*Math.cos(angle),0+radius[5]*Math.sin(angle));
+				
+				ctx.translate((0+0.75*rad*Math.cos(angle)),(0+0.75*rad*Math.sin(angle)));
+				ctx.rotate(angle+0.5*Math.PI);
+				ctx.fillText(180-i,0,0);
+				ctx.rotate(-(angle+0.5*Math.PI));
+				ctx.translate(-(0+0.75*rad*Math.cos(angle)),-(0+0.75*rad*Math.sin(angle)));
+				
+				ctx.translate((0+0.845*rad*Math.cos(angle)),(0+0.845*rad*Math.sin(angle)));
+				ctx.rotate(angle+0.5*Math.PI);
+				ctx.fillText(i,0,0);
+				ctx.rotate(-(angle+0.5*Math.PI));
+				ctx.translate(-(0+0.845*rad*Math.cos(angle)),-(0+0.845*rad*Math.sin(angle)));
+			} else if (i % 5 == 0) {
+				ctx.moveTo(0+radius[3]*Math.cos(angle),0+radius[3]*Math.sin(angle));
+				ctx.lineTo(0+radius[5]*Math.cos(angle),0+radius[5]*Math.sin(angle));
+			} else {
+				ctx.moveTo(0+radius[4]*Math.cos(angle),0+radius[4]*Math.sin(angle));
+				ctx.lineTo(0+radius[5]*Math.cos(angle),0+radius[5]*Math.sin(angle));			
+			}
+			angle += Math.PI / 180;
+		}
+	} else {
+		for (var i = 0; i < 181; i++) {
+			if (i == 90) {
+				ctx.moveTo(0,0+10);
+				ctx.lineTo(0,0-radius[5]);	
+			} else if (i % 10 == 0) {
+				ctx.moveTo(0+radius[0]*Math.cos(angle),0+radius[0]*Math.sin(angle));;
+				ctx.lineTo(0+radius[5]*Math.cos(angle),0+radius[5]*Math.sin(angle));
+			} else if (i % 5 == 0) {
+				ctx.moveTo(0+radius[3]*Math.cos(angle),0+radius[3]*Math.sin(angle));
+				ctx.lineTo(0+radius[5]*Math.cos(angle),0+radius[5]*Math.sin(angle));
+			} else {
+				ctx.moveTo(0+radius[4]*Math.cos(angle),0+radius[4]*Math.sin(angle));
+				ctx.lineTo(0+radius[5]*Math.cos(angle),0+radius[5]*Math.sin(angle));			
+			}
+			angle += Math.PI / 180;
+		}
+
+	}
+
+	ctx.stroke();
+	
+	ctx.restore();
+}
+function drawRuler() {
+	var left = draw.ruler.left;
+	var top = draw.ruler.top;
+	var width = draw.ruler.width;
+	var length = draw.ruler.length;
+	var color = draw.ruler.color;
+	var transparent = draw.ruler.transparent;	
+	var angle = draw.ruler.angle;
+	var ctx = draw.toolsctx;
+	
+	var fontSize = width / 6;
+		
+	ctx.save();
+	ctx.translate(left, top);
+	ctx.rotate(angle);
+
+	ctx.beginPath();
+	
+	if (transparent == true) {
+		var colorRGB = hexToRgb(color);
+		ctx.fillStyle = "rgba("+colorRGB.r+","+colorRGB.g+","+colorRGB.b+",0.25)";
+		roundedRect(ctx, 0, 0, length, width, 8, 1, "rgba(0,0,0,0)", "rgba("+colorRGB.r+","+colorRGB.g+","+colorRGB.b+",0.5)");
+	} else {
+		ctx.fillStyle = color;
+		roundedRect(ctx, 0, 0, length, width, 8, 1, '#000', color);
+	}
+
+	if (draw.ruler.markings == true) {
+		var xPos = length * 0.02;
+		var dx = (length * 0.96) / 150;
+		
+		ctx.lineWidth = 1;
+		ctx.strokeStyle = '#000';
+		ctx.fillStyle = '#000';
+		ctx.textAlign = 'center';
+		ctx.textBaseline = 'middle';
+		ctx.font = fontSize + 'px Arial';
+		for (var dCount = 0; dCount <= 150; dCount++) {
+			ctx.beginPath();
+			ctx.moveTo(xPos,0);
+			if (dCount % 10 == 0) {
+				ctx.lineTo(xPos,0.22*width);
+				ctx.fillText(Math.round(0.1*dCount),xPos,0.32*width);
+			} else if (dCount % 5 == 0) {
+				ctx.lineTo(xPos,0.16*width);
+			} else {
+				ctx.lineTo(xPos,0.1*width);
+			}
+			ctx.stroke();
+			xPos += dx;
+		}
+		ctx.beginPath();
+		ctx.moveTo(length*0.5,0.5*width);
+		ctx.lineTo(length*0.51,0.6*width);
+		ctx.lineTo(length*0.49,0.6*width);
+		ctx.lineTo(length*0.5,0.5*width);
+		ctx.fill();
+	}
+	
+	ctx.restore();
+}
+function drawCompass() {
+	if (un(draw.compass)) return;
+	var armLength = draw.compass.armLength;
+	var radius = draw.compass.radius;
+	var h = draw.compass.h;
+	var center1 = draw.compass.center1;
+	var center2 = draw.compass.center2;
+	var center3 = draw.compass.center3;
+	var drawOn = draw.compass.drawOn;
+		
+	var ctx = draw.toolsctx;
+	
+	if (draw.compass.radiusLocked == true || draw.compass.mode == 'draw') {
+		// draw lock button
+		ctx.translate(center2[0],center2[1]);
+		if (drawOn == 'right') {
+			ctx.rotate(draw.compass.angle);
+		} else {
+			ctx.rotate(draw.compass.angle + Math.PI);			
+		}
+	
+		var lockHeight = 0.5 * draw.compass.h;
+	
+		//bar	
+		ctx.fillStyle = '#99F';
+		ctx.strokeStyle = '#000';
+		ctx.lineWidth = 1;
+		ctx.fillRect(-0.25*draw.compass.radius,lockHeight-5,0.5*draw.compass.radius,10);
+		ctx.strokeRect(-0.25*draw.compass.radius,lockHeight-5,0.5*draw.compass.radius,10);
+
+		//circle
+		ctx.fillStyle = '#99F';
+		ctx.strokeStyle = '#333';
+		ctx.lineWidth = 3;
+		ctx.beginPath();
+		ctx.arc(0,lockHeight,15,0,2*Math.PI);
+		ctx.fill();	
+		ctx.stroke();
+
+		//padlock
+		ctx.fillStyle = '#333';
+		ctx.beginPath();
+		ctx.moveTo(6,lockHeight-2);
+		ctx.lineTo(6,lockHeight+3);
+		ctx.arc(0,lockHeight+3,6,0,Math.PI);
+		ctx.lineTo(-6,lockHeight+3);
+		ctx.lineTo(-6,lockHeight-2);
+		ctx.stroke();
+		ctx.fill();
+		
+		//keyhole
+		ctx.fillStyle = '#99F';
+		ctx.beginPath();
+		ctx.arc(0,lockHeight+2.5,1.5,0,2*Math.PI);
+		ctx.fill();
+		ctx.fillRect(-0.5,lockHeight+2.5,1,3);
+		
+		//arm
+		ctx.beginPath();
+		ctx.moveTo(-6,lockHeight+2);
+		ctx.lineTo(-6,lockHeight+2);
+		ctx.arc(0,lockHeight-4,5,Math.PI,2*Math.PI);
+		ctx.lineTo(6,lockHeight+2);
+		ctx.stroke();
+		
+		if (drawOn == 'right') {
+			ctx.rotate(-draw.compass.angle);
+		} else {
+			ctx.rotate(-draw.compass.angle - Math.PI);			
+		}
+		ctx.translate(-center2[0],-center2[1]);
+	} else {
+		// draw lock button
+		ctx.translate(center2[0],center2[1]);
+		if (drawOn == 'right') {
+			ctx.rotate(draw.compass.angle);
+		} else {
+			ctx.rotate(draw.compass.angle + Math.PI);			
+		}
+			
+		var lockHeight = 0.5 * draw.compass.h;
+	
+		//bar	
+		ctx.fillStyle = '#999';
+		ctx.strokeStyle = '#999';
+		ctx.lineWidth = 2;
+		ctx.strokeRect(-0.25*draw.compass.radius,lockHeight-5,0.5*draw.compass.radius,10);
+
+		//circle
+		ctx.fillStyle = mainCanvasFillStyle;
+		ctx.strokeStyle = '#999';
+		ctx.lineWidth = 3;		
+		ctx.beginPath();
+		ctx.arc(0,lockHeight,15,0,2*Math.PI);
+		ctx.fill();	
+		ctx.stroke();
+
+		//padlock
+		ctx.fillStyle = '#999';
+		ctx.beginPath();
+		ctx.moveTo(6,lockHeight-2);
+		ctx.lineTo(6,lockHeight+3);
+		ctx.arc(0,lockHeight+3,6,0,Math.PI);
+		ctx.lineTo(-6,lockHeight+3);
+		ctx.lineTo(-6,lockHeight-2);
+		ctx.stroke();
+		ctx.fill();
+		
+		//keyhole
+		ctx.fillStyle = mainCanvasFillStyle;
+		ctx.beginPath();
+		ctx.arc(0,lockHeight+2.5,1.5,0,2*Math.PI);
+		ctx.fill();
+		ctx.fillRect(-0.5,lockHeight+2.5,1,3);
+		
+		//arm
+		ctx.beginPath();
+		ctx.moveTo(-6,lockHeight-2);
+		ctx.arc(0,lockHeight-4,5,(4/5)*Math.PI,(9/5)*Math.PI);
+		ctx.stroke();
+		
+		if (drawOn == 'right') {
+			ctx.rotate(-draw.compass.angle);
+		} else {
+			ctx.rotate(-draw.compass.angle - Math.PI);			
+		}
+		ctx.translate(-center2[0],-center2[1]);
+	}
+
+	ctx.lineWidth = 2;
+	ctx.strokeStyle = '#000';
+	ctx.fillStyle = '#000';
+
+	var angle2 = -0.5 * Math.PI - Math.atan((center2[1]-center1[1])/(center2[0]-center1[0]));
+	if (center2[0] < center1[0]) angle2 += Math.PI;
+	var angle3 = -0.5 * Math.PI - Math.atan((center3[1]-center2[1])/(center3[0]-center2[0]));
+	if (center2[0] < center3[0]) angle3 += Math.PI;
+	
+	// draw pointy arm
+	ctx.translate(center2[0],center2[1]);
+	ctx.rotate(-angle2);
+	
+	roundedRect(ctx,-7,0,14,armLength-20,3,4,'#000','#99F');
+	ctx.strokeStyle = '#000';
+	ctx.fillStyle = '#CCC';
+	ctx.lineWidth = 0.5;
+	ctx.beginPath();
+	ctx.moveTo(-3,armLength-20);
+	ctx.lineTo(0,armLength);
+	ctx.lineTo(3,armLength-20);
+	ctx.lineTo(-3,armLength-20);
+	ctx.fill();
+	ctx.stroke();
+	ctx.beginPath();
+	ctx.moveTo(0,0);
+	ctx.lineTo(0,armLength-26);
+	ctx.stroke();
+		
+	ctx.rotate(angle2);
+	ctx.translate(-center2[0],-center2[1]);
+
+	// draw pencil arm
+	ctx.translate(center2[0],center2[1]);
+	ctx.rotate(-angle3);
+	
+	if (drawOn == 'right') {
+		var pAngle = Math.PI/14;
+	} else {
+		var pAngle = -Math.PI/14;		
+	}
+	
+	//draw pencil
+	ctx.translate(0,armLength);
+	ctx.rotate(pAngle);
+	
+	ctx.beginPath();
+	ctx.strokeStyle = '#000';
+	ctx.lineWidth = 2;
+	if (draw.color == '#000') {
+		ctx.fillStyle = '#FC3';
+	} else {
+		ctx.fillStyle = draw.color;
+	}
+	ctx.moveTo(0,0);
+	ctx.lineTo(-10,-30);
+	ctx.lineTo(-10,-200);
+	ctx.lineTo(10,-200);	
+	ctx.lineTo(10,-30);
+	ctx.lineTo(0,0);
+	ctx.fill();
+	ctx.stroke();
+	ctx.beginPath();
+	ctx.fillStyle = '#FFC';
+	ctx.moveTo(0,0);
+	ctx.lineTo(-10,-30);
+	ctx.lineTo(10,-30);
+	ctx.lineTo(0,0);
+	ctx.fill();
+	ctx.stroke();
+	ctx.beginPath();
+	ctx.fillStyle = draw.color;
+	ctx.moveTo(0,0);
+	ctx.lineTo(-3,-9);
+	ctx.lineTo(3,-9);
+	ctx.lineTo(0,0);
+	ctx.fill();
+	ctx.stroke();
+	
+	ctx.rotate(-pAngle);	
+	ctx.translate(0,-armLength);
+	
+	ctx.fillStyle = '#99F';
+	ctx.beginPath();
+	if (drawOn == 'right') {
+		ctx.moveTo(-7,0);
+		ctx.lineTo(7,0);
+		ctx.lineTo(7,armLength-95);		
+		ctx.lineTo(7+45*Math.cos(pAngle),armLength-95+45*Math.sin(pAngle));
+		ctx.lineTo(7+45*Math.cos(pAngle)-20*Math.sin(pAngle),armLength-95+45*Math.sin(pAngle)+20*Math.cos(pAngle));
+		ctx.lineTo(-7,armLength-80);
+		ctx.lineTo(-7,0);
+	} else {
+		ctx.moveTo(7,0);
+		ctx.lineTo(-7,0);
+		ctx.lineTo(-7,armLength-95);		
+		ctx.lineTo(-7-45*Math.cos(pAngle),armLength-95-45*Math.sin(pAngle));
+		ctx.lineTo(-7-45*Math.cos(pAngle)-20*Math.sin(pAngle),armLength-95-45*Math.sin(pAngle)+20*Math.cos(pAngle));
+		ctx.lineTo(7,armLength-80);
+		ctx.lineTo(7,0);		
+	}
+	ctx.fill();
+	ctx.stroke();
+
+	ctx.translate(0,armLength);
+	ctx.rotate(pAngle);
+	
+	ctx.beginPath();
+	ctx.strokeStyle = '#000';
+	ctx.lineWidth = 2;
+	ctx.fillStyle = '#000';
+	if (drawOn == 'right') {
+		ctx.moveTo(14,-103);
+		ctx.lineTo(24,-103);
+		ctx.lineTo(24,-67);
+		ctx.lineTo(14,-67);	
+		ctx.lineTo(14,-103);
+	} else {
+		ctx.moveTo(-14,-103);
+		ctx.lineTo(-24,-103);
+		ctx.lineTo(-24,-67);
+		ctx.lineTo(-14,-67);	
+		ctx.lineTo(-14,-103);		
+	}
+	ctx.fill();
+	ctx.stroke();
+	
+	ctx.rotate(-pAngle);	
+	ctx.translate(0,-armLength);
+
+	ctx.strokeStyle = '#000';
+	ctx.fillStyle = '#CCC';
+	ctx.lineWidth = 0.5;
+	ctx.stroke();
+	ctx.beginPath();
+	ctx.moveTo(0,0);
+	ctx.lineTo(0,armLength-86);
+	ctx.stroke();
+
+	ctx.rotate(angle3);
+	ctx.translate(-center2[0],-center2[1]);	
+	
+	// draw top of compass
+	ctx.translate(center2[0],center2[1]);
+	if (drawOn == 'right') {
+		ctx.rotate(draw.compass.angle);
+	} else {
+		ctx.rotate(draw.compass.angle + Math.PI);		
+	}
+	
+	roundedRect(ctx,-15,-30,30,55,10,2,'#000','#000');
+	roundedRect(ctx,-5,-60,10,30,0,2,'#000','#000');	
+	ctx.fillStyle = '#CCC';
+	ctx.beginPath();
+	ctx.arc(0,0,7,0,2*Math.PI);
+	ctx.fill();
+	ctx.strokeStyle = '#000';
+	ctx.lineWidth = 1;
+	ctx.beginPath();
+	ctx.moveTo(-4,-4);
+	ctx.lineTo(4,4);
+	ctx.moveTo(4,-4);
+	ctx.lineTo(-4,4);
+	ctx.stroke();
+
+	if (drawOn == 'right') {
+		ctx.rotate(-draw.compass.angle);
+	} else {
+		ctx.rotate(-draw.compass.angle - Math.PI);		
+	}
+	ctx.translate(-center2[0],-center2[1]);	
+}
diff --git a/tools/i2/_draw2.js b/tools/i2/_draw2.js
new file mode 100644
index 0000000..9bc592d
--- /dev/null
+++ b/tools/i2/_draw2.js
@@ -0,0 +1,8618 @@
+//Javascript document
+
+/***************************/
+/*   LOAD, SAVE, EXPORT    */
+/***************************/
+
+function png(sf,crop) {
+	if (draw.path.length == 0) return
+	if (typeof sf == 'undefined') sf = 1;
+	if (typeof crop == 'undefined') crop = false;
+	deselectAllPaths();
+
+	if (crop == false) {
+		var canvas = drawPathsToCanvas(undefined,draw.path,undefined,sf);
+		//window.open(canvas.toDataURL("image/png").replace("image/png", "image/octet-stream"),'_blank');
+	} else {
+		var l,t,r,b;
+		for (var p = 0; p < draw.path.length; p++) {
+			if (un(l)) {
+				l = draw.path[p].border[0];
+				t = draw.path[p].border[1];
+				r = draw.path[p].border[4];
+				b = draw.path[p].border[5];
+			} else {
+				l = Math.min(l,draw.path[p].border[0]);
+				t = Math.min(t,draw.path[p].border[1]);
+				r = Math.max(r,draw.path[p].border[4]);
+				b = Math.max(b,draw.path[p].border[5]);
+			}
+		}
+		var canvas2 = drawPathsToCanvas(undefined,draw.path,undefined,sf);
+		var canvas = newctx({rect:[0,0,r-l,b-t],vis:false}).canvas;
+		canvas.ctx.drawImage(canvas,-l,-t);
+		//window.open(canvas2.toDataURL("image/png"),'_blank');
+	}
+	
+	saveCanvasAsPNG(canvas,'img.png');
+}
+function pngPath(path,sf,crop) {
+	if (un(path)) var path = draw.path;
+	if (draw.path.length == 0) return
+	if (un(sf)) sf = 1;
+	if (un(crop)) crop = false;
+	deselectAllPaths();
+
+	if (crop == false) {
+		var canvas = drawPathsToCanvas(undefined,path,undefined,sf);
+		window.open(canvas.toDataURL("image/png"),'_blank');
+	} else {
+		var l,t,r,b;
+		for (var p = 0; p < path.length; p++) {
+			if (un(l)) {
+				l = path[p].tightBorder[0];
+				t = path[p].tightBorder[1];
+				r = path[p].tightBorder[4];
+				b = path[p].tightBorder[5];
+			} else {
+				l = Math.min(l,path[p].tightBorder[0]);
+				t = Math.min(t,path[p].tightBorder[1]);
+				r = Math.max(r,path[p].tightBorder[4]);
+				b = Math.max(b,path[p].tightBorder[5]);
+			}
+		}
+		var canvas2 = drawPathsToCanvas(undefined,path,undefined,sf);
+		var canvas = newctx({rect:[0,0,r-l,b-t],vis:false}).canvas;
+		canvas.ctx.drawImage(canvas2,-l,-t);
+		window.open(canvas.toDataURL("image/png").replace("image/png", "image/octet-stream"),'_blank');
+		//window.open(canvas.toDataURL("image/png"),'_blank');
+	}
+	
+	//saveCanvasAsPNG(canvas,'img.png');
+}
+
+if (un(draw)) var draw = {};
+draw.loadPaths = function(url,callback,index,setDrawPaths) {
+	loadScript(url,function(index) {
+		var paths = clone(fileData);
+		delete window.fileData;
+		draw.convertLoadedPaths(paths);
+		if (boolean(setDrawPaths,true) == true) {
+			clearDrawPaths();		
+			draw.path = !un(paths) ? paths : [];
+			draw.updateAllBorders();
+			drawCanvasPaths();
+			draw.undo.reset();
+		}
+		if (typeof callback == 'function') callback(index,paths);
+		return paths;
+	},undefined,index);
+}
+draw.convertLoadedPaths = function(paths) {
+	if (typeof paths == 'undefined') paths = draw.path;
+	for (var p = paths.length-1; p >= 0; p--) {
+		var path = paths[p];
+		path.selected = false;
+		//delete path.qBox;
+		if (!un(path.trigger) && path.trigger.length == 0) delete path.trigger;
+		for (var o = path.obj.length-1; o >= 0; o--) {
+			if (un(path.obj[o])) {
+				console.log(o,path.obj);
+				continue;
+			}
+			var obj = path.obj[o];
+			switch (obj.type) {
+				case 'text':
+					path.obj[o] = draw.convertTextToText2(obj);
+					break;
+				case 'text2':
+					draw.text2.extractStartTags(obj);
+					break;
+				case 'input':
+				case 'button':
+				case 'multChoice':
+					path.obj.splice(o,1);
+					break;
+				case 'table':
+				case 'table2':
+					path.obj[o] = draw.convertTable(obj);
+					break;
+				case 'image':
+					draw.loadImage(obj);
+					break;
+			}
+		}
+		if (path.obj.length == 0) path.splice(p,1);
+	}
+	return paths;
+}
+draw.convertTextToText2 = function(obj) {
+	var align = [-1,-1];
+	if (obj.mathsInput.textAlign == 'left') align[0] = -1;
+	if (obj.mathsInput.textAlign == 'center') align[0] = 0;
+	if (obj.mathsInput.textAlign == 'right') align[0] = 1;
+	if (obj.mathsInput.vertAlign == 'top') align[1] = -1;
+	if (obj.mathsInput.vertAlign == 'middle') align[1] = 0;
+	if (obj.mathsInput.vertAlign == 'bottom') align[1] = 1;
+	
+	var txt = obj.mathsInput.richText;
+	txt = textArrayReplace(txt,'<<br>>',br);
+	txt = textArrayReplace(txt,'Segoe Print','segoePrint');
+	
+	var rect = [obj.left,obj.top,obj.width,obj.height];
+	//console.log('---',obj,obj.mathsInput,obj.mathsInput.leftPoint)
+	if (!un(obj.mathsInput.leftPoint)) {
+		rect[0] += obj.mathsInput.leftPoint;
+		rect[1] += obj.mathsInput.leftPoint;
+		rect[2] -= obj.mathsInput.leftPoint;
+	}
+	
+	var obj2 = {
+		type:'text2',
+		text:txt,
+		rect:rect,
+		align:align
+	}
+	
+	if (obj.showBorder == true) {
+		obj2.box = {type:'loose'};
+		if (!un(obj.fillColor)) obj2.box.color = obj.fillColor;
+		if (!un(obj.color)) obj2.box.borderColor = obj.color;
+		if (!un(obj.thickness)) obj2.box.borderWidth = obj.thickness;
+		if (!un(obj.radius)) obj2.box.radius = obj.radius;
+	}
+	var keysToKeep = ['pathPin','trigger'];
+	for (var k = 0; k < keysToKeep.length; k++) {
+		if (!un(obj[keysToKeep[k]])) obj2[keysToKeep[k]] = obj[keysToKeep[k]];
+	}
+	return obj2;	
+}
+draw.convertTable = function(obj) {
+	if (!un(obj.mInputs)) {
+		for (var r = 0; r < obj.mInputs.length; r++) {
+			for (var c = 0; c < obj.mInputs[r].length; c++) {
+				var m = obj.mInputs[r][c];
+				var txt = m.richText;
+				txt = textArrayReplace(txt,'<<br>>',br);
+				txt = textArrayReplace(txt,'Segoe Print','segoePrint');
+				obj.cells[r][c].text = txt;
+				var align = [0,0];
+				if (m.textAlign == 'left' || m.align == 'left') align[0] = -1;
+				if (m.textAlign == 'right' || m.align == 'right') align[0] = 1;
+				if (m.vertAlign == 'top') align[1] = -1;
+				if (m.vertAlign == 'bottom') align[1] = 1;
+				obj.cells[r][c].align = align;
+				obj.cells[r][c].padding = 10;
+			}
+		}
+	}
+	if (obj.type == 'table') {
+		obj.widths = [];
+		obj.heights = [];
+		for (var x = 0; x < obj.xPos.length-1; x++) obj.widths[x] = obj.xPos[x+1] - obj.xPos[x];
+		for (var y = 0; y < obj.yPos.length-1; y++) obj.heights[y] = obj.yPos[y+1] - obj.yPos[y];
+		obj.type = 'table2';
+	}
+	delete obj.cell;
+	delete obj.mInputs;
+	return obj;	
+}
+draw.loadImage = function(obj) {
+	obj.image = new Image;
+	obj.image.onload = function() {
+		drawCanvasPaths();
+	}
+	if (!un(obj.src)) {
+		obj.image.src = obj.src;
+	} else if (!un(obj.filename)) {
+		obj.image.src = 'images/'+obj.filename;
+	}
+}
+draw.savePaths = function(filePath,fileName,pngData,paths,callback) {
+	if (un(paths)) var paths = clone(draw.path);
+	/*var drawPaths = 'var fileData = '+JSON.stringify(paths,function(key,value) {
+		if (['borderButtons','border','tightBorder','selected','ctx','qBox',"data","cursorData","textLoc","cursorPos","cursorMap","allMap","canvas","ctx","cursorCanvas","cursorctx","startText","startRichText","startTags","stringJS","currBackColor","preText","postText"].includes(key)) return undefined;
+		if (typeof value == 'number') return Number(value.toFixed(3));
+		return value;
+	});*/
+	var drawPaths = draw.stringifyDrawPaths(paths);
+	var params = "filePath="+encodeURIComponent(filePath)+"&fileName="+encodeURIComponent(fileName)+"&drawPaths="+encodeURIComponent(drawPaths);
+	
+	if (un(pngData)) {
+		var canvas = drawPathsToCanvas(undefined,draw.path,undefined,0.15);
+		var pngData = canvas.toDataURL("image/png");
+	}
+	params += "&pngData="+encodeURIComponent(pngData);	
+	console.log(filePath,fileName);
+	
+	var xmlHttp = new XMLHttpRequest();
+	xmlHttp.open("post", "/i2/draw_savePaths.php", true);
+	xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
+	xmlHttp.onreadystatechange = function() {
+		if (this.readyState == 4) {
+			var response = this.responseText == 'true' ? true : false;
+			console.log('saved:',response);
+			if (response == false) console.log(drawPaths);
+			if (!un(callback)) callback();
+		}
+	}
+	xmlHttp.send(params);
+}
+draw.stringifyDrawPaths = function(paths,includeVarFileData) {
+	if (un(paths)) paths = draw.path;
+	paths = draw.compressPaths(paths);
+	var str = draw.stringify(paths);
+	if (boolean(includeVarFileData,true) == true) str = 'var fileData = '+str;
+	return str;
+}
+draw.compressPaths = function(paths) {
+	//paths = clone(paths);
+	for (var p = paths.length-1; p >= 0; p--) {
+		var path = paths[p];
+		draw.compressPath(path);
+		if (path.obj.length == 0) paths.splice(p,1);
+	}
+	//console.log(paths);
+	return paths;
+}
+draw.compressPath = function(path) {
+	function isEmpty(obj) {
+		for(var key in obj) {
+			if(obj.hasOwnProperty(key))
+				return false;
+		}
+		return true;
+	}
+	if (!un(path.isInput) && isEmpty(path.isInput)) delete path.isInput;
+	if (!un(path.interact) && isEmpty(path.interact)) delete path.interact;
+	for (var o = path.obj.length-1; o >= 0; o--) {
+		var obj = path.obj[o];
+		if (!un(obj.interact) && isEmpty(obj.interact)) delete obj.interact;
+		var deleteProperties = ['edit','drawing','textEdit'];
+		if (obj.type == 'text2') {
+			if ((un(obj.text) || textArrayCheckIfEmpty(obj.text)) && un(obj.id) && (un(obj.box) || obj.box.type == 'none')) {
+				path.obj.splice(o,1);
+				continue;
+			}
+			var tags = clone(defaultTags);
+			if (!un(obj.align)) tags.align = obj.align == -1 ? 'left' : obj.align == 1 ? 'right' : 'center'; 
+			if (!un(obj.text)) {
+				obj.text = simplifyText(obj.text);
+				obj.text = textArrayRemoveDefaultTags(obj.text,tags);
+				obj.text = removeTagsOfType(obj.text,'selected');
+			}
+			deleteProperties.push('tightRect');
+		} else if (obj.type == 'table2') {
+			deleteProperties.push('rows','cols','xPos','yPos','width','height','drawing','minCellWidth','minCellHeight','horizAlign');
+			var deleteCellProperties = ['minWidth','minHeight','highlight','selected','styled','tightRect'];
+			var cells = draw.table2.getAllCells(obj);
+			var tags = clone(defaultTags);
+			if (!un(obj.text)) {
+				if (!un(obj.text.font)) tags.font = obj.text.font;
+				if (!un(obj.text.size)) tags.fontSize = obj.text.size;
+				if (!un(obj.text.color)) tags.color = obj.text.color;
+			}
+			for (var c = 0; c < cells.length; c++) {
+				for (var d = 0; d < deleteCellProperties.length; d++) delete cells[c][deleteCellProperties[d]];
+				if (!un(cells[c].trigger) && cells[c].trigger.length == 0) delete cells[c].trigger;
+				if (cells[c].color == 'none') delete cells[c].color;
+				if (!un(cells[c].box) && cells[c].box.type == 'none') delete cells[c].box;
+				if (!un(cells[c].box) && (cells[c].box.color == 'none' && cells[c].box.borderColor == 'none')) delete cells[c].box;
+				if (!un(cells[c].text)) {
+					var cellTags = clone(tags);
+					if (!un(cells[c].align)) cellTags.align = cells[c].align[0] == -1 ? 'left' : cells[c].align[0] == 1 ? 'right' : 'center';
+					cells[c].text = simplifyText(cells[c].text);
+					cells[c].text = textArrayRemoveDefaultTags(cells[c].text,cellTags);
+					cells[c].text = removeTagsOfType(cells[c].text,'selected');
+				}
+			}
+		}/* else if (obj.type == 'polygon') {
+			if (!un(obj.angles)) {
+				for (var a = 0; a < obj.angles.length; a++) {
+					if (un(obj.angles[a])) continue;
+					if (obj.angles[a].drawCurve !== true && obj.angles[a].measureLabelOnly !== false) {
+						delete obj.angles[a];
+					}
+				}
+				if (obj.angles.length == 0) {
+					delete obj.angles;
+				}
+			}
+		}*/
+		for (var d = 0; d < deleteProperties.length; d++) delete obj[deleteProperties[d]];
+		for (var key in obj) if (key.charAt(0) == '_' || (obj[key] instanceof Array && obj[key].isEmpty() == true)) delete obj[key];
+	}
+	delete path.border;
+	delete path.borderButtons;
+	delete path.selected;
+	delete path.tightBorder;
+	return path;
+}
+draw.stringify = function(obj) {
+	var circular = []; // store all objects to check for circular refs
+	var str = stringify(obj);
+	return str;
+	
+	function stringify(obj) {
+		var str = "";
+		if (circular.indexOf(obj) > -1) return "null";
+		if (obj instanceof Array) {
+			for (var i = 0; i < obj.length; i++) {
+				if (typeof obj[i] == 'object') {
+					circular.push(obj);
+					break;
+				}
+			}
+			str += "[";
+			for (var i = 0; i < obj.length; i++) str += stringify(obj[i])+',';
+			if (str.slice(-1) == ',') str = str.slice(0,-1);
+			str += "]";
+		} else if (typeof obj == 'object') {
+			for (var key in obj) {
+				if (typeof obj[key] == 'object') {
+					circular.push(obj);
+					break;
+				}
+			}
+			str += "{";
+			for (var key in obj) {
+				if (['borderButtons','border','tightBorder','selected','ctx','qBox',"data","cursorData","textLoc","cursorPos","cursorMap","allMap","canvas","ctx","cursorCanvas","cursorctx","startText","startRichText","startTags","stringJS","currBackColor","preText","postText"].includes(key) || key.indexOf('_') == 0 || obj.hasOwnProperty(key) == false) continue;
+				var value = stringify(obj[key]);
+				if (value == '') continue;
+				str += '"'+key+'":'+value+",";
+			}
+			if (str.slice(-1) == ',') str = str.slice(0,-1);
+			str += "}";
+		} else if (typeof obj == 'function') {
+			str += obj.toString().replace(/\r?\n|\r|\t/g,"");
+		} else if (typeof obj == 'number') {
+			str += String(Number(obj.toFixed(3)));
+		} else if (typeof obj == 'string') {
+			var escapeString = replaceAll(obj,"\"","\\\"");
+			str += '"'+escapeString+'"';
+		} else if (typeof obj == 'boolean') {
+			str += obj;
+		} else {
+			if (typeof obj !== 'undefined') console.log('draw.stringify type not included: ',typeof obj,obj);
+		}
+		return str;
+	}	
+}
+
+/***************************/
+/*     	PATH DRAWING	   */
+/***************************/
+
+draw.rotationMode = false;
+
+draw.divMode = function() {
+	if (!un(draw.div)) return;
+	
+	var div = document.createElement('div');
+	container.appendChild(div);
+	draw.div = div;
+	div.width = 1225;
+	div.height = 700;
+	div.setAttribute('draggable', 'false');
+	div.setAttribute('class', 'buttonClass');
+	div.style.overflow = 'auto';
+	div.style.cursor = 'default';
+	div.zoom = 1;
+		
+	div.getScrollBarWidth = function() {
+		// https://stackoverflow.com/questions/13382516/getting-scroll-bar-width-using-javascript
+		var outer = document.createElement("div");
+		outer.style.visibility = "hidden";
+		outer.style.width = "100px";
+		outer.style.msOverflowStyle = "scrollbar"; // needed for WinJS apps
+		document.body.appendChild(outer);
+		var widthNoScroll = outer.offsetWidth;
+		outer.style.overflow = "scroll";
+		var inner = document.createElement("div");
+		inner.style.width = "100%";
+		outer.appendChild(inner);        
+		var widthWithScroll = inner.offsetWidth;
+		outer.parentNode.removeChild(outer);
+		return widthNoScroll - widthWithScroll+2;
+	}
+	div.resize = function() {
+		var xsf = canvasDisplayWidth / mainCanvasWidth;
+		var ysf = canvasDisplayHeight / mainCanvasHeight;
+		draw.div.style.left = (canvasDisplayLeft + 0 * xsf) + "px";
+		draw.div.style.top = (0 * ysf) + "px";
+		draw.div.style.width = (1225 * xsf) + "px";
+		draw.div.style.height = (700 * ysf) + "px";
+		draw.div.setZoom(draw.div.zoom);
+	}
+	div.setZoom = function(sf) {
+		if (un(draw.div.scrollBarWidth)) draw.div.scrollBarWidth = draw.div.getScrollBarWidth();
+		var clientRect = canvas.getBoundingClientRect();
+		var viewportWidth = clientRect.width-draw.div.scrollBarWidth;
+		var w = viewportWidth*sf;
+		var h = w*(1700/1200);
+		//var l = 0;
+		//var l = (viewportWidth*(1-sf))/2;
+		var l = Math.max(0,(viewportWidth*(1-sf))/2);
+				
+		for (var p = 0; p < draw.div.children.length; p++) {
+			var pageDiv = draw.div.children[p];
+			pageDiv.pageIndex = 0;
+			pageDiv.style.width = w+'px';
+			pageDiv.style.height = h+'px';
+			pageDiv.style.left = l+'px';
+			for (var c = 0; c < pageDiv.children.length; c++) {
+				var child = pageDiv.children[c];
+				child.style.width = w+'px';
+				child.style.height = h+'px';
+				child.style.left = '0px';
+			}
+		}
+		draw.div.zoom = sf;
+	}
+	div.setPos = function(pos) {
+		var bounds = draw.drawCanvas[0].getBoundingClientRect();
+		draw.div.scrollTop = pos[1]*(1700/bounds.height);
+		draw.div.scrollLeft = pos[0]*(1200/bounds.width);
+	}
+	div.zoomToRect = function(rect) {
+		var sf = Math.min(1200/rect[2],700/rect[3]);
+		draw.div.setZoom(sf);
+		draw.div.setPos(rect);
+	}
+	div.zoomReset = function() {
+		draw.div.zoomToRect([0,0,1200,700]);
+	}
+	div.zoomPageHeight = function() {
+		draw.div.zoomToRect([0,0,1200,1700]);
+	}
+	
+	div.createPageDiv = function(page) {
+		if (!un(page._div)) return;
+		page._div = document.createElement('div');
+		page._div.className = 'page-div';
+		page._div.pageIndex = p;
+		page._div.innerHTML = '';
+		page._drawCanvas = [];
+		for (var i = 0; i < 7; i++) {
+			var pe = i == 6 ? true : false;
+			var canvas = createCanvas(0,0,1200,1700,false,false,pe,draw.zIndex+2*i);
+			canvas.pageIndex = pageIndex;
+			canvas.setAttribute('class', 'drawDivCanvas');
+			if (i == 0) {
+				canvas.style.backgroundColor = '#FFF';
+				canvas.style.border = '1px solid black';
+			}
+			if (i < 5) {
+				page._drawCanvas.push(canvas);
+			} else if (i == 5) {
+				page._toolsCanvas = canvas;
+			} else if (i == 6) {
+				page._cursorCanvas = canvas;
+				canvas.style.pointerEvents = true;
+				canvas.data[7] = true;
+			}
+			page._div.appendChild(canvas);
+		}
+	};
+	
+	/*
+	if (!un(scroller)) hideScroller(scroller);
+	draw.div.setZoom(1);
+	//*/
+	
+	/*
+	for (var c = 0; c < draw.drawCanvas.length; c++) {
+		hideObj(draw.drawCanvas[c]);
+	}
+	hideObj(draw.toolsCanvas);
+	hideObj(draw.cursorCanvas);
+	if (!un(scroller)) hideScroller(scroller);
+	draw.div.setZoom(1);
+	//*/
+	
+	//*
+	var pageDiv = document.createElement('div');
+	pageDiv.className = 'page-div';
+	div.appendChild(pageDiv);
+	div.style.backgroundColor = '#999';
+	
+	draw.drawCanvas[0].style.backgroundColor = '#FFF';
+	draw.drawCanvas[0].style.border = '1px solid black';
+	
+	for (var c = 0; c < draw.drawCanvas.length; c++) {
+		hideObj(draw.drawCanvas[c]);
+		pageDiv.appendChild(draw.drawCanvas[c]);
+		draw.drawCanvas[c].setAttribute('class', 'drawDivCanvas');
+	}
+	hideObj(draw.toolsCanvas);
+	pageDiv.appendChild(draw.toolsCanvas);
+	draw.toolsCanvas.setAttribute('class', 'drawDivCanvas');
+	hideObj(draw.cursorCanvas);
+	pageDiv.appendChild(draw.cursorCanvas);
+	draw.cursorCanvas.setAttribute('class', 'drawDivCanvas');
+	//if (!un(scroller)) hideScroller(scroller);
+	draw.div.setZoom(1);
+	//*/
+}
+draw.multiPage = {
+	on: function() {
+		if (draw.multiPage.isOn === true) return;
+		if (un(draw.div)) draw.divMode();
+		draw.div.innerHTML = '';
+		for (var p = 0; p < file.resources[resourceIndex].pages.length; p++) {
+			var page = file.resources[resourceIndex].pages[p];
+			draw.div.appendChild(page._div);
+			if (page.pageVis === false) {
+				page._drawCanvas.last().style.backgroundColor = colorA('#666',0.65);
+			} else {
+				page._drawCanvas.last().style.backgroundColor = 'none';
+			}
+			//console.log(p,page._div,page._div.parentNode);
+		}
+		draw.multiPage.isOn = true;
+		draw.div.setZoom(1);
+		hideObj(draw.drawCanvas);
+		hideObj(draw.toolsCanvas);
+		hideObj(draw.cursorCanvas);
+		draw.multiPage.pageFocus(pIndex);
+		draw.multiPage.scrollToPage(pIndex);
+		draw.div.onscroll = draw.multiPage.onscroll;
+	},
+	off: function() {
+		if (draw.multiPage.isOn !== true) return;
+		for (var c = draw.div.children.length-1; c >= 0; c--) {
+			if (c == pIndex) continue;
+			draw.div.removeChild(draw.div.children[c]);
+		}
+		draw.multiPage.isOn = false;
+		draw.div.onscroll = function() {};
+	},
+	/*addPageCanvases: function(page,pageIndex) {
+		page._drawCanvas = [];
+		for (var i = 0; i < 7; i++) {
+			var pe = i == 6 ? true : false;
+			var canvas = createCanvas(0,0,1200,1700,false,false,pe,draw.zIndex+2*i);
+			canvas.pageIndex = pageIndex;
+			canvas.setAttribute('class', 'drawDivCanvas');
+			if (i == 0) {
+				canvas.style.backgroundColor = '#FFF';
+				canvas.style.border = '1px solid black';
+				drawPathsToCanvas(canvas,page.paths);
+			}
+			if (i < 5) {
+				page._drawCanvas.push(canvas);
+			} else if (i == 5) {
+				page._toolsCanvas = canvas;
+			} else if (i == 6) {
+				page._cursorCanvas = canvas;
+				canvas.style.pointerEvents = true;
+				canvas.data[7] = true;
+			}
+		}
+		//console.log(pageIndex,page);
+		addListenerMove(page._cursorCanvas,draw.multiPage.changePageListener);
+	},*/
+	changePageListener: function(e) {
+		draw.multiPage.changePage(e.target.pageIndex);
+	},
+	changePage: function(p) {
+		draw.multiPage.pageBlur(pIndex);
+		pIndex = p;
+		draw.multiPage.pageFocus(pIndex);		
+	},
+	pageBlur: function(p) {
+		if (!un(pages[p])) {
+			var page = pages[p];
+			page.paths = [];
+			page.pen = [];
+			for (var p2 = 0; p2 < draw.path.length; p2++) {
+				if (draw.path[p2]._deletable === false) {
+					page.paths.push(draw.path[p2]);
+				} else {
+					page.pen.push(draw.path[p2]);
+				}
+			}
+			page._cursorPositions = draw.cursorPositions;
+		}
+		draw.path = [];
+		addListenerMove(draw.cursorCanvas,draw.multiPage.changePageListener);
+		removeListenerMove(draw.cursorCanvas,drawCanvasMove);
+		removeListenerStart(draw.cursorCanvas,drawCanvasStart);
+		draw.interact.stopAnimation();
+	},
+	pageFocus: function(p) {
+		var page = pages[p];
+		draw.drawCanvas = page._drawCanvas;
+		draw.toolsCanvas = page._toolsCanvas;
+		draw.cursorCanvas = page._cursorCanvas;
+		removeListenerMove(draw.cursorCanvas,draw.multiPage.changePageListener);
+		addListenerMove(draw.cursorCanvas,drawCanvasMove);
+		addListenerStart(draw.cursorCanvas,drawCanvasStart);
+		
+		//console.log(p,clone(pages[p]));
+		
+		if (!un(page.paths)) {
+			for (var p = 0; p < page.paths.length; p++) page.paths[p]._deletable = false;
+			draw.path = page.paths;
+		}
+
+		if (!un(pages[pIndex].pen)) draw.path = draw.path.concat(pages[pIndex].pen);
+			
+		if (!un(page._cursorPositions)) {
+			draw.cursorPositions = page._cursorPositions;
+		} else {
+			for (var p = 0; p < draw.path.length; p++) {
+				draw.path[p].selected = false;
+				updateBorder(draw.path[p]);
+			}
+			calcCursorPositions();
+		}
+		presentButtons.update();
+	},
+	scrollToPage: function(p) {
+		if (draw.multiPage.isOn !== true) return;
+		if (un(draw.div.children[p])) return;
+		draw.div.children[p].scrollIntoView(true);
+		draw.multiPage.changePage(p);
+	},
+	onscroll: function(e) {
+		var p = Math.floor(pages.length*draw.div.scrollTop/draw.div.scrollHeight);
+		if (p == pIndex) return;
+		draw.multiPage.changePage(p);
+	}
+}
+
+draw.getColorAtPixel = function(x,y) {
+	var color;
+	for (var i = 0; i < draw.drawCanvas.length; i++) {
+		var p = draw.drawCanvas[i].ctx.getImageData(x,y,1,1).data;
+		if (p[3] === 0) continue;
+		color = 'rgba('+p[0]+', '+p[1]+', '+p[2]+', '+p[3]+')';
+	}
+	if (un(color)) color = mainCanvasFillStyle;
+	return color;
+
+}
+
+function drawCanvasPaths() {
+	if (typeof draw.beforeDraw == 'function') draw.beforeDraw();
+	while (draw.drawCanvas.length < 5) addDrawCanvas();
+	
+	draw.drawCanvas[0].ctx.clear(); // unselected
+	draw.drawCanvas[1].ctx.clear(); // selected
+	draw.drawCanvas[2].ctx.clear(); // overlay (eg. construction buttons)
+	//draw.drawCanvas[3]; // select canvas 1 (movable)
+	//draw.drawCanvas[4]; // select canvas 2 (static)
+	
+	var drawFirst = [], unselected = [], drawLast = [], overlay = [], selected = [];
+	for (var p = 0; p < draw.path.length; p++) {
+		var path = draw.path[p];
+		for (var o = 0; o < path.obj.length; o++) path.obj[o]._path = path;
+		//if (path._visible == false) continue;
+		/*if (draw.mode == 'interact' && !un(path.isInput)) {
+			if (path.isInput.type == 'drag') {
+				if (un(path._canvas)) {
+					updateBorder(path);
+					var rect = clone(path.tightBorder);
+					rect[0] += -3 - draw.drawRelPos[0];
+					rect[1] += -3 - draw.drawRelPos[1];
+					rect[2] += 6;
+					rect[3] += 6;
+					
+					path._canvas = newctx({rect:rect,drag:true,pe:true,z:10000}).canvas;
+					path._canvas.drawPos = clone(path.tightBorder);
+					path._canvas.dragPath = path;
+					if (!un(path.isInput.dragArea)) path._canvas.dragArea = path.isInput.dragArea;
+					path._canvas.ctx.translate(-rect[0],-rect[1]);
+					for (var o = 0; o < path.obj.length; o++) {
+						drawObjToCtx(path._canvas.ctx,path,path.obj[o],1,1,0,0);
+					}
+				}
+				showObj(path._canvas);
+				continue;
+			}
+		}
+		if (draw.mode !== 'interact' && !un(path._canvas)) {
+			hideObj(path._canvas);
+		}*/
+		if (path.selected == true || path._interacting === true) {
+			selected.push(path);
+		} else {
+			var isOverlay = false; drawFirst1 = false; drawLast1 = false;
+			for (var o = 0; o < path.obj.length; o++) {
+				var obj = path.obj[o];
+				if (!un(obj.interact) && obj.interact.overlay == true) {
+					isOverlay = true;
+					break;
+				} else if (obj.drawFirst == true || obj.type == 'qTable') {
+					drawFirst1 = true;
+					break;
+				} else if (obj.drawLast == true) {
+					drawLast1 = true;
+					break;
+				}
+			}
+			if (isOverlay == true) {
+				overlay.push(path);
+			} else if (drawFirst1 == true) {
+				drawFirst.push(path);
+			} else if (drawLast1 == true) {
+				drawLast.push(path);
+			} else {				
+				unselected.push(path);
+			}
+		}
+	}
+	if (draw.mode !== 'interact' && draw.drawing == true && draw.path.last().selected !== true) selected.push(unselected.pop());
+
+	draw.pathCursorOrder = drawFirst.concat(unselected).concat(drawLast).concat(selected).concat(overlay);
+	
+	for (var p = 0; p < draw.pathCursorOrder.length; p++) {
+		var path = draw.pathCursorOrder[p];
+		for (var o = 0; o < path.obj.length; o++) {
+			var obj = path.obj[o];
+			if (un(draw[obj.type])) continue;
+			if (typeof draw[obj.type].drawUnderlay === 'function') draw[obj.type].drawUnderlay(draw.drawCanvas[0].ctx,obj,path);
+		}
+	}
+	
+	if (drawFirst.length > 0) drawPathsToCanvas(draw.drawCanvas[0],drawFirst);
+	if (unselected.length > 0) drawPathsToCanvas(draw.drawCanvas[0],unselected);
+	if (drawLast.length > 0) drawPathsToCanvas(draw.drawCanvas[0],drawLast);
+
+	if (draw.mode == 'interact' && draw.appearMode == true) { // draw appear button positions
+		var ctx = draw.drawCanvas[0].ctx;
+		for (var p = 0; p < draw.path.length; p++) {
+			var path = draw.path[p];
+			if (un(path.appear) || path.appear.active === false) continue;
+			var visible = boolean(path._visible,false);
+			if (visible == true && path.appear.reversible !== true) continue;
+			if (typeof path.appear.visible == 'function' && path.appear.visible(path) === false) continue;
+			if (typeof path.appear.visible == 'string') {
+				var testPath = draw.getPathById(path.appear.visible);
+				if (testPath !== false && getPathVis(testPath) == false) {
+					continue;
+				}
+			}
+			if (un(path.appear.pos)) {
+				if (un(path.border)) updateBorder(path);
+				if (un(path.border)) continue;
+				var l = path.border[0]+0.5*path.border[2]-20;
+				var t = path.border[1]+0.5*path.border[3]-20;
+			} else {
+				var l = path.appear.pos[0]-20;
+				var t = path.appear.pos[1]-20;
+			}
+			if (visible == false) {
+				roundedRect(ctx, l+3, t+3, 40 - 6, 40 - 6, 3, 6, '#96C', '#C9F');	
+				ctx.beginPath();
+				ctx.fillStyle = '#FFF';
+				drawStar({
+					ctx: ctx,
+					center: [l+20,t+20],
+					radius: 12,
+					points: 5
+				});
+				ctx.fill();
+			} else {
+				roundedRect(ctx, l+3, t+3, 40 - 6, 40 - 6, 3, 6, colorA('#C9F',0.75), '#FFF');	
+				ctx.beginPath();
+				ctx.fillStyle = colorA('#C9F',0.75);
+				drawStar({
+					ctx: ctx,
+					center: [l+20,t+20],
+					radius: 12,
+					points: 5
+				});
+				ctx.fill();
+			}
+		}
+	}
+		
+	if (selected.length > 0) drawPathsToCanvas(draw.drawCanvas[1],selected);
+	if (overlay.length > 0) drawPathsToCanvas(draw.drawCanvas[2],overlay);
+	
+	for (var p = 0; p < draw.pathCursorOrder.length; p++) {
+		var path = draw.pathCursorOrder[p];
+		for (var o = 0; o < path.obj.length; o++) {
+			var obj = path.obj[o];
+			if (un(draw[obj.type])) continue;
+			if (typeof draw[obj.type].drawOverlay === 'function') draw[obj.type].drawOverlay(draw.drawCanvas[2].ctx,obj,path);
+		}
+	}
+	
+	drawSelectCanvas();
+	drawSelectCanvas2();
+	draw.undo.saveState();
+	
+	/*window.requestIdleCallback(function() {
+		draw.fillPath.updateDrawPolygons();
+	});*/
+	
+	if (typeof draw.afterDraw == 'function') draw.afterDraw();
+	if (draw.mode === 'edit' && !un(window.pathList) && typeof window.pathList.update == 'function') window.pathList.update();
+	draw.ids.update();
+	/*if (draw.mode === 'edit' && !un(previews) && !un(previews.updateCurrentPage)) {
+		previews.updateCurrentPage()
+	}*/
+}
+function drawSelectedPaths(drawOverlay) {
+	while (draw.drawCanvas.length < 4) addDrawCanvas();
+	draw.drawCanvas[1].ctx.clear();
+	
+	var selected = [];
+	for (var p = 0; p < draw.path.length; p++) {
+		var path = draw.path[p];
+		if (path.selected == true || path._interacting === true) {
+			selected.push(draw.path[p]);
+		}
+	}
+	if (draw.drawing == true && draw.path.last().selected !== true) selected.push(draw.path.last());	
+	if (selected.length > 0) drawPathsToCanvas(draw.drawCanvas[1],selected);
+	
+	/*if (drawOverlay !== false) {
+		draw.drawCanvas[2].ctx.clear();
+		for (var p = 0; p < selected.length; p++) {
+			var path = selected[p];
+			for (var o = 0; o < path.obj.length; o++) {
+				var obj = path.obj[o];
+				if (un(draw[obj.type])) continue;
+				if (typeof draw[obj.type].drawOverlay === 'function') draw[obj.type].drawOverlay(draw.drawCanvas[2].ctx,obj,path);
+			}
+		}
+		
+		if (draw.mode !== 'interact') {
+			drawSelectCanvas();
+			drawSelectCanvas2();
+			draw.undo.saveState();
+		}
+	}*/
+}
+
+function drawPathsToCanvas(canvas2,paths,triggerNum,sf,backColor,relPos,fillBack,drawAllPaths,log) {
+	if (un(paths)) return;
+	if (un(sf)) sf = draw.scale || 1;
+	if (un(backColor)) backColor = mainCanvasFillStyle;
+	if (un(drawAllPaths)) drawAllPaths = false;
+	if (un(canvas2)) {
+		var canvas = document.createElement('canvas');
+		canvas.width = draw.drawCanvas[0].width*sf;
+		canvas.height = draw.drawCanvas[0].height*sf;
+		canvas.data = clone(draw.drawCanvas[0].data);
+		canvas.data[2] = draw.drawCanvas[0].data[2]*sf;
+		canvas.data[3] = draw.drawCanvas[0].data[3]*sf;
+		canvas.data[102] = draw.drawCanvas[0].data[102]*sf;
+		canvas.data[103] = draw.drawCanvas[0].data[103]*sf;
+	} else {
+		var canvas = canvas2;
+	}
+	
+	//if (!un(draw.drawCanvas)) console.log(draw.drawCanvas.indexOf(canvas2),canvas2,paths);
+	var ctx = canvas.getContext('2d');	
+	ctx.setTransform(1, 0, 0, 1, 0, 0);
+	if (relPos instanceof Array) ctx.translate(relPos[0],relPos[1]);
+	if (sf !== 1) ctx.scale(sf,sf);
+	if (boolean(fillBack,false) == true) {
+		ctx.fillStyle = backColor;
+		ctx.fillRect(0,0,canvas.width,canvas.height);
+	}
+	
+	for (var p = 0; p < paths.length; p++) {
+		var path = paths[p];
+		
+		if (un(path) || (drawAllPaths == false && getPathVis(path) == false)) continue;
+		if (path.notesOverlay === true && draw.notesOverlay !== true) continue;
+		if (!un(path.rotation)) {
+			ctx.translate(path.border[0]+0.5*path.border[2],path.border[1]+0.5*path.border[3]);
+			ctx.rotate(path.rotation);
+			ctx.translate(-path.border[0]-0.5*path.border[2],-path.border[1]-0.5*path.border[3]);
+		}
+		for (var o = 0; o < path.obj.length; o++) {
+			if (un(path.obj[o])) continue;
+			var obj = path.obj[o];
+				
+			if (drawAllPaths == false && typeof obj.trigger !== 'undefined' && draw.ansMode == true && obj.trigger[0] == false && draw.showAns == false) continue;
+			if (obj.visible === false || obj.vis === false) continue;
+
+			if (log === true && obj.type === 'text2' && obj.text[0].indexOf("3. ") === 0) console.log(obj);
+			
+			drawObjToCtx(ctx,path,obj,1,1,0,0,1);
+		}
+		if (!un(path.rotation)) {
+			ctx.translate(path.border[0]+0.5*path.border[2],path.border[1]+0.5*path.border[3]);
+			ctx.rotate(-path.rotation);
+			ctx.translate(-path.border[0]-0.5*path.border[2],-path.border[1]-0.5*path.border[3]);
+		}
+	}
+	
+	ctx.setTransform(1, 0, 0, 1, 0, 0);
+	return canvas;
+}
+function getPathVis(path) {
+	if (typeof path == 'string') {
+		path = draw.getPathById(path);
+		if (path == false) return false;
+	}
+	if (un(path)) return false;
+	if (!un(path._path)) path = path._path;
+	if (path.notesOverlay === true && draw.notesOverlay !== true) return false;
+	if (!un(path.appear) && typeof path.appear.visible == 'function') {
+		var visibleTest = path.appear.visible(path);
+		if (visibleTest === true) return true;
+		if (visibleTest === false) return false;
+	}
+	if (!un(path.appear) && typeof path.appear.visible == 'string') {
+		if (getPathVis(path.appear.visible) == false) return false;
+	}
+	if (boolean(path.vis,true) == false) return false;
+	if (boolean(path._visible,true) == false) return false;
+	var vis = true;
+	if (typeof path.trigger == 'object') {
+		for (var l = 0; l <= draw.triggerNum; l++) {
+			if (typeof path.trigger[l] == 'boolean' && path.trigger[l] == true) {
+				vis = true;
+			} else if (typeof path.trigger[l] == 'boolean' && path.trigger[l] == false) {
+				vis = false;
+			}
+		}
+		if (draw.triggerNum == 1 && arraysEqual(path.trigger,[false])) vis = true;
+	}
+	return vis;	
+}
+function drawObjToCtx(ctx,path,obj) {
+	if (!un(obj.trigger) && draw.ansMode == true && obj.trigger[0] == false && draw.showAns == false) return;
+	
+	if (!un(draw[obj.type]) && !un(draw[obj.type].draw)) {
+		ctx.save();
+		ctx.lineWidth = obj.thickness || obj.lineWidth || 2;
+		ctx.strokeStyle = obj.lineColor || obj.strokeStyle || obj.color || '#000';
+		ctx.fillStyle = obj.fillColor || obj.fillStyle || 'none';
+		ctx.beginPath();
+		draw[obj.type].draw(ctx,obj,path);
+		ctx.restore();
+		ctx.setLineDash([]);
+		return;
+	}
+}
+
+function drawSelectCanvas() { // movable draw canvas
+	var canvas = draw.drawCanvas.last();
+	var ctx = canvas.ctx;
+	ctx.clearRect(draw.drawArea[0],draw.drawArea[1],draw.drawArea[2],draw.drawArea[3]);
+	if (draw.mode === 'interact') {
+		
+		return;
+	}
+	ctx.scale(draw.scale,draw.scale);
+	var paths = selPaths();
+	for (var p = 0; p < paths.length; p++) {
+		var path = paths[p];
+		/*if (draw.rotationMode == true && !un(path.rotation) && path.rotation !== 0) {
+			ctx.translate(path.border[0]+0.5*path.border[2],path.border[1]+0.5*path.border[3]);
+			ctx.rotate(path.rotation);
+			ctx.translate(-path.border[0]-0.5*path.border[2],-path.border[1]-0.5*path.border[3]);	
+		}*/
+		if (draw.mode !== 'interact') {
+			drawBorderButtons(path);
+			ctx.strokeStyle = draw.selectColor;
+			ctx.lineWidth = 1;
+			ctx.strokeRect(path.border[0],path.border[1],path.border[2],path.border[3]);
+		}
+		if (!un(draw.controlPanel) && paths.length == 1 && path.obj.length == 1 && ['three','qBox'].indexOf(path.obj[0].type) > -1) draw.controlPanel.draw(ctx,path.obj[0],path);
+		/*if (draw.rotationMode == true) {
+			ctx.beginPath();
+			ctx.moveTo(path.border[0]+0.5*path.border[2],path.border[1]);
+			ctx.lineTo(path.border[0]+0.5*path.border[2],path.border[1]-30);
+			ctx.stroke();
+			ctx.fillStyle = draw.selectColor;
+			ctx.beginPath();
+			ctx.arc(path.border[0]+0.5*path.border[2],path.border[1]-30,10,0,2*Math.PI);
+			ctx.fill();
+		}*/
+		//draw center lines
+		/*ctx.beginPath();
+		ctx.moveTo(path.border[0]+0.5*path.border[2],path.border[1]);
+		ctx.lineTo(path.border[0]+0.5*path.border[2],path.border[1]+path.border[3]);
+		ctx.moveTo(path.border[0],path.border[1]+0.5*path.border[3]);
+		ctx.lineTo(path.border[0]+path.border[2],path.border[1]+0.5*path.border[3]);
+		ctx.stroke();*/
+		/*if (draw.rotationMode == true && !un(path.rotation) && path.rotation !== 0) {
+			ctx.translate(path.border[0]+0.5*path.border[2],path.border[1]+0.5*path.border[3]);
+			ctx.rotate(-path.rotation);
+			ctx.translate(-path.border[0]-0.5*path.border[2],-path.border[1]-0.5*path.border[3]);	
+		}*/
+	}
+	//if (!un(draw.controlPanel2) && !un(draw.controlPanel2.ctx)) draw.controlPanel2.draw();
+	ctx.setTransform(1, 0, 0, 1, 0, 0);
+	//console.log('-----');
+}
+function drawSelectCanvas2(){ // static draw canvas
+	var canvas = draw.drawCanvas[draw.drawCanvas.length-2];
+	var ctx = canvas.ctx;
+	ctx.clearRect(draw.drawArea[0],draw.drawArea[1],draw.drawArea[2],draw.drawArea[3]);
+	if (draw.mode === 'interact') {
+		calcCursorPositions();			
+		return;
+	}	
+	ctx.scale(draw.scale,draw.scale);
+	//ctx.fillStyle = colorA('#F00',0.2);
+	//ctx.fillRect(draw.drawArea[0],draw.drawArea[1],draw.drawArea[2],draw.drawArea[3]);
+	
+	if (draw.appearMoveMode == true) {
+		ctx.strokeStyle = '#999';
+		ctx.lineWidth = 1;
+		ctx.beginPath();
+		for (var x = 0; x < draw.drawArea[2]; x += 10) {
+			ctx.moveTo(x,0);
+			ctx.lineTo(x,draw.drawArea[3]);
+		}
+		for (var y = 0; y < draw.drawArea[3]; y += 10) {
+			ctx.moveTo(0,y);
+			ctx.lineTo(draw.drawArea[2],y);
+		}
+		ctx.stroke();
+		ctx.lineWidth = 3;
+		ctx.beginPath();
+		for (var x = 0; x < draw.drawArea[2]; x += 100) {
+			ctx.moveTo(x,0);
+			ctx.lineTo(x,draw.drawArea[3]);
+		}
+		for (var y = 0; y < draw.drawArea[3]; y += 100) {
+			ctx.moveTo(0,y);
+			ctx.lineTo(draw.drawArea[2],y);
+		}
+		ctx.stroke();
+
+	}
+	if (draw.mode == 'edit' && draw.appearMode == true) { // draw appear button positions
+		for (var p = 0; p < draw.path.length; p++) {
+			var path = draw.path[p];
+			if (un(path.appear)) continue;
+			if (un(path.border)) updateBorder(path);
+			if (un(path.border)) continue;
+			if (un(path.appear.pos)) {
+				var l = path.border[0]+0.5*path.border[2]-20;
+				var t = path.border[1]+0.5*path.border[3]-20;
+			} else {
+				var l = path.appear.pos[0]-20;
+				var t = path.appear.pos[1]-20;
+			}
+			w = 40; h = 40;
+			if (path.selected == true) {
+				ctx.fillStyle = colorA('#96C',0.66);
+				ctx.fillRect(l,t,w,h);
+				ctx.lineWidth = 1;
+				ctx.beginPath();
+				ctx.fillStyle = mainCanvasFillStyle;
+				drawStar({ctx:ctx,center:[l+0.5*w,t+0.5*h],radius:0.4*Math.min(w,h),points:5});
+				ctx.fill();
+			} else {
+				ctx.fillStyle = colorA('#96C',0.33);
+				ctx.fillRect(l,t,w,h);
+				ctx.lineWidth = 1;
+				ctx.beginPath();
+				ctx.fillStyle = mainCanvasFillStyle;
+				drawStar({ctx:ctx,center:[l+0.5*w,t+0.5*h],radius:0.4*Math.min(w,h),points:5});
+				ctx.fill();
+			}
+		}
+	}
+	
+	if (draw.drawMode == 'selectRect') {
+		ctx.save();
+		ctx.strokeStyle = '#000';
+		ctx.lineWidth = 1;
+		if (!ctx.setLineDash) {ctx.setLineDash = function () {}}
+		ctx.setLineDash([5,5]);
+		ctx.strokeRect(draw.selectRect[0],draw.selectRect[1],draw.selectRect[2],draw.selectRect[3]);	
+		ctx.setLineDash([]);
+		ctx.restore();
+	} else if (draw.drawMode == 'zoomRect') {
+		ctx.save();
+		ctx.strokeStyle = '#000';
+		ctx.lineWidth = 1;
+		if (!ctx.setLineDash) {ctx.setLineDash = function () {}}
+		ctx.setLineDash([5,5]);
+		ctx.strokeRect(draw.zoomRect[0],draw.zoomRect[1],draw.zoomRect[2],draw.zoomRect[3]);	
+		ctx.setLineDash([]);
+		ctx.restore();
+	}
+	/*if (draw.showSnapPoints == true) {
+		ctx.fillStyle = '#F00';
+		for (var i = 0; i < draw.snapPoints.length; i++) {
+			ctx.beginPath();
+			//console.log(draw.snapPoints[i][0],draw.snapPoints[i][1]);
+			ctx.arc(draw.snapPoints[i][0],draw.snapPoints[i][1],5,0,2*Math.PI);
+			ctx.fill();
+		}
+	}*/
+	ctx.setTransform(1, 0, 0, 1, 0, 0);
+	calcCursorPositions();	
+}
+function drawBorderButtons(path) {
+	if (un(path.borderButtons)) return;
+	var buttons = path.borderButtons;
+	var canvas = draw.drawCanvas.last();
+	var ctx = canvas.ctx;
+	for (var i = 0; i < buttons.length; i++) {
+		if (un(buttons[i].dims)) continue;
+		var l = buttons[i].dims[0];
+		var t = buttons[i].dims[1];
+		var w = buttons[i].dims[2];
+		var h = buttons[i].dims[3];
+		var path = draw.path[buttons[i].pathNum];
+		if (typeof buttons[i].draw == 'function') {
+			buttons[i].draw(path,ctx,l,t,w,h);
+			continue;
+		}
+		switch (buttons[i].buttonType) {
+			case 'isInput-type':
+				text({ctx:ctx,rect:[l,t,w,h],align:[0,0],text:['<<fontSize:16>>'+buttons[i].type],box:{type:'loose',color:'#F96',borderColor:'#F96'}});
+				break;
+			case 'isInput-dragArea-snapToggle':
+				var snap = boolean(path.isInput.snap,false);
+				if (snap == true) {
+					ctx.fillStyle = '#00F';
+					ctx.fillRect(l,t,w,h);
+					var color = '#FFF';
+				} else {
+					var color = '#00F';
+				}
+				ctx.lineWidth = 2;
+				ctx.strokeStyle = '#00F';
+				ctx.strokeRect(l,t,w,h);
+				var textColor = snap == true ? '#FFF' : '#00F';
+				text({ctx:ctx,rect:[l,t,w,h],align:[0,0],text:['<<color:'+textColor+'>><<fontSize:'+(h*0.75)+'>>snap']});
+				break;
+			case 'isInput-drag-value':
+				var path = draw.path[buttons[i].pathNum];
+				var value = path.isInput.value !== "" ? path.isInput.value : '<<italic:true>>no value';
+				text({ctx:ctx,rect:[l,t,w,h],align:[0,0],text:['<<fontSize:16>>'+value],box:{type:'loose',color:'#F96',borderColor:'#F96'}});
+				break;
+			case 'isInput-drag-shuffleToggle':
+				var path = draw.path[buttons[i].pathNum];
+				var shuffle = boolean(path.isInput.shuffle,false);
+				if (shuffle == true) {
+					ctx.fillStyle = '#00F';
+					ctx.fillRect(l,t,w,h);
+					var color = '#FFF';
+				} else {
+					var color = '#00F';
+				}
+				ctx.lineWidth = 2;
+				ctx.strokeStyle = '#00F';
+				ctx.strokeRect(l,t,w,h);
+				var textColor = shuffle == true ? '#FFF' : '#00F';
+				text({ctx:ctx,rect:[l,t,w,h],align:[0,0],text:['<<color:'+textColor+'>><<fontSize:'+(h*0.75)+'>>shuffle']});
+				break;
+			case 'select-input-selColors':
+				var colors = buttons[i].selColors;
+				ctx.fillStyle = colors[0];
+				ctx.beginPath();
+				ctx.moveTo(l,t);
+				ctx.lineTo(l+w,t);
+				ctx.lineTo(l,t+h);
+				ctx.lineTo(l,t);
+				ctx.fill();
+				ctx.fillStyle = colors[1];
+				ctx.beginPath();
+				ctx.moveTo(l,t+w);
+				ctx.lineTo(l+w,t+h);
+				ctx.lineTo(l+w,t);
+				ctx.lineTo(l,t+w);
+				ctx.fill();
+				break;
+			case 'select-input-shuffleToggle':
+				var path = draw.path[buttons[i].pathNum];
+				var shuffle = boolean(path.isInput.shuffle,false);
+				if (shuffle == true) {
+					ctx.fillStyle = '#00F';
+					ctx.fillRect(l,t,w,h);
+					var color = '#FFF';
+				} else {
+					var color = '#00F';
+				}
+				ctx.lineWidth = 2;
+				ctx.strokeStyle = '#00F';
+				ctx.strokeRect(l,t,w,h);
+				var textColor = shuffle == true ? '#FFF' : '#00F';
+				text({ctx:ctx,rect:[l,t,w,h],align:[0,0],text:['<<color:'+textColor+'>><<fontSize:'+(h*0.75)+'>>shuffle']});
+				break;
+			case 'select-input-cellToggle':
+				var cell = draw.path[buttons[i].pathNum].obj[0].cells[buttons[i].row][buttons[i].col];
+				if (cell.ans == true) {
+					ctx.fillStyle = '#060';
+					ctx.fillRect(l,t,w,h);
+					var color = '#FFF';
+				} else {
+					var color = '#060';
+				}
+				ctx.lineWidth = 2;
+				ctx.strokeStyle = '#060';
+				ctx.strokeRect(l,t,w,h);
+				drawTick(ctx,w*0.8,h,color,l+w*0.1,t,w*0.1);
+				break;
+			case 'text-input-prevAns':
+				drawArrow({ctx:ctx,startX:l+0.75*w,startY:t+0.5*h,finX:l+0.25*w,finY:t+0.5*h,arrowLength:0.5*w,color:'#393',lineWidth:2,fillArrow:true,doubleEnded:false,angleBetweenLinesRads:0.5});
+				break;
+			case 'text-input-ansInfo':
+				text({ctx:ctx,rect:[l,t,w,h],align:[0,0],text:['<<fontSize:16>>'+buttons[i].text]});
+				break;				
+			case 'text-input-nextAns':
+				drawArrow({ctx:ctx,startX:l+0.25*w,startY:t+0.5*h,finX:l+0.75*w,finY:t+0.5*h,arrowLength:0.5*w,color:'#393',lineWidth:2,fillArrow:true,doubleEnded:false,angleBetweenLinesRads:0.5});
+				break;
+			case 'text-input-algText':
+				if (buttons[i].algText) {
+					ctx.fillStyle = colorA('#393',0.5);
+					ctx.fillRect(l,t,w,h);
+				}
+				text({ctx:ctx,rect:[l,t,w,h],align:[0,0],text:['<<fontSize:16>><<font:algebra>>x']});
+				break;
+			case 'text-input-num':
+				if(buttons[i].num) {
+					ctx.fillStyle = colorA('#393',0.5);
+					ctx.fillRect(l,t,w,h);
+				}
+				text({ctx:ctx,rect:[l,t,w,h],align:[0,0],text:['<<fontSize:16>>#']});				
+				break;
+			case 'text-input-oe':
+				if(buttons[i].oe) {
+					ctx.fillStyle = colorA('#393',0.5);
+					ctx.fillRect(l,t,w,h);
+				}
+				text({ctx:ctx,rect:[l,t,w,h],align:[0,0],text:['<<fontSize:13>>oe']});				
+				break;
+			case 'text-input-tickStyle':
+				drawTick(ctx,w*0.8,w,'#060',l+w*0.1,t,w*(7/40));
+				break;
+			case 'resize':
+			case 'resize-path':
+				ctx.fillStyle = colorA(draw.selectColor,0.5);
+				ctx.fillRect(l,t,w,h);
+				drawArrow({ctx:ctx,startX:l+0.2*w,startY:t+0.2*h,finX:l+0.8*w,finY:t+0.8*h,arrowLength:4,color:mainCanvasFillStyle,lineWidth:2,fillArrow:true,doubleEnded:false,angleBetweenLinesRads:0.7});
+				drawArrow({ctx:ctx,finX:l+0.2*w,finY:t+0.2*h,startX:l+0.8*w,startY:t+0.8*h,arrowLength:4,color:mainCanvasFillStyle,lineWidth:2,fillArrow:true,doubleEnded:false,angleBetweenLinesRads:0.7});
+				break;
+			case 'text-horizResize':
+				ctx.fillStyle = colorA(draw.selectColor,0.5);
+				ctx.fillRect(l,t,w,h);
+				drawArrow({ctx:ctx,startX:l+0.2*w,startY:t+0.5*h,finX:l+0.8*w,finY:t+0.5*h,arrowLength:4,color:mainCanvasFillStyle,lineWidth:2,fillArrow:true,doubleEnded:false,angleBetweenLinesRads:0.7});
+				drawArrow({ctx:ctx,finX:l+0.2*w,finY:t+0.5*h,startX:l+0.8*w,startY:t+0.5*h,arrowLength:4,color:mainCanvasFillStyle,lineWidth:2,fillArrow:true,doubleEnded:false,angleBetweenLinesRads:0.7});					
+				break;
+			case 'text2-fracScale':
+				ctx.fillStyle = colorA('#69F',0.5);
+				ctx.fillRect(l,t,w,h);
+				ctx.fillStyle = '#000';
+				ctx.fillRect(l+0.4*w,t+0.15*w,0.2*w,0.2*w);
+				ctx.fillRect(l+0.4*w,t+0.65*w,0.2*w,0.2*w);
+				ctx.strokeStyle = '#000';
+				ctx.lineWidth = 1;
+				ctx.beginPath();
+				ctx.moveTo(l+0.32*w,t+0.5*h);
+				ctx.lineTo(l+0.68*w,t+0.5*h);
+				ctx.stroke();//text({ctx:ctx,rect:[l,t,w,h*0.9],align:[0,0],text:['<<fontSize:13>>',['frac',[String.fromCharCode(0x25A0)],[String.fromCharCode(0x25A0)]]]});
+				break;
+			case 'text2-underline':
+				ctx.fillStyle = colorA('#FFC',0.5);
+				ctx.fillRect(l,t,w,h);
+				text({ctx:ctx,rect:[l,t,w,h*0.9],align:[0,0],text:['<<fontSize:13>>u']});
+				ctx.strokeStyle = '#000';
+				ctx.lineWidth = 2;
+				ctx.beginPath();
+				ctx.moveTo(l+0.32*w,t+0.8*h);
+				ctx.lineTo(l+0.68*w,t+0.8*h);
+				ctx.stroke();
+				break;
+			case 'text2-algPadding':
+				var obj = path.obj[0];
+				if (un(obj.algPadding)) {
+					ctx.strokeStyle = colorA('#F9C',0.5);
+					ctx.lineWidth = 1;
+					ctx.strokeRect(l,t,w,h);
+					text({ctx:ctx,rect:[l,t,w,h*0.9],align:[0,0],text:['<<fontSize:13>>-'],algPadding:0});
+				} else {
+					ctx.fillStyle = colorA('#F9C',0.5);
+					ctx.fillRect(l,t,w,h);
+					text({ctx:ctx,rect:[l,t,w,h*0.9],align:[0,0],text:['<<fontSize:13>>'+obj.algPadding],algPadding:0});
+				}
+				break;
+			case 'table2-draw.table2.questionFit':
+			case 'text2-fullWidth':
+				ctx.fillStyle = colorA('#9FC',0.5);
+				ctx.fillRect(l,t,w,h);
+				drawArrow({ctx:ctx,startX:l+0.2*w,startY:t+0.5*h,finX:l+0.8*w,finY:t+0.5*h,arrowLength:4,color:'#000',lineWidth:2,fillArrow:true,doubleEnded:false,angleBetweenLinesRads:0.7});
+				drawArrow({ctx:ctx,finX:l+0.2*w,finY:t+0.5*h,startX:l+0.8*w,startY:t+0.5*h,arrowLength:4,color:'#000',lineWidth:2,fillArrow:true,doubleEnded:false,angleBetweenLinesRads:0.7});
+				break;
+			case 'table2-draw.table2.questionGrid':
+				ctx.fillStyle = colorA('#9CF',0.5);
+				ctx.fillRect(l,t,w,h);
+				text({ctx:ctx,rect:[l,t,w,h],align:[0,0],text:['<<fontSize:12>>(a)']});
+				break;						
+			
+			case 'text-horizResizeCollapse' :
+				ctx.fillStyle = colorA('#F0F',0.5);
+				ctx.fillRect(l,t,w,h);
+				drawArrow({ctx:ctx,finX:l+0.2*w,finY:t+0.5*h,startX:l+0.8*w,startY:t+0.5*h,arrowLength:4,color:mainCanvasFillStyle,lineWidth:2,fillArrow:true,doubleEnded:false,angleBetweenLinesRads:0.7});					
+				break;
+			case 'text-vertResizeCollapse' :
+				ctx.fillStyle = colorA('#F0F',0.5);
+				ctx.fillRect(l,t,w,h);
+				drawArrow({ctx:ctx,finX:l+0.5*w,finY:t+0.2*h,startX:l+0.5*w,startY:t+0.8*h,arrowLength:4,color:mainCanvasFillStyle,lineWidth:2,fillArrow:true,doubleEnded:false,angleBetweenLinesRads:0.7});					
+				break;					
+			case 'delete':
+				ctx.fillStyle = colorA('#F00',0.5);
+				ctx.fillRect(l,t,w,h);
+				ctx.lineWidth = 2;
+				ctx.strokeStyle = mainCanvasFillStyle;
+				ctx.beginPath();
+				ctx.moveTo(l+0.2*w,t+0.2*h);
+				ctx.lineTo(l+0.8*w,t+0.8*h);
+				ctx.moveTo(l+0.2*w,t+0.8*h);
+				ctx.lineTo(l+0.8*w,t+0.2*h);
+				ctx.stroke();			
+				break;
+			case 'appear':
+			case 'appear-button':
+			case 'trigger':
+			case 'triggerTableCell':
+				var reversible = false;
+				if (draw.triggerEnabled == true || draw.appearMode == true) {
+					if (buttons[i].buttonType == 'appear') {
+						var vis = !un(path.appear) ? false : true;
+						if (!un(path.appear) && path.appear.reversible === true) reversible = true;
+					} else if (buttons[i].buttonType == 'appearButton') {
+						var vis = true;
+					} else {
+						if (buttons[i].buttonType == 'trigger') {
+							var trigger = path.trigger;
+						} else if (buttons[i].buttonType == 'triggerTableCell') {
+							var trigger = path.obj[0].cells[buttons[i].r][buttons[i].c].trigger;					
+						}
+						var vis = true;
+						if (typeof trigger == 'object') {
+							for (var m = 0; m <= draw.triggerNum; m++) {
+								if (typeof trigger[m] == 'boolean' && trigger[m] == true) {
+									vis = true;
+								} else if (typeof trigger[m] == 'boolean' && trigger[m] == false) {
+									vis = false;
+								}
+							}
+						}
+					}
+					var color = reversible == true ? '#F00' : '#96C';
+					if (vis == true) {
+						ctx.fillStyle = colorA(color,0.5);
+						ctx.fillRect(l,t,w,h);
+						ctx.lineWidth = 1;
+						ctx.beginPath();
+						ctx.fillStyle = mainCanvasFillStyle;
+						drawStar({ctx:ctx,center:[l+0.5*w,t+0.5*h],radius:0.4*Math.min(w,h),points:5});
+						ctx.fill();
+					} else {
+						ctx.strokeStyle = colorA(color,0.5);
+						ctx.strokeRect(l,t,w,h);
+						ctx.lineWidth = 1;
+						ctx.beginPath();
+						ctx.fillStyle = colorA(color,0.5);
+						drawStar({ctx:ctx,center:[l+0.5*w,t+0.5*h],radius:0.4*Math.min(w,h),points:5});
+						ctx.fill();
+					}
+				}
+				break;	
+			case 'toggle-draggable':
+				if (!un(path.interact) && path.interact.draggable == true) {
+					ctx.strokeStyle = colorA('#393',0.5);
+					ctx.strokeRect(l,t,w,h);
+					ctx.lineWidth = 1;
+					ctx.beginPath();
+					ctx.fillStyle = colorA('#393',0.5);
+					drawStar({ctx:ctx,center:[l+0.5*w,t+0.5*h],radius:0.4*Math.min(w,h),points:5});
+					ctx.fill();
+				} else {
+					ctx.fillStyle = colorA('#393',0.5);
+					ctx.fillRect(l,t,w,h);
+					ctx.lineWidth = 1;
+					ctx.beginPath();
+					ctx.fillStyle = mainCanvasFillStyle;
+					drawStar({ctx:ctx,center:[l+0.5*w,t+0.5*h],radius:0.4*Math.min(w,h),points:5});
+					ctx.fill();
+				}
+				break;
+			case 'toggle-notesOverlay':
+				if (path.notesOverlay === true) {
+					ctx.strokeStyle = colorA('#C60',0.5);
+					ctx.strokeRect(l,t,w,h);
+					ctx.lineWidth = 1;
+					ctx.beginPath();
+					ctx.fillStyle = colorA('#C60',0.5);
+					drawStar({ctx:ctx,center:[l+0.5*w,t+0.5*h],radius:0.4*Math.min(w,h),points:5});
+					ctx.fill();
+				} else {
+					ctx.fillStyle = colorA('#C60',0.5);
+					ctx.fillRect(l,t,w,h);
+					ctx.lineWidth = 1;
+					ctx.beginPath();
+					ctx.fillStyle = mainCanvasFillStyle;
+					drawStar({ctx:ctx,center:[l+0.5*w,t+0.5*h],radius:0.4*Math.min(w,h),points:5});
+					ctx.fill();
+				}
+				break;
+			case 'orderMinus':
+				ctx.strokeStyle = mainCanvasFillStyle;				
+				ctx.fillStyle = colorA('#F60',0.5);
+				ctx.fillRect(l,t,w,h);
+				ctx.lineWidth = 2;
+				ctx.beginPath();
+				ctx.moveTo(l+0.3*w,t+0.5*h);
+				ctx.lineTo(l+0.7*w,t+0.5*h);
+				ctx.stroke();
+				break;
+			case 'orderPlus':
+				ctx.strokeStyle = mainCanvasFillStyle;				
+				ctx.fillStyle = colorA('#F60',0.5);
+				ctx.fillRect(l,t,w,h);
+				ctx.beginPath();
+				ctx.moveTo(l+0.3*w,t+0.5*h);
+				ctx.lineTo(l+0.7*w,t+0.5*h);
+				ctx.moveTo(l+0.5*w,t+0.3*h);
+				ctx.lineTo(l+0.5*w,t+0.7*h);
+				ctx.stroke();
+				break;		
+			case 'anglesAroundPoint-pointsMinus':
+			case 'table2-paddingVMinus':
+			case 'table2-paddingHMinus':
+				ctx.strokeStyle = mainCanvasFillStyle;				
+				ctx.fillStyle = colorA('#06F',0.5);
+				ctx.fillRect(l,t,w,h);
+				ctx.lineWidth = 2;
+				ctx.beginPath();
+				ctx.moveTo(l+0.3*w,t+0.5*h);
+				ctx.lineTo(l+0.7*w,t+0.5*h);
+				ctx.stroke();
+				break;
+			case 'anglesAroundPoint-pointsPlus':
+			case 'table2-paddingVPlus':
+			case 'table2-paddingHPlus':
+				ctx.strokeStyle = mainCanvasFillStyle;				
+				ctx.fillStyle = colorA('#06F',0.5);
+				ctx.fillRect(l,t,w,h);
+				ctx.beginPath();
+				ctx.moveTo(l+0.3*w,t+0.5*h);
+				ctx.lineTo(l+0.7*w,t+0.5*h);
+				ctx.moveTo(l+0.5*w,t+0.3*h);
+				ctx.lineTo(l+0.5*w,t+0.7*h);
+				ctx.stroke();
+				break;	
+			case 'anglesAroundPoint-fixRadius':
+				ctx.strokeStyle = mainCanvasFillStyle;				
+				ctx.fillStyle = colorA('#F06',0.5);
+				ctx.fillRect(l,t,w,h);
+				ctx.beginPath();
+				ctx.arc(l+0.5*w,t+0.5*h,0.35*w,0,2*Math.PI);
+				ctx.stroke();
+				break;						
+			case 'qPos-bottomRight':
+			case 'qPos-center':
+				if (buttons[i].buttonType.indexOf(path.qPos) > -1) {
+					ctx.fillStyle = colorA('#090',0.5);
+					ctx.fillRect(l,t,w,h);
+				} else {
+					ctx.fillStyle = colorA('#0F0',0.5);
+					ctx.fillRect(l,t,w,h);
+				}
+				ctx.strokeStyle = colorA('#000',0.5);
+				ctx.strokeRect(l,t,w,h);				
+				ctx.fillStyle = colorA('#000',0.5);
+				if (buttons[i].buttonType == 'qPos-bottomRight') {
+					ctx.fillRect(l+0.5*w,t+0.6*h,0.5*w,0.4*h);
+				} else if (buttons[i].buttonType == 'qPos-center') {
+					ctx.fillRect(l+0.25*w,t+0.3*h,0.5*w,0.4*h);
+				}
+				break;
+			case 'qPos-fillWidth':
+				if (path.qFillWidth == true) {
+					ctx.fillStyle = colorA('#090',0.5);
+					ctx.fillRect(l,t,w,h);
+				} else {
+					ctx.fillStyle = colorA('#0F0',0.5);
+					ctx.fillRect(l,t,w,h);
+				}
+				ctx.strokeStyle = colorA('#000',0.5);
+				ctx.strokeRect(l,t,w,h);				
+				drawArrow({ctx:ctx,startX:l+0.2*w,startY:t+0.5*h,finX:l+0.8*w,finY:t+0.5*h,arrowLength:4,color:colorA('#000',0.5),lineWidth:2,fillArrow:true,doubleEnded:false,angleBetweenLinesRads:0.7});
+				drawArrow({ctx:ctx,finX:l+0.2*w,finY:t+0.5*h,startX:l+0.8*w,startY:t+0.5*h,arrowLength:4,color:colorA('#000',0.5),lineWidth:2,fillArrow:true,doubleEnded:false,angleBetweenLinesRads:0.7});
+				break;
+			case 'angle-showLines':
+				if (typeof path.obj[0].drawLines == 'undefined' || path.obj[0].drawLines == true) {
+					ctx.fillStyle = colorA('#F90',0.5);
+					ctx.fillRect(l,t,w,h);
+					var showLines = true;
+				} else {
+					ctx.fillStyle = colorA('#FC3',0.5);
+					ctx.fillRect(l,t,w,h);
+					var showLines = false;
+				}
+				drawAngle({ctx:ctx,a:[l+0.5*w,t+0.2*h],b:[l+0.2*w,t+0.8*h],c:[l+0.8*w,t+0.8*h],radius:0.4*w,lineWidth:1,drawLines:showLines});
+				break;
+			case 'angle-showAngle':
+				ctx.fillStyle = colorA('#F90',0.5);
+				ctx.fillRect(l,t,w,h);
+				text({ctx:ctx,textArray:['<<fontSize:'+(w/2)+'>>37'+degrees],left:l,top:t,width:w,height:h,textAlign:'center',vertAlign:'middle'});					
+				break;
+			case 'angle-numOfCurves':
+				ctx.fillStyle = colorA('#F90',0.5);
+				ctx.fillRect(l,t,w,h);
+
+				drawAngle({ctx:ctx,a:[l+0.5*w,t+0.2*h],b:[l+0.2*w,t+0.8*h],c:[l+0.8*w,t+0.8*h],radius:0.4*w,lineWidth:1,drawLines:true,numOfCurves:2,curveGap:3});
+				break;					
+			case 'polygon-makeRegular':
+				ctx.fillStyle = colorA('#F90',0.5);
+				ctx.fillRect(l,t,w,h);
+				var center = [l+0.5*w,t+0.5*h];
+				var radius = 0.4*Math.min(w,h);
+				var angle = -0.5*Math.PI;
+				var pos = [];
+				for (var p = 0; p < 5; p++) {
+					pos[p] = [center[0]+radius*Math.cos(angle),center[1]+radius*Math.sin(angle)];
+					angle += (2*Math.PI)/5;
+				}
+				ctx.strokeStyle = '#000';
+				ctx.lineWidth = 1;
+				/*ctx.beginPath();
+				ctx.arc(center[0],center[1],radius,0,2*Math.PI);
+				ctx.stroke();*/
+				drawPath({ctx:ctx,path:pos,closed:true});
+				for (var p = 0; p < 5; p++) {
+					drawDash(ctx,pos[p][0],pos[p][1],pos[(p+1)%5][0],pos[(p+1)%5][1],radius/5);
+				}
+				break;
+			case 'polygon-verticesPlus':
+				ctx.strokeStyle = mainCanvasFillStyle;				
+				ctx.fillStyle = colorA('#06F',0.5);
+				ctx.fillRect(l,t,w,h);
+				ctx.beginPath();
+				ctx.moveTo(l+0.3*w,t+0.5*h);
+				ctx.lineTo(l+0.7*w,t+0.5*h);
+				ctx.moveTo(l+0.5*w,t+0.3*h);
+				ctx.lineTo(l+0.5*w,t+0.7*h);
+				ctx.stroke();				
+				break;
+			case 'polygon-verticesMinus':
+				ctx.strokeStyle = mainCanvasFillStyle;				
+				ctx.fillStyle = colorA('#06F',0.5);
+				ctx.fillRect(l,t,w,h);
+				ctx.lineWidth = 2;
+				ctx.beginPath();
+				ctx.moveTo(l+0.3*w,t+0.5*h);
+				ctx.lineTo(l+0.7*w,t+0.5*h);
+				ctx.stroke();				
+				break;
+			case 'polygon-setPrism' :
+				ctx.fillStyle = colorA('#3F9',0.5);
+				ctx.fillRect(l,t,w,h);
+				drawPolygon({
+					ctx:ctx,
+					points:[[l+0.7*w,t+0.8*h],[l+0.2*w,t+0.8*h],[l+0.2*w,t+0.4*h],[l+0.5*w,t+0.4*h]],
+					lineColor:'#000',
+					lineWidth:1,
+					solidType:'prism',
+					prismVector:[0.15*w,-0.15*h],
+				});
+				break;
+			case 'polygon-setOuterAngles' :
+				ctx.fillStyle = colorA('#F0F',0.5);
+				ctx.fillRect(l,t,w,h);
+				drawPolygon({
+					ctx:ctx,
+					points:[[l+0.7*w,t+0.7*h],[l+0.5*w,t+0.3*h],[l+0.3*w,t+0.7*h]],
+					lineColor:'#000',
+					lineWidth:1,
+					anglesMode:'outer',
+					outerAngles:[
+						{radius:0.2*w,fill:true,fillColor:"#66F",lineWidth:0.5},
+						{radius:0.2*w,fill:true,fillColor:"#66F",lineWidth:0.5},
+						{radius:0.2*w,fill:true,fillColor:"#66F",lineWidth:0.5}
+					]
+				});					
+				break;
+			case 'polygon-setExteriorAngles' :
+				ctx.fillStyle = colorA('#F93',0.5);
+				ctx.fillRect(l,t,w,h);
+				break;
+			case 'polygon-setTypeSquare' :
+				ctx.strokeStyle = mainCanvasFillStyle;				
+				if (path.obj[0].polygonType == 'square') { 
+					ctx.fillStyle = colorA('#393',0.5);
+				} else {
+					ctx.fillStyle = colorA('#939',0.5);
+				}
+				ctx.fillRect(l,t,w,h);
+				ctx.lineWidth = 2;
+				ctx.beginPath();
+				ctx.moveTo(l+0.3*w,t+0.3*h);
+				ctx.lineTo(l+0.3*w,t+0.7*h);
+				ctx.lineTo(l+0.7*w,t+0.7*h);
+				ctx.lineTo(l+0.7*w,t+0.3*h);
+				ctx.lineTo(l+0.3*w,t+0.3*h);
+				ctx.stroke();
+				break;
+			case 'polygon-setTypeRect' :
+				ctx.strokeStyle = mainCanvasFillStyle;				
+				if (path.obj[0].polygonType == 'rect') { 
+					ctx.fillStyle = colorA('#393',0.5);
+				} else {
+					ctx.fillStyle = colorA('#939',0.5);
+				}
+				ctx.fillRect(l,t,w,h);
+				ctx.lineWidth = 2;
+				ctx.beginPath();
+				ctx.moveTo(l+0.2*w,t+0.35*h);
+				ctx.lineTo(l+0.2*w,t+0.65*h);
+				ctx.lineTo(l+0.8*w,t+0.65*h);
+				ctx.lineTo(l+0.8*w,t+0.35*h);
+				ctx.lineTo(l+0.2*w,t+0.35*h);
+				ctx.stroke();					
+				break;
+			case 'polygon-setTypePara' :
+				ctx.strokeStyle = mainCanvasFillStyle;				
+				if (path.obj[0].polygonType == 'para') { 
+					ctx.fillStyle = colorA('#393',0.5);
+				} else {
+					ctx.fillStyle = colorA('#939',0.5);
+				}
+				ctx.fillRect(l,t,w,h);
+				ctx.lineWidth = 2;
+				ctx.beginPath();
+				ctx.moveTo(l+0.2*w,t+0.35*h);
+				ctx.lineTo(l+0.35*w,t+0.65*h);
+				ctx.lineTo(l+0.8*w,t+0.65*h);
+				ctx.lineTo(l+0.65*w,t+0.35*h);
+				ctx.lineTo(l+0.2*w,t+0.35*h);
+				ctx.stroke();					
+				break;
+			case 'polygon-setTypeTrap' :
+				ctx.strokeStyle = mainCanvasFillStyle;				
+				if (path.obj[0].polygonType == 'trap') { 
+					ctx.fillStyle = colorA('#393',0.5);
+				} else {
+					ctx.fillStyle = colorA('#939',0.5);
+				}
+				ctx.fillRect(l,t,w,h);
+				ctx.lineWidth = 2;
+				ctx.beginPath();
+				ctx.moveTo(l+0.35*w,t+0.35*h);
+				ctx.lineTo(l+0.2*w,t+0.65*h);
+				ctx.lineTo(l+0.8*w,t+0.65*h);
+				ctx.lineTo(l+0.65*w,t+0.35*h);
+				ctx.lineTo(l+0.35*w,t+0.35*h);
+				ctx.stroke();					
+				break;
+			case 'polygon-setTypeRhom' :
+				ctx.strokeStyle = mainCanvasFillStyle;				
+				if (path.obj[0].polygonType == 'rhom') { 
+					ctx.fillStyle = colorA('#393',0.5);
+				} else {
+					ctx.fillStyle = colorA('#939',0.5);
+				}
+				ctx.fillRect(l,t,w,h);
+				ctx.lineWidth = 2;
+				ctx.beginPath();
+				ctx.moveTo(l+0.5*w,t+0.3*h);
+				ctx.lineTo(l+0.2*w,t+0.5*h);
+				ctx.lineTo(l+0.5*w,t+0.7*h);
+				ctx.lineTo(l+0.8*w,t+0.5*h);
+				ctx.lineTo(l+0.5*w,t+0.3*h);
+				ctx.stroke();					
+				break;
+			case 'polygon-setTypeKite' :
+				ctx.strokeStyle = mainCanvasFillStyle;				
+				if (path.obj[0].polygonType == 'kite') { 
+					ctx.fillStyle = colorA('#393',0.5);
+				} else {
+					ctx.fillStyle = colorA('#939',0.5);
+				}
+				ctx.fillRect(l,t,w,h);
+				ctx.lineWidth = 2;
+				ctx.beginPath();
+				ctx.moveTo(l+0.5*w,t+0.25*h);
+				ctx.lineTo(l+0.3*w,t+0.4*h);
+				ctx.lineTo(l+0.5*w,t+0.75*h);
+				ctx.lineTo(l+0.7*w,t+0.4*h);
+				ctx.lineTo(l+0.5*w,t+0.25*h);
+				ctx.stroke();					
+				break;					
+			case 'text-border':
+				ctx.fillStyle = colorA('#F90',0.5);
+				ctx.fillRect(l,t,w,h);
+				ctx.fillStyle = colorA('#99F',0.5);
+				ctx.clearRect(l+0.15*w,t+0.25*h,w*0.7,h*0.5);
+				ctx.fillRect(l+0.15*w,t+0.25*h,w*0.7,h*0.5);
+				ctx.lineWidth = 3;
+				ctx.strokeStyle = colorA('#000',0.5);
+				ctx.strokeRect(l+0.15*w,t+0.25*h,w*0.7,h*0.5);					
+				break;						
+			case 'grid-resize':
+				ctx.fillStyle = colorA('#F9F',0.5);
+				ctx.fillRect(l,t,w,h);
+				ctx.strokeStyle = colorA('#F0F',0.5);
+				ctx.strokeRect(l,t,w,h);
+				drawArrow({ctx:ctx,startX:l+0.1*w,startY:t+0.5*h,finX:l+0.9*w,finY:t+0.5*h,arrowLength:4,color:colorA('#000',0.5),lineWidth:2,fillArrow:true,doubleEnded:true,angleBetweenLinesRads:0.7});
+				drawArrow({ctx:ctx,finX:l+0.5*w,finY:t+0.1*h,startX:l+0.5*w,startY:t+0.9*h,arrowLength:4,color:colorA('#000',0.5),lineWidth:2,fillArrow:true,doubleEnded:true,angleBetweenLinesRads:0.7});
+				break;
+			case 'grid-plot':
+				var obj = path.obj[0];
+				ctx.fillStyle = obj._interactMode == 'plot' ? colorA('#00F',0.5) : colorA('#99F',0.5);
+				ctx.fillRect(l,t,w,h);
+				ctx.strokeStyle = '#000';
+				ctx.lineWidth = 1;
+				ctx.strokeRect(l,t,w,h);
+				ctx.lineWidth = 2;
+				ctx.beginPath();
+				ctx.moveTo(l+0.3*w,t+0.3*h);
+				ctx.lineTo(l+0.7*w,t+0.7*h);
+				ctx.moveTo(l+0.3*w,t+0.7*h);
+				ctx.lineTo(l+0.7*w,t+0.3*h);
+				ctx.stroke();
+				break;
+			case 'grid-lineSegment':
+				ctx.fillStyle = obj._interactMode == 'lineSegment' ? colorA('#00F',0.5) : colorA('#99F',0.5);
+				ctx.fillRect(l,t,w,h);
+				ctx.lineWidth = 1;
+				ctx.strokeStyle = '#000';
+				ctx.strokeRect(l,t,w,h);
+				ctx.beginPath();
+				/*ctx.moveTo(l+0.2*w,t+0.3*h);
+				ctx.lineTo(l+0.4*w,t+0.5*h);
+				ctx.moveTo(l+0.2*w,t+0.5*h);
+				ctx.lineTo(l+0.4*w,t+0.3*h);*/
+				
+				ctx.moveTo(l+0.3*w,t+0.4*h);
+				ctx.lineTo(l+0.7*w,t+0.6*h);
+				
+				/*ctx.moveTo(l+0.6*w,t+0.5*h);
+				ctx.lineTo(l+0.8*w,t+0.7*h);
+				ctx.moveTo(l+0.6*w,t+0.7*h);
+				ctx.lineTo(l+0.8*w,t+0.5*h);*/					
+				ctx.stroke();
+				break;	
+			case 'grid-line':
+				ctx.fillStyle = obj._interactMode == 'line' ? colorA('#00F',0.5) : colorA('#99F',0.5);
+				ctx.fillRect(l,t,w,h);
+				ctx.strokeStyle = '#000';
+				ctx.lineWidth = 1;
+				ctx.strokeRect(l,t,w,h);
+				ctx.beginPath();
+				ctx.moveTo(l,t+0.3*h);
+				ctx.lineTo(l+w,t+0.7*h);
+				ctx.stroke();
+				break;	
+			case 'grid-undo':
+				ctx.fillStyle = colorA('#99F',0.5);
+				ctx.fillRect(l,t,w,h);
+				ctx.strokeStyle = '#000';
+				ctx.lineWidth = 1;
+				ctx.strokeRect(l,t,w,h);
+				text({ctx:ctx,textArray:['<<fontSize:'+(w*0.4)+'>>undo'],left:l,top:t,width:w,height:h,align:[0,0]});
+				break;
+			case 'grid-clear':
+				ctx.fillStyle = colorA('#99F',0.5);
+				ctx.fillRect(l,t,w,h);
+				ctx.lineWidth = 1;
+				ctx.strokeStyle = '#000';
+				ctx.strokeRect(l,t,w,h);
+				text({ctx:ctx,textArray:['<<fontSize:'+(w*0.4)+'>>CLR'],left:l,top:t,width:w,height:h,align:[0,0]});
+				break;
+			case 'grid-function':
+				ctx.fillStyle = colorA('#99F',0.5);
+				ctx.fillRect(l,t,w,h);
+				ctx.lineWidth = 1;
+				ctx.strokeStyle = '#000';
+				ctx.strokeRect(l,t,w,h);
+				text({ctx:ctx,textArray:['<<font:algebra>><<fontSize:'+(w*0.5)+'>>f(x)'],left:l,top:t,width:w,height:h,align:[0,0]});
+				break;				
+			case 'grid-showGrid':
+				if (path.obj.length == 1 && path.obj[0].type == 'grid') {
+					if (typeof path.obj[0].showGrid == 'undefined' || path.obj[0].showGrid == true) {
+						ctx.fillStyle = colorA('#F96',0.5);
+						ctx.fillRect(l,t,w,h);
+					}
+					ctx.strokeStyle = colorA('#000',0.5);
+					ctx.strokeRect(l,t,w,h);
+					ctx.strokeStyle = '#000';					
+					ctx.lineWidth = 1;
+					ctx.beginPath();
+					ctx.moveTo(l+0.4*w,t+0.2*h);
+					ctx.lineTo(l+0.4*w,t+0.8*h);
+					ctx.moveTo(l+0.6*w,t+0.2*h);
+					ctx.lineTo(l+0.6*w,t+0.8*h);
+					ctx.moveTo(l+0.2*w,t+0.4*h);
+					ctx.lineTo(l+0.8*w,t+0.4*h);
+					ctx.moveTo(l+0.2*w,t+0.6*h);
+					ctx.lineTo(l+0.8*w,t+0.6*h);
+					ctx.stroke();
+				}
+				break;
+			case 'grid-showScales':
+				if (path.obj.length == 1 && (path.obj[0].type == 'grid' || path.obj[0].type == 'numberline')) {
+					if (typeof path.obj[0].showScales == 'undefined' || path.obj[0].showScales == true) {
+						ctx.fillStyle = colorA('#F96',0.5);
+						ctx.fillRect(l,t,w,h);
+					}				
+					ctx.strokeStyle = colorA('#000',0.5);
+					ctx.strokeRect(l,t,w,h);
+					text({ctx:ctx,textArray:['<<fontSize:'+(w/2)+'>>123'],left:l,top:t,width:w,height:h,textAlign:'center',vertAlign:'middle'});
+				}
+				break;
+			case 'grid-showLabels':
+				if (path.obj.length == 1 && path.obj[0].type == 'grid') {
+					if (typeof path.obj[0].showLabels == 'undefined' || path.obj[0].showLabels == true) {
+						ctx.fillStyle = colorA('#F96',0.5);
+						ctx.fillRect(l,t,w,h);
+					}		
+					ctx.strokeStyle = colorA('#000',0.5);
+					ctx.strokeRect(l,t,w,h);
+					text({ctx:ctx,textArray:['<<fontSize:'+(w/2)+'>><<font:algebra>>xy'],left:l,top:t,width:w,height:h,textAlign:'center',vertAlign:'middle'});
+				}
+				break;
+			case 'grid-showBorder':
+				if (path.obj.length == 1 && path.obj[0].type == 'grid') {
+					if (typeof path.obj[0].showBorder == 'undefined' || path.obj[0].showBorder == true) {
+						ctx.fillStyle = colorA('#F96',0.5);
+						ctx.fillRect(l,t,w,h);
+					}		
+					ctx.strokeStyle = colorA('#000',0.5);
+					ctx.strokeRect(l,t,w,h);
+					ctx.strokeStyle = '#000';	
+					ctx.lineWidth = 2;
+					ctx.strokeRect(l+w*0.2,t+h*0.2,w*0.6,h*0.6);
+				}
+				break;
+			case 'grid-originStyle':
+				if (path.obj.length == 1 && path.obj[0].type == 'grid') {
+					if (typeof path.obj[0].originStyle == 'undefined' || path.obj[0].originStyle == 'circle') {
+						ctx.fillStyle = colorA('#F96',0.5);
+						ctx.fillRect(l,t,w,h);
+					}		
+					ctx.strokeStyle = colorA('#000',0.5);
+					ctx.strokeRect(l,t,w,h);
+					ctx.strokeStyle = '#000';	
+					ctx.lineWidth = 2;
+					text({ctx:ctx,textArray:['<<fontSize:'+(w/3)+'>><<font:algebra>>(0,0)'],left:l,top:t,width:w,height:h,textAlign:'center',vertAlign:'middle'});
+
+				}
+				break;
+			case 'simpleGrid-xPlus':				
+			case 'simpleGrid-yPlus':				
+				ctx.strokeStyle = mainCanvasFillStyle;
+				ctx.fillStyle = colorA('#F0F',0.5);
+				ctx.fillRect(l,t,w,h);
+				ctx.beginPath();
+				ctx.moveTo(l+0.3*w,t+0.5*h);
+				ctx.lineTo(l+0.7*w,t+0.5*h);
+				ctx.moveTo(l+0.5*w,t+0.3*h);
+				ctx.lineTo(l+0.5*w,t+0.7*h);
+				ctx.stroke();				
+				break;
+			case 'simpleGrid-xMinus':				
+			case 'simpleGrid-yMinus':								
+				ctx.strokeStyle = mainCanvasFillStyle;
+				ctx.fillStyle = colorA('#F0F',0.5);
+				ctx.fillRect(l,t,w,h);
+				ctx.beginPath();
+				ctx.moveTo(l+0.3*w,t+0.5*h);
+				ctx.lineTo(l+0.7*w,t+0.5*h);
+				ctx.stroke();				
+				break;
+		}
+	}
+}
+
+function flattenCanvases(canvas1, canvas2, offsetLeft, offsetTop) {
+	if (typeof offsetLeft !== 'number') {
+		if (typeof canvas1.data == 'object' && typeof canvas2.data == 'object') {
+			var offsetLeft = canvas2.data[100] - canvas1.data[100];
+		} else {
+			var offsetLeft = 0;
+		}
+	}
+	if (typeof offsetTop !== 'number') {
+		if (typeof canvas1.data == 'object' && typeof canvas2.data == 'object') {
+			var offsetTop = canvas2.data[101] - canvas1.data[101];
+		} else {
+			var offsetTop = 0;
+		}
+	}
+	var ctx = canvas1.getContext('2d');
+	ctx.drawImage(canvas2, offsetLeft, offsetTop);
+}
+
+function calcCursorPositions() {
+	draw.updateAllBorders();
+	var pos = [];
+	if (un(draw.cursors)) draw.cursors = {default:'default'};
+	
+	pos.push({shape:'rect',dims:[0,0,draw.drawArea[2],draw.drawArea[3]],cursor:draw.cursors.default});
+	
+	switch (draw.drawMode) {
+		case 'grid-drawLineSegment':
+		case 'grid-drawLineSegmentPoints':
+			for (var p = 0; p < draw.path.length; p++) {
+				var path = draw.path[p];
+				for (var o = 0; o < path.obj.length; o++) {
+					var obj = path.obj[o];
+					if (['grid','simpleGrid'].includes(obj.type)) {
+						pos.push({shape:'rect',dims:[obj.left-20,obj.top-20,obj.width+40,obj.height+40],cursor:'url('+draw.lineCursor+') '+draw.lineCursorHotspot[0]+' '+draw.lineCursorHotspot[1]+', auto',func:draw.grid.gridPathStart,obj:obj,highlight:-1,mode:draw.drawMode});
+					}
+				}
+			}
+			break;
+		case 'grid-move':
+			for (var p = 0; p < draw.path.length; p++) {
+				var path = draw.path[p];
+				for (var o = 0; o < path.obj.length; o++) {
+					var obj = path.obj[o];
+					if (['grid','simpleGrid'].includes(obj.type)) {
+						pos.push({shape:'rect',dims:[obj.left-20,obj.top-20,obj.width+40,obj.height+40],cursor:draw.cursors.move1,func:draw.grid.moveStart,obj:obj,highlight:-1,mode:draw.drawMode});
+					}
+				}
+			}
+			break;
+		case 'floodFill':
+			pos.push({shape:'rect',dims:draw.drawArea,cursor:draw.cursors.fill,func:drawClickFloodFillClick,highlight:-1});
+			break;
+		case 'pen':
+			pos.push({shape:'rect',dims:draw.drawArea,cursor:draw.cursors.pen,func:drawClickStartDraw,highlight:-1});
+			break;
+		case 'line':
+		case 'rect':
+		case 'square':
+		case 'circle':
+		case 'ellipse':
+		case 'polygon':
+		case 'point':
+			pos.push({shape:'rect',dims:draw.drawArea,cursor:'url('+draw.lineCursor+') '+draw.lineCursorHotspot[0]+' '+draw.lineCursorHotspot[1]+', auto',func:drawClickStartDraw,highlight:-1});
+			break;
+		case 'grid-resize':
+			for (var i = 0; i < draw.path.length; i++) {
+				var path = draw.path[i];
+				if (path.selected == true) {	
+					var obj = path.obj[0];
+					pos.push({shape:'rect',dims:[obj.left,obj.top,obj.width,obj.height],cursor:draw.cursors.move1,func:drawClickGridStartDrag,pathNum:i});
+					pos.push({shape:'rect',dims:[obj.xZero-15,obj.top,30,obj.height],cursor:draw.cursors.ns,func:drawClickGridStartRescaleY,pathNum:i});
+					pos.push({shape:'rect',dims:[obj.left,obj.yZero-15,obj.width,30],cursor:draw.cursors.ew,func:drawClickGridStartRescaleX,pathNum:i});	
+
+					if (path.borderButtons !== 'undefined') {
+						for (var j = 0; j < path.borderButtons.length; j++) {
+							if (['grid-resize','grid-xMajorPlus','grid-xMajorMinus','grid-xMinorPlus','grid-xMinorMinus','grid-yMajorPlus','grid-yMajorMinus','grid-yMinorPlus','grid-yMinorMinus'].indexOf(path.borderButtons[j].buttonType) > -1) {
+								pos.push(path.borderButtons[j]);
+							}
+						}
+					}
+				}
+			}				
+			break;
+		case 'grid-plot':
+			for (var i = 0; i < draw.path.length; i++) {
+				var path = draw.path[i];
+				if (path.selected == true) {	
+					var obj = path.obj[0];
+					pos.push({shape:'rect',dims:[obj.left,obj.top,obj.width,obj.height],cursor:draw.cursors.pointer,func:drawClickGridPlotPoint,pathNum:i});
+
+					if (path.borderButtons !== 'undefined') {
+						for (var j = 0; j < path.borderButtons.length; j++) {
+							if (path.borderButtons[j].buttonType == 'grid-plot') pos.push(path.borderButtons[j]);
+						}
+					}
+				}
+			}				
+			break;
+		case 'grid-lineSegment':
+			for (var i = 0; i < draw.path.length; i++) {
+				var path = draw.path[i];
+				if (path.selected == true) {	
+					var obj = path.obj[0];
+					
+					// draw line segment start
+					pos.push({shape:'rect',dims:[obj.left,obj.top,obj.width,obj.height],cursor:draw.cursors.pointer,func:drawClickGridStartLineSegment,pathNum:i});
+
+					if (path.borderButtons !== 'undefined') {
+						for (var j = 0; j < path.borderButtons.length; j++) {
+							if (path.borderButtons[j].buttonType == 'grid-lineSegment') pos.push(path.borderButtons[j]);
+						}
+					}
+				}
+			}				
+			break;
+		case 'grid-line':
+			for (var i = 0; i < draw.path.length; i++) {
+				var path = draw.path[i];
+				if (path.selected == true) {	
+					var obj = path.obj[0];
+					
+					// draw line start
+					pos.push({shape:'rect',dims:[obj.left,obj.top,obj.width,obj.height],cursor:draw.cursors.pointer,func:drawClickGridStartLine,pathNum:i});
+
+					if (path.borderButtons !== 'undefined') {
+						for (var j = 0; j < path.borderButtons.length; j++) {
+							if (path.borderButtons[j].buttonType == 'grid-line') pos.push(path.borderButtons[j]);
+						}
+					}
+				}
+			}				
+			break;
+		case 'zoom':
+			pos.push({shape:'rect',dims:[0,0,draw.drawArea[2],draw.drawArea[3]],cursor:draw.cursors.default,func:drawClickStartZoomRect,highlight:-1});
+			break;
+		case 'select':
+		case 'textEdit':
+			pos.push({shape:'rect',dims:[0,0,draw.drawArea[2],draw.drawArea[3]],cursor:draw.cursors.default,func:drawClickStartSelectRect,highlight:-1});
+			var pos2 = [];
+						
+			//unselected
+			for (var i = 0; i < draw.path.length; i++) {
+				var path = draw.path[i];
+				if (getPathVis(path) == false) continue;
+				if (path.notesOverlay === true && draw.notesOverlay !== true) continue;
+				//if ((draw.ansMode == true && draw.showAns == false) && !un(path.trigger) && path.trigger[0] == false) continue;
+				if (path.selected == true) continue;
+				if (!un(path.isInput) && path.isInput._mode === 'addAnswers') continue;
+				for (var j = 0; j < path.obj.length; j++) {
+					var obj = path.obj[j];
+					if (!un(draw[obj.type]) && !un(draw[obj.type].getCursorPositionsUnselected)) {
+						pos = pos.concat(draw[obj.type].getCursorPositionsUnselected(obj,i));
+						continue;
+					}
+					switch (obj.type) {
+						case 'pen' :
+							pos.push({shape:'path',dims:[obj.pos,draw.selectTolerance],cursor:draw.cursors.pointer,func:drawClickSelect,pathNum:i,highlight:-1});
+							break;
+						case 'line' :
+							pos.push({shape:'line',dims:[obj.startPos,obj.finPos,draw.selectTolerance],cursor:draw.cursors.pointer,func:drawClickSelect,pathNum:i,highlight:-1});
+							break;
+						case 'rect' :
+						case 'square' :
+							var x1 = obj.startPos[0];
+							var y1 = obj.startPos[1];
+							var x2 = obj.finPos[0];
+							var y2 = obj.finPos[1];
+							if (obj.fillColor !== 'none') {
+								pos.push({shape:'rect',dims:[x1,y1,(x2-x1),(y2-y1)],cursor:draw.cursors.pointer,func:drawClickSelect,pathNum:i,highlight:-1});
+							} else {
+								pos.push({shape:'openRect',dims:[x1,y1,(x2-x1),(y2-y1),draw.selectTolerance],cursor:draw.cursors.pointer,func:drawClickSelect,pathNum:i,highlight:-1});
+							}
+							break;
+						case 'circle' :
+							if (obj.fillColor !== 'none') {
+								pos.push({shape:'circle',dims:[obj.center[0],obj.center[1],obj.radius],cursor:draw.cursors.pointer,func:drawClickSelect,pathNum:i,highlight:-1});
+							} else {
+								pos.push({shape:'openCircle',dims:[obj.center[0],obj.center[1],obj.radius,draw.selectTolerance],cursor:draw.cursors.pointer,func:drawClickSelect,pathNum:i,highlight:-1});
+							}
+							break;
+						case 'ellipse' :
+							if (obj.fillColor !== 'none') {
+								pos.push({shape:'ellipse',dims:[obj.center[0],obj.center[1],obj.radiusX,obj.radiusY],cursor:draw.cursors.pointer,func:drawClickSelect,pathNum:i,highlight:-1});
+							} else {
+								pos.push({shape:'ellipse',dims:[obj.center[0],obj.center[1],obj.radiusX,obj.radiusY,draw.selectTolerance],cursor:draw.cursors.pointer,func:drawClickSelect,pathNum:i,highlight:-1});
+							}
+							break;
+						case 'curve' :
+							pos.push({shape:'path',dims:[obj.points,draw.selectTolerance],cursor:draw.cursors.pointer,func:drawClickSelect,pathNum:i,highlight:1});
+							break;
+						case 'text2' :
+							var dims = clone(obj._tightRect);
+							var dims2 = clone(obj.rect);
+							pos.push({shape:'rect',dims:dims2,cursor:draw.cursors.pointer,func:drawClickSelect,obj:obj,pathNum:i,highlight:-1});
+							pos.push({shape:'rect',dims:dims,cursor:draw.cursors.text,func:textEdit.selectStart,obj:obj,pathNum:i,highlight:-1});
+							break;
+						case 'table2' :
+						case 'qTable' :
+							for (var r = 0; r < obj.cells.length; r++) {
+								for (var c = 0; c < obj.cells[r].length; c++) {
+									//console.log(r,c,obj.cells[r][c],obj.cells[r][c].tightRect);
+									pos.push({shape:'rect',dims:obj.cells[r][c].tightRect,cursor:draw.cursors.text,func:textEdit.tableSelectStart,pathNum:i,obj:obj,cell:[r,c]});
+								}
+							}
+							var xPos = draw.table2.getXPos(obj);
+							var yPos = draw.table2.getYPos(obj);
+							pos.push({shape:'table',dims:[obj.left,obj.top,obj.width,obj.height,draw.selectTolerance],xPos:xPos,yPos:yPos,cursor:draw.cursors.pointer,func:drawClickSelect,pathNum:i,highlight:-1});
+							break;
+						default :
+							if (obj.type === 'grid' && obj._interactMode === 'move') {
+								pos.push({shape:'rect',dims:[obj.left,obj.top,obj.width,obj.height],cursor:draw.cursors.move1,func:draw.grid.moveStart,pathNum:i,obj:obj,highlight:-1});
+							} else if (!un(obj._left) && !un(obj._top) && !un(obj._width) && !un(obj._height)) {
+								pos.push({shape:'rect',dims:[obj._left,obj._top,obj._width,obj._height],cursor:draw.cursors.pointer,func:drawClickSelect,pathNum:i,highlight:-1});
+							} else if (!un(obj.left) && !un(obj.top) && !un(obj.width) && !un(obj.height)) {
+								pos.push({shape:'rect',dims:[obj.left,obj.top,obj.width,obj.height],cursor:draw.cursors.pointer,func:drawClickSelect,pathNum:i,highlight:-1});
+							} else if (!un(draw[obj.type]) && !un(draw[obj.type].getRect)) {
+								pos.push({shape:'rect',dims:draw[obj.type].getRect(obj),cursor:draw.cursors.pointer,func:drawClickSelect,pathNum:i,highlight:-1});
+							} else {
+								//pos.push({shape:'rect',dims:clone(path.border),cursor:draw.cursors.pointer,func:drawClickSelect,pathNum:i,highlight:-1});
+							}
+							//pos.push({shape:'rect',dims:path.border,cursor:draw.cursors.pointer,func:drawClickSelect,pathNum:i,highlight:-1});
+							break;
+					}
+				}
+			}					
+			
+			//selected
+			for (var i = 0; i < draw.path.length; i++) {
+				var path = draw.path[i];
+				if (draw.ansMode == true && draw.showAns == false && !un(path.trigger) && path.trigger[0] == false) continue;
+				if (!un(path.isInput) && path.isInput._mode === 'addAnswers') continue;
+				if (path.selected == true) {
+					pos.push({shape:'rect',dims:[path.border[0],path.border[1],path.border[2],path.border[3]],cursor:draw.cursors.move1,func:drawClickStartDragObject,pathNum:i,highlight:-1});
+					
+					for (var o = 0; o < path.obj.length; o++) {
+						var obj = path.obj[o];
+						if (obj.type === 'grid' && obj._interactMode === 'move') {
+							pos.push({shape:'rect',dims:[obj.left,obj.top,obj.width,obj.height],cursor:draw.cursors.move1,func:draw.grid.moveStart,pathNum:i,obj:obj,highlight:-1});
+						}
+					}
+					
+					if (draw.rotationMode == true) {
+						pos.push({shape:'circle',dims:[path.border[0]+0.5*path.border[2],path.border[1]-30,10],cursor:draw.cursors.rotate,func:draw.rotateStart,pathNum:i});
+					}
+					
+					if (path.obj.length == 1) {
+						var obj = path.obj[0];
+						if (obj.visible === false) continue;
+						if (!un(draw[obj.type]) && !un(draw[obj.type].getCursorPositionsSelected)) {
+							pos = pos.concat(draw[obj.type].getCursorPositionsSelected(obj,i));
+						}
+					}
+										
+					if (typeof path.borderButtons == 'object') {
+						for (var j = 0; j < path.borderButtons.length; j++) {
+							pos.push(path.borderButtons[j]);
+						}
+					}
+				}
+			}
+			pos = pos2.concat(pos);
+			break;
+		case 'selectDrag': // if an object is being dragged
+			pos.push({shape:'rect',dims:draw.drawArea,cursor:draw.cursors.move2});
+			break;
+		case 'textStart':
+			pos.push({shape:'rect',dims:draw.drawArea,cursor:'text',func:draw.text2.start,pathNum:draw.path.length});
+			break;
+		case 'table' :
+		case 'tableChange' :
+		case 'tableBorders' :
+		case 'tableCellColor' :
+			pos.push({shape:'rect',dims:draw.drawArea,cursor:draw.cursors.default,func:tableMenuClose});
+			break;
+		case 'none':
+		default:
+			break;
+	}
+	if (draw.mode == 'interact') {
+		if (!un(draw.pathCursorOrder)) {
+			for (var p = 0; p < draw.pathCursorOrder.length; p++) {
+				var path = draw.pathCursorOrder[p];
+				if (path._visible === false) continue;
+				var visible = false;
+				for (var o = 0; o < path.obj.length; o++) {
+					var obj = path.obj[o];
+					if (un(obj.visible) || obj.visible == true) visible = true;
+				}
+				if (visible == false) continue;
+				var pathInteract = draw.getPathInteract(path);
+				if (pathInteract.type == 'check') {
+					pos.push({shape:'rect',dims:obj.rect,cursor:draw.cursors.pointer,func:draw.interact.checkPage,interact:true,path:path});
+				}
+				
+				if (pathInteract.allowInteraction !== false && pathInteract.disabled !== true && pathInteract._disabled !== true) {
+					if (typeof pathInteract.dragPathCircle == 'string') {
+						var circleObj = draw.getObjById(pathInteract.dragPathCircle);
+						if (circleObj !== false) {
+							pos.push({shape:'rect',dims:clone(path.border.slice(0,4)),cursor:draw.cursors.move1,func:draw.interact.dragStart,interact:true,path:path,dragType:'circle',center:circleObj.center,radius:circleObj.radius,circle:circleObj});
+						}
+					} else if (typeof pathInteract.dragPathLineSegment == 'string') {
+						var lineSegmentObj = draw.getObjById(pathInteract.dragPathLineSegment);
+						if (lineSegmentObj !== false) {
+							pos.push({shape:'rect',dims:clone(path.border.slice(0,4)),cursor:draw.cursors.move1,func:draw.interact.dragStart,interact:true,path:path,dragType:'lineSegment',lineSegment:lineSegmentObj});
+						}
+					} else if (pathInteract.draggable == true) {
+						pos.push({shape:'rect',dims:clone(path.tightBorder.slice(0,4)),cursor:draw.cursors.move1,func:draw.interact.dragStart,interact:true,path:path});
+					}
+					if (pathInteract.drag3d == true) {
+						pos.push({shape:'rect',dims:clone(path.border.slice(0,4)),cursor:draw.cursors.move1,func:draw.three.drag3dStart,interact:true,path:path,obj:path.obj[0]});
+					}
+					if (pathInteract.cubeBuilding == 'build') {
+						var positions = draw.three.cubeDrawing.getCursorPositionsBuild(path.obj[0]);
+						draw.color = '#000';
+						draw.cursors.update();
+						for (var p2 = 0; p2 < positions.length; p2++) {
+							pos.push({shape:'polygon',dims:positions[p2].pos2d,cursor:'url('+draw.lineCursor+') '+draw.lineCursorHotspot[0]+' '+draw.lineCursorHotspot[1]+', auto',func:draw.three.cubeDrawing.click,interact:true,path:path,obj:path.obj[0],position:positions[p2],mode:'build'});
+						}
+					} else if (pathInteract.cubeBuilding == 'remove') {
+						var positions = draw.three.cubeDrawing.getCursorPositionsRemove(path.obj[0]);
+						draw.color = '#F00';
+						draw.cursors.update();
+						for (var p2 = 0; p2 < positions.length; p2++) {
+							pos.push({shape:'polygon',dims:positions[p2].pos2d,cursor:'url('+draw.lineCursor+') '+draw.lineCursorHotspot[0]+' '+draw.lineCursorHotspot[1]+', auto',func:draw.three.cubeDrawing.click,interact:true,path:path,obj:path.obj[0],position:positions[p2],mode:'remove'});
+						}
+					} else if (pathInteract.edit3dShape == true) {
+						pos = pos.concat(draw.three.getCursorPositionsSelected(path.obj[0],p,true));
+					}
+					if (typeof pathInteract.click == 'function') {
+						pos.push({shape:'rect',dims:clone(path.border.slice(0,4)),cursor:draw.cursors.pointer,func:draw.interact.click,click:pathInteract.click,interact:true,path:path,obj:path.obj[0]});
+					}
+				}
+				for (var o2 = 0; o2 < path.obj.length; o2++) {
+					var obj = path.obj[o2];
+					var isOverlayObj = false;
+					if (!un(path.interact) && path.interact.overlay == true) isOverlayObj = true;
+					if (!un(obj.interact) && obj.interact.overlay == true) isOverlayObj = true;
+					if (obj.type == 'dropMenu') isOverlayObj = true;
+					if (isOverlayObj == true) continue;
+					if (typeof draw[obj.type].getCursorPositionsInteract == 'function') {
+						pos = pos.concat(draw[obj.type].getCursorPositionsInteract(obj,path,p));
+					}
+					if (!un(obj._cursorPos)) {
+						pos = pos.concat(obj._cursorPos);
+					}
+					var objInteract = draw.getObjInteract(obj);
+					if (obj.type == 'slider') {
+						//pos.push({shape:'circle',dims:obj._pos,cursor:draw.cursors.move1,func:draw.slider.dragStart,interact:true,path:path,obj:obj});
+					} else if (objInteract.allowInteraction === false || objInteract.disabled === true || objInteract._disabled === true) {
+						continue;
+					} else if (obj.type == 'grid' || obj.type == 'simpleGrid') {
+						if (['lineSegment','lineSegmentPoints','line','linePoints','point'].indexOf(objInteract.type) > -1) {
+							pos.push({shape:'rect',dims:[obj.left-20,obj.top-20,obj.width+40,obj.height+40],cursor:'url('+draw.lineCursor+') '+draw.lineCursorHotspot[0]+' '+draw.lineCursorHotspot[1]+', auto',func:draw.grid.gridPathStart,obj:obj,highlight:-1,mode:objInteract.type});
+						}
+						
+					} else if (!un(objInteract.click) && objInteract.click.length > 0) {
+						pos.push({shape:'rect',dims:draw[obj.type].getRect(obj),cursor:draw.cursors.pointer,func:draw.interact.click,interact:true,path:path,obj:obj});
+					} else if (typeof objInteract.click == 'function') {
+						pos.push({shape:'rect',dims:draw[obj.type].getRect(obj),cursor:draw.cursors.pointer,func:draw.interact.click,click:objInteract.click,interact:true,path:path,obj:obj});
+					}
+				}			
+			}
+			
+			for (var p = 0; p < draw.path.length; p++) {
+				var path = draw.path[p];
+				if (un(path.appear)) continue;
+				var visible = boolean(path._visible,false);
+				if (visible == true && path.appear.reversible !== true) continue;
+				if (typeof path.appear.visible == 'function' && path.appear.visible(path) === false) continue;
+				if (typeof path.appear.visible == 'string' && getPathVis(path.appear.visible) == false) continue;
+				if (un(path.appear.pos)) {
+					if (un(path.border)) updateBorder(path);
+					if (un(path.border)) continue;
+					var l = path.border[0]+0.5*path.border[2]-20;
+					var t = path.border[1]+0.5*path.border[3]-20;
+				} else {
+					var l = path.appear.pos[0]-20;
+					var t = path.appear.pos[1]-20;
+				}
+				pos.push({shape:'rect',dims:[l,t,40,40],cursor:draw.cursors.pointer,func:draw.interact.appear,interact:true,path:path});
+			}
+		}
+		for (var p = 0; p < draw.path.length; p++) { // add cursor positions for overlay buttons
+			var path = draw.path[p];
+			for (var o = 0; o < path.obj.length; o++) {
+				var obj = path.obj[o];
+				var isOverlayObj = false;
+				if (!un(path.interact) && path.interact.overlay == true) isOverlayObj = true;
+				if (!un(obj.interact) && obj.interact.overlay == true) isOverlayObj = true;
+				if (obj.type == 'dropMenu') isOverlayObj = true;
+				if (obj.visible === false || isOverlayObj == false) continue;
+				if (obj.type == 'colorPicker' && draw.colorSelectVisible == false) continue;
+				if (obj.type == 'lineWidthSelect' && draw.lineWidthSelectVisible == false) continue;
+				if (typeof draw[obj.type].getCursorPositionsInteract == 'function') {
+					pos = pos.concat(draw[obj.type].getCursorPositionsInteract(obj,path,p));
+				}
+				if (obj.type == 'slider') {
+					pos.push({shape:'circle',dims:obj._pos,cursor:draw.cursors.move1,func:draw.slider.dragStart,interact:true,path:path,obj:obj});
+				} else if (!un(obj.interact) && !un(obj.interact.click) && obj.interact.click.length > 0) {
+					pos.push({shape:'rect',dims:draw[obj.type].getRect(obj),cursor:draw.cursors.pointer,func:draw.interact.click,interact:true,path:path,obj:obj});
+				} else if (!un(obj.interact) && typeof obj.interact.click == 'function') {
+					pos.push({shape:'rect',dims:draw[obj.type].getRect(obj),cursor:draw.cursors.pointer,func:draw.interact.click,click:obj.interact.click,interact:true,path:path,obj:obj});
+				}
+			}
+		}
+		
+	} else {
+		for (var p = 0; p < draw.path.length; p++) {
+			var path = draw.path[p];
+			if (!un(path.isInput) && path.isInput._mode === 'addAnswers') {
+				if (path.isInput.type === 'drag') {
+					pos.push({shape:'rect',dims:path.tightBorder.slice(0,4),cursor:draw.cursors.move1,func:draw.interact.dragStart,path:draw.path[p]});
+					continue;
+				} else if (path.isInput.type === 'grid') {
+					var pos2 = draw.grid.getCursorPositionsInteract(path.obj[0],path,p);
+					pos = pos.concat(pos2);
+					continue;
+				}
+			}
+			for (var o2 = 0; o2 < path.obj.length; o2++) {
+				var obj = path.obj[o2];
+				if (!un(obj._cursorPos)) pos = pos.concat(obj._cursorPos);
+			}
+		}
+		for (var p = 0; p < draw.path.length; p++) { // add cursor positions for appear buttons
+			var path = draw.path[p];
+			if (un(path.appear)) continue;
+			if (un(path.appear.pos)) {
+				var l = path.border[0]+0.5*path.border[2]-20;
+				var t = path.border[1]+0.5*path.border[3]-20;
+			} else {
+				var l = path.appear.pos[0]-20;
+				var t = path.appear.pos[1]-20;
+			}
+			pos.push({buttonType:'appear-dont-draw',shape:'rect',dims:[l,t,40,40],cursor:draw.cursors.move1,func:drawClickAppearMoveStart,pathNum:p});
+		}
+	}	
+	if (!un(draw.controlPanel)) pos = pos.concat(draw.controlPanel.cursorPositions);
+
+	draw.cursorPositions = pos;
+	//console.log(pos);
+}
+draw.getPathInteract = function(path) {
+	var interact = {};
+	for (var o2 = 0; o2 < path.obj.length; o2++) {
+		var obj = path.obj[o2];
+		if (!un(obj.interact)) {
+			for (var key in obj.interact) {
+				if (key === 'click') continue;
+				if (un(interact[key])) {
+					interact[key] = obj.interact[key];
+				}
+			}
+		}
+	}
+	if (!un(path.isInput)) {
+		for (var key in path.isInput) {
+			interact[key] = path.isInput[key];
+		}
+	}
+	if (!un(path.interact)) {
+		for (var key in path.interact) {
+			interact[key] = path.interact[key];
+		}
+	}
+	return interact;
+}
+draw.getObjInteract = function(obj) {
+	var interact = {};
+	if (!un(obj.interact)) {
+		for (var key in obj.interact) {
+			if (un(interact[key])) {
+				interact[key] = obj.interact[key];
+			}
+		}
+	}
+	return interact;
+}
+function drawCanvasMove(e) {
+	e.preventDefault();
+	if (typeof draw == 'undefined' || draw.drawing == true || ['tableColResize','tableRowResize','gridDrag','gridRecaleX','gridRecaleY','compassMove1','compassMove2','compassDraw','protractorRotate','protractorMove','rulerRotate','rulerMove','selectDrag','selectRect','selectResize','tableInputSelect','tableCellSelect','tableColSelect','tableRowSelect','textInputSelect'].indexOf(draw.drawMode) > -1) return;
+	//console.log(draw.drawMode);
+
+	updateMouse(e);
+	var x = draw.mouse[0];
+	var y = draw.mouse[1];
+	//var x = mouse.x - draw.drawRelPos[0];
+	//var y = mouse.y - draw.drawRelPos[1];
+	draw.currCursor = getCursorAtPosition(x,y);
+	draw.cursorCanvas.style.cursor = draw.currCursor.cursor;
+	//console.log(draw.currCursor,draw.cursorCanvas.style.cursor);
+	cursorPosHighlight();
+}
+function drawCanvasStart(e) {
+	updateMouse(e);
+	calcCursorPositions();
+	var x = draw.mouse[0];
+	var y = draw.mouse[1];
+	draw.currCursor = getCursorAtPosition(x,y);	// necessary for touch events, where move function will not have run
+	draw.table2.deselectTables();
+	if (!un(draw.currCursor)) {
+		if (un(draw.currCursor.obj) || (draw.currCursor.obj.type !== 'colorPicker' && draw.currCursor.obj.type !== 'buttonColorPicker')) {
+			draw.colorSelectVisible = false;
+		}
+		if (un(draw.currCursor.obj) || (draw.currCursor.obj.type !== 'lineWidthSelect' && draw.currCursor.obj.type !== 'buttonLineWidthPicker')) {
+			draw.lineWidthSelectVisible = false;
+		}
+		
+		
+		if (!un(draw.currCursor.func)) {
+			draw.currCursor.func.apply();
+			if (draw.currCursor.interact == true) draw.interact.update();
+		} else {
+			drawCanvasPaths();
+		}
+	} else {
+		draw.colorSelectVisible = false;
+		draw.lineWidthSelectVisible = false;
+		drawCanvasPaths();
+	}
+}
+function showCursorPositions() {
+	var ctx = draw.drawCanvas.last().ctx;
+	ctx.scale(draw.scale,draw.scale);	
+	//ctx.clearRect(draw.drawArea[0],draw.drawArea[1],draw.drawArea[2],draw.drawArea[3]);
+	var colorMove = colorA('#00F',0.3);
+	var colorPointer = colorA('#F00',0.3);
+	var colorText = colorA('#0F0',0.3);
+	var colorMisc = colorA('#FF0',0.3);
+	for (var i = 0; i < draw.cursorPositions.length; i++) {
+		var pos = draw.cursorPositions[i];
+		if (pos.cursor == draw.cursors.move1) {
+			ctx.fillStyle = colorMove;
+		} else if (pos.cursor == draw.cursors.pointer) {
+			ctx.fillStyle = colorPointer;
+		} else if (pos.cursor == 'text') {
+			ctx.fillStyle = colorText;
+		} else {
+			ctx.fillStyle = colorMisc;
+		}
+		
+		if (pos.shape == 'rect') {
+			ctx.fillRect(pos.dims[0],pos.dims[1],pos.dims[2],pos.dims[3]);
+		} else if (pos.shape == 'circle') {
+			ctx.beginPath();
+			ctx.arc(pos.dims[0],pos.dims[1],pos.dims[2],0,2*Math.PI);
+			ctx.fill();
+		} else if (pos.shape == 'line') {
+			
+		}
+	}
+	ctx.setTransform(1, 0, 0, 1, 0, 0);
+}
+function getCursorAtPosition(x,y) {
+	var overTool = isPosOverTool(x-draw.drawArea[0],y-draw.drawArea[1]);
+	if (typeof overTool == 'object' || overTool !== false) return overTool;
+	if (typeof draw.cursorPositions == 'undefined') calcCursorPositions();
+	var pos = draw.cursorPositions;
+	var currPos = {cursor:draw.cursors.default,func:function(){}};
+	var x2 = x-draw.drawArea[0];
+	var y2 = y-draw.drawArea[1];
+	for (var i = 0; i < pos.length; i++) {
+		if (draw.cursorPosHitTest(pos[i],x2,y2) == true) {
+			pos[i].pos = i;
+			currPos = pos[i];
+		}
+		/*
+		var dims = clone(pos[i].dims);
+		if (typeof dims == 'undefined') continue;
+		//console.log(i,pos[i],pos[i].dims);
+		if (pos[i].shape == 'table') {
+			for (var x = 0; x < pos[i].xPos.length; x++) {
+				var x3 = pos[i].xPos[x];
+				if (distancePointToLineSegment([x2,y2],[x3,dims[1]],[x3,dims[1]+dims[3]]) < dims[4]) {
+					pos[i].pos = i;
+					currPos = pos[i];
+					break;
+				}
+			}
+			for (var y = 0; y < pos[i].yPos.length; y++) {
+				var y3 = pos[i].yPos[y];
+				if (distancePointToLineSegment([x2,y2],[dims[0],y3],[dims[0]+dims[2],y3]) < dims[4]) {
+					pos[i].pos = i;
+					currPos = pos[i];
+					break;
+				}				
+			}
+		} else if ((pos[i].shape == 'rect' && x2 >= dims[0] && x2 <= (dims[0]+dims[2]) && y2 >= dims[1] && y2 <= (dims[1]+dims[3])) ||
+			(pos[i].shape == 'openRect' && 
+				(distancePointToLineSegment([x2,y2],[dims[0],dims[1]],[dims[0]+dims[2],dims[1]]) < dims[4]) ||
+				(distancePointToLineSegment([x2,y2],[dims[0]+dims[2],dims[1]],[dims[0]+dims[2],dims[1]+dims[3]]) < dims[4]) ||
+				(distancePointToLineSegment([x2,y2],[dims[0]+dims[2],dims[1]+dims[3]],[dims[0],dims[1]+dims[3]]) < dims[4]) ||
+				(distancePointToLineSegment([x2,y2],[dims[0],dims[1]+dims[3]],[dims[0],dims[1]]) < dims[4])
+			) ||
+			(pos[i].shape == 'circle' && dist(x2,y2,dims[0],dims[1]) <= dims[2]) ||
+			(pos[i].shape == 'sector' && isPointInSector([x2,y2],dims) == true) ||
+			(pos[i].shape == 'openCircle' && dist(x2,y2,dims[0],dims[1]) >= dims[2]-dims[3] && dist(x2,y2,dims[0],dims[1]) <= dims[2]+dims[3]) ||
+			(pos[i].shape == 'ellipse' && isPointInEllipse([x2,y2],[dims[0],dims[1]],dims[2],dims[3]) == true) ||
+			(pos[i].shape == 'openEllipse' && isPointOnEllipse([x2,y2],[dims[0],dims[1]],dims[2],dims[3],dims[4]) == true) ||
+			(pos[i].shape == 'line' && (distancePointToLineSegment([x2,y2],dims[0],dims[1]) < dims[2])) ||
+			(pos[i].shape == 'path' && (distancePointToPath([x2,y2],dims[0]) <= dims[1])) ||
+			(pos[i].shape == 'polygon' && hitTestPolygon([x2,y2],dims,true) == true)
+		) {
+			pos[i].pos = i;
+			currPos = pos[i];
+		}
+		*/
+	}
+	//console.log(currPos,x2,y2);
+	return currPos;
+}
+draw.cursorPosHitTest = function(pos,x,y) {
+	var dims = clone(pos.dims);
+	if (typeof dims == 'undefined') return false;
+	if (pos.shape == 'table') {
+		if (typeof pos.xPos !== 'undefined' && typeof pos.yPos !== 'undefined') {
+			for (var c = 0; c < pos.xPos.length; c++) {
+				var x3 = pos.xPos[c];
+				if (distancePointToLineSegment([x,y],[x3,dims[1]],[x3,dims[1]+dims[3]]) < dims[4]) return true;
+			}
+			for (var r = 0; r < pos.yPos.length; r++) {
+				var y3 = pos.yPos[r];
+				if (distancePointToLineSegment([x,y],[dims[0],y3],[dims[0]+dims[2],y3]) < dims[4]) return true;
+			}
+		}
+	} else if ((pos.shape == 'rect' && x >= dims[0] && x <= (dims[0]+dims[2]) && y >= dims[1] && y <= (dims[1]+dims[3])) ||
+		(pos.shape == 'openRect' && 
+			(distancePointToLineSegment([x,y],[dims[0],dims[1]],[dims[0]+dims[2],dims[1]]) < dims[4]) ||
+			(distancePointToLineSegment([x,y],[dims[0]+dims[2],dims[1]],[dims[0]+dims[2],dims[1]+dims[3]]) < dims[4]) ||
+			(distancePointToLineSegment([x,y],[dims[0]+dims[2],dims[1]+dims[3]],[dims[0],dims[1]+dims[3]]) < dims[4]) ||
+			(distancePointToLineSegment([x,y],[dims[0],dims[1]+dims[3]],[dims[0],dims[1]]) < dims[4])
+		) ||
+		(pos.shape == 'circle' && dist(x,y,dims[0],dims[1]) <= dims[2]) ||
+		(pos.shape == 'sector' && isPointInSector([x,y],dims) == true) ||
+		(pos.shape == 'openCircle' && dist(x,y,dims[0],dims[1]) >= dims[2]-dims[3] && dist(x,y,dims[0],dims[1]) <= dims[2]+dims[3]) ||
+		(pos.shape == 'ellipse' && isPointInEllipse([x,y],[dims[0],dims[1]],dims[2],dims[3]) == true) ||
+		(pos.shape == 'openEllipse' && isPointOnEllipse([x,y],[dims[0],dims[1]],dims[2],dims[3],dims[4]) == true) ||
+		(pos.shape == 'line' && (distancePointToLineSegment([x,y],dims[0],dims[1]) < dims[2])) ||
+		(pos.shape == 'path' && (distancePointToPath([x,y],dims[0]) <= dims[1])) ||
+		(pos.shape == 'polygon' && hitTestPolygon([x,y],dims,true) == true)
+	) {
+		 return true;
+	}
+	return false;
+}
+function cursorPosHighlight(clr) {
+	return;
+	if (draw.highlightCursorPositions == false) return;
+	if (un(draw.cursorPosHighlight)) {
+		draw.cursorPosHighlight = newctx({z:99999999});
+		var ctx = draw.cursorPosHighlight;
+		ctx.lineWidth = draw.selectTolerance * 2;
+		ctx.strokeStyle = colorA('#FF0',0.4);
+		ctx.fillStyle = colorA('#FF0',0.4);		
+	}
+	var ctx = draw.cursorPosHighlight;
+	ctx.clear();
+	
+	if (boolean(clr,false) == true) return;
+	var c = draw.currCursor;
+	if (c.cursor == 'default' || c.cursor == 'move1') return;
+	if (draw.highlightCursorPositions == 'part' && c.highlight == -1) return;
+	switch (c.shape) {
+		case 'rect':
+			ctx.fillRect(c.dims[0],c.dims[1],c.dims[2],c.dims[3]);
+			break;
+		case 'openRect':
+			ctx.strokeRect(c.dims[0],c.dims[1],c.dims[2],c.dims[3]);			
+			break;
+		case 'circle':
+			ctx.beginPath();
+			ctx.arc(c.dims[0],c.dims[1],c.dims[2],0,2*Math.PI);
+			ctx.fill();
+			break;
+		case 'sector':
+			ctx.beginPath();
+			ctx.moveTo(c.dims[0],c.dims[1]);
+			ctx.lineTo(c.dims[0]+c.dims[2]*Math.cos(c.dims[3]),c.dims[1]+c.dims[2]*Math.sin(c.dims[3]));
+			ctx.arc(c.dims[0],c.dims[1],c.dims[2],c.dims[3],c.dims[4]);
+			ctx.lineTo(c.dims[0],c.dims[1]);
+			ctx.fill();
+			break;			
+		case 'openCircle':
+			ctx.beginPath();
+			ctx.arc(c.dims[0],c.dims[1],c.dims[2],0,2*Math.PI);
+			ctx.stroke();			
+			break;
+		case 'ellipse':
+			
+			break;
+		case 'openEllipse':
+			
+			break;
+		case 'line':
+			ctx.beginPath();
+			ctx.moveTo(c.dims[0][0],c.dims[0][1]);
+			ctx.lineTo(c.dims[1][0],c.dims[1][1]);
+			ctx.stroke();
+			break;
+		case 'path':
+			
+			break;			
+	}
+	
+	if (draw.highlightCursorPositions == 'part') return;
+	
+	for (var p = c.pos+1; p < draw.cursorPositions.length; p++) {
+		var c = draw.cursorPositions[p];
+		switch (c.shape) {
+			case 'rect':
+				ctx.clearRect(c.dims[0],c.dims[1],c.dims[2],c.dims[3]);
+				break;
+			case 'openRect':
+				clearLineRounded(ctx,c.dims[0],c.dims[1],c.dims[0]+c.dims[2],c.dims[1],draw.selectTolerance*2);
+				clearLineRounded(ctx,c.dims[0]+c.dims[2],c.dims[1],c.dims[0]+c.dims[2],c.dims[1]+c.dims[3],draw.selectTolerance*2);
+				clearLineRounded(ctx,c.dims[0]+c.dims[2],c.dims[1]+c.dims[3],c.dims[0],c.dims[1]+c.dims[3],draw.selectTolerance*2);
+				clearLineRounded(ctx,c.dims[0],c.dims[1]+c.dims[3],c.dims[0],c.dims[1],draw.selectTolerance*2);
+				break;
+			case 'circle':
+				clearCircle(ctx,c.dims[0],c.dims[1],c.dims[2]);
+				break;
+			case 'openCircle':
+				
+				break;
+			case 'ellipse':
+				
+				break;
+			case 'openEllipse':
+				
+				break;
+			case 'line':
+				clearLineRounded(ctx,c.dims[0][0],c.dims[0][1],c.dims[1][0],c.dims[1][1],draw.selectTolerance*2);
+				break;
+			case 'path':
+				
+				break;			
+		}		
+	}
+}
+
+function clearCircle(context,x,y,radius) {
+	context.save();
+	context.beginPath();
+	context.arc(x, y, radius, 0, 2*Math.PI, true);
+	context.clip();
+	context.clearRect(x-radius,y-radius,radius*2,radius*2);
+	context.restore();
+}
+function clearLineSquared(context,x1,y1,x2,y2,thickness) {
+	var tmp, length;
+	// swap coordinate pairs if x-coordinates are RTL to make them LTR
+	if (x2 < x1) {
+		tmp = x1; x1 = x2; x2 = tmp;
+		tmp = y1; y1 = y2; y2 = tmp;
+	}
+
+	length = dist(x1,y1,x2,y2);
+
+	context.save();
+	context.translate(x1,y1);
+	context.rotate(Math.atan2(y2-y1,x2-x1));
+	context.clearRect(0,0,length,thickness);
+	context.restore();
+}
+function clearLineRounded(context,x1,y1,x2,y2,thickness) {
+	if (thickness <= 2) {
+		clearLineSquared(context,x1,y1,x2,y2,thickness);
+		return;
+	}
+
+	var tmp, half_thickness = thickness / 2, length,
+		PI15 = 1.5 * Math.PI, PI05 = 0.5 * Math.PI
+	;
+
+	// swap coordinate pairs if x-coordinates are RTL to make them LTR
+	if (x2 < x1) {
+		tmp = x1; x1 = x2; x2 = tmp;
+		tmp = y1; y1 = y2; y2 = tmp;
+	}
+
+	length = dist(x1,y1,x2,y2);
+
+	context.save();
+	context.translate(x1,y1);
+	context.rotate(Math.atan2(y2-y1,x2-x1));
+	x1 = 0;
+	y1 = 0;
+	x2 = length - 1;
+	y2 = 0;
+	// draw a complex "line" shape with rounded corner caps
+
+	context.moveTo(x1,y1-half_thickness);
+	context.lineTo(x2,y2-half_thickness);
+	context.arc(x2,y2,half_thickness,PI15,PI05,false);
+	context.lineTo(x1,y1-half_thickness+thickness);
+	context.arc(x1,y1,half_thickness,PI05,PI15,false);
+	context.closePath();
+	x1 -= half_thickness;
+	y1 -= half_thickness;
+
+	context.clip();
+	context.clearRect(x1,y1,length+thickness,thickness);
+	context.restore();
+}
+
+draw.getPathObjTypes = function(path) {
+	if (un(path)) path = draw.path;
+	var types = [];
+	if (path instanceof Array) {
+		for (var p = 0; p < path.length; p++) processPath(path[p]);
+	} else {
+		processPath(path);
+	}
+	return types;
+	
+	function processPath(path2) {
+		for (var o = 0; o < path2.obj.length; o++) {
+			var obj = path2.obj[o];
+			if (types.indexOf(obj.type) == -1) types.push(obj.type);
+		}
+	}
+}
+draw.updateAllBorders = function(paths) {
+	if (un(paths)) paths = draw.path;
+	for (var p = 0; p < paths.length; p++) updateBorder(paths[p]);
+}
+draw.updateSelectedBorders = function() {
+	for (var p = 0; p < draw.path.length; p++) {
+		if (draw.path[p].selected == true) updateBorder(draw.path[p]);
+	}
+}
+function updateBorder(path,override) {
+	if (un(draw.path) && boolean(override,false) == true) return;
+	var x1,y1,x2,y2, buttons = [], left = [], top = [], right = [], bottom = [];
+	for (var i = 0; i < path.obj.length; i++) {
+		if (un(path.obj[i])) continue;
+		var obj = path.obj[i];
+		if (!un(draw[obj.type]) && !un(draw[obj.type].getRect)) {
+			var rect = draw[obj.type].getRect(obj);
+			if (!un(rect)) {
+				left[i] = rect[0];
+				top[i] = rect[1];
+				right[i] = rect[0]+rect[2];
+				bottom[i] = rect[1]+rect[3];
+			}
+		} else {
+			left[i] = obj.left;
+			top[i] = obj.top;
+			right[i] = obj.left + obj.width;
+			bottom[i] = obj.top + obj.height;
+		}
+	}
+	
+	var x1 = arrayMin(left);
+	var y1 = arrayMin(top);
+	var x2 = arrayMax(right);
+	var y2 = arrayMax(bottom);	
+	
+	path.tightBorder = [x1,y1,x2-x1,y2-y1,x2,y2];
+	path._center = [(x1+x2)/2,(y1+y2)/2];
+	var padding = draw.selectPadding;
+	x1 -= padding;
+	y1 -= padding;
+	x2 += padding;
+	y2 += padding;
+	path.border = [x1,y1,x2-x1,y2-y1,x2,y2];
+	
+	if (un(draw.path) || typeof draw.path.indexOf !== 'function') return;
+	var pathNum = draw.path.indexOf(path);
+	
+	if (path.obj.length == 1 && (['image','rect','square','circle','ellipse','simpleGrid','anglesAroundPoint','text2','table2'].indexOf(path.obj[0].type) > -1 || path.obj[0].type == 'angle' && un(path.obj[0].d) || (!un(draw[path.obj[0].type]) && draw[path.obj[0].type].resizable == true))) {
+		// resize handle in bottom right corner
+		buttons.push({buttonType:'resize',shape:'rect',dims:[x2-20,y2-20,20,20],cursor:draw.cursors.nw,func:drawClickStartResizeObject,pathNum:pathNum});
+	} else if (path.obj.length > 1) {
+		buttons.push({buttonType:'resize-path',shape:'rect',dims:[x2-20,y2-20,20,20],cursor:draw.cursors.nw,func:drawClickStartResizePath,pathNum:pathNum});
+	}
+	
+	if (path.obj.length == 1 && !un(draw[path.obj[0].type]) && !un(draw[path.obj[0].type].getButtons)) {
+		buttons = buttons.concat(draw[path.obj[0].type].getButtons(x1,y1,x2,y2,pathNum,path));
+	}
+	
+	if (!un(path.isInput)) {
+		buttons.push({buttonType:'isInput-type',shape:'rect',dims:[(x1+x2)/2-40,y1,80,20],cursor:draw.cursors.default,func:function() {},pathNum:pathNum,type:path.isInput.type});		
+		
+		if (path.isInput.type == 'text' && path.obj.length == 1 && path.obj[0].type == 'text2') {
+			
+		} else if (!un(draw.selectInput) && path.isInput.type == 'select' && path.obj.length == 1 && path.obj[0].type == 'table2') {
+			/*var obj = path.obj[0];
+			for (var r = 0; r < obj.cells.length; r++) {
+				for (var c = 0; c < obj.cells[r].length; c++) {
+					buttons.push({buttonType:'select-input-cellToggle',shape:'rect',dims:[obj.xPos[c+1]-20,obj.yPos[r],20,20],cursor:draw.cursors.pointer,func:draw.selectInput.cellToggle,pathNum:pathNum,row:r,col:c});
+				}
+			}
+			buttons.push({buttonType:'select-input-shuffleToggle',shape:'rect',dims:[x1+20,y2-20,60,20],cursor:draw.cursors.pointer,func:draw.selectInput.shuffleToggle,pathNum:pathNum,shuffle:path.isInput.shuffle});
+			if (!un(path.isInput.selColors)) {
+				buttons.push({buttonType:'select-input-selColors',shape:'rect',dims:[x1+80,y2-20,20,20],cursor:draw.cursors.pointer,func:draw.selectInput.selColors,pathNum:pathNum,selColors:path.isInput.selColors});
+			}*/
+		} else if (!un(draw.isInput) && path.isInput.type == 'drag') {
+			buttons.push({buttonType:'isInput-drag-value',shape:'rect',dims:[x1+20,y2-20,80,20],cursor:draw.cursors.pointer,func:draw.isInput.dragSetValue,pathNum:pathNum});
+			
+			buttons.push({buttonType:'isInput-drag-shuffleToggle',shape:'rect',dims:[x2-80,y2-20,60,20],cursor:draw.cursors.pointer,func:draw.isInput.dragShuffleToggle,pathNum:pathNum});
+			
+		} else if (!un(draw.isInput) && path.isInput.type == 'dragArea') {
+			//buttons.push({buttonType:'isInput-drag-value',shape:'rect',dims:[x1+20,y2-20,80,20],cursor:draw.cursors.pointer,func:draw.isInput.dragSetValue,pathNum:pathNum});
+			
+			buttons.push({buttonType:'isInput-dragArea-snapToggle',shape:'rect',dims:[x2-80,y2-20,60,20],cursor:draw.cursors.pointer,func:draw.isInput.dragAreaSnapToggle,pathNum:pathNum});
+		}
+	}
+
+	// plus & minus zIndex buttons in bottom left corner
+	buttons.push({buttonType:'orderPlus',shape:'rect',dims:[x1,y2-40,20,20],cursor:draw.cursors.pointer,func:drawClickOrderPlus,pathNum:pathNum});
+	buttons.push({buttonType:'orderMinus',shape:'rect',dims:[x1,y2-20,20,20],cursor:draw.cursors.pointer,func:drawClickOrderMinus,pathNum:pathNum});
+		
+	// delete button in top right corner
+	buttons.push({buttonType:'delete',shape:'rect',dims:[x2-20,y1,20,20],cursor:draw.cursors.pointer,func:drawClickDelete,pathNum:pathNum});
+	
+	if (draw.appearMode == true) {
+		buttons.push({buttonType:'appear',shape:'rect',dims:[x1,y1,20,20],cursor:draw.cursors.pointer,func:drawClickAppear,pathNum:pathNum});
+	} else {
+		buttons.push({buttonType:'trigger',shape:'rect',dims:[x1,y1,20,20],cursor:draw.cursors.pointer,func:drawClickTrigger,pathNum:pathNum});
+	}
+	
+	buttons.push({buttonType:'toggle-draggable',shape:'rect',dims:[x1+20,y1,20,20],cursor:draw.cursors.pointer,func:draw.togglePathDraggable,pathNum:pathNum,path:path});
+	
+	buttons.push({buttonType:'toggle-notesOverlay',shape:'rect',dims:[x1+40,y1,20,20],cursor:draw.cursors.pointer,func:draw.toggleNotesOverlay,pathNum:pathNum,path:path});
+	
+	path.borderButtons = buttons; 
+	return path.border;
+}
+draw.toggleNotesOverlay = function() {
+	var path = draw.currCursor.path;
+	if (path.notesOverlay === true) {
+		delete path.notesOverlay;
+	} else {
+		path.notesOverlay = true;
+	}
+	drawCanvasPaths();
+}
+draw.getPathFunctions = function(path) {
+	var funcs = [];
+	for (var key in path) if (typeof path[key] === 'function') funcs.push([path,key,'path.'+key+'()']);
+	if (!un(path.interact)) {
+		for (var key in path.interact) if (typeof path.interact[key] === 'function') funcs.push([path.interact,key,'path.interact.'+key+'()']);
+	}
+	if (!un(path.isInput)) {
+		for (var key in path.isInput) if (typeof path.isInput[key] === 'function') funcs.push([path.isInput,key,'path.isInput.'+key+'()']);
+	}
+	return funcs;
+}
+draw.getObjFunctions = function(obj) {
+	var funcs = [];
+	for (var key in obj) if (typeof obj[key] === 'function') funcs.push([obj,key,'obj.'+key]);
+	if (!un(obj.interact)) {
+		for (var key in obj.interact) if (typeof obj.interact[key] === 'function') funcs.push([obj.interact,key,'obj.interact.'+key+'()']);
+	}
+	return funcs;
+}
+
+function cycleSelected(reverse) {
+	var selected = selPathNum();
+	deselectAllPaths();
+	if (boolean(reverse,false) == false) {
+		selected = (selected+1)%draw.path.length;
+	} else {
+		selected = selected-1;
+		if (selected == -1) selected = draw.path.length-1;
+	}
+	draw.path[selected].selected = true;
+	calcCursorPositions();
+	drawCanvasPaths();
+}
+function sel() {
+	if (un(draw) || un(draw.path)) return false;
+	for (var p = 0; p < draw.path.length; p++) {
+		if (draw.path[p].selected == true) {
+			return draw.path[p].obj[0];
+		}
+	}
+	return false;
+}
+function selObjs() {
+	if (un(draw) || un(draw.path)) return false;
+	var objs = [];
+	for (var p = 0; p < draw.path.length; p++) {
+		if (draw.path[p].selected == true) {
+			for (var o = 0; o < draw.path[p].obj.length; o++) {
+				objs.push(draw.path[p].obj[o]);
+			}
+		}
+	}
+	return objs;
+}
+function selPath() {
+	for (var p = 0; p < draw.path.length; p++) {
+		if (draw.path[p].selected == true) {
+			return draw.path[p];
+		}
+	}
+	return false;
+}
+function selPathNum() {
+	for (var p = 0; p < draw.path.length; p++) {
+		if (draw.path[p].selected == true) {
+			return p;
+		}
+	}
+	return -1;	
+}
+function selPathNums() {
+	var nums = [];
+	for (var p = 0; p < draw.path.length; p++) {
+		if (draw.path[p].selected == true) nums.push(p);
+	}
+	return nums;
+}
+function selPaths() {
+	if (un(draw) || un(draw.path)) return [];
+	var paths = [];
+	for (var p = 0; p < draw.path.length; p++) {
+		if (draw.path[p].selected == true) {
+			paths.push(draw.path[p]);
+		}
+	}
+	return paths;
+}
+
+draw.undo = {
+	save:true,
+	saveState: function() {
+		if (draw.undo.save == false) return;
+		if (un(draw.undo.undoStack[0]) || draw.undo.pathsEqual(draw.path,draw.undo.undoStack[0]) == false) {
+			draw.undo.undoStack.unshift(clone(draw.path));
+			draw.undo.redoStack = [];
+		}
+	},
+	undoStack:[],
+	undo:function() {
+		while (!un(draw.undo.undoStack[0]) && draw.undo.pathsEqual(draw.path,draw.undo.undoStack[0])) {
+			draw.undo.undoStack.shift();
+		}
+		if (un(draw.undo.undoStack[0])) return;
+		draw.undo.redoStack.unshift(clone(draw.path));
+		draw.path = draw.undo.undoStack.shift();
+		draw.undo.save = false;
+		deselectAllPaths();
+		draw.undo.save = true;
+	},
+	redoStack:[],
+	redo:function() {
+		while (!un(draw.undo.redoStack[0]) && draw.undo.pathsEqual(draw.path,draw.undo.redoStack[0])) {
+			draw.undo.redoStack.shift();
+		}
+		if (draw.undo.redoStack.length == 0) return; 
+		draw.undo.undoStack.unshift(clone(draw.path));
+		draw.path = draw.undo.redoStack.shift();
+		draw.undo.save = false;
+		deselectAllPaths();
+		draw.undo.save = true;
+	},
+	reset: function() {
+		draw.undo.undoStack = [];
+		draw.undo.redoStack = [];
+	},
+	pathsEqual: function(a,b) {
+		if (a.length !== b.length) return false;
+		for (var p = 0; p < a.length; p++) {
+			var path1 = a[p];
+			var path2 = b[p];
+			if (path1.obj.length !== path2.obj.length) return false;
+			if ((!un(path1.appear) || !un(path2.appear)) && isEqual(path1.appear,path2.appear) == false) return false;
+			for (var o = 0; o < path1.obj.length; o++) {
+				var obj1 = path1.obj[o];
+				var obj2 = path2.obj[o];
+				for (var key in obj1) {
+					if (['ctx','text'].includes(key) || key.indexOf('_') == 0 || !obj1.hasOwnProperty(key)  || isElement(obj1[key])) continue;
+					if (isEqual(obj1[key],obj2[key]) == false) return false;
+				}
+			}
+		}
+		return true;
+	}
+}
+draw.scalePath = function(path,sf) {
+	if (un(path.border)) updateBorder(path);
+	var center = [path.border[0],path.border[1]];
+	for (var o = 0; o < path.obj.length; o++) {
+		var obj = path.obj[o];
+		if (un(draw[obj.type]) || un (draw[obj.type].scale)) continue;
+		draw[obj.type].scale(obj,sf,center);
+	}
+	updateBorder(path);
+	drawCanvasPaths();
+}
+
+/***************************/
+/*   KEYBOARD SHORTCUTS    */
+/***************************/
+
+var snapToObj2Mode = 'ctrl';
+var snapToObj2On = false;
+var snapBordersOn = false;
+var shiftOn = false;
+var ctrlOn = false;
+var altOn = false;
+window.addEventListener('keydown', keydown, false);
+function keydown(e) {
+	if (e.keyCode == 16) {
+		shiftOn = true;
+	} else if (e.keyCode == 17) {
+		ctrlOn = true;
+		snapToObj2On = true;
+	} else	if (e.keyCode == 18) {
+		altOn = true;
+	}
+	if (typeof window.keynav !== 'undefined') window.keynav(e);
+}
+window.addEventListener('keyup', keyup ,false);
+function keyup(e) {
+	if (e.keyCode == 16) {
+		shiftOn = false;
+	} else if (e.keyCode == 17) {
+		ctrlOn = false;
+		if (snapToObj2Mode == 'ctrl') snapToObj2On = false;
+	} else	if (e.keyCode == 18) {
+		altOn = false;
+	}
+}
+function addKeyboardShortcuts() {
+	window.addEventListener('keydown', keydown1, false);
+	//window.addEventListener('keyup', keyup1, false);
+}
+function removeKeyboardShortcuts() {
+	window.removeEventListener('keydown', keydown1, false);
+	//window.removeEventListener('keyup', keyup1, false);
+}
+function keydown1(e) {
+	if (!un(draw.codeEditor) && draw.codeEditor.div.parentNode == container) {
+		if (e.key == 'Escape') draw.codeEditor.close();
+		return;
+	}
+	if (e.target.allowDefault === true) return;
+	if (textEdit.obj !== null) return;	
+	if (e.key == 'Tab') {
+		e.preventDefault();
+		cycleSelected(e.getModifierState('Shift'));
+		return;
+	}
+	if (e.getModifierState('Control')) {
+		//console.log(e.key);
+		if (e.key == 'z' || e.key == 'Z') {
+			e.preventDefault();
+			draw.undo.undo();
+		} else if (e.key == 'y' || e.key == 'Y') {
+			e.preventDefault();
+			draw.undo.redo();
+		} else if (e.key == 's' || e.key == 'S') {
+			e.preventDefault();
+			var objects = selObjs();
+			for (var o = 0; o < objects.length; o++) {
+				console.log(objects[o]);
+			}
+		} else if (e.key == 'o' || e.key == 'O') {
+			e.preventDefault();
+			console.log(selPath().obj);
+		} else if (e.key == 'p' || e.key == 'P') {
+			e.preventDefault();
+			console.log(selPath());
+		} else if (e.key == 'x' || e.key == 'X') {
+			e.preventDefault();
+			cutPaths(e);
+		} else if (e.key == 'c' || e.key == 'C') {
+			e.preventDefault();
+			copyPaths(e);
+		} else if (e.key == 'v' || e.key == 'V') {
+			e.preventDefault();
+			pastePaths(e);
+		} else if (e.key == 'b' || e.key == 'B') {
+			e.preventDefault();
+			if (typeof textMenu !== 'undefined') textMenu.applyValue("bold",!textEdit.menu.currentStyle.bold);
+		} else if (e.key == 'i' || e.key == 'I') {
+			e.preventDefault();
+			if (typeof textMenu !== 'undefined') textMenu.applyValue("italic",!textEdit.menu.currentStyle.italic);
+		} else if (e.key == 'g' || e.key == 'G') {
+			e.preventDefault();
+			groupPaths();
+		} else if (e.key == 'u' || e.key == 'U') {
+			e.preventDefault();
+			ungroupPaths();
+		} else if (e.key == 't' || e.key == 'T') {
+			e.preventDefault();
+			//addTitle();
+		} else if (e.key == 'd' || e.key == 'D') {
+			e.preventDefault();
+			clonePaths();
+		} else if (e.key == 'a' || e.key == 'A') {
+			e.preventDefault();
+			selectAllPaths();
+		} else if (e.key == 'q' || e.key == 'Q') {
+			e.preventDefault();
+			if (typeof textMenu !== 'undefined') textMenu.applyValue("font");
+			//showCursorPositions();
+		} else if (e.keyCode == 38) { // up
+			e.preventDefault();
+			//fontSizeUp();
+		} else if (e.keyCode == 40) { // down
+			e.preventDefault();
+			//fontSizeDown();
+		} else if (e.keyCode == 46) { // delete
+			e.preventDefault();
+			deleteSelectedPaths();			
+		} else if (e.key == 'm' || e.key == 'M') {
+			e.preventDefault();
+			centerDistributeText();
+		}
+	} else if (e.getModifierState('Shift')) {
+		if (e.keyCode == 37) { // left
+			e.preventDefault();
+			movePaths(-5,0);
+		} else if (e.keyCode == 38) { // up
+			e.preventDefault();
+			movePaths(0,-5);
+		} else if (e.keyCode == 39) { // right
+			e.preventDefault();
+			movePaths(5,0);
+		} else if (e.keyCode == 40) { // down
+			e.preventDefault();
+			movePaths(0,5);
+		}
+	} else if (e.getModifierState('Alt')) {
+		if (e.keyCode == 37) { // left
+			e.preventDefault();
+			movePaths(-1,0);
+		} else if (e.keyCode == 38) { // up
+			e.preventDefault();
+			movePaths(0,-1);
+		} else if (e.keyCode == 39) { // right
+			e.preventDefault();
+			movePaths(1,0);
+		} else if (e.keyCode == 40) { // down
+			e.preventDefault();
+			movePaths(0,1);
+		} else if (e.keyCode == 76) { // l
+			e.preventDefault();
+			alignPaths('left');
+		} else if (e.keyCode == 67) { // c
+			e.preventDefault();
+			alignPaths('center');
+		} else if (e.keyCode == 82) { // r
+			e.preventDefault();
+			alignPaths('right');
+		} else if (e.keyCode == 84) { // t
+			e.preventDefault();
+			alignPaths('top');
+		} else if (e.keyCode == 77) { // m
+			e.preventDefault();
+			alignPaths('middle');
+		} else if (e.keyCode == 66) { // b
+			e.preventDefault();
+			alignPaths('bottom');
+		} else if (e.key.toLowerCase() == 'e') {
+			e.preventDefault();
+			draw.text2.horizAlignToEquals();
+		}
+	}
+}
+/*window.addEventListener('paste', onpaste, false);
+function onpaste(e) {
+	// if ?
+	console.log(event.clipboardData.getData('Text'));
+};*/
+
+draw.keyboard = {
+	active:false,
+	create:function(obj) {
+		createKeyboard(obj);
+		draw.keyboard.active = true;
+	},
+	show:function(lightUp) {
+		showKeyboard2(lightUp);
+		
+	},
+	hide:function() {
+		hideKeyboard2();
+	},
+	showButton:function() {
+		hideKeyboard2();
+		showObj(keyboardButton1[0]);
+		hideObj(keyboardButton2[0]);
+	},
+	hideButton:function() {
+		hideKeyboard2();
+		hideObj(keyboardButton1[0]);
+		hideObj(keyboardButton2[0]);
+	},
+	getPosition:function() {
+		var data = keyboard[0].data;
+		return [data[100],data[101]];
+	},
+	setPosition:function(pos) {
+		keyboard[0].data[100] = pos[0];
+		keyboard[0].data[101] = pos[1];
+		resizeCanvas2(keyboard[0],pos[0],pos[1]);
+
+		for (i = 0; i < key1[pageIndex].length; i++) {
+			if (boolean(key1[pageIndex][i].static,false) == false) {
+				key1Data[pageIndex][i][100] = pos[0] + key1Data[pageIndex][i][4];
+				key1Data[pageIndex][i][101] = pos[1] + key1Data[pageIndex][i][5]; 
+				resizeCanvas2(key1[pageIndex][i],key1Data[pageIndex][i][100],key1Data[pageIndex][i][101]);
+			}
+		}
+	},
+	moveAwayFromTextInput: function() {
+		var textRect = textEdit.obj.rect.slice(0);
+		textRect[0] += draw.drawRelPos[0];
+		textRect[1] += draw.drawRelPos[1];
+		var keyboardRect = keyboard[0].data.slice(100,104);
+		if (hitTestTwoRects(textRect,keyboardRect) === false) return;		
+		//console.log(textRect,keyboardRect);
+		if (textRect[0] >= keyboardRect[2]) {
+			draw.keyboard.setPosition([textRect[0]-keyboardRect[2],keyboardRect[1]]);
+		} else if ((1200-(textRect[0]+textRect[2])) >= keyboardRect[2]) {
+			draw.keyboard.setPosition([textRect[0]+textRect[2],keyboardRect[1]]);
+		} else if (textRect[1] >= keyboardRect[3]) {
+			draw.keyboard.setPosition([keyboardRect[0],textRect[1]-keyboardRect[3]]);			
+		} else if ((700-(textRect[1]+textRect[3])) >= keyboardRect[3]) {
+			draw.keyboard.setPosition([keyboardRect[0],textRect[1]+textRect[3]]);			
+		}
+		
+	}
+}
+
+/***************************/
+/*	 	DRAWING OBJECTS    */
+/***************************/
+
+function drawClickFloodFillClick(e) {
+	deselectAllPaths(false);
+	updateMouse(e);
+	var x = draw.mouse[0];
+	var y = draw.mouse[1];
+	//var x = mouse.x - draw.drawRelPos[0] - draw.drawArea[0];
+	//var y = mouse.y - draw.drawRelPos[1] - draw.drawArea[1];
+	draw.fillPath.fillPolygonAtPoint(x,y);
+}
+function floodFill(canvas, startX, startY, fillColor) {
+	startX = Math.round(startX);
+	startY = Math.round(startY);
+	var dstImg = canvas.ctx.getImageData(0,0,canvas.width,canvas.height);
+	var dstData = dstImg.data;
+	var alteredPixels = [];
+	
+	var startPos = getPixelPos(startX, startY);
+	var startColor = {
+		r: dstData[startPos],
+		g: dstData[startPos+1],
+		b: dstData[startPos+2],
+		a: dstData[startPos+3]
+	};
+	var todo = [[startX,startY]];
+
+	while (todo.length) {
+		var pos = todo.pop();
+		var x = pos[0];
+		var y = pos[1];    
+		var currentPos = getPixelPos(x, y);
+		
+		while((y-- >= 0) && matchStartColor(dstData, currentPos, startColor)) {
+			currentPos -= canvas.width * 4;
+		}
+
+		currentPos += canvas.width * 4;
+		++y;
+		var reachLeft = false;
+		var reachRight = false;
+
+		while((y++ < canvas.height-1) && matchStartColor(dstData, currentPos, startColor)) {
+			
+			colorPixel(dstData, currentPos, fillColor);
+
+			if (x > 0) {
+				if (matchStartColor(dstData, currentPos-4, startColor)) {
+					if (!reachLeft) {
+						todo.push([x-1, y]);
+						reachLeft = true;
+					}
+				} else if (reachLeft) {
+					reachLeft = false;
+				}
+			}
+
+			if (x < canvas.width-1) {
+				if (matchStartColor(dstData, currentPos+4, startColor)) {
+					if (!reachRight) {
+						todo.push([x+1, y]);
+						reachRight = true;
+					}
+				} else if (reachRight) {
+					reachRight = false;
+				}
+			}
+
+			currentPos += canvas.width * 4;
+		}
+	}
+	return alteredPixels;
+	
+	function getPixelPos(x, y) {
+		return (y * canvas.width + x) * 4;
+	};
+	function getPixelPosInverse(pos) {
+		var pos2 = Math.floor(pos/4);
+		return [pos2%canvas.width,Math.floor(pos2/canvas.width)];
+	};
+	function matchStartColor(data, pos, startColor) {
+	  return (
+		data[pos]   === startColor.r &&
+		data[pos+1] === startColor.g &&
+		data[pos+2] === startColor.b &&
+		data[pos+3] === startColor.a);
+	};
+	function colorPixel(data, pos, color) {
+		alteredPixels.push(getPixelPosInverse(pos));
+		data[pos] = color.r || 0;
+		data[pos+1] = color.g || 0;
+		data[pos+2] = color.b || 0;
+		data[pos+3] = color.hasOwnProperty("a") ? color.a : 255;
+	};
+};
+function drawClickStartDraw() {
+	deselectAllPaths(false);
+	//var x = mouse.x - draw.drawRelPos[0] - draw.drawArea[0];
+	//var y = mouse.y - draw.drawRelPos[1] - draw.drawArea[1];
+	//updateMouse(e);
+	var x = draw.mouse[0];
+	var y = draw.mouse[1];
+	if (snapToObj2On && draw.drawMode !== 'pen' && un(draw.snapToObjs)) {
+		updateSnapPoints(); // update intersection points
+		var pos = snapToObj2([x,y]);
+		x = pos[0];
+		y = pos[1];
+	}
+	switch (draw.drawMode) {
+		case 'pen':
+			draw.drawing = true;
+			draw.prevX = x;
+			draw.prevY = y;
+			var obj = {
+				type:'pen',
+				color:draw.color,
+				thickness:draw.thickness,
+				pos:[[x,y]],
+			};
+			if (!un(draw.dash) && draw.dash.length > 0) obj.dash = clone(draw.dash);
+			draw.path.push({obj:[obj],selected:false,time:Date.parse(new Date())});
+			//addListenerMove(window,penDrawMove);
+			//addListenerEnd(window,penDrawStop);
+			draw.animate(penDrawMove,penDrawStop,drawSelectedPaths);		
+			break;
+		case 'line':
+			// if too many lines, delete oldest
+			var lineCount = 0;
+			for (var i = draw.path.length - 1; i >= 0; i--) {
+				for (var o = 0; o < draw.path[i].obj.length; o++) {
+					if (draw.path[i].obj[o].type == 'line') {
+						lineCount++;
+						if (lineCount >= draw.maxLines) {
+							draw.path.splice(i,1);
+						}
+					}
+				}
+			}
+			var point = [x,y];
+			if (draw.snap == true) {
+				updateSnapPoints();
+				point = snapToPoints(point,draw.snapPoints,draw.snapTolerance);
+			} else if (draw.gridSnap == true) {
+				//startX = roundToNearest(startX,draw.gridSnapSize);
+				//startY = roundToNearest(startY,draw.gridSnapSize);
+			}
+			if (snapToObj2On) {
+				point = snapToObj2(point,-1);
+			}
+
+			draw.drawing = true;
+			draw.startX = point[0];
+			draw.startY = point[1];
+			var obj = {
+				type:'line',
+				color:draw.color,
+				thickness:draw.thickness,
+				startPos:point,
+				drawing:true
+			};
+			if (!un(draw.dash) && draw.dash.length > 0) obj.dash = clone(draw.dash)
+			draw.path.push({obj:[obj],selected:false});
+			
+			if (boolean(draw.vector,false)) {
+				draw.path.last().obj[0].endMid = 'open';
+				draw.path.last().obj[0].endMidSize = draw.thickness*5;
+			}
+			//addListenerMove(window,lineDrawMove);
+			//addListenerEnd(window,lineDrawStop);		
+			draw.animate(lineDrawMove,lineDrawStop,drawSelectedPaths);		
+			break;
+		case 'rect' :
+		case 'square' :
+			var startX = x;
+			var startY = y;
+			if (draw.gridSnap == true) {
+				startX = roundToNearest(startX,draw.gridSnapSize);
+				startY = roundToNearest(startY,draw.gridSnapSize);
+			}
+			draw.drawing = true;
+			draw.startX = startX;
+			draw.startY = startY;					
+			draw.path.push({obj:[{
+				type:draw.drawMode,
+				color:draw.color,
+				thickness:draw.thickness,
+				fillColor:draw.fillColor,
+				startPos:[startX,startY],
+				edit:false
+			}],selected:false});
+			//addListenerMove(window,rectDrawMove);
+			//addListenerEnd(window,rectDrawStop);		
+			draw.animate(rectDrawMove,rectDrawStop,drawSelectedPaths);
+			break;
+		case 'polygon' :
+			var pos = [x,y];
+			if (draw.gridSnap == true) {
+				pos = [roundToNearest(startX,draw.gridSnapSize),roundToNearest(startY,draw.gridSnapSize)];
+			}
+			if (snapToObj2On) {
+				pos = snapToObj2(pos,-1);
+			}
+			draw.drawing = true;
+			draw.startX = startX;
+			draw.startY = startY;					
+			draw.path.push({obj:[{
+				type:draw.drawMode,
+				color:draw.color,
+				thickness:draw.thickness,
+				fillColor:draw.fillColor,
+				points:[pos,[]],
+				closed:false,
+				lineDecoration:[],
+				angles:[],
+				clockwise:true,
+				edit:false,
+				drawing:true
+			}],selected:false});
+			//console.log(draw.path[draw.path.length-1]);
+			changeDrawMode('polygon-drawing');
+			//addListenerMove(window,polygonDrawMove);
+			//addListenerEnd(window,polygonDrawStop);
+			draw.animate(polygonDrawMove,polygonDrawStop,drawSelectedPaths);
+			break;			
+		case 'circle' :
+			var startX = x;
+			var startY = y;
+			if (draw.gridSnap == true) {
+				startX = roundToNearest(startX,draw.gridSnapSize);
+				startY = roundToNearest(startY,draw.gridSnapSize);
+			}
+			draw.drawing = true;
+			draw.startX = startX;
+			draw.startY = startY;					
+			draw.path.push({obj:[{
+				type:draw.drawMode,
+				color:draw.color,
+				thickness:draw.thickness,
+				fillColor:draw.fillColor,
+				center:[startX,startY],
+				radius:0,
+				showCenter:true,
+				edit:false
+			}],selected:false});
+			//addListenerMove(window,circleDrawMove);
+			//addListenerEnd(window,circleDrawStop);		
+			draw.animate(circleDrawMove,circleDrawStop,drawSelectedPaths);		
+			break;
+		case 'point' :
+			var startX = x;
+			var startY = y;
+			if (draw.gridSnap == true) {
+				startX = roundToNearest(startX,draw.gridSnapSize);
+				startY = roundToNearest(startY,draw.gridSnapSize);
+			}
+			var point = [startX,startY]
+			if (snapToObj2On) point = snapToObj2(point,-1);
+			draw.path.push({obj:[{
+				type:draw.drawMode,
+				color:draw.color,
+				thickness:draw.thickness,
+				fillColor:draw.fillColor,
+				center:point,
+				radius:draw.thickness,
+				showCenter:false,
+				edit:false
+			}],selected:false});
+			break;			
+		case 'ellipse' :
+			var startX = x;
+			var startY = y;
+			if (draw.gridSnap == true) {
+				startX = roundToNearest(startX,draw.gridSnapSize);
+				startY = roundToNearest(startY,draw.gridSnapSize);
+			}
+			draw.drawing = true;
+			draw.startX = startX;
+			draw.startY = startY;					
+			draw.path.push({obj:[{
+				type:draw.drawMode,
+				color:draw.color,
+				thickness:draw.thickness,
+				fillColor:draw.fillColor,
+				center:[startX,startY],
+				radiusX:0,
+				radiusY:0,
+				showCenter:true,
+				edit:false
+			}],selected:false});
+			//addListenerMove(window,ellipseDrawMove);
+			//addListenerEnd(window,ellipseDrawStop);		
+			draw.animate(ellipseDrawMove,ellipseDrawStop,drawSelectedPaths);	
+			break;
+	}
+	drawCanvasPaths();
+	drawSelectCanvas();	
+};
+function penDrawMove(e) {
+	//var x = draw.getRelMouseX(e), y = draw.getRelMouseY();
+	updateMouse(e);
+	var pos = draw.mouse;
+	if (pos[0] !== draw.prevX || pos[1] !== draw.prevY) {
+		draw.path.last().obj[0].pos.push(clone(pos));
+		//drawSelectedPaths();
+		draw.prevX = pos[0];
+		draw.prevY = pos[1];		
+	}
+}
+function penDrawStop(e) {
+	//removeListenerMove(window,penDrawMove);
+	//removeListenerEnd(window,penDrawStop);
+	draw.prevX = null;
+	draw.prevY = null;
+	draw.drawing = false;
+	var pathNum = draw.path.length-1;
+	if (draw.groupPenPaths !== false) {
+		for (var i = draw.path.length-2; i > -1; i--) {
+			if (typeof draw.path[i].obj == 'object') {
+				var penPath = true;
+				for (var j = 0; j < draw.path[i].obj.length; j++) {
+					if (draw.path[i].obj[j].type !== 'pen') {
+						penPath = false;
+					}
+				}
+				if (penPath == true) {
+					pathNum = i;
+					break;
+				}
+			}
+		}
+	}
+	if (pathNum < draw.path.length-1) {
+		var path = draw.path[pathNum];
+		path.obj.push(draw.path[draw.path.length-1].obj[0]);
+		removePathObject(draw.path.length-1);
+	} else {
+		var path = draw.path[draw.path.length-1];
+	}
+	var x1 = path.obj[0].pos[0][0];
+	var y1 = path.obj[0].pos[0][1];
+	var x2 = path.obj[0].pos[0][0];
+	var y2 = path.obj[0].pos[0][1];
+	for (var i = 0; i < path.obj[0].pos.length; i++) {
+		x1 = Math.min(x1,path.obj[0].pos[i][0]);
+		y1 = Math.min(y1,path.obj[0].pos[i][1]);
+		x2 = Math.max(x1,path.obj[0].pos[i][0]);
+		y2 = Math.max(y1,path.obj[0].pos[i][1]);		
+	}
+	path.obj[0].left = x1;
+	path.obj[0].top = y1;
+	path.obj[0].width = x2-x1;
+	path.obj[0].height = y2-y1;
+	updateBorder(path);
+	drawCanvasPaths();		
+}
+function lineDrawMove(e) {
+	//var x = draw.getRelMouseX(e), y = draw.getRelMouseY();
+	updateMouse(e);
+	var x = draw.mouse[0];
+	var y = draw.mouse[1];
+	var pathNum = draw.path.length - 1;
+	var obj = draw.path[pathNum].obj[0];
+	if (draw.drawMode == 'lineStart') {
+		if (shiftOn) {
+			if (Math.abs(obj.finPos[0]-x) < Math.abs(obj.finPos[1]-y)) {
+				obj.startPos = [obj.finPos[0],y];
+			} else {
+				obj.startPos = [x,obj.finPos[1]];
+			}
+		} else if (snapToObj2On || draw.snapLinesTogether) {
+			obj.startPos = snapToObj2([x,y],pathNum);
+		} else {
+			obj.startPos = [x,y];
+		}	
+	} else if (draw.drawMode == 'lineFin' || draw.drawMode == 'line') {
+		if (shiftOn) {
+			if (Math.abs(obj.startPos[0]-x) < Math.abs(obj.startPos[1]-y)) {
+				obj.finPos = [obj.startPos[0],y];
+			} else {
+				obj.finPos = [x,obj.startPos[1]];
+			}			
+		} else if (snapToObj2On || draw.snapLinesTogether) {
+			obj.finPos = snapToObj2([x,y],pathNum);
+		} else {
+			obj.finPos = [x,y];
+		}			
+	}
+	/*drawSelectedPaths();
+	if (draw.drawMode !== 'draw') {
+		updateBorder(draw.path[pathNum]);
+		drawSelectCanvas();
+		drawSelectCanvas2();
+	}*/		
+}
+function lineDrawStop(e) {
+	//console.log('lineDrawStop');
+	//removeListenerMove(window,lineDrawMove);
+	removeListenerMove(window,rulerDrawMove1);
+	removeListenerMove(window,rulerDrawMove2);	
+	removeListenerEnd(window,lineDrawStop);
+	draw.startX = null;
+	draw.startY = null;
+	draw.drawing = false;
+	
+	var path = draw.path.last();
+	var obj = path.obj[0];
+	if (typeof obj.finPos == 'undefined' || getDist(obj.startPos,obj.finPos) < 5) {
+		removePathObject(draw.path.length-1);
+		if (draw.defaultMode == 'select') {
+			changeDrawMode();
+		}
+	} else {
+		if (draw.gridSnap == true && shiftOn == false) {
+			obj.finPos[0] = roundToNearest(obj.finPos[0],draw.gridSnapSize);
+			obj.finPos[1] = roundToNearest(obj.finPos[1],draw.gridSnapSize);			
+		}
+		if (draw.defaultMode == 'select') {
+			path.selected = true;
+			updateBorder(path);
+			changeDrawMode();
+		} else {
+			path.selected = false;
+		}
+		path.trigger = [];	
+
+		for (var i = 0; i < draw.path.length; i++) {
+			for (var j = 0; j < draw.path[i].obj.length; j++) {
+				draw.path[i].obj[j].drawing = false;
+			}
+		}
+		updateBorder(path);
+	}
+	
+	redrawButtons();	
+	drawCanvasPaths();
+	if (!un(draw.contextMenu)) draw.contextMenu.update();
+}
+function rectDrawMove(e) {
+	//var x = draw.getRelMouseX(e), y = draw.getRelMouseY();
+	updateMouse(e);
+	var x = draw.mouse[0];
+	var y = draw.mouse[1];
+	if (draw.drawMode == 'square') {
+		var dx = x-draw.path[draw.path.length-1].obj[0].startPos[0];
+		var dy = y-draw.path[draw.path.length-1].obj[0].startPos[1];
+		if (Math.abs(dx) >= Math.abs(dy)) {
+			x = draw.path[draw.path.length-1].obj[0].startPos[0] + dx;
+			y = draw.path[draw.path.length-1].obj[0].startPos[1] + dx;
+		} else {
+			x = draw.path[draw.path.length-1].obj[0].startPos[0] + dy;
+			y = draw.path[draw.path.length-1].obj[0].startPos[1] + dy;			
+		}
+	}
+
+	draw.path[draw.path.length-1].obj[0].finPos = [x,y];
+	//drawSelectedPaths();
+}
+function rectDrawStop(e) {
+	//removeListenerMove(window,rectDrawMove);
+	//removeListenerEnd(window,rectDrawStop);
+	draw.startX = null;
+	draw.startY = null;
+	draw.drawing = false;
+	
+	if (typeof draw.path[draw.path.length-1].obj[0].finPos == 'undefined' || dist(draw.path[draw.path.length-1].obj[0].startPos[0],draw.path[draw.path.length-1].obj[0].startPos[1],draw.path[draw.path.length-1].obj[0].finPos[0],draw.path[draw.path.length-1].obj[0].finPos[1]) < 5) {
+		draw.path.pop();
+	} else if (draw.gridSnap == true) {
+		draw.path[draw.path.length-1].obj[0].finPos[0] = roundToNearest(draw.path[draw.path.length-1].obj[0].finPos[0],draw.gridSnapSize);
+		draw.path[draw.path.length-1].obj[0].finPos[1] = roundToNearest(draw.path[draw.path.length-1].obj[0].finPos[1],draw.gridSnapSize);
+	}
+	
+	changeDrawMode();
+	draw.path[draw.path.length-1].selected = true;
+	// trigger array
+	draw.path[draw.path.length-1].trigger = [];	
+
+	redrawButtons();
+	updateBorder(draw.path.last());
+	drawCanvasPaths();		
+}
+function polygonDrawMove(e) {
+	updateMouse(e);
+	var x = draw.mouse[0];
+	var y = draw.mouse[1];
+	var obj = draw.path[draw.path.length-1].obj[0];
+	if (shiftOn == true) {
+		var dx = x - obj.points[obj.points.length-2][0];
+		var dy = y - obj.points[obj.points.length-2][1];
+		if (Math.abs(dx/dy) >= 1) {
+			// horizontal line
+			var newPoint = [Math.min(Math.max(x,draw.drawArea[0]),draw.drawArea[0]+draw.drawArea[2]),obj.points[obj.points.length-2][1]];
+		} else {
+			// vertical line
+			var newPoint = [obj.points[obj.points.length-2][0],Math.min(Math.max(y,draw.drawArea[1]),draw.drawArea[1]+draw.drawArea[3])];
+		}
+	} else {
+		var newPoint = [Math.min(Math.max(x,draw.drawArea[0]),draw.drawArea[0]+draw.drawArea[2]),Math.min(Math.max(y,draw.drawArea[1]),draw.drawArea[1]+draw.drawArea[3])];
+		if (snapToObj2On || draw.snapLinesTogether) {
+			newPoint = snapToObj2(newPoint,draw.path.length - 1);
+		}
+	}
+	obj.points[obj.points.length-1] = newPoint;
+	if (obj.points.length >= 2) obj.clockwise = polygonClockwiseTest(obj.points);
+	
+	//drawSelectedPaths();
+}
+function polygonDrawStop(e) {
+	var x = draw.mouse[0];
+	var y = draw.mouse[1];
+	var obj = draw.path[draw.path.length-1].obj[0];
+	if (obj.points.length > 2 && dist(x,y,obj.points[0][0],obj.points[0][1]) < draw.selectTolerance * 2) {
+		// close polygon
+		//removeListenerMove(window,polygonDrawMove);
+		//removeListenerEnd(window,polygonDrawStop);
+		obj.closed = true;
+		obj.drawing = false;
+		obj.points.pop();
+		if (obj.clockwise == true) {
+			obj.points.reverse();
+			obj.clockwise = false;
+		}
+		draw.startX = null;
+		draw.startY = null;
+		draw.drawing = false;
+		changeDrawMode();
+		obj.angles = [];
+		for (var p = 0; p < obj.points.length; p++) {
+			obj.angles[p] = {style:0,radius:30,labelMeasure:true,labelFontSize:25,labelRadius:33,drawCurve:false,measureLabelOnly:true};
+		}		
+		draw.path[draw.path.length-1].selected = true;
+		draw.path[draw.path.length-1].trigger = [];
+		redrawButtons();
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+		if (!un(draw.contextMenu)) draw.contextMenu.update();			
+	} else if (dist(obj.points[obj.points.length-2][0],obj.points[obj.points.length-2][1],obj.points[obj.points.length-1][0],obj.points[obj.points.length-1][1]) < draw.selectTolerance * 2) {
+		// leave polygon open
+		//removeListenerMove(window,polygonDrawMove);
+		//removeListenerEnd(window,polygonDrawStop);
+		obj.drawing = false;
+		obj.points.pop();
+		if (obj.clockwise == true) {
+			obj.points.reverse();
+			obj.clockwise = false;
+		}		
+		draw.startX = null;
+		draw.startY = null;
+		draw.drawing = false;
+		changeDrawMode();
+		obj.angles = [];
+		for (var p = 1; p < obj.points.length-1; p++) {
+			obj.angles[p] = {style:0,radius:30,labelMeasure:true,labelFontSize:25,labelRadius:33,drawCurve:false,measureLabelOnly:true};
+		}
+		draw.path[draw.path.length-1].selected = true;
+		draw.path[draw.path.length-1].trigger = [];
+		redrawButtons();
+		updateBorder(draw.path.last());
+		if (obj.points.length == 1) draw.path.pop();
+		drawCanvasPaths();
+		if (!un(draw.contextMenu)) draw.contextMenu.update();
+	} else {
+		var newPoint = [x,y];
+		if (draw.gridSnap == true) {
+			newPoint[0] = roundToNearest(newPoint[0],draw.gridSnapSize);
+			newPoint[1] = roundToNearest(newPoint[1],draw.gridSnapSize);
+		}		
+		obj.points.push(newPoint);
+		//drawSelectedPaths();
+		draw.animate(polygonDrawMove,polygonDrawStop,drawSelectedPaths);
+		if (!un(draw.contextMenu)) draw.contextMenu.update();		
+	}
+}
+function circleDrawMove(e) {
+	//var x = draw.getRelMouseX(e), y = draw.getRelMouseY();
+	updateMouse(e);
+	var x = draw.mouse[0];
+	var y = draw.mouse[1];
+	draw.path[draw.path.length-1].obj[0].radius = Math.abs(dist(x,y,draw.path[draw.path.length-1].obj[0].center[0],draw.path[draw.path.length-1].obj[0].center[1]));
+	draw.path[draw.path.length-1].obj[0].showCenter = true;
+	//redrawButtons();
+	//drawSelectedPaths();
+}
+function circleDrawStop(e) {
+	//removeListenerMove(window,circleDrawMove);
+	//removeListenerEnd(window,circleDrawStop);
+	draw.startX = null;
+	draw.startY = null;
+	draw.drawing = false;
+	
+	if (draw.gridSnap == true) {
+		draw.path[draw.path.length-1].obj[0].radius = roundToNearest(draw.path[draw.path.length-1].obj[0].radius,draw.gridSnapSize);
+	}
+	draw.path[draw.path.length-1].obj[0].showCenter = false;
+	
+	changeDrawMode();
+	draw.path[draw.path.length-1].selected = true;
+	draw.path[draw.path.length-1].trigger = [];	
+	redrawButtons();
+	updateBorder(draw.path.last());
+	drawCanvasPaths();
+}
+function ellipseDrawMove(e) {
+	//var x = draw.getRelMouseX(e), y = draw.getRelMouseY();
+	updateMouse(e);
+	var x = draw.mouse[0];
+	var y = draw.mouse[1];
+	draw.path[draw.path.length-1].obj[0].radiusX = Math.abs(x-draw.path[draw.path.length-1].obj[0].center[0]);
+	draw.path[draw.path.length-1].obj[0].radiusY = Math.abs(y-draw.path[draw.path.length-1].obj[0].center[1]);	
+
+	draw.path[draw.path.length-1].obj[0].showCenter = true;
+	//drawSelectedPaths();
+}
+function ellipseDrawStop(e) {
+	//removeListenerMove(window,ellipseDrawMove);
+	//removeListenerEnd(window,ellipseDrawStop);
+	draw.startX = null;
+	draw.startY = null;
+	draw.drawing = false;
+	
+	if (draw.gridSnap == true) {
+		draw.path[draw.path.length-1].obj[0].radiusX = roundToNearest(draw.path[draw.path.length-1].obj[0].radiusX,draw.gridSnapSize);
+		draw.path[draw.path.length-1].obj[0].radiusY = roundToNearest(draw.path[draw.path.length-1].obj[0].radiusY,draw.gridSnapSize);		
+	}
+
+	draw.path[draw.path.length-1].obj[0].showCenter = false;
+	
+	changeDrawMode();
+	draw.path[draw.path.length-1].selected = true;
+	draw.path[draw.path.length-1].trigger = [];	
+	redrawButtons();
+	updateBorder(draw.path.last());
+	drawCanvasPaths();		
+}
+/*draw.getRelMouseX = function(e) {
+	if (!un(e)) updateMouse(e);
+	var x = mouse.x - draw.drawRelPos[0] - draw.drawArea[0];
+	x = Math.max(x,0);
+	x = Math.min(x,draw.drawArea[2]);
+	return x;
+}
+draw.getRelMouseY = function(e) {
+	if (!un(e)) updateMouse(e);
+	var y = mouse.y - draw.drawRelPos[1] - draw.drawArea[1];
+	y = Math.max(y,0);
+	y = Math.min(y,draw.drawArea[3]);
+	return y;
+}*/
+
+/***************************/
+/* GENERAL OBJ INTERACTION */
+/***************************/
+
+draw.getPathOfObj = function(obj) {
+	if (!un(obj._path)) return obj._path;
+	for (var p = 0; p < draw.path.length; p++) {
+		var path = draw.path[p];
+		for (var o = 0; o < path.obj.length; o++) {
+			if (obj == path.obj[o]) return path;
+		}
+	}
+	return false;
+}
+draw.getPathById = function(id) {
+	if (!un(draw.ids.path[id])) return draw.ids.path[id];
+	for (var p = 0; p < draw.path.length; p++) {
+		if (draw.path[p].id == id) return draw.path[p];
+	}
+	for (var p = 0; p < draw.path.length; p++) {
+		for (var o = 0; o < draw.path[p].obj.length; o++) {
+			if (draw.path[p].obj[o].id === id) return draw.path[p].obj[o]._path;
+		}
+	}
+	return false;
+}
+draw.getObjById = function(id) {
+	if (!un(draw.ids.obj[id])) return draw.ids.obj[id];
+	for (var p = 0; p < draw.path.length; p++) {
+		for (var o = 0; o < draw.path[p].obj.length; o++) {
+			if (draw.path[p].obj[o].id === id) return draw.path[p].obj[o];
+		}
+	}
+	for (var p = 0; p < draw.path.length; p++) {
+		if (draw.path[p].id == id) return draw.path[p];
+	}
+	return false;
+}
+draw.getObjs = function(type) {
+	var objs = [];
+	for (var p = 0; p < draw.path.length; p++) {
+		for (var o = 0; o < draw.path[p].obj.length; o++) {
+			if (!un(type) && draw.path[p].obj[o].type !== type) continue;
+			objs.push(draw.path[p].obj[o]);
+		}
+	}
+	return objs;
+}
+draw.objs = function(func) {
+	/* apply a function to all objects
+	draw.objs(function(obj) {
+		if (!un(obj.interact) && !un(obj.interact.update)) obj.interact.update(obj);
+	});
+	*/
+	for (var p = 0; p < draw.path.length; p++) {
+		for (var o = 0; o < draw.path[p].obj.length; o++) {
+			func(draw.path[p].obj[o],draw.path[p]);
+		}
+	}
+}
+draw.ids = {
+	obj:{},
+	path:{},
+	update:function() {
+		draw.ids.obj = {};
+		draw.ids.path = {};
+		for (var p = 0; p < draw.path.length; p++) {
+			var path = draw.path[p];
+			if (!un(path.id)) {
+				if (!un(draw.ids.path[path.id])) {
+					console.log('paths with same id:',draw.ids.path[path.id],path);
+				} else {
+					draw.ids.path[path.id] = path;
+				}
+			}
+			for (var o2 = 0; o2 < path.obj.length; o2++) {
+				var obj = path.obj[o2];
+				if (!un(obj.id)) {
+					if (!un(draw.ids.obj[obj.id])) {
+						console.log('objs with same id:',draw.ids.obj[obj.id],obj);
+					} else {
+						draw.ids.obj[obj.id] = obj;
+					}
+				}
+			}
+		}
+	}
+};
+draw.interact = {
+	standardProperties: {
+		obj: [
+			{key:'disabled',value:true},
+			{key:'overlay',value:true},
+			{key:'click',value:function(obj) {}},
+			{key:'drag3d',value:false,condition:function(obj) {
+				return obj.type === 'three';
+			}},
+			{key:'cubeBuilding',value:'build',cycle:['build','remove'],condition:function(obj) {
+				return obj.type === 'three';
+			}},
+			{key:'edit3dShape',value:true,condition:function(obj) {
+				return obj.type === 'three';
+			}},
+		],
+		path: [
+			{key:'disabled',value:true},
+			{key:'draggable',value:true},
+			{key:'moveToFront',value:true,condition:function(path) {
+				var pathInteract = draw.getPathInteract(path);
+				return pathInteract.draggable === true;
+			}},
+			{key:'dragPathLineSegment',value:'id?'},
+			{key:'dragPathCircle',value:'id?'},
+			{key:'checkAllowDrag',value:function(path,pos) {},condition:function(path) {
+				var pathInteract = draw.getPathInteract(path);
+				return (pathInteract.draggable === true || !un(pathInteract.dragPathCircle) || !un(pathInteract.dragPathLineSegment));
+			}},
+			{key:'dragRect',value:[0,0,1200,1700],condition:function(path) {
+				var pathInteract = draw.getPathInteract(path);
+				return pathInteract.draggable === true;
+			}},
+			{key:'onDrop',value:function(dragAreaObj,dragPath) {},condition:function(path) {
+				var pathInteract = draw.getPathInteract(path);
+				return pathInteract.draggable === true;
+			}},
+			{key:'onUndrop',value:function(dragAreaObj,dragPath) {},condition:function(path) {
+				var pathInteract = draw.getPathInteract(path);
+				return pathInteract.draggable === true;
+			}},
+			{key:'onDragMove',value:function(path) {},condition:function(path) {
+				var pathInteract = draw.getPathInteract(path);
+				return (pathInteract.draggable === true || !un(pathInteract.dragPathCircle) || !un(pathInteract.dragPathLineSegment));
+			}},
+			{key:'type',value:'check',cycle:['check']},
+			{key:'update',value:function(path) {}}
+		]
+	},
+	appear: function() {
+		var path = draw.currCursor.path;
+		path._visible = !path._visible;
+		if (path._visible == true && !un(path.appear) && typeof path.appear.onappear == 'function') {
+			path.appear.onappear(path);
+		} 
+		if (path._visible == false && !un(path.appear) && typeof path.appear.ondisappear == 'function') {
+			path.appear.ondisappear(path);
+		} 
+		drawCanvasPaths();
+		drawSelectCanvas2();
+	},
+	buttons: {
+		textInput:{
+			drawButton: function(ctx,size) {
+				ctx.fillStyle = '#FFF';	
+				ctx.strokeStyle = '#000';
+				ctx.lineWidth = 2;
+				ctx.lineCap = 'round';
+				ctx.lineJoin = 'round';
+				ctx.beginPath();
+				ctx.fillRect(size*8/55,size*15/55,size*(55-16)/55,size*25/55);
+				ctx.strokeRect(size*8/55,size*15/55,size*(55-16)/55,size*25/55);
+				ctx.stroke();
+				text({context:ctx,left:size*8/55,width:size*(55-16)/55,top:size*15/55,textArray:['<<font:Georgia>><<fontSize:'+size*20/55+'>><<align:center>>I']});
+			},
+			click: function() {
+				var paths = selPaths();
+				var count = 0;
+				for (var p = 0; p < paths.length; p++) {
+					var path = paths[p];
+					for (var o = 0; o < path.obj.length; o++) {
+						var obj = path.obj[o];
+						if (typeof obj == 'undefined' || obj.type !== 'text2' || !un(obj.isInput)) continue;
+						obj.box = {type:"loose",borderColor:"#000",borderWidth:2,color:"#FFF"};
+						obj.align = [0,0];
+						path.isInput = {type:'text'};
+						obj.ansIndex = 0;
+						obj.ans = [];
+						count++;
+					}
+					updateBorder(path);
+				}
+				if (count == 0) {
+					Notifier.error('Select a text object');
+				} else {
+					drawCanvasPaths();
+				}
+			}
+		},
+		multiSelectTable:{
+			drawButton: function(ctx,size) {
+				ctx.strokeStyle = '#666';
+				ctx.lineWidth = 1;
+				ctx.fillStyle = '#FFF';
+				ctx.fillRect(10,11,35,33);
+				ctx.fillStyle = '#393';
+				ctx.fillRect(10+11*1,11+0*33/4,35/3,33/4);
+				ctx.fillRect(10+11*0,11+1*33/4,35/3,33/4);
+				ctx.fillRect(10+11*2,11+3*33/4,35/3,33/4);
+				ctx.beginPath();
+				for (var i = 0; i < 5; i++) {
+					ctx.moveTo(10,11+i*33/4);
+					ctx.lineTo(45,11+i*33/4);
+				}
+				for (var i = 0; i < 4; i++) {
+					ctx.moveTo(10+i*35/3,11);
+					ctx.lineTo(10+i*35/3,44);
+				}
+				ctx.stroke();
+				ctx.lineWidth = 1;
+				ctx.strokeStyle = '#000';
+				ctx.strokeRect(10,11,35,33);
+			},
+			click: function() {
+				var path = selPath();
+				if (path == false) {
+					Notifier.error('Select a table object');
+					return;
+				}
+				var obj = path.obj[0];
+				if (obj.type !== 'table2') {
+					Notifier.error('Select a table object');
+					return;
+				} else if (!un(obj.isInput)) {
+					return;
+				}
+				path.isInput = {type:'select',shuffle:true,multiSelect:true,checkSelectCount:false,selColors:['#CCF','#66F']};
+				obj.isInput = path.isInput;
+				updateBorder(path);
+				drawCanvasPaths();				
+			}
+		},
+		singleSelectTable:{
+			drawButton: function(ctx,size) {
+				ctx.strokeStyle = '#666';
+				ctx.lineWidth = 1;
+				ctx.fillStyle = '#FFF';
+				ctx.fillRect(10,11,35,33);
+				ctx.fillStyle = '#393';
+				ctx.fillRect(10,11,35/2,33/2);
+				ctx.beginPath();
+				for (var i = 0; i < 3; i++) {
+					ctx.moveTo(10,11+i*33/2);
+					ctx.lineTo(45,11+i*33/2);
+				}
+				for (var i = 0; i < 3; i++) {
+					ctx.moveTo(10+i*35/2,11);
+					ctx.lineTo(10+i*35/2,44);
+				}
+				ctx.stroke();
+				ctx.lineWidth = 1;
+				ctx.strokeStyle = '#000';
+				ctx.strokeRect(10,11,35,33);
+			},
+			click: function() {
+				var path = selPath();
+				if (path == false) {
+					Notifier.error('Select a table object');
+					return;
+				}
+				var obj = path.obj[0];
+				if (obj.type !== 'table2') {
+					Notifier.error('Select a table object');
+					return;
+				} else if (!un(obj.isInput)) {
+					return;
+				}
+				path.isInput = {type:'select',shuffle:true,multiSelect:false,checkSelectCount:true,selColors:['#CCF','#66F']};
+				obj.isInput = clone(path.isInput);
+				updateBorder(path);
+				drawCanvasPaths();
+			}		
+		},
+		tickCrossTableHoriz:{
+			drawButton: function(ctx,size) {
+				ctx.fillStyle = '#FFF';
+				ctx.fillRect(7.5,17.5,40,20);		
+				ctx.strokeStyle = '#000';
+				ctx.lineWidth = 1;
+				ctx.beginPath();
+				ctx.moveTo(27.5,17.5);
+				ctx.lineTo(27.5,37.5);
+				ctx.stroke();
+				ctx.strokeRect(7.5,17.5,40,20);					
+				drawTick(ctx,15,18,'#060',7.5+2.5,17.5+1,3);
+				drawCross(ctx,15,18,'#F00',27.5+2.5,17.5+1,3);
+			},
+			click: function() {
+				deselectAllPaths();
+					
+				var paths1 = {obj:[{type:"tick",rect:[155,125,40,50],lineWidth:10,lineColor:"#060"}]};
+				var paths2 = {obj:[{type:"cross",rect:[305,125,40,50],lineWidth:10,lineColor:"#F00"}]};
+				updateBorder(paths1);
+				updateBorder(paths2);
+				
+				var obj = {type:"table2",left:100,top:100,widths:[150,150],heights:[100],text:{font:"Arial",size:28,color:"#000"},outerBorder:{show:false},innerBorder:{show:false},cells:[[{text:[""],align:[0,0],box:{type:"loose",borderColor:"#000",borderWidth:5,radius:10,show:true},paths:[paths1],selColors:["none","#6F6"],ans:false},{text:[""],align:[0,0],box:{type:"loose",borderColor:"#000",borderWidth:5,radius:10,show:true},paths:[paths2],selColors:["none","#F66"],ans:false}]]};
+				
+				obj.xPos = [obj.left];
+				for (var i = 0; i < obj.widths.length; i++) obj.xPos.push(obj.xPos.last()+obj.widths[i]);
+				obj.yPos = [obj.top];
+				for (var i = 0; i < obj.heights.length; i++) obj.yPos.push(obj.yPos.last()+obj.heights[i]);
+								
+				draw.path.push({obj:[obj],selected:true,isInput:{type:'select',shuffle:true,multiSelect:false,checkSelectCount:true}});
+				updateBorder(draw.path.last());
+				drawCanvasPaths();
+			}
+		},
+		tickCrossTableVert:{
+			drawButton: function(ctx,size) {
+				ctx.fillStyle = '#FFF';
+				ctx.fillRect(17.5,7.5,20,40);		
+				ctx.strokeStyle = '#000';
+				ctx.lineWidth = 1;
+				ctx.beginPath();
+				ctx.moveTo(17.5,27.5);
+				ctx.lineTo(37.5,27.5);
+				ctx.stroke();
+				ctx.strokeRect(17.5,7.5,20,40);					
+				drawTick(ctx,15,18,'#060',17.5+2.5,7.5+1,3);
+				drawCross(ctx,15,18,'#F00',17.5+2.5,27.5+1,3);
+			},
+			click: function() {
+				deselectAllPaths();
+					
+				var paths1 = {obj:[{type:"tick",rect:[155,125,40,50],lineWidth:10,lineColor:"#060"}]};
+				var paths2 = {obj:[{type:"cross",rect:[305,125,40,50],lineWidth:10,lineColor:"#F00"}]};
+				updateBorder(paths1);
+				updateBorder(paths2);
+				
+				var obj = {type:"table2",left:100,top:100,widths:[100],heights:[100,100],text:{font:"Arial",size:28,color:"#000"},outerBorder:{show:false},innerBorder:{show:false},cells:[[{text:[""],align:[0,0],box:{type:"loose",borderColor:"#000",borderWidth:5,radius:10,show:true},paths:[paths1],selColors:["none","#6F6"],ans:false}],[{text:[""],align:[0,0],box:{type:"loose",borderColor:"#000",borderWidth:5,radius:10,show:true},paths:[paths2],selColors:["none","#F66"],ans:false}]]};
+				
+				obj.xPos = [obj.left];
+				for (var i = 0; i < obj.widths.length; i++) obj.xPos.push(obj.xPos.last()+obj.widths[i]);
+				obj.yPos = [obj.top];
+				for (var i = 0; i < obj.heights.length; i++) obj.yPos.push(obj.yPos.last()+obj.heights[i]);
+								
+				draw.path.push({obj:[obj],selected:true,isInput:{type:'select',shuffle:true,multiSelect:false,checkSelectCount:true}});
+				updateBorder(draw.path.last());
+				drawCanvasPaths();
+			}
+		},
+		drag:{
+			drawButton: function(ctx,size) {
+				drawArrow({ctx:ctx,startX:35,startY:35,finX:45,finY:45,lineWidth:2,arrowLength:8,fillArrow:true,color:'#000'});
+				text({ctx:ctx,text:['<<fontSize:13>><<bold:true>><<font:algebra>>12'],align:[0,0],rect:[10,10,25,25],box:{type:'loose',color:'#CCF',borderWidth:2,borderColor:'#000',radius:3}});
+			},
+			click: function() {
+				var paths = selPaths();
+				if (paths.length == 0) {
+					draw.path.push({obj:[{type:'text2',text:['<<fontSize:36>><<bold:true>>'],rect:[100,100,200,100]}],selected:true});
+					paths = [draw.path.last()];
+				}
+				for (var p = 0; p < paths.length; p++) {
+					if (!un(paths[p].isInput)) continue;
+					paths[p].isInput = {type:'drag',value:"",shuffle:true};
+					var obj = paths[p].obj[0];
+					if (obj.type == 'text2') {
+						var color = !un(obj.box) && !un(obj.box.color) ? obj.box.color : '#CFF';
+						obj.box = {type:'loose',borderWidth:4,borderColor:'#000',color:color,radius:8};
+						obj.align = [0,0];
+					}						
+					updateBorder(paths[p]);
+				}
+				drawCanvasPaths();
+			}
+		},
+		dragArea:{
+			drawButton: function(ctx,size) {
+				drawArrow({ctx:ctx,startX:10,startY:10,finX:19,finY:19,lineWidth:2,arrowLength:8,fillArrow:true,color:'#000'});
+				text({ctx:ctx,text:[''],align:[0,0],rect:[20,20,25,25],box:{type:'loose',color:'#FFF',borderWidth:4,borderColor:'#666',radius:3,dash:[5,5]}});
+			},
+			click: function() {
+				var paths = selPaths();
+				if (paths.length == 0) {
+					draw.path.push({obj:[{type:'text2',text:['<<fontSize:36>><<bold:true>>'],rect:[100,100,200,100]}],selected:true});
+					paths = [draw.path.last()];
+				}
+				for (var p = 0; p < paths.length; p++) {
+					if (!un(paths[p].isInput)) continue;
+					paths[p].isInput = {type:'dragArea',value:"",snap:false};
+					var obj = paths[p].obj[0];
+					if (obj.type == 'text2') {
+						var color = !un(obj.box) && !un(obj.box.color) ? obj.box.color : '#FFF';
+						obj.box = {type:'loose',borderWidth:4,borderColor:'#333',color:color,radius:8,dash:[15,10]};
+					}
+					updateBorder(paths[p]);
+				}
+				drawCanvasPaths();
+			}
+		},
+		addKeyboard:{
+			drawButton: function(ctx,size) {
+				roundedRect(ctx,3,3,49,49,8,6,'#000','#F0F');
+				roundedRect(ctx,2.5+9,2.5+9,8,8,3,2,'#000','#AFF');
+				roundedRect(ctx,2.5+21,2.5+9,8,8,3,2,'#000','#AFF');
+				roundedRect(ctx,2.5+33,2.5+9,8,8,3,2,'#000','#AFF');
+				roundedRect(ctx,2.5+9,2.5+21,8,8,3,2,'#000','#AFF');
+				roundedRect(ctx,2.5+21,2.5+21,8,8,3,2,'#000','#AFF');
+				roundedRect(ctx,2.5+33,2.5+21,8,8,3,2,'#000','#AFF');
+				roundedRect(ctx,2.5+9,2.5+33,8,8,3,2,'#000','#AFF');
+				roundedRect(ctx,2.5+21,2.5+33,8,8,3,2,'#000','#AFF');
+				roundedRect(ctx,2.5+33,2.5+33,8,8,3,2,'#000','#AFF');
+			},
+			click: function() {
+				/*if (!un(pages[pIndex].keyboard)) {
+					delete pages[pIndex].keyboard;
+					Notifier.info('Keyboard removed');
+				} else {
+					pages[pIndex].keyboard = {keyArray:[
+						['1','2','3'],
+						['4','5','6'],
+						['7','8','9'],
+						['-','0','delete']
+					]};
+					console.log(pages[pIndex].keyboard);
+					Notifier.info('Keyboard added');
+				}*/
+			}
+		},
+		checkButton:{
+			drawButton: function(ctx,size) {
+				roundedRect(ctx,3,10,49,35,8,6,'#000','#6F9');
+				text({context:ctx,left:size*8/55,width:size*(55-16)/55,top:size*15/55,textArray:['<<font:Hobo>><<fontSize:'+size*20/55+'>><<align:center>>Check']});
+			},
+			click: function() {
+				draw.path.push({obj:[{type:'text2',align:[0,0],text:['<<fontSize:36>><<font:Hobo>>Check Answer'],rect:[20,700-80,260,60],box:{type:'loose',color:'#6F9',borderColor:'#000',borderWidth:4,radius:10}}],selected:true,isInput:{type:'check'}});
+				updateBorder(draw.path.last());
+				drawCanvasPaths();
+			}
+		},
+		feedback:{
+			drawButton: function(ctx,size) {
+				text({context:ctx,left:size*8/55,width:size*(55-16)/55,top:size*15/55,textArray:['<<font:Hobo>><<fontSize:'+size*20/55+'>><<align:center>>Feedback']});
+			},
+			click: function() {
+				draw.path.push({obj:[{type:'feedback',rect:[300,700-80,880,60]}],selected:true});
+				updateBorder(draw.path.last());
+				drawCanvasPaths();
+			}
+		}
+	},
+	update: function() {
+		var changed = false;
+		draw.objs(function(obj) {
+			if (typeof obj !== 'object') return;
+			if (!un(obj.interact) && !un(obj.interact.update)) {
+				changed = true;
+				if (typeof obj.interact.update == 'function') {
+					obj.interact.update(obj);
+				} else if (obj.interact.update instanceof Array) {
+					for (var i = 0; i < obj.interact.update.length; i++) {
+						draw.interact.processFuncObject(obj,obj.interact.update[i]);
+					}
+				}
+			}
+		});
+		if (changed === true) drawCanvasPaths();
+	},
+	click: function() {
+		var obj = draw.currCursor.obj;
+		if (typeof obj.interact.click == 'function') {
+			if (obj.type === 'table2') {
+				var rows = obj.heights.length;
+				var cols = obj.widths.length;
+				var top = obj.top;
+				var row = 0;
+				for (var r = 0; r < rows; r++) {
+					if (draw.mouse[1] > top) row = r;
+					top += obj.heights[r];
+				}
+				var left = obj.left;
+				var col = 0;
+				for (var c = 0; c < cols; c++) {
+					if (draw.mouse[0] > left) col = c;
+					left += obj.widths[c];
+				}
+				var cell = obj.cells[row][col];
+				obj.interact.click(cell);
+			} else {
+				obj.interact.click(obj);
+			}
+			drawCanvasPaths();
+		} else if (obj.interact.click instanceof Array) {
+			for (var i = 0; i < obj.interact.click.length; i++) {
+				draw.interact.processFuncObject(obj,obj.interact.click[i]);
+			}
+			drawCanvasPaths();
+		}
+		draw.interact.update();
+	},
+	processFuncObject: function(obj,funcObject) {
+		// get object to act upon
+		var obj2 = un(funcObject.id) || funcObject.id == 'self' ? obj : draw.getObjById(funcObject.id);
+		
+		// get property object
+		var property = draw.interact.getPropertyObject(obj2,funcObject.property);
+		if (typeof property !== 'object') return;
+		
+		// get value
+		if (!un(funcObject.value)) {
+			var value = funcObject.value;
+		} else if (!un(funcObject.condition)) {
+			var conditionObj = un(funcObject.condition.id) || funcObject.condition.id == 'self' ? obj2 : draw.getObjById(funcObject.condition.id);
+			var conditionProperty = draw.interact.getPropertyObject(conditionObj,funcObject.condition.property);
+			var conditionValue = conditionProperty.get(conditionObj);
+			var value = funcObject.condition.default;
+			for (var v = 0; v < funcObject.condition.value.length; v++) {
+				if (funcObject.condition.value[v][0] == conditionValue) {
+					value = funcObject.condition.value[v][1];
+					break;
+				}
+			}
+		}
+		
+		// apply change
+		if (!un(value)) {
+			property.set(obj2,value);
+		} else if (property.type instanceof Array) {
+			property.cycle(obj2);
+		} else if (property.type == 'boolean') {
+			property.set(obj2,!property.get(obj2));
+		} else if (property.type == 'number') {
+			if (!un(funcObject.increment)) {
+				property.increment(obj2,funcObject.increment);
+			}
+		} else if (property.type == 'color') {
+			
+		}
+	},
+	getPropertyObject: function(obj,property) {
+		if (!un(draw.obj.properties[property])) {
+			return draw.obj.properties[property];
+		} else if (!un(draw[obj.type].properties) && !un(draw[obj.type].properties[property])) {
+			return draw[obj.type].properties[property];
+		}
+		return null;
+	},
+	dragReset: function(path) {
+		if (un(path._initialPos)) return;
+		positionPath(path,path._initialPos[0],path._initialPos[1]);
+		if (!un(path.interact) && !un(path.interact._dragAreaHit)) {
+			var dragAreaHit = path.interact._dragAreaHit;
+			delete path.interact._dragAreaHit;
+			delete dragAreaHit.obj.interact._dragHit;
+			if (typeof dragAreaHit.obj.interact.onUndrop === 'function') {
+				dragAreaHit.obj.interact.onUndrop(dragAreaHit.obj,path);
+			}
+		}
+	},
+	dragResetAll: function() {
+		for (var p = 0; p < draw.path.length; p++) {
+			var path = draw.path[p];
+			draw.interact.dragReset(path);
+		}
+	},
+	dragStart: function(e) {
+		updateMouse(e);
+		changeDrawMode('selectDrag');
+		draw.drag = draw.currCursor;
+		var path = draw.drag.path;
+		draw.drag.path._interacting = true;
+		if (path.interact.moveToFront == true) {
+			//draw.qTable.updateAllPaths();
+			var index = draw.path.indexOf(path);
+			draw.path.splice(index,1);
+			draw.path.push(path);
+		}
+		if (un(path.tightBorder)) updateBorder(path);
+		if (un(path._initialPos) && !un(path.tightBorder)) {
+			path._initialPos = [path.tightBorder[0],path.tightBorder[1]];
+		}
+		draw.drag.offset = [draw.mouse[0]-path.tightBorder[0],draw.mouse[1]-path.tightBorder[1]];
+		draw.drag.startMouse = [draw.mouse[0],draw.mouse[1]];
+		draw.drag.startPos = [path.tightBorder[0],path.tightBorder[1]];
+		addListenerMove(window,draw.interact.dragMove);
+		addListenerEnd(window,draw.interact.dragStop);
+		draw.cursorCanvas.style.cursor = draw.cursors.move2;
+		draw.drag.dragAreas = [];
+		draw.objs(function(obj) {
+			if (!un(obj.interact) && (obj.interact.type == 'dragArea' || obj.interact.dragArea == true)) {
+				process(obj.interact);
+			} else if (!un(obj.isInput) && (obj.isInput.type == 'dragArea' || obj.isInput.dragArea == true)) {
+				process(obj.isInput);
+			}
+			function process(interact) {
+				if (!un(interact._dragHit)) {
+					if (interact._dragHit == draw.drag.path) {
+						delete interact._dragHit;
+						if (typeof interact.onUndrop == 'function') {
+							interact.onUndrop(obj,draw.drag.path);
+						}
+					} else {
+						return;
+					}
+				}
+				var snap = boolean(interact.snap,false);
+				var rect = obj.rect;
+				var center = [rect[0]+0.5*rect[2],rect[1]+0.5*rect[3]];
+				draw.drag.dragAreas.push({rect:rect,center:center,snap:snap,obj:obj});
+			}
+		});
+		draw.selectedCanvas = draw.drawCanvas[1];
+		if (!un(path.interact) && typeof path.interact.onDragStart == 'function') {
+			path.interact.onDragStart(path);
+		}
+		drawCanvasPaths();
+	},
+	dragMove: function(e) {
+		updateMouse(e);
+		var path = draw.drag.path;
+		var obj = draw.drag.obj || draw.drag.path.obj[0];
+		if (draw.drag.dragType == 'circle') {
+			var p = draw.drag.path;
+			var circle = draw.drag.circle;
+			if (!un(circle.interact) && typeof circle.interact.checkAllowDrag == 'function' && circle.interact.checkAllowDrag(circle,obj,draw.mouse) == false) return;
+			var c = draw.drag.center;
+			var r = draw.drag.radius;
+			var a = getAngleFromAToB(c,[draw.mouse[0],draw.mouse[1]]);
+			var pos = [c[0]+r*Math.cos(a),c[1]+r*Math.sin(a)];
+			var dx = pos[0]-(p.border[0]+0.5*p.border[2]);
+			var dy = pos[1]-(p.border[1]+0.5*p.border[3]);
+			repositionPath(p,dx,dy);
+			drawSelectedPaths();
+		} else if (draw.drag.dragType == 'lineSegment') {
+			var p = draw.drag.path;
+			var pos = closestPointOnLineSegment([draw.mouse[0],draw.mouse[1]],draw.drag.lineSegment.startPos,draw.drag.lineSegment.finPos);
+			var dx = pos[0]-(p.border[0]+0.5*p.border[2]);
+			var dy = pos[1]-(p.border[1]+0.5*p.border[3]);
+			repositionPath(p,dx,dy);
+			drawSelectedPaths();
+		} else {
+			var path = draw.drag.path;
+			if (!un(obj.interact) && typeof obj.interact.checkAllowDrag == 'function' && obj.interact.checkAllowDrag(obj,pos) == false) return;
+			if (!un(path.interact) && typeof path.interact.checkAllowDrag == 'function' && path.interact.checkAllowDrag(path,pos) == false) return;
+			
+			var pos2 = clone(draw.mouse);
+			pos2[0] -= draw.drag.offset[0];
+			pos2[1] -= draw.drag.offset[1];
+			
+			if (!un(path.interact) && !un(path.interact.dragRect)) {
+				var dragRect = path.interact.dragRect;
+				pos2[0] = Math.max(pos2[0],dragRect[0]);
+				pos2[0] = Math.min(pos2[0],dragRect[0]+dragRect[2]-path.tightBorder[2]);
+				pos2[1] = Math.max(pos2[1],dragRect[1]);
+				pos2[1] = Math.min(pos2[1],dragRect[1]+dragRect[3]-path.tightBorder[3])
+			} else {
+				pos2[0] = Math.max(pos2[0],draw.drawArea[0]);
+				pos2[0] = Math.min(pos2[0],draw.drawArea[0]+draw.drawArea[2]-path.tightBorder[2]);
+				pos2[1] = Math.max(pos2[1],draw.drawArea[1]);
+				pos2[1] = Math.min(pos2[1],draw.drawArea[1]+draw.drawArea[3]-path.tightBorder[3])
+			}
+			var posRel = [pos2[0]-draw.drag.startPos[0],pos2[1]-draw.drag.startPos[1]];
+			resizeCanvas2(draw.selectedCanvas,(posRel[0]+draw.drawRelPos[0])*draw.scale,(posRel[1]+draw.drawRelPos[1])*draw.scale);
+			
+			path._dragPos = [pos2[0],pos2[1]];
+			
+			//repositionPath(path,pos[0]-path.tightBorder[0],pos[1]-path.tightBorder[1]);
+			updateBorder(path);
+			
+			var pos4 = [path._dragPos[0]+0.5*path.tightBorder[2],path._dragPos[1]+0.5*path.tightBorder[3]]; // centre of dragObj
+			delete draw.drag.path.interact._dragAreaHit;
+			for (d = 0; d < draw.drag.dragAreas.length; d++) {
+				var dragArea = draw.drag.dragAreas[d];
+				if (dist(pos4[0],pos4[1],dragArea.center[0],dragArea.center[1]) < 40) {
+					draw.drag.path.interact._dragAreaHit = dragArea;
+					dragArea.obj.interact._dragHit = draw.drag.path;
+					if (dragArea.snap === true) {
+						var path2 = draw.getPathOfObj(dragArea.obj);
+						var border2 = path2.tightBorder;
+						var pos3 = [border2[0]+0.5*border2[2],border2[1]+0.5*border2[3]]; // center of dragArea
+						var posNew = [pos3[0]-0.5*path.tightBorder[2],pos3[1]-0.5*path.tightBorder[3]];
+						var posRel = [posNew[0]-draw.drag.startPos[0],posNew[1]-draw.drag.startPos[1]];
+						resizeCanvas2(draw.selectedCanvas,(posRel[0]+draw.drawRelPos[0])*draw.scale,(posRel[1]+draw.drawRelPos[1])*draw.scale);
+						path._dragPos = [posNew[0],posNew[1]];
+					}
+					if (typeof dragArea.obj.interact.onDrop == 'function') {
+						dragArea.obj.interact.onDrop(dragArea.obj,draw.drag.path);
+					}
+				} else if (dragArea.obj.interact._dragHit == draw.drag.path) {
+					delete dragArea.obj.interact._dragHit;
+					delete draw.drag.path.interact._dragAreaHit;
+					if (typeof dragArea.obj.interact.onUndrop == 'function') {
+						dragArea.obj.interact.onUndrop(dragArea.obj,draw.drag.path);
+					}
+				}
+			}
+		}
+		if (!un(path.interact) && typeof path.interact.onDragMove == 'function') {
+			path.interact.onDragMove(path);
+		}
+		if (!un(obj.interact) && typeof obj.interact.onDragMove == 'function') {
+			obj.interact.onDragMove(obj);
+		}
+		draw.interact.update();
+	},
+	dragStop: function(e) {
+		changeDrawMode();
+		calcCursorPositions();
+		var path = draw.drag.path;
+		delete path._interacting;
+		delete path.interact._match;
+		if (!un(path.interact._dragAreaHit) && !un(path.interact._dragAreaHit.obj) && !un(path.interact._dragAreaHit.obj.interact) && !un(path.interact._dragAreaHit.obj.interact.value)) {
+			if (path.interact._dragAreaHit.obj.interact.value == path.interact.value) {
+				path.interact._match = true;
+			}
+		}
+		delete draw.drag;
+		resizeCanvas2(draw.selectedCanvas,draw.drawRelPos[0],draw.drawRelPos[1]);
+		if (!un(path._dragPos)) positionPath(path,path._dragPos[0],path._dragPos[1]);
+		delete draw.selectedCanvas;
+		delete path._dragPos;
+		delete draw.selectedCanvases;
+		draw.interact.update();
+		drawCanvasPaths();
+		removeListenerMove(window,draw.interact.dragMove);
+		removeListenerEnd(window,draw.interact.dragStop);
+		if (!un(path.interact) && typeof path.interact.onDragStop == 'function') {
+			path.interact.onDragStop(path);
+		}
+
+		draw.cursorCanvas.style.cursor = draw.cursors.move1;
+	},
+	animation:false,
+	startAnimation: function(func) {
+		draw.interact._frame = -1;
+		draw.interact._func = func;
+		draw.interact.animation = true;
+		window.requestAnimationFrame(draw.interact.animationStep);
+	},
+	stopAnimation: function() {
+		draw.interact.animation = false;
+	},
+	animationStep: function() {
+		if (draw.interact.animation == false) {
+			delete draw.interact._frame;
+			delete draw.interact._func;
+			return;
+		}
+		draw.interact._frame++;
+		var nextFrame = draw.interact._func(draw.interact._frame);
+		drawCanvasPaths();
+		if (nextFrame == false) {
+			delete draw.interact._frame;
+			delete draw.interact._func;
+			draw.interact.animation = false;
+		} else {
+			window.requestAnimationFrame(draw.interact.animationStep);
+		}
+	},
+	setFeedback: function(feedback,color) {
+		for (var p = 0; p < draw.path.length; p++) {
+			var path = draw.path[p];
+			for (var o = 0; o < path.obj.length; o++) {
+				var obj = path.obj[o];
+				if (obj.type == 'feedback') {
+					obj._feedback = feedback;
+					obj._color = color;
+				}
+			}
+		}
+		drawCanvasPaths();
+	},
+	clearFeedback: function(feedback,color) {
+		for (var p = 0; p < draw.path.length; p++) {
+			var path = draw.path[p];
+			for (var o = 0; o < path.obj.length; o++) {
+				var obj = path.obj[o];
+				if (obj.type == 'feedback') {
+					delete obj._feedback;
+					delete obj._color;
+				}
+			}
+		}
+		drawCanvasPaths();
+	},
+	checkPage: function(setFeedback) {
+		var inputs = [];
+		
+		var dragCheckMode = 'none';
+		var dragCanvasCount = 0;
+		var dragAreaCount = 0;
+		var dragSnapAreaCount = 0;
+		for (var p = 0; p < draw.path.length; p++) {
+			var path = draw.path[p];
+			if (un(path.isInput)) continue;
+			if (path.isInput.type == 'drag') {
+				dragCanvasCount++;
+			} else if (path.isInput.type == 'dragArea') {
+				if (path.isInput.snap == true) {
+					dragSnapAreaCount++;
+				} else {
+					dragAreaCount++;
+				}
+			}
+		}
+		if (dragCanvasCount > 0) {
+			if (dragSnapAreaCount > 0) {
+				dragCheckMode = 'dragArea';
+			} else {
+				dragCheckMode = 'dragCanvas';
+			}
+		}		
+
+		for (var p = 0; p < draw.path.length; p++) {
+			var path = draw.path[p];
+			if (un(path.isInput)) continue;
+			if (path.isInput.type == 'text') {
+				inputs.push({type:'text',path:path});
+			} else if (path.isInput.type == 'drag' && dragCheckMode == 'dragCanvas') {
+				inputs.push({type:'drag',path:path});
+			} else if (path.isInput.type == 'dragArea' && dragCheckMode == 'dragArea') {
+				inputs.push({type:'dragArea',path:path});
+			} else if (path.isInput.type == 'select') {
+				inputs.push({type:'select',path:path});
+			}
+		}
+		
+		var checkVars = {check:true,a:[],qs:inputs.length};
+		var correct = 0;
+		var max = inputs.length;
+		
+		for (var q = 0; q < max; q++) {
+			var input = inputs[q];		
+			if (input.type == 'text') {
+				
+			} else if (input.type == 'select') {
+				
+			} else if (input.type == 'drag') {
+				var check = true;
+				if (un(input.path._dragAreaHit)) {
+					checkVars.check = false;
+					checkVars.fb = "You need to drag all the boxes into position.";
+				} else if (input.path._dragHit._match !== true) {
+					check = false;
+				}
+				if (check == true) correct++;
+				checkVars.a[q] = {type:'dragArea',check:check};
+			} else if (input.type == 'dragArea') {
+				var check = true;
+				if (un(input.path._dragHit)) {
+					checkVars.check = false;
+					checkVars.fb = "You need to drag boxes into all the positions.";
+				} else if (input.path._dragHit._match !== true) {
+					check = false;
+				}
+				if (check == true) correct++;
+				checkVars.a[q] = {type:'dragArea',check:check};
+			}
+		}
+		
+		/*if (drags.length > 0) {
+			if (dragSnapAreaCount > 0) { // check by dragArea
+				for (var i = 0; i < dragAreas.length; i++) {
+					var dragArea = dragAreas[i];
+					console.log(dragArea);
+					if (un(dragArea._dragHit) || dragArea._dragHit._match !== true) {
+						errorCount++;
+					}
+				}
+			} else { // check by drags
+				for (var i = 0; i < drags.length; i++) {
+					var drag = drags[i];
+					console.log(drag);
+					if (drag._match !== true) {
+						errorCount++;
+					}
+				}
+			}
+		}*/
+		
+		if (!un(checkVars.fb)) {
+			var feedback = checkVars.fb;
+			var color = '#C60';
+		} else {
+			var wrong = max-correct;
+			if (wrong == 1) {
+				var feedback = '1 answer is incorrect.';
+				var color = '#C60';
+			} else if (wrong > 1) {
+				var feedback = wrong+' answers are incorrect.';
+				var color = '#C60';
+			} else {
+				var feedback = 'All correct! Well done.';
+				var color = '#060';
+			}
+		}
+		if (boolean(setFeedback,true) == true) draw.interact.setFeedback(feedback,color);
+		return checkVars;
+	}
+};
+draw.obj = {
+	properties:{
+		visible:{
+			type:'boolean',
+			get: function(obj) {
+				return boolean(obj.visible,true);
+			},
+			set: function(obj,value) {
+				obj.visible = value;
+			}
+		}
+	}
+};
+function o(id) {
+	return draw.getObjById(id);
+}
+draw.objsOfType = function(type) {
+	for (var p = 0; p < draw.path.length; p++) {
+		var path = draw.path[p];
+		var found = false;
+		for (var o = 0; o < path.obj.length; o++) {
+			var obj = path.obj[o];
+			if (obj.type == type) {
+				console.log(obj);
+				found = true;
+			}
+		}
+		path.selected = found;
+	}
+	drawCanvasPaths();
+}
+draw.animate = function(onmove,onend,onframe) {
+	if (!un(draw._animation) && !un(draw._animation.stop)) draw._animation.stop();
+	if (un(onmove)) onmove = function() {};
+	if (un(onend)) onend = function() {};
+	if (un(onframe)) onframe = drawSelectedPaths;
+	draw._animation = {
+		onmove:onmove,
+		onframe:onframe,
+		onend:onend
+	};
+	draw._animation.frame = function() {
+		draw._animation.onframe();
+		draw._animation.frameID = window.requestAnimationFrame(draw._animation.frame);
+	}
+	draw._animation.stop = function(e) {
+		if (un(draw._animation)) return;
+		if (!un(e)) e.stopPropagation();
+		draw._animation.onend(e);
+		draw._animation.onframe();
+		window.cancelAnimationFrame(draw._animation.frameID);
+		document.removeEventListener("touchmove", draw._animation.onmove);
+		document.removeEventListener("mousemove", draw._animation.onmove);
+		document.removeEventListener("touchend", draw._animation.stop);
+		document.removeEventListener("mouseup", draw._animation.stop);
+		delete draw._animation;
+		if (draw.mode === 'edit' && !un(draw.contextMenu)) draw.contextMenu.update();		
+	}
+	document.addEventListener("touchmove", draw._animation.onmove, false);
+	document.addEventListener("mousemove", draw._animation.onmove, false);
+	document.addEventListener("touchend", draw._animation.stop, true);
+	document.addEventListener("mouseup", draw._animation.stop, true);
+	
+	draw._animation.frameID = window.requestAnimationFrame(draw._animation.frame);
+}
+
+draw.togglePathDraggable = function() {
+	var path = draw.currCursor.path;
+	if (un(path.interact)) path.interact = {};
+	path.interact.draggable = !path.interact.draggable;
+	updateBorder(path);
+	drawSelectCanvas();
+}
+
+function drawClickSelect() {
+	cursorPosHighlight(true);
+	var pathNum = draw.currCursor.pathNum;	
+	if (!shiftOn) deselectAllPaths(false);
+	draw.path[pathNum].selected = !draw.path[pathNum].selected;
+	draw.controlPanel.clear();
+	calcCursorPositions();
+	drawCanvasPaths();
+};
+function drawClickStartSelectRect() {
+	if (shiftOn == false) {
+		deselectAllPaths(true);
+	} else {
+		for (var i = 0; i < draw.path.length; i++) {
+			var path = draw.path[i];
+			if (getPathVis(path) && path.selected == true) {
+				path._preSelected = true;
+			}
+		}
+	}
+	draw.startX = draw.mouse[0];
+	draw.startY = draw.mouse[1];
+	changeDrawMode('selectRect');
+	draw.selectRect = [draw.mouse[0],draw.mouse[1],0,0];
+	//addListenerMove(window,selectRectMove);
+	//addListenerEnd(window,selectRectStop);
+	draw.animate(selectRectMove,selectRectStop,drawSelectCanvas);
+};
+function selectRectMove(e) {
+	updateMouse(e);
+	var x = draw.mouse[0];
+	var y = draw.mouse[1];
+	draw.selectRect[2] = x - draw.startX;
+	draw.selectRect[3] = y - draw.startY;	
+
+	if (draw.selectRect[0] < x) {
+		var selectLeft = draw.selectRect[0];
+		var selectRight = x;		
+	} else {
+		var selectLeft = x;
+		var selectRight = draw.selectRect[0];		
+	}
+	
+	if (draw.selectRect[1] < y) {
+		var selectTop = draw.selectRect[1];
+		var selectBottom = y;		
+	} else {
+		var selectTop = y;
+		var selectBottom = draw.selectRect[1];		
+	}
+
+	for (var i = 0; i < draw.path.length; i++) {
+		var path = draw.path[i];
+		//if (un(path.border)) continue;
+		//if (getPathVis(path) && path.border[0] >= selectLeft && path.border[4] <= selectRight && path.border[1] >= selectTop && path.border[5] <= selectBottom) {
+		if (un(path._center)) continue;
+		if (path._preSelected == true) continue;
+		if (getPathVis(path) && path._center[0] >= selectLeft && path._center[0] <= selectRight && path._center[1] >= selectTop && path._center[1] <= selectBottom) {
+			path.selected = true;
+		} else {
+			path.selected = false;
+		}
+	}
+	//drawSelectCanvas();		
+	//drawSelectCanvas2();
+}
+function selectRectStop(e) {
+	changeDrawMode();
+	for (var p = 0; p < draw.path.length; p++) {
+		delete draw.path[p]._preSelected;
+		if (draw.path[p].selected == true) {
+			drawCanvasPaths();
+			break;
+		}
+	}
+	drawSelectCanvas2();
+	draw.startX = null;
+	draw.startY = null;	
+	//removeListenerMove(window,selectRectMove);
+	//removeListenerEnd(window,selectRectStop);
+}
+
+function drawClickStartZoomRect() {
+	draw.startX = draw.mouse[0];
+	draw.startY = draw.mouse[1];
+	changeDrawMode('zoomRect');
+	draw.zoomRect = [draw.mouse[0],draw.mouse[1],0,0];
+	//addListenerMove(window,zoomRectMove);
+	//addListenerEnd(window,zoomRectStop);
+	draw.animate(zoomRectMove,zoomRectStop,drawSelectCanvas2);
+};
+function zoomRectMove(e) {
+	updateMouse(e);
+	var x = draw.mouse[0];
+	var y = draw.mouse[1];
+	draw.zoomRect[2] = x - draw.startX;
+	draw.zoomRect[3] = y - draw.startY;	
+	//drawSelectCanvas2();
+}
+function zoomRectStop(e) {
+	changeDrawMode();
+	setZoomRect(draw.zoomRect);
+	drawSelectCanvas2();
+	//removeListenerMove(window,zoomRectMove);
+	//removeListenerEnd(window,zoomRectStop);
+}
+function changeDrawScale(scale) {
+	if (un(scale)) scale = 1;
+	draw.scale = scale;
+	var canvases = clone(draw.drawCanvas);
+	canvases.push(draw.cursorCanvas);
+	canvases.push(draw.toolsCanvas);
+	/*var w = Math.max(draw.drawArea[2],draw.drawArea[2]*draw.scale);
+	var h = Math.max(draw.drawArea[3],draw.drawArea[3]*draw.scale);
+	//console.log(w,h);
+	for (var c = 0; c < canvases.length; c++) {
+		var canvas = canvases[c];
+		resizeCanvas3(canvas,undefined,undefined,w,h);
+	}*/
+	drawCanvasPaths();
+	drawToolsCanvas();
+}
+function setZoomRect(rect) {
+	//console.log(rect);
+	var xScale = 1200 / rect[2];
+	var yScale = 700 / rect[3];
+	var scale = Math.min(xScale,yScale);
+	var xOffset = (1200 - scale*rect[2])/2;
+	var yOffset = (700 - scale*rect[3])/2;
+	//console.log(xScale,yScale,scale);
+	//console.log(xOffset,yOffset);
+	//console.log(-rect[0]*scale,-rect[1]*scale);
+	changeDrawScale(scale);
+	changeDrawRelPos(-rect[0]*scale,-rect[1]*scale);
+	
+	/*
+	if (rect[2]/rect[3] > 12/7) {
+		var w = 1200;
+		var h = w * (rect[3]/rect[2]); 
+	} else {
+		var h = 700;
+		var w = h * (rect[2]/rect[3]);
+	}
+	var rect2 = [(1200-w)/2,(700-h)/2,w,h];
+	var sf = rect2[2] / rect[2];
+	*/
+	
+	/*
+	var ctx = draw.cursorCanvas.ctx;
+	ctx.scale(draw.scale,draw.scale);
+	ctx.clear();
+	ctx.fillStyle = colorA('#000',0.75);
+	ctx.fillRect(0,0,ctx.data[102],ctx.data[103]);
+	ctx.clearRect(rect[0],rect[1],rect[2],rect[3]);
+	ctx.setTransform(1,0,0,1,0,0);
+	*/
+}
+
+function drawClickStartDragObject() {
+	changeDrawMode('selectDrag');
+	draw.undo.saveState();	
+	cursorPosHighlight(true);
+	draw.cursorCanvas.style.cursor = draw.cursors.move2;
+	draw.startDragX = draw.mouse[0];
+	draw.startDragY = draw.mouse[1];
+	draw.selectedCanvases = [];
+	draw.selectedPaths = getSelectedPaths();
+	draw.selPaths = selPaths();
+	//draw.selectedPathNums = selPathNums();
+	draw.selectedCanvases.push(draw.drawCanvas[1],draw.drawCanvas[draw.drawCanvas.length-1]);
+	
+	if (!un(draw.gridMenu) && draw.gridMenu.showing == true) {
+		draw.prevX = mouse.x;
+		draw.prevY = mouse.y;
+	}
+	draw.dragX = draw.mouse[0];
+	draw.dragY = draw.mouse[1];
+	draw.prev = clone(draw.mouse);
+	draw.dragSnapped = false;
+	draw.dragOffsetX = draw.mouse[0] - draw.path[draw.selectedPaths[0]].tightBorder[0];
+	draw.dragOffsetY = draw.mouse[1] - draw.path[draw.selectedPaths[0]].tightBorder[1];
+	addListenerMove(window,selectDragMove);
+	addListenerEnd(window,selectDragStop);
+};
+function selectDragMove(e) {
+	updateMouse(e);
+	var paths = draw.selPaths;
+	if (altOn == true && paths.length == 1 && paths[0].obj.length == 1) {
+		var obj = paths[0].obj[0];
+		if (!un(draw[obj.type]) && !un(draw[obj.type].altDragMove)) {
+			var dx = draw.mouse[0] - draw.prev[0];
+			var dy = draw.mouse[1] - draw.prev[1];
+			draw[obj.type].altDragMove(obj,dx,dy);
+			drawSelectedPaths();
+			updateBorder(paths[0]);
+			drawSelectCanvas();
+			draw.prev = clone(draw.mouse);
+			return;
+		}
+	}
+	//var x = mouse.x + draw.drawRelPos[0] + draw.drawArea[0] - draw.startDragX;
+	//var y = mouse.y + draw.drawRelPos[1] + draw.drawArea[1] - draw.startDragY;
+	var x = draw.mouse[0] - draw.startDragX;
+	var y = draw.mouse[1] - draw.startDragY;
+	draw.dragSnapped = false;
+	if (snapToObj2On) {
+		var obj = sel();
+		if (obj.type == 'circle' || obj.type == 'point') {
+			/*var x2 = x + obj.center[0] - draw.drawRelPos[0];
+			var y2 = y + obj.center[1] - draw.drawRelPos[1];
+			var snapPos = snapToObj2([x2,y2]);
+			x = snapPos[0] - obj.center[0] + draw.drawRelPos[0];
+			y = snapPos[1] - obj.center[1] + draw.drawRelPos[1];
+			*/
+			var pos2 = drawPosToCanvasPos([x+obj.center[0],y+obj.center[1]]);
+			var snapPos = snapToObj2(pos2);
+			snapPos = canvasPosToDrawPos([snapPos[0]-obj.center[0],snapPos[1]-obj.center[1]]);
+			x = snapPos[0];
+			y = snapPos[1];
+			draw.dragSnapped = true;
+		} else if (obj.type == 'text2') {
+			var xLeft = obj.rect[0]+x-draw.drawRelPos[0];
+			var xCenter = obj.rect[0]+0.5*obj.rect[2]+x-draw.drawRelPos[0];
+			var xRight = obj.rect[0]+obj.rect[2]+x-draw.drawRelPos[0];
+			var yTop = obj.rect[1]+y-draw.drawRelPos[1];
+			var yMiddle = obj.rect[1]+0.5*obj.rect[3]+y-draw.drawRelPos[1];
+			var yBottom = obj.rect[1]+obj.rect[3]+y-draw.drawRelPos[1];
+			var found = false;
+			if (un(draw.savedTextAlign)) {
+				draw.savedTextArray = clone(obj.text);
+				draw.savedTextAlign = clone(obj.align);
+			}
+			for (var p = 0; p < draw.path.length; p++) {
+				if (found == true) break;
+				var path2 = draw.path[p];
+				for (var o = 0; o < path2.obj.length; o++) {
+					if (found == true) break;
+					var obj2 = path2.obj[o];
+					if (obj2.type == 'table2') {
+						var x2 = obj2.left;
+						var y2 = obj2.top;
+						var xFound = yFound = false;
+						for (var w = 0; w < obj2.widths.length; w++) {
+							var width = obj2.widths[w];
+							if (Math.abs(x2+(width/2)-xCenter) < draw.snapTolerance) {
+								x2 += width/2;
+								xFound = true;
+								break;
+							} else {
+								x2 += width;
+							}
+						}
+						if (xFound == true) {
+							for (var h = 0; h < obj2.heights.length; h++) {
+								var height = obj2.heights[h];
+								if (Math.abs(y2+(height/2)-yMiddle) < draw.snapTolerance) {
+									y2 += height/2;
+									yFound = true;
+									break;
+								} else {
+									y2 += height;
+								}
+							}
+						}
+						if (xFound == true && yFound == true) {
+							x += x2 - xCenter;
+							y += y2 - yMiddle;
+							found = true;
+							obj.align = [0,0];
+							break;
+						}
+					}
+					if (un(obj2._textSnapPos)) continue;
+					for (var q = 0; q < obj2._textSnapPos.length; q++) {
+						if (found == true) break;
+						var pos = obj2._textSnapPos[q];
+						if (arraysEqual(pos.align,[-1,0])) {
+							if (dist(pos.pos[0],pos.pos[1],xLeft,yMiddle) < draw.snapTolerance) {
+								x += pos.pos[0] - xLeft;
+								y += pos.pos[1] - yMiddle;
+								obj.align = [-1,0];
+								found = true;
+								break;
+							}
+						} else if (arraysEqual(pos.align,[-1,-1])) {
+							if (dist(pos.pos[0],pos.pos[1],xLeft,yTop) < draw.snapTolerance) {
+								x += pos.pos[0] - xLeft;
+								y += pos.pos[1] - yTop;
+								found = true;
+								obj.align = [-1,-1];
+								break;
+							}
+						} else if (arraysEqual(pos.align,[0,-1])) {
+							if (dist(pos.pos[0],pos.pos[1],xCenter,yTop) < draw.snapTolerance) {
+								x += pos.pos[0] - xCenter;
+								y += pos.pos[1] - yTop;
+								found = true;
+								obj.align = [0,-1];
+								break;
+							}
+						} else if (arraysEqual(pos.align,[1,-1])) {
+							if (dist(pos.pos[0],pos.pos[1],xRight,yTop) < draw.snapTolerance) {
+								x += pos.pos[0] - xRight;
+								y += pos.pos[1] - yTop;
+								found = true;
+								obj.align = [1,-1];
+								break;
+							}
+						} else if (arraysEqual(pos.align,[1,0])) {
+							if (dist(pos.pos[0],pos.pos[1],xRight,yMiddle) < draw.snapTolerance) {
+								x += pos.pos[0] - xRight;
+								y += pos.pos[1] - yMiddle;
+								found = true;
+								obj.align = [1,0];
+								break;
+							}
+						} else if (arraysEqual(pos.align,[1,1])) {
+							if (dist(pos.pos[0],pos.pos[1],xRight,yBottom) < draw.snapTolerance) {
+								x += pos.pos[0] - xRight;
+								y += pos.pos[1] - yBottom;
+								found = true;
+								obj.align = [1,1];
+								break;
+							}
+						} else if (arraysEqual(pos.align,[0,1])) {
+							if (dist(pos.pos[0],pos.pos[1],xCenter,yBottom) < draw.snapTolerance) {
+								x += pos.pos[0] - xCenter;
+								y += pos.pos[1] - yBottom;
+								found = true;
+								obj.align = [0,1];
+								break;
+							}
+						} else if (arraysEqual(pos.align,[-1,1])) {
+							if (dist(pos.pos[0],pos.pos[1],xLeft,yBottom) < draw.snapTolerance) {
+								x += pos.pos[0] - xLeft;
+								y += pos.pos[1] - yBottom;
+								found = true;
+								obj.align = [-1,1];
+								break;
+							}
+						}
+					}
+				}
+			}
+			if (found == true) {
+				obj.text = removeTagsOfType(obj.text,'align');
+				draw.dragSnapped = true;
+				drawCanvasPaths();
+			} else {
+				obj.text = draw.savedTextArray;
+				obj.align = draw.savedTextAlign;
+			}
+		}
+	} else if (shiftOn == true && snapBordersOn == true) {
+		var snapDiff = snapBorders(draw.selectedPaths[0],draw.mouse[0]-draw.dragOffsetX,draw.mouse[1]-draw.dragOffsetY);
+		x += snapDiff[0];
+		y += snapDiff[1];
+		draw.dragSnapped = true;
+	}	
+	for (var c = 0; c < draw.selectedCanvases.length; c++) {
+		if (!un(draw.div)) {
+			var w = (1200/1235)*canvas.getBoundingClientRect().width*draw.div.zoom;
+			var h = w*(1700/1200);
+			draw.selectedCanvases[c].style.left = ((w/1200)*(x+draw.drawRelPos[0])*draw.scale)+'px';
+			draw.selectedCanvases[c].style.top = ((h/1700)*(y+draw.drawRelPos[1])*draw.scale)+'px';
+		} else {
+			resizeCanvas2(draw.selectedCanvases[c],(x+draw.drawRelPos[0])*draw.scale,(y+draw.drawRelPos[1])*draw.scale);
+		}
+	}
+	if (!un(draw.gridMenu) && draw.gridMenu.showing == true) {
+		var dx = draw.mouse[0] - draw.prevX;
+		var dy = draw.mouse[1] - draw.prevY;
+		draw.gridMenu.move(dx,dy);
+		draw.prevX = draw.mouse[0];
+		draw.prevY = draw.mouse[1];
+	}
+	draw.dragX = x;
+	draw.dragY = y;
+}
+function selectDragStop(e) {
+	updateMouse(e);
+	draw.undo.saveState();
+	removeListenerMove(window,selectDragMove);
+	removeListenerEnd(window,selectDragStop);
+	changeDrawMode();
+	draw.cursorCanvas.style.cursor = draw.cursors.move1;
+	if (altOn == true) return;
+	if (draw.dragSnapped == true) {
+		var dx = draw.dragX;// - draw.drawRelPos[0];
+		var dy = draw.dragY;// - draw.drawRelPos[1];
+	} else {
+		var dx = draw.mouse[0] - draw.startDragX;
+		var dy = draw.mouse[1] - draw.startDragY;
+	}
+	for (var c = 0; c < draw.selectedCanvases.length; c++) {
+		if (!un(draw.div)) {
+			draw.selectedCanvases[c].style.left = '0px';
+			draw.selectedCanvases[c].style.top = '0px';
+		} else {
+			resizeCanvas2(draw.selectedCanvases[c],draw.drawRelPos[0],draw.drawRelPos[1]);
+		}
+	}
+	draw.selectedCanvases = [];	
+	for (var i = 0; i < draw.path.length; i++) {
+		if (draw.path[i].selected == true) {
+			repositionPath(draw.path[i],dx,dy,0,0);
+		}
+	}
+	gridSnapObjects();
+	drawCanvasPaths();
+	delete draw.selectedPathNums;
+	delete draw.savedTextArray;
+	delete draw.savedTextAlign;
+	draw.undo.saveState();
+}
+
+function drawClickStartResizeObject() {
+	changeDrawMode('selectResize');
+	cursorPosHighlight(true);
+	draw.cursorCanvas.style.cursor = draw.cursors.nw;	
+	draw.prevX = draw.mouse[0];
+	draw.prevY = draw.mouse[1];
+	draw.resizePathNum = draw.currCursor.pathNum;
+	//addListenerMove(window,selectResizeMove);
+	//addListenerEnd(window,selectResizeStop);
+	draw.animate(selectResizeMove,selectResizeStop,function() {
+		drawSelectedPaths();
+		drawSelectCanvas();
+	});
+}
+function selectResizeMove(e) {
+	updateMouse(e);
+	var dw = draw.mouse[0] - draw.prevX;
+	var dh = draw.mouse[1] - draw.prevY;
+	repositionPath(draw.path[draw.resizePathNum],0,0,dw,dh);
+	//drawSelectedPaths();
+	//drawSelectCanvas();
+	draw.prevX = draw.mouse[0];
+	draw.prevY = draw.mouse[1];
+}
+function selectResizeStop(e) {
+	changeDrawMode('prev');
+	draw.cursorCanvas.style.cursor = draw.cursors.move1;
+	gridSnapObjects();
+	draw.prevX = null;
+	draw.prevY = null;
+	delete draw.resizePathNum;
+	//removeListenerMove(window,selectResizeMove);
+	//removeListenerEnd(window,selectResizeStop);
+}
+
+function drawClickStartResizePath() {
+	changeDrawMode('selectResize');
+	draw._path = draw.path[draw.currCursor.pathNum];
+	//console.log(draw._path);
+	draw.cursorCanvas.style.cursor = draw.cursors.nw;	
+	//addListenerMove(window,selectResizePathMove);
+	//addListenerEnd(window,selectResizePathStop);
+	draw.animate(selectResizePathMove,selectResizePathStop,function() {
+		drawSelectedPaths();
+		drawSelectCanvas();
+	});
+}
+function selectResizePathMove(e) {
+	updateMouse(e);
+	var x = draw.mouse[0];
+	var y = draw.mouse[1];
+	var sfx = (x-draw._path.tightBorder[0])/draw._path.tightBorder[2];
+	var sfy = (y-draw._path.tightBorder[1])/draw._path.tightBorder[3];
+	draw.scalePath(draw._path,Math.min(sfx,sfy),draw._path.tightBorder);
+	updateBorder(draw._path);
+	//drawCanvasPaths();
+	//drawSelectCanvas2();	
+}
+function selectResizePathStop(e) {
+	changeDrawMode('prev');
+	draw.cursorCanvas.style.cursor = draw.cursors.move1;
+	delete draw._pathNum;
+	//removeListenerMove(window,selectResizePathMove);
+	//removeListenerEnd(window,selectResizePathStop);
+}
+
+draw.rotateStart = function(e) {
+	changeDrawMode('selectRotate');
+	cursorPosHighlight(true);
+	draw.cursorCanvas.style.cursor = draw.cursors.rotate;	
+	draw.currPath = draw.path[draw.currCursor.pathNum];
+	addListenerMove(window,draw.rotateMove);
+	addListenerEnd(window,draw.rotateStop);
+}
+draw.rotateMove = function(e) {
+	updateMouse(e);
+	var x = draw.mouse[0];
+	var y = draw.mouse[1];
+	draw.currPath.rotation = getAngleTwoPoints([draw.currPath.border[0]+0.5*draw.currPath.border[2],draw.currPath.border[1]+0.5*draw.currPath.border[3]],[x,y]) + Math.PI/2;
+	drawSelectedPaths();
+	drawSelectCanvas();
+}
+draw.rotateStop = function(e) {
+	changeDrawMode('prev');
+	draw.cursorCanvas.style.cursor = draw.cursors.move1;
+	delete draw.currPath;
+	removeListenerMove(window,draw.rotateMove);
+	removeListenerEnd(window,draw.rotateStop);	
+}
+
+function drawClickAppear() {
+	var pathNum = draw.currCursor.pathNum;
+	var path = draw.path[pathNum];
+	
+	if (un(path.appear)) {
+		path.appear = {};
+	} else if (boolean(path.appear.reversible,false) == false) {
+		path.appear.reversible = true;
+	} else {
+		delete path.appear;
+	}
+	updateBorder(path);
+	drawCanvasPaths();
+}
+function drawClickAppearMoveStart() {
+	changeDrawMode('appearMove');
+	draw.cursorCanvas.style.cursor = draw.cursors.move2;
+	draw.appearMoveMode = true;
+	draw.selPath = draw.path[draw.currCursor.pathNum];
+	//addListenerMove(window,drawClickAppearMoveMove);
+	//addListenerEnd(window,drawClickAppearMoveStop);
+	draw.animate(drawClickAppearMoveMove,drawClickAppearMoveStop,drawSelectCanvas2);	
+}
+function drawClickAppearMoveMove(e) {
+	updateMouse(e);
+	draw.selPath.appear.pos = [round(draw.mouse[0],10),round(draw.mouse[1],10)];
+	delete draw.selPath.appear.center;
+	//drawSelectCanvas2();
+}
+function drawClickAppearMoveStop(e) {
+	changeDrawMode();
+	delete draw.selPath;
+	delete draw.appearMoveMode;
+	drawSelectCanvas2();
+	//removeListenerMove(window,drawClickAppearMoveMove);
+	//removeListenerEnd(window,drawClickAppearMoveStop);
+}
+
+function drawClickTrigger() {
+	var pathNum = draw.currCursor.pathNum;
+	var path = draw.path[pathNum];
+	
+	//* just handles showAns at present
+	if (!un(path.trigger) && arraysEqual(path.trigger,[false])) {
+		delete path.trigger;
+	} else {
+		path.trigger = [false];
+	}
+	//*/
+	
+	/*var prevVis = true;
+	if (typeof path.trigger == 'undefined') path.trigger = [];
+	for (var l = 0; l <= draw.triggerNum; l++) {
+		if (typeof path.trigger[l] == 'boolean') {
+			prevVis = path.trigger[l];
+		}
+	}
+	path.trigger[draw.triggerNum] = !prevVis;
+	
+	for (var o = 0; o < path.obj.length; o++) {
+		var obj = path.obj[o];
+		var prevVis = true;
+		if (un(obj.trigger)) obj.trigger = [];
+		for (var l = 0; l <= draw.triggerNum; l++) {
+			if (typeof obj.trigger[l] == 'boolean') {
+				prevVis = obj.trigger[l];
+			}
+		}
+		obj.trigger[draw.triggerNum] = !prevVis;
+	}
+	
+	if (!un(draw.triggerSlider) && draw.ansMode !== true && draw.triggerNum == draw.triggerNumMax) {
+		draw.triggerNumMax++;
+		draw.triggerSlider.max = draw.triggerNumMax;
+		draw.triggerSlider.sliderData[100] = draw.triggerSlider.left + (draw.triggerNum / draw.triggerNumMax) * draw.triggerSlider.width;
+		resize();
+	}*/
+	drawCanvasPaths();
+}
+function drawClickOrderPlus() {
+	if (!un(draw.currCursor.pathNum)) {
+		var pathNum = draw.currCursor.pathNum;
+	} else {
+		for (var p = 0; p < draw.path.length; p++) {
+			if (draw.path[p].selected == true) {
+				var pathNum = p;
+				break;
+			}
+		}
+	}
+	if (un(pathNum)) return;
+	if (ctrlOn == true) {
+		bringToFront([draw.path[pathNum]]);
+	} else {
+		bringForward(pathNum);
+	}
+}
+function drawClickOrderMinus() {
+	if (!un(draw.currCursor.pathNum)) {
+		var pathNum = draw.currCursor.pathNum;
+	} else {
+		for (var p = 0; p < draw.path.length; p++) {
+			if (draw.path[p].selected == true) {
+				var pathNum = p;
+				break;
+			}
+		}
+	}
+	if (un(pathNum)) return;
+	if (ctrlOn == true) {
+		sendToBack([draw.path[pathNum]]);
+	} else {
+		sendBackward();
+	}
+}
+function bringForward(pathNum) {
+	if (un(pathNum)) pathNum = selPathNum();
+	if (pathNum == -1 || pathNum == draw.path.length-1) return;
+	var path = draw.path[pathNum];
+	draw.path[pathNum] = draw.path[pathNum+1];
+	draw.path[pathNum+1] = path;
+	draw.currCursor.pathNum++;
+	updateBorder(draw.path[pathNum]);
+	updateBorder(draw.path[pathNum+1]);
+	calcCursorPositions();
+	drawCanvasPaths();
+}
+function sendBackward(pathNum) {
+	if (un(pathNum)) pathNum = selPathNum();
+	if (pathNum == -1 || pathNum == 0) return;
+	var path = draw.path[pathNum];
+	draw.path[pathNum] = draw.path[pathNum-1];
+	draw.path[pathNum-1] = path;
+	draw.currCursor.pathNum--;
+	updateBorder(draw.path[pathNum-1]);
+	updateBorder(draw.path[pathNum]);
+	calcCursorPositions();
+	drawCanvasPaths();	
+}
+function sendToBack(paths) {
+	var applyToAllSel = un(paths) ? true : false;
+	if (un(paths)) paths = [];
+	for (var p = draw.path.length-1; p >= 0; p--) {
+		if (applyToAllSel == true && draw.path[p].selected == true) paths.push(draw.path[p]);
+		if (paths.includes(draw.path[p])) draw.path.splice(p,1);
+	}
+	for (var p = paths.length-1; p >= 0; p--) {
+		draw.path.unshift(paths[p]);
+	}
+	calcCursorPositions();
+	drawCanvasPaths();
+}
+function bringToFront(paths) {
+	var applyToAllSel = un(paths) ? true : false;
+	if (un(paths)) paths = [];
+	for (var p = draw.path.length-1; p >= 0; p--) {
+		if (applyToAllSel == true && draw.path[p].selected == true) paths.push(draw.path[p]);
+		if (paths.includes(draw.path[p])) draw.path.splice(p,1);
+	}
+	for (var p = paths.length-1; p >= 0; p--) {
+		draw.path.push(paths[p]);
+	}
+	calcCursorPositions();
+	drawCanvasPaths();
+}
+function drawClickDelete() {
+	if (!un(textEdit) && textEdit.obj !== null) textEdit.endInput();
+	var pathNum = draw.currCursor.pathNum;
+	if (draw.path[pathNum].selected == true) removePathObject(pathNum);
+	for (var p = 0; p < draw.path.length; p++) {
+		updateBorder(draw.path[p]);
+	}
+	calcCursorPositions();
+	drawCanvasPaths();
+	cursorPosHighlight(true);
+}
+
+draw.movePathToFront = function(path) {
+	var index = draw.path.indexOf(path);
+	if (index === -1) return;
+	draw.path.splice(index,1);
+	draw.path.push(path);
+	drawCanvasPaths();
+}
+
+draw.checkPathsForID = function(paths,id) {
+	if (un(paths)) paths = draw.path;
+	for (var p = 0; p < paths.length; p++) {
+		if (paths[p].id === id) return true;
+	}
+	return false;
+}
+draw.getUniquePathID = function(paths,id) {
+	if (un(paths)) paths = draw.path;
+	var id2 = id;
+	var num = 2;
+	while (draw.checkPathsForID(paths,id2) === true) {
+		id2 = id+'_'+num;
+		num++;
+	}
+	return id2;
+}
+draw.checkObjsForID = function(paths,id) {
+	if (un(paths)) paths = draw.path;
+	for (var p = 0; p < paths.length; p++) {
+		for (var o = 0; o < paths[p].obj.length; o++) {
+			if (paths[p].obj[o].id === id) return true;
+		}
+	}
+	return false;
+}
+draw.getUniqueObjID = function(paths,id) {
+	if (un(paths)) paths = draw.path;
+	var id2 = id;
+	var num = 2;
+	while (draw.checkObjsForID(paths,id2) === true) {
+		id2 = id+'_'+num;
+		num++;
+	}
+	return id2;
+}
+
+function cutPaths(e) {
+	copyPaths(e);
+	deletePaths();
+}
+function copyPaths(e) {
+	draw.pathClipboard = [];
+	var path = draw.path;
+	for (var p = 0; p < path.length; p++) {
+		if (path[p].selected) {
+			draw.pathClipboard.push(clone(path[p]));
+		}
+	}
+
+	if (typeof mode === 'string' && mode === 'edit') {
+		//var paths = draw.stringifyDrawPaths({currFilename:currFilename, paths:draw.pathClipboard}, false)
+		var paths = stringify({currFilename:currFilename, paths:draw.pathClipboard});
+		paths = obfuscate(paths);
+		updateClipboard(paths);
+	}
+	function updateClipboard(newClip) {
+		navigator.clipboard.writeText(newClip).then(function() {
+			Notifier.success('copied to clipboard');
+		}, function() {
+
+		});
+	}
+	function stringify(obj) {
+		var circular = [];
+		var str = stringify(obj);
+		return str;
+		
+		function stringify(obj) {
+			var str = "";
+			if (circular.indexOf(obj) > -1) return "null";
+			if (obj instanceof Array) {
+				for (var i = 0; i < obj.length; i++) {
+					if (typeof obj[i] == 'object') {
+						circular.push(obj);
+						break;
+					}
+				}
+				str += "[";
+				for (var i = 0; i < obj.length; i++) {
+					if (obj.hasOwnProperty(i) !== true) continue;
+					//if (typeof obj[i] === 'function' && ['last','ran','max','min','sortOn','shuffle','isEmpty','alphanumSort'].includes(i)) continue;
+					str += stringify(obj[i])+',';
+				}
+				if (str.slice(-1) == ',') str = str.slice(0,-1);
+				str += "]";
+			} else if (typeof obj == 'object') {
+				for (var key in obj) {
+					if (typeof obj[key] == 'object') {
+						circular.push(obj);
+						break;
+					}
+				}
+				str += "{";
+				for (var key in obj) {
+					if (obj.hasOwnProperty(key) !== true) continue;
+					if (key.indexOf('_') === 0) continue;
+					if (['borderButtons','border','tightBorder','selected','ctx','qBox',"data","cursorData","textLoc","cursorPos","cursorMap","allMap","canvas","ctx","cursorCanvas","cursorctx","startText","startRichText","startTags","stringJS","currBackColor","preText","postText"].includes(key)) continue;
+					var value = stringify(obj[key]);
+					if (value == '') continue;
+					str += '"'+key+'":'+value+",";
+				}
+				if (str.slice(-1) == ',') str = str.slice(0,-1);
+				str += "}";
+			} else if (typeof obj == 'function') {
+				var funcStr = obj.toString().replace(/\r?\n|\r|\t/g,"");
+				str += JSON.stringify(funcStr);
+			} else if (typeof obj == 'number') {
+				str += String(Number(obj.toFixed(3)));
+			} else if (typeof obj == 'string') {
+				var escapeString = replaceAll(obj,"\"","\\\"");
+				str += '"'+escapeString+'"';
+			} else if (typeof obj == 'boolean') {
+				str += obj;
+			} else {
+				if (typeof obj !== 'undefined') console.log('draw.stringify type not included: ',typeof obj,obj);
+				str += 'null';
+			}
+			return str;
+		}
+	}
+	function obfuscate(str) {
+		var bytes = [];
+		for (var i = 0; i < str.length; i++) {
+			var charCode = str.charCodeAt(i);
+			charCode = String("00000" + charCode).slice(-5);
+			bytes.push(charCode);
+		}
+		return bytes.join('');
+	}
+}
+function pastePaths(e) {
+	deselectAllPaths(false);
+	/*if (!un(draw.pathClipboard) && draw.pathClipboard.length > 0) {
+		var paths = clonePaths2(draw.pathClipboard);
+		if (shiftOn === false) {
+			var top;
+			for (var c = 0; c < paths.length; c++) {
+				var path = paths[c];
+				if (un(top)) {
+					top = path.tightBorder[1];
+				} else {
+					top = Math.min(top,path.tightBorder[1])
+				}
+			}
+			for (var c = 0; c < paths.length; c++) {
+				var path = paths[c];
+				positionPath(path,path.tightBorder[0],40-draw.drawRelPos[1]+path.tightBorder[1]-top);
+			}
+		}
+		
+		for (var c = 0; c < paths.length; c++) {
+			var path = paths[c];
+			if (typeof path.id === 'string') {
+				path.id = draw.getUniquePathID(draw.path,path.id);
+			}
+			for (var o = 0; o < path.obj.length; o++) {
+				var obj = path.obj[o];
+				if (typeof obj.id === 'string') {
+					obj.id = draw.getUniqueObjID(draw.path,obj.id);
+				}
+			}
+			draw.path.push(path);
+		}		
+		calcCursorPositions();
+		drawCanvasPaths();
+	}*/
+	if (typeof mode === 'string' && mode === 'edit') {
+		navigator.clipboard.readText().then(function(clipText) {
+			var json = deobfuscate(clipText);
+			try {
+				var clipObj = parse(json);
+				//if (clipObj.currFilename !== currFilename) {
+					Notifier.success('pasted from clipboard');
+					var paths = draw.convertLoadedPaths(clipObj.paths);
+					var top;
+					for (var p = 0; p < paths.length; p++) {
+						var path = paths[p];
+						path.selected = true;
+						updateBorder(path);
+						if (un(top)) {
+							top = path.tightBorder[1];
+						} else {
+							top = Math.min(top,path.tightBorder[1])
+						}
+					}
+					if (shiftOn === false) {
+						for (var c = 0; c < paths.length; c++) {
+							var path = paths[c];
+							positionPath(path,path.tightBorder[0],40-draw.drawRelPos[1]+path.tightBorder[1]-top);
+						}
+					}
+					for (var c = 0; c < paths.length; c++) {
+						var path = paths[c];
+						if (typeof path.id === 'string') {
+							path.id = draw.getUniquePathID(draw.path,path.id);
+						}
+						for (var o = 0; o < path.obj.length; o++) {
+							var obj = path.obj[o];
+							if (typeof obj.id === 'string') {
+								obj.id = draw.getUniqueObjID(draw.path,obj.id);
+							}
+						}
+						draw.path.push(path);
+					}
+					calcCursorPositions();
+					drawCanvasPaths();
+				//}
+			} catch (e) {
+
+			}		
+		});
+		function parse(json) {
+			var obj = JSON.parse(json);
+			parseObj(obj);
+			return obj;
+			
+			function parseObj(obj) {
+				if (obj instanceof Array) {
+					for (var i = 0; i < obj.length; i++) {
+						parseObj(obj[i]);
+					}
+				} else if (typeof obj === 'object') {
+					for (var key in obj) {
+						if (typeof obj[key] === 'object') {
+							parseObj(obj[key]);
+						} else if (typeof obj[key] === 'string') {
+							if (obj[key].indexOf('function(') === 0 || obj[key].indexOf('function (') === 0) {
+								obj[key] = Function("return " + obj[key])();
+							}
+						}
+					}
+				}				
+			}
+		}
+		function deobfuscate(bytes) {
+			var str = '';
+			while (bytes.length > 0) {
+				var code = bytes.slice(0,5);
+				bytes = bytes.slice(5);
+				str += String.fromCharCode(Number(code));
+			}
+			return str;
+		}
+	}
+}
+function clearPathClipboard() {
+	draw.pathClipboard = [];
+}
+function clonePaths(paths) {
+	if (un(paths)) paths = draw.path;
+	var selected = [];
+	for (var p = 0, pMax = paths.length; p < pMax; p++) {
+		if (paths[p].selected == true) selected.push(paths[p]);
+	}
+	var clones = clonePaths2(selected);
+	deselectAllPaths(false);
+	for (var c = 0; c < clones.length; c++) {
+		var path = clones[c];
+		if (typeof path.id === 'string') {
+			path.id = draw.getUniquePathID(draw.path,path.id);
+		}
+		for (var o = 0; o < path.obj.length; o++) {
+			var obj = path.obj[o];
+			if (typeof obj.id === 'string') {
+				obj.id = draw.getUniqueObjID(draw.path,obj.id);
+			}
+		}
+		draw.path.push(path);
+	}
+	for (var p = pMax; p < draw.path.length; p++) {	
+		repositionPath(draw.path[p],40,40,0,0);
+	}
+	drawCanvasPaths();
+}
+function clonePaths2(paths) {
+	var clones = [];
+	for (var p = 0, pMax = paths.length; p < pMax; p++) {
+		var path = clone(paths[p]);
+		delete path.ctx;
+		//delete path.id;
+		//if (!un(path.interact)) delete path.interact.id;
+		for (var o = 0; o < path.obj.length; o++) {
+			var obj = path.obj[o];
+			if (un(obj)) continue;
+			//if (!un(obj.id)) delete obj.id;
+			if (!un(obj.ctx)) delete obj.ctx;
+			if (!un(draw[obj.type]) && typeof draw[obj.type].clone === 'function') draw[obj.type].clone(obj);
+		}
+		clones.push(path);
+	}
+	return clones;
+}
+function deletePaths() {
+	for (var i = draw.path.length-1; i >= 0; i--) {
+		if (draw.path[i].selected == true) {
+			removePathObject(i);
+		}
+	}	
+}
+function clearDrawPaths() {
+	for (var i = draw.path.length - 1; i >= 0; i--) {
+		removePathObject(i);
+	}
+	drawCanvasPaths();
+	//pathCanvasReset();
+}
+function deleteSelectedPaths() {
+	for (var p = draw.path.length-1; p >= 0; p--) {
+		if (draw.path[p].selected == true) {
+			removePathObject(p);
+		}
+	}
+	for (var p = 0; p < draw.path.length; p++) {
+		updateBorder(draw.path[p]);
+	}
+	calcCursorPositions();
+	drawCanvasPaths();
+	drawSelectCanvas();	
+}
+function removePathObject(num) {
+	draw.path.splice(num,1);
+}
+
+function selectAllPaths() {
+	for (var p = 0; p < draw.path.length; p++) draw.path[p].selected = getPathVis(draw.path[p]);
+	drawCanvasPaths();
+	calcCursorPositions();	
+}
+function deselectAllPaths(redraw) {
+	if (un(redraw)) redraw = true;
+	if (!un(draw.gridMenu) && draw.gridMenu.showing == true) draw.gridMenu.hide();
+	for (var i = 0; i < draw.path.length; i++) {
+		if (draw.path[i].selected) {
+			draw.path[i].selected = false;
+		}
+	}
+	if (redraw == true) drawCanvasPaths();
+	if (!un(draw.controlPanel)) draw.controlPanel.clear();
+	if (!un(draw.controlPanel2) && !un(draw.controlPanel2.ctx)) draw.controlPanel2.clear();
+	calcCursorPositions();
+}
+function getSelectedPaths() {
+	var sel = [];
+	for (var p = 0; p < draw.path.length; p++) {
+		if (draw.path[p].selected == true) {
+			sel.push(p);
+		}
+	}
+	return sel;
+}
+
+function groupPaths() {
+	var selected = [];
+	for (var i = 0; i < draw.path.length; i++) {
+		if (draw.path[i].obj.length == 1 && draw.path[i].obj[0].type === 'qBox') continue;
+		if (draw.path[i].selected == true) selected.push(i);
+	}
+	if (selected.length > 1) {
+		for (var p = 0; p < draw.path.length; p++) {
+			var path = draw.path[p];
+			if (path.selected == true) {
+				updateBorder(path);
+				if (!un(path.trigger)) {
+					for (var o = 0; o < path.obj.length; o++) {
+						var obj = path.obj[o];
+						obj.trigger = clone(path.trigger);
+					}
+				}
+			}
+		}
+		var pathObject = [];
+		for (i = 0; i < selected.length; i++) {
+			for (var k = 0; k < draw.path[selected[i]].obj.length; k++) {
+				pathObject.push(draw.path[selected[i]].obj[k]);
+			}
+		}
+		draw.path[selected[selected.length-1]].obj = pathObject.slice(0);
+		draw.path[selected[selected.length-1]].selected = true;
+		delete draw.path[selected[selected.length-1]].trigger;
+		for (i = selected.length - 2; i >= 0; i--) removePathObject(selected[i]);		
+		drawCanvasPaths();
+		calcCursorPositions();		
+	}
+}
+
+function setObjPos(obj,x,y,xAlign,yAlign) {
+	if (un(obj.left) || un(obj.top) || un(obj.width) || un(obj.height)) return;
+	var dl = 0, dt = 0;
+	if (xAlign == 'left') {
+		dl = x - obj.left;
+	} else if (xAlign == 'center') {
+		dl = x - 0.5*obj.width - obj.left;
+	} else if (xAlign == 'right') {
+		dl = x - obj.width - obj.left;		
+	}
+	if (yAlign == 'top') {
+		dt = y - obj.top;
+	} else if (yAlign == 'middle') {
+		dt = y - 0.5*obj.height - obj.top;
+	} else if (yAlign == 'bottom') {
+		dt = y - obj.height - obj.top;
+	}
+	repositionObj(obj,dl,dt,0,0);
+}
+
+function ungroupPaths() {
+	for (var p = draw.path.length-1; p >= 0; p--) {
+		var path = draw.path[p];
+		if (path.selected == true && path.obj.length > 1) {
+			var newPaths = [];
+			for (var o = 0; o < path.obj.length; o++) {
+				var obj = path.obj[o];
+				var trigger = [];
+				if (!un(obj.trigger)) {
+					trigger = clone(obj.trigger);
+					delete obj.trigger;
+				}
+				newPaths.push({obj:[obj],selected:true,trigger:trigger});
+			}
+			//draw.updateAllBorders(newPaths);
+			//console.log(newPaths);
+			draw.path = draw.path.slice(0,p).concat(newPaths).concat(draw.path.slice(p+1));
+		}
+	}
+	draw.updateAllBorders();
+	drawCanvasPaths();
+	calcCursorPositions();
+}
+
+function positionPath(path,left,top) {
+	updateBorder(path);
+	if (un(left)) {
+		var dl = 0;
+	} else {
+		var dl = left - path.tightBorder[0];
+	}
+	if (un(top)) {
+		var dt = 0;
+	} else {
+		var dt = top - path.tightBorder[1];
+	}
+	repositionPath(path,dl,dt);
+}
+function repositionPath(path,dl,dt,dw,dh) {
+	if (typeof dl !== 'number') dl = 0;
+	if (typeof dt !== 'number') dt = 0;
+	if (typeof dw !== 'number') dw = 0;
+	if (typeof dh !== 'number') dh = 0;
+	if (!un(path.question) && !un(path._rect)) {
+		path._rect[0] += dl;
+		path._rect[1] += dt;
+		path._rect[2] += dw;
+		path._rect[3] += dh;
+		arrangeQuestion(q);
+	} else {
+		for (var j = 0; j < path.obj.length; j++) {	
+			var obj = path.obj[j];
+			if (obj.tbLayout == true) {
+				var diff = tbLayoutSnap(path,obj,dt);
+				dl = diff.dl;
+				dt = diff.dt;
+				if (obj.tbLayoutTitle !== true) dw = diff.dw;
+			}
+			repositionObj(obj,dl,dt,dw,dh);
+		}
+	}
+	updateBorder(path);
+}
+function textSnap(path,obj,dl,dt,dw) {
+	var pathNum = draw.path.indexOf(path);
+
+	var left = obj.left+dl;
+	var top = obj.top+dt;
+	var width = obj.width+dw;
+	if (Math.abs(left - draw.gridMargin[0]) < draw.selectTolerance*2) left = draw.gridMargin[0];
+	if (Math.abs(top - draw.gridMargin[1]) < draw.selectTolerance*2) top = draw.gridMargin[1];
+	if (Math.abs(width - (draw.drawArea[2]-draw.gridMargin[0]-draw.gridMargin[2])) < draw.selectTolerance*2) width = draw.drawArea[2]-draw.gridMargin[0]-draw.gridMargin[2];
+	
+	for (var p = 0; p < pathNum; p++) {
+		var path2 = draw.path[p];
+		for (var o = 0; o < path2.obj.length; o++) {
+			var obj2 = path2.obj[o];
+			if (obj2.tbLayout == true) {
+				var top2 = obj2.top+obj2.height+20;
+				if (Math.abs(top - top2) < draw.selectTolerance*2) top = top2;
+			}
+		}
+	}
+	return {dl:left-obj.left,dt:top-obj.top,dw:width-obj.width};	
+}
+function tbLayoutSnap(path,obj,dt) {
+	var pathNum = draw.path.indexOf(path);
+	var left = draw.gridMargin[0];
+	var width = obj.width;
+	if (obj.tbLayoutTitle !== true) width = draw.drawArea[2]-draw.gridMargin[0]-draw.gridMargin[2];
+	if (obj.tbLayoutTitle == true) left = (draw.drawArea[2] - width) / 2;
+	var top = obj.top+dt;
+	var top2 = tbLayoutGetPrevTop(pathNum);
+	if (Math.abs(top - top2) < draw.selectTolerance*2) top = top2;
+
+	return {dl:left-obj.left,dt:top-obj.top,dw:width-obj.width};
+}
+function tbLayoutGetPrevTop(pathNum) {
+	if (un(pathNum)) pathNum = draw.path.length;
+	for (var p = pathNum-1; p >=0; p--) {
+		for (var o = draw.path[p].obj.length-1; o >= 0; o--) {
+			var obj = draw.path[p].obj[o];
+			if (obj.tbLayout == true) {
+				return draw.path[p].tightBorder[5];
+			}
+		}
+	}
+	return draw.gridMargin[1];
+}
+function repositionObj(obj,dl,dt,dw,dh) {
+	if (typeof dl !== 'number') dl = 0;
+	if (typeof dt !== 'number') dt = 0;
+	if (typeof dw !== 'number') dw = 0;
+	if (typeof dh !== 'number') dh = 0;
+	if (!un(draw[obj.type]) && !un(draw[obj.type].changePosition)) {
+		draw[obj.type].changePosition(obj,dl,dt,dw,dh);
+		return;
+	}
+	switch (obj.type) {
+		case 'pen' :
+			for (var k = 0; k < obj.pos.length; k++) {
+				obj.pos[k][0] += dl;
+				obj.pos[k][1] += dt;
+			}
+			break;	
+		case 'anglesAroundPoint' :
+			for (var k = 0; k < obj.points.length; k++) {
+				obj.points[k][0] += dl;
+				obj.points[k][1] += dt;
+			}
+			obj.center[0] += dl;
+			obj.center[1] += dt;
+			if (dw !== 0 || dh !== 0) {
+				var x = mouse.x - draw.drawRelPos[0];
+				var y = mouse.y - draw.drawRelPos[1];
+				obj.radius = Math.abs(Math.max(x-obj.center[0],y-obj.center[1]));
+				anglesAroundPointFixToRadius(obj);
+			}
+			break;				
+		case 'line' :
+			obj.startPos[0] += dl;
+			obj.startPos[1] += dt;
+			obj.finPos[0] += dl;
+			obj.finPos[1] += dt;
+			break;
+		case 'rect' :
+			obj.startPos[0] += dl;
+			obj.startPos[1] += dt;
+			obj.finPos[0] += dl+dw;
+			obj.finPos[1] += dt+dh;
+			break;
+		case 'square' :
+			obj.startPos[0] += dl;
+			obj.startPos[1] += dt;
+			obj.finPos[0] += dl;
+			obj.finPos[1] += dt;				
+			if (dw !== 0 || dh !== 0) {
+				var newSize = Math.min(mouse.x-obj.startPos[0],mouse.y-obj.startPos[1]);
+				obj.finPos[0] = obj.startPos[0] + newSize;
+				obj.finPos[1] = obj.startPos[1] + newSize;
+			}
+			break;
+		case 'curve' :
+			obj.startPos[0] += dl;
+			obj.startPos[1] += dt;
+			obj.finPos[0] += dl;
+			obj.finPos[1] += dt;
+			obj.controlPos[0] += dl;
+			obj.controlPos[1] += dt;
+			break;
+		case 'curve2' :
+			obj.startPos[0] += dl;
+			obj.startPos[1] += dt;
+			obj.finPos[0] += dl;
+			obj.finPos[1] += dt;
+			obj.controlPos1[0] += dl;
+			obj.controlPos1[1] += dt;
+			obj.controlPos2[0] += dl;
+			obj.controlPos2[1] += dt;				
+			break;				
+		case 'text2':
+			obj.rect[0] += dl;
+			obj.rect[1] += dt;
+			obj.rect[2] += dw;
+			obj.rect[3] += dh;
+			break;
+		case 'image' :
+			obj.left += dl;
+			obj.top += dt;
+			if (dw !== 0 || dh !== 0) {
+				var sf = Math.min((mouse.x-obj.left)/obj.naturalWidth,(mouse.y-obj.top)/obj.naturalHeight);
+				obj.width = obj.naturalWidth * sf;
+				obj.height = obj.naturalHeight * sf;
+				obj.scaleFactor = sf;
+			}
+			break;
+		case 'table2' :
+			obj.left += dl;
+			obj.top += dt;
+			if (!un(obj.xPos)) for (var x = 0; x < obj.xPos.length; x++) obj.xPos[x] += dl;
+			if (!un(obj.yPos)) for (var y = 0; y < obj.yPos.length; y++) obj.yPos[y] += dt;
+			if (dw !== 0) {
+				var width = arraySum(obj.widths);
+				var sf = (width+dw)/width;
+				for (var w = 0; w < obj.widths.length; w++) obj.widths[w] *= sf;
+			}
+			if (dh !== 0) {
+				var height = arraySum(obj.heights)+dh;
+				var sf = (height+dh)/height;
+				for (var h = 0; h < obj.heights.length; h++) obj.heights[h] *= sf; 
+			}
+			break;				
+		case 'angle' :
+			obj.a[0] += dl;
+			obj.a[1] += dt;
+			obj.b[0] += dl;
+			obj.b[1] += dt;
+			obj.c[0] += dl;
+			obj.c[1] += dt;
+			if (!un(obj.d)) {
+				obj.d[0] += dl;
+				obj.d[1] += dt;
+			}
+			if (dw !== 0 || dh !== 0) {
+				obj.radius = Math.min(
+					Math.abs(mouse.x-draw.drawRelPos[0]-obj.b[0]),Math.abs(mouse.y-draw.drawRelPos[1]-obj.b[1])
+				);
+				obj.a = [obj.b[0]+obj.radius*Math.cos(obj.angleA),obj.b[1]+obj.radius*Math.sin(obj.angleA)];
+				obj.c = [obj.b[0]+obj.radius*Math.cos(obj.angleC),obj.b[1]+obj.radius*Math.sin(obj.angleC)];
+			}				
+			break;
+		case 'circle' :
+		case 'point' :
+			obj.center[0] += dl;
+			obj.center[1] += dt;
+			if (dw !== 0 || dh !== 0) {
+				var x = mouse.x - draw.drawRelPos[0];
+				var y = mouse.y - draw.drawRelPos[1];
+				obj.radius = Math.abs(Math.min(x-obj.center[0],y-obj.center[1]));
+			}				
+			break;
+		case 'ellipse' :
+			obj.center[0] += dl;
+			obj.center[1] += dt;
+			obj.radiusX += dw;
+			obj.radiusY += dh;	
+			break;
+		case 'grid' :
+			obj.left += dl;
+			obj.top += dt;
+			obj.width += dw;
+			obj.height += dh;				
+			obj.xZero += dl;
+			obj.yZero += dt;
+			break;
+		case 'simpleGrid' :
+			obj.left += dl;
+			obj.top += dt;
+			if (dh !== 0 || dw !== 0) {
+				if (Math.abs(dh) < Math.abs(dw)) {
+					obj.width += dw;
+					obj.height = obj.width * (obj.vSquares / obj.hSquares);
+				} else {
+					obj.height += dw;
+					obj.width = obj.height * (obj.hSquares / obj.vSquares);
+				}
+			}
+			obj.xZero += dl;
+			obj.yZero += dt;
+			break;
+	}
+	
+}
+function repositionAllPaths(paths) {
+	if (typeof paths == 'undefined') var paths = draw.path;
+	for (var p = 0; p < paths.length; p++) {
+		repositionPath(paths[p],0,0,0,0);
+	}
+}
+function movePaths(dl,dt) {
+	for (var p = 0; p < draw.path.length; p++) {
+		if (draw.path[p].selected) {
+			repositionPath(draw.path[p],dl,dt,0,0);
+			updateBorder(draw.path[p]);
+		}
+	}
+	drawSelectedPaths();
+	drawSelectCanvas();
+}
+function alignPaths(type) {
+	var sel = [];
+	var pos = [];
+	for (var p = 0; p < draw.path.length; p++) {
+		if (draw.path[p].selected == true) {
+			sel.push(p);
+			pos.push(draw.path[p].tightBorder);
+		}
+	}
+	switch (type) {
+		case 'left':
+			var x;
+			for (var p = 0; p < pos.length; p++) {
+				if (p == 0) {
+					x = pos[p][0];
+				} else {
+					x = Math.min(x,pos[p][0]);
+				}
+			}
+			for (var p = 0; p < pos.length; p++) {
+				repositionPath(draw.path[sel[p]],x-pos[p][0],0,0,0);
+			}
+			break;
+		case 'center':
+			if (pos.length == 1) {
+				var x = (draw.drawArea[2]-pos[0][2])/2;
+				repositionPath(draw.path[sel[0]],x-pos[0][0],0,0,0);
+				break;
+			}
+			var xMin;
+			var xMax;
+			for (var p = 0; p < pos.length; p++) {
+				if (p == 0) {
+					xMin = pos[p][0];
+					xMax = pos[p][4];
+				} else {
+					xMin = Math.min(xMin,pos[p][0]);
+					xMax = Math.max(xMax,pos[p][4]);
+				}
+			}
+			var x = (xMin+xMax)/2;
+			for (var p = 0; p < pos.length; p++) {
+				repositionPath(draw.path[sel[p]],(x-pos[p][0])-pos[p][2]/2,0,0,0);
+			}
+			break;			
+		case 'right':
+			var x;
+			for (var p = 0; p < pos.length; p++) {
+				if (p == 0) {
+					x = pos[p][4];
+				} else {
+					x = Math.max(x,pos[p][4]);
+				}
+			}
+			for (var p = 0; p < pos.length; p++) {
+				repositionPath(draw.path[sel[p]],(x-pos[p][0])-pos[p][2],0,0,0);
+			}
+			break;
+		case 'top':
+			var y;
+			for (var p = 0; p < pos.length; p++) {
+				if (p == 0) {
+					y = pos[p][1];
+				} else {
+					y = Math.min(y,pos[p][1]);
+				}
+			}
+			for (var p = 0; p < pos.length; p++) {
+				repositionPath(draw.path[sel[p]],0,y-pos[p][1],0,0);
+			}
+			break;
+		case 'middle':
+			if (pos.length == 1) {
+				var y = (draw.drawArea[3]-pos[0][3])/2;
+				repositionPath(draw.path[sel[0]],0,y-pos[0][1],0,0);
+				break;
+			}		
+			var yMin;
+			var yMax;
+			for (var p = 0; p < pos.length; p++) {
+				if (p == 0) {
+					yMin = pos[p][1];
+					yMax = pos[p][5];
+				} else {
+					yMin = Math.min(yMin,pos[p][1]);
+					yMax = Math.max(yMax,pos[p][5]);
+				}
+			}
+			var y = (yMin+yMax)/2;
+			for (var p = 0; p < pos.length; p++) {
+				repositionPath(draw.path[sel[p]],0,(y-pos[p][1])-pos[p][3]/2,0,0);
+			}
+			break;			
+		case 'bottom':
+			var y;
+			for (var p = 0; p < pos.length; p++) {
+				if (p == 0) {
+					y = pos[p][5];
+				} else {
+					y = Math.max(y,pos[p][5]);
+				}
+			}
+			for (var p = 0; p < pos.length; p++) {
+				repositionPath(draw.path[sel[p]],0,(y-pos[p][1])-pos[p][3],0,0);
+			}
+			break;
+	}
+	drawCanvasPaths();
+}
+function snapToMargin(type) {
+	if (typeof type == 'undefined') type = 'left';
+	for (var p = 0; p < draw.path.length; p++) {
+		if (draw.path[p].selected == true) {
+			var dx = 0;
+			var dy = 0;
+			var pos = draw.path[p].tightBorder;
+			switch (type) {
+				case 'left':
+					dx = draw.gridMargin[0] - pos[0];
+					break;
+				case 'top':
+					dy = draw.gridMargin[1] - pos[1];
+					break;
+				case 'right':
+					dx = (draw.drawArea[2] - draw.gridMargin[2]) - pos[4];
+					break;					
+				case 'bottom':
+					dy = (draw.drawArea[3] - draw.gridMargin[3]) - pos[5];
+					break;
+			}
+			repositionPath(draw.path[p],dx,dy,0,0);
+		}
+	}
+	drawCanvasPaths();
+}
+function snapToObj2(pos,pathNum) {
+	var closest = [];
+	var close = -1;
+	for (var p = 0; p < draw.path.length; p++) {
+		if (p == pathNum) continue;
+		for (var o = 0; o < draw.path[p].obj.length; o++) {
+			var obj = draw.path[p].obj[o];
+			if (!un(draw.snapToObjs) && draw.snapToObjs.includes(obj.type) == false) continue;
+			if (!un(draw[obj.type]) && !un(draw[obj.type].getSnapPos)) {
+				var snapPos = draw[obj.type].getSnapPos(obj);
+				for (var s = 0; s < snapPos.length; s++) {
+					if (snapPos[s].type == 'point') {
+						checkPos(snapPos[s].pos);
+					} else if (snapPos[s].type == 'line') {
+						checkLine(snapPos[s].pos1,snapPos[s].pos2);
+					} else if (snapPos[s].type == 'circle') {
+						checkCircle(snapPos[s].center,snapPos[s].radius);
+					} else if (snapPos[s].type == 'arc') {
+						checkArc(snapPos[s].center,snapPos[s].radius,snapPos[s].angle1,snapPos[s].angle2);
+					}
+				}
+				continue;
+			}
+			switch (obj.type) {
+				case 'line':
+				case 'curve':
+				case 'curve2':
+					checkPos(obj.startPos);
+					checkPos(obj.finPos);
+					break;
+				case 'circle':
+				case 'point':
+					checkPos(obj.center);
+					break;	
+				case 'arc':
+					var arcEnds = getEndPointsOfArc(obj);
+					for (var k = 0; k < arcEnds.length; k++) {
+						checkPos(arcEnds[k]);
+					}
+					checkPos(obj.center);
+					break;				
+				case 'pen':
+					checkPos(obj.pos[0]);
+					checkPos(obj.pos[obj.pos.length-1]);
+					break;
+				/*case 'arc':
+					break;*/
+				case 'rect':
+					checkPos([obj.left,obj.top]);
+					checkPos([obj.left+obj.width,obj.top]);
+					checkPos([obj.left,obj.top+obj.height]);
+					checkPos([obj.left+obj.width,obj.top+obj.height]);
+					break;
+				case 'polygon':
+					for (var v = 0; v < obj.points.length; v++) {
+						checkPos(obj.points[v]);
+					}
+					if (obj.solidType == 'prism' && !un(obj._prismPoints)) {
+						for (var v = 0; v < obj.points.length; v++) {
+							checkPos(obj._prismPoints[v]);
+						}
+					}
+					if (obj.anglesMode == 'exterior' && !un(obj.exteriorAngles)) {
+						for (var v = 0; v < obj.exteriorAngles.length; v++) {
+							if (un(obj.exteriorAngles[v])) continue;
+							if (obj.exteriorAngles[v].line1.show == true) {
+								checkPos(obj.exteriorAngles[v].line1.pos);
+							}
+							if (obj.exteriorAngles[v].line2.show == true) {
+								checkPos(obj.exteriorAngles[v].line2.pos);
+							}
+						}
+					}
+					break;
+				case 'angle':
+					checkPos(obj.b);
+					if (obj.isArc == true || obj.isSector == true || obj.drawLines == true) {
+						checkPos(obj.a);
+						checkPos(obj.c);
+					}
+					break;
+				case 'anglesAroundPoint':
+					for (var v = 0; v < obj.points.length; v++) {
+						checkPos(obj.points[v]);
+					}
+					checkPos(obj.center);
+					break;
+				case 'simpleGrid':
+					var size = obj.width / obj.hSquares;
+					for (var x = 0; x <= obj.hSquares; x++) {
+						var xx = obj.left + x * size;
+						for (var y = 0; y <= obj.vSquares; y++) {
+							var yy = obj.top + obj.height - y * size;
+							checkPos([xx,yy]);
+						}
+					}
+					break;
+				case 'table2':
+					var x = obj.left;
+					var y = obj.top;
+					checkPos([x,y]);
+					for (var w = 0; w < obj.widths.length; w++) {
+						x += obj.widths[w];
+						checkPos([x,y]);
+					}
+					for (var h = 0; h < obj.heights.length; h++) {
+						x = obj.left;
+						y += obj.heights[h];
+						checkPos([x,y]);
+						for (var w = 0; w < obj.widths.length; w++) {
+							x += obj.widths[w];
+							checkPos([x,y]);
+						}
+					}
+					break;					
+			}
+		}
+	}
+	if (!un(draw.snapPoints) && (!un(draw.snapToObjs) || snapToObj2On === true)) { 
+		for (var s = 0; s < draw.snapPoints.length; s++) {
+			checkPos(draw.snapPoints[s]);
+		}
+	}
+	function checkPos(pos2) {
+		var d = dist(pos[0],pos[1],pos2[0],pos2[1]);
+		if (d < draw.snapTolerance) {
+			if (close == -1 || d < close) {
+				close = d;
+				closest = pos2;
+			}
+		}
+	}
+	if (close !== -1) return clone(closest);
+	for (var p = 0; p < draw.path.length; p++) { // if no point found, search for line to snap to
+		if (p == pathNum) continue;
+		for (var o = 0; o < draw.path[p].obj.length; o++) {
+			var obj = draw.path[p].obj[o];
+			switch (obj.type) {
+				case 'line':
+					checkLine(obj.startPos,obj.finPos);	
+					break;
+				case 'rect':
+					var lt = [obj.left,obj.top];
+					var rt = [obj.left+obj.width,obj.top];
+					var lb = [obj.left,obj.top+obj.height];
+					var rb = [obj.left+obj.width,obj.top+obj.height];
+					checkLine(lt,rt);
+					checkLine(rt,rb);
+					checkLine(rb,lb);
+					checkLine(lb,lt);
+					break;
+				case 'polygon':
+					for (var v = 0; v < obj.points.length-1; v++) {
+						checkLine(obj.points[v],obj.points[v+1]);
+					}
+					if (boolean(obj.closed,true)) {
+						checkLine(obj.points[obj.points.length-1],obj.points[0]);
+					}
+					if (obj.solidType == 'prism' && !un(obj._prismPoints)) {
+						for (var v = 0; v < obj.points.length; v++) {
+							checkLine(obj.points[v],obj._prismPoints[v]);
+							var next = v+1;
+							if (v == obj.points.length-1) next = 0;
+							checkLine(obj._prismPoints[v],obj._prismPoints[next]);
+						}
+					}
+					if (obj.anglesMode == 'exterior' && !un(obj.exteriorAngles)) {
+						for (var v = 0; v < obj.exteriorAngles.length; v++) {
+							if (un(obj.exteriorAngles[v])) continue;
+							if (obj.exteriorAngles[v].line1.show == true) {
+								checkLine(obj.points[v],obj.exteriorAngles[v].line1.pos);
+							}
+							if (obj.exteriorAngles[v].line2.show == true) {
+								checkLine(obj.points[v],obj.exteriorAngles[v].line2.pos);
+							}
+						}
+					}					
+					break;
+				case 'angle':
+					if (obj.drawLines == true || obj.isSector == true) {
+						checkLine(obj.a,obj.b);
+						checkLine(obj.b,obj.c);
+					}
+					if (obj.isSector == true || obj.isArc == true) {
+						checkArc(obj.b,obj.radius,obj.angleA,obj.angleC);
+					}
+					break;
+				case 'anglesAroundPoint':
+					for (var v = 0; v < obj.points.length; v++) {
+						checkLine(obj.points[v],obj.center);
+					}
+					break;
+				case 'circle':
+					checkCircle(obj.center,obj.radius);
+					break;
+				case 'arc':
+					//console.log(obj);
+					if (obj.clockwise == true) {
+						checkArc(obj.center,obj.radius,obj.startAngle,obj.finAngle);
+					} else {
+						checkArc(obj.center,obj.radius,obj.finAngle,obj.startAngle);						
+					}
+					break;					
+			}
+		}
+	}
+	function checkLine(p1,p2) {
+		var p3 = closestPointOnLineSegment(pos,p1,p2);
+		var d = getDist(p3,pos);
+		if (d < draw.snapTolerance) {
+			if (close == -1 || d < close) {
+				close = d;
+				closest = p3;
+			}
+		}
+	}
+	function checkCircle(center,radius) {
+		var d = getDist(center,pos);
+		if (Math.abs(d-radius) > draw.snapTolerance) return;
+		if (close == -1 || d < close) {
+			close = d;
+			var a = getAngleTwoPoints(center,pos);
+			closest = [center[0]+radius*Math.cos(a),center[1]+radius*Math.sin(a)];
+		}
+	}
+	function checkArc(center,radius,a1,a2) {
+		var d = getDist(center,pos);
+		if (Math.abs(d-radius) > draw.snapTolerance) return;
+		var a = getAngleTwoPoints(center,pos);
+		if (anglesInOrder(a1,a,a2)) {
+			if (close == -1 || d < close) {
+				close = d;
+				closest = [center[0]+radius*Math.cos(a),center[1]+radius*Math.sin(a)];
+			}
+		}
+	}	
+	if (close !== -1) return clone(closest);
+	return pos;
+}
+function snapBorders(pathNum,x,y) {
+	var tol = draw.snapTolerance * 3;
+	var b1 = draw.path[pathNum].tightBorder;
+	var closeX = tol+1;
+	var closeY = tol+1;
+	if (Math.abs(x-draw.gridMargin[0]) < closeX) {
+		closeX = -(x-draw.gridMargin[0]);
+	} else if (Math.abs(x+b1[2]-(draw.drawArea[0]+draw.drawArea[2]-draw.gridMargin[2])) < closeX) {
+		closeX = -(x+b1[2]-(draw.drawArea[0]+draw.drawArea[2]-draw.gridMargin[2]));
+	}
+	for (var m = 0; m < draw.gridVertMargins.length; m++) {
+		if (Math.abs(x-draw.gridVertMargins[m]) < closeX) {
+			closeX = -(x-draw.gridVertMargins[m]);
+		}
+	}
+	if (Math.abs(y-draw.gridMargin[1]) < closeY) {
+		closeY = -(y-draw.gridMargin[1]);
+	} else if (Math.abs(y+b1[3]-(draw.drawArea[1]+draw.drawArea[3]-draw.gridMargin[3])) < closeY) {
+		closeY = -(y+b1[3]-(draw.drawArea[1]+draw.drawArea[3]-draw.gridMargin[3]));
+	}
+	for (var p = 0; p < draw.path.length; p++) {
+		if (p == pathNum) continue;
+		var b2 = draw.path[p].tightBorder;
+		if (Math.abs(x-b2[4]) < closeX) {
+			closeX = -(x-b2[4]);
+		} else if (Math.abs(x+b1[2]-b2[0]) < closeX) {
+			closeX = -(x+b1[2]-b2[0]);		
+		} else if (Math.abs(x-b2[0]) < closeX) {
+			closeX = -(x-b2[0]);
+		} else if (Math.abs(x+b1[2]-b2[4]) < closeX) {
+			closeX = -(x+b1[2]-b2[4]);
+		}
+		if (Math.abs(y-b2[5]) < closeY) {
+			closeY = -(y-b2[5]);
+		} else if (Math.abs(y+b1[3]-b2[1]) < closeY) {
+			closeY = -(y+b1[3]-b2[1]);
+		} else if (Math.abs(y-b2[1]) < closeY) {
+			closeY = -(y-b2[1]);
+		} else if (Math.abs(y+b1[3]-b2[5]) < closeY) {
+			closeY = -(y+b1[3]-b2[5]);
+		}
+	}
+	var dx = Math.abs(closeX) < tol ? closeX : 0;
+	var dy = Math.abs(closeY) < tol ? closeY : 0;
+	return [dx,dy];
+}
+function gridSnapObjects() {
+	if (draw.gridSnap == true/* || shiftOn == true*/) {
+		var horiz = draw.horizSnap;
+		var vert = draw.vertSnap;
+		for (var i = 0; i < draw.path.length; i++) {
+			if (draw.path[i].selected == true) {
+				var xMin = 1200;
+				var xMax = 0;
+				var yMin = 700;
+				var yMax = 0;
+				for (var j = 0; j < draw.path[i].obj.length; j++) {
+					xMin = Math.min(xMin,draw.path[i].obj[j].left);
+					xMax = Math.max(xMax,draw.path[i].obj[j].left+draw.path[i].obj[j].width);
+					yMin = Math.min(yMin,draw.path[i].obj[j].top);
+					yMax = Math.max(yMax,draw.path[i].obj[j].top+draw.path[i].obj[j].height);
+				}
+				var dx,dy;
+				if (draw.horizSnap == 'center') {
+					dx = roundToNearest(((xMin + xMax) / 2),draw.gridSnapSize) - ((xMin + xMax) / 2);
+				} else if (draw.horizSnap == 'right') {
+					dx = roundToNearest(xMax,draw.gridSnapSize) - xMax;
+				} else {
+					dx = roundToNearest(xMin,draw.gridSnapSize) - xMin;										
+				}
+				if (draw.vertSnap == 'middle') {
+					dy = roundToNearest(((yMin + yMax) / 2),draw.gridSnapSize) - ((yMin + yMax) / 2);
+				} else if (draw.horizSnap == 'bottom') {
+					dy = roundToNearest(yMax,draw.gridSnapSize) - yMax;
+				} else {
+					dy = roundToNearest(yMin,draw.gridSnapSize) - yMin;										
+				}
+				repositionPath(draw.path[i],dx,dy,0,0);
+			}
+		}
+	}	
+}
+function updateSnapPoints() { // handles intersection points line snapping - for constructions tool
+	/*if (draw.snap == true) {
+		var intPoints = getIntersectionPoints(draw.path);
+		var endPoints = getEndPoints(draw.path);
+		draw.snapPoints = intPoints.concat(endPoints);
+	}*/	
+	draw.snapPoints = getIntersectionPoints(draw.path);
+	//showSnapPositions();
+}
+function showSnapPositions() {
+	var ctx = draw.drawCanvas.last().ctx;
+	var points = draw.snapPoints;
+	ctx.fillStyle = '#F00';
+	for (var i = 0; i < points.length; i++) {
+		ctx.beginPath();
+		ctx.arc(points[i][0],points[i][1],draw.snapTolerance,0,2*Math.PI);
+		ctx.fill();
+	}
+}
+
+function distributeHoriz() {
+	var tableSelected = false;
+	var s = selPaths();
+	//console.log(s,s.length == 1,s[0].obj.length == 1,(s[0].obj[0].type == 'table' || s[0].obj[0].type == 'table2'));
+	if (s.length == 1 && s[0].obj.length == 1 && (s[0].obj[0].type == 'table' || s[0].obj[0].type == 'table2')) {
+		tableSelected == true;
+	}
+	//if (tableCellsSelectionTest() == true) {
+	if (tableCellsSelectionTest() == true || tableSelected == true) {
+		for (var i = 0; i < draw.path.length; i++) {
+			if (draw.path[i].selected == true) {
+				for (var j = 0; j < draw.path[i].obj.length; j++) {
+					if (draw.path[i].obj[j].type == 'table' || draw.path[i].obj[j].type == 'table2') {
+						var obj = draw.path[i].obj[j];
+						var cells = obj.cells;
+						var cols = [];
+						var totalWidth = 0;
+						for (var r = 0; r < cells.length; r++) {
+							for (var c = 0; c < cells[r].length; c++) {
+								if (cols.indexOf(c) == -1 && cells[r][c].selected == true) {
+									cols.push(c);
+									if (obj.type == 'table') {
+										totalWidth += cells[r][c].minWidth;
+									} else if (obj.type == 'table2') {
+										totalWidth += obj.widths[c];
+									}
+								}
+							}
+						}
+						if (cols.length == 0) {
+							for (var c = 0; c < cells[0].length; c++) cols.push(c);
+						}
+						//console.log(cols);
+						for (var r = 0; r < cells.length; r++) {
+							for (var c = 0; c < cells[r].length; c++) {
+								if (cols.indexOf(c) > -1) {
+									if (obj.type == 'table') {
+										cells[r][c].minWidth = totalWidth / cols.length;
+									} else if (r == 0 && obj.type == 'table2') {
+										obj.widths[c] = totalWidth / cols.length;
+									}												
+								}
+							}
+						}
+						if (obj.type == 'table') {
+							var table = calcTable2(draw.path[i].obj[j]);
+							draw.path[i].obj[j].cell = table.cell;
+							draw.path[i].obj[j].xPos = table.xPos;
+							draw.path[i].obj[j].yPos = table.yPos;
+							draw.path[i].obj[j].width = table.xPos[table.xPos.length-1] - draw.path[i].obj[j].left;
+							draw.path[i].obj[j].height = table.yPos[table.yPos.length-1] - draw.path[i].obj[j].top;
+						}
+					}
+				}
+				repositionPath(draw.path[i]);
+				drawSelectedPaths();
+				repositionPath(draw.path[i]);
+			}
+		}
+
+	} else {
+		var sel = [];
+		var pos = [];				
+		var sel2 = [];
+		var pos2 = [];
+		for (var p = 0; p < draw.path.length; p++) {
+			if (draw.path[p].selected == true) {
+				sel2.push(p);
+				pos2.push(draw.path[p].tightBorder);
+			}
+		}
+		if (sel2.length < 2) return;
+		while (sel2.length > 0) { // reorder sel2 & pos2 by tightBorder[0] (left)
+			var index = 0;
+			var minLeft;
+			for (var p = 0; p < pos2.length; p++) {
+				if (p == 0) {
+					minLeft = pos2[p][0];
+				} else if (pos2[p][0] < minLeft) {
+					minLeft = pos2[p][0];
+					index = p;
+				}
+			}
+			sel.push(sel2[index]);
+			pos.push(clone(pos2[index]));
+			sel2.splice(index,1);
+			pos2.splice(index,1);
+		}
+		var xMin;
+		var xMax;
+		var totalWidth = 0;
+		for (var p = 0; p < pos.length; p++) {
+			totalWidth += pos[p][2];
+			if (p == 0) {
+				xMin = pos[p][0];
+				xMax = pos[p][4];
+			} else {
+				xMin = Math.min(xMin,pos[p][0]);
+				xMax = Math.max(xMax,pos[p][4]);
+			}
+		}
+		var gap = ((xMax-xMin) - totalWidth) / (sel.length-1);
+		var x = xMin;
+		for (var p = 0; p < pos.length; p++) {
+			repositionPath(draw.path[sel[p]],(x-pos[p][0]),0,0,0);
+			x += pos[p][2] + gap;
+		}
+		drawCanvasPaths();
+	}
+}
+function distributeVert() {
+	var tableSelected = false;
+	var s = selPaths();
+	if (s.length == 1 && s[0].obj.length == 1 && (s[0].obj[0].type == 'table' || s[0].obj[0].type == 'table2')) {
+		tableSelected == true;
+	}
+	//if (tableCellsSelectionTest() == true) {
+	if (tableCellsSelectionTest() == true || tableSelected == true) {
+		for (var i = 0; i < draw.path.length; i++) {
+			if (draw.path[i].selected == true) {
+				for (var j = 0; j < draw.path[i].obj.length; j++) {
+					if (draw.path[i].obj[j].type == 'table' || draw.path[i].obj[j].type == 'table2') {
+						var obj = draw.path[i].obj[j];
+						var type = obj.type;
+						var rows = [];
+						var totalHeight = 0;								
+						var cells = obj.cells;
+						for (var r = 0; r < cells.length; r++) {
+							for (var c = 0; c < cells[r].length; c++) {
+								if (rows.indexOf(r) == -1 && cells[r][c].selected == true) {
+									rows.push(r);
+									if (obj.type == 'table') {
+										totalHeight += cells[r][c].minHeight;
+									} else if (obj.type == 'table2') {
+										totalHeight += obj.heights[r];
+									}											
+								}
+							}
+						}
+						if (rows.length == 0) {
+							for (var r = 0; r < cells.length; r++) rows.push(r);
+						}
+						for (var r = 0; r < cells.length; r++) {
+							if (rows.indexOf(r) > -1) {
+								if (obj.type == 'table') {
+									for (var c = 0; c < cells[r].length; c++) {
+										cells[r][c].minHeight = totalHeight / rows.length;
+									}
+								} else if (obj.type == 'table2') {
+									obj.heights[r] = totalHeight / rows.length;
+								}
+							}
+						}
+						if (obj.type == 'table') {
+							var table = calcTable2(draw.path[i].obj[j]);
+							draw.path[i].obj[j].cell = table.cell;
+							draw.path[i].obj[j].xPos = table.xPos;
+							draw.path[i].obj[j].yPos = table.yPos;
+							draw.path[i].obj[j].width = table.xPos[table.xPos.length-1] - draw.path[i].obj[j].left;
+							draw.path[i].obj[j].height = table.yPos[table.yPos.length-1] - draw.path[i].obj[j].top;
+						}
+					}
+				}
+				repositionPath(draw.path[i]);
+				drawSelectedPaths();
+				repositionPath(draw.path[i]);				
+			}
+		}
+	
+	} else {
+		var sel = [];
+		var pos = [];				
+		var sel2 = [];
+		var pos2 = [];
+		for (var p = 0; p < draw.path.length; p++) {
+			if (draw.path[p].selected == true) {
+				sel2.push(p);
+				pos2.push(draw.path[p].tightBorder);
+			}
+		}
+		if (sel2.length < 2) return;
+		while (sel2.length > 0) { // reorder sel2 & pos2 by tightBorder[1] (top)
+			var index = 0;
+			var minTop;
+			for (var p = 0; p < pos2.length; p++) {
+				if (p == 0) {
+					minTop = pos2[p][1];
+				} else if (pos2[p][1] < minTop) {
+					minTop = pos2[p][1];
+					index = p;
+				}
+			}
+			sel.push(sel2[index]);
+			pos.push(clone(pos2[index]));
+			sel2.splice(index,1);
+			pos2.splice(index,1);
+		}
+		var yMin;
+		var yMax;
+		var totalHeight = 0;
+		for (var p = 0; p < pos.length; p++) {
+			totalHeight += pos[p][3];
+			if (p == 0) {
+				yMin = pos[p][1];
+				yMax = pos[p][5];
+			} else {
+				yMin = Math.min(yMin,pos[p][1]);
+				yMax = Math.max(yMax,pos[p][5]);
+			}
+		}
+		var gap = ((yMax-yMin) - totalHeight) / (sel.length-1);
+		var y = yMin;
+		for (var p = 0; p < pos.length; p++) {
+			repositionPath(draw.path[sel[p]],0,(y-pos[p][1]),0,0);
+			y += pos[p][3] + gap;
+		}
+		drawCanvasPaths();
+	}	
+}
+function centerDistributeText() {
+	for (var p = 0; p < draw.path.length; p++) {
+		var path = draw.path[p];
+		if (path.obj.length > 1 || path.obj[0].type !== 'text2') {
+			path.selected = false;
+			continue;
+		}
+		var obj = path.obj[0];
+		obj.text = removeTagsOfType(obj.text,'align');
+		obj.align = [0,0];
+		path.selected = true;
+		var x = (draw.drawArea[2]-path.tightBorder[2])/2;
+		repositionPath(path,x-path.tightBorder[0],0,0,0);
+	}
+	distributeVert();
+	deselectAllPaths();
+}
+
+function matchWidth() {
+	var paths = selPaths();
+	if (paths.length !== 2 || paths[0].obj.length !== 1 || paths[1].obj.length !== 1) {
+		console.log('error - check selected paths');
+		return;
+	}
+	paths.sort(function(a,b) {
+		if (Math.abs(a.obj[0].left-b.obj[0].left) > Math.abs(a.obj[0].top-b.obj[0].top)) {
+			return a.obj[0].left-b.obj[0].left;
+		} else {
+			return a.obj[0].top-b.obj[0].top;
+		}
+	});
+	if (paths[0].obj[0].type == 'table2' && paths[1].obj[0].type == 'table2') {
+		var t1 = paths[0].obj[0];
+		var t2 = paths[1].obj[0];
+		if (t1.widths.length == t2.widths.length) {
+			t2.widths = clone(t1.widths);
+		} else {
+			var width1 = arraySum(t1.widths);
+			var width2 = arraySum(t2.widths);
+			for (var w = 0; w < t2.widths.length; w++) {
+				t2.widths[w] = t2.widths[w] * width1 / width2;
+			}
+		}
+		updateBorder(paths[1]);
+		drawCanvasPaths();
+		return;
+	}
+	var width = getObjWidth(paths[0].obj[0]);
+	if (width > 0) {
+		setObjWidth(paths[1].obj[0],width);
+		updateBorder(paths[1]);
+		drawCanvasPaths();
+		return;
+	}
+	console.log('error - check selected paths');
+}
+function matchHeight() {
+	var paths = selPaths();
+	if (paths.length !== 2 || paths[0].obj.length !== 1 || paths[1].obj.length !== 1) {
+		console.log('error - check selected paths');
+		return;
+	}
+	paths.sort(function(a,b) {
+		if (Math.abs(a.obj[0].left-b.obj[0].left) > Math.abs(a.obj[0].top-b.obj[0].top)) {
+			return a.obj[0].left-b.obj[0].left;
+		} else {
+			return a.obj[0].top-b.obj[0].top;
+		}
+	});	
+	if (paths[0].obj[0].type == 'table2' && paths[1].obj[0].type == 'table2') {
+		var t1 = paths[0].obj[0];
+		var t2 = paths[1].obj[0];
+		if (t1.heights.length == t2.heights.length) {
+			t2.heights = clone(t1.heights);
+		} else {
+			var height1 = arraySum(t1.heights);
+			var height2 = arraySum(t2.heights);
+			for (var h = 0; h < t2.heights.length; h++) {
+				t2.heights[h] = t2.heights[h] * height1 / height2
+			}
+		}
+		updateBorder(paths[1]);
+		drawCanvasPaths();
+		return;
+	}
+	var height = getObjHeight(paths[0].obj[0]);
+	if (height > 0) {
+		setObjHeight(paths[1].obj[0],height);
+		updateBorder(paths[1]);
+		drawCanvasPaths();
+		return;
+	}	
+	console.log('error - check selected paths');
+}
+
+function hitTestPathRect(path,l,t,w,h) { // checks if center of path is in rect
+	if (typeof path.tightBorder == 'undefined') updateBorder(path);
+	var a = path.tightBorder;
+	var x = a[0]+a[2]/2;
+	var y = a[1]+a[3]/2;
+	//console.log(path,l,t,w,h,a,a[0] < l || a[1] < t || a[0]+a[2] > l+w || a[1]+a[3] > t+h);
+	if (x < l || y < t || x > l+w || y > t+h) return false;
+	return true;
+}
+
+function getObjWidth(obj) {
+	if (!un(draw[obj.type]) && typeof draw[obj.type].getWidth == 'function') return draw[obj.type].getWidth();
+	switch (obj.type) {
+		case 'table2':
+			return arraySum(obj.widths);
+		case 'text2':
+			return obj.rect[2];
+		case 'circle':
+			return obj.radius*2;
+		case 'ellipse':
+			return obj.radiusX*2;
+		default:
+			if (typeof obj.width == 'number') return obj.width;
+			return 0;
+	}
+}
+function setObjWidth(obj,width) {
+	if (!un(draw[obj.type]) && typeof draw[obj.type].setWidth == 'function') {
+		draw[obj.type].setWidth(width);
+	}
+	switch (obj.type) {
+		case 'table2':
+			var oldWidth = arraySum(obj.widths);
+			for (var w = 0; w < obj.widths.length; w++) {
+				obj.widths[w] = obj.widths[w] * width / oldWidth;
+			}
+			break;
+		case 'text2':
+			obj.rect[2] = width;
+			break;
+		case 'circle':
+			obj.radius = width/2;
+			break;
+		case 'ellipse':
+			obj.radiusX = width/2;
+			break;
+		default:
+			if (!un(obj.width)) obj.width = width;
+			break;
+	}	
+}
+function getObjHeight(obj) {
+	if (!un(draw[obj.type]) && typeof draw[obj.type].getHeight == 'function') return draw[obj.type].getHeight();
+	switch (obj.type) {
+		case 'table2':
+			return arraySum(obj.heights);
+		case 'text2':
+			return obj.rect[3];
+		case 'circle':
+			return obj.radius*2;
+		case 'ellipse':
+			return obj.radiusY*2;
+		default:
+			if (typeof obj.height == 'number') return obj.height;
+			return 0;
+	}
+}
+function setObjHeight(obj,height) {
+	if (!un(draw[obj.type]) && typeof draw[obj.type].setHeight == 'function') {
+		draw[obj.type].setHeight(height);
+	}
+	switch (obj.type) {
+		case 'table2':
+			var oldHeight = arraySum(obj.heights);
+			for (var h = 0; h < obj.heights.length; h++) {
+				obj.heights[h] = obj.heights[h] * height / oldHeight;
+			}
+			break;
+		case 'text2':
+			obj.rect[3] = height;
+			break;
+		case 'circle':
+			obj.radius = height/2;
+			break;
+		case 'ellipse':
+			obj.radiusY = height/2;
+			break;
+		default:
+			if (!un(obj.height)) obj.height = height;
+			break;
+	}	
+}
+
+draw.pathsMatchSize = function(paths) {
+	if (un(paths)) paths = selPaths();
+	if (paths.length < 2) return;
+	var firstPath = paths[0];
+	for (var p = 1; p < paths.length; p++) {
+		path = paths[p];
+		if (path.tightBorder[0] - firstPath.tightBorder[0] < -40 || path.tightBorder[1] - firstPath.tightBorder[1] < -40 ) {
+			firstPath = path;
+		}
+	}
+	for (var p = 0; p < paths.length; p++) {
+		path = paths[p];
+		if (path === firstPath) continue;
+		repositionPath(path,0,0,firstPath.tightBorder[2]-path.tightBorder[2],firstPath.tightBorder[3]-path.tightBorder[3]);
+	}
+	drawCanvasPaths();
+}
+draw.pathsArrangeToGrid = function(paths) {
+	if (un(paths)) paths = selPaths();	
+	if (paths.length < 2) return;
+	var left,right,top,bottom;
+	for (var p = 0; p < paths.length; p++) {
+		path = paths[p];
+		path.__rect = {left:path.tightBorder[0],top:path.tightBorder[1],width:path.tightBorder[2],height:path.tightBorder[3],right:path.tightBorder[0]+path.tightBorder[2],bottom:path.tightBorder[1]+path.tightBorder[3],center:path.tightBorder[0]+0.5*path.tightBorder[2],middle:path.tightBorder[1]+0.5*path.tightBorder[3]};
+		left = un(left) ? path.__rect.center : Math.min(left,path.__rect.center);
+		right = un(right) ? path.__rect.center : Math.max(right,path.__rect.center);
+		top = un(top) ? path.__rect.middle : Math.min(top,path.__rect.middle);
+		bottom = un(bottom) ? path.__rect.middle : Math.max(bottom,path.__rect.middle);
+	}
+	paths.sort(function(a,b) {
+		if (Math.abs(a.__rect.middle-b.__rect.middle) > 40) return a.__rect.middle-b.__rect.middle;
+		if (Math.abs(a.__rect.center-b.__rect.center) > 40) return a.__rect.center-b.__rect.center;
+	});
+	var cols = 0;
+	var rows = 0;
+	paths[0].__rect.col = 0;
+	paths[0].__rect.row = 0;
+	for (var p = 1; p < paths.length; p++) {
+		path0 = paths[p-1];
+		path1 = paths[p];
+		if (Math.abs(path0.__rect.middle-path1.__rect.middle) <= 40) {
+			path1.__rect.row = path0.__rect.row;
+			path1.__rect.col = path0.__rect.col+1;
+		} else {
+			path1.__rect.row = path0.__rect.row+1;
+			path1.__rect.col = 0;
+		}
+		cols = Math.max(cols,path1.__rect.col+1);
+		rows = Math.max(rows,path1.__rect.row+1);
+	}
+	var xPos = [];
+	var yPos = [];
+	for (var i = 0; i < cols; i++) xPos.push(left+i*(right-left)/(Math.max(1,cols-1)));
+	for (var i = 0; i < rows; i++) yPos.push(top+i*(bottom-top)/Math.max(1,(rows-1)));
+	for (var p = 0; p < paths.length; p++) {
+		path = paths[p];
+		var x = xPos[path.__rect.col]-path.tightBorder[2]/2;
+		var y = yPos[path.__rect.row]-path.tightBorder[3]/2;
+		positionPath(path,x,y);
+	}
+	drawCanvasPaths();
+}
+
+/*draw.controlPanel2 = {
+	addctx:function(rect) {
+		draw.controlPanel2.ctx = newctx({rect:rect,pE:true,z:1000000000000,vis:true});
+		draw.controlPanel2.ctx.canvas.style.backgroundColor = '#FFC';
+		addListenerMove(draw.controlPanel2.ctx.canvas,draw.controlPanel2.move);
+		addListenerStart(draw.controlPanel2.ctx.canvas,draw.controlPanel2.start);
+	},
+	data:{elements:[]},
+	cursorPositions:[],
+	defaultData:{
+		elements:[{name:'Style',type:'style'}]
+	},
+	clear: function() {
+		draw.controlPanel2.data = {elements:[]};
+		draw.controlPanel2.cursorPositions = [];
+		draw.controlPanel2.ctx.clear();
+	},
+	getSelObj: function() {
+		var selCount = 0;
+		var selObj = 'none';
+		for (var p = 0; p < draw.path.length; p++) {
+			if (draw.path[p].selected == true) {
+				selCount++;
+				if (draw.path[p].obj.length == 1) {
+					selObj = draw.path[p].obj[0];
+				} else {
+					selObj = 'grouped';
+				}
+			}
+		}
+		if (selCount > 1) {
+			return 'multiple';
+		} else {
+			return selObj;
+		}	
+	},
+	draw: function() {
+		var ctx = draw.controlPanel2.ctx;
+		ctx.clear();
+		var pos = [0,0,draw.controlPanel2.ctx.data[2],draw.controlPanel2.ctx.data[3]];
+		
+		var obj = getSelObj();
+		if (typeof obj == 'string') {
+			var objType = obj;
+			obj = false;
+		} else {
+			var objType = obj.type;
+		}
+		var path = selPath();
+		
+		var selType = typeof draw.getSelType == 'function' ? draw.getSelType() : 'none';
+		if (['text2','table2','table2-cell','table2-cells'].indexOf(selType) > -1) {
+			if (textMenu.canvas.parentNode !== container) textMenu.show();
+			textMenu.position(draw.controlPanel2.ctx.data[0]+37.5/2,draw.controlPanel2.ctx.data[1]+300);
+		} else {
+			if (textMenu.canvas.parentNode == container) textMenu.hide();
+		}
+		
+		draw.controlPanel2.path = path;
+		draw.controlPanel2.obj = obj;
+		draw.controlPanel2.clear();
+		draw.controlPanel2.data = draw.controlPanel2.defaultData;
+		
+		if (obj !== false && !un(draw[obj.type]) && !un(draw[obj.type].getControlPanel)) {
+			draw.controlPanel2.data = draw[obj.type].getControlPanel(obj);
+		}
+			
+		var cursorPos = [];
+		var elements = draw.controlPanel2.data.elements;
+		var top = pos[1]+10;
+		for (var e = 0; e < elements.length; e++) {
+			var element = elements[e];
+			var bold = boolean(element.bold,true);
+			var fontSize = element.fontSize || 20;
+			var margin = element.margin*pos[2] || 0;
+			text({ctx:ctx,rect:[pos[0]+10+margin,top,pos[2]-20,40],align:[-1,-1],text:['<<fontSize:'+fontSize+'>><<bold:'+bold+'>>'+element.name]});
+			switch (element.type) {
+				case 'style':
+					var w = 0.4*pos[2]/3;
+					var space = 0.6*pos[2]/4;
+					var l = pos[0]+space;
+					var t = top+50;
+					
+					var strokeStyle = (obj !== false && !un(obj.type) && !un(draw[obj.type]) && !un(draw[obj.type].getLineColor)) ? draw[obj.type].getLineColor(obj) : draw.color;
+					text({ctx:ctx,align:[0,-1],rect:[l,top+25,w,w],text:['<<fontSize:18>>line']})
+					ctx.beginPath();
+					cursorPos.push({shape:'rect',dims:[l,t,w,w],cursor:draw.cursors.pointer,element:element,type:'openLineColor',obj:obj});
+					if (strokeStyle == 'none') {
+						ctx.strokeStyle = '#000';
+						ctx.lineWidth = 2;
+						ctx.strokeRect(l,t,w,w);
+						ctx.moveTo(l,t);
+						ctx.lineTo(l+w,t+w);
+						ctx.moveTo(l+w,t);
+						ctx.lineTo(l,t+w);
+						ctx.stroke();
+					} else {
+						ctx.fillStyle = strokeStyle;
+						ctx.fillRect(l,t,w,w);
+						ctx.strokeStyle = '#000';
+						ctx.lineWidth = 2;
+						ctx.strokeRect(l,t,w,w);
+					}
+					
+					l += space+w;
+					var lineWidth = (obj !== false && !un(obj.type) && !un(draw[obj.type]) && !un(draw[obj.type].getLineWidth)) ? draw[obj.type].getLineWidth(obj) : draw.lineWidth;
+					text({ctx:ctx,align:[0,-1],rect:[l,top+25,w,w],text:['<<fontSize:18>>width']})
+					var minusRect = [l-0.3*w,t+0.1*w,0.8*w,0.8*w];
+					var plusRect = [l-0.3*w+0.8*w,t+0.1*w,0.8*w,0.8*w];
+					drawPlusButton(ctx,plusRect);
+					drawMinusButton(ctx,minusRect);
+					cursorPos.push({shape:'rect',dims:plusRect,cursor:draw.cursors.pointer,element:element,type:'lineWidthPlus',obj:obj});
+					cursorPos.push({shape:'rect',dims:minusRect,cursor:draw.cursors.pointer,element:element,type:'lineWidthMinus',obj:obj});
+					
+					l += space+w;
+					var fillStyle = (obj !== false && !un(obj.type) && !un(draw[obj.type]) && !un(draw[obj.type].getFillColor)) ? draw[obj.type].getFillColor(obj) : draw.fillColor;
+					text({ctx:ctx,align:[0,-1],rect:[l,top+25,w,w],text:['<<fontSize:18>>fill']})
+					cursorPos.push({shape:'rect',dims:[l,t,w,w],cursor:draw.cursors.pointer,element:element,type:'openFillColor',obj:obj});
+					ctx.beginPath();
+					if (fillStyle == 'none') {
+						ctx.strokeStyle = '#000';
+						ctx.lineWidth = 2;
+						ctx.strokeRect(l,t,w,w);
+						ctx.moveTo(l,t);
+						ctx.lineTo(l+w,t+w);
+						ctx.moveTo(l+w,t);
+						ctx.lineTo(l,t+w);
+						ctx.stroke();
+					} else {
+						ctx.fillStyle = fillStyle;
+						ctx.fillRect(l,t,w,w);
+						ctx.strokeStyle = '#000';
+						ctx.lineWidth = 2;
+						ctx.strokeRect(l,t,w,w);
+					}
+					
+					top += 100;
+					break;
+				case 'toggle':
+					var rect = [pos[0]+pos[2]*0.1,top+2,16,16];
+					ctx.lineWidth = 2;
+					ctx.strokeStyle = '#000';
+					ctx.fillStyle = '#FFF';
+					ctx.fillRect(rect[0],rect[1],rect[2],rect[3]);
+					ctx.strokeRect(rect[0],rect[1],rect[2],rect[3]);
+					if (element.get(obj)) drawTick(ctx,16,20,'#060',pos[0]+pos[2]*0.1,top,3);
+					cursorPos.push({shape:'rect',dims:[pos[0]+pos[2]*0.1,top,0.8*pos[2],20],cursor:draw.cursors.pointer,element:element,set:element.set,type:'toggle',obj:obj});
+					top += 30;
+					break;
+				case 'increment':
+					var minusRect = [pos[0]+pos[2]*0.7,top+2,22,22];
+					var plusRect = [pos[0]+pos[2]*0.7+22,top+2,22,22];
+					drawPlusButton(ctx,plusRect);
+					drawMinusButton(ctx,minusRect);
+					cursorPos.push({shape:'rect',dims:plusRect,cursor:draw.cursors.pointer,element:element,type:'increment',value:1,increment:element.increment,obj:obj});
+					cursorPos.push({shape:'rect',dims:minusRect,cursor:draw.cursors.pointer,element:element,type:'increment',value:-1,increment:element.increment,obj:obj});
+					top += 40;
+					break;
+				case 'slider':
+					var sliderLeft = pos[0]+0.55*pos[2];
+					var sliderWidth = 0.3*pos[2];
+					ctx.lineWidth = 2;
+					ctx.strokeStyle = '#000';
+					ctx.beginPath();
+					ctx.moveTo(sliderLeft,top+15);
+					ctx.lineTo(sliderLeft+sliderWidth,top+15);
+					ctx.stroke();
+					if (typeof element.value == 'string') {
+						var value = obj[element.value];
+					} else if (typeof element.value == 'function') {
+						var value = element.value(obj);
+					} else if (!un(element.get)) {
+						var value = element.get(obj);
+					}
+					var xPos = sliderLeft + sliderWidth*(value-element.min)/(element.max-element.min);
+					ctx.fillStyle = '#00F';
+					ctx.beginPath();
+					ctx.arc(xPos,top+15,8,0,2*Math.PI);
+					ctx.fill();
+					cursorPos.push({shape:'circle',dims:[xPos,top+15,8],cursor:draw.cursors.pointer,element:element,type:'slider',obj:obj,sliderLeft:sliderLeft,sliderWidth:sliderWidth});
+					top += 30;
+					break;
+				case 'multiSelect':
+					var cells = [], rows = 0, cols = 0, heights = [], widths = [];
+					var selected = element.get(obj);
+					for (var r = 0; r < element.options.length; r++) {
+						cells[r] = [];
+						rows++;
+						heights.push(30);
+						for (var c = 0; c < element.options[r].length; c++) {
+							var txt = !un(element.options[r][c]) ? element.options[r][c] : '';
+							cells[r][c] = {};
+							if (text !== '' && selected.toLowerCase() == txt.toLowerCase()) {
+								cells[r][c].color = '#3FF';
+							}
+							cells[r][c].text = ['<<fontSize:18>>'+txt];
+							cols = Math.max(cols,c);
+						}
+					}
+					for (var c = 0; c < cols+1; c++) widths.push(0.8*pos[2]/(cols+1));
+					var table = drawTable3({ctx:ctx,left:pos[0]+pos[2]*0.1,top:top+30,widths:widths,heights:heights,cells:cells,outerBorder:{width:2,color:'#000',dash:[]},innerBorder:{width:1,color:'#000',dash:[]}});
+					
+					for (var r = 0; r < table.cell.length; r++) {
+						for (var c = 0; c < table.cell[r].length; c++) {
+							var cell = table.cell[r][c];
+							cursorPos.push({shape:'rect',dims:[cell.left,cell.top,cell.width,cell.height],cursor:draw.cursors.pointer,element:element,set:element.set,type:'multiSelect',value:element.options[r][c],obj:obj});
+						}
+					}
+					
+					top += (rows+1)*30+10;
+					break;
+				case 'tableBorder':
+					top += 30;
+					
+					break;
+				case 'lineDec':	
+					top += 30;
+					ctx.translate(10,0);
+						var selected = 0;
+						if (obj.endStart == 'open' && obj.endStartSize == 10) selected = 1;
+						if (obj.endStart == 'closed' && obj.endStartSize == 10) selected = 2;
+						if (obj.endStart == 'open' && obj.endStartSize == 15) selected = 3;
+						if (obj.endStart == 'closed' && obj.endStartSize == 15) selected = 4;
+						
+						for (var i = 0; i < 5; i++) {
+							ctx.fillStyle = i == selected ? '#66F' : '#CCF';
+							ctx.fillRect(0,i*40+top,60,40);
+							var kind = ['none','open','closed','open','closed'][i];
+							var size = [0,10,10,15,15][i];
+							cursorPos.push({shape:'rect',dims:[10,i*40+top,60,40],cursor:draw.cursors.pointer,type:'lineDecEndStart',kind:kind,size:size,obj:obj});
+						}
+						
+						ctx.lineWidth = 3;
+						ctx.strokeStyle = '#000';
+						ctx.beginPath();
+						for (var i = 0; i < 5; i++) {
+							ctx.moveTo(20,i*40+20+top);
+							ctx.lineTo(60,i*40+20+top);
+						}
+						ctx.stroke();
+					
+						drawArrow({context:ctx,startX:60,startY:top+60,finX:20,finY:top+60,arrowLength:10,color:'#000',lineWidth:2,arrowLineWidth:3});
+						drawArrow({context:ctx,startX:60,startY:top+100,finX:20,finY:top+100,arrowLength:10,color:'#000',lineWidth:2,arrowLineWidth:3,fillArrow:true});
+						drawArrow({context:ctx,startX:60,startY:top+140,finX:20,finY:top+140,arrowLength:15,color:'#000',lineWidth:2,arrowLineWidth:3});
+						drawArrow({context:ctx,startX:60,startY:top+180,finX:20,finY:top+180,arrowLength:15,color:'#000',lineWidth:2,arrowLineWidth:3,fillArrow:true});	
+					ctx.translate(-10,0);
+					ctx.translate(70,0);
+						var selected = 0;
+						if (obj.endMid == 'dash' && obj.endMidSize == 10) selected = 1;
+						if (obj.endMid == 'dash2' && obj.endMidSize == 10) selected = 2;
+						if (obj.endMid == 'open' && obj.endMidSize == 15) selected = 3;
+						if (obj.endMid == 'open2' && obj.endMidSize == 15) selected = 4;
+						
+						for (var i = 0; i < 5; i++) {
+							ctx.fillStyle = i == selected ? '#66F' : '#CCF';
+							ctx.fillRect(0,i*40+top,60,40);
+							var kind = ['none','dash','dash2','open','open2'][i];
+							var size = [0,10,10,15,15][i];
+							cursorPos.push({shape:'rect',dims:[70,i*40+top,60,40],cursor:draw.cursors.pointer,type:'lineDecEndMid',kind:kind,size:size,obj:obj});
+						}			
+						
+						ctx.lineWidth = 3;
+						ctx.strokeStyle = '#000';
+						ctx.beginPath();
+						for (var i = 0; i < 5; i++) {
+							ctx.moveTo(0,i*40+20+top);
+							ctx.lineTo(60,i*40+20+top);
+						}
+						ctx.stroke();
+					
+						drawDash(ctx,0,top+60,60,top+60,8);
+						drawDoubleDash(ctx,0,top+100,60,top+100,8);
+						drawParallelArrow({context:ctx,startX:0,startY:top+140,finX:60,finY:top+140,arrowLength:10,lineWidth:3});
+						drawParallelArrow({context:ctx,startX:0,startY:top+180,finX:60,finY:top+180,arrowLength:10,lineWidth:3,numOfArrows:2});	
+					ctx.translate(-70,0);
+					ctx.translate(130,0);
+						var selected = 0;
+						if (obj.endFin == 'open' && obj.endFinSize == 10) selected = 1;
+						if (obj.endFin == 'closed' && obj.endFinSize == 10) selected = 2;
+						if (obj.endFin == 'open' && obj.endFinSize == 15) selected = 3;
+						if (obj.endFin == 'closed' && obj.endFinSize == 15) selected = 4;
+						
+						for (var i = 0; i < 5; i++) {
+							ctx.fillStyle = i == selected ? '#66F' : '#CCF';
+							ctx.fillRect(0,i*40+top,60,40);
+							var kind = ['none','open','closed','open','closed'][i];
+							var size = [0,10,10,15,15][i];
+							cursorPos.push({shape:'rect',dims:[130,i*40+top,60,40],cursor:draw.cursors.pointer,type:'lineDecEndFin',kind:kind,size:size,obj:obj});
+						}
+						
+						ctx.lineWidth = 3;
+						ctx.strokeStyle = '#000';
+						ctx.beginPath();
+						for (var i = 0; i < 5; i++) {
+							ctx.moveTo(0,i*40+20+top);
+							ctx.lineTo(40,i*40+20+top);
+						}
+						ctx.stroke();
+					
+						drawArrow({context:ctx,startX:0,startY:top+60,finX:40,finY:top+60,arrowLength:10,color:'#000',lineWidth:2,arrowLineWidth:3});
+						drawArrow({context:ctx,startX:0,startY:top+100,finX:40,finY:top+100,arrowLength:10,color:'#000',lineWidth:2,arrowLineWidth:3,fillArrow:true});
+						drawArrow({context:ctx,startX:0,startY:top+140,finX:40,finY:top+140,arrowLength:15,color:'#000',lineWidth:2,arrowLineWidth:3});
+						drawArrow({context:ctx,startX:0,startY:top+180,finX:40,finY:top+180,arrowLength:15,color:'#000',lineWidth:2,arrowLineWidth:3,fillArrow:true});	
+					ctx.translate(-130,0);
+
+					ctx.lineWidth = 2;
+					ctx.strokeStyle = '#000';
+					ctx.beginPath();
+					for (var i = 0; i < 6; i++) {
+						ctx.moveTo(10,i*40+top);
+						ctx.lineTo(190,i*40+top);
+					}
+					for (var i = 0; i < 4; i++) {
+						ctx.moveTo(10+i*60,top);
+						ctx.lineTo(10+i*60,top+200);
+					}
+					ctx.stroke();
+					
+					top += 200+10;
+					break;
+				case 'curveDec':	
+					top += 30;
+					ctx.translate(10,0);
+						var selected = 0;
+						if (obj.endStart == 'open' && obj.endStartSize == 10) selected = 1;
+						if (obj.endStart == 'closed' && obj.endStartSize == 10) selected = 2;
+						if (obj.endStart == 'open' && obj.endStartSize == 15) selected = 3;
+						if (obj.endStart == 'closed' && obj.endStartSize == 15) selected = 4;
+						
+						for (var i = 0; i < 5; i++) {
+							ctx.fillStyle = i == selected ? '#66F' : '#CCF';
+							ctx.fillRect(0,i*40+top,60,40);
+							var kind = ['none','open','closed','open','closed'][i];
+							var size = [0,10,10,15,15][i];
+							cursorPos.push({shape:'rect',dims:[10,i*40+top,60,40],cursor:draw.cursors.pointer,type:'lineDecEndStart',kind:kind,size:size,obj:obj});
+						}
+						
+						ctx.lineWidth = 3;
+						ctx.strokeStyle = '#000';
+						ctx.beginPath();
+						for (var i = 0; i < 5; i++) {
+							ctx.moveTo(20,i*40+20+top);
+							ctx.lineTo(60,i*40+20+top);
+						}
+						ctx.stroke();
+					
+						drawArrow({context:ctx,startX:60,startY:top+60,finX:20,finY:top+60,arrowLength:10,color:'#000',lineWidth:2,arrowLineWidth:3});
+						drawArrow({context:ctx,startX:60,startY:top+100,finX:20,finY:top+100,arrowLength:10,color:'#000',lineWidth:2,arrowLineWidth:3,fillArrow:true});
+						drawArrow({context:ctx,startX:60,startY:top+140,finX:20,finY:top+140,arrowLength:15,color:'#000',lineWidth:2,arrowLineWidth:3});
+						drawArrow({context:ctx,startX:60,startY:top+180,finX:20,finY:top+180,arrowLength:15,color:'#000',lineWidth:2,arrowLineWidth:3,fillArrow:true});	
+					ctx.translate(-10,0);
+					ctx.translate(70,0);
+						var selected = 0;
+						if (obj.endFin == 'open' && obj.endFinSize == 10) selected = 1;
+						if (obj.endFin == 'closed' && obj.endFinSize == 10) selected = 2;
+						if (obj.endFin == 'open' && obj.endFinSize == 15) selected = 3;
+						if (obj.endFin == 'closed' && obj.endFinSize == 15) selected = 4;
+						
+						for (var i = 0; i < 5; i++) {
+							ctx.fillStyle = i == selected ? '#66F' : '#CCF';
+							ctx.fillRect(0,i*40+top,60,40);
+							var kind = ['none','open','closed','open','closed'][i];
+							var size = [0,10,10,15,15][i];
+							cursorPos.push({shape:'rect',dims:[70,i*40+top,60,40],cursor:draw.cursors.pointer,type:'lineDecEndFin',kind:kind,size:size,obj:obj});
+						}
+						
+						ctx.lineWidth = 3;
+						ctx.strokeStyle = '#000';
+						ctx.beginPath();
+						for (var i = 0; i < 5; i++) {
+							ctx.moveTo(0,i*40+20+top);
+							ctx.lineTo(40,i*40+20+top);
+						}
+						ctx.stroke();
+					
+						drawArrow({context:ctx,startX:0,startY:top+60,finX:40,finY:top+60,arrowLength:10,color:'#000',lineWidth:2,arrowLineWidth:3});
+						drawArrow({context:ctx,startX:0,startY:top+100,finX:40,finY:top+100,arrowLength:10,color:'#000',lineWidth:2,arrowLineWidth:3,fillArrow:true});
+						drawArrow({context:ctx,startX:0,startY:top+140,finX:40,finY:top+140,arrowLength:15,color:'#000',lineWidth:2,arrowLineWidth:3});
+						drawArrow({context:ctx,startX:0,startY:top+180,finX:40,finY:top+180,arrowLength:15,color:'#000',lineWidth:2,arrowLineWidth:3,fillArrow:true});	
+					ctx.translate(-70,0);
+
+					ctx.lineWidth = 2;
+					ctx.strokeStyle = '#000';
+					ctx.beginPath();
+					for (var i = 0; i < 6; i++) {
+						ctx.moveTo(10,i*40+top);
+						ctx.lineTo(130,i*40+top);
+					}
+					for (var i = 0; i < 3; i++) {
+						ctx.moveTo(10+i*60,top);
+						ctx.lineTo(10+i*60,top+200);
+					}
+					ctx.stroke();
+					
+					top += 200+10;
+					break;
+			}
+		}
+		if (!un(draw.controlPanel2.colorMenu)) {
+			var type = draw.controlPanel2.colorMenu.type;
+			var pos2 = draw.controlPanel2.colorMenu.pos;
+			var width = 30, padding = 10, rows = 6, cols = 4;
+			if (draw.drawArea[0]+draw.drawArea[2]-pos2[0] < width*cols+2*padding) {
+				pos2[0] = draw.drawArea[0]+draw.drawArea[2]-(width*cols+2*padding);
+			}
+			roundedRect(ctx,pos2[0],pos2[1],width*cols+2*padding,width*rows+2*padding,5,2,'#000','#FFF');
+			cursorPos.push({shape:'rect',dims:[pos2[0],pos2[1],width*cols+2*padding,width*rows+2*padding],cursor:draw.cursors.default});
+			var colors = [
+				['none','#F00','#F99','#FCC'],
+				['#000','#090','#9F9','#CFC'],
+				['#666','#00F','#99F','#CCF'],
+				['#999','#FF0','#FF9','#FFC'],
+				['#CCC','#F0F','#F9F','#FCF'],
+				['#FFF','#0FF','#9FF','#CFF'],
+			]
+			ctx.strokeStyle = '#000';
+			ctx.lineWidth = 1;
+			for (var r = 0; r < colors.length; r++) {
+				var t = pos2[1]+padding+r*width;
+				for (var c = 0; c < colors[r].length; c++) {
+					var l = pos2[0]+padding+c*width;
+					if (colors[r][c] == 'none') {
+						ctx.beginPath();
+						ctx.moveTo(l,t);
+						ctx.lineTo(l+width,t+width);
+						ctx.moveTo(l+width,t);
+						ctx.lineTo(l,t+width);
+						ctx.stroke();
+					} else {
+						ctx.fillStyle = colors[r][c];
+						ctx.fillRect(l,t,width,width);
+					}
+					ctx.strokeRect(l,t,width,width);
+					cursorPos.push({shape:'rect',dims:[l,t,width,width],cursor:draw.cursors.pointer,element:element,type:type,color:colors[r][c],obj:obj});
+				}
+			}
+			
+		}
+		cursorPos.unshift({shape:'rect',dims:[pos[0],pos[1],pos[2],top+10-pos[1]],cursor:draw.cursors.default});
+		draw.controlPanel2.cursorPositions = cursorPos;
+		function drawPlusButton(ctx,rect,fillStyle) {
+			if (un(fillStyle)) fillStyle = '#CCC';
+			ctx.fillStyle = fillStyle;
+			ctx.strokeStyle = '#000';
+			ctx.lineWidth = 2;
+			ctx.fillRect(rect[0],rect[1],rect[2],rect[3]);
+			ctx.strokeRect(rect[0],rect[1],rect[2],rect[3]);
+			ctx.beginPath();
+			ctx.moveTo(rect[0]+0.25*rect[2],rect[1]+0.5*rect[3]);
+			ctx.lineTo(rect[0]+0.75*rect[2],rect[1]+0.5*rect[3]);
+			ctx.moveTo(rect[0]+0.5*rect[2],rect[1]+0.25*rect[3]);
+			ctx.lineTo(rect[0]+0.5*rect[2],rect[1]+0.75*rect[3]);
+			ctx.stroke();
+		}
+		function drawMinusButton(ctx,rect,fillStyle) {
+			if (un(fillStyle)) fillStyle = '#CCC';
+			ctx.fillStyle = fillStyle;
+			ctx.strokeStyle = '#000';
+			ctx.lineWidth = 2;
+			ctx.fillRect(rect[0],rect[1],rect[2],rect[3]);
+			ctx.strokeRect(rect[0],rect[1],rect[2],rect[3]);
+			ctx.beginPath();
+			ctx.moveTo(rect[0]+0.25*rect[2],rect[1]+0.5*rect[3]);
+			ctx.lineTo(rect[0]+0.75*rect[2],rect[1]+0.5*rect[3]);
+			ctx.stroke();
+		}
+	},
+	move:function(e) {
+		updateMouse(e);
+		delete draw.controlPanel2.currCursor;
+		draw.controlPanel2.ctx.canvas.style.cursor = 'default';
+		var x = mouse.x - draw.controlPanel2.ctx.data[0];
+		var y = mouse.y - draw.controlPanel2.ctx.data[1];
+		for (var p = 0; p < draw.controlPanel2.cursorPositions.length; p++) {
+			var pos = draw.controlPanel2.cursorPositions[p];
+			if (draw.cursorPosHitTest(pos,x,y) == true) {
+				draw.controlPanel2.currCursor = pos;
+				draw.controlPanel2.ctx.canvas.style.cursor = pos.cursor;
+			}
+		}
+		
+	},
+	start: function(e) {
+		if (un(draw.controlPanel2.currCursor)) return;
+		var obj = draw.controlPanel2.obj;
+		var element = draw.controlPanel2.currCursor.element;
+		var type = draw.controlPanel2.currCursor.type;
+		if (type == 'slider') {
+			draw.drag = {prev:[mouse.x,mouse.y],element:element,obj:obj,sliderLeft:draw.controlPanel2.currCursor.sliderLeft,sliderWidth:draw.controlPanel2.currCursor.sliderWidth};
+			addListenerMove(window,draw.controlPanel2.move2);
+			addListenerEnd(window,draw.controlPanel2.stop);
+			draw.drawCanvas[draw.drawCanvas.length-2].style.cursor = draw.controlPanel2.currCursor.cursor;
+		} else if (type == 'multiSelect') {
+			draw.controlPanel2.currCursor.set(obj,draw.controlPanel2.currCursor.value);
+			drawSelectedPaths();
+		} else if (type == 'openLineColor') {
+			if (!un(draw.controlPanel2.colorMenu) && draw.controlPanel2.colorMenu.type == 'lineColor') {
+				delete draw.controlPanel2.colorMenu;
+			} else {
+				var dims = draw.controlPanel2.currCursor.dims;
+				draw.controlPanel2.colorMenu = {type:'lineColor',pos:[0,dims[1]+dims[3]]};
+			}
+		} else if (type == 'openFillColor') {
+			if (!un(draw.controlPanel2.colorMenu) && draw.controlPanel2.colorMenu.type == 'fillColor') {
+				delete draw.controlPanel2.colorMenu;
+			} else {
+				var dims = draw.controlPanel2.currCursor.dims;
+				draw.controlPanel2.colorMenu = {type:'fillColor',pos:[0,dims[1]+dims[3]]};
+			}
+		} else if (type == 'lineColor') {
+			draw.setObjStrokeStyle(obj,draw.controlPanel2.currCursor.color);
+			if (obj == false) draw.color = draw.controlPanel2.currCursor.color;
+			delete draw.controlPanel2.colorMenu;
+		} else if (type == 'fillColor') {
+			draw.setObjFillStyle(obj,draw.controlPanel2.currCursor.color);
+			if (obj == false) draw.fillColor = draw.controlPanel2.currCursor.color;
+			delete draw.controlPanel2.colorMenu;
+		} else if (type == 'lineWidthPlus') {
+			if (obj !== false) {
+				if (!un(draw[obj.type]) && !un(draw[obj.type].getLineWidth)) {
+					var width = draw[obj.type].getLineWidth(obj);
+					draw[obj.type].setLineWidth(obj,Math.min(8,width+1));
+				} else if (!un(obj.thickness)) {
+					obj.thickness = Math.min(8,obj.thickness+1);
+				} else if (!un(obj.lineWidth)) {
+					obj.lineWidth = Math.min(8,obj.lineWidth+1);
+				}
+			} else {
+				draw.thickness = Math.min(8,draw.thickness+1);
+			}
+		} else if (type == 'lineWidthMinus') {
+			if (obj !== false) {
+				if (!un(draw[obj.type]) && !un(draw[obj.type].getLineWidth)) {
+					var width = draw[obj.type].getLineWidth(obj);
+					draw[obj.type].setLineWidth(obj,Math.max(1,width-1));
+				} else if (!un(obj.thickness)) {
+					obj.thickness = Math.max(1,obj.thickness-1);
+				} else if (!un(obj.lineWidth)) {
+					obj.lineWidth = Math.max(1,obj.lineWidth-1);
+				}
+			} else {
+				draw.thickness = Math.max(1,draw.thickness-1);
+			}
+		} else if (type == 'toggle') {
+			draw.controlPanel2.currCursor.set(obj);
+		} else if (type == 'increment') {
+			draw.controlPanel2.currCursor.increment(obj,draw.controlPanel2.currCursor.value);
+		} else if (type == 'lineDecEndStart') {
+			obj.endStart = draw.controlPanel2.currCursor.kind;
+			obj.endStartSize = draw.controlPanel2.currCursor.size;
+		} else if (type == 'lineDecEndMid') {
+			obj.endMid = draw.controlPanel2.currCursor.kind;
+			obj.endMidSize = draw.controlPanel2.currCursor.size;
+		} else if (type == 'lineDecEndFin') {
+			obj.endFin = draw.controlPanel2.currCursor.kind;
+			obj.endFinSize = draw.controlPanel2.currCursor.size;
+		}
+		if (['openLineColor','openFillColor'].includes(type) == false) {
+			delete draw.controlPanel2.colorMenu;
+		}
+		drawCanvasPaths();
+		drawSelectCanvas();
+		calcCursorPositions();		
+	},
+	move2: function(e) {
+		updateMouse(e);
+		var x = mouse.x - draw.controlPanel2.ctx.data[0];
+		var y = mouse.y - draw.controlPanel2.ctx.data[1];
+		var obj = draw.drag.obj;
+		var element = draw.drag.element;
+		if (element.type == 'slider') {
+			var value = bound(element.min+(element.max-element.min)*(x-draw.drag.sliderLeft)/draw.drag.sliderWidth,element.min,element.max,element.step);
+			if (!un(element.set)) {
+				element.set(obj,value);
+			} else {
+				obj[element.value] = value;
+			}
+		}
+		drawCanvasPaths();
+	},
+	stop: function(e) {
+		delete draw.drag;
+		removeListenerMove(window,draw.controlPanel2.move2);
+		removeListenerEnd(window,draw.controlPanel2.stop);
+	}
+};
+*/
+draw.setObjFillStyle = function(obj,color) {
+	if (obj == false || un(obj.type)) return;
+	if (!un(draw[obj.type]) && !un(draw[obj.type].setFillColor)) {
+		draw[obj.type].setFillColor(obj,color);
+		return;
+	}
+	
+	if (!un(obj.fillColor)) {
+		obj.fillColor = color;
+	} else if (!un(obj.fillStyle)) {
+		obj.fillStyle = color;
+	}
+	
+	if (['table2'].indexOf(obj.type) > -1) {
+		var selCount = draw.table2.countSelectedCells(obj);
+		var cells = selCount == 0 ? draw.table2.getAllCells(obj) : draw.table2.getSelectedCells(obj);
+		for (var c = 0; c < cells.length; c++) {
+			var cell = cells[c];
+			if (!un(cell.box)) {
+				cell.box.color = color;
+			} else {
+				if (color !== 'none') {
+					cell.box = {
+						color:color,
+						lineColor:'none',
+						borderWidth:3,
+						borderRadius:0,
+						show:true
+					}
+				}
+			}
+		}
+	}
+}
+draw.setObjStrokeStyle = function(obj,color) {
+	if (obj == false || un(obj.type)) return;
+	if (!un(draw[obj.type]) && !un(draw[obj.type].setLineColor)) {
+		draw[obj.type].setLineColor(obj,color);
+		return;
+	}
+	if (!un(obj.color)) {
+		obj.color = color;
+	} else if (!un(obj.lineColor)) {
+		obj.lineColor = color;
+	} else if (!un(obj.strokeStyle)) {
+		obj.strokeStyle = color;
+	}
+
+	if (['table2'].indexOf(obj.type) > -1) {
+		var selCount = draw.table2.countSelectedCells(obj);
+		var cells = selCount == 0 ? draw.table2.getAllCells(obj) : draw.table2.getSelectedCells(obj);
+		for (var c = 0; c < cells.length; c++) {
+			var cell = cells[c];
+			if (!un(cell.box)) {
+				cell.box.borderColor = color;
+			} else {
+				if (color !== 'none') {
+					cell.box = {
+						color:'none',
+						borderColor:color,
+						borderWidth:3,
+						borderRadius:0,
+						show:true
+					}
+				}
+			}
+		}
+	}
+}
+draw.controlPanel = {
+	data:{elements:[]},
+	cursorPositions:[],
+	clear: function() {
+		draw.controlPanel.data = {elements:[]};
+		draw.controlPanel.cursorPositions = [];
+	},
+	draw: function(ctx,obj,path,controlPanelData,pos) {
+		if (draw.mode === 'interact') return;
+		draw.controlPanel.path = path;
+		draw.controlPanel.obj = obj;
+		draw.controlPanel.clear();
+		if (!un(controlPanelData)) {
+			draw.controlPanel.data = controlPanelData;
+		} else {
+			if (un(draw[obj.type]) || un(draw[obj.type].getControlPanel)) return;
+			draw.controlPanel.data = draw[obj.type].getControlPanel(obj);
+		}
+		var cursorPos = [];
+		var elements = draw.controlPanel.data.elements;
+		var width = draw.controlPanel.data.width || 200;
+		if (un(pos)) {
+			if (draw.drawArea[0]+draw.drawArea[2]-path.border[4] >= width) {
+				var pos = [path.border[4],path.border[1],width];
+			} else {
+				var pos = [path.border[0]-width,path.border[1],width];
+			}
+		}
+		var top = pos[1]+10;
+		for (var e = 0; e < elements.length; e++) {
+			var element = elements[e];
+			var bold = boolean(element.bold,true);
+			var fontSize = element.fontSize || 20;
+			var margin = element.margin*pos[2] || 0;
+			text({ctx:ctx,rect:[pos[0]+10+margin,top,pos[2]-20,40],align:[-1,-1],text:['<<fontSize:'+fontSize+'>><<bold:'+bold+'>>'+element.name]});
+			switch (element.type) {
+				case 'style':
+					var w = 0.4*pos[2]/3;
+					var space = 0.6*pos[2]/4;
+					var l = pos[0]+space;
+					var t = top+50;
+					
+					var strokeStyle = draw[obj.type].getLineColor(obj);
+					text({ctx:ctx,align:[0,-1],rect:[l,top+25,w,w],text:['<<fontSize:18>>line']})
+					ctx.beginPath();
+					cursorPos.push({shape:'rect',dims:[l,t,w,w],cursor:draw.cursors.pointer,element:element,type:'openLineColor',obj:obj,func:draw.controlPanel.start});
+					if (strokeStyle == 'none') {
+						ctx.strokeStyle = '#000';
+						ctx.lineWidth = 2;
+						ctx.strokeRect(l,t,w,w);
+						ctx.moveTo(l,t);
+						ctx.lineTo(l+w,t+w);
+						ctx.moveTo(l+w,t);
+						ctx.lineTo(l,t+w);
+						ctx.stroke();
+					} else {
+						ctx.fillStyle = strokeStyle;
+						ctx.fillRect(l,t,w,w);
+						ctx.strokeStyle = '#000';
+						ctx.lineWidth = 2;
+						ctx.strokeRect(l,t,w,w);
+					}
+					
+					l += space+w;
+					var fillStyle = draw[obj.type].getLineWidth(obj);
+					text({ctx:ctx,align:[0,-1],rect:[l,top+25,w,w],text:['<<fontSize:18>>width']})
+					var minusRect = [l-0.3*w,t+0.1*w,0.8*w,0.8*w];
+					var plusRect = [l-0.3*w+0.8*w,t+0.1*w,0.8*w,0.8*w];
+					drawPlusButton(ctx,plusRect);
+					drawMinusButton(ctx,minusRect);
+					cursorPos.push({shape:'rect',dims:plusRect,cursor:draw.cursors.pointer,element:element,type:'lineWidthPlus',obj:obj,func:draw.controlPanel.start});
+					cursorPos.push({shape:'rect',dims:minusRect,cursor:draw.cursors.pointer,element:element,type:'lineWidthMinus',obj:obj,func:draw.controlPanel.start});
+					
+					
+					l += space+w;
+					var fillStyle = draw[obj.type].getFillColor(obj);
+					text({ctx:ctx,align:[0,-1],rect:[l,top+25,w,w],text:['<<fontSize:18>>fill']})
+					cursorPos.push({shape:'rect',dims:[l,t,w,w],cursor:draw.cursors.pointer,element:element,type:'openFillColor',obj:obj,func:draw.controlPanel.start});
+					ctx.beginPath();
+					if (fillStyle == 'none') {
+						ctx.strokeStyle = '#000';
+						ctx.lineWidth = 2;
+						ctx.strokeRect(l,t,w,w);
+						ctx.moveTo(l,t);
+						ctx.lineTo(l+w,t+w);
+						ctx.moveTo(l+w,t);
+						ctx.lineTo(l,t+w);
+						ctx.stroke();
+					} else {
+						ctx.fillStyle = fillStyle;
+						ctx.fillRect(l,t,w,w);
+						ctx.strokeStyle = '#000';
+						ctx.lineWidth = 2;
+						ctx.strokeRect(l,t,w,w);
+					}
+					
+					top += 90;
+					break;
+				case 'toggle':
+					var rect = [pos[0]+pos[2]*0.1,top+2,16,16];
+					ctx.lineWidth = 2;
+					ctx.strokeStyle = '#000';
+					ctx.fillStyle = '#FFF';
+					ctx.fillRect(rect[0],rect[1],rect[2],rect[3]);
+					ctx.strokeRect(rect[0],rect[1],rect[2],rect[3]);
+					if (element.get(obj)) drawTick(ctx,16,20,'#060',pos[0]+pos[2]*0.1,top,3);
+					cursorPos.push({shape:'rect',dims:[pos[0]+pos[2]*0.1,top,0.8*pos[2],20],cursor:draw.cursors.pointer,element:element,set:element.set,type:'toggle',obj:obj,func:draw.controlPanel.start});
+					top += 30;
+					break;
+				case 'increment':
+					var minusRect = [pos[0]+pos[2]*0.7,top+2,22,22];
+					var plusRect = [pos[0]+pos[2]*0.7+22,top+2,22,22];
+					drawPlusButton(ctx,plusRect);
+					drawMinusButton(ctx,minusRect);
+					cursorPos.push({shape:'rect',dims:plusRect,cursor:draw.cursors.pointer,element:element,type:'increment',value:1,increment:element.increment,obj:obj,func:draw.controlPanel.start});
+					cursorPos.push({shape:'rect',dims:minusRect,cursor:draw.cursors.pointer,element:element,type:'increment',value:-1,increment:element.increment,obj:obj,func:draw.controlPanel.start});
+					top += 40;
+					break;
+				case 'slider':
+					var sliderLeft = pos[0]+0.55*pos[2];
+					var sliderWidth = 0.3*pos[2];
+					ctx.lineWidth = 2;
+					ctx.strokeStyle = '#000';
+					ctx.beginPath();
+					ctx.moveTo(sliderLeft,top+15);
+					ctx.lineTo(sliderLeft+sliderWidth,top+15);
+					ctx.stroke();
+					if (typeof element.value == 'string') {
+						var value = obj[element.value];
+					} else if (typeof element.value == 'function') {
+						var value = element.value(obj);
+					} else if (!un(element.get)) {
+						var value = element.get(obj);
+					}
+					var xPos = sliderLeft + sliderWidth*(value-element.min)/(element.max-element.min);
+					ctx.fillStyle = '#00F';
+					ctx.beginPath();
+					ctx.arc(xPos,top+15,8,0,2*Math.PI);
+					ctx.fill();
+					cursorPos.push({shape:'circle',dims:[xPos,top+15,8],cursor:draw.cursors.pointer,element:element,type:'slider',obj:obj,func:draw.controlPanel.start,sliderLeft:sliderLeft,sliderWidth:sliderWidth});
+					top += 30;
+					break;
+				case 'multiSelect':
+					var cells = [], rows = 0, cols = 0, heights = [], widths = [];
+					var selected = element.get(obj);
+					for (var r = 0; r < element.options.length; r++) {
+						cells[r] = [];
+						rows++;
+						heights.push(30);
+						for (var c = 0; c < element.options[r].length; c++) {
+							var txt = !un(element.options[r][c]) ? element.options[r][c] : '';
+							cells[r][c] = {};
+							if (text !== '' && selected.toLowerCase() == txt.toLowerCase()) {
+								cells[r][c].color = '#3FF';
+							}
+							cells[r][c].text = ['<<fontSize:18>>'+txt];
+							cols = Math.max(cols,c);
+						}
+					}
+					for (var c = 0; c < cols+1; c++) widths.push(0.8*pos[2]/(cols+1));
+					var table = drawTable3({ctx:ctx,left:pos[0]+pos[2]*0.1,top:top+30,widths:widths,heights:heights,cells:cells,outerBorder:{width:2,color:'#000',dash:[]},innerBorder:{width:1,color:'#000',dash:[]}});
+					
+					for (var r = 0; r < table.cell.length; r++) {
+						for (var c = 0; c < table.cell[r].length; c++) {
+							var cell = table.cell[r][c];
+							cursorPos.push({shape:'rect',dims:[cell.left,cell.top,cell.width,cell.height],cursor:draw.cursors.pointer,element:element,set:element.set,type:'multiSelect',value:element.options[r][c],obj:obj,func:draw.controlPanel.start});
+						}
+					}
+					
+					top += (rows+1)*30+10;
+					break;
+			}
+		}
+		if (!un(draw.controlPanel.colorMenu)) {
+			var type = draw.controlPanel.colorMenu.type;
+			var pos2 = draw.controlPanel.colorMenu.pos;
+			var width = 30, padding = 10, rows = 6, cols = 4;
+			if (draw.drawArea[0]+draw.drawArea[2]-pos2[0] < width*cols+2*padding) {
+				pos2[0] = draw.drawArea[0]+draw.drawArea[2]-(width*cols+2*padding);
+			}
+			roundedRect(ctx,pos2[0],pos2[1],width*cols+2*padding,width*rows+2*padding,5,2,'#000','#FFF');
+			cursorPos.push({shape:'rect',dims:[pos2[0],pos2[1],width*cols+2*padding,width*rows+2*padding],cursor:draw.cursors.default});
+			var colors = [
+				['none','#F00','#F99','#FCC'],
+				['#000','#090','#9F9','#CFC'],
+				['#666','#00F','#99F','#CCF'],
+				['#999','#FF0','#FF9','#FFC'],
+				['#CCC','#F0F','#F9F','#FCF'],
+				['#FFF','#0FF','#9FF','#CFF'],
+			]
+			ctx.strokeStyle = '#000';
+			ctx.lineWidth = 1;
+			for (var r = 0; r < colors.length; r++) {
+				var t = pos2[1]+padding+r*width;
+				for (var c = 0; c < colors[r].length; c++) {
+					var l = pos2[0]+padding+c*width;
+					if (colors[r][c] == 'none') {
+						ctx.beginPath();
+						ctx.moveTo(l,t);
+						ctx.lineTo(l+width,t+width);
+						ctx.moveTo(l+width,t);
+						ctx.lineTo(l,t+width);
+						ctx.stroke();
+					} else {
+						ctx.fillStyle = colors[r][c];
+						ctx.fillRect(l,t,width,width);
+					}
+					ctx.strokeRect(l,t,width,width);
+					cursorPos.push({shape:'rect',dims:[l,t,width,width],cursor:draw.cursors.pointer,element:element,type:type,color:colors[r][c],obj:obj,func:draw.controlPanel.start});
+				}
+			}
+			
+		}
+		ctx.globalCompositeOperation = 'destination-over';
+		roundedRect(ctx,pos[0],pos[1],pos[2],top+10-pos[1],0,3,'#000','#FFC');
+		ctx.globalCompositeOperation = 'source-over';
+		cursorPos.unshift({shape:'rect',dims:[pos[0],pos[1],pos[2],top+10-pos[1]],cursor:draw.cursors.default});
+		draw.controlPanel.cursorPositions = cursorPos;
+		function drawPlusButton(ctx,rect,fillStyle) {
+			if (un(fillStyle)) fillStyle = '#CCC';
+			ctx.fillStyle = fillStyle;
+			ctx.strokeStyle = '#000';
+			ctx.lineWidth = 2;
+			ctx.fillRect(rect[0],rect[1],rect[2],rect[3]);
+			ctx.strokeRect(rect[0],rect[1],rect[2],rect[3]);
+			ctx.beginPath();
+			ctx.moveTo(rect[0]+0.25*rect[2],rect[1]+0.5*rect[3]);
+			ctx.lineTo(rect[0]+0.75*rect[2],rect[1]+0.5*rect[3]);
+			ctx.moveTo(rect[0]+0.5*rect[2],rect[1]+0.25*rect[3]);
+			ctx.lineTo(rect[0]+0.5*rect[2],rect[1]+0.75*rect[3]);
+			ctx.stroke();
+		}
+		function drawMinusButton(ctx,rect,fillStyle) {
+			if (un(fillStyle)) fillStyle = '#CCC';
+			ctx.fillStyle = fillStyle;
+			ctx.strokeStyle = '#000';
+			ctx.lineWidth = 2;
+			ctx.fillRect(rect[0],rect[1],rect[2],rect[3]);
+			ctx.strokeRect(rect[0],rect[1],rect[2],rect[3]);
+			ctx.beginPath();
+			ctx.moveTo(rect[0]+0.25*rect[2],rect[1]+0.5*rect[3]);
+			ctx.lineTo(rect[0]+0.75*rect[2],rect[1]+0.5*rect[3]);
+			ctx.stroke();
+		}
+	},
+	start: function() {
+		var obj = draw.controlPanel.obj;
+		var element = draw.currCursor.element;
+		var type = draw.currCursor.type;
+		if (type == 'slider') {
+			draw.drag = {prev:[mouse.x,mouse.y],element:element,obj:obj,sliderLeft:draw.currCursor.sliderLeft,sliderWidth:draw.currCursor.sliderWidth};
+			draw.animate(draw.controlPanel.move,draw.controlPanel.stop,drawCanvasPaths);			
+			//addListenerMove(window,draw.controlPanel.move);
+			//addListenerEnd(window,draw.controlPanel.stop);
+			draw.drawCanvas[draw.drawCanvas.length-2].style.cursor = draw.currCursor.cursor;
+		} else if (type == 'multiSelect') {
+			draw.currCursor.set(obj,draw.currCursor.value);
+			drawSelectedPaths();
+		} else if (type == 'openLineColor') {
+			if (!un(draw.controlPanel.colorMenu) && draw.controlPanel.colorMenu.type == 'lineColor') {
+				delete draw.controlPanel.colorMenu;
+			} else {
+				var dims = draw.currCursor.dims;
+				draw.controlPanel.colorMenu = {type:'lineColor',pos:[dims[0],dims[1]+dims[3]]};
+			}
+		} else if (type == 'openFillColor') {
+			if (!un(draw.controlPanel.colorMenu) && draw.controlPanel.colorMenu.type == 'fillColor') {
+				delete draw.controlPanel.colorMenu;
+			} else {
+				var dims = draw.currCursor.dims;
+				draw.controlPanel.colorMenu = {type:'fillColor',pos:[dims[0],dims[1]+dims[3]]};
+			}
+		} else if (type == 'lineColor') {
+			draw[obj.type].setLineColor(obj,draw.currCursor.color);
+			delete draw.controlPanel.colorMenu;
+		} else if (type == 'fillColor') {
+			draw[obj.type].setFillColor(obj,draw.currCursor.color);
+			delete draw.controlPanel.colorMenu;
+		} else if (type == 'lineWidthPlus') {
+			var width = draw[obj.type].getLineWidth(obj);
+			draw[obj.type].setLineWidth(obj,Math.min(8,width+1));
+		} else if (type == 'lineWidthMinus') {
+			var width = draw[obj.type].getLineWidth(obj);
+			draw[obj.type].setLineWidth(obj,Math.max(1,width-1));
+		} else if (type == 'toggle') {
+			draw.currCursor.set(obj);
+		} else if (type == 'increment') {
+			draw.currCursor.increment(obj,draw.currCursor.value);
+		}
+		if (['openLineColor','openFillColor'].includes(type) == false) {
+			delete draw.controlPanel.colorMenu;
+		}
+		drawCanvasPaths();
+		drawSelectCanvas();
+		calcCursorPositions();		
+	},
+	move: function(e) {
+		updateMouse(e);
+		var obj = draw.drag.obj;
+		var element = draw.drag.element;
+		if (element.type == 'slider') {
+			var value = bound(element.min+(element.max-element.min)*(mouse.x-draw.drag.sliderLeft)/draw.drag.sliderWidth,element.min,element.max,element.step);
+			if (!un(element.set)) {
+				element.set(obj,value);
+			} else {
+				obj[element.value] = value;
+			}
+		}
+		//drawCanvasPaths();
+	},
+	stop: function(e) {
+		delete draw.drag;
+		//removeListenerMove(window,draw.controlPanel.move);
+		//removeListenerEnd(window,draw.controlPanel.stop);
+	}
+};
+function angleStyleIncrement(angle) {
+	angle.style = (angle.style+1) % 7;
+	switch (angle.style) {
+		case 0:
+			angle.drawCurve = false;
+			angle.numOfCurves = 1;
+			angle.fill = false;
+			break;
+		case 1:
+			angle.drawCurve = true;
+			angle.numOfCurves = 1;
+			angle.fill = false;
+			break;
+		case 2:
+			angle.drawCurve = true;
+			angle.numOfCurves = 2;
+			angle.fill = false;
+			break;
+		case 3:
+			angle.drawCurve = true;
+			angle.numOfCurves = 3;
+			angle.fill = false;
+			break;				
+		case 4:
+			angle.drawCurve = true;
+			angle.numOfCurves = 1;
+			angle.fill = true;
+			angle.fillColor = '#CFC';
+			break;
+		case 5:
+			angle.drawCurve = true;
+			angle.numOfCurves = 1;
+			angle.fill = true;
+			angle.fillColor = '#FCF';		
+			break;
+		case 6:
+			angle.drawCurve = true;
+			angle.numOfCurves = 1;
+			angle.fill = true;
+			angle.fillColor = '#CCF';		
+			break;
+	}	
+	return angle;
+}
+
+/****************************/
+/* PROTRACTOR RULER COMPASS */
+/****************************/
+
+function getRelPos(pos) {
+	if (un(pos)) pos = [mouse.x,mouse.y];
+	return [pos[0]-draw.drawRelPos[0],pos[1]-draw.drawRelPos[1]];
+	//return [(pos[0]-draw.drawRelPos[0])/draw.scale,(pos[1]-draw.drawRelPos[1])/draw.scale];
+}
+function drawClickProtractorStartMove() {
+	moveToolToFront('protractor');
+	draw.cursorCanvas.style.cursor = draw.cursors.move1;
+	draw.animate(protractorDragMove,protractorDragStop,drawToolsCanvas);
+	changeDrawMode('protractorMove');
+}
+function protractorDragMove(e) {
+	updateMouse(e);
+	var center = [
+		draw.mouse[0]-draw.protractor.relSelPoint[0],
+		draw.mouse[1]-draw.protractor.relSelPoint[1]
+	];
+	center = snapToObj2(center,-1);
+	
+	draw.protractor.center[0] = center[0];
+	draw.protractor.center[1] = center[1];	
+	//drawToolsCanvas();
+}
+function protractorDragStop(e) {
+	changeDrawMode('prev');
+}
+
+function drawClickProtractorStartRotate() {
+	moveToolToFront('protractor');
+	draw.animate(protractorRotateMove,protractorRotateStop,drawToolsCanvas);
+	changeDrawMode('protractorRotate');
+}
+function protractorRotateMove(e) {
+	updateMouse(e);
+	
+	draw.protractor.angle += measureAngle({c:draw.mouse,b:[draw.protractor.center[0],draw.protractor.center[1]],a:[draw.protractor.prevX,draw.protractor.prevY],angleType:'radians'});
+	
+	draw.protractor.prevX = draw.mouse[0];
+	draw.protractor.prevY = draw.mouse[1];
+}
+function protractorRotateStop(e) {
+	changeDrawMode('prev');
+}
+
+function drawClickRulerStartMove() {
+	moveToolToFront('ruler');
+	//addListenerMove(window,rulerDragMove);
+	//addListenerEnd(window,rulerDragStop);
+	draw.animate(rulerDragMove,rulerDragStop,drawToolsCanvas);	
+	changeDrawMode('rulerMove');
+}
+function rulerDragMove(e) {
+	updateMouse(e);
+	
+	draw.ruler.left += draw.mouse[0]-draw.ruler.prevX;
+	draw.ruler.top += draw.mouse[1]-draw.ruler.prevY;
+	recalcRulerValues();
+	//drawToolsCanvas();
+	
+	draw.ruler.prevX = draw.mouse[0];
+	draw.ruler.prevY = draw.mouse[1];
+}
+function rulerDragStop(e) {
+	changeDrawMode('prev');
+}
+
+function drawClickRulerStartRotate1() {
+	moveToolToFront('ruler');
+	//addListenerMove(window,rulerRotateMove1);
+	//addListenerEnd(window,rulerRotateStop);
+	draw.animate(rulerRotateMove1,rulerRotateStop,drawToolsCanvas);	
+	changeDrawMode('rulerRotate');
+}
+function drawClickRulerStartRotate2() {
+	moveToolToFront('ruler');
+	//addListenerMove(window,rulerRotateMove2);
+	//addListenerEnd(window,rulerRotateStop);
+	draw.animate(rulerRotateMove2,rulerRotateStop,drawToolsCanvas);		
+	changeDrawMode('rulerRotate');
+}
+function rulerRotateMove1(e) {
+	updateMouse(e);
+	
+	dAngle = measureAngle({c:draw.mouse,b:[draw.ruler.centerX2,draw.ruler.centerY2],a:[draw.ruler.prevX,draw.ruler.prevY],angleType:'radians'});
+	draw.ruler.angle += dAngle;
+	draw.ruler.left = (draw.ruler.centerX2 - 0.98*draw.ruler.length*Math.cos(draw.ruler.angle));
+	draw.ruler.top = (draw.ruler.centerY2 - 0.98*draw.ruler.length*Math.sin(draw.ruler.angle));
+	recalcRulerValues();
+	//drawToolsCanvas();	
+	
+	draw.ruler.prevX = draw.mouse[0];
+	draw.ruler.prevY = draw.mouse[1];
+}
+function rulerRotateMove2(e) {
+	updateMouse(e);
+	
+	draw.ruler.angle += measureAngle({c:draw.mouse,b:[draw.ruler.centerX1,draw.ruler.centerY1],a:[draw.ruler.prevX,draw.ruler.prevY],angleType:'radians'});
+	recalcRulerValues();
+	//drawToolsCanvas();
+	
+	draw.ruler.prevX = draw.mouse[0];
+	draw.ruler.prevY = draw.mouse[1];
+}
+function rulerRotateStop(e) {
+	changeDrawMode('prev');
+}
+function drawClickRulerRotate180() {
+	moveToolToFront('ruler');
+	draw.ruler.angle += Math.PI;
+	draw.ruler.left += 2*draw.ruler.centerRel[0];
+	draw.ruler.top += 2*draw.ruler.centerRel[1];
+	recalcRulerValues();
+	drawToolsCanvas();
+}
+
+
+function drawClickRulerStartDraw1() {
+	//console.log('drawClickRulerStartDraw1');
+	moveToolToFront('ruler');
+	draw.drawing = true;
+	drawCanvasPaths();
+	var obj = {
+		type:'line',
+		color:draw.color,
+		thickness:draw.thickness,
+		startPos:[draw.startX,draw.startY]
+	};
+	if (!un(draw.dash) && draw.dash.length > 0) obj.dash = clone(draw.dash);	
+	draw.path.push({obj:[obj],selected:false});
+	//addListenerMove(window,rulerDrawMove1);
+	//addListenerEnd(window,lineDrawStop);	
+	draw.animate(rulerDrawMove1,lineDrawStop,drawSelectedPaths);	
+}
+function rulerDrawMove1(e) {
+	updateMouse(e);
+	
+	var newPos = closestPointOnLineSegment(draw.mouse,draw.ruler.edgePos1,draw.ruler.edgePos2);
+	draw.path[draw.path.length-1].obj[0].finPos = newPos;
+	//drawSelectedPaths();	
+}
+
+function drawClickRulerStartDraw2() {
+	//console.log('drawClickRulerStartDraw2');
+	moveToolToFront('ruler');
+	draw.drawing = true;
+	drawCanvasPaths();
+	var obj = {
+		type:'line',
+		color:draw.color,
+		thickness:draw.thickness,
+		startPos:[draw.startX,draw.startY]
+	};
+	if (!un(draw.dash) && draw.dash.length > 0) obj.dash = clone(draw.dash);	
+	draw.path.push({obj:[obj],selected:false});
+	//addListenerMove(window,rulerDrawMove2);
+	//addListenerEnd(window,lineDrawStop);	
+	draw.animate(rulerDrawMove2,lineDrawStop,drawSelectedPaths);	
+}
+function rulerDrawMove2(e) {
+	updateMouse(e);
+	var newPos = closestPointOnLineSegment(draw.mouse,draw.ruler.edgePos3,draw.ruler.edgePos4);
+	draw.path[draw.path.length-1].obj[0].finPos = newPos;
+	//drawSelectedPaths();	
+}
+
+function drawClickCompassLock() {
+	moveToolToFront('compass');
+	draw.compass.radiusLocked = !draw.compass.radiusLocked;
+	drawToolsCanvas();	
+}
+
+function drawClickCompassStartDraw(e) {
+	updateMouse(e);	
+	moveToolToFront('compass');
+	draw.compass.mode = 'draw';
+	draw.drawing = true;
+	changeDrawMode('compassDraw');
+	var obj = {
+		type:'arc',
+		color:draw.color,
+		thickness:draw.thickness,
+		center:draw.compass.center1.slice(0),
+		radius:draw.compass.radius,
+		startAngle:draw.compass.angle,
+		finAngle:draw.compass.angle,
+		clockwise:true
+	};
+	if (!un(draw.dash) && draw.dash.length > 0) obj.dash = clone(draw.dash);
+	draw.path.push({obj:[obj],selected:false});
+	drawCanvasPaths();
+	//addListenerMove(window,compassDrawMove);
+	//addListenerEnd(window,compassDrawStop);
+	draw.animate(compassDrawMove,compassDrawStop,function() {
+		drawSelectedPaths();
+		drawToolsCanvas();
+	});
+}
+function compassDrawMove(e) {
+	updateMouse(e);
+	
+	var dAngle = measureAngle({c:draw.mouse,b:[draw.compass.center1[0],draw.compass.center1[1]],a:[draw.compass.prevX,draw.compass.prevY],angleType:'radians'});
+	if (dAngle > Math.PI) {
+		draw.compass.angle -= dAngle = 2*Math.PI-dAngle;
+	} else {
+		draw.compass.angle += dAngle;
+	}
+	var angle = (draw.compass.angle%(2*Math.PI));
+	if (angle < 0) angle += 2*Math.PI;
+	if (angle > 0.5 * Math.PI && angle < 1.5 * Math.PI) {
+		draw.compass.drawOn = 'left';	
+	} else {
+		draw.compass.drawOn = 'right';
+	}
+	draw.compass.center3[0] = draw.compass.center1[0]+draw.compass.radius*Math.cos(draw.compass.angle);
+	draw.compass.center3[1] = draw.compass.center1[1]+draw.compass.radius*Math.sin(draw.compass.angle);
+	
+	/*var snapNewCenter3 = snapToObj2(draw.compass.center3,-1);
+	if (snapNewCenter3[0] !== draw.compass.center3[0] || snapNewCenter3[1] !== draw.compass.center3[1]) {		
+		draw.compass.angle = getAngleFromAToB(snapNewCenter3,draw.compass.center1);
+		var angle = (draw.compass.angle%(2*Math.PI));
+		if (angle < 0) angle += 2*Math.PI;
+		if (angle > 0.5 * Math.PI && angle < 1.5 * Math.PI) {
+			draw.compass.drawOn = 'left';	
+		} else {
+			draw.compass.drawOn = 'right';
+		}
+		draw.compass.center3[0] = draw.compass.center1[0]+draw.compass.radius*Math.cos(draw.compass.angle);
+		draw.compass.center3[1] = draw.compass.center1[1]+draw.compass.radius*Math.sin(draw.compass.angle);
+	}*/
+	
+	if (draw.compass.drawOn == 'right') {
+		draw.compass.center2[0] = draw.compass.center1[0]+0.5*draw.compass.radius*Math.cos(draw.compass.angle)+draw.compass.h*Math.sin(draw.compass.angle);
+		draw.compass.center2[1] = draw.compass.center1[1]+0.5*draw.compass.radius*Math.sin(draw.compass.angle)-draw.compass.h*Math.cos(draw.compass.angle);
+	} else {
+		draw.compass.center2[0] = draw.compass.center1[0]+0.5*draw.compass.radius*Math.cos(draw.compass.angle)-draw.compass.h*Math.sin(draw.compass.angle);
+		draw.compass.center2[1] = draw.compass.center1[1]+0.5*draw.compass.radius*Math.sin(draw.compass.angle)+draw.compass.h*Math.cos(draw.compass.angle);			
+	}	
+
+	var mp1 = midpoint(draw.compass.center1[0],draw.compass.center1[1],draw.compass.center3[0],draw.compass.center3[1]);
+	var mp2 = midpoint(draw.compass.center2[0],draw.compass.center2[1],mp1[0],mp1[1]);
+	draw.compass.lockCenter = mp2;
+
+	draw.path[draw.path.length-1].obj[0].startAngle = Math.min(draw.path[draw.path.length-1].obj[0].startAngle,draw.compass.angle);
+	draw.path[draw.path.length-1].obj[0].finAngle = Math.max(draw.path[draw.path.length-1].obj[0].finAngle,draw.compass.angle);	
+	
+	recalcCompassValues();
+	//drawSelectedPaths();
+	//drawToolsCanvas();
+	
+	draw.compass.prevX = draw.mouse[0];
+	draw.compass.prevY = draw.mouse[1];
+}
+function compassDrawStop(e) {
+	//removeListenerMove(window,compassDrawMove);
+	//removeListenerEnd(window,compassDrawStop);	
+	draw.compass.mode = 'none';
+	draw.drawing = false;
+	changeDrawMode('prev');
+	recalcCompassValues();
+	drawToolsCanvas();
+	// simplify angles to between 0 and 360
+	var angle1 = draw.path[draw.path.length-1].obj[0].startAngle;
+	var angle2 = draw.path[draw.path.length-1].obj[0].finAngle;
+	if (angle1 > angle2) {
+		draw.path[draw.path.length-1].obj[0].clockwise = true;
+	} else {
+		draw.path[draw.path.length-1].obj[0].clockwise = false;
+	}
+	if (Math.abs(angle1 - angle2) > 2 * Math.PI) {
+		draw.path[draw.path.length-1].obj[0].startAngle = 0;
+		draw.path[draw.path.length-1].obj[0].finAngle = 2 * Math.PI;
+		draw.path[draw.path.length-1].obj[0].clockwise = true;
+	} else {
+		while (angle1 < 0) {angle1 += 2 * Math.PI;}
+		while (angle2 < 0) {angle2 += 2 * Math.PI;}
+		while (angle1 > 2 * Math.PI) {angle1 -= 2 * Math.PI;}
+		while (angle2 > 2 * Math.PI) {angle2 -= 2 * Math.PI;}
+		if (draw.path[draw.path.length-1].obj[0].clockwise == true) {
+			draw.path[draw.path.length-1].obj[0].startAngle = angle1;
+			draw.path[draw.path.length-1].obj[0].finAngle = angle2;
+		} else {
+			draw.path[draw.path.length-1].obj[0].startAngle = angle2;
+			draw.path[draw.path.length-1].obj[0].finAngle = angle1;			
+		}
+	}
+	//console.log(draw.path[draw.path.length-1].startAngle,draw.path[draw.path.length-1].finAngle,draw.path[draw.path.length-1].clockwise);
+	drawCanvasPaths();
+	delete draw.compass.dragRelPos;
+}
+
+function drawClickCompassStartMove1(e) {
+	moveToolToFront('compass');
+	draw.compass.mode = 'move1';
+	changeDrawMode('compassMove1');
+	updateSnapPoints(); // update intersection points	
+	draw.animate(compassMove1Move,compassMoveStop,drawToolsCanvas);
+	//addListenerMove(window,compassMove1Move);
+	//addListenerEnd(window,compassMoveStop);
+	draw.cursorCanvas.style.cursor = 'url("/i2/cursors/closedhand.cur"), auto';	
+}
+function drawClickCompassStartMove2(e) {
+	updateMouse(e);
+	draw.compass.dragRelPos = [draw.compass.center3[0]-draw.mouse[0],draw.compass.center3[1]-draw.mouse[1]];
+	
+	moveToolToFront('compass');
+	draw.compass.mode = 'move2';
+	changeDrawMode('compassMove2');
+	updateSnapPoints(); // update intersection points	
+	draw.compass.pointerEvents = 'auto';
+	draw.animate(compassMove2Move,compassMoveStop,drawToolsCanvas);
+	//addListenerMove(window,compassMove2Move);
+	//addListenerEnd(window,compassMoveStop);	
+	draw.cursorCanvas.style.cursor = 'url("/i2/cursors/closedhand.cur"), auto';
+}
+function compassMove1Move(e) {
+	updateMouse(e);
+	
+	var center1 = [
+		draw.mouse[0]-draw.compass.relSelPoint[0],
+		draw.mouse[1]-draw.compass.relSelPoint[1]
+	];
+	if (snapToObj2On || draw.snapLinesTogether) {
+		center1 = snapToObj2(center1);
+	}
+	draw.compass.center1 = center1;
+	draw.compass.center2 = [center1[0]+draw.compass.relCenter2[0],center1[1]+draw.compass.relCenter2[1]];
+	draw.compass.center3 = [center1[0]+draw.compass.relCenter3[0],center1[1]+draw.compass.relCenter3[1]];
+	draw.compass.lockCenter = [center1[0]+draw.compass.relLockCenter[0],center1[1]+draw.compass.relLockCenter[1]];	
+	//drawToolsCanvas();
+}
+function compassMove2Move(e) {
+	updateMouse(e);
+	var newcenter3 = [draw.mouse[0]+draw.compass.dragRelPos[0],draw.mouse[1]+draw.compass.dragRelPos[1]];
+	
+	if (draw.compass.radiusLocked == false) {
+		newcenter3 = snapToObj2(newcenter3,-1);
+		
+		var newRadius = Math.sqrt(Math.pow(newcenter3[0]-draw.compass.center1[0],2)+Math.pow(newcenter3[1]-draw.compass.center1[1],2));
+		
+		if (newRadius <= 1.85 * draw.compass.armLength) {
+			draw.compass.center3[0] = newcenter3[0];
+			draw.compass.center3[1] = newcenter3[1];
+			draw.compass.radius = newRadius;
+			if (draw.compass.center3[0] >= draw.compass.center1[0]) {
+				draw.compass.angle = Math.atan((draw.compass.center3[1]-draw.compass.center1[1])/(draw.compass.center3[0]-draw.compass.center1[0]));
+			} else {
+				draw.compass.angle = Math.PI + Math.atan((draw.compass.center3[1]-draw.compass.center1[1])/(draw.compass.center3[0]-draw.compass.center1[0]));
+			}			
+		} else {			
+			if (newcenter3[0] >= draw.compass.center1[0]) {
+				draw.compass.angle = Math.atan((newcenter3[1]-draw.compass.center1[1])/(newcenter3[0]-draw.compass.center1[0]));
+			} else {
+				draw.compass.angle = Math.PI + Math.atan((newcenter3[1]-draw.compass.center1[1])/(newcenter3[0]-draw.compass.center1[0]));
+			}
+			draw.compass.center3[0] = draw.compass.center1[0] + 1.85 * draw.compass.armLength * Math.cos(draw.compass.angle);
+			draw.compass.center3[1] = draw.compass.center1[1] + 1.85 * draw.compass.armLength * Math.sin(draw.compass.angle);
+			draw.compass.radius = 1.85 * draw.compass.armLength;		
+		}
+	} else {
+		var snapNewCenter3 = snapToObj2(newcenter3,-1);
+		var pos = clone(draw.mouse);
+		if (Math.abs(dist(snapNewCenter3,draw.compass.center1) - draw.compass.radius) < 0.1) {
+			pos = [pos[0]-draw.compass.dragRelPos[0],pos[1]-draw.compass.dragRelPos[1]];
+		}
+			
+		var dAngle = measureAngle({c:pos,b:[draw.compass.center1[0],draw.compass.center1[1]],a:[draw.compass.prevX,draw.compass.prevY],angleType:'radians'});
+		
+		if (dAngle > Math.PI) {
+			draw.compass.angle -= (2*Math.PI-dAngle);
+		} else {
+			draw.compass.angle += dAngle;
+		}
+		draw.compass.center3[0] = draw.compass.center1[0] + draw.compass.radius * Math.cos(draw.compass.angle);
+		draw.compass.center3[1] = draw.compass.center1[1] + draw.compass.radius * Math.sin(draw.compass.angle);
+	}
+
+	var angle = (draw.compass.angle%(2*Math.PI));
+	if (angle < 0) angle += 2*Math.PI;
+	if (angle > 0.5 * Math.PI && angle < 1.5 * Math.PI) {
+		draw.compass.drawOn = 'left';	
+	} else {
+		draw.compass.drawOn = 'right';
+	}
+		
+	draw.compass.h	= Math.sqrt(Math.pow(draw.compass.armLength,2)-Math.pow(0.5*draw.compass.radius,2));
+	if (draw.compass.drawOn == 'right') {
+		draw.compass.center2[0] = draw.compass.center1[0]+0.5*draw.compass.radius*Math.cos(draw.compass.angle)+draw.compass.h*Math.sin(draw.compass.angle);
+		draw.compass.center2[1] = draw.compass.center1[1]+0.5*draw.compass.radius*Math.sin(draw.compass.angle)-draw.compass.h*Math.cos(draw.compass.angle);		
+	} else {
+		draw.compass.center2[0] = draw.compass.center1[0]+0.5*draw.compass.radius*Math.cos(draw.compass.angle)-draw.compass.h*Math.sin(draw.compass.angle);
+		draw.compass.center2[1] = draw.compass.center1[1]+0.5*draw.compass.radius*Math.sin(draw.compass.angle)+draw.compass.h*Math.cos(draw.compass.angle);				
+	}
+	
+	var mp1 = midpoint(draw.compass.center1[0],draw.compass.center1[1],draw.compass.center3[0],draw.compass.center3[1]);
+	var mp2 = midpoint(draw.compass.center2[0],draw.compass.center2[1],mp1[0],mp1[1]);
+	draw.compass.lockCenter = mp2;
+	
+	recalcCompassValues();
+	//drawToolsCanvas();
+	
+	draw.compass.prevX = draw.mouse[0];
+	draw.compass.prevY = draw.mouse[1];
+}
+function compassMoveStop(e) {
+	//removeListenerMove(window,compassMove1Move);
+	//removeListenerMove(window,compassMove2Move);
+	//removeListenerEnd(window,compassMoveStop);	
+	draw.cursorCanvas.style.cursor = draw.cursors.move1;
+	draw.compass.mode = 'none';
+	changeDrawMode('prev');
+	recalcCompassValues();
+	delete draw.compass.dragRelPos;
+}
diff --git a/tools/i2/_draw3.js b/tools/i2/_draw3.js
new file mode 100644
index 0000000..d7d1a82
--- /dev/null
+++ b/tools/i2/_draw3.js
@@ -0,0 +1,26155 @@
+// Javascipt document
+
+if (un(window.draw)) var draw = {};
+
+draw.questionLayout = {
+	fix: function() {
+		for (var p = 0; p < draw.path.length; p++) {
+			var path = draw.path[p];
+			for (var o = 0; o < path.obj.length; o++) {
+				var obj = path.obj[o];
+				if (obj.type === 'text2') {
+					draw.questionLayout.fixTextUnderlining(obj);
+					draw.questionLayout.splitTextByLines(obj);
+				} else if (obj.type === 'table2') {
+					draw.questionLayout.fixTableFormatting(obj);
+				}
+			}
+		}
+		var questionTextPaths = draw.questionLayout.getPageQuestionTextPaths();
+		questionTextPaths.forEach(function(path) {
+			var obj = path.obj[0];
+			obj.rect[0] = 20;
+			obj.rect[2] = 1160;
+		});
+		
+		selectAllPaths();
+		draw.questionLayout.add();
+	},
+	
+	fixTableFormatting: function(obj) {
+		var chars = 'abcdefghijklmnopqrstuvwxyz';
+		if (un(obj._cells)) obj._cells = draw.table2.getAllCells(obj);
+		var isQuestionTable = true;
+		for (var c = 0; c < obj._cells.length; c++) {
+			var cell = obj._cells[c];
+			var startTags = textArrayGetStartTags(cell.text);
+			var text1 = cell.text[0];
+			text1 = text1.slice(startTags.length);
+			if (chars.indexOf(text1[0]) > -1 && text1[1] === ")") {
+				isQuestionTable = true;
+				var char = text1[0];
+				text1 = text1.slice(2);
+				while (text1[0] === " " || text1[0] === tab) text1 = text1.slice(1);
+				var tabs = tab;
+				if ("fijl".indexOf(char) > -1) tabs += tab;
+				cell.text[0] = startTags+char+')'+tabs+text1;
+			} else {
+				isQuestionTable = false;
+			}
+		}
+		if (isQuestionTable === true) draw.questionLayout.fixTableWidth(obj);
+	},
+	fixTableWidth: function(obj) {
+		var relatedPaths = [];
+		var ansTable = false;
+		for (var p = 0; p < draw.path.length; p++) {
+			var path = draw.path[p];
+			if (path === obj._path) continue;
+			if (un(path._center)) updateBorder(path);
+			
+			if (!un(path.trigger) && path.trigger[0] === false && path.obj.length === 1 && path.obj[0].type === 'table2' && path.obj[0].widths.length === obj.widths.length && path.obj[0].heights.length === obj.heights.length && path._center[0] > obj.left && path._center[0] < obj.left+obj.width && path._center[1] > obj.top && path._center[1] < obj.top+obj.height) {
+				ansTable = path.obj[0];
+				continue;
+			}
+			
+			if (path._center[0] < obj.left || path._center[0] > obj.left+obj.width || path._center[1] < obj.top || path._center[1] > obj.top+obj.height) continue;
+			
+			relatedPath = {r:0,c:0,offset:[0,0],path:path};
+
+			var x = obj.left;
+			for (var w = 0; w < obj.widths.length; w++) {
+				if (path._center[0] > x && path._center[0] < x+obj.widths[w]) {
+					relatedPath.c = w;
+					relatedPath.offset[0] = path.tightBorder[0]-x;
+					break;
+				}
+				x += obj.widths[w];
+			}
+			
+			var y = obj.top;
+			for (var h = 0; h < obj.heights.length; h++) {
+				if (path._center[1] > y && path._center[1] < y+obj.heights[h]) {
+					relatedPath.r = h;
+					relatedPath.offset[1] = path.tightBorder[1]-y;
+					break;
+				}
+				y += obj.heights[h];
+			}
+			
+			
+			
+			relatedPaths.push(relatedPath);
+		}
+		
+		obj.left = 80;
+		obj.width = 1100;
+		for (var w = 0; w < obj.widths.length; w++) {
+			obj.widths[w] = 1100 / obj.widths.length;
+		}
+		updateBorder(obj._path);
+		
+		for (var p = 0; p < relatedPaths.length; p++) {
+			var relatedPath = relatedPaths[p];
+			var x = obj.left;
+			for (var c = 0; c < relatedPath.c; c++) x += obj.widths[c];
+			x += relatedPath.offset[0];
+			var y = obj.top;
+			for (var r = 0; r < relatedPath.r; r++) y += obj.heights[r];
+			y += relatedPath.offset[1];
+			positionPath(relatedPath.path,x,y);
+		}
+		if (ansTable !== false) {
+			ansTable.widths = clone(obj.widths);
+			ansTable.heights = clone(obj.heights);
+		}
+		
+		drawCanvasPaths();
+	},
+	fixTextUnderlining: function(textObj) {
+		textObj.ctx = draw.hiddenCanvas.ctx;
+		var lineRects = text(textObj).lineRects;
+		if (lineRects.length > 1) return;
+		var line = false;
+		var textPath = draw.getPathOfObj(textObj);
+		updateBorder(textPath);
+		var rect = textPath.border;
+		for (var p = 0; p < draw.path.length; p++) {
+			var path = draw.path[p];
+			for (var o = 0; o < path.obj.length; o++) {
+				var obj = path.obj[o];
+				if (obj.type !== 'line') continue;
+				if (Math.abs(obj.startPos[1] - obj.finPos[1]) > 0.5) continue;
+				if (obj.startPos[0] < rect[0] || obj.startPos[0] > rect[0]+rect[2] || obj.startPos[1] < rect[1] || obj.startPos[1] > rect[1]+rect[3]) continue;
+				if (obj.finPos[0] < rect[0] || obj.finPos[0] > rect[0]+rect[2] || obj.finPos[1] < rect[1]+0.5*rect[3] || obj.finPos[1] > rect[1]+rect[3]) continue;
+				var line = true;
+				path.obj.splice(o,1);
+				if (path.obj.length === 0) draw.path.splice(p,1);
+				p = draw.path.length;
+				break;
+			}
+		}
+		if (line === true) textObj.underline = true;		
+	},
+	splitTextByLines: function(obj) {
+		if (!un(obj.box) && (obj.box.type === 'loose' || obj.box.type === 'tight')) return;
+		if (!un(obj.font) && obj.font.toLowerCase() === "smileymonster") return;
+		
+		obj.ctx = draw.hiddenCanvas.ctx;
+		var measure = text(obj);
+		var rects = [];
+		var newLine = true;
+		for (var r = 0; r < measure.lineRects.length; r++) {
+			var lineRect = measure.lineRects[r];
+			if (lineRect[2] === 0) {
+				newLine = true;
+			} else if (newLine === true) {
+				rects.push(lineRect);
+				newLine = false;
+			} else {
+				var rect = rects.last();
+				rect[2] = Math.max(rect[2],lineRect[2]);
+				var bottom = lineRect[1]+lineRect[3];
+				rect[3] = bottom-rect[1];
+			}
+		}		
+		if (rects.length < 2) return;
+		var lines = [[""]];
+		
+		for (var t = 0; t < obj.text.length; t++) {
+			var element = obj.text[t];
+			if (typeof element !== 'string') {
+				lines.last().push(element);
+			} else {
+				var splitLines = element.split(br+br);
+				for (var s = 0; s < splitLines.length; s++) {
+					var splitLine = splitLines[s];
+					if (splitLine.length === 0) continue;
+					while (splitLine.indexOf(br) === 0) splitLine = splitLine.slice(1);
+					lines.last().push(splitLine);
+					lines.push([""]);
+				}
+				if (lines.last().length === 1 && lines.last()[0] === "") lines.pop();
+			}
+		}
+		
+		//console.log(lines);
+			
+		var pathIndex = draw.path.indexOf(obj._path);
+		if (pathIndex === -1) pathIndex = draw.path.length-1;
+		for (var l = 0; l < lines.length; l++) {
+			var rect = rects[l];
+			if (un(rects[l])) rect = [20,20,100,100];
+			draw.path.splice(pathIndex+1,0,{
+				obj:[{
+					type:'text2',
+					text:lines[l],
+					rect:rects[l],
+					fontSize:obj.fontSize || 28,
+					font:obj.font || 'Arial',
+					color:obj.color || '000',
+					align:obj.align || [-1,-1],
+					bold:obj.bold || false,
+					italic:obj.italic || false
+				}]
+			});
+		}
+		draw.path.splice(pathIndex,1);
+		
+	},
+	textToTable: function(obj) {
+		var cells = [[{text:[""]}]];
+		
+		var lines = [[""]];
+		
+		for (var t = 0; t < obj.text.length; t++) {
+			var element = obj.text[t];
+			if (typeof element !== 'string') {
+				lines.last().push(element);
+			} else {
+				var splitLines = element.split(br);
+				for (var s = 0; s < splitLines.length; s++) {
+					var splitLine = splitLines[s];
+					while (splitLine.indexOf(br) === 0) splitLine = splitLine.slice(1);
+					lines.last().push(splitLine);
+					if (splitLines.length > 1 && s < splitLines.length-1) lines.push([""]);
+				}
+			}
+		}
+		
+		//console.log(lines);
+		
+		var cells = [];
+		for (var l = 0; l < lines.length; l++) {
+			var line = lines[l];
+			var row = [{text:[]}];
+			
+			for (var e = 0; e < line.length; e++) {
+				var element = line[e];
+				if (typeof element !== 'string') {
+					row.last().text.push(element);
+				} else {
+					var splitString = element.split(tab+tab+tab);
+					console.log(splitString);
+					for (var s = 0; s < splitString.length; s++) {
+						var splitStr = splitString[s];
+						while (splitStr.indexOf(tab) === 0) splitStr = splitStr.slice(1);
+						if (splitStr.length === 0) continue;
+						if (splitString.length > 1) row.push({text:[]});
+						row.last().text.push(splitStr);
+					}
+				}
+			}
+			
+			cells.push(row);
+		}
+		
+		//console.log(cells);
+		var width = obj.rect[2];
+		var height = obj.rect[3];
+		var rows = cells.length;
+		var cols = 0;
+		for (var r = 0; r < rows; r++) cols = Math.max(cells[r].length);
+		for (var r = 0; r < rows; r++) while (cells[r].length < cols) cells[r].push({text:[""]});
+		var heights = [];
+		for (var r = 0; r < rows; r++) heights.push(height/rows);
+		var widths = [];
+		for (var c = 0; c < cols; c++) widths.push(width/cols);
+		
+		for (var r = 0; r < rows; r++) {
+			for (var c = 0; c < cols; c++) {
+				cells[r][c].align = [-1,0];
+			}
+		}
+		
+		var table = {
+			type:'table2',
+			cells:cells,
+			left:obj.rect[0],
+			top:obj.rect[1],
+			widths:widths,
+			heights:heights,
+			text: {
+				font: 'Arial',
+				size: 28,
+				color: '#000'
+			},
+			outerBorder: {
+				show: false,
+				width: 4,
+				color: '#000',
+				dash: [0, 0]
+			},
+			innerBorder: {
+				show: false,
+				width: 2,
+				color: '#666',
+				dash: [0, 0]
+			},
+		}
+		
+		draw.path.push({
+			obj: [table],
+			selected: true
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+		
+	},
+	
+	add: function () {
+		deselectAllPaths(false);
+		changeDrawMode();
+		var questions = draw.questionLayout.getPageQuestions();
+		var totalMinHeight = 0;
+		for (var q = 0; q < questions.length; q++) {
+			var question = questions[q];
+			question.paths = draw.questionLayout.getPagePathsInRect([20,question.top,1160,question.height]);
+			question.minHeight = draw.questionLayout.getQuestionMinHeight(question);
+			totalMinHeight += question.minHeight;
+		}
+		draw.path.push({
+			obj: [{
+					type: 'questionLayout',
+					left:20,
+					width:1160,
+					questions:questions,
+					totalMinHeight:totalMinHeight
+				}
+			],
+			selected: true
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+		calcCursorPositions();
+	},
+	draw: function (ctx, obj, path) {
+		var rect = draw.questionLayout.getRect(obj);
+		ctx.fillStyle = colorA('#FCC',0.5);
+		for (var q = 0; q < obj.questions.length; q++) {
+			var question = obj.questions[q];
+			if (question.height > question.minHeight) {
+				ctx.fillRect(rect[0],question.top+question.minHeight,rect[2],question.height-question.minHeight);
+			}
+		}
+		ctx.lineWidth = 4;
+		ctx.strokeStyle = '#F00';
+		ctx.beginPath();
+		for (var q = 1; q < obj.questions.length; q++) {
+			var question = obj.questions[q];
+			ctx.moveTo(obj.left,question.top);
+			ctx.lineTo(obj.left+obj.width,question.top);
+		}
+		ctx.stroke();
+		ctx.strokeRect(rect[0],rect[1],rect[2],rect[3]);
+		
+		text({
+			ctx:ctx,
+			text:['Distribute'],
+			rect:[rect[0]+rect[2]-145,rect[1],145,55],
+			align:[0,0],
+			box:{"type":"loose","borderColor":"#F00","borderWidth":3,"radius":0,"color":"#FCC"},
+			fontSize:28
+		})
+	},
+	getRect: function (obj) {
+		var top = obj.questions[0].top;
+		var height = 0;
+		for (var q = 0; q < obj.questions.length; q++) {
+			var question = obj.questions[q];
+			height += question.height;
+		}
+		return [obj.left,top,obj.width,height];
+	},
+	getPageQuestions: function() {
+		var paths = draw.path;
+		var questionTextPaths = draw.questionLayout.getPageQuestionTextPaths();
+		var questions = [];
+		for (var q = 0; q < questionTextPaths.length; q++) {
+			var path = questionTextPaths[q];
+			var obj = path.obj[0];
+			
+			var startTags = textArrayGetStartTags(obj.text);
+			var text1 = obj.text[0];
+			text1 = text1.slice(startTags.length);
+			
+			var questionNumber;
+			if (!isNaN(Number(text1.slice(0,2)))) {
+				questionNumber = Number(text1.slice(0,2));
+			} else if (!isNaN(Number(text1.slice(0,1)))) {
+				questionNumber = Number(text1.slice(0,1));
+			}
+			
+			obj.ctx = draw.hiddenCanvas.ctx;
+			var measure = text(obj);
+			
+			var top = measure.lineRects[0][1];
+			
+			questions.push({
+				path:path,
+				obj:obj,
+				questionNumber:questionNumber,
+				textMeasure:measure,
+				top:top,
+				height:0,
+				paths:[]
+			});
+		}
+		questions.sort(function(a,b) {
+			return a.top-b.top;
+		});
+		for (var q = 0; q < questions.length; q++) {
+			var question = questions[q];
+			var nextTop = q < questions.length-1 ? questions[q+1].top : 1640;
+			question.height = nextTop - question.top;
+		}
+		
+		return questions;
+	},
+	getPageQuestionTextPaths: function() {
+		var paths = draw.path;
+		return paths.filter(function(path) {
+			if (path.obj.length !== 1) return false;
+			var obj = path.obj[0];
+			if (obj.type !== 'text2') return false;
+			var startTags = textArrayGetStartTags(obj.text);
+			var text1 = obj.text[0];
+			text1 = text1.slice(startTags.length);
+			if (!isNaN(Number(text1[0])) && text1[1] === '.' && (text1[2] === tab || text1[2] === ' ')) {
+				return true;
+			} else if (!isNaN(Number(text1.slice(0,2))) && text1[2] === '.' && (text1[3] === tab || text1[3] === ' ')) {
+				return true;
+			} else {
+				return false;
+			}
+		});
+	},
+	getPagePathsInRect: function(rect) {
+		var paths = draw.path;
+		return paths.filter(function(path) {
+			if (path.obj[0].type === 'questionLayout') return false;
+			var x = path.tightBorder[0]+0.5*path.tightBorder[2];
+			var y = path.tightBorder[1]+0.5*path.tightBorder[3];
+			if (rect[0] < x && x < rect[0]+rect[2] && rect[1] < y && y < rect[1]+rect[3]) return true;
+			return false
+		});
+	},
+	getQuestionMinHeight: function(question) {
+		if (question.paths.length === 0) draw.questionLayout.getPagePathsInRect([20,question.top,1160,question.height]);
+		if (question.paths.length === 0) return;
+		var top, bottom;
+		for (var p = 0; p < question.paths.length; p++) {
+			var path = question.paths[p];
+			if (!un(path.trigger) && path.trigger[0] === false) continue;
+			if (un(top)) {
+				top = path.tightBorder[1]
+				bottom = path.tightBorder[1]+path.tightBorder[3];
+			} else {
+				top = Math.min(top,path.tightBorder[1]);
+				bottom = Math.max(bottom,path.tightBorder[1]+path.tightBorder[3]);
+			}
+		}
+		return bottom-top;
+	},
+	setQuestionPosition: function(question,top,height) {
+		if (question.paths.length === 0) draw.questionLayout.getPagePathsInRect([20,question.top,1160,question.height]);
+		var dy = top-question.top;
+		for (var p = 0; p < question.paths.length; p++) {
+			var path = question.paths[p];
+			repositionPath(path,0,dy);
+		}
+		question.top = top;
+		question.height = height;
+	},
+	distributeAllQuestions: function(obj) {
+		if (un(obj)) {
+			for (var p = 0; p < draw.path.length; p++) {
+				var path = draw.path[p];
+				for (var o = 0; o < path.obj.length; o++) {
+					var obj2 = path.obj[o];
+					if (obj2.type === 'questionLayout') {
+						obj = obj2;
+						p = draw.path.length;
+						break;
+					}
+				}
+			}
+		}
+		var totalMinHeight = 0;
+		for (var q = 0; q < obj.questions.length; q++) {
+			var question = obj.questions[q];
+			question.paths = draw.questionLayout.getPagePathsInRect([20,question.top,1160,question.height]);
+			question.minHeight = draw.questionLayout.getQuestionMinHeight(question);
+			totalMinHeight += question.minHeight;
+		}
+		var top = obj.questions[0].top;
+		var bottom = obj.questions.last().top+obj.questions.last().height;
+		var questionPadding = (bottom-top-totalMinHeight) / obj.questions.length;
+		//console.log(questionPadding);
+		
+		for (var q = 0; q < obj.questions.length; q++) {
+			var question = obj.questions[q];
+			//console.log(top);
+			draw.questionLayout.setQuestionPosition(question,top,question.minHeight+questionPadding);
+			top += question.minHeight+questionPadding;
+		}
+		
+		drawCanvasPaths();
+	},
+
+	getCursorPositionsSelected: function (obj, pathNum) {
+		var pos = [];
+		for (var q = 0; q < obj.questions.length; q++) {
+			var question = obj.questions[q];
+			pos.push({
+				shape: 'rect',
+				dims: [20,question.top-10,1160,20],
+				cursor: draw.cursors.ns,
+				func: draw.questionLayout.dragVertStart,
+				obj: obj,
+				q:q,
+				pathNum: pathNum,
+				highlight: -1
+			});
+		}
+		var rect = draw.questionLayout.getRect(obj);
+		pos.push({
+			shape: 'rect',
+			dims: [20,rect[1]+rect[3]-10,1160,20],
+			cursor: draw.cursors.ns,
+			func: draw.questionLayout.dragBottomStart,
+			obj: obj,
+			pathNum: pathNum,
+			highlight: -1
+		});
+		pos.push({
+			shape: 'rect',
+			dims: [rect[0]+rect[2]-145,rect[1],145,55],
+			cursor: draw.cursors.pointer,
+			func: draw.questionLayout.distributeAllQuestions,
+			obj: obj,
+			pathNum: pathNum,
+			highlight: -1
+		});
+		return pos;
+	},
+	
+	dragVertStart: function(e) {
+		updateMouse(e);
+		draw._drag = {
+			obj:draw.currCursor.obj,
+			q:draw.currCursor.q,
+			offset:draw.mouse[1]-draw.currCursor.obj.questions[draw.currCursor.q].top
+		}
+		changeDrawMode('questionLayoutVert');
+		//addListenerMove(window, draw.questionLayout.dragVertMove);
+		//addListenerEnd(window, draw.questionLayout.dragVertStop);
+		draw.animate(draw.questionLayout.dragVertMove,draw.questionLayout.dragVertStop,drawCanvasPaths);
+	},
+	dragVertMove: function(e) {
+		updateMouse(e);
+		var obj = draw._drag.obj;
+		var q = draw._drag.q;
+		var question = obj.questions[q];
+		var top = draw.mouse[1];
+		var nextTop = q < obj.questions.length-1 ? obj.questions[q+1].top : 1640;
+		draw.questionLayout.setQuestionPosition(question,top,nextTop-top);
+		//drawCanvasPaths();
+	},
+	dragVertStop: function() {
+		//removeListenerMove(window, draw.questionLayout.dragVertMove);
+		//removeListenerEnd(window, draw.questionLayout.dragVertStop);
+		changeDrawMode('prev');
+		delete draw._drag;
+	},
+	
+	dragBottomStart: function(e) {
+		updateMouse(e);
+		draw._drag = {
+			obj:draw.currCursor.obj
+		}
+		changeDrawMode('questionLayoutBottom');
+		//addListenerMove(window, draw.questionLayout.dragBottomMove);
+		//addListenerEnd(window, draw.questionLayout.dragBottomStop);		
+		draw.animate(draw.questionLayout.dragBottomMove,draw.questionLayout.dragBottomStop,drawCanvasPaths);
+	},
+	dragBottomMove: function(e) {
+		updateMouse(e);
+		var obj = draw._drag.obj;
+		var question = obj.questions.last();
+		var y = draw.mouse[1];
+		if (Math.abs(y-1640) < 20) y = 1640
+		draw.questionLayout.setQuestionPosition(question,question.top,y-question.top);
+		//drawCanvasPaths();
+	},
+	dragBottomStop: function() {
+		//removeListenerMove(window, draw.questionLayout.dragBottomMove);
+		//removeListenerEnd(window, draw.questionLayout.dragBottomStop);
+		changeDrawMode('prev');
+		delete draw._drag;
+	}
+	
+}
+
+draw.mixedPath = {
+	groupPaths: function() {
+		var selected = selPaths();
+		if (selected.length < 2) return;
+		var objs = [];
+		for (var p = 0; p < selected.length; p++) {
+			var path = selected[p];
+			for (var o = 0; o < path.obj.length; o++) {
+				var obj = path.obj[o];
+				if (['line','angle','curve','curve2'].indexOf(obj.type) === -1) continue;
+				objs.push(obj);
+				path.obj.splice(o,1);
+				o--;
+			}
+		}
+		if (objs.length === 0) return;
+		for (var p = 0; p < draw.path.length; p++) {
+			if (draw.path[p].obj.length === 0) {
+				draw.path.splice(p,1);
+				p--;
+			}
+		}
+		draw.path.push({
+			obj:[{
+				type:'mixedPath',
+				color:draw.color,
+				fillColor:draw.fillColor,
+				lineWidth:draw.thickness,
+				paths:objs
+			}],
+			selected:true
+		});
+		drawCanvasPaths();
+	},
+	ungroupPaths: function(obj) {
+		if (un(obj)) obj = sel();
+		var path = obj._path;
+		var objs = obj.paths;
+		for (var o = 0; o < objs.length; o++) {
+			var obj2 = objs[o];
+			draw.path.push({
+				obj:[obj2],
+				selected:true
+			});
+		}
+		draw.path.splice(draw.path.indexOf(path),1);
+		draw.updateAllBorders();
+		drawCanvasPaths();
+	},
+	draw: function(ctx, obj, path) {
+		ctx.beginPath();
+		var prev = [];
+		for (var p = 0; p < obj.paths.length; p++) {
+			var obj2 = obj.paths[p];
+			switch (obj2.type) {
+				case 'line' :	
+					if (!arraysEqual(prev,obj2.startPos)) ctx.moveTo(obj2.startPos[0], obj2.startPos[1]);
+					ctx.lineTo(obj2.finPos[0], obj2.finPos[1]);
+					prev = obj2.finPos;
+					break;
+				case 'angle' :
+					if (obj2.clockwise === true) {
+						obj2.a = pointAddVector(obj2.b,[Math.cos(obj2.angleA),Math.sin(obj2.angleA)],obj2.radius);
+						obj2.c = pointAddVector(obj2.b,[Math.cos(obj2.angleC),Math.sin(obj2.angleC)],obj2.radius);
+						if (!arraysEqual(prev,obj2.a)) ctx.moveTo(obj2.a[0], obj2.a[1]);					
+						ctx.arc(obj2.b[0],obj2.b[1],obj2.radius,obj2.angleA,obj2.angleC,true);
+						prev = obj2.c;
+					} else {
+						obj2.a = pointAddVector(obj2.b,[Math.cos(obj2.angleA),Math.sin(obj2.angleA)],obj2.radius);
+						obj2.c = pointAddVector(obj2.b,[Math.cos(obj2.angleC),Math.sin(obj2.angleC)],obj2.radius);
+						if (!arraysEqual(prev,obj2.a)) ctx.moveTo(obj2.a[0], obj2.a[1]);					
+						ctx.arc(obj2.b[0],obj2.b[1],obj2.radius,obj2.angleA,obj2.angleC,false);
+						prev = obj2.c;
+					}
+					break;
+				case 'curve' :
+					if (!arraysEqual(prev,obj2.startPos)) ctx.moveTo(obj2.startPos[0], obj2.startPos[1]);					
+					ctx.quadraticCurveTo(obj2.controlPos[0], obj2.controlPos[1], obj2.finPos[0], obj2.finPos[1]);
+					prev = obj2.finPos;
+					break;
+				case 'curve2' :
+					if (!arraysEqual(prev,obj2.startPos)) ctx.moveTo(obj2.startPos[0], obj2.startPos[1]);					
+					ctx.bezierCurveTo(obj2.controlPos1[0], obj2.controlPos1[1], obj2.controlPos2[0], obj2.controlPos2[1], obj2.finPos[0], obj2.finPos[1]);
+					prev = obj2.finPos;
+					break;
+			}
+		}
+		
+		if (obj.fillColor !== 'none') {
+			ctx.fillStyle = obj.fillColor;
+			ctx.fill();
+		}
+		if (obj.color !== 'none') {
+			ctx.strokeStyle = obj.color;
+			ctx.lineWidth = obj.lineWidth || draw.lineWidth;
+			ctx.stroke();
+		}
+	},
+	getRect: function(obj) {
+		for (var p = 0; p < obj.paths.length; p++) {
+			var obj2 = obj.paths[p];
+			obj2._rect = draw[obj2.type].getRect(obj2);
+			if (p === 0) {
+				obj._left = obj2._rect[0];
+				obj._top = obj2._rect[1];
+				obj._right = obj2._rect[0]+obj2._rect[2];
+				obj._bottom = obj2._rect[1]+obj2._rect[3];
+			} else {
+				obj._left = Math.min(obj._left,obj2._rect[0]);
+				obj._top = Math.min(obj._top,obj2._rect[1]);
+				obj._right = Math.max(obj._right,obj2._rect[0]+obj2._rect[2]);
+				obj._bottom = Math.max(obj._bottom,obj2._rect[1]+obj2._rect[3]);
+			}
+		}
+		obj._width = obj._right - obj._left;
+		obj._height = obj._bottom - obj._top;
+		return [obj._left, obj._top, obj._width, obj._height];
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		for (var p = 0; p < obj.paths.length; p++) {
+			var obj2 = obj.paths[p];
+			draw[obj2.type].changePosition(obj2, dl, dt, 0, 0);			
+		}
+	},
+	setFillColor: function(obj,color) {
+		obj.fillColor = color;
+	},
+	setLineColor: function(obj,color) {
+		obj.color = color;
+	},
+	setLineWidth: function(obj,lineWidth) {
+		obj.lineWidth = lineWidth;
+	},
+	getLineWidth: function(obj) {
+		return obj.lineWidth;
+	}
+};
+
+draw.protractor2 = {
+	resizable: false,
+	//allowQuickDraw: false,
+	add: function () {
+		deselectAllPaths();
+		var obj = {
+			type: 'protractor2',
+			center: [600,500],
+			radius: 250,
+			angle: 0,
+			color:'#CCF',
+			opacity:0.25,
+			numbers:true,
+			button:[20,20],
+			protractorVisible:true
+		};
+		draw.path.push({
+			obj: [obj],
+			selected: true
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+	},
+	draw: function (ctx, obj, path) {
+		
+	},
+	drawOverlay: function(ctx, obj, path) {
+		if (!un(obj.button)) {
+			ctx.translate(obj.button[0], obj.button[1]);
+			var color = draw.buttonColor;
+			if (obj.protractorVisible == true) color = draw.buttonSelectedColor;
+			roundedRect(ctx, 3, 3, 49, 49, 8, 6, '#000', color);
+			ctx.lineWidth = 1;
+			ctx.strokeStyle = '#000';
+			ctx.beginPath();
+			ctx.moveTo(46.5, 35.5);
+			ctx.lineTo(46.5, 37.5);
+			ctx.lineTo(8.5, 37.5);
+			ctx.lineTo(8.5, 34.5);
+			ctx.arc(27.5, 34.5, 19, Math.PI, 2 * Math.PI);
+			ctx.stroke();
+			if (obj.protractorVisible == false) {
+				ctx.fillStyle = '#CCF';
+				ctx.fill();
+				for (var i = 0; i < 7; i++) {
+					ctx.moveTo(27.5 + 4 * Math.cos((1 + i / 6) * Math.PI), 34.5 + 4 * Math.sin((1 + i / 6) * Math.PI));
+					ctx.lineTo(27.5 + 16 * Math.cos((1 + i / 6) * Math.PI), 34.5 + 16 * Math.sin((1 + i / 6) * Math.PI))
+				}
+				ctx.stroke();
+				ctx.beginPath();
+				ctx.arc(27.5, 34.5, 15, Math.PI, 2 * Math.PI);
+				for (var i = 0; i < 19; i++) {
+					ctx.moveTo(27.5 + 17 * Math.cos((1 + i / 18) * Math.PI), 34.5 + 17 * Math.sin((1 + i / 18) * Math.PI));
+					ctx.lineTo(27.5 + 19 * Math.cos((1 + i / 18) * Math.PI), 34.5 + 19 * Math.sin((1 + i / 18) * Math.PI))
+				}
+				ctx.moveTo(27.5, 34.5);
+				ctx.lineTo(27.5, 30.5);
+				ctx.moveTo(23.5, 34.5);
+				ctx.lineTo(31.5, 34.5);
+				ctx.stroke();
+			}
+			ctx.translate(-obj.button[0], -obj.button[1]);
+		}
+		if (obj.protractorVisible !== false) {
+			var rad = obj.radius;
+			var center = obj.center;
+			var color = obj.color;
+			var angle = obj.angle;
+			var opacity = obj.opacity;
+			
+			var radius = [0.12*rad,0.7*rad,0.8*rad,0.88*rad,0.92*rad,rad];
+			var fontSize = rad / 20;
+			var colorRGB = hexToRgb(color);
+			
+			ctx.save();
+			ctx.translate(center[0],center[1]);
+			ctx.rotate(angle);
+			
+			ctx.fillStyle = "rgba("+colorRGB.r+","+colorRGB.g+","+colorRGB.b+","+opacity+")";
+			ctx.beginPath();
+			ctx.moveTo(0-rad,0);
+			ctx.arc(0,0,rad,Math.PI,2*Math.PI);
+			ctx.lineTo(0+rad,0+0.04*rad);
+			ctx.lineTo(0-rad,0+0.04*rad);
+			ctx.lineTo(0-rad,0);
+			ctx.fill();
+			
+			ctx.lineWidth = 1;
+			ctx.strokeStyle = '#000';
+			ctx.fillStyle = '#000';
+			ctx.textAlign = 'center';
+			ctx.textBaseline = 'middle';
+			ctx.font = fontSize + 'px Arial';
+			ctx.beginPath();
+			ctx.moveTo(0-radius[0],0);
+			ctx.arc(0,0,radius[0],Math.PI,2*Math.PI);
+
+			ctx.moveTo(0-radius[0],0);
+			ctx.lineTo(0+radius[0],0);
+
+			var angle = Math.PI;
+			if (boolean(obj.numbers,true) === true) {
+				ctx.moveTo(0-radius[1],0);
+				ctx.arc(0,0,radius[1],Math.PI,2*Math.PI);
+				ctx.moveTo(0-radius[2],0);
+				ctx.arc(0,0,radius[2],Math.PI,265*Math.PI/180);
+				ctx.moveTo((0+radius[2]*Math.cos(275*Math.PI/180)),(0+radius[2]*Math.sin(275*Math.PI/180)));
+				ctx.arc(0,0,radius[2],275*Math.PI/180,2*Math.PI);
+				for (var i = 0; i < 181; i++) {
+					if (i == 90) {
+						ctx.moveTo(0,0+10);
+						ctx.lineTo(0,0-radius[1]-7);
+						ctx.moveTo(0,0-0.86*rad);
+						ctx.lineTo(0,0-radius[5]);
+						
+						ctx.translate((0+0.8*rad*Math.cos(angle)),(0+0.8*rad*Math.sin(angle)));
+						ctx.rotate(angle+0.5*Math.PI);
+						var largerFont = 1.5 * fontSize; 
+						ctx.font = largerFont + 'px Arial';
+						ctx.fillText(90,0,0);
+						ctx.font = fontSize + 'px Arial';
+						ctx.rotate(-(angle+0.5*Math.PI));
+						ctx.translate(-(0+0.8*rad*Math.cos(angle)),-(0+0.8*rad*Math.sin(angle)));		
+					} else if (i % 10 == 0) {
+						ctx.moveTo(0+radius[0]*Math.cos(angle),0+radius[0]*Math.sin(angle));
+						ctx.lineTo(0+(radius[1]+3)*Math.cos(angle),0+(radius[1]+3)*Math.sin(angle));
+						ctx.moveTo(0+(radius[2]-3)*Math.cos(angle),0+(radius[2]-3)*Math.sin(angle));
+						ctx.lineTo(0+(radius[2]+3)*Math.cos(angle),0+(radius[2]+3)*Math.sin(angle));			
+						ctx.moveTo(0+radius[3]*Math.cos(angle),0+radius[3]*Math.sin(angle));
+						ctx.lineTo(0+radius[5]*Math.cos(angle),0+radius[5]*Math.sin(angle));
+						
+						ctx.translate((0+0.75*rad*Math.cos(angle)),(0+0.75*rad*Math.sin(angle)));
+						ctx.rotate(angle+0.5*Math.PI);
+						ctx.fillText(180-i,0,0);
+						ctx.rotate(-(angle+0.5*Math.PI));
+						ctx.translate(-(0+0.75*rad*Math.cos(angle)),-(0+0.75*rad*Math.sin(angle)));
+						
+						ctx.translate((0+0.845*rad*Math.cos(angle)),(0+0.845*rad*Math.sin(angle)));
+						ctx.rotate(angle+0.5*Math.PI);
+						ctx.fillText(i,0,0);
+						ctx.rotate(-(angle+0.5*Math.PI));
+						ctx.translate(-(0+0.845*rad*Math.cos(angle)),-(0+0.845*rad*Math.sin(angle)));
+					} else if (i % 5 == 0) {
+						ctx.moveTo(0+radius[3]*Math.cos(angle),0+radius[3]*Math.sin(angle));
+						ctx.lineTo(0+radius[5]*Math.cos(angle),0+radius[5]*Math.sin(angle));
+					} else {
+						ctx.moveTo(0+radius[4]*Math.cos(angle),0+radius[4]*Math.sin(angle));
+						ctx.lineTo(0+radius[5]*Math.cos(angle),0+radius[5]*Math.sin(angle));			
+					}
+					angle += Math.PI / 180;
+				}
+			} else {
+				for (var i = 0; i < 181; i++) {
+					if (i == 90) {
+						ctx.moveTo(0,0+10);
+						ctx.lineTo(0,0-radius[5]);	
+					} else if (i % 10 == 0) {
+						ctx.moveTo(0+radius[0]*Math.cos(angle),0+radius[0]*Math.sin(angle));;
+						ctx.lineTo(0+radius[5]*Math.cos(angle),0+radius[5]*Math.sin(angle));
+					} else if (i % 5 == 0) {
+						ctx.moveTo(0+radius[3]*Math.cos(angle),0+radius[3]*Math.sin(angle));
+						ctx.lineTo(0+radius[5]*Math.cos(angle),0+radius[5]*Math.sin(angle));
+					} else {
+						ctx.moveTo(0+radius[4]*Math.cos(angle),0+radius[4]*Math.sin(angle));
+						ctx.lineTo(0+radius[5]*Math.cos(angle),0+radius[5]*Math.sin(angle));			
+					}
+					angle += Math.PI / 180;
+				}
+			}
+			ctx.stroke();
+			ctx.restore();
+		}
+	},
+	getRect: function (obj) {
+		if (!un(obj.button)) {
+			return [obj.button[0],obj.button[1],55,55];
+		} else {
+			return [20,20,55,55];
+		}
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.button[0] += dl;
+		obj.button[1] += dt;
+	},
+	getCursorPositionsInteract: function (obj, path) {
+		var pos = [];
+		if (obj.protractorVisible === true) {
+			pos.push({
+				shape: 'sector',
+				dims: [obj.center[0],obj.center[1],obj.radius,obj.angle+Math.PI,obj.angle+2*Math.PI],
+				cursor: draw.cursors.move1,
+				func: draw.protractor2.moveProtractorStart,
+				interact: true,
+				path: path,
+				obj: obj
+			});
+			var x1 = obj.center[0]+0.5*obj.radius*Math.cos(obj.angle+Math.PI);
+			var y1 = obj.center[1]+0.5*obj.radius*Math.sin(obj.angle+Math.PI);
+			pos.push({
+				shape: 'sector',
+				dims: [x1,y1,obj.radius/2,obj.angle+Math.PI,obj.angle+(5/4)*Math.PI],
+				cursor: draw.cursors.rotate,
+				func: draw.protractor2.rotateProtractorStart,
+				interact: true,
+				path: path,
+				obj: obj
+			});
+			var x2 = obj.center[0]+0.5*obj.radius*Math.cos(obj.angle);
+			var y2 = obj.center[1]+0.5*obj.radius*Math.sin(obj.angle);
+			pos.push({
+				shape: 'sector',
+				dims: [x2,y2,obj.radius/2,obj.angle+(7/4)*Math.PI,obj.angle+2*Math.PI],
+				cursor: draw.cursors.rotate,
+				func: draw.protractor2.rotateProtractorStart,
+				interact: true,
+				path: path,
+				obj: obj
+			});
+		}
+		if (!un(obj.button)) {
+			pos.push({
+				shape: 'rect',
+				dims: [obj.button[0],obj.button[1],55,55],
+				cursor: draw.cursors.pointer,
+				func: draw.protractor2.toggleProtractorVisible,
+				interact: true,
+				path: path,
+				obj: obj
+			});
+		}
+		return pos;
+	},
+	getCursorPositionsSelected: function(obj, pathNum) {
+		return [];
+	},
+	toggleProtractorVisible: function() {
+		var obj = draw.currCursor.obj;
+		obj.protractorVisible = !obj.protractorVisible;
+		drawCanvasPaths();
+	},
+	moveProtractorStart: function() {
+		var obj = draw.currCursor.obj;
+		draw.movePathToFront(obj._path);
+		draw._drag = {
+			obj: obj,
+			offset: [obj.center[0]-draw.mouse[0],obj.center[1]-draw.mouse[1]]
+		};
+		draw.animate(draw.protractor2.moveProtractorMove,draw.protractor2.moveProtractorStop,drawCanvasPaths);
+		draw.cursorCanvas.style.cursor = draw.cursors.move2;
+		draw.cursorOverride = draw.cursors.move2;
+	},
+	moveProtractorMove: function(e) {
+		updateMouse(e);
+		var obj = draw._drag.obj;
+		var offset = draw._drag.offset;
+		obj.center = [draw.mouse[0]+offset[0],draw.mouse[1]+offset[1]];
+	},
+	moveProtractorStop: function() {
+		delete draw._drag;
+		delete draw.cursorOverride;
+		draw.cursorCanvas.style.cursor = draw.cursors.move1;
+	},
+	rotateProtractorStart: function() {
+		var obj = draw.currCursor.obj;
+		draw.movePathToFront(obj._path);
+		draw._drag = {
+			obj: obj,
+			offsetAngle: getAngleTwoPoints(obj.center,draw.mouse)-obj.angle
+		};
+		draw.animate(draw.protractor2.rotateProtractorMove,draw.protractor2.rotateProtractorStop,drawCanvasPaths);
+		draw.cursorCanvas.style.cursor = draw.cursors.rotate;
+		draw.cursorOverride = draw.cursors.rotate;
+	},
+	rotateProtractorMove: function(e) {
+		updateMouse(e);
+		var obj = draw._drag.obj;
+		obj.angle = getAngleTwoPoints(obj.center,draw.mouse)-draw._drag.offsetAngle;
+	},
+	rotateProtractorStop: function() {
+		delete draw._drag;
+		delete draw.cursorOverride;
+	}
+}
+draw.ruler2 = {
+	resizable: false,
+	//allowQuickDraw: false,
+	add: function () {
+		deselectAllPaths();
+		var obj = {
+			type: 'ruler2',
+			rect:[200,300,800,100],
+			angle:0,
+			color:'#CCF',
+			opacity:0.25,
+			markings:true,
+			button:[20,20],
+			rulerVisible:true			
+		};
+		draw.path.push({
+			obj: [obj],
+			selected: true
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+	},
+	draw: function (ctx, obj, path) {
+	},
+	drawOverlay: function(ctx, obj, path) {
+		if (!un(obj.button)) {
+			ctx.translate(obj.button[0], obj.button[1]);		
+			var color = obj.rulerVisible == true ? draw.buttonSelectedColor : draw.buttonColor;
+			roundedRect(ctx,3,3,49,49,8,6,'#000',color);
+			if (obj.rulerVisible == true) {
+				roundedRect(ctx,7.5,22.5,40,10,3,1,'#000');
+			} else {
+				roundedRect(ctx,7.5,22.5,40,10,3,1,'#000','#CCF');
+				if (obj.markings == true) {
+					ctx.lineWidth = 1;
+					ctx.strokeStyle = '#000';
+					ctx.beginPath();
+					for (var i = 0; i < 11; i++) {
+						ctx.moveTo(9.5+i*(36/10),22.5);
+						ctx.lineTo(9.5+i*(36/10),26.5);				
+					}
+					ctx.stroke();
+				}
+			}
+			ctx.translate(-obj.button[0], -obj.button[1]);
+		}
+		if (obj.rulerVisible !== false) {
+			var left = obj.rect[0];
+			var top = obj.rect[1];
+			var width = obj.rect[3];
+			var length = obj.rect[2];
+			var color = obj.color;
+			var opacity = obj.opacity;	
+			var angle = obj.angle;
+			
+			var fontSize = width / 6;
+			
+			ctx.save();
+			ctx.translate(left, top);
+			ctx.rotate(angle);
+			ctx.beginPath();
+			
+			var colorRGB = hexToRgb(color);
+			ctx.fillStyle = "rgba("+colorRGB.r+","+colorRGB.g+","+colorRGB.b+","+opacity+")";
+			roundedRect(ctx, 0, 0, length, width, 8, 1, "rgba(0,0,0,0)", "rgba("+colorRGB.r+","+colorRGB.g+","+colorRGB.b+","+opacity+")");
+
+			if (obj.markings == true) {
+				var xPos = length * 0.02;
+				var dx = (length * 0.96) / 150;
+				
+				ctx.lineWidth = 1;
+				ctx.strokeStyle = '#000';
+				ctx.fillStyle = '#000';
+				ctx.textAlign = 'center';
+				ctx.textBaseline = 'middle';
+				ctx.font = fontSize + 'px Arial';
+				for (var dCount = 0; dCount <= 150; dCount++) {
+					ctx.beginPath();
+					ctx.moveTo(xPos,0);
+					if (dCount % 10 == 0) {
+						ctx.lineTo(xPos,0.22*width);
+						ctx.fillText(Math.round(0.1*dCount),xPos,0.32*width);
+					} else if (dCount % 5 == 0) {
+						ctx.lineTo(xPos,0.16*width);
+					} else {
+						ctx.lineTo(xPos,0.1*width);
+					}
+					ctx.stroke();
+					xPos += dx;
+				}
+				ctx.beginPath();
+				ctx.moveTo(length*0.5,0.5*width);
+				ctx.lineTo(length*0.51,0.6*width);
+				ctx.lineTo(length*0.49,0.6*width);
+				ctx.lineTo(length*0.5,0.5*width);
+				ctx.fill();
+			}
+			ctx.restore();
+		}	
+	},
+	getRect: function (obj) {
+		if (!un(obj.button)) {
+			return [obj.button[0],obj.button[1],55,55];
+		} else {
+			return [20,20,55,55];
+		}
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.button[0] += dl;
+		obj.button[1] += dt;
+	},
+	getCursorPositionsInteract: function (obj, path) {
+		var pos = [];
+		if (obj.rulerVisible === true) {
+			var left = obj.rect[0];
+			var top = obj.rect[1];
+			var width = obj.rect[3];
+			var length = obj.rect[2];
+			var angle = obj.angle;
+			obj._centerX1 = left+0.02*length*Math.cos(angle);
+			obj._centerY1 = top+0.02*length*Math.sin(angle);	
+			obj._centerX2 = left+0.98*length*Math.cos(angle);
+			obj._centerY2 = top+0.98*length*Math.sin(angle);	
+			obj._verticesArray1 = [
+				[left,top],
+				[left+length*Math.cos(angle),top+length*Math.sin(angle)],
+				[left+length*Math.cos(angle)-width*Math.sin(angle),top+length*Math.sin(angle)+width*Math.cos(angle)],
+				[left-width*Math.sin(angle),top+width*Math.cos(angle)]
+			];
+			obj._verticesArray2 = [
+				[left,top],
+				[left+0.1*length*Math.cos(angle),top+0.1*length*Math.sin(angle)],
+				[left-width*Math.sin(angle)+0.1*length*Math.cos(angle),top+width*Math.cos(angle)+0.1*length*Math.sin(angle)],
+				[left-width*Math.sin(angle),top+width*Math.cos(angle)]
+			];
+			obj._verticesArray3 = [
+				[left+length*Math.cos(angle)-0.1*length*Math.cos(angle),top+length*Math.sin(angle)-0.1*length*Math.sin(angle)],
+				[left+length*Math.cos(angle),top+length*Math.sin(angle)],
+				[left+length*Math.cos(angle)-width*Math.sin(angle),top+length*Math.sin(angle)+width*Math.cos(angle)],
+				[left+length*Math.cos(angle)-width*Math.sin(angle)-0.1*length*Math.cos(angle),top+length*Math.sin(angle)+width*Math.cos(angle)-0.1*length*Math.sin(angle)]
+			];
+			obj._center = [
+				left+0.5*length*Math.cos(angle)-0.5*width*Math.sin(angle),
+				top+0.5*length*Math.sin(angle)+0.5*width*Math.cos(angle)
+			];
+			obj._centerRel = [
+				0.5*length*Math.cos(angle)-0.5*width*Math.sin(angle),
+				0.5*length*Math.sin(angle)+0.5*width*Math.cos(angle)
+			];
+			
+			obj._verticesArray4 = [
+				[left+40*Math.sin(angle),top-40*Math.cos(angle)],
+				[left+length*Math.cos(angle)+40*Math.sin(angle),top+length*Math.sin(angle)-40*Math.cos(angle)],
+				[left+length*Math.cos(angle),top+length*Math.sin(angle)],
+				[left,top]
+			];
+			if (obj.markings == true) {
+				obj._edgePos1 = [
+					left+0.02*length*Math.cos(angle)+(0.5*draw.thickness+2)*Math.sin(angle),
+					top+0.02*length*Math.sin(angle)-(0.5*draw.thickness+2)*Math.cos(angle)
+				];
+				obj._edgePos2 = [
+					left+0.98*length*Math.cos(angle)+(0.5*draw.thickness+2)*Math.sin(angle),
+					top+0.98*length*Math.sin(angle)-(0.5*draw.thickness+2)*Math.cos(angle)
+				];
+			} else {
+				obj._edgePos1 = [
+					left+(0.5*draw.thickness+2)*Math.sin(angle),
+					top-(0.5*draw.thickness+2)*Math.cos(angle)
+				];
+				obj._edgePos2 = [
+					left+length*Math.cos(angle)+(0.5*draw.thickness+2)*Math.sin(angle),
+					top+length*Math.sin(angle)-(0.5*draw.thickness+2)*Math.cos(angle)
+				];
+			}
+			
+			obj._verticesArray5 = [
+				[left-width*Math.sin(angle)-40*Math.sin(angle),top+width*Math.cos(angle)+40*Math.cos(angle)],
+				[left+length*Math.cos(angle)-width*Math.sin(angle)-40*Math.sin(angle),top+length*Math.sin(angle)+width*Math.cos(angle)+40*Math.cos(angle)],
+				[left+length*Math.cos(angle)-width*Math.sin(angle),top+length*Math.sin(angle)+width*Math.cos(angle)],
+				[left-width*Math.sin(angle),top+width*Math.cos(angle)],
+			];
+			obj._edgePos3 = [
+				left-width*Math.sin(angle)-(0.5*draw.thickness+2)*Math.sin(angle),
+				top+width*Math.cos(angle)+(0.5*draw.thickness+2)*Math.cos(angle)
+			];
+			obj._edgePos4 = [
+				left+length*Math.cos(angle)-width*Math.sin(angle)-(0.5*draw.thickness+2)*Math.sin(angle),
+				top+length*Math.sin(angle)+width*Math.cos(angle)+(0.5*draw.thickness+2)*Math.cos(angle)
+			];	
+			var canvas = draw.hiddenCanvas;
+			var ctx = draw.hiddenCanvas.ctx;
+			var size = 50;
+			canvas.width = size;
+			canvas.height = size;
+			
+			ctx.clearRect(0,0,50,50);
+			ctx.translate(25,25);
+			ctx.rotate(obj.angle);
+				ctx.fillStyle = draw.color;
+				ctx.fillRect(-5,-11,10,20);
+				ctx.fillRect(-5,-18,10,5);
+				ctx.beginPath();
+				ctx.moveTo(-5,11);
+				ctx.lineTo(0,18);
+				ctx.lineTo(5,11);
+				ctx.lineTo(-5,11);
+				ctx.fill();		
+			ctx.rotate(-obj.angle);	
+			ctx.translate(-25,-25);
+
+			obj._penCursor1 = 'url("'+canvas.toDataURL()+'") '+(25-18*Math.sin(obj.angle))+', '+(25+18*Math.cos(obj.angle))+', auto';
+			
+			ctx.clearRect(0,0,50,50);
+			ctx.translate(25,25);
+			ctx.rotate(Math.PI+obj.angle);
+				ctx.fillStyle = draw.color;
+				ctx.fillRect(-5,-11,10,20);
+				ctx.fillRect(-5,-18,10,5);
+				ctx.beginPath();
+				ctx.moveTo(-5,11);
+				ctx.lineTo(0,18);
+				ctx.lineTo(5,11);
+				ctx.lineTo(-5,11);
+				ctx.fill();		
+			ctx.rotate(-Math.PI-obj.angle);	
+			ctx.translate(-25,-25);
+	
+			obj._penCursor2 = 'url("'+canvas.toDataURL()+'") '+(25-18*Math.sin(Math.PI+obj.angle))+', '+(25+18*Math.cos(Math.PI+obj.angle))+', auto';
+
+			pos.push({
+				shape: 'polygon',
+				dims: obj._verticesArray1,
+				cursor: draw.cursors.move1,
+				func: draw.ruler2.moveRulerStart,
+				interact: true,
+				path: path,
+				obj: obj
+			});
+			pos.push({
+				shape: 'polygon',
+				dims: obj._verticesArray2,
+				cursor: draw.cursors.rotate,
+				func: draw.ruler2.rotateRulerStart1,
+				interact: true,
+				path: path,
+				obj: obj
+			});
+			pos.push({
+				shape: 'polygon',
+				dims: obj._verticesArray3,
+				cursor: draw.cursors.rotate,
+				func: draw.ruler2.rotateRulerStart2,
+				interact: true,
+				path: path,
+				obj: obj
+			});
+			if (obj.markings === true) {		
+				pos.push({
+					shape: 'circle',
+					dims: [obj._center[0],obj._center[1],25],
+					cursor: draw.cursors.pointer,
+					func: draw.ruler2.rotateRuler180,
+					interact: true,
+					path: path,
+					obj: obj
+				});
+			}
+			pos.push({
+				shape: 'polygon',
+				dims: obj._verticesArray4,
+				//cursor: obj._penCursor1,
+				cursor: draw.cursors.pen,
+				func: draw.ruler2.drawRulerStart1,
+				interact: true,
+				path: path,
+				obj: obj
+			});
+			pos.push({
+				shape: 'polygon',
+				dims: obj._verticesArray5,
+				//cursor: obj._penCursor2,
+				cursor: draw.cursors.pen,
+				func: draw.ruler2.drawRulerStart2,
+				interact: true,
+				path: path,
+				obj: obj
+			});
+			
+		}
+		if (!un(obj.button)) {
+			pos.push({
+				shape: 'rect',
+				dims: [obj.button[0],obj.button[1],55,55],
+				cursor: draw.cursors.pointer,
+				func: draw.ruler2.toggleRulerVisible,
+				interact: true,
+				path: path,
+				obj: obj
+			});
+		}
+		return pos;
+	},
+	getCursorPositionsSelected: function(obj, pathNum) {
+		return [];
+	},
+	toggleRulerVisible: function() {
+		var obj = draw.currCursor.obj;
+		obj.rulerVisible = !obj.rulerVisible;
+		drawCanvasPaths();
+	},
+	moveRulerStart: function() {
+		var obj = draw.currCursor.obj;
+		draw.movePathToFront(obj._path);
+		draw._drag = {
+			obj: obj,
+			offset: [obj.rect[0]-draw.mouse[0],obj.rect[1]-draw.mouse[1]]
+		};
+		draw.animate(draw.ruler2.moveRulerMove,draw.ruler2.moveRulerStop,drawCanvasPaths);
+		draw.cursorCanvas.style.cursor = draw.cursors.move2;
+		draw.cursorOverride = draw.cursors.move2;
+	},
+	moveRulerMove: function(e) {
+		updateMouse(e);
+		var obj = draw._drag.obj;
+		var offset = draw._drag.offset;
+		obj.rect[0] = draw.mouse[0]+offset[0];
+		obj.rect[1] = draw.mouse[1]+offset[1];
+	},
+	moveRulerStop: function() {
+		delete draw._drag;
+		draw.cursorCanvas.style.cursor = draw.cursors.move1;
+		delete draw.cursorOverride;
+	},
+	rotateRulerStart1: function() {
+		var obj = draw.currCursor.obj;
+		draw.movePathToFront(obj._path);
+		draw._drag = {
+			obj: obj,
+			prevX: draw.mouse[0],
+			prevY: draw.mouse[1]
+		};
+		draw.animate(draw.ruler2.rotateRulerMove1,draw.ruler2.rotateRulerStop,drawCanvasPaths);
+		draw.cursorCanvas.style.cursor = draw.cursors.rotate;
+		draw.cursorOverride = draw.cursors.rotate;
+	},
+	rotateRulerMove1: function(e) {
+		updateMouse(e);		
+		var obj = draw._drag.obj;
+			
+		obj._centerX2 = obj.rect[0]+0.98*obj.rect[2]*Math.cos(obj.angle);
+		obj._centerY2 = obj.rect[1]+0.98*obj.rect[2]*Math.sin(obj.angle);
+				
+		dAngle = measureAngle({c:draw.mouse,b:[obj._centerX2,obj._centerY2],a:[draw._drag.prevX,draw._drag.prevY],angleType:'radians'});
+		obj.angle += dAngle;
+		obj.rect[0] = obj._centerX2 - 0.98*obj.rect[2]*Math.cos(obj.angle);
+		obj.rect[1] = obj._centerY2 - 0.98*obj.rect[2]*Math.sin(obj.angle);
+		
+		draw._drag.prevX = draw.mouse[0];
+		draw._drag.prevY = draw.mouse[1];
+	},
+	rotateRulerStart2: function() {
+		var obj = draw.currCursor.obj;
+		draw.movePathToFront(obj._path);
+		draw._drag = {
+			obj: obj,
+			prevX: draw.mouse[0],
+			prevY: draw.mouse[1]
+		};
+		draw.animate(draw.ruler2.rotateRulerMove2,draw.ruler2.rotateRulerStop,drawCanvasPaths);
+		draw.cursorCanvas.style.cursor = draw.cursors.rotate;
+		draw.cursorOverride = draw.cursors.rotate;
+	},
+	rotateRulerMove2: function(e) {
+		updateMouse(e);		
+		var obj = draw._drag.obj;
+		
+		obj._centerX1 = obj.rect[0]+0.02*obj.rect[2]*Math.cos(obj.angle);
+		obj._centerY1 = obj.rect[1]+0.02*obj.rect[2]*Math.sin(obj.angle);
+		
+		obj.angle += measureAngle({c:draw.mouse,b:[obj._centerX1,obj._centerY1],a:[draw._drag.prevX,draw._drag.prevY],angleType:'radians'});
+		
+		draw._drag.prevX = draw.mouse[0];
+		draw._drag.prevY = draw.mouse[1];
+	},
+	rotateRulerStop: function() {
+		delete draw._drag;
+		delete draw.cursorOverride;
+	},
+	rotateRuler180: function() {
+		var obj = draw.currCursor.obj;
+		draw.movePathToFront(obj._path);
+		obj.angle += Math.PI;
+		obj.rect[0] += 2*obj._centerRel[0];
+		obj.rect[1] += 2*obj._centerRel[1];
+		drawCanvasPaths();
+	},
+	drawRulerStart1: function() {
+		var obj = draw.currCursor.obj;
+		draw.movePathToFront(obj._path);		
+		draw.drawing = true;
+		var pos = closestPointOnLineSegment(draw.mouse,obj._edgePos1,obj._edgePos2);
+		var line = {
+			type:'line',
+			color:draw.color,
+			thickness:draw.thickness,
+			startPos:pos,
+			finPos:pos
+		};
+		if (!un(draw.dash) && draw.dash.length > 0) line.dash = clone(draw.dash);	
+		draw.path.push({obj:[line],selected:false});
+		draw._drag = {
+			obj: obj,
+			line: line
+		};
+		draw.animate(draw.ruler2.drawRulerMove1,draw.ruler2.drawRulerStop,drawCanvasPaths);
+		draw.cursorCanvas.style.cursor = draw.currCursor.cursor;
+		draw.cursorOverride = draw.currCursor.cursor;
+	},
+	drawRulerStart2: function() {
+		var obj = draw.currCursor.obj;
+		draw.movePathToFront(obj._path);		
+		draw.drawing = true;
+		var pos = closestPointOnLineSegment(draw.mouse,obj._edgePos3,obj._edgePos4);
+		var line = {
+			type:'line',
+			color:draw.color,
+			thickness:draw.thickness,
+			startPos:pos,
+			finPos:pos
+		};
+		if (!un(draw.dash) && draw.dash.length > 0) line.dash = clone(draw.dash);	
+		draw.path.push({obj:[line],selected:false});
+		draw._drag = {
+			obj: obj,
+			line: line
+		};
+		draw.animate(draw.ruler2.drawRulerMove2,draw.ruler2.drawRulerStop,drawCanvasPaths);
+		draw.cursorCanvas.style.cursor = draw.currCursor.cursor;
+		draw.cursorOverride = draw.currCursor.cursor;
+	},
+	drawRulerMove1: function(e) {
+		updateMouse(e);		
+		var obj = draw._drag.obj;	
+		draw._drag.line.finPos = closestPointOnLineSegment(draw.mouse,obj._edgePos1,obj._edgePos2);
+	},
+	drawRulerMove2: function(e) {
+		updateMouse(e);		
+		var obj = draw._drag.obj;
+		draw._drag.line.finPos = closestPointOnLineSegment(draw.mouse,obj._edgePos3,obj._edgePos4);		
+	},
+	drawRulerStop: function() {
+		delete draw._drag;
+		delete draw.cursorOverride;
+		draw.drawing = false;
+		drawCanvasPaths();
+		calcCursorPositions();
+		lineDrawStop();
+	}
+}
+draw.compass2 = {
+	resizable: false,
+	//allowQuickDraw: false,
+	add: function () {
+		deselectAllPaths();
+		var obj = {
+			type: 'compass2',
+			armLength:250,
+			radius:150,
+			angle:0,
+			center1:[500,450],
+			radiusLocked:false,
+			compassVisible:true,
+			button:[20,20],
+		};
+		draw.path.push({
+			obj: [obj],
+			selected: true
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+	},
+	draw: function (ctx, obj, path) {
+	},
+	drawOverlay: function(ctx, obj, path) {
+		if (!un(obj.button)) {
+			ctx.translate(obj.button[0], obj.button[1]);		
+			var color = obj.compassVisible == true ? draw.buttonSelectedColor : draw.buttonColor;
+			roundedRect(ctx,3,3,49,49,8,6,'#000',color);
+
+			ctx.lineWidth = 1;
+			ctx.strokeStyle = '#000';
+
+			var center1 = [13, 45];
+			var center2 = [26, 15];
+			var center3 = [40, 45];
+			var armLength = Math.sqrt(Math.pow(0.5 * (center3[0] - center1[0]), 2) + Math.pow(center2[1] - center1[1], 2));
+
+			var angle2 = -0.5 * Math.PI - Math.atan((center2[1] - center1[1]) / (center2[0] - center1[0]));
+			var angle3 = 0.5 * Math.PI - Math.atan((center3[1] - center2[1]) / (center3[0] - center2[0]));
+
+			// draw pointy arm
+			ctx.translate(center2[0], center2[1]);
+			ctx.rotate(-angle2);
+
+			if (draw.compassVisible) {
+				roundedRect(ctx, -2, 0, 4, armLength - 5, 1, 1, '#000');
+			} else {
+				roundedRect(ctx, -2, 0, 4, armLength - 5, 1, 1, '#000', '#99F');
+			}
+			ctx.strokeStyle = '#000';
+			ctx.lineWidth = 0.5;
+			ctx.beginPath();
+			ctx.moveTo(-1, armLength - 5);
+			ctx.lineTo(0, armLength);
+			ctx.lineTo(1, armLength - 5);
+			ctx.lineTo(-1, armLength - 5);
+			ctx.stroke();
+			if (draw.compassVisible) {
+				ctx.fillStyle = '#333';
+				ctx.fill();
+			}
+
+			ctx.rotate(angle2);
+			ctx.translate(-center2[0], -center2[1]);
+
+			//draw pencil
+			ctx.beginPath();
+			ctx.strokeStyle = '#000';
+			ctx.lineWidth = 1;
+			ctx.moveTo(40, 45);
+			ctx.lineTo(38, 42);
+			ctx.lineTo(38, 25);
+			ctx.lineTo(42, 25);
+			ctx.lineTo(42, 42);
+			ctx.lineTo(40, 45);
+			if (!draw.compassVisible) {
+				if (draw.color == '#000') {
+					ctx.fillStyle = '#FC3';
+				} else {
+					ctx.fillStyle = draw.color;
+				}
+				ctx.fill();
+			}
+			ctx.stroke();
+			ctx.beginPath();
+			ctx.moveTo(40, 45);
+			ctx.lineTo(38, 42);
+			ctx.lineTo(42, 42);
+			ctx.lineTo(40, 45);
+			if (!draw.compassVisible) {
+				ctx.fillStyle = '#FFC';
+				ctx.fill();
+			}
+			ctx.stroke();
+			ctx.beginPath();
+			if (draw.color == '#000') {
+				ctx.fillStyle = '#FC3';
+			} else {
+				ctx.fillStyle = draw.color;
+			}
+			ctx.moveTo(40, 45);
+			ctx.lineTo(39.5, 44.3);
+			ctx.lineTo(40.5, 45.7);
+			ctx.lineTo(40, 45);
+			ctx.fill();
+			ctx.stroke();
+
+			ctx.strokeRect(44, 15 + armLength * 0.5, 1, 5);
+
+			// draw pencil arm
+			ctx.translate(center2[0], center2[1]);
+			ctx.rotate(-angle3);
+
+			var pAngle = Math.PI / 14;
+
+			ctx.beginPath();
+			ctx.moveTo(-2, 0);
+			ctx.lineTo(2, 0);
+			ctx.lineTo(2, armLength * 0.7);
+			ctx.lineTo(6, armLength * 0.7);
+			ctx.lineTo(6, armLength * 0.7 + 4);
+			ctx.lineTo(-2, armLength * 0.7);
+			ctx.lineTo(-2, 0);
+			ctx.stroke();
+			if (!draw.compassVisible) {
+				ctx.fillStyle = '#99F';
+				ctx.fill();
+			}
+
+			if (!draw.compassVisible) {
+				ctx.fillRect(6.5, armLength * 0.5 - 0.5, 1, 5);
+			}
+
+			ctx.rotate(angle3);
+			ctx.translate(-center2[0], -center2[1]);
+
+			// draw top of compass
+			ctx.translate(center2[0], center2[1]);
+
+			roundedRect(ctx, -2.5, -3, 5, 7, 1, 1, '#000', '#000');
+			roundedRect(ctx, -1, -6, 2, 3, 0, 1, '#000', '#000');
+			ctx.fillStyle = '#CCC';
+			ctx.beginPath();
+			ctx.arc(0, 0, 1, 0, 2 * Math.PI);
+			ctx.fill();
+
+			ctx.translate(-center2[0], -center2[1]);
+			ctx.translate(-obj.button[0], -obj.button[1]);
+		}
+		if (obj.compassVisible !== false) {
+			draw.compass2.recalc(obj);
+			
+			var armLength = obj.armLength;				
+			var center1 = obj.center1;				
+			var rad = obj.radius;	
+			var angle = obj.angle;
+					
+			var h = obj._h;
+			var center2 = obj._center2;
+			var center3 = obj._center3;
+			
+			var drawOn = obj._drawOn;
+			
+			ctx.save();
+			if (obj.radiusLocked == true || obj.mode == 'draw' || obj._drawing === true) {
+				// draw lock button
+				ctx.translate(center2[0],center2[1]);
+				if (drawOn == 'right') {
+					ctx.rotate(obj.angle);
+				} else {
+					ctx.rotate(obj.angle + Math.PI);			
+				}
+			
+				var lockHeight = 0.5 * obj._h;
+			
+				//bar	
+				ctx.fillStyle = '#99F';
+				ctx.strokeStyle = '#000';
+				ctx.lineWidth = 1;
+				ctx.fillRect(-0.25*obj.radius,lockHeight-5,0.5*obj.radius,10);
+				ctx.strokeRect(-0.25*obj.radius,lockHeight-5,0.5*obj.radius,10);
+
+				//circle
+				ctx.fillStyle = '#99F';
+				ctx.strokeStyle = '#333';
+				ctx.lineWidth = 3;
+				ctx.beginPath();
+				ctx.arc(0,lockHeight,15,0,2*Math.PI);
+				ctx.fill();	
+				ctx.stroke();
+
+				//padlock
+				ctx.fillStyle = '#333';
+				ctx.beginPath();
+				ctx.moveTo(6,lockHeight-2);
+				ctx.lineTo(6,lockHeight+3);
+				ctx.arc(0,lockHeight+3,6,0,Math.PI);
+				ctx.lineTo(-6,lockHeight+3);
+				ctx.lineTo(-6,lockHeight-2);
+				ctx.stroke();
+				ctx.fill();
+				
+				//keyhole
+				ctx.fillStyle = '#99F';
+				ctx.beginPath();
+				ctx.arc(0,lockHeight+2.5,1.5,0,2*Math.PI);
+				ctx.fill();
+				ctx.fillRect(-0.5,lockHeight+2.5,1,3);
+				
+				//arm
+				ctx.beginPath();
+				ctx.moveTo(-6,lockHeight+2);
+				ctx.lineTo(-6,lockHeight+2);
+				ctx.arc(0,lockHeight-4,5,Math.PI,2*Math.PI);
+				ctx.lineTo(6,lockHeight+2);
+				ctx.stroke();
+				
+				if (drawOn == 'right') {
+					ctx.rotate(-obj.angle);
+				} else {
+					ctx.rotate(-obj.angle - Math.PI);			
+				}
+				ctx.translate(-center2[0],-center2[1]);
+			} else {
+				// draw lock button
+				ctx.translate(center2[0],center2[1]);
+				if (drawOn == 'right') {
+					ctx.rotate(obj.angle);
+				} else {
+					ctx.rotate(obj.angle + Math.PI);			
+				}
+					
+				var lockHeight = 0.5 * obj._h;
+			
+				//bar	
+				ctx.fillStyle = '#999';
+				ctx.strokeStyle = '#999';
+				ctx.lineWidth = 2;
+				ctx.strokeRect(-0.25*obj.radius,lockHeight-5,0.5*obj.radius,10);
+
+				//circle
+				ctx.fillStyle = '#FFF';
+				ctx.strokeStyle = '#999';
+				ctx.lineWidth = 3;		
+				ctx.beginPath();
+				ctx.arc(0,lockHeight,15,0,2*Math.PI);
+				ctx.fill();	
+				ctx.stroke();
+
+				//padlock
+				ctx.fillStyle = '#999';
+				ctx.beginPath();
+				ctx.moveTo(6,lockHeight-2);
+				ctx.lineTo(6,lockHeight+3);
+				ctx.arc(0,lockHeight+3,6,0,Math.PI);
+				ctx.lineTo(-6,lockHeight+3);
+				ctx.lineTo(-6,lockHeight-2);
+				ctx.stroke();
+				ctx.fill();
+				
+				//keyhole
+				ctx.fillStyle = '#FFF';
+				ctx.beginPath();
+				ctx.arc(0,lockHeight+2.5,1.5,0,2*Math.PI);
+				ctx.fill();
+				ctx.fillRect(-0.5,lockHeight+2.5,1,3);
+				
+				//arm
+				ctx.beginPath();
+				ctx.moveTo(-6,lockHeight-2);
+				ctx.arc(0,lockHeight-4,5,(4/5)*Math.PI,(9/5)*Math.PI);
+				ctx.stroke();
+				
+				if (drawOn == 'right') {
+					ctx.rotate(-obj.angle);
+				} else {
+					ctx.rotate(-obj.angle - Math.PI);			
+				}
+				ctx.translate(-center2[0],-center2[1]);
+			}
+
+			ctx.lineWidth = 2;
+			ctx.strokeStyle = '#000';
+			ctx.fillStyle = '#000';
+
+			var angle2 = -0.5 * Math.PI - Math.atan((center2[1]-center1[1])/(center2[0]-center1[0]));
+			if (center2[0] < center1[0]) angle2 += Math.PI;
+			var angle3 = -0.5 * Math.PI - Math.atan((center3[1]-center2[1])/(center3[0]-center2[0]));
+			if (center2[0] < center3[0]) angle3 += Math.PI;
+			
+			// draw pointy arm
+			ctx.translate(center2[0],center2[1]);
+			ctx.rotate(-angle2);
+			
+			roundedRect(ctx,-7,0,14,armLength-20,3,4,'#000','#99F');
+			ctx.strokeStyle = '#000';
+			ctx.fillStyle = '#CCC';
+			ctx.lineWidth = 0.5;
+			ctx.beginPath();
+			ctx.moveTo(-3,armLength-20);
+			ctx.lineTo(0,armLength);
+			ctx.lineTo(3,armLength-20);
+			ctx.lineTo(-3,armLength-20);
+			ctx.fill();
+			ctx.stroke();
+			ctx.beginPath();
+			ctx.moveTo(0,0);
+			ctx.lineTo(0,armLength-26);
+			ctx.stroke();
+				
+			ctx.rotate(angle2);
+			ctx.translate(-center2[0],-center2[1]);
+
+			// draw pencil arm
+			ctx.translate(center2[0],center2[1]);
+			ctx.rotate(-angle3);
+			
+			if (drawOn == 'right') {
+				var pAngle = Math.PI/14;
+			} else {
+				var pAngle = -Math.PI/14;		
+			}
+			
+			//draw pencil
+			ctx.translate(0,armLength);
+			ctx.rotate(pAngle);
+			
+			ctx.beginPath();
+			ctx.strokeStyle = '#000';
+			ctx.lineWidth = 2;
+			if (draw.color == '#000') {
+				ctx.fillStyle = '#FC3';
+			} else {
+				ctx.fillStyle = draw.color;
+			}
+			ctx.moveTo(0,0);
+			ctx.lineTo(-10,-30);
+			ctx.lineTo(-10,-200);
+			ctx.lineTo(10,-200);	
+			ctx.lineTo(10,-30);
+			ctx.lineTo(0,0);
+			ctx.fill();
+			ctx.stroke();
+			ctx.beginPath();
+			ctx.fillStyle = '#FFC';
+			ctx.moveTo(0,0);
+			ctx.lineTo(-10,-30);
+			ctx.lineTo(10,-30);
+			ctx.lineTo(0,0);
+			ctx.fill();
+			ctx.stroke();
+			ctx.beginPath();
+			ctx.fillStyle = draw.color;
+			ctx.moveTo(0,0);
+			ctx.lineTo(-3,-9);
+			ctx.lineTo(3,-9);
+			ctx.lineTo(0,0);
+			ctx.fill();
+			ctx.stroke();
+			
+			ctx.rotate(-pAngle);	
+			ctx.translate(0,-armLength);
+			
+			ctx.fillStyle = '#99F';
+			ctx.beginPath();
+			if (drawOn == 'right') {
+				ctx.moveTo(-7,0);
+				ctx.lineTo(7,0);
+				ctx.lineTo(7,armLength-95);		
+				ctx.lineTo(7+45*Math.cos(pAngle),armLength-95+45*Math.sin(pAngle));
+				ctx.lineTo(7+45*Math.cos(pAngle)-20*Math.sin(pAngle),armLength-95+45*Math.sin(pAngle)+20*Math.cos(pAngle));
+				ctx.lineTo(-7,armLength-80);
+				ctx.lineTo(-7,0);
+			} else {
+				ctx.moveTo(7,0);
+				ctx.lineTo(-7,0);
+				ctx.lineTo(-7,armLength-95);		
+				ctx.lineTo(-7-45*Math.cos(pAngle),armLength-95-45*Math.sin(pAngle));
+				ctx.lineTo(-7-45*Math.cos(pAngle)-20*Math.sin(pAngle),armLength-95-45*Math.sin(pAngle)+20*Math.cos(pAngle));
+				ctx.lineTo(7,armLength-80);
+				ctx.lineTo(7,0);		
+			}
+			ctx.fill();
+			ctx.stroke();
+
+			ctx.translate(0,armLength);
+			ctx.rotate(pAngle);
+			
+			ctx.beginPath();
+			ctx.strokeStyle = '#000';
+			ctx.lineWidth = 2;
+			ctx.fillStyle = '#000';
+			if (drawOn == 'right') {
+				ctx.moveTo(14,-103);
+				ctx.lineTo(24,-103);
+				ctx.lineTo(24,-67);
+				ctx.lineTo(14,-67);	
+				ctx.lineTo(14,-103);
+			} else {
+				ctx.moveTo(-14,-103);
+				ctx.lineTo(-24,-103);
+				ctx.lineTo(-24,-67);
+				ctx.lineTo(-14,-67);	
+				ctx.lineTo(-14,-103);		
+			}
+			ctx.fill();
+			ctx.stroke();
+			
+			ctx.rotate(-pAngle);	
+			ctx.translate(0,-armLength);
+
+			ctx.strokeStyle = '#000';
+			ctx.fillStyle = '#CCC';
+			ctx.lineWidth = 0.5;
+			ctx.stroke();
+			ctx.beginPath();
+			ctx.moveTo(0,0);
+			ctx.lineTo(0,armLength-86);
+			ctx.stroke();
+
+			ctx.rotate(angle3);
+			ctx.translate(-center2[0],-center2[1]);	
+			
+			// draw top of compass
+			ctx.translate(center2[0],center2[1]);
+			if (drawOn == 'right') {
+				ctx.rotate(obj.angle);
+			} else {
+				ctx.rotate(obj.angle + Math.PI);		
+			}
+			
+			roundedRect(ctx,-15,-30,30,55,10,2,'#000','#000');
+			roundedRect(ctx,-5,-60,10,30,0,2,'#000','#000');	
+			ctx.fillStyle = '#CCC';
+			ctx.beginPath();
+			ctx.arc(0,0,7,0,2*Math.PI);
+			ctx.fill();
+			ctx.strokeStyle = '#000';
+			ctx.lineWidth = 1;
+			ctx.beginPath();
+			ctx.moveTo(-4,-4);
+			ctx.lineTo(4,4);
+			ctx.moveTo(4,-4);
+			ctx.lineTo(-4,4);
+			ctx.stroke();
+
+			if (drawOn == 'right') {
+				ctx.rotate(-obj.angle);
+			} else {
+				ctx.rotate(-obj.angle - Math.PI);		
+			}
+			ctx.translate(-center2[0],-center2[1]);			
+			ctx.restore();
+		}	
+	},
+	recalc: function(obj) {
+		if (!un(obj._lastCalcValues)) {
+			if (obj._lastCalcValues.armLength === obj.armLength && obj._lastCalcValues.radius === obj.radius && obj._lastCalcValues.angle === obj.angle && obj._lastCalcValues.center1X === obj.center1[0] && obj._lastCalcValues.center1Y === obj.center1[1]) return;
+		}
+		
+		var armLength = obj.armLength;				
+		var center1 = obj.center1;				
+		var rad = obj.radius;	
+		var angle = obj.angle;
+		
+		obj._h = Math.sqrt(Math.pow(armLength,2)-Math.pow(0.5*rad,2));
+		obj._center3 = [center1[0]+rad*Math.cos(angle),center1[1]+rad*Math.sin(angle)];
+
+		var angleX = (obj.angle%(2*Math.PI));
+		if (angleX < 0) angleX += 2*Math.PI;
+		if (angleX > 0.5 * Math.PI && angleX < 1.5 * Math.PI) {
+			obj._drawOn = 'left';	
+			obj._center2 = [center1[0]+0.5*rad*Math.cos(angle)-obj._h*Math.sin(angle),center1[1]+0.5*rad*Math.sin(angle)+obj._h*Math.cos(angle)];
+		} else {
+			obj._drawOn = 'right';
+			obj._center2 = [center1[0]+0.5*rad*Math.cos(angle)+obj._h*Math.sin(angle),center1[1]+0.5*rad*Math.sin(angle)-obj._h*Math.cos(angle)];
+		}
+
+		var mp1 = midpoint(obj.center1[0],obj.center1[1],obj._center3[0],obj._center3[1]);
+		var mp2 = midpoint(obj._center2[0],obj._center2[1],mp1[0],mp1[1]);
+		obj._lockCenter = mp2.slice(0);
+		
+		obj._lastCalcValues = {
+			armLength:obj.armLength,
+			center1X:obj.center1[0],
+			center1Y:obj.center1[1],
+			radius:obj.radius,
+			angle:obj.angle,
+		}
+	},
+	getRect: function (obj) {
+		if (!un(obj.button)) {
+			return [obj.button[0],obj.button[1],55,55];
+		} else {
+			return [20,20,55,55];
+		}
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.button[0] += dl;
+		obj.button[1] += dt;
+	},
+	getCursorPositionsInteract: function (obj, path) {
+		var pos = [];
+		if (obj.compassVisible === true) {
+			var angle2 = Math.atan((0.5*obj.radius)/obj._h);
+			if (obj._drawOn == 'right') {
+				var angle3 = angle2-obj.angle-Math.PI/14;
+				var center4 = [obj._center3[0]-200*Math.sin(angle3),obj._center3[1]-200*Math.cos(angle3)];
+			} else {
+				var angle3 = -(angle2+obj.angle-Math.PI/14);
+				var center4 = [obj._center3[0]+200*Math.sin(angle3),obj._center3[1]+200*Math.cos(angle3)];					
+			}
+
+			obj._pencilPolygon = [
+				[center4[0]+20*Math.cos(angle3),center4[1]-20*Math.sin(angle3)],
+				[center4[0]-20*Math.cos(angle3),center4[1]+20*Math.sin(angle3)],
+				[obj._center3[0]-20*Math.cos(angle3),obj._center3[1]+20*Math.sin(angle3)],
+				[obj._center3[0]+20*Math.cos(angle3),obj._center3[1]-20*Math.sin(angle3)]
+			];		
+			
+
+			if (obj._drawOn == 'right') {
+				obj._topPolygon = [
+					[obj._center2[0]-62*Math.sin(-obj.angle)+10*Math.cos(obj.angle),obj._center2[1]-62*Math.cos(obj.angle)-10*Math.sin(-obj.angle)],
+					[obj._center2[0]-62*Math.sin(-obj.angle)-10*Math.cos(obj.angle),obj._center2[1]-62*Math.cos(obj.angle)+10*Math.sin(-obj.angle)],
+					[obj._center2[0]-10*Math.cos(obj.angle),obj._center2[1]+10*Math.sin(-obj.angle)],
+					[obj._center2[0]+10*Math.cos(obj.angle),obj._center2[1]-10*Math.sin(-obj.angle)],
+				];
+			} else {
+				obj._topPolygon = [
+					[obj._center2[0]+62*Math.sin(-obj.angle)+10*Math.cos(obj.angle),obj._center2[1]+62*Math.cos(obj.angle)-10*Math.sin(-obj.angle)],
+					[obj._center2[0]+62*Math.sin(-obj.angle)-10*Math.cos(obj.angle),obj._center2[1]+62*Math.cos(obj.angle)+10*Math.sin(-obj.angle)],
+					[obj._center2[0]-10*Math.cos(obj.angle),obj._center2[1]+10*Math.sin(-obj.angle)],
+					[obj._center2[0]+10*Math.cos(obj.angle),obj._center2[1]-10*Math.sin(-obj.angle)],
+				];
+			}
+			
+			pos.push({
+				shape: 'line',
+				dims: [obj._center2,obj._center3,30],
+				cursor: draw.cursors.move1,
+				func: draw.compass2.moveCompassStart2,
+				interact: true,
+				path: path,
+				obj: obj
+			});
+			pos.push({
+				shape: 'polygon',
+				dims: obj._pencilPolygon,
+				cursor: draw.cursors.move1,
+				func: draw.compass2.moveCompassStart2,
+				interact: true,
+				path: path,
+				obj: obj
+			});
+			pos.push({
+				shape: 'line',
+				dims: [obj.center1,obj._center2,30],
+				cursor: draw.cursors.move1,
+				func: draw.compass2.moveCompassStart1,
+				interact: true,
+				path: path,
+				obj: obj
+			});
+			pos.push({
+				shape: 'polygon',
+				dims: obj._topPolygon,
+				cursor: draw.cursors.move1,
+				func: draw.compass2.moveCompassStart1,
+				interact: true,
+				path: path,
+				obj: obj
+			});
+			pos.push({
+				shape: 'circle',
+				dims: [obj._center2[0],obj._center2[1],40],
+				cursor: draw.cursors.rotate,
+				func: draw.compass2.drawCompassStart,
+				interact: true,
+				path: path,
+				obj: obj
+			});
+			pos.push({
+				shape: 'circle',
+				dims: [obj._lockCenter[0],obj._lockCenter[1],30],
+				cursor: draw.cursors.pointer,
+				func: draw.compass2.toggleCompassLock,
+				interact: true,
+				path: path,
+				obj: obj
+			});
+			
+		}
+		if (!un(obj.button)) {
+			pos.push({
+				shape: 'rect',
+				dims: [obj.button[0],obj.button[1],55,55],
+				cursor: draw.cursors.pointer,
+				func: draw.compass2.toggleCompassVisible,
+				interact: true,
+				path: path,
+				obj: obj
+			});
+		}
+		return pos;
+	},
+	getCursorPositionsSelected: function(obj, pathNum) {
+		return [];
+	},
+	toggleCompassVisible: function() {
+		var obj = draw.currCursor.obj;
+		obj.compassVisible = !obj.compassVisible;
+		drawCanvasPaths();
+	},
+	toggleCompassLock: function() {
+		var obj = draw.currCursor.obj;
+		draw.movePathToFront(obj._path);
+		obj.radiusLocked = !obj.radiusLocked;
+		drawCanvasPaths();
+	},
+	moveCompassStart1: function() {
+		var obj = draw.currCursor.obj;
+		draw.movePathToFront(obj._path);
+		draw._drag = {
+			obj: obj,
+			offset: [obj.center1[0]-draw.mouse[0],obj.center1[1]-draw.mouse[1]]
+		};
+		draw.animate(draw.compass2.moveCompassMove1,draw.compass2.moveCompassStop,drawCanvasPaths);
+		
+		draw.cursorCanvas.style.cursor = draw.cursors.move2;
+		draw.cursorOverride = draw.cursors.move2;
+	},
+	moveCompassMove1: function(e) {
+		updateMouse(e);
+		var obj = draw._drag.obj;
+		
+		obj.center1[0] = draw.mouse[0]+draw._drag.offset[0];
+		obj.center1[1] = draw.mouse[1]+draw._drag.offset[1];
+		
+		if (snapToObj2On || draw.snapLinesTogether) obj.center1 = snapToObj2(obj.center1);
+	},
+	moveCompassStart2: function() {
+		var obj = draw.currCursor.obj;
+		draw.movePathToFront(obj._path);
+		draw._drag = {
+			obj: obj,
+			offset: [obj._center3[0]-draw.mouse[0],obj._center3[1]-draw.mouse[1]]
+		};
+		draw.animate(draw.compass2.moveCompassMove2,draw.compass2.moveCompassStop,drawCanvasPaths);
+		draw.cursorCanvas.style.cursor = draw.cursors.move2;
+		draw.cursorOverride = draw.cursors.move2;
+	},
+	moveCompassMove2: function(e) {
+		updateMouse(e);		
+		var obj = draw._drag.obj;	
+		var offset = draw._drag.offset;	
+		
+		var newcenter3 = [draw.mouse[0]+offset[0],draw.mouse[1]+offset[1]];
+		
+		if (obj.radiusLocked == false) {
+			newcenter3 = snapToObj2(newcenter3,-1);
+			
+			var newRadius = Math.sqrt(Math.pow(newcenter3[0]-obj.center1[0],2)+Math.pow(newcenter3[1]-obj.center1[1],2));
+			
+			if (newRadius <= 1.85 * obj.armLength) {
+				obj._center3[0] = newcenter3[0];
+				obj._center3[1] = newcenter3[1];
+				obj.radius = newRadius;
+				if (obj._center3[0] >= obj.center1[0]) {
+					obj.angle = Math.atan((obj._center3[1]-obj.center1[1])/(obj._center3[0]-obj.center1[0]));
+				} else {
+					obj.angle = Math.PI + Math.atan((obj._center3[1]-obj.center1[1])/(obj._center3[0]-obj.center1[0]));
+				}			
+			} else {			
+				if (newcenter3[0] >= obj.center1[0]) {
+					obj.angle = Math.atan((newcenter3[1]-obj.center1[1])/(newcenter3[0]-obj.center1[0]));
+				} else {
+					obj.angle = Math.PI + Math.atan((newcenter3[1]-obj.center1[1])/(newcenter3[0]-obj.center1[0]));
+				}
+				obj._center3[0] = obj.center1[0] + 1.85 * obj.armLength * Math.cos(obj.angle);
+				obj._center3[1] = obj.center1[1] + 1.85 * obj.armLength * Math.sin(obj.angle);
+				obj.radius = 1.85 * obj.armLength;		
+			}
+		} else {
+			newcenter3 = snapToObj2(newcenter3,-1);
+			
+			obj.angle = getAngleFromAToB(obj.center1, newcenter3);
+			
+			obj._center3[0] = obj.center1[0] + obj.radius * Math.cos(obj.angle);
+			obj._center3[1] = obj.center1[1] + obj.radius * Math.sin(obj.angle);
+		}		
+	},
+	moveCompassStop: function() {
+		delete draw._drag;
+		delete draw.cursorOverride;
+	},
+	drawCompassStart: function() {
+		var obj = draw.currCursor.obj;
+		draw.movePathToFront(obj._path);
+		draw.drawing = true;
+		var arc = {
+			type:'arc',
+			color:draw.color,
+			thickness:draw.thickness,
+			center:obj.center1.slice(0),
+			radius:obj.radius,
+			startAngle:obj.angle,
+			finAngle:obj.angle,
+			clockwise:true
+		};
+		if (!un(draw.dash) && draw.dash.length > 0) arc.dash = clone(arc.dash);	
+		draw.path.push({obj:[arc],selected:false});
+		obj._drawing = true;
+		draw._drag = {
+			obj: obj,
+			arc: arc,
+			prev: clone(draw.mouse)
+		};
+		draw.animate(draw.compass2.drawCompassMove,draw.compass2.drawCompassStop,drawCanvasPaths);
+		draw.cursorCanvas.style.cursor = draw.currCursor.cursor;
+		draw.cursorOverride = draw.currCursor.cursor;
+	},
+	drawCompassMove: function(e) {
+		updateMouse(e);		
+		var obj = draw._drag.obj;	
+		var arc = draw._drag.arc;	
+		var prev = draw._drag.prev;	
+		
+		var dAngle = measureAngle({c:draw.mouse,b:[obj.center1[0],obj.center1[1]],a:prev,angleType:'radians'});
+		if (dAngle > Math.PI) {
+			obj.angle -= dAngle = 2*Math.PI-dAngle;
+		} else {
+			obj.angle += dAngle;
+		}
+		
+		arc.startAngle = Math.min(arc.startAngle,obj.angle);
+		arc.finAngle = Math.max(arc.finAngle,obj.angle);
+		draw._drag.prev = clone(draw.mouse);
+	},
+	drawCompassStop: function() {
+		delete draw._drag.obj._drawing;
+		delete draw._drag;
+		delete draw.cursorOverride;
+		draw.drawing = false;
+		drawCanvasPaths();
+		calcCursorPositions();
+	}
+}
+
+draw.textInput = {
+	add: function () {
+		deselectAllPaths();
+		var obj = {
+			type: 'text2',
+			text: [''],
+			align: [0, 0],
+			fontSize: 28,
+			rect: [50, 50, 250, 80],
+			box: {
+				type: 'loose',
+				color: '#FFC',
+				borderColor: '#000',
+				borderWidth: 2
+			},
+			ansIndex: 0,
+			ans: []
+		};
+		draw.path.push({
+			obj: [obj],
+			isInput: {
+				type: 'text',
+				backColors: {
+					unchecked: '#FFC',
+					correct: '#CFC',
+					wrong: '#FCC'
+				}
+			},
+			selected: true
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+	},
+	drawButton: function (ctx, size) {
+		ctx.fillStyle = '#FFF';
+		ctx.strokeStyle = '#000';
+		ctx.lineWidth = 2;
+		ctx.lineCap = 'round';
+		ctx.lineJoin = 'round';
+		ctx.beginPath();
+		ctx.fillRect(size * 8 / 55, size * 15 / 55, size * (55 - 16) / 55, size * 25 / 55);
+		ctx.strokeRect(size * 8 / 55, size * 15 / 55, size * (55 - 16) / 55, size * 25 / 55);
+		ctx.stroke();
+		text({
+			context: ctx,
+			left: size * 8 / 55,
+			width: size * (55 - 16) / 55,
+			top: size * 15 / 55,
+			textArray: ['<<font:Georgia>><<fontSize:' + size * 20 / 55 + '>><<align:center>>I']
+		});
+	},
+}
+draw.dropMenu = {
+	/*properties: [
+	text:{type:'array'},
+	rect:{type:'array'},
+	align:{type:'array',required:false},
+
+	],*/
+	add: function () {
+		deselectAllPaths();
+		var obj = {
+			type: 'dropMenu',
+			text: ["Questions"],
+			align: [-1, 0],
+			rect: [50, 50, 200, 50],
+			fontSize: 32,
+			box: {
+				type: 'loose',
+				color: '#3FF',
+				borderColor: '#000',
+				borderWidth: 3
+			},
+			optionBox: {
+				color: '#CFF',
+				lineWidth: 2,
+				align: [0, 0]
+			},
+			showDownArrow: true,
+			downArrowSize: 12,
+			options: [{
+					text: ["1"],
+					value: 1
+				}, {
+					text: ["2"],
+					value: 2
+				}, {
+					text: ["4"],
+					value: 4
+				}, {
+					text: ["6"],
+					value: 6
+				}, {
+					text: ["8"],
+					value: 8
+				}, {
+					text: ["10"],
+					value: 10
+				}
+			],
+			value: 1,
+			_open: false,
+			onchange: function (obj) {
+				console.log(obj.value);
+			}
+		};
+		draw.path.push({
+			obj: [obj],
+			selected: true
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+	},
+	draw: function (ctx, obj, path) {
+		draw.text2.draw(ctx, obj, path);
+		var obj2 = clone(obj);
+
+		if (obj.showDownArrow == true) {
+			ctx.fillStyle = '#000';
+			ctx.lineJoin = 'round';
+			ctx.lineCap = 'round';
+			var t = obj.rect[1] + obj.rect[3] / 2;
+			var s = obj.downArrowSize || 8;
+			var l = obj.rect[0] + obj.rect[2] - 7 - s;
+			ctx.beginPath();
+			ctx.moveTo(l - s, t - s / 2);
+			ctx.lineTo(l + s, t - s / 2);
+			ctx.lineTo(l, t + s);
+			ctx.lineTo(l - s, t - s / 2);
+			ctx.fill();
+		}
+
+		if (obj._open === true) {
+			var obj2 = clone(obj);
+			var top = obj2.rect[1];
+			var height = obj2.rect[3];
+			for (var o = 0; o < obj2.options.length; o++) {
+				var opt = obj2.options[o];
+				top += height;
+				obj2.rect[1] = top;
+				obj2.align = obj2.optionBox.align;
+				obj2.box.color = obj2.optionBox.color;
+				obj2.box.lineWidth = obj2.optionBox.lineWidth;
+				obj2.text = opt.text;
+				draw.text2.draw(ctx, obj2, path);
+			}
+		}
+	},
+	getRect: function (obj) {
+		var rect = clone(obj.rect);
+		if (obj._open == true) {
+			rect[3] *= (obj.options.length + 1)
+		}
+		return rect;
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.rect[0] += dl;
+		obj.rect[1] += dt;
+		obj.rect[2] += dw;
+		if (obj._open == true)
+			dh /= (obj.options.length + 1);
+		obj.rect[3] += dh;
+	},
+	resizable: true,
+	textEdit: true,
+	getButtons: function (x1, y1, x2, y2, pathNum, path) {
+		if (un(path) && un(pathNum))
+			return;
+		if (un(path))
+			path = draw.path[pathNum];
+		if (un(path.obj))
+			return;
+		var obj = path.obj[0];
+		var buttons = [];
+		buttons.push({
+			buttonType: 'dropMenu-open',
+			shape: 'rect',
+			dims: [x2 - 40, y1, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.dropMenu.clickToggleOpen,
+			path: draw.path[pathNum],
+			pathNum: pathNum,
+			obj: obj,
+			draw: function (path, ctx, l, t, w, h) {
+				var obj = path.obj[0];
+				ctx.fillStyle = colorA('#F99', 0.5);
+				ctx.fillRect(l, t, w, h);
+				ctx.fillStyle = '#000';
+				ctx.lineJoin = 'round';
+				ctx.lineCap = 'round';
+				var t2 = t + h / 2;
+				var l2 = l + w / 2;
+				var s = w * 0.4;
+
+				ctx.beginPath();
+
+				if (obj._open === true) {
+					ctx.moveTo(l2 - s, t2 + s / 2);
+					ctx.lineTo(l2 + s, t2 + s / 2);
+					ctx.lineTo(l2, t2 - s);
+					ctx.lineTo(l2 - s, t2 + s / 2);
+				} else {
+					ctx.moveTo(l2 - s, t2 - s / 2);
+					ctx.lineTo(l2 + s, t2 - s / 2);
+					ctx.lineTo(l2, t2 + s);
+					ctx.lineTo(l2 - s, t2 - s / 2);
+				}
+
+				ctx.fill();
+			}
+		});
+		return buttons;
+	},
+	clickToggleOpen: function () {
+		var obj = draw.currCursor.obj;
+		obj._open = un(obj._open) ? true : !obj._open;
+		updateBorder(draw.currCursor.path);
+		drawCanvasPaths();
+	},
+	clickSetValue: function (obj) {
+		var obj = draw.currCursor.obj;
+		var value = draw.currCursor.value;
+		obj._open = false;
+		if (obj.value !== value) {
+			obj.value = value;
+			for (var o = 0; o < obj.options.length; o++) {
+				var opt = obj.options[o];
+				if (opt.value === value) {
+					if (!un(opt.text))
+						obj.text = clone(opt.text);
+					break;
+				}
+			}
+			if (typeof obj.onchange == 'function') {
+				obj.onchange(obj);
+			}
+		}
+		drawCanvasPaths();
+	},
+	getCursorPositionsInteract: function (obj, path) {
+		var pos = [];
+		pos.push({
+			shape: 'rect',
+			dims: obj.rect,
+			cursor: draw.cursors.pointer,
+			func: draw.dropMenu.clickToggleOpen,
+			interact: true,
+			path: path,
+			obj: obj
+		});
+
+		if (obj._open === true) {
+			var top = obj.rect[1];
+			var height = obj.rect[3];
+			for (var o2 = 0; o2 < obj.options.length; o2++) {
+				var opt = obj.options[o2];
+				top += height;
+				pos.push({
+					shape: 'rect',
+					dims: [obj.rect[0], top, obj.rect[2], height],
+					cursor: draw.cursors.pointer,
+					func: draw.dropMenu.clickSetValue,
+					interact: true,
+					path: path,
+					obj: obj,
+					value: opt.value
+				});
+			}
+		}
+
+		return pos;
+	},
+	getCursorPositionsSelected: function (obj, pathNum) {
+		return [{
+				shape: 'rect',
+				dims: clone(obj.tightRect),
+				cursor: draw.cursors.text,
+				func: textEdit.selectStart,
+				obj: obj,
+				pathNum: pathNum,
+				highlight: -1
+			}
+		];
+	}
+}
+draw.container = {
+	resizable: true,
+	add: function () {
+		deselectAllPaths();
+		var obj = {
+			type: 'container',
+			center: getRelPos([300, 400]),
+			lineWidth: 8,
+			lineColor: '#000',
+			fillColor: '#99F',
+			fillLevel: 200,
+			shape: [{
+					type: 'line',
+					pos: [[0, 50], [200, 200]]
+				}
+			]
+		};
+		draw.path.push({
+			obj: [obj],
+			selected: true
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+	},
+	draw: function (ctx, obj) {
+		ctx.translate(obj.center[0], obj.center[1]);
+		for (var s = 0; s < obj.shape.length; s++) {
+			var shape = obj.shape[s];
+			if (obj.fillLevel >= shape.pos[1][0]) {
+				ctx.fillStyle = obj.fillColor;
+				ctx.beginPath();
+				ctx.moveTo(shape.pos[0][1], -shape.pos[0][0]);
+				ctx.lineTo(shape.pos[1][1], -shape.pos[1][0]);
+				ctx.lineTo(-shape.pos[1][1], -shape.pos[1][0]);
+				ctx.lineTo(-shape.pos[0][1], -shape.pos[0][0]);
+				ctx.fill();
+			} else if (obj.fillLevel > shape.pos[0][0]) {
+				var w = draw.container.getWidthAtHeight(obj, obj.fillLevel);
+				ctx.fillStyle = obj.fillColor;
+				ctx.beginPath();
+				ctx.moveTo(shape.pos[0][1], -shape.pos[0][0]);
+				ctx.lineTo(w, -obj.fillLevel);
+				ctx.lineTo(-w, -obj.fillLevel);
+				ctx.lineTo(-shape.pos[0][1], -shape.pos[0][0]);
+				ctx.fill();
+			}
+		}
+
+		ctx.beginPath();
+		ctx.lineJoin = 'round';
+		ctx.lineCap = 'round';
+		ctx.strokeStyle = obj.lineColor;
+		ctx.lineWidth = obj.lineWidth;
+		ctx.moveTo(0, 0);
+		for (var s = 0; s < obj.shape.length; s++) {
+			var shape = obj.shape[s];
+			ctx.lineTo(shape.pos[0][1], -shape.pos[0][0]);
+			ctx.lineTo(shape.pos[1][1], -shape.pos[1][0]);
+		}
+		ctx.moveTo(0, 0);
+		for (var s = 0; s < obj.shape.length; s++) {
+			var shape = obj.shape[s];
+			ctx.lineTo(-shape.pos[0][1], -shape.pos[0][0]);
+			ctx.lineTo(-shape.pos[1][1], -shape.pos[1][0]);
+		}
+		ctx.stroke();
+		ctx.translate(-obj.center[0], -obj.center[1]);
+	},
+	getWidthAtHeight: function (obj, h) {
+		var w = 0;
+		for (var s = 0; s < obj.shape.length; s++) {
+			var shape = obj.shape[s];
+			if (shape.type == 'line' && shape.pos[0][0] <= h && h <= shape.pos[1][0]) {
+				return shape.pos[0][1] + ((h - shape.pos[0][0]) / (shape.pos[1][0] - shape.pos[0][0])) * (shape.pos[1][1] - shape.pos[0][1]);
+			}
+		}
+		return w;
+	},
+	getTotalArea: function (obj) {
+		var area = 0;
+		for (var s = 0; s < obj.shape.length; s++) {
+			var shape = obj.shape[s];
+			if (shape.type == 'line') {
+				var w1 = shape.pos[0][1];
+				var w2 = shape.pos[1][1];
+				var hh = shape.pos[1][0] - shape.pos[0][0];
+				area += 0.5 * (w1 + w2) * hh;
+			}
+		}
+		return area;
+	},
+	getHeightAtArea: function (obj, area) {
+		var h = 0;
+		var areaCount = 0;
+		for (var s = 0; s < obj.shape.length; s++) {
+			var shape = obj.shape[s];
+			if (shape.type == 'line') {
+				var w1 = shape.pos[0][1];
+				var w2 = shape.pos[1][1];
+				var hh = shape.pos[1][0] - shape.pos[0][0];
+				var shapeArea = 0.5 * (w1 + w2) * hh;
+				if (areaCount + shapeArea >= area) {
+					area -= areaCount;
+					if (w1 == w2) {
+						return shape.pos[0][0] + area / w1;
+					} else {
+						var m = (w2 - w1) / hh;
+						return shape.pos[0][0] + (Math.sqrt(w1 * w1 + 2 * m * area) - w1) / m;
+					}
+				}
+				areaCount += shapeArea;
+				h = shape.pos[1][0];
+			}
+		}
+		return h;
+	},
+	setFillLevelToArea: function (obj, area) {
+		obj.fillLevel = draw.container.getHeightAtArea(obj, area);
+	},
+	getTotalVolume: function (obj) {
+		var vol = 0;
+		for (var s = 0; s < obj.shape.length; s++) {
+			var shape = obj.shape[s];
+			if (shape.type == 'line') {
+				var r1 = shape.pos[0][1];
+				var r2 = shape.pos[1][1];
+				var h = shape.pos[1][0] - shape.pos[0][0];
+				vol += (Math.PI / 3) * h * (r1 * r1 + r2 * r2 + r1 * r2);
+			}
+		}
+		return vol;
+	},
+	getHeightAtVolume: function (obj, vol) {
+		var h = 0;
+		var volCount = 0;
+		for (var s = 0; s < obj.shape.length; s++) {
+			var shape = obj.shape[s];
+			if (shape.type == 'line') {
+				var r1 = shape.pos[0][1];
+				var r2 = shape.pos[1][1];
+				var hh = shape.pos[1][0] - shape.pos[0][0];
+				var shapeVol = (Math.PI / 3) * hh * (r1 * r1 + r2 * r2 + r1 * r2);
+				if (volCount + shapeVol >= vol) {
+					vol -= volCount;
+					var m = (r2 - r1) / hh;
+					var d = -vol;
+					var c = Math.PI * r1 * r1;
+					var b = Math.PI * r1 * m;
+					var a = (Math.PI / 3) * m * m;
+					var h2 = solveCubic(a, b, c, d)[0];
+					return shape.pos[0][0] + h2;
+					//return shape.pos[0][0]+(3*vol)/(Math.PI*(r1*r1+r2*r2+r1*r2));
+				}
+				volCount += shapeVol;
+				h = shape.pos[1][0];
+			}
+		}
+		return h;
+	},
+	setFillLevelToVolume: function (obj, vol) {
+		obj.fillLevel = draw.container.getHeightAtVolume(obj, vol);
+	},
+	getRect: function (obj) {
+		var xMax = 0;
+		var yMax = 0;
+		for (var s = 0; s < obj.shape.length; s++) {
+			var shape = obj.shape[s];
+			xMax = Math.max(xMax, shape.pos[0][1], shape.pos[1][1]);
+			yMax = Math.max(yMax, shape.pos[0][0], shape.pos[1][0]);
+		}
+		return [obj.center[0] - xMax, obj.center[1] - yMax, xMax * 2, yMax];
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.center[0] += dl;
+		obj.center[1] += dt;
+	},
+	/*getCursorPositionsUnselected: function(obj,pathNum) {
+	return [{shape:'rect',dims:obj.rect,cursor:draw.cursors.pointer,func:drawClickSelect,obj:obj,pathNum:pathNum,highlight:-1}];
+	},*/
+	/*getSnapPos: function(obj) {
+	var snapPos = [];
+	var left = obj.rect[0];
+	var top = obj.rect[1];
+	var width = obj.rect[2];
+	var height = obj.rect[3];
+
+	if (boolean(obj.vertical == true)) {
+	var x0 = left+0.5*width;
+
+	if (typeof obj.arrows == 'number') {
+	snapPos.push({type:'point',pos:[x0,obj.rect[1]]});
+	snapPos.push({type:'point',pos:[x0,obj.rect[1]+obj.rect[3]]});
+	top += obj.arrows;
+	height -= 2*obj.arrows;
+	}
+
+	var y0 = top-(obj.min*height)/(obj.max-obj.min);
+
+	var minorSpacing = (height*obj.minorStep)/(obj.max-obj.min);
+	var yAxisPoint = y0;
+	while (Math.round(yAxisPoint) <= Math.round(top + height)) {
+	if (Math.round(yAxisPoint) >= Math.round(top)) {
+	snapPos.push({type:'point',pos:[x0,yAxisPoint]});
+	}
+	yAxisPoint += minorSpacing;
+	}
+	var yAxisPoint = y0 - minorSpacing;
+	while (Math.round(yAxisPoint) >= Math.round(top)) {
+	if (Math.round(yAxisPoint) <= Math.round(top + height)) {
+	snapPos.push({type:'point',pos:[x0,yAxisPoint]});
+	}
+	yAxisPoint -= minorSpacing;
+	}
+
+	var majorSpacing = (height*obj.majorStep)/(obj.max-obj.min);
+	var yAxisPoint = y0;
+	while (Math.round(yAxisPoint) <= Math.round(top + height)) {
+	if (Math.round(yAxisPoint) >= Math.round(top)) {
+	snapPos.push({type:'point',pos:[x0,yAxisPoint]});
+	}
+	yAxisPoint += majorSpacing;
+	}
+	var yAxisPoint = y0 - majorSpacing;
+	while (Math.round(yAxisPoint) >= Math.round(top)) {
+	if (Math.round(yAxisPoint) <= Math.round(top + height)) {
+	snapPos.push({type:'point',pos:[x0,yAxisPoint]});
+	}
+	yAxisPoint -= majorSpacing;
+	}
+	} else {
+	var y0 = top+0.5*height;
+
+	if (typeof obj.arrows == 'number') {
+	snapPos.push({type:'point',pos:[obj.rect[0],y0]});
+	snapPos.push({type:'point',pos:[obj.rect[0]+obj.rect[2],y0]});
+	left += obj.arrows;
+	width -= 2*obj.arrows;
+	}
+
+	var x0 = left-(obj.min*width)/(obj.max-obj.min);
+
+	var minorSpacing = (width*obj.minorStep)/(obj.max-obj.min);
+	var xAxisPoint = x0;
+	while (Math.round(xAxisPoint) <= Math.round(left + width)) {
+	if (Math.round(xAxisPoint) >= Math.round(left)) {
+	snapPos.push({type:'point',pos:[xAxisPoint,y0]});
+	}
+	xAxisPoint += minorSpacing;
+	}
+	var xAxisPoint = x0 - minorSpacing;
+	while (Math.round(xAxisPoint) >= Math.round(left)) {
+	if (Math.round(xAxisPoint) <= Math.round(left + width)) {
+	snapPos.push({type:'point',pos:[xAxisPoint,y0]});
+	}
+	xAxisPoint -= minorSpacing;
+	}
+
+	var majorSpacing = (width*obj.majorStep)/(obj.max-obj.min);
+	var xAxisPoint = x0;
+	while (Math.round(xAxisPoint) <= Math.round(left + width)) {
+	if (Math.round(xAxisPoint) >= Math.round(left)) {
+	snapPos.push({type:'point',pos:[xAxisPoint,y0]});
+	}
+	xAxisPoint += majorSpacing;
+	}
+	var xAxisPoint = x0 - majorSpacing;
+	while (Math.round(xAxisPoint) >= Math.round(left)) {
+	if (Math.round(xAxisPoint) <= Math.round(left + width)) {
+	snapPos.push({type:'point',pos:[xAxisPoint,y0]});
+	}
+	xAxisPoint -= majorSpacing;
+	}
+	}
+
+	return snapPos;
+	},*/
+	setLineWidth: function (obj, lineWidth) {
+		obj.lineWidth = lineWidth;
+	},
+	setLineColor: function (obj, color) {
+		obj.lineColor = color;
+	},
+	setFillColor: function (obj, color) {
+		obj.fillColor = color;
+	},
+	getLineWidth: function (obj) {
+		return obj.lineWidth;
+	},
+	getLineColor: function (obj) {
+		return obj.lineColor;
+	},
+	getFillColor: function (obj) {
+		return obj.fillColor;
+	},
+	/*getButtons: function(x1,y1,x2,y2,pathNum) {
+	var buttons = [];
+	if (un(draw.path[pathNum])) return [];
+	var obj = draw.path[pathNum].obj[0];
+
+	var dims = obj.vertical == true ? [x1,y1+20,20,20] : [x1+20,y1,20,20];
+	var button = {buttonType:'numberline-toggleHorizVert',shape:'rect',dims:dims,cursor:draw.cursors.pointer,func:draw.numberline.toggleHorizVert,pathNum:pathNum};
+	button.draw = function(path,ctx,l,t,w,h) {
+	ctx.fillStyle = colorA('#F96',0.5);
+	ctx.fillRect(l,t,w,h);
+	ctx.strokeStyle = colorA('#000',0.5);
+	ctx.strokeRect(l,t,w,h);
+	ctx.beginPath();
+	if (boolean(path.obj[0].vertical,false) == true) {
+	ctx.moveTo(l+0.5*w,t+0.15*h);
+	ctx.lineTo(l+0.5*w,t+0.85*h);
+	for (var i = 0; i < 4; i++) {
+	ctx.moveTo(l+0.4*w,t+(0.15+(0.7/3)*i)*h);
+	ctx.lineTo(l+0.6*w,t+(0.15+(0.7/3)*i)*h);
+	}
+	} else {
+	ctx.moveTo(l+0.15*w,t+0.5*h);
+	ctx.lineTo(l+0.85*w,t+0.5*h);
+	for (var i = 0; i < 4; i++) {
+	ctx.moveTo(l+(0.15+(0.7/3)*i)*w,t+0.4*h);
+	ctx.lineTo(l+(0.15+(0.7/3)*i)*w,t+0.6*h);
+	}
+	}
+	ctx.stroke();
+	}
+	buttons.push(button);
+
+	var dims = obj.vertical == true ? [x1,y1+40,20,20] : [x1+40,y1,20,20];
+	var button = {buttonType:'numberline-toggleScale',shape:'rect',dims:dims,cursor:draw.cursors.pointer,func:draw.numberline.toggleScale,pathNum:pathNum};
+	button.draw = function(path,ctx,l,t,w,h) {
+	if (boolean(path.obj[0].showScales,true) == true) {
+	ctx.fillStyle = colorA('#F96',0.5);
+	ctx.fillRect(l,t,w,h);
+	}
+	ctx.strokeStyle = colorA('#000',0.5);
+	ctx.strokeRect(l,t,w,h);
+	text({ctx:ctx,textArray:['<<fontSize:'+(w/2)+'>>123'],left:l,top:t,width:w,height:h,textAlign:'center',vertAlign:'middle'});
+	}
+	buttons.push(button);
+
+	var dims = obj.vertical == true ? [x1,y1+60,20,20] : [x1+60,y1,20,20];
+	var button = {buttonType:'numberline-toggleMinorPos',shape:'rect',dims:dims,cursor:draw.cursors.pointer,func:draw.numberline.toggleMinorPos,pathNum:pathNum};
+	button.draw = function(path,ctx,l,t,w,h) {
+	if (boolean(path.obj[0].showMinorPos,true) == true) {
+	ctx.fillStyle = colorA('#F96',0.5);
+	ctx.fillRect(l,t,w,h);
+	}
+	ctx.strokeStyle = colorA('#000',0.5);
+	ctx.strokeRect(l,t,w,h);
+	text({ctx:ctx,textArray:['<<fontSize:'+(w/2)+'>>min'],left:l,top:t,width:w,height:h,textAlign:'center',vertAlign:'middle'});
+	}
+	buttons.push(button);
+
+	var dims = obj.vertical == true ? [x1,y1+80,20,20] : [x1+80,y1,20,20];
+	var button = {buttonType:'numberline-toggleArrows',shape:'rect',dims:dims,cursor:draw.cursors.pointer,func:draw.numberline.toggleArrows,pathNum:pathNum};
+	button.draw = function(path,ctx,l,t,w,h) {
+	if (typeof path.obj[0].arrows == 'number') {
+	ctx.fillStyle = colorA('#F96',0.5);
+	ctx.fillRect(l,t,w,h);
+	}
+	ctx.strokeStyle = colorA('#000',0.5);
+	ctx.strokeRect(l,t,w,h);
+	drawArrow({ctx:ctx,startX:l+0.2*w,startY:t+0.5*h,finX:l+0.8*w,finY:t+0.5*h,doubleEnded:true,color:'#000',lineWidth:1,fillArrow:true,arrowLength:5});
+	}
+	buttons.push(button);
+
+	return buttons;
+	},*/
+	/*drawButton: function() {
+	var l = 0;
+	var t = 0;
+	var w = draw.buttonSize;
+	var h = draw.buttonSize;
+	var ctx = this.ctx;
+
+	roundedRect(ctx,3,3,w-6,h-6,8,6,'#000',draw.buttonColor);
+
+	ctx.strokeStyle = draw.color;
+	ctx.lineWidth = 2*(w/55);
+	ctx.lineCap = 'round';
+	ctx.lineJoin = 'round';
+
+	ctx.save();
+	ctx.beginPath();
+	ctx.moveTo(l+0.15*w,t+0.5*h);
+	ctx.lineTo(l+0.85*w,t+0.5*h);
+	for (var i = 0; i < 4; i++) {
+	ctx.moveTo(l+(0.15+(0.7/3)*i)*w,t+0.4*h);
+	ctx.lineTo(l+(0.15+(0.7/3)*i)*w,t+0.6*h);
+	}
+	ctx.stroke();
+	ctx.restore();
+	},*/
+	/*drawButton: function(ctx,size) {
+	ctx.strokeStyle = '#000';
+	ctx.lineWidth = 0.03*size;
+
+	ctx.beginPath();
+	ctx.moveTo(0.15*size,0.5*size);
+	ctx.lineTo(0.85*size,0.5*size);
+	for (var i = 0; i < 4; i++) {
+	ctx.moveTo((0.15+(0.7/3)*i)*size,0.4*size);
+	ctx.lineTo((0.15+(0.7/3)*i)*size,0.6*size);
+	}
+	ctx.stroke();
+	},*/
+	scale: function (obj, sf, center) {
+		if (!un(center)) {
+			obj.center[0] = center[0] + sf * (obj.center[0] - center[0]);
+			obj.center[1] = center[1] + sf * (obj.center[1] - center[1]);
+		}
+		for (var s = 0; s < obj.shape.length; s++) {
+			var shape = obj.shape[s];
+			shape.pos[0][0] *= sf;
+			shape.pos[0][1] *= sf;
+			shape.pos[1][0] *= sf;
+			shape.pos[1][1] *= sf;
+		}
+		obj.fillLevel *= sf;
+		if (!un(obj.lineWidth))
+			obj.lineWidth *= sf;
+	}
+};
+draw.three = {
+	add: function () {
+		deselectAllPaths(false);
+		changeDrawMode();
+		draw.path.push({
+			obj: [{
+					type: 'three',
+					center: getRelPos([600, 350]),
+					gridSize: 210,
+					gridStep: 35,
+					snapTo: 35,
+					fillStyle: '#0FF',
+					alpha: 0.5,
+					paths3d: [
+						/*{type:'grid',squares:8,size:35,direction:[0,0,1],color:'#CCC',alpha:1},*/
+						/*{type:'arrow',pos:[[7*35,0,0],[5*35,0,0]],fill:true,color:'#000',alpha:1},*/
+						{
+							type: 'prism',
+							polygon: [[-2 * 35, 2 * 35], [2 * 35, -4 * 35], [2 * 35, 2 * 35]],
+							center: [0, 0, 0],
+							height: 4 * 35
+						},
+					],
+					drawBackFaces: 'auto', /* auto, dash, outline, none */
+					drawFaceNormals: false,
+					faceGrid: false,
+					cubeBuildingMode: true,
+					brightness: 1,
+					contrast: 0.5,
+					tilt: 0.35,
+					angle: 1.75 * Math.PI,
+					/*angleMin:1.5*Math.PI,//*/
+					/*angleMax:2*Math.PI,//*/
+				}
+			],
+			selected: true
+		});
+		draw.updateAllBorders();
+		drawCanvasPaths();
+		//draw.controlPanel.draw();
+		drawSelectCanvas();
+	},
+	path3d: {
+		grid: {
+			get: function () {
+				var obj = sel();
+				return {
+					type: 'grid',
+					squares: Math.round(obj.gridSize / obj.gridStep),
+					size: obj.gridStep,
+					direction: clone(dir),
+					color: '#CCC',
+					alpha: 1
+				};
+			},
+			getPos3d: function (path3d) {
+				var direction = !un(path3d.direction) ? path3d.direction : [0, 0, 1];
+				var width = path3d.size * path3d.squares;
+				var v = [],
+				e = [],
+				f = [];
+
+				if (arraysEqual(direction, [0, 0, 1])) {
+					var paths = [];
+					for (var i = 0; i <= path3d.squares; i++) {
+						var pos2 = -width / 2 + i * path3d.size;
+						paths.push({
+							pos: [[pos2, -width / 2, 0.001], [pos2, width / 2, 0.001]],
+							lineWidth: 1,
+							strokeStyle: '#000'
+						}, {
+							pos: [[-width / 2, pos2, 0.001], [width / 2, pos2, 0.001]],
+							lineWidth: 1,
+							strokeStyle: '#000'
+						});
+					}
+					var pos = [
+						[ - (width) / 2,  - (width) / 2, 0],
+						[ - (width) / 2, (width) / 2, 0],
+						[(width) / 2, (width) / 2, 0],
+						[(width) / 2,  - (width) / 2, 0]
+					];
+					var f = [{
+							pos3d: clone(pos),
+							stroke: false,
+							fillStyle: '#CCC',
+							drawFirst: true,
+							paths: paths
+						}, {
+							pos3d: clone(pos).reverse(),
+							stroke: false,
+							fillStyle: '#CCC',
+							drawFirst: true,
+							paths: paths
+						}
+					];
+				} else if (arraysEqual(direction, [1, 0, 0])) {
+					var paths = [];
+					for (var i = 0; i <= path3d.squares; i++) {
+						var pos1 = i * path3d.size;
+						var pos2 = -width / 2 + i * path3d.size;
+						paths.push({
+							pos: [[-width / 2 + 0.001, pos2, 0], [-width / 2 + 0.001, pos2, width]],
+							lineWidth: 1,
+							strokeStyle: '#000'
+						}, {
+							pos: [[-width / 2 + 0.001, -width / 2, pos1], [-width / 2 + 0.001, width / 2, pos1]],
+							lineWidth: 1,
+							strokeStyle: '#000'
+						});
+					}
+					var pos = [
+						[-width / 2, -width / 2, 0],
+						[-width / 2, -width / 2, width],
+						[-width / 2, width / 2, width],
+						[-width / 2, width / 2, 0]
+					];
+					var f = [{
+							pos3d: clone(pos),
+							stroke: false,
+							fillStyle: '#CCC',
+							drawFirst: true,
+							paths: paths
+						}, {
+							pos3d: clone(pos).reverse(),
+							stroke: false,
+							fillStyle: '#CCC',
+							drawFirst: true,
+							paths: paths
+						}
+					];
+				} else if (arraysEqual(direction, [0, 1, 0])) {
+					var paths = [];
+					for (var i = 0; i <= path3d.squares; i++) {
+						var pos1 = i * path3d.size;
+						var pos2 = -width / 2 + i * path3d.size;
+						paths.push({
+							pos: [[pos2, -width / 2 + 0.001, 0], [pos2, -width / 2 + 0.001, width]],
+							lineWidth: 1,
+							strokeStyle: '#000'
+						}, {
+							pos: [[-width / 2, -width / 2 + 0.001, pos1], [width / 2, -width / 2 + 0.001, pos1]],
+							lineWidth: 1,
+							strokeStyle: '#000'
+						});
+					}
+					var pos = [
+						[-width / 2, -width / 2, 0],
+						[-width / 2, -width / 2, width],
+						[width / 2, -width / 2, width],
+						[width / 2, -width / 2, 0]
+					];
+					var f = [{
+							pos3d: clone(pos),
+							stroke: false,
+							fillStyle: '#CCC',
+							drawFirst: true,
+							paths: paths
+						}, {
+							pos3d: clone(pos).reverse(),
+							stroke: false,
+							fillStyle: '#CCC',
+							drawFirst: true,
+							paths: paths
+						}
+					];
+				}
+				e = [];
+				return {
+					vertices: v,
+					faces: f,
+					edges: e
+				};
+			},
+			scale: function (path3d, sf) {
+				path3d.size *= sf;
+			},
+			getUnitPolygons: function (obj, path3d) {}
+		},
+		dotGrid: {
+			get: function () {
+				var obj = sel();
+				return {
+					type: 'dotGrid',
+					squares: Math.round(obj.gridSize / obj.gridStep),
+					size: obj.gridStep,
+					direction: [0, 0, 1],
+					strokeStyle: '#999',
+					fillStyle: '#999',
+					alpha: 1
+				};
+			},
+			getPos3d: function (path3d) {
+				var direction = !un(path3d.direction) ? path3d.direction : [0, 0, 1];
+				var width = path3d.size * path3d.squares;
+				var v = [],
+				e = [],
+				f = [];
+
+				if (arraysEqual(direction, [0, 0, 1])) {
+					var paths = [];
+					var min = path3d.infinite == true ? -16 : 0;
+					var max = path3d.infinite == true ? 16 : path3d.squares;
+					for (var i = min; i <= max; i++) {
+						for (var j = min; j <= max; j++) {
+							var pos1 = -width / 2 + i * path3d.size;
+							var pos2 = -width / 2 + j * path3d.size;
+							paths.push({
+								pos: [pos1, pos2, 0],
+								fillStyle: path3d.fillStyle,
+								radius: 4,
+								limit: boolean(path3d.infinite, false)
+							});
+						}
+					}
+					var pos = [
+						[ - (width) / 2,  - (width) / 2, 0],
+						[ - (width) / 2, (width) / 2, 0],
+						[(width) / 2, (width) / 2, 0],
+						[(width) / 2,  - (width) / 2, 0]
+					];
+					var f = [{
+							pos3d: clone(pos),
+							stroke: false,
+							fill: false,
+							drawFirst: false,
+							paths: paths
+						}
+					];
+				} else if (arraysEqual(direction, [1, 0, 0])) {
+					var paths = [];
+					var min = path3d.infinite == true ? -16 : 0;
+					var max = path3d.infinite == true ? 16 : path3d.squares;
+					for (var i = min; i <= max; i++) {
+						for (var j = min; j <= max; j++) {
+							var pos1 = -width / 2 + i * path3d.size;
+							var pos2 = j * path3d.size;
+							paths.push({
+								pos: [-width / 2, pos1, pos2],
+								fillStyle: path3d.fillStyle,
+								radius: 4,
+								limit: boolean(path3d.infinite, false)
+							});
+						}
+					}
+					var pos = [
+						[-width / 2, -width / 2, 0],
+						[-width / 2, -width / 2, width],
+						[-width / 2, width / 2, width],
+						[-width / 2, width / 2, 0]
+					];
+					var f = [{
+							pos3d: clone(pos),
+							stroke: false,
+							fill: false,
+							drawFirst: false,
+							paths: paths
+						}
+					];
+				} else if (arraysEqual(direction, [0, 1, 0])) {
+					var paths = [];
+					var min = path3d.infinite == true ? -16 : 0;
+					var max = path3d.infinite == true ? 16 : path3d.squares;
+					for (var i = min; i <= max; i++) {
+						for (var j = min; j <= max; j++) {
+							var pos1 = -width / 2 + i * path3d.size;
+							var pos2 = j * path3d.size;
+							paths.push({
+								pos: [pos1, width / 2, pos2],
+								fillStyle: path3d.fillStyle,
+								radius: 4,
+								limit: boolean(path3d.infinite, false)
+							});
+						}
+					}
+					var pos = [
+						[-width / 2, width / 2, 0],
+						[-width / 2, width / 2, width],
+						[width / 2, width / 2, width],
+						[width / 2, width / 2, 0]
+					];
+					var f = [{
+							pos3d: clone(pos),
+							stroke: false,
+							fill: false,
+							drawFirst: false,
+							paths: paths
+						}
+					];
+				}
+				e = [];
+				return {
+					vertices: v,
+					faces: f,
+					edges: e
+				};
+			},
+			scale: function (path3d, sf) {
+				path3d.size *= sf;
+			}
+		},
+		arrow: {
+			getPos3d: function (path3d) {
+				var direction = !un(path3d.direction) ? path3d.direction : [0, 0, 1];
+				var v = [],
+				e = [],
+				f = [];
+				var pos = draw.three.path3d.arrow.getPoints(path3d);
+				f.push({
+					pos3d: [pos[0], pos[2], pos[1], pos[3]],
+					stroke: false,
+					fill: false,
+					paths: [{
+							pos: [pos[0], pos[1]],
+							strokeStyle: '#000',
+							lineWidth: 2
+						}, {
+							pos: [pos[1], pos[2], pos[3]],
+							fillStyle: '#000'
+						},
+					]
+				});
+				f.push({
+					pos3d: [pos[0], pos[3], pos[1], pos[2]],
+					stroke: false,
+					fill: false,
+					paths: [{
+							pos: [pos[0], pos[1]],
+							strokeStyle: '#000',
+							lineWidth: 2
+						}, {
+							pos: [pos[1], pos[2], pos[3]],
+							fillStyle: '#000'
+						},
+					]
+				});
+				return {
+					vertices: v,
+					faces: f,
+					edges: e
+				};
+			},
+			getPoints: function (path3d) {
+				var arrowLength = path3d.arrowLength || 30;
+				var angleBetweenLinesRads = path3d.angleBetweenLinesRads || 0.5;
+
+				var p0 = path3d.pos[0];
+				var p1 = path3d.pos[1];
+				var gradient = (-1 * (p1[1] - p0[1])) / (p1[0] - [0][0]);
+
+				var angleToHorizontal = Math.abs(Math.atan(gradient));
+				var remainingAngle = Math.PI / 2 - angleBetweenLinesRads - angleToHorizontal;
+				if (gradient !== 0 && p1[1] > p0[1]) { // downwards
+					angleBetweenLinesRads = Math.PI - angleBetweenLinesRads
+						remainingAngle = Math.PI / 2 - angleBetweenLinesRads - angleToHorizontal;
+				}
+				var v1 = [Math.sin(remainingAngle) * arrowLength, Math.cos(remainingAngle) * arrowLength];
+				var v2 = [Math.cos(angleBetweenLinesRads - angleToHorizontal) * arrowLength, Math.sin(angleBetweenLinesRads - angleToHorizontal) * arrowLength];
+
+				if ((gradient == Infinity) || (gradient < 0 && p1[1] < p0[1]) || (gradient == 0 && p1[0] < p0[0]) || (gradient < 0 && p1[1] > p0[1])) {
+					var signs = [1, 1, 1, -1];
+				} else if (gradient == -Infinity) {
+					var signs = [1, -1, 1, 1];
+				} else if ((gradient > 0 && p1[1] < p0[1]) || (gradient == 0 && p1[0] > p0[0]) || (gradient > 0 && p1[1] > p0[1])) {
+					var signs = [-1, 1, -1, -1];
+				}
+
+				var p2 = [p1[0] + signs[0] * v1[0], p1[1] + signs[1] * v1[1]];
+				var p3 = [p1[0] + signs[2] * v2[0], p1[1] + signs[3] * v2[1]];
+
+				p1[2] = p0[2];
+				p2[2] = p0[2];
+				p3[2] = p0[2];
+				return [p0, p1, p2, p3];
+			},
+			scale: function (path3d, sf) {
+				path3d.pos[0][0] *= sf;
+				path3d.pos[0][1] *= sf;
+				path3d.pos[1][0] *= sf;
+				path3d.pos[1][1] *= sf;
+				if (!un(path3d.arrowLength))
+					path3d.arrowLength *= sf;
+			}
+		},
+		cuboid: {
+			get: function () {
+				var obj = sel();
+				return {
+					type: 'cuboid',
+					pos: [-obj.gridStep, -obj.gridStep, 0],
+					dims: [2 * obj.gridStep, 2 * obj.gridStep, 2 * obj.gridStep]
+				};
+			},
+			getPos3d: function (path3d) {
+				var pos = path3d.pos;
+				var dims = path3d.dims;
+				var v = [],
+				e = [],
+				f = [];
+				var p = [
+					[pos[0], pos[1], pos[2]],
+					[pos[0] + dims[0], pos[1], pos[2]],
+					[pos[0] + dims[0], pos[1] + dims[1], pos[2]],
+					[pos[0], pos[1] + dims[1], pos[2]],
+					[pos[0], pos[1], pos[2] + dims[2]],
+					[pos[0] + dims[0], pos[1], pos[2] + dims[2]],
+					[pos[0] + dims[0], pos[1] + dims[1], pos[2] + dims[2]],
+					[pos[0], pos[1] + dims[1], pos[2] + dims[2]],
+				];
+
+				var labels = path3d.labels || [];
+				for (var l = 0; l < labels.length; l++) {
+					var label = labels[l];
+					if (label.type == 'vertex') {
+						var n = label.offsetMagnitude || 17;
+						var offset = [
+							[-n, -n, -n],
+							[n, -n, -n],
+							[n, n, -n],
+							[-n, n, -n],
+							[-n, -n, n],
+							[n, -n, n],
+							[n, n, n],
+							[-n, n, n]
+						][label.pos];
+						label.pos3d = vector.addVectors(p[label.pos], offset);
+					} else if (label.type == 'edge') {
+						if (label.pos.length !== 2)
+							continue;
+						label.pos.sort();
+						var a = label.pos[0];
+						var b = label.pos[1];
+						var n = label.offsetMagnitude || 25;
+						var pos3d = vector.addVectors(p[a], p[b]);
+						pos3d = [pos3d[0] / 2, pos3d[1] / 2, pos3d[2] / 2];
+						var offset = [0, 0, 0];
+						if (a == 0 && b == 1) {
+							offset = [0, -n, -n];
+						} else if (a == 1 && b == 2) {
+							offset = [n, 0, -n];
+						} else if (a == 2 && b == 3) {
+							offset = [0, n, -n];
+						} else if (a == 0 && b == 3) {
+							offset = [-n, 0, -n];
+						} else if (a == 0 && b == 4) {
+							offset = [-n, -n, 0];
+						} else if (a == 1 && b == 5) {
+							offset = [n, -n, 0];
+						} else if (a == 2 && b == 6) {
+							offset = [n, n, 0];
+						} else if (a == 3 && b == 7) {
+							offset = [-n, n, 0];
+						} else if (a == 4 && b == 5) {
+							offset = [0, -n, n];
+						} else if (a == 5 && b == 6) {
+							offset = [n, 0, n];
+						} else if (a == 6 && b == 7) {
+							offset = [0, n, n];
+						} else if (a == 4 && b == 7) {
+							offset = [-n, 0, n];
+						}
+						label.pos3d = vector.addVectors(pos3d, offset);
+					}
+				}
+
+				var f = [{
+						pos3d: [p[3], p[2], p[1], p[0]],
+						paths: [{
+								pos: p[0],
+								fillStyle: '#F00',
+								strokeStyle: '#000',
+								drag: draw.three.pointDragStart,
+								vars: {
+									type: 'center'
+								},
+								path3d: path3d,
+								dragOnly: true
+							}, {
+								pos: p[1],
+								fillStyle: '#00F',
+								strokeStyle: '#000',
+								drag: draw.three.pointDragStart,
+								vars: {
+									type: 'dim',
+									dimIndex: 0
+								},
+								path3d: path3d,
+								dragOnly: true
+							}, {
+								pos: p[3],
+								fillStyle: '#00F',
+								strokeStyle: '#000',
+								drag: draw.three.pointDragStart,
+								vars: {
+									type: 'dim',
+									dimIndex: 1
+								},
+								path3d: path3d,
+								dragOnly: true
+							}
+						]
+					}, {
+						pos3d: [p[0], p[1], p[5], p[4]]
+					}, {
+						pos3d: [p[1], p[2], p[6], p[5]]
+					}, {
+						pos3d: [p[2], p[3], p[7], p[6]]
+					}, {
+						pos3d: [p[3], p[0], p[4], p[7]]
+					}, {
+						pos3d: [p[4], p[5], p[6], p[7]],
+						paths: [{
+								pos: p[4],
+								fillStyle: '#060',
+								strokeStyle: '#000',
+								drag: draw.three.pointDragStart,
+								vars: {
+									type: 'dim',
+									dimIndex: 2
+								},
+								path3d: path3d,
+								dragOnly: true
+							}
+						]
+					}
+				];
+				/* eg.
+				path3d.angles = [{pos:[0,4,2],lineColor:'#000',lineWidth:2,fillColor:'#F00',radius:30,drawLines:true,drawCurve:true}];
+				 */
+				//console.log(p);
+				if (!un(path3d.paths)) {
+					for (var a = 0; a < path3d.paths.length; a++) {
+						if (path3d.paths[a].type == 'angle') {
+							var angle = path3d.paths[a];
+							var anglePos = [p[angle.pos[0]], p[angle.pos[1]], p[angle.pos[2]]];
+							var labelType = 'measure';
+							if (angle.labelType == 'none') {
+								labelType = 'none';
+							} else if (!un(angle.label)) {
+								labelType = 'custom';
+								if (typeof angle.label == 'string')
+									angle.label = [angle.label];
+							}
+							f.push({
+								pos3d: anglePos,
+								stroke: false,
+								fill: false,
+								drawFirst: boolean(angle.drawFirst, false),
+								drawLast: boolean(angle.drawLast, false),
+								paths: [{
+										type: 'angle',
+										pos: clone(anglePos),
+										lineColor: angle.lineColor || '#000',
+										lineWidth: angle.lineWidth || 2,
+										fillColor: angle.fillColor || '#00F',
+										radius: angle.radius || 50,
+										drawLines: boolean(angle.drawLines, true),
+										drawCurve: boolean(angle.drawCurve, true),
+										fillTriangle: angle.fillTriangle || 'none',
+										lineTriangle: angle.lineTriangle || 'none',
+										labelType: labelType,
+										label: angle.label || '',
+										labelRadius: angle.labelRadius || ((angle.radius || 50) + 25),
+										visible: boolean(angle.visible, true)
+									}
+								]
+							});
+						} else if (path3d.paths[a].type == 'polygon') {
+							var polygon = path3d.paths[a];
+
+							var polygonPos = [];
+							for (var a2 = 0; a2 < polygon.pos.length; a2++) {
+								if (typeof polygon.pos[a2] == 'object') {
+									if (polygon.pos[a2].type == 'midpoint') {
+										var pos1 = p[polygon.pos[a2].pos1];
+										var pos2 = p[polygon.pos[a2].pos2];
+										var pos3 = vector.addVectors(pos1, pos2);
+										polygonPos[a2] = vector.setMagnitude(pos3, vector.getMagnitude(pos3) / 2);
+									}
+								} else if (typeof polygon.pos[a2] == 'number') {
+									polygonPos[a2] = p[polygon.pos[a2]];
+								}
+							}
+
+							f.push({
+								pos3d: polygonPos,
+								stroke: false,
+								fill: false,
+								paths: [{
+										type: 'polygon',
+										pos: clone(polygonPos),
+										lineColor: polygon.lineColor || '#000',
+										lineWidth: polygon.lineWidth || 2,
+										fillColor: polygon.fillColor || '#00F',
+										visible: boolean(polygon.visible, true)
+									}
+								]
+							});
+						} else if (path3d.paths[a].type == 'lineSegment') {
+							var lineSegment = path3d.paths[a];
+
+							if (typeof lineSegment.pos[0] == 'object') {
+								if (lineSegment.pos[0].type == 'midpoint') {
+									var c = p[lineSegment.pos[0].pos[0]];
+									var d = p[lineSegment.pos[0].pos[1]];
+									var m = vector.addVectors(clone(c), clone(d));
+									var x = [m[0] / 2, m[1] / 2, m[2] / 2];
+								}
+							} else {
+								var x = p[lineSegment.pos[0]];
+							}
+							if (typeof lineSegment.pos[1] == 'object') {
+								if (lineSegment.pos[1].type == 'midpoint') {
+									var c = p[lineSegment.pos[1].pos[0]];
+									var d = p[lineSegment.pos[1].pos[1]];
+									var m = vector.addVectors(clone(c), clone(d));
+									var y = [m[0] / 2, m[1] / 2, m[2] / 2];
+								}
+							} else {
+								var y = p[lineSegment.pos[1]];
+							}
+
+							var pos3 = vector.addVectors(y, [0, 0, -103]);
+							var lineSegmentPos = [x, y, pos3];
+							f.push({
+								pos3d: [x, y],
+								stroke: false,
+								fill: false,
+								paths: [{
+										type: 'lineSegment',
+										pos: [x, y],
+										lineColor: lineSegment.lineColor || lineSegment.color || '#00F',
+										lineWidth: lineSegment.lineWidth || lineSegment.width || 2,
+										visible: boolean(lineSegment.visible, true)
+									}
+								]
+							});
+						}
+					}
+				}
+
+				/*if (!un(path3d.diagonalFace0)) {
+				f.push({pos3d:[p[0],p[4],p[6],p[2]]});
+				}*/
+				return {
+					vertices: v,
+					edges: e,
+					faces: f,
+					labels: labels
+				};
+			},
+			pointDragMove: function (obj, path3d, vars) {
+				switch (vars.type) {
+				case 'center':
+					var pos3d = draw.three.convert2dPosTo3d(obj, draw.mouse);
+					if (!un(obj.gridBounds)) {
+						path3d.pos[0] = Math.min(draw.three.snapPos(obj, pos3d[0], 0), obj.gridBounds[0][1] * obj.gridStep - path3d.dims[0]);
+						path3d.pos[1] = Math.min(draw.three.snapPos(obj, pos3d[1], 1), obj.gridBounds[1][1] * obj.gridStep - path3d.dims[1]);
+					} else {
+						path3d.pos[0] = Math.min(draw.three.snapPos(obj, pos3d[0], 0), obj.gridSize / 2 - path3d.dims[0]);
+						path3d.pos[1] = Math.min(draw.three.snapPos(obj, pos3d[1], 1), obj.gridSize / 2 - path3d.dims[1]);
+					}
+					break
+				case 'dim':
+					if (vars.dimIndex == 2) {
+						var pos = draw.three.convert3dPosTo2d(obj, path3d.pos);
+						path3d.dims[2] = draw.three.snapPos(obj, draw.three.convert2dHeightTo3d(obj, pos[1] - draw.mouse[1]), 2);
+						var snapTo = obj.snapTo || obj.gridStep || 60;
+						path3d.dims[2] = Math.max(path3d.dims[2], snapTo);
+					} else {
+						var pos = draw.three.convert2dPosTo3d(obj, draw.mouse);
+						var snapTo = obj.snapTo || obj.gridStep || 60;
+						var i = vars.dimIndex;
+						if (!un(obj.gridBounds)) {
+							path3d.dims[i] = bound(pos[i] - path3d.pos[i], obj.gridStep, obj.gridBounds[i][1] * obj.gridStep - path3d.pos[i], snapTo);
+						} else {
+							path3d.dims[i] = bound(pos[i], obj.gridStep, obj.gridSize - path3d.pos[i], snapTo);
+						}
+					}
+					break;
+				}
+			},
+			scale: function (path3d, sf) {
+				for (var i = 0; i < 3; i++) {
+					path3d.pos[i] *= sf;
+					path3d.dims[i] *= sf;
+				}
+			}
+		},
+		prism: {
+			get: function () {
+				var obj = sel();
+				var polygon = [];
+				var da = 2 * Math.PI / 5;
+				var a = -da / 2;
+				for (var i = 0; i < 5; i++) {
+					polygon.push([2 * obj.gridStep * Math.cos(a), 2 * obj.gridStep * Math.sin(a)]);
+					a += da;
+				}
+				drawSelectedPaths();
+				return {
+					type: 'prism',
+					polygon: polygon,
+					center: [0, 0, 0],
+					height: 4 * obj.gridStep
+				};
+			},
+			rotate: function (obj, path3d) {
+				if (un(path3d.direction) || arraysEqual(path3d.direction, [0, 0, 1])) {
+					path3d.direction = [1, 0, 0];
+					path3d.center = [-obj.gridStep * 3, 0, obj.gridStep * 3];
+				} else {
+					path3d.direction = [0, 0, 1];
+					path3d.center = [0, 0, 0];
+				}
+			},
+			getPos3d: function (path3d) {
+				var direction = !un(path3d.direction) ? path3d.direction : [0, 0, 1];
+				var closed = !un(path3d.closed) ? path3d.closed : [true, true];
+				var polygon = path3d.polygon;
+				if (polygonClockwiseTest(polygon) == true)
+					polygon.reverse();
+				var c = path3d.center;
+				var h = path3d.height;
+				var v = [],
+				e = [],
+				f = [];
+				var v1 = [],
+				v2 = [];
+
+				if (arraysEqual(direction, [0, 0, 1]) || arraysEqual(direction, [0, 0, -1])) {
+					for (var p = 0; p < polygon.length; p++) {
+						v1.push([polygon[p][0] + c[0], polygon[p][1] + c[1], c[2]]);
+						v2.push([polygon[p][0] + c[0], polygon[p][1] + c[1], c[2] + h]);
+					}
+				} else if (arraysEqual(direction, [1, 0, 0]) || arraysEqual(direction, [-1, 0, 0])) {
+					for (var p = 0; p < polygon.length; p++) {
+						v1.push([c[0], polygon[p][0] + c[1], polygon[p][1] + c[2]]);
+						v2.push([c[0] + h, polygon[p][0] + c[1], polygon[p][1] + c[2]]);
+					}
+				} else if (arraysEqual(direction, [0, 1, 0]) || arraysEqual(direction, [0, -1, 0])) {
+					polygon.reverse();
+					for (var p = 0; p < polygon.length; p++) {
+						v1.push([polygon[p][0] + c[0], c[1], polygon[p][1] + c[2]]);
+						v2.push([polygon[p][0] + c[0], c[1] + h, polygon[p][1] + c[2]]);
+					}
+				}
+
+				if (arraysEqual(direction, [0, 0, 1]) || arraysEqual(direction, [0, 0, -1])) {
+					var polygonPoints = [];
+					for (var p = 0; p < v1.length; p++) {
+						polygonPoints.push({
+							pos: v1[p],
+							fillStyle: '#F00',
+							strokeStyle: '#000',
+							drag: draw.three.pointDragStart,
+							vars: {
+								type: 'polygonPoint',
+								pointIndex: p
+							},
+							path3d: path3d,
+							dragOnly: true
+						});
+					}
+					//polygonPoints.push({pos:c,fillStyle:'#00F',strokeStyle:'#000',drag:draw.three.pointDragStart,vars:{type:'center'},path3d:path3d,dragOnly:true});
+
+					f.push({
+						pos3d: clone(v1).reverse(),
+						paths: polygonPoints
+					});
+					for (var p = 0; p < polygon.length; p++) {
+						var next = (p + 1) % polygon.length;
+						f.push({
+							pos3d: [v1[p], v1[next], v2[next], v2[p]]
+						});
+					}
+					f.push({
+						pos3d: clone(v2),
+						paths: [{
+								pos: [c[0], c[1], c[2] + h],
+								fillStyle: '#060',
+								strokeStyle: '#000',
+								drag: draw.three.pointDragStart,
+								vars: {
+									type: 'height'
+								},
+								path3d: path3d,
+								dragOnly: true
+							}
+						]
+					});
+				} else {
+					f.push({
+						pos3d: clone(v1).reverse()
+					});
+					for (var p = 0; p < polygon.length; p++) {
+						var next = (p + 1) % polygon.length;
+						f.push({
+							pos3d: [v1[p], v1[next], v2[next], v2[p]]
+						});
+					}
+					f.push({
+						pos3d: clone(v2)
+					});
+				}
+
+				var labels = path3d.labels || [];
+				if (!un(path3d.labels)) {
+					for (var l = 0; l < labels.length; l++) {
+						var label = labels[l];
+						if (label.type == 'vertex') {
+							var n = label.offsetMagnitude || 17;
+							if (label.pos == 'center2') {
+								label.pos3d = vector.addVectors([c[0], c[1], c[2] + h], [0, 0, 22]);
+							} else if (label.pos == 'center1') {
+								var offset = label.offset || [0, 0, 22];
+								label.pos3d = vector.addVectors(clone(c), offset);
+							} else {
+								if (label.pos < polygon.length) {
+									var vertexPos = v1[label.pos];
+									var v3 = vector.getVectorAB(clone(c), vertexPos);
+									var v4 = !un(label.offset) ? label.offset : vector.setMagnitude(v3, n * 1.5);
+									label.pos3d = vector.addVectors(vertexPos, v4);
+								} else {
+									var vertexPos = v2[label.pos % polygon.length];
+									var v3 = vector.getVectorAB([c[0], c[1], c[2] + h], vertexPos);
+									var v4 = !un(label.offset) ? label.offset : vector.setMagnitude(v3, n * 1.5);
+									label.pos3d = vector.addVectors(vertexPos, v4);
+								}
+							}
+						} else if (label.type == 'edge') {
+							if (label.pos.length !== 2)
+								continue;
+
+							var a = label.pos[0] < polygon.length ? v1[label.pos[0]] : v2[label.pos[0] % polygon.length];
+
+							var b = label.pos[1] < polygon.length ? v1[label.pos[1]] : v2[label.pos[1] % polygon.length];
+
+							var m = vector.addVectors(a, b);
+							m = [m[0] / 2, m[1] / 2, m[2] / 2];
+
+							if (!un(label.offset)) {
+								var offset = label.offset;
+							} else {
+								if (label.pos[0] < polygon.length && label.pos[1] < polygon.length) {
+									var cent = c;
+								} else if (label.pos[0] >= polygon.length && label.pos[1] >= polygon.length) {
+									var cent = [c[0], c[1], c[2] + h];
+								} else {
+									var cent = [c[0], c[1], c[2] + 0.5 * h];
+								}
+
+								var n = label.offsetMagnitude || 25;
+								var offset = vector.getVectorAB(clone(cent), m);
+								var offset = vector.setMagnitude(offset, n * 2);
+							}
+
+							label.pos3d = vector.addVectors(m, offset)
+						}
+					}
+				}
+				if (!un(path3d.paths)) {
+					for (var a = 0; a < path3d.paths.length; a++) {
+						if (path3d.paths[a].type == 'angle') {
+							var angle = path3d.paths[a];
+
+							var anglePos = [];
+							for (var a2 = 0; a2 < 3; a2++) {
+								if (typeof angle.pos[a2] == 'number') {
+									if (angle.pos[a2] < polygon.length) {
+										anglePos[a2] = v1[angle.pos[a2]];
+									} else {
+										anglePos[a2] = v2[angle.pos[a2] % polygon.length];
+									}
+								} else if (angle.pos[a2] == 'center1') {
+									anglePos[a2] = clone(c);
+								} else if (angle.pos[a2] == 'center2') {
+									anglePos[a2] = [c[0], c[1], c[2] + h];
+								}
+							}
+
+							var labelType = 'measure';
+							if (angle.labelType == 'none') {
+								labelType = 'none';
+							} else if (!un(angle.label)) {
+								labelType = 'custom';
+								if (typeof angle.label == 'string')
+									angle.label = [angle.label];
+							}
+							f.push({
+								pos3d: anglePos,
+								stroke: false,
+								fill: false,
+								paths: [{
+										type: 'angle',
+										pos: clone(anglePos),
+										lineColor: angle.lineColor || '#000',
+										lineWidth: angle.lineWidth || 2,
+										fillColor: angle.fillColor || '#00F',
+										radius: angle.radius || 50,
+										drawLines: boolean(angle.drawLines, true),
+										drawCurve: boolean(angle.drawCurve, true),
+										fillTriangle: angle.fillTriangle || 'none',
+										lineTriangle: angle.lineTriangle || 'none',
+										labelType: labelType,
+										label: angle.label || '',
+										labelRadius: angle.labelRadius || ((angle.radius || 50) + 25),
+										visible: boolean(angle.visible, true)
+									}
+								]
+							});
+						}
+					}
+				}
+
+				return {
+					vertices: v,
+					edges: e,
+					faces: f,
+					labels: labels
+				};
+			},
+			pointDragMove: function (obj, path3d, vars) {
+				switch (vars.type) {
+				case 'polygonPoint':
+					var pos3d = draw.three.convert2dPosTo3d(obj, draw.mouse);
+					var polygon = clone(path3d.polygon);
+					var snapTo = obj.snapTo || obj.gridStep || 60;
+					if (!un(obj.gridBounds)) {
+						polygon[vars.pointIndex][0] = bound(pos3d[0], obj.gridBounds[0][0] * obj.gridStep, obj.gridBounds[0][1] * obj.gridStep, snapTo);
+						polygon[vars.pointIndex][1] = bound(pos3d[1], obj.gridBounds[1][0] * obj.gridStep, obj.gridBounds[1][1] * obj.gridStep, snapTo);
+					} else {
+						polygon[vars.pointIndex][0] = bound(pos3d[0], -obj.gridSize, obj.gridSize, obj.snapTo);
+						polygon[vars.pointIndex][1] = bound(pos3d[1], -obj.gridSize, obj.gridSize, obj.snapTo);
+					}
+					if (polygonSelfIntersect2(polygon) == false && polygonConvexTest(polygon) == true)
+						path3d.polygon = polygon;
+					break;
+				case 'center':
+					var pos3d = draw.three.convert2dPosTo3d(obj, draw.mouse);
+
+					var poly = path3d.polygon;
+					var xMin = xMax = poly[0][0];
+					var yMin = yMax = poly[0][1];
+					for (var p = 0; p < poly.length; p++) {
+						xMin = Math.min(xMin, poly[p][0]);
+						xMax = Math.max(xMax, poly[p][0]);
+						yMin = Math.min(yMin, poly[p][1]);
+						yMax = Math.max(yMax, poly[p][1]);
+					}
+					var dxMin = -obj.gridSize - xMin;
+					var dxMax = obj.gridSize - xMax;
+					var dyMin = -obj.gridSize - yMin;
+					var dyMax = obj.gridSize - yMax;
+					var dx = bound(pos3d[0] - path3d.center[0], dxMin, dxMax, obj.snapTo);
+					var dy = bound(pos3d[1] - path3d.center[1], dyMin, dyMax, obj.snapTo);
+
+					path3d.center[0] += dx;
+					path3d.center[1] += dy;
+					for (var p = 0; p < path3d.polygon.length; p++) {
+						path3d.polygon[p][0] += dx;
+						path3d.polygon[p][1] += dy;
+					}
+					break
+				case 'height':
+					var center = draw.three.convert3dPosTo2d(obj, path3d.center);
+					var snapTo = obj.snapTo || obj.gridStep || 60;
+					var height = draw.three.convert2dHeightTo3d(obj, center[1] - draw.mouse[1]);
+
+					if (!un(obj.gridBounds)) {
+						height = bound(height, obj.gridBounds[2][0] * obj.gridStep + snapTo, obj.gridBounds[2][1] * obj.gridStep, snapTo);
+					} else {
+						height = bound(height, -obj.gridSize, obj.gridSize, obj.snapTo);
+						height = bound(height, -obj.gridSize, obj.gridSize, obj.snapTo);
+					}
+					path3d.height = height;
+
+					break;
+				}
+			},
+			scale: function (path3d, sf) {
+				for (var i = 0; i < path3d.polygon.length; i++) {
+					path3d.polygon[i][0] *= sf;
+					path3d.polygon[i][1] *= sf;
+				}
+				for (var i = 0; i < path3d.center.length; i++)
+					path3d.center[i] *= sf;
+				path3d.height *= sf;
+			}
+		},
+		pyramid: {
+			get: function () {
+				var obj = sel();
+				var polygon = [];
+				var da = 2 * Math.PI / 5;
+				var a = -da / 2;
+				for (var i = 0; i < 5; i++) {
+					polygon.push([2 * obj.gridStep * Math.cos(a), 2 * obj.gridStep * Math.sin(a)]);
+					a += da;
+				}
+				return {
+					type: 'pyramid',
+					polygon: polygon.reverse(),
+					center: [0, 0, 0],
+					height: 4 * obj.gridStep
+				};
+			},
+			rotate: function (obj, path3d) {
+				if (un(path3d.direction) || arraysEqual(path3d.direction, [0, 0, 1])) {
+					path3d.direction = [1, 0, 0];
+					path3d.center = [-obj.gridStep * 3, 0, obj.gridStep * 3];
+				} else {
+					path3d.direction = [0, 0, 1];
+					path3d.center = [0, 0, 0];
+				}
+			},
+			getPos3d: function (path3d) {
+				var direction = !un(path3d.direction) ? path3d.direction : [0, 0, 1];
+				var polygon = path3d.polygon;
+				var c = path3d.center;
+				var h = path3d.height;
+				if (polygonClockwiseTest(polygon) == false)
+					polygon.reverse();
+				var vertex = [],
+				pos = [],
+				v = [],
+				e = [],
+				f = [];
+				var polygonPoints = [];
+
+				if (arraysEqual(direction, [0, 0, 1])) {
+					for (var p = 0; p < polygon.length; p++) {
+						pos.push([polygon[p][0], polygon[p][1], path3d.center[2]]);
+						polygonPoints.push({
+							pos: pos[p],
+							fillStyle: '#F00',
+							strokeStyle: '#000',
+							drag: draw.three.pointDragStart,
+							vars: {
+								type: 'polygonPoint',
+								pointIndex: p
+							},
+							path3d: path3d,
+							dragOnly: true
+						});
+					}
+					//polygonPoints.push({pos:c,fillStyle:'#00F',strokeStyle:'#000',drag:draw.three.pointDragStart,vars:{type:'center'},path3d:path3d,dragOnly:true});
+					vertex = [c[0], c[1], c[2] + h];
+				} else if (arraysEqual(direction, [1, 0, 0])) {
+					for (var p = 0; p < polygon.length; p++)
+						pos.push([path3d.center[0], polygon[p][0], polygon[p][1]]);
+					vertex = [c[0] + h, c[1], c[2]];
+				} else if (arraysEqual(direction, [0, 1, 0])) {
+					for (var p = 0; p < polygon.length; p++)
+						pos.push([polygon[p][0], path3d.center[1], polygon[p][1]]);
+					vertex = [c[0], c[1] + h, c[2]];
+				}
+
+				f.push({
+					pos3d: clone(pos),
+					paths: polygonPoints
+				});
+
+				if (arraysEqual(direction, [0, 0, 1])) {
+					f.push({
+						pos3d: [[pos[0][0], pos[0][1], pos[0][2] + h], [pos[1][0], pos[1][1], pos[1][2] + h], [pos[2][0], pos[2][1], pos[2][2] + h]],
+						fill: false,
+						stroke: false,
+						paths: [{
+								pos: vertex,
+								fillStyle: '#060',
+								strokeStyle: '#000',
+								drag: draw.three.pointDragStart,
+								path3d: path3d,
+								vars: {
+									type: 'height'
+								},
+								dragOnly: true
+							}
+						]
+					});
+				}
+
+				for (var p = 0; p < polygon.length; p++) {
+					var next = (p + 1) % polygon.length;
+					f.push({
+						pos3d: [pos[next], pos[p], vertex]
+					});
+				}
+
+				var labels = path3d.labels || [];
+				if (!un(path3d.labels)) {
+					for (var l = 0; l < labels.length; l++) {
+						var label = labels[l];
+						if (label.type == 'vertex') {
+							var n = label.offsetMagnitude || 17;
+							if (label.pos == 'apex') {
+								label.pos3d = vector.addVectors(clone(vertex), [0, 0, 22]);
+							} else if (label.pos == 'center') {
+								var offset = label.offset || [n, n, 0];
+								label.pos3d = vector.addVectors(clone(c), offset);
+							} else {
+								var vertexPos = polygonPoints[label.pos];
+								var v1 = vector.getVectorAB(clone(c), vertexPos.pos);
+								var v2 = vector.setMagnitude(v1, n * 2);
+								label.pos3d = vector.addVectors(vertexPos.pos, v2);
+							}
+						} else if (label.type == 'midpoint') {
+							if (label.pos[0] == 'center') {
+								var pos1 = clone(c);
+							} else if (label.pos[0] == 'apex') {
+								var pos1 = clone(vertex);
+							} else {
+								var pos1 = polygonPoints[label.pos[0]].pos;
+							}
+							if (label.pos[1] == 'center') {
+								var pos2 = clone(c);
+							} else if (label.pos[1] == 'apex') {
+								var pos2 = clone(vertex);
+							} else {
+								var pos2 = polygonPoints[label.pos[1]].pos;
+							}
+							var pos3 = vector.addVectors(pos1, pos2);
+							label.pos3d = vector.setMagnitude(pos3, vector.getMagnitude(pos3) / 2);
+							if (!un(label.offset)) {
+								label.pos3d = vector.addVectors(label.pos3d, label.offset);
+							}
+						} else if (label.type == 'edge') {
+							if (label.pos.length !== 2)
+								continue;
+
+							var a = label.pos[0] == 'apex' ? clone(vertex) : label.pos[0] == 'center' ? clone(c) : polygonPoints[label.pos[0]].pos;
+							var b = label.pos[1] == 'apex' ? clone(vertex) : label.pos[1] == 'center' ? clone(c) : polygonPoints[label.pos[1]].pos;
+
+							var m = vector.addVectors(a, b);
+							m = [m[0] / 2, m[1] / 2, m[2] / 2];
+
+							if (!un(label.offset)) {
+								var offset = label.offset;
+							} else {
+								var n = label.offsetMagnitude || 25;
+								var offset = vector.getVectorAB(clone(c), m);
+								var offset = vector.setMagnitude(offset, n * 2);
+							}
+
+							label.pos3d = vector.addVectors(m, offset)
+						}
+					}
+				}
+				if (!un(path3d.paths)) {
+					for (var a = 0; a < path3d.paths.length; a++) {
+						if (path3d.paths[a].type == 'angle') {
+							var angle = path3d.paths[a];
+
+							var anglePos = [];
+							for (var a2 = 0; a2 < 3; a2++) {
+								if (typeof angle.pos[a2] == 'object') {
+									if (angle.pos[a2].type == 'midpoint') {
+										if (angle.pos[a2].pos1 == 'center') {
+											var pos1 = clone(c);
+										} else if (angle.pos[a2].pos1 == 'apex') {
+											var pos1 = clone(vertex);
+										} else {
+											var pos1 = polygonPoints[angle.pos[a2].pos1].pos;
+										}
+										if (angle.pos[a2].pos2 == 'center') {
+											var pos2 = clone(c);
+										} else if (angle.pos[a2].pos2 == 'apex') {
+											var pos2 = clone(vertex);
+										} else {
+											var pos2 = polygonPoints[angle.pos[a2].pos2].pos;
+										}
+										var pos3 = vector.addVectors(pos1, pos2);
+										anglePos[a2] = vector.setMagnitude(pos3, vector.getMagnitude(pos3) / 2);
+									}
+								} else if (typeof angle.pos[a2] == 'number') {
+									anglePos[a2] = polygonPoints[angle.pos[a2]].pos;
+								} else if (angle.pos[a2] == 'center') {
+									anglePos[a2] = clone(c);
+								} else if (angle.pos[a2] == 'apex') {
+									anglePos[a2] = clone(vertex);
+								}
+							}
+
+							var labelType = 'measure';
+							if (angle.labelType == 'none') {
+								labelType = 'none';
+							} else if (!un(angle.label)) {
+								labelType = 'custom';
+								if (typeof angle.label == 'string')
+									angle.label = [angle.label];
+							}
+							f.push({
+								pos3d: anglePos,
+								stroke: false,
+								fill: false,
+								paths: [{
+										type: 'angle',
+										pos: clone(anglePos),
+										lineColor: angle.lineColor || '#000',
+										lineWidth: angle.lineWidth || 2,
+										fillColor: angle.fillColor || '#00F',
+										radius: angle.radius || 50,
+										drawLines: boolean(angle.drawLines, true),
+										drawCurve: boolean(angle.drawCurve, true),
+										fillTriangle: angle.fillTriangle || 'none',
+										lineTriangle: angle.lineTriangle || 'none',
+										labelType: labelType,
+										label: angle.label || '',
+										labelRadius: angle.labelRadius || ((angle.radius || 50) + 25),
+										visible: boolean(angle.visible, true)
+									}
+								]
+							});
+						} else if (path3d.paths[a].type == 'lineSegment') {
+							var lineSegment = path3d.paths[a];
+
+							var a = lineSegment.pos[0] == 'apex' ? clone(vertex) : lineSegment.pos[0] == 'center' ? clone(c) : polygonPoints[lineSegment.pos[0]].pos;
+							var b = lineSegment.pos[1] == 'apex' ? clone(vertex) : lineSegment.pos[1] == 'center' ? clone(c) : polygonPoints[lineSegment.pos[1]].pos;
+
+							/*var pos3 = vector.addVectors(p[lineSegment.pos[1]],[0,0.-103]);
+							var lineSegmentPos = [
+							p[lineSegment.pos[0]],
+							p[lineSegment.pos[1]],
+							pos3
+							];*/
+							f.push({
+								pos3d: [a, b],
+								stroke: false,
+								fill: false,
+								paths: [{
+										type: 'lineSegment',
+										pos: [a, b],
+										lineColor: lineSegment.lineColor || lineSegment.color || '#00F',
+										lineWidth: lineSegment.lineWidth || lineSegment.width || 2,
+										visible: boolean(lineSegment.visible, true)
+									}
+								]
+							});
+						}
+					}
+				}
+
+				return {
+					vertices: v,
+					edges: e,
+					faces: f,
+					labels: labels
+				};
+			},
+			pointDragMove: function (obj, path3d, vars) {
+				switch (vars.type) {
+				case 'polygonPoint':
+					var pos3d = draw.three.convert2dPosTo3d(obj, draw.mouse);
+					var polygon = clone(path3d.polygon);
+					var snapTo = obj.snapTo || obj.gridStep || 60;
+					if (!un(obj.gridBounds)) {
+						polygon[vars.pointIndex][0] = bound(pos3d[0], obj.gridBounds[0][0] * obj.gridStep, obj.gridBounds[0][1] * obj.gridStep, snapTo);
+						polygon[vars.pointIndex][1] = bound(pos3d[1], obj.gridBounds[1][0] * obj.gridStep, obj.gridBounds[1][1] * obj.gridStep, snapTo);
+					} else {
+						polygon[vars.pointIndex][0] = bound(pos3d[0], -obj.gridSize, obj.gridSize, obj.snapTo);
+						polygon[vars.pointIndex][1] = bound(pos3d[1], -obj.gridSize, obj.gridSize, obj.snapTo);
+					}
+					if (polygonSelfIntersect2(polygon) == false && polygonConvexTest(polygon) == true)
+						path3d.polygon = polygon;
+					break;
+				case 'center':
+					var pos3d = draw.three.convert2dPosTo3d(obj, draw.mouse);
+
+					var poly = path3d.polygon;
+					var xMin = xMax = poly[0][0];
+					var yMin = yMax = poly[0][1];
+					for (var p = 0; p < poly.length; p++) {
+						xMin = Math.min(xMin, poly[p][0]);
+						xMax = Math.max(xMax, poly[p][0]);
+						yMin = Math.min(yMin, poly[p][1]);
+						yMax = Math.max(yMax, poly[p][1]);
+					}
+					var dxMin = -obj.gridSize - xMin;
+					var dxMax = obj.gridSize - xMax;
+					var dyMin = -obj.gridSize - yMin;
+					var dyMax = obj.gridSize - yMax;
+					var dx = bound(pos3d[0] - path3d.center[0], dxMin, dxMax, obj.snapTo);
+					var dy = bound(pos3d[1] - path3d.center[1], dyMin, dyMax, obj.snapTo);
+
+					path3d.center[0] += dx;
+					path3d.center[1] += dy;
+					for (var p = 0; p < path3d.polygon.length; p++) {
+						path3d.polygon[p][0] += dx;
+						path3d.polygon[p][1] += dy;
+					}
+					break
+				case 'height':
+					var center = draw.three.convert3dPosTo2d(obj, path3d.center);
+					var snapTo = obj.snapTo || obj.gridStep || 60;
+					var height = draw.three.convert2dHeightTo3d(obj, center[1] - draw.mouse[1]);
+
+					if (!un(obj.gridBounds)) {
+						height = bound(height, obj.gridBounds[2][0] * obj.gridStep + snapTo, obj.gridBounds[2][1] * obj.gridStep, snapTo);
+					} else {
+						height = bound(height, -obj.gridSize, obj.gridSize, obj.snapTo);
+						height = bound(height, -obj.gridSize, obj.gridSize, obj.snapTo);
+					}
+					path3d.height = height;
+					break;
+				}
+			},
+			scale: function (path3d, sf) {
+				for (var i = 0; i < path3d.polygon.length; i++) {
+					path3d.polygon[i][0] *= sf;
+					path3d.polygon[i][1] *= sf;
+				}
+				for (var i = 0; i < path3d.center.length; i++)
+					path3d.center[i] *= sf;
+				path3d.height *= sf;
+			}
+		},
+		skewPyramid: {
+			getPos3d: function (path3d) {
+				var polygon = path3d.polygon;
+				var c = path3d.center;
+				var vertex = path3d.vertex;
+				if (polygonClockwiseTest(polygon) == false)
+					polygon.reverse();
+				var pos = [],
+				v = [],
+				e = [],
+				f = [];
+
+				for (var p = 0; p < polygon.length; p++) {
+					pos.push([polygon[p][0], polygon[p][1], path3d.center[2]]);
+				}
+
+				f.push({
+					pos3d: clone(pos)
+				});
+
+				if (boolean(path3d.showSides, true) !== false) {
+					for (var p = 0; p < polygon.length; p++) {
+						var next = (p + 1) % polygon.length;
+						f.push({
+							pos3d: [pos[next], pos[p], vertex]
+						});
+					}
+				}
+
+				var labels = path3d.labels || [];
+				if (!un(path3d.labels)) {
+					for (var l = 0; l < labels.length; l++) {
+						var label = labels[l];
+						if (label.type == 'vertex') {
+							var n = label.offsetMagnitude || 17;
+							if (label.pos == 'apex') {
+								label.pos3d = vector.addVectors(clone(vertex), [0, 0, 22]);
+							} else {
+								var vertexPos = pos[label.pos];
+								var v1 = vector.getVectorAB(clone(c), vertexPos);
+								var v2 = vector.setMagnitude(v1, n * 2);
+								label.pos3d = vector.addVectors(vertexPos, v2);
+							}
+						} else if (label.type == 'midpoint') {
+							if (label.pos[0] == 'apex') {
+								var pos1 = clone(vertex);
+							} else {
+								var pos1 = pos[label.pos[0]];
+							}
+							if (label.pos[1] == 'apex') {
+								var pos2 = clone(vertex);
+							} else {
+								var pos2 = pos[label.pos[1]];
+							}
+							var pos3 = vector.addVectors(pos1, pos2);
+							label.pos3d = vector.setMagnitude(pos3, vector.getMagnitude(pos3) / 2);
+							if (!un(label.offset)) {
+								label.pos3d = vector.addVectors(label.pos3d, label.offset);
+							}
+						} else if (label.type == 'edge') {
+							if (label.pos.length !== 2)
+								continue;
+
+							var a = label.pos[0] == 'apex' ? clone(vertex) : pos[label.pos[0]];
+							var b = label.pos[1] == 'apex' ? clone(vertex) : pos[label.pos[1]];
+
+							var m = vector.addVectors(a, b);
+							m = [m[0] / 2, m[1] / 2, m[2] / 2];
+
+							if (!un(label.offset)) {
+								var offset = label.offset;
+							} else {
+								var n = label.offsetMagnitude || 25;
+								var offset = vector.getVectorAB(clone(c), m);
+								var offset = vector.setMagnitude(offset, n * 2);
+							}
+
+							label.pos3d = vector.addVectors(m, offset)
+						}
+					}
+				}
+				if (!un(path3d.paths)) {
+					for (var a = 0; a < path3d.paths.length; a++) {
+						if (path3d.paths[a].type == 'angle') {
+							var angle = path3d.paths[a];
+
+							var anglePos = [];
+							for (var a2 = 0; a2 < 3; a2++) {
+								if (typeof angle.pos[a2] == 'object') {
+									if (angle.pos[a2].type == 'midpoint') {
+										if (angle.pos[a2].pos1 == 'apex') {
+											var pos1 = clone(vertex);
+										} else {
+											var pos1 = pos[angle.pos[a2].pos1];
+										}
+										if (angle.pos[a2].pos2 == 'apex') {
+											var pos2 = clone(vertex);
+										} else {
+											var pos2 = pos[angle.pos[a2].pos2];
+										}
+										var pos3 = vector.addVectors(pos1, pos2);
+										anglePos[a2] = vector.setMagnitude(pos3, vector.getMagnitude(pos3) / 2);
+									}
+								} else if (typeof angle.pos[a2] == 'number') {
+									anglePos[a2] = pos[angle.pos[a2]];
+								} else if (angle.pos[a2] == 'apex') {
+									anglePos[a2] = clone(vertex);
+								}
+							}
+
+							var labelType = 'measure';
+							if (angle.labelType == 'none') {
+								labelType = 'none';
+							} else if (!un(angle.label)) {
+								labelType = 'custom';
+								if (typeof angle.label == 'string')
+									angle.label = [angle.label];
+							}
+							f.push({
+								pos3d: anglePos,
+								stroke: false,
+								fill: false,
+								paths: [{
+										type: 'angle',
+										pos: clone(anglePos),
+										lineColor: angle.lineColor || '#000',
+										lineWidth: angle.lineWidth || 2,
+										fillColor: angle.fillColor || '#00F',
+										radius: angle.radius || 50,
+										drawLines: boolean(angle.drawLines, true),
+										drawCurve: boolean(angle.drawCurve, true),
+										fillTriangle: angle.fillTriangle || 'none',
+										lineTriangle: angle.lineTriangle || 'none',
+										labelType: labelType,
+										label: angle.label || '',
+										labelRadius: angle.labelRadius || ((angle.radius || 50) + 25),
+										visible: boolean(angle.visible, true)
+									}
+								]
+							});
+						} else if (path3d.paths[a].type == 'polygon') {
+							var polygon = path3d.paths[a];
+
+							var polygonPos = [];
+							for (var a2 = 0; a2 < polygon.pos.length; a2++) {
+								if (typeof polygon.pos[a2] == 'object') {
+									if (polygon.pos[a2].type == 'midpoint') {
+										if (polygon.pos[a2].pos1 == 'apex') {
+											var pos1 = clone(vertex);
+										} else {
+											var pos1 = pos[polygon.pos[a2].pos1];
+										}
+										if (polygon.pos[a2].pos2 == 'apex') {
+											var pos2 = clone(vertex);
+										} else {
+											var pos2 = pos[polygon.pos[a2].pos2];
+										}
+										var pos3 = vector.addVectors(pos1, pos2);
+										polygonPos[a2] = vector.setMagnitude(pos3, vector.getMagnitude(pos3) / 2);
+									}
+								} else if (typeof polygon.pos[a2] == 'number') {
+									polygonPos[a2] = pos[polygon.pos[a2]];
+								} else if (polygon.pos[a2] == 'apex') {
+									polygonPos[a2] = clone(vertex);
+								}
+							}
+
+							f.push({
+								pos3d: polygonPos,
+								stroke: false,
+								fill: false,
+								paths: [{
+										type: 'polygon',
+										pos: clone(polygonPos),
+										lineColor: polygon.lineColor || '#000',
+										lineWidth: polygon.lineWidth || 2,
+										fillColor: polygon.fillColor || '#00F',
+										visible: boolean(polygon.visible, true)
+									}
+								]
+							});
+						} else if (path3d.paths[a].type == 'lineSegment') {
+							var lineSegment = path3d.paths[a];
+
+							var b = lineSegment.pos[0] == 'apex' ? clone(vertex) : lineSegment.pos[0] == 'center' ? clone(c) : pos[lineSegment.pos[0]];
+							var c = lineSegment.pos[1] == 'apex' ? clone(vertex) : lineSegment.pos[1] == 'center' ? clone(c) : pos[lineSegment.pos[1]];
+
+							/*var pos3 = vector.addVectors(p[lineSegment.pos[1]],[0,0.-103]);
+							var lineSegmentPos = [
+							p[lineSegment.pos[0]],
+							p[lineSegment.pos[1]],
+							pos3
+							];*/
+							f.push({
+								pos3d: [b, c],
+								stroke: false,
+								fill: false,
+								paths: [{
+										type: 'lineSegment',
+										pos: [b, c],
+										lineColor: lineSegment.lineColor || lineSegment.color || '#00F',
+										lineWidth: lineSegment.lineWidth || lineSegment.width || 2,
+										visible: boolean(lineSegment.visible, true)
+									}
+								]
+							});
+						}
+					}
+				}
+
+				return {
+					vertices: v,
+					edges: e,
+					faces: f,
+					labels: labels
+				};
+			},
+			scale: function (path3d, sf) {
+				for (var i = 0; i < path3d.polygon.length; i++) {
+					path3d.polygon[i][0] *= sf;
+					path3d.polygon[i][1] *= sf;
+				}
+				for (var i = 0; i < path3d.center.length; i++)
+					path3d.center[i] *= sf;
+				for (var i = 0; i < path3d.vertex.length; i++)
+					path3d.vertex[i] *= sf;
+			}
+		},
+		cylinder: {
+			get: function () {
+				var obj = sel();
+				return {
+					type: 'cylinder',
+					center: [0, 0, 0],
+					radius: 2 * obj.gridStep,
+					height: 4 * obj.gridStep
+				};
+			},
+			rotate: function (obj, path3d) {
+				if (un(path3d.direction) || arraysEqual(path3d.direction, [0, 0, 1])) {
+					path3d.direction = [1, 0, 0];
+					path3d.center = [-obj.gridStep * 3, 0, obj.gridStep * 3];
+				} else {
+					path3d.direction = [0, 0, 1];
+					path3d.center = [0, 0, 0];
+				}
+			},
+			getPos3d: function (path3d) {
+				var direction = !un(path3d.direction) ? path3d.direction : [0, 0, 1];
+				var closed = !un(path3d.closed) ? path3d.closed : [true, true];
+				var c = path3d.center;
+				var r = path3d.radius;
+				var h = path3d.height;
+				var f = [],
+				e = [],
+				v = [],
+				v1 = [],
+				v2 = [];
+				var density = 200;
+				var dAngle = 2 * Math.PI / density;
+				var angle = 0;
+				var paths1 = [];
+				var paths2 = [];
+
+				if (arraysEqual(direction, [0, 0, 1])) {
+					for (var i = 0; i < density; i++) {
+						v1.push([c[0] + r * Math.cos(angle), c[1] + r * Math.sin(angle), 0]);
+						v2.push([c[0] + r * Math.cos(angle), c[1] + r * Math.sin(angle), h]);
+						angle += dAngle;
+					}
+					paths1 = [{
+							pos: c,
+							fillStyle: '#F00',
+							strokeStyle: '#000',
+							drag: draw.three.pointDragStart,
+							vars: {
+								type: 'center'
+							},
+							path3d: path3d,
+							dragOnly: true
+						}, {
+							pos: [c[0] + r, c[1], c[2]],
+							fillStyle: '#00F',
+							strokeStyle: '#000',
+							drag: draw.three.pointDragStart,
+							vars: {
+								type: 'radius'
+							},
+							path3d: path3d,
+							dragOnly: true
+						}
+					];
+					paths2 = [{
+							pos: [c[0], c[1], c[2] + h],
+							fillStyle: '#060',
+							strokeStyle: '#000',
+							drag: draw.three.pointDragStart,
+							vars: {
+								type: 'height'
+							},
+							path3d: path3d,
+							dragOnly: true
+						}
+					];
+				} else if (arraysEqual(direction, [1, 0, 0])) {
+					for (var i = 0; i < density; i++) {
+						v1.push([0, c[0] + r * Math.cos(angle), c[1] + r * Math.sin(angle)]);
+						v2.push([h, c[0] + r * Math.cos(angle), c[1] + r * Math.sin(angle)]);
+						angle += dAngle;
+					}
+				} else if (arraysEqual(direction, [0, 1, 0])) {
+					for (var i = 0; i < density; i++) {
+						v1.push([c[0] + r * Math.cos(angle), 0, c[1] + r * Math.sin(angle)]);
+						v2.push([c[0] + r * Math.cos(angle), h, c[1] + r * Math.sin(angle)]);
+						angle += dAngle;
+					}
+				};
+
+				f.push({
+					pos3d: clone(v1).reverse(),
+					paths: paths1
+				});
+				for (var i = 0; i < density; i++) {
+					var next = (i + 1) % density;
+					f.push({
+						pos3d: [v1[i], v1[next], v2[next], v2[i]],
+						stroke: false
+					});
+				}
+				f.push({
+					pos3d: clone(v2),
+					paths: paths2
+				});
+
+				return {
+					vertices: v,
+					edges: e,
+					faces: f
+				};
+			},
+			pointDragMove: function (obj, path3d, vars) {
+				switch (vars.type) {
+				case 'center':
+					var pos3d = draw.three.convert2dPosTo3d(obj, draw.mouse);
+					path3d.center[0] = bound(pos3d[0], -obj.gridSize + path3d.radius, obj.gridSize - path3d.radius, obj.snapTo);
+					path3d.center[1] = bound(pos3d[1], -obj.gridSize + path3d.radius, obj.gridSize - path3d.radius, obj.snapTo);
+					break
+				case 'radius':
+					var pos3d = draw.three.convert2dPosTo3d(obj, draw.mouse);
+					var rMax = Math.min(Math.abs(-obj.gridSize - path3d.center[0]), Math.abs(obj.gridSize - path3d.center[0]), Math.abs(-obj.gridSize - path3d.center[1]), Math.abs(obj.gridSize - path3d.center[1]));
+					path3d.radius = Math.min(rMax, Math.abs(pos3d[0] - path3d.center[0]));
+					break;
+				case 'height':
+					var center = draw.three.convert3dPosTo2d(obj, path3d.center);
+					path3d.height = draw.three.snapPos(obj, draw.three.convert2dHeightTo3d(obj, center[1] - draw.mouse[1]), 2);
+					break;
+				}
+			},
+			scale: function (path3d, sf) {
+				for (var i = 0; i < path3d.center.length; i++)
+					path3d.center[i] *= sf;
+				path3d.radius *= sf;
+				path3d.height *= sf;
+			}
+		},
+		cone: {
+			get: function () {
+				var obj = sel();
+				return {
+					type: 'cone',
+					center: [0, 0, 0],
+					radius: 2 * obj.gridStep,
+					height: 4 * obj.gridStep
+				};
+			},
+			rotate: function (obj, path3d) {
+				if (un(path3d.direction) || arraysEqual(path3d.direction, [0, 0, 1])) {
+					path3d.direction = [0, 0, -1];
+					path3d.center[2] = obj.gridStep * 5;
+				} else {
+					path3d.direction = [0, 0, 1];
+					path3d.center[2] = 0;
+				}
+			},
+			getPos3d: function (path3d) {
+				var direction = !un(path3d.direction) ? path3d.direction : [0, 0, 1];
+				var c = path3d.center;
+				var r = path3d.radius;
+				var h = path3d.height;
+				var p = [],
+				v = [],
+				e = [],
+				f = [],
+				paths1 = [],
+				paths2 = [];
+
+				var density = 200;
+				var dAngle = 2 * Math.PI / density;
+				var angle = 0;
+
+				if (arraysEqual(direction, [0, 0, 1])) {
+					var vertex = [c[0], c[1], c[2] + h];
+					for (var i = 0; i < density; i++) {
+						p.push([c[0] + r * Math.cos(angle), c[1] + r * Math.sin(angle), c[2]]);
+						angle += dAngle;
+					}
+					paths1 = [{
+							pos: c,
+							fillStyle: '#F00',
+							strokeStyle: '#000',
+							drag: draw.three.pointDragStart,
+							vars: {
+								type: 'center'
+							},
+							path3d: path3d,
+							dragOnly: true
+						}, {
+							pos: [c[0] + r, c[1], c[2]],
+							fillStyle: '#00F',
+							strokeStyle: '#000',
+							drag: draw.three.pointDragStart,
+							vars: {
+								type: 'radius'
+							},
+							path3d: path3d,
+							dragOnly: true
+						},
+					];
+					paths2 = [{
+							pos: vertex,
+							fillStyle: '#060',
+							strokeStyle: '#000',
+							drag: draw.three.pointDragStart,
+							path3d: path3d,
+							vars: {
+								type: 'height'
+							},
+							dragOnly: true
+						}
+					];
+				} else if (arraysEqual(direction, [0, 0, -1])) {
+					var vertex = [c[0], c[1], c[2] - h];
+					for (var i = 0; i < density; i++) {
+						p.push([c[0] + r * Math.cos(angle), c[1] + r * Math.sin(angle), c[2]]);
+						angle += dAngle;
+					}
+				}
+
+				f.push({
+					pos3d: clone(p).reverse(),
+					paths: paths1
+				});
+				for (var i = 0; i < density; i++) {
+					var next = (i + 1) % density;
+					f.push({
+						pos3d: [p[next], p[i], vertex].reverse(),
+						stroke: false
+					});
+				}
+				f.push({
+					pos3d: [[p[0][0], p[0][1], p[0][2] + h], [p[1][0], p[1][1], p[1][2] + h], [p[2][0], p[2][1], p[2][2] + h]],
+					fill: false,
+					stroke: false,
+					paths: paths2
+				});
+
+				return {
+					vertices: v,
+					edges: e,
+					faces: f
+				};
+			},
+			drawEdges: function (ctx, obj, path3d) {
+				var v3d = [path3d.center[0], path3d.center[1], path3d.center[2] + path3d.height];
+				var v2d = draw.three.convert3dPosTo2d(obj, v3d);
+				var c2d = draw.three.convert3dPosTo2d(obj, path3d.center);
+				var rY = path3d.radius * obj.tilt;
+
+				ctx.fillStyle = '#000';
+				ctx.beginPath();
+				ctx.arc(v2d[0], v2d[1], 1, 0, Math.PI * 2);
+				ctx.fill();
+
+				return;
+
+				/*if (c2d[1] - v2d[1] < rY) {
+				ctx.fillStyle = '#000';
+				ctx.beginPath();
+				ctx.arc(v2d[0],v2d[1],2,0,Math.PI*2);
+				ctx.fill();
+				} else {
+				var p1 = [c2d[0]-path3d.radius,c2d[1]];
+				var p2 = [c2d[0]+path3d.radius,c2d[1]];
+				ctx.lineWidth = 1;
+				ctx.strokeStyle = '#000';
+				ctx.beginPath();
+				ctx.moveTo(p1[0],p1[1]);
+				ctx.lineTo(v2d[0],v2d[1]);
+				ctx.lineTo(p2[0],p2[1]);
+				ctx.stroke();
+				}*/
+			},
+			pointDragMove: function (obj, path3d, vars) {
+				switch (vars.type) {
+				case 'center':
+					var pos3d = draw.three.convert2dPosTo3d(obj, draw.mouse);
+					path3d.center[0] = bound(pos3d[0], -obj.gridSize + path3d.radius, obj.gridSize - path3d.radius, obj.snapTo);
+					path3d.center[1] = bound(pos3d[1], -obj.gridSize + path3d.radius, obj.gridSize - path3d.radius, obj.snapTo);
+					break;
+				case 'radius':
+					var pos3d = draw.three.convert2dPosTo3d(obj, draw.mouse);
+					var rMax = Math.min(
+							Math.abs(-obj.gridSize - path3d.center[0]),
+							Math.abs(obj.gridSize - path3d.center[0]),
+							Math.abs(-obj.gridSize - path3d.center[1]),
+							Math.abs(obj.gridSize - path3d.center[1]));
+					path3d.radius = Math.min(rMax, Math.abs(pos3d[0] - path3d.center[0]));
+					break;
+				case 'height':
+					var center = draw.three.convert3dPosTo2d(obj, path3d.center);
+					path3d.height = draw.three.snapPos(obj, draw.three.convert2dHeightTo3d(obj, center[1] - draw.mouse[1]), 2);
+					break;
+				}
+			},
+			scale: function (path3d, sf) {
+				for (var i = 0; i < path3d.center.length; i++)
+					path3d.center[i] *= sf;
+				path3d.radius *= sf;
+				path3d.height *= sf;
+			}
+		},
+		frustum: {
+			get: function () {
+				var obj = sel();
+				return {
+					type: 'frustum',
+					center: [0, 0, 0],
+					radius: [2 * obj.gridStep, 1.5 * obj.gridStep],
+					height: 4 * obj.gridStep
+				};
+			},
+			getPos3d: function (path3d) {
+				var direction = !un(path3d.direction) ? path3d.direction : [0, 0, 1];
+				var closed = !un(path3d.closed) ? path3d.closed : [true, true];
+				var c = path3d.center;
+				var r1 = path3d.radius[0];
+				var r2 = path3d.radius[1];
+				var h = path3d.height;
+				var v = [],
+				e = [],
+				f = [];
+				var v1 = [],
+				v2 = [];
+				var density = 200;
+				var dAngle = 2 * Math.PI / density;
+				var angle = 0;
+				if (arraysEqual(direction, [0, 0, 1])) {
+					for (var i = 0; i < density; i++) {
+						v1.push([c[0] + r1 * Math.cos(angle), c[1] + r1 * Math.sin(angle), 0]);
+						v2.push([c[0] + r2 * Math.cos(angle), c[1] + r2 * Math.sin(angle), h]);
+						angle += dAngle;
+					}
+				} else if (arraysEqual(direction, [1, 0, 0])) {
+					for (var i = 0; i < density; i++) {
+						v1.push([0, c[0] + r1 * Math.cos(angle), c[1] + r1 * Math.sin(angle)]);
+						v2.push([h, c[0] + r2 * Math.cos(angle), c[1] + r2 * Math.sin(angle)]);
+						angle += dAngle;
+					}
+				} else if (arraysEqual(direction, [0, 1, 0])) {
+					for (var i = 0; i < density; i++) {
+						v1.push([c[0] + r1 * Math.cos(angle), 0, c[1] + r1 * Math.sin(angle)]);
+						v2.push([c[0] + r2 * Math.cos(angle), h, c[1] + r2 * Math.sin(angle)]);
+						angle += dAngle;
+					}
+				};
+
+				/*if (closed[0] == true)*/
+				f.push({
+					pos3d: clone(v1).reverse(),
+					paths: [{
+							pos: c,
+							fillStyle: '#F00',
+							strokeStyle: '#000',
+							drag: draw.three.pointDragStart,
+							vars: {
+								type: 'center'
+							},
+							path3d: path3d,
+							dragOnly: true
+						}, {
+							pos: [c[0] + r1, c[1], c[2]],
+							fillStyle: '#00F',
+							strokeStyle: '#000',
+							drag: draw.three.pointDragStart,
+							vars: {
+								type: 'radius1'
+							},
+							path3d: path3d,
+							dragOnly: true
+						},
+					]
+				});
+
+				for (var i = 0; i < density; i++) {
+					var next = (i + 1) % density;
+					f.push({
+						pos3d: [v1[i], v1[next], v2[next], v2[i]],
+						stroke: false
+					});
+				}
+				/*if (closed[1] == true)*/
+				f.push({
+					pos3d: clone(v2),
+					paths: [{
+							pos: [c[0], c[1], c[2] + h],
+							fillStyle: '#060',
+							strokeStyle: '#000',
+							drag: draw.three.pointDragStart,
+							vars: {
+								type: 'height'
+							},
+							path3d: path3d,
+							dragOnly: true
+						}, {
+							pos: [c[0] + r2, c[1], c[2] + h],
+							fillStyle: '#00F',
+							strokeStyle: '#000',
+							drag: draw.three.pointDragStart,
+							vars: {
+								type: 'radius2'
+							},
+							path3d: path3d,
+							dragOnly: true
+						},
+					]
+				});
+				return {
+					vertices: v,
+					edges: e,
+					faces: f
+				};
+			},
+			pointDragMove: function (obj, path3d, vars) {
+				switch (vars.type) {
+				case 'center':
+					var pos3d = draw.three.convert2dPosTo3d(obj, draw.mouse);
+					var r = Math.max(path3d.radius[0], path3d.radius[1]);
+					path3d.center[0] = bound(pos3d[0], -obj.gridSize + r, obj.gridSize - r, obj.snapTo);
+					path3d.center[1] = bound(pos3d[1], -obj.gridSize + r, obj.gridSize - r, obj.snapTo);
+					break;
+				case 'radius1':
+					var pos3d = draw.three.convert2dPosTo3d(obj, draw.mouse);
+					var rMax = Math.min(
+							Math.abs(-obj.gridSize - path3d.center[0]),
+							Math.abs(obj.gridSize - path3d.center[0]),
+							Math.abs(-obj.gridSize - path3d.center[1]),
+							Math.abs(obj.gridSize - path3d.center[1]));
+					path3d.radius[0] = Math.min(rMax, Math.abs(pos3d[0] - path3d.center[0]));
+					break;
+				case 'radius2':
+					var pos3d = draw.three.convert2dPosTo3d(obj, draw.mouse, path3d.height);
+					var rMax = Math.min(
+							Math.abs(-obj.gridSize - path3d.center[0]),
+							Math.abs(obj.gridSize - path3d.center[0]),
+							Math.abs(-obj.gridSize - path3d.center[1]),
+							Math.abs(obj.gridSize - path3d.center[1]));
+					path3d.radius[1] = Math.min(rMax, Math.abs(pos3d[0] - path3d.center[0]));
+					break;
+				case 'height':
+					var center = draw.three.convert3dPosTo2d(obj, path3d.center);
+					path3d.height = draw.three.snapPos(obj, draw.three.convert2dHeightTo3d(obj, center[1] - draw.mouse[1]), 2);
+					break;
+				}
+			},
+			scale: function (path3d, sf) {
+				for (var i = 0; i < path3d.center.length; i++)
+					path3d.center[i] *= sf;
+				path3d.radius[0] *= sf;
+				path3d.radius[1] *= sf;
+				path3d.height *= sf;
+			}
+		},
+		sphere: {
+			get: function () {
+				var obj = sel();
+				return {
+					type: 'sphere',
+					center: [0, 0, 2 * obj.gridStep],
+					radius: 2 * obj.gridStep
+				};
+			},
+			getPos3d: function (path3d) {
+				var c = path3d.center;
+				var r = path3d.radius;
+				var f = [],
+				e = [],
+				v = [];
+				var density = 30; // must be even
+				var dAngle = 2 * Math.PI / density;
+
+				var angle1 = 0;
+				var angle2 = 0;
+
+				var pos = [];
+				for (var i = 0; i < density; i++) {
+					var pos2 = [];
+					for (var j = 0; j < density; j++) {
+						pos2.push([c[0] + r * (Math.sin(angle2) * Math.sin(angle1)), c[1] + r * Math.cos(angle2), c[2] + r * Math.sin(angle2) * Math.cos(angle1)]);
+						angle2 += dAngle;
+					}
+					pos.push(pos2);
+					angle1 += dAngle;
+				}
+
+				f.push({
+					pos3d: [[c[0], c[1], c[2] - r], [c[0] - 1, c[1], c[2] - r], [c[0], c[1] - 1, c[2] - r]],
+					stroke: false,
+					fill: false,
+					paths: [{
+							pos: [c[0], c[1], c[2] - r],
+							fillStyle: '#F00',
+							strokeStyle: '#000',
+							drag: draw.three.pointDragStart,
+							vars: {
+								type: 'center'
+							},
+							path3d: path3d,
+							dragOnly: true
+						},
+					]
+				});
+				for (var i = 0; i < pos.length; i++) {
+					var p1 = pos[i];
+					var p2 = pos[(i + 1) % pos.length];
+					for (var j = 0; j < p1.length / 2; j++) {
+						var next = (j + 1) % p1.length;
+						if (j == 0) {
+							var pos2 = [p1[j], p1[next], p2[next]];
+							f.push({
+								pos3d: pos2,
+								stroke: false
+							});
+						} else {
+							var pos2 = [p1[j], p1[next], p2[next], p2[j]];
+							f.push({
+								pos3d: pos2,
+								stroke: false
+							});
+						}
+					}
+				}
+				f.push({
+					pos3d: [[c[0], c[1], c[2] + r], [c[0] - 1, c[1], c[2] + r], [c[0], c[1] + 1, c[2] - r]].reverse(),
+					stroke: false,
+					fill: false,
+					paths: [{
+							pos: [c[0], c[1], c[2] + r],
+							fillStyle: '#060',
+							strokeStyle: '#000',
+							drag: draw.three.pointDragStart,
+							vars: {
+								type: 'height'
+							},
+							path3d: path3d,
+							dragOnly: true
+						},
+					]
+				});
+
+				return {
+					vertices: v,
+					edges: e,
+					faces: f
+				};
+			},
+			pointDragMove: function (obj, path3d, vars) {
+				switch (vars.type) {
+				case 'center':
+					var pos3d = draw.three.convert2dPosTo3d(obj, draw.mouse);
+					path3d.center[0] = bound(pos3d[0], -obj.gridSize + path3d.radius, obj.gridSize - path3d.radius, obj.snapTo);
+					path3d.center[1] = bound(pos3d[1], -obj.gridSize + path3d.radius, obj.gridSize - path3d.radius, obj.snapTo);
+					break;
+				case 'height':
+					var center = draw.three.convert3dPosTo2d(obj, [path3d.center[0], path3d.center[1], 0]);
+					path3d.radius = bound((draw.three.convert2dHeightTo3d(obj, center[1] - draw.mouse[1])) / 2, obj.snapTo / 2, obj.gridSize, obj.snapTo / 2);
+					path3d.center[2] = path3d.radius;
+					break;
+				}
+			},
+			scale: function (path3d, sf) {
+				for (var i = 0; i < path3d.center.length; i++)
+					path3d.center[i] *= sf;
+				path3d.radius *= sf;
+			}
+		},
+		cubeNet: {
+			get: function () {
+				var obj = sel();
+				return {
+					type: 'cubeNet',
+					center: [0, 0, 0],
+					width: obj.gridStep,
+					open: 1
+				}; // open: 1=closed, 0=open
+			},
+			getPos3d: function (path3d) {
+				var c = path3d.center,
+				w = path3d.width,
+				o = path3d.open;
+				var v = [],
+				e = [],
+				f = [];
+				var p = [
+					[c[0], c[1], c[2]],
+					[c[0] + w, c[1], c[2]],
+					[c[0] + w, c[1] + w, c[2]],
+					[c[0], c[1] + w, c[2]]
+				];
+				var f = [{
+						pos3d: [p[3], p[2], p[1], p[0]]
+					}
+				];
+				for (var f2 = 0; f2 < 4; f2++) {
+					var p1 = p[f2];
+					var p2 = p[(f2 + 1) % 4];
+
+					var vector1 = draw.three.getNormalToPlaneFromThreePoints(p1, p2, [p1[0], p1[1], p1[2] + 1]);
+					var vector2 = [0, 0, w];
+					var angle = o * draw.three.getAngleBetweenTwo3dVectors(vector1, vector2);
+					var vector3 = [
+						vector1[0] * Math.cos(angle) + vector2[0] * Math.sin(angle),
+						vector1[1] * Math.cos(angle) + vector2[1] * Math.sin(angle),
+						vector1[2] * Math.cos(angle) + vector2[2] * Math.sin(angle)
+					];
+					var p3 = [p1[0] + vector3[0], p1[1] + vector3[1], p1[2] + vector3[2]];
+					var p4 = [p2[0] + vector3[0], p2[1] + vector3[1], p2[2] + vector3[2]];
+
+					f.push({
+						pos3d: [p1, p2, p4, p3]
+					});
+					if (f2 == 0) {
+						var vector4 = [0, w, 0];
+						var angle2 = o * 0.5 * Math.PI; //draw.three.getAngleBetweenTwo3dVectors(vector3,vector4);
+						var vector5 = [
+							vector3[0] * Math.cos(angle2) + vector4[0] * Math.sin(angle2),
+							vector3[1] * Math.cos(angle2) + vector4[1] * Math.sin(angle2),
+							vector3[2] * Math.cos(angle2) + vector4[2] * Math.sin(angle2)
+						];
+						var p5 = [p3[0] + vector5[0], p3[1] + vector5[1], p3[2] + vector5[2]];
+						var p6 = [p4[0] + vector5[0], p4[1] + vector5[1], p4[2] + vector5[2]];
+
+						f.push({
+							pos3d: [p3, p4, p6, p5]
+						});
+					}
+				}
+
+				return {
+					vertices: v,
+					edges: e,
+					faces: f
+				};
+			},
+			scale: function (path3d, sf) {
+				for (var i = 0; i < path3d.center.length; i++)
+					path3d.center[i] *= sf;
+				path3d.width *= sf;
+			}
+		},
+		coneNet: {
+			get: function () {
+				//var obj = sel();
+				return {
+					type: 'coneNet',
+					center: [0, 0, 0],
+					faces: 120,
+					radius: 200,
+					angle: 150,
+					color: '#99F',
+					open: 0
+				}; // open: 1=closed, 0=open
+			},
+			getPos3d: function (path3d) {
+				path3d.foldAngle = draw.three.path3d.coneNet.getConeFoldAngle(path3d.radius, path3d.angle, path3d.faces);
+				var color = path3d.color;
+				var foldAngle = Math.PI - path3d.open * path3d.foldAngle;
+
+				var r = path3d.radius;
+				var a = path3d.angle * (Math.PI / 180) / path3d.faces;
+
+				var polygons = [[
+						[0, 0, 0],
+						[r * Math.cos(0), r * Math.sin(0), 0],
+						[r * Math.cos(a), r * Math.sin(a), 0]
+					]];
+				for (var i = 1; i < path3d.faces; i++) {
+					var prev = polygons.last();
+					var p1 = [0, 0, 0];
+					var p2 = clone(prev[2]);
+					var p3 = draw.three.rotatePointAboutLine(clone(prev[1]), p1, p2, foldAngle);
+					polygons.push([p1, p2, p3]);
+				}
+
+				var faces = [];
+				for (var i = 0; i < polygons.length; i++) {
+					faces.push({
+						pos3d: clone(polygons[i]),
+						color: color,
+						stroke: false
+					}, {
+						pos3d: clone(polygons[i].reverse()),
+						color: color,
+						stroke: false
+					});
+				}
+				return {
+					faces: faces
+				};
+			},
+			scale: function (path3d, sf) {
+				path3d.radius *= sf;
+			},
+			getConeFoldAngle: function (radius, angle, faces) {
+				angle = angle * Math.PI / 180;
+				var a = Math.sqrt(2 * radius * radius * (1 - Math.cos(angle / faces)));
+				var h = Math.sqrt(radius * radius - (a * a) / 4);
+				var t = 2 * Math.PI / faces;
+				var r = a / (2 * Math.tan(t / 2));
+				var HH = h * h - r * r;
+				var RR = radius * radius - HH;
+				var cosA = (RR + (2 * HH + RR) * Math.cos(t)) / (2 * HH + RR + RR * Math.cos(t));
+				return Math.acos(cosA);
+			}
+		},
+		cylinderNet: {
+			get: function () {
+				return {
+					type: 'cylinderNet',
+					center: [0, 0, 0],
+					faces: 120,
+					radius: 50,
+					height: 200,
+					color: '#99F',
+					open: 0
+				}; // open: 1=closed, 0=open
+			},
+			getPos3d: function (path3d) {
+				var color = path3d.color;
+				var extAngle = path3d.open * (2 * Math.PI / path3d.faces);
+
+				//var c = [0,0,0];
+				var h = path3d.height;
+				var faces = [];
+				var faceWidth = (2 * Math.PI * path3d.radius) / path3d.faces;
+
+				var polygon = [];
+				var polygon2 = [];
+				var center = [-path3d.radius, 0, 0];
+				var angle = (path3d.open - 1) * Math.PI / 2;
+				for (var i = 0; i < path3d.faces; i++) {
+					var a = i * 2 * Math.PI / path3d.faces;
+					pos = draw.three.rotatePoint2([
+								center[0] + path3d.radius * Math.cos(a),
+								path3d.radius * Math.sin(a),
+								0
+							], 1, angle);
+					polygon.unshift(pos);
+					polygon2.push(pos);
+				}
+				faces.push({
+					pos3d: polygon,
+					color: color,
+					drawOrder: 1
+				}, {
+					pos3d: polygon2,
+					color: color,
+					drawOrder: 1
+				});
+
+				var polygon = [];
+				var polygon2 = [];
+				var center = [-path3d.radius, 0, 0];
+				var angle = (1 - path3d.open) * Math.PI / 2;
+				for (var i = 0; i < path3d.faces; i++) {
+					var a = i * 2 * Math.PI / path3d.faces;
+					pos = draw.three.rotatePoint2([
+								center[0] + path3d.radius * Math.cos(a),
+								path3d.radius * Math.sin(a),
+								0
+							], 1, angle);
+					pos[2] += h;
+					polygon.unshift(pos);
+					polygon2.push(pos);
+				}
+				faces.push({
+					pos3d: polygon,
+					color: color,
+					drawOrder: 3
+				}, {
+					pos3d: polygon2,
+					color: color,
+					drawOrder: 3
+				});
+
+				var pos1 = [0, 0, 0]
+				var pos2 = [0, 0, h];
+				var angle = Math.PI / 2 - extAngle;
+				for (var f = 0; f < path3d.faces / 2; f++) {
+					if (f == 0) {
+						angle += 1.5 * extAngle;
+					} else {
+						angle += extAngle;
+					}
+					var dir = [faceWidth * Math.cos(angle), faceWidth * Math.sin(angle), 0];
+					var pos3 = [pos1[0] + dir[0], pos1[1] + dir[1], pos1[2] + dir[2]];
+					var pos4 = [pos2[0] + dir[0], pos2[1] + dir[1], pos2[2] + dir[2]];
+					faces.push({
+						pos3d: clone([pos1, pos3, pos4, pos2]),
+						color: color,
+						stroke: false,
+						drawOrder: 2
+					}, {
+						pos3d: clone([pos2, pos4, pos3, pos1]),
+						color: color,
+						stroke: false,
+						drawOrder: 2
+					});
+					pos1 = pos3;
+					pos2 = pos4;
+				}
+
+				var pos1 = [0, 0, 0]
+				var pos2 = [0, 0, h];
+				var angle = -extAngle - Math.PI / 2;
+				for (var f = 0; f < path3d.faces / 2; f++) {
+					if (f == 0) {
+						angle += 0.5 * extAngle;
+					} else {
+						angle -= extAngle;
+					}
+					var dir = [faceWidth * Math.cos(angle), faceWidth * Math.sin(angle), 0];
+					var pos3 = [pos1[0] + dir[0], pos1[1] + dir[1], pos1[2] + dir[2]];
+					var pos4 = [pos2[0] + dir[0], pos2[1] + dir[1], pos2[2] + dir[2]];
+					faces.push({
+						pos3d: clone([pos1, pos3, pos4, pos2]),
+						color: color,
+						stroke: false,
+						drawOrder: 2
+					}, {
+						pos3d: clone([pos2, pos4, pos3, pos1]),
+						color: color,
+						stroke: false,
+						drawOrder: 2
+					});
+					pos1 = pos3;
+					pos2 = pos4;
+				}
+
+				return {
+					faces: faces
+				};
+			},
+			scale: function (path3d, sf) {
+				path3d.radius *= sf;
+				path3d.height *= sf;
+			}
+		}
+
+	},
+
+	cubeDrawing: {
+		getCursorPositionsBuild: function (obj) {
+			var size = obj.gridStep;
+			var squares = obj.gridSize / size;
+			var polygons = [];
+			// get base polygons
+			for (var i = -squares / 2; i < squares / 2; i++) {
+				for (var j = -squares / 2; j < squares / 2; j++) {
+					var pos3d = [[i, j, 0], [i + 1, j, 0], [i + 1, j + 1, 0], [i, j + 1, 0]];
+					var pos2d = [];
+					for (var p = 0; p < pos3d.length; p++) {
+						var pos = [pos3d[p][0] * obj.gridStep, pos3d[p][1] * obj.gridStep, pos3d[p][2] * obj.gridStep];
+						pos2d[p] = draw.three.convert3dPosTo2d(obj, pos);
+					}
+					polygons.push({
+						pos3d: pos3d,
+						pos2d: pos2d,
+						center: [i, j, 0]
+					});
+				}
+			}
+			if (un(obj._cubeFaces))
+				return polygons;
+			// get cube face polygons
+			for (var f = 0; f < obj._cubeFaces.length; f++) {
+				var face = obj._cubeFaces[f];
+				var center = [face.pos[0] / size + face.normal[0], face.pos[1] / size + face.normal[1], face.pos[2] / size + face.normal[2]];
+				polygons.push({
+					pos3d: face.pos3d,
+					pos2d: face.pos2d,
+					center: center
+				});
+			}
+			return polygons;
+		},
+		getCursorPositionsRemove: function (obj) {
+			if (un(obj._cubeFaces))
+				return [];
+			var size = obj.gridStep;
+			var squares = obj.gridSize / size;
+			var polygons = [];
+			// get cube face polygons
+			for (var f = 0; f < obj._cubeFaces.length; f++) {
+				var face = obj._cubeFaces[f];
+				var center = [face.pos[0] / size, face.pos[1] / size, face.pos[2] / size];
+				polygons.push({
+					pos3d: face.pos3d,
+					pos2d: face.pos2d,
+					center: center
+				});
+			}
+			return polygons;
+		},
+		click: function () {
+			var mode = draw.currCursor.mode;
+			var obj = draw.currCursor.obj;
+			var size = obj.gridStep;
+			var center = draw.currCursor.position.center;
+			if (mode == 'remove') {
+				draw.three.cubeDrawing.removeCubeAtPosition(obj, center);
+			} else {
+				draw.three.cubeDrawing.addCubeAtPosition(obj, center);
+			}
+			drawCanvasPaths();
+		},
+		isCubeAtPosition: function (obj, pos) {
+			var size = obj.gridStep;
+			for (var p = 0; p < obj.paths3d.length; p++) {
+				var path3d = obj.paths3d[p];
+				if (path3d.type !== 'cuboid')
+					continue;
+				if (path3d.pos[0] !== pos[0] * size || path3d.pos[1] !== pos[1] * size || path3d.pos[2] !== pos[2] * size)
+					continue;
+				if (path3d.dims[0] !== size || path3d.dims[1] !== size || path3d.dims[2] !== size)
+					continue;
+				return true;
+			}
+			return false;
+		},
+		addCubeAtPosition: function (obj, pos) {
+			if (draw.three.cubeDrawing.isCubeAtPosition(obj, pos))
+				return;
+			var size = obj.gridStep;
+			if (!un(obj.gridBounds)) {
+				if (pos[0] < obj.gridBounds[0][0] || pos[0] + 1 > obj.gridBounds[0][1])
+					return;
+				if (pos[1] < obj.gridBounds[1][0] || pos[1] + 1 > obj.gridBounds[1][1])
+					return;
+				if (pos[2] < obj.gridBounds[2][0] || pos[2] + 1 > obj.gridBounds[2][1])
+					return;
+			}
+			obj.paths3d.push({
+				type: "cuboid",
+				pos: [pos[0] * size, pos[1] * size, pos[2] * size],
+				dims: [size, size, size]
+			});
+		},
+		removeCubeAtPosition: function (obj, pos) {
+			var size = obj.gridStep;
+			for (var p = obj.paths3d.length - 1; p >= 0; p--) {
+				var path3d = obj.paths3d[p];
+				if (path3d.type !== 'cuboid')
+					continue;
+				if (path3d.pos[0] !== pos[0] * size || path3d.pos[1] !== pos[1] * size || path3d.pos[2] !== pos[2] * size)
+					continue;
+				if (path3d.dims[0] !== size || path3d.dims[1] !== size || path3d.dims[2] !== size)
+					continue;
+				obj.paths3d.splice(p, 1);
+				return;
+			}
+		},
+	},
+
+	resizable: true,
+	setSize: function (obj, size) {
+		draw.three.scale(obj, size / obj.gridStep);
+	},
+	scale: function (obj, sf, center) {
+		if (!un(center)) {
+			obj.center[0] = center[0] + sf * (obj.center[0] - center[0]);
+			obj.center[1] = center[1] + sf * (obj.center[1] - center[1]);
+		}
+		obj.gridStep *= sf;
+		obj.gridSize *= sf;
+		for (var p = 0; p < obj.paths3d.length; p++) {
+			var path3d = obj.paths3d[p];
+			if (un(draw.three.path3d[path3d.type]) || un(draw.three.path3d[path3d.type].scale))
+				continue;
+			draw.three.path3d[path3d.type].scale(path3d, sf);
+		}
+		draw.updateAllBorders();
+		drawCanvasPaths();
+		drawSelectCanvas();
+	},
+
+	draw: function (ctx, obj, path) {
+		if (obj.paths3d.length == 0)
+			return;
+		var cameraDist = 1500;
+		obj._camera = obj.tilt == 1 ? [0, 0, 1] : [Math.sin(-obj.angle), Math.cos(-obj.angle), draw.three.convert2dHeightTo3d(obj, obj.tilt)];
+		obj._cameraPos = [cameraDist * obj._camera[0], cameraDist * obj._camera[1], cameraDist * obj._camera[2]];
+		obj._light = [200 * Math.cos(-obj.angle), 200 * -Math.sin(-obj.angle), 300];
+		//obj._light = obj._camera;
+		obj._brightness = def([obj.brightness, 1]);
+		obj._contrast = def([obj.contrast, 0.75]);
+		obj._cubeFaces = [];
+		var drawBackFaces = !un(obj.drawBackFaces) ? obj.drawBackFaces : 'auto';
+
+		// version 3
+		//console.log('----obj:',obj);
+
+		// sort path3d by height of lowest point, then by closeness to front
+		var paths3d = [];
+		for (var p = 0; p < obj.paths3d.length; p++) {
+			var path3d = obj.paths3d[p];
+			if (path3d.type == 'custom') {
+				if (!un(path3d.get)) {
+					var get = path3d.get(obj, path3d);
+					path3d._faces = get.faces;
+					path3d._labels = get.labels || [];
+				}
+			} else if (un(draw.three.path3d[path3d.type]) || un(draw.three.path3d[path3d.type].getPos3d)) {
+				continue;
+			} else {
+				var get = draw.three.path3d[path3d.type].getPos3d(path3d);
+				path3d._faces = get.faces;
+				path3d._labels = get.labels || [];
+			}
+
+			path3d._meanPoints = [];
+			path3d._min;
+			for (var f = 0; f < path3d._faces.length; f++) {
+				path3d._meanPoints.push(draw.three.getMeanPoint(path3d._faces[f].pos3d));
+
+				for (var v = 0; v < path3d._faces[f].pos3d.length; v++) {
+					path3d._min = un(path3d._min) ? path3d._faces[f].pos3d[v][2] : Math.min(path3d._min, path3d._faces[f].pos3d[v][2]);
+				}
+			}
+			path3d._meanPoint = draw.three.getMeanPoint(path3d._meanPoints);
+			path3d._distanceToCamera = draw.three.getDistanceTwoPoints([path3d._meanPoint[0], path3d._meanPoint[1], 0], [obj._cameraPos[0], obj._cameraPos[1], 0]);
+
+			paths3d.push(path3d);
+		}
+
+		paths3d.sort(function (a, b) {
+			if (a.drawFirst == true || b.drawLast == true || ['grid', 'dotGrid', 'arrow'].includes(a.type))
+				return -1;
+			if (b.drawFirst == true || a.drawLast == true || ['grid', 'dotGrid', 'arrow'].includes(b.type))
+				return 1;
+			if (a._min < b._min)
+				return -1;
+			if (a._min > b._min)
+				return 1;
+			if (a._distanceToCamera > b._distanceToCamera)
+				return -1;
+			if (a._distanceToCamera < b._distanceToCamera)
+				return 1;
+		});
+
+		// draw each path3d
+		draw.three._dashLines = [];
+		for (var p = 0; p < paths3d.length; p++) {
+			var path3d = paths3d[p];
+			//console.log('--path3d:',path3d);
+			var elements = [];
+
+			for (var f = 0; f < path3d._faces.length; f++) {
+				var face = path3d._faces[f];
+				if (face.draw === false || face.visible === false)
+					continue;
+				face.pos2d = [];
+				for (var p2 = 0; p2 < face.pos3d.length; p2++)
+					face.pos2d[p2] = draw.three.convert3dPosTo2d(obj, face.pos3d[p2]);
+				face.normal = draw.three.getFaceNormal(face);
+				face.angleToCamera = draw.three.getAngleBetweenTwo3dVectors(face.normal, obj._camera);
+				face.angleToLight = draw.three.getAngleBetweenTwo3dVectors(face.normal, obj._light);
+				face.meanPoint = draw.three.getMeanPoint(face.pos3d);
+				face.distanceToCamera = draw.three.getDistanceTwoPoints(face.meanPoint, obj._cameraPos);
+				if (draw.three.getAngleBetweenTwo3dVectors(face.normal, [0, 0, 1]) == 0)
+					face.up = true;
+				if (draw.three.getAngleBetweenTwo3dVectors(face.normal, [0, 0, -1]) == 0)
+					face.down = true;
+				face.type2 = 'face';
+				elements.push(face);
+			}
+
+			for (var l = 0; l < path3d._labels.length; l++) {
+				var label = path3d._labels[l];
+				if (label.draw === false || label.visible === false)
+					continue;
+				label.pos2d = draw.three.convert3dPosTo2d(obj, label.pos3d);
+				label.distanceToCamera = draw.three.getDistanceTwoPoints(label.pos3d, obj._cameraPos);
+				label.type2 = 'label';
+				elements.push(label);
+			}
+
+			elements.sort(function (a, b) {
+				//if (a.up === true || b.down === true || b.meanPoint[2] == 0) return 1;
+				//if (b.up === true || a.down === true || a.meanPoint[2] == 0) return -1;
+				if (a.drawFirst == true || b.drawLast == true)
+					return -1;
+				if (b.drawFirst == true || a.drawLast == true)
+					return 1;
+
+				if (!un(a.drawOrder) && !un(b.drawOrder) && a.drawOrder !== b.drawOrder)
+					return a.drawOrder - b.drawOrder;
+
+				if (a.type2 == 'label' || b.type2 == 'label') {
+					return b.distanceToCamera - a.distanceToCamera;
+				}
+
+				var v1 = vector.getVectorAB(obj._cameraPos, b.pos3d[0]);
+				for (var p = 0; p < a.pos2d.length; p++) {
+					var v2 = vector.getVectorAB(obj._cameraPos, a.pos3d[p]);
+					var relLen = roundToNearest(vector.dotProduct(v1, b.normal) / vector.dotProduct(v2, b.normal) - 1, 0.001);
+					if (Math.abs(relLen) > 0.01)
+						return relLen;
+				}
+				var v1 = vector.getVectorAB(obj._cameraPos, a.pos3d[0]);
+				for (var p = 0; p < b.pos2d.length; p++) {
+					var v2 = vector.getVectorAB(obj._cameraPos, b.pos3d[p]);
+					var relLen = roundToNearest(vector.dotProduct(v1, a.normal) / vector.dotProduct(v2, a.normal) - 1, 0.001);
+					if (Math.abs(relLen) > 0.01)
+						return -relLen;
+				}
+				/*var intersectionPolygon = polygonsIntersectionPolygon(a.pos2d,b.pos2d);
+				if (intersectionPolygon.length > 0) {
+				//console.log(a.pos2d,b.pos2d,intersectionPolygon);
+				}*/
+
+				/*var intersections = polygonIntersections(a.pos2d,b.pos2d);
+				if (intersections.length > 0) {
+				console.log(a,b,intersections);
+				}*/
+				/*for (var p = 0; p < b.pos2d.length; p++) {
+				if (hitTestPolygon(b.pos2d[p],a.pos2d,false)) {
+				var v1 = vector.getVectorAB(obj._cameraPos,a.pos3d[0]);
+				var v2 = vector.getVectorAB(obj._cameraPos,b.pos3d[p]);
+				var n = a.normal;
+				var relLen = vector.dotProduct(v1,n)/vector.dotProduct(v2,n);
+				console.log('b',p,a,b,v1,v2,n,relLen);
+				return 1-relLen;
+				}
+				}*/
+
+				/*
+				for (var p = 0; p < a.pos3d.length; p++) {
+				var dir = vector.getVectorAB(a.pos3d[p],a.pos3d[(p+1)%a.pos3d.length]);
+				var unit = vector.getUnitVector(dir);
+				var mag = vector.getMagnitude(dir);
+				var n = 0;
+				while (n < mag) {
+				var pos3d = vector.addVectors(a.pos3d[p],unit,n);
+				var pos2d = draw.three.convert3dPosTo2d(obj,pos3d);
+				if (hitTestPolygon(pos2d,b.pos2d,true)) {
+				var v1 = vector.getVectorAB(obj._cameraPos,b.pos3d[0]);
+				var v2 = vector.getVectorAB(obj._cameraPos,pos3d);
+				var relLen = roundToNearest(vector.dotProduct(v1,b.normal)/vector.dotProduct(v2,b.normal)-1,0.00001);
+				if (relLen !== 0) {
+				//console.log('a',p,pos3d,pos2d,b.pos3d,v1,v2,relLen);
+				return relLen;
+				}
+				}
+				n += 10;
+				}
+				}
+				for (var p = 0; p < b.pos3d.length; p++) {
+				var dir = vector.getVectorAB(b.pos3d[p],b.pos3d[(p+1)%b.pos3d.length]);
+				var unit = vector.getUnitVector(dir);
+				var mag = vector.getMagnitude(dir);
+				var n = 0;
+				while (n < mag) {
+				var pos3d = vector.addVectors(b.pos3d[p],unit,n);
+				var pos2d = draw.three.convert3dPosTo2d(obj,pos3d);
+				if (hitTestPolygon(pos2d,a.pos2d,true)) {
+				var v1 = vector.getVectorAB(obj._cameraPos,a.pos3d[0]);
+				var v2 = vector.getVectorAB(obj._cameraPos,pos3d);
+				var relLen = roundToNearest(vector.dotProduct(v1,a.normal)/vector.dotProduct(v2,a.normal)-1,0.00001);
+				if (relLen !== 0) {
+				//console.log('b',p,pos3d,pos2d,a.pos3d,v1,v2,relLen);
+				return relLen;
+				}
+				}
+				n += 10;
+				}
+				}
+				//*/
+				/*for (var p = 0; p < b.pos2d.length; p++) {
+				if (hitTestPolygon(b.pos2d[p],a.pos2d,false)) {
+				var v1 = vector.getVectorAB(obj._cameraPos,a.pos3d[0]);
+				var v2 = vector.getVectorAB(obj._cameraPos,b.pos3d[p]);
+				var n = a.normal;
+				var relLen = vector.dotProduct(v1,n)/vector.dotProduct(v2,n);
+				console.log('b',p,a,b,v1,v2,n,relLen);
+				return 1-relLen;
+				}
+				}//*/
+				if (b.angleToCamera !== a.angleToCamera)
+					return Math.abs(b.angleToCamera) - Math.abs(a.angleToCamera);
+				return b.distanceToCamera - a.distanceToCamera;
+			});
+
+			for (var f = 0; f < elements.length; f++) {
+				var element = elements[f];
+				if (element.type2 == 'face') {
+					var face = element;
+					if (face.angleToCamera > Math.PI / 2) {
+						if (drawBackFaces == 'none')
+							continue;
+						if (drawBackFaces == 'dash' || drawBackFaces == 'outline')
+							face.fill = false;
+						if (drawBackFaces == 'dash')
+							face.dash = [10, 10];
+						if (drawBackFaces == 'outline')
+							face.strokeStyle = '#666';
+					}
+					if (obj.directionalColors == true) {
+						if (face.normal[0] == 0 && face.normal[1] == 0)
+							face.fillStyle = '#F66';
+						if (face.normal[0] == 0 && face.normal[2] == 0)
+							face.fillStyle = '#66F';
+						if (face.normal[1] == 0 && face.normal[2] == 0)
+							face.fillStyle = '#6C6';
+						if (un(face.fillStyle))
+							face.fillStyle = '#FFF';
+					} else {
+						var brightness = obj._brightness - obj._contrast * face.angleToLight / Math.PI;
+						var color = def([face.color, path3d.color, obj.fillStyle, '#0FF']);
+						var alpha = def([path3d.alpha, obj.alpha, 0.5]);
+						face.fillStyle = draw.three.getColor(color, brightness, alpha);
+					}
+					//console.log('face:',face);
+					draw.three.drawFace(ctx, obj, face, path);
+					if (boolean(obj.drawFaceNormals, false) == true)
+						draw.three.drawNormalToFace(ctx, obj, face);
+					if (face.angleToCamera < Math.PI / 2 && path3d.type == 'cuboid') {
+						var face2 = clone(face);
+						face2.dims = path3d.dims;
+						face2.pos = path3d.pos;
+						obj._cubeFaces.push(face2);
+					}
+				} else if (element.type2 == 'label') {
+					draw.three.drawLabel(ctx, obj, element, path);
+				}
+			}
+		}
+		delete draw.three._dashLines;
+
+		return;
+
+		/* version 2
+		obj._top = [obj.center[0],obj.center[1]-(1-obj.tilt)*obj.height];
+
+		// collect all paths edges and vertices to draw
+		var paths = [];
+		for (var p = 0; p < obj.paths3d.length; p++) {
+		var path3d = obj.paths3d[p];
+		if (un(draw.three.path3d[path3d.type]) || un(draw.three.path3d[path3d.type].getPos3d)) continue;
+		path3d._pos = draw.three.path3d[path3d.type].getPos3d(path3d);
+		if (!un(path3d._pos.faces)) {
+		for (var f = 0; f < path3d._pos.faces.length; f++) {
+		var face = path3d._pos.faces[f];
+		if (face.draw === false) continue;
+		face.type = 'face';
+		face.normal = draw.three.getFaceNormal(face);
+		face.angleToCamera = draw.three.getAngleBetweenTwo3dVectors(face.normal,obj._camera);
+		face.angleToLight = draw.three.getAngleBetweenTwo3dVectors(face.normal,obj._light);
+		face.meanPoint = draw.three.getMeanPoint(face.pos3d);
+		face.distanceToCamera = draw.three.getDistanceTwoPoints(face.meanPoint,obj._cameraPos);
+		face.pathIndex = p;
+		paths.push(face);
+		}
+		}
+		if (!un(path3d._pos.edges)) {
+		for (var e = 0; e < path3d._pos.edges.length; e++) {
+		var edge = path3d._pos.edges[e];
+		if (edge.draw === false) continue;
+		edge.type = 'edge'
+		edge.meanPoint = draw.three.getMeanPoint(edge.pos3d);
+		edge.distanceToCamera = draw.three.getDistanceTwoPoints(edge.meanPoint,obj._cameraPos);
+		edge.pathIndex = p;
+		paths.push(edge);
+		}
+		}
+		if (!un(path3d._pos.vertices)) {
+		for (var v = 0; v < path3d._pos.vertices.length; v++) {
+		var vertex = path3d._pos.vertices[v];
+		if (vertex.draw === false) continue;
+		vertex.type = 'vertex';
+		vertex.meanPoint = vertex.pos3d;
+		vertex.distanceToCamera = draw.three.getDistanceTwoPoints(vertex.meanPoint,obj._cameraPos);
+		vertex.pathIndex = p;
+		paths.push(vertex);
+		}
+		}
+		};
+
+		paths.sort(function(a,b) {
+		if (a.drawFirst == true) return -1;
+		if (b.drawFirst == true) return 1;
+		if (!un(b.angleToCamera) && !un(a.angleToCamera)) return Math.abs(b.angleToCamera) - Math.abs(a.angleToCamera);
+		return b.distanceToCamera - a.distanceToCamera;
+		});
+
+		draw.three._dashLines = [];
+		for (var p = 0; p < paths.length; p++) {
+		//console.log(p,paths[p]);
+		var path3d = obj.paths3d[paths[p].pathIndex];
+		if (paths[p].type == 'face') {
+		var face = paths[p];
+		if (face.angleToCamera > Math.PI/2) {
+		if (drawBackFaces == 'none') continue;
+		if (drawBackFaces == 'dash' || drawBackFaces == 'outline') face.fill = false;
+		if (drawBackFaces == 'dash') face.dash = [10,10];
+		if (drawBackFaces == 'outline') face.strokeStyle = '#666';
+		}
+		if (obj.directionalColors == true) {
+		if (face.normal[0] == 0 && face.normal[1] == 0) face.fillStyle = '#F66';
+		if (face.normal[0] == 0 && face.normal[2] == 0) face.fillStyle = '#66F';
+		if (face.normal[1] == 0 && face.normal[2] == 0) face.fillStyle = '#6C6';
+		if (un(face.fillStyle)) face.fillStyle = '#FFF';
+		} else {
+		var brightness = obj._brightness - obj._contrast*face.angleToLight/Math.PI;
+		var color = def([path3d.color,obj.fillStyle,'#0FF']);
+		var alpha = def([path3d.alpha,obj.alpha,0.5]);
+		face.fillStyle = draw.three.getColor(color,brightness,alpha);
+		}
+		draw.three.drawFace(ctx,obj,face,path);
+		if (boolean(obj.drawFaceNormals,false) == true) draw.three.drawNormalToFace(ctx,obj,face);
+		}
+		}
+		delete draw.three._dashLines;
+		 */
+		/* version 1
+		for (var p = 0; p < obj.paths3d.length; p++) {
+		var path3d = obj.paths3d[p];
+		if (un(draw.three.path3d[path3d.type])) continue;
+		if (!un(draw.three.path3d[path3d.type].getPos3d)) {
+		path3d._pos = draw.three.path3d[path3d.type].getPos3d(path3d);
+		ctx.fillStyle = '#0FF';
+		ctx.strokeStyle = '#000';
+		ctx.lineWidth = 1;
+		var faces = path3d._pos.faces;
+		for (var f = 0; f < faces.length; f++) {
+		var face = faces[f];
+		face.normal = draw.three.getFaceNormal(face);
+		face.angleToCamera = draw.three.getAngleBetweenTwo3dVectors(face.normal,obj._camera);
+		face.angleToLight = draw.three.getAngleBetweenTwo3dVectors(face.normal,obj._light);
+		}
+		var faces2 = faces.sort(function(a,b) {
+		return Math.abs(b.angleToCamera) - Math.abs(a.angleToCamera);
+		});
+		var drawBackFaces = !un(obj.drawBackFaces) ? obj.drawBackFaces : 'auto';
+		for (var f = 0; f < faces2.length; f++) {
+		var face = faces2[f];
+		if (face.angleToCamera > Math.PI/2) {
+		if (drawBackFaces == 'none') continue;
+		if (drawBackFaces == 'dash' || drawBackFaces == 'outline') face.fill = false;
+		if (drawBackFaces == 'dash') face.dash = [10,10];
+		if (drawBackFaces == 'outline') face.strokeStyle = '#666';
+		} else {
+		face.brightness = obj._brightness - obj._contrast*face.angleToLight/Math.PI;
+		face.color = draw.three.getColor(path3d.color,face.brightness,path3d.alpha);
+		face.fillStyle = face.color;
+		}
+
+		face.pos2d = [];
+		for (var p2 = 0; p2 < face.pos3d.length; p2++) {
+		face.pos2d[p2] = draw.three.convert3dPosTo2d(obj,face.pos3d[p2]);
+		}
+
+		draw.three.drawFace(ctx,face);
+		if (boolean(obj.drawFaceNormals,false) == true) draw.three.drawNormalToFace(ctx,obj,face);
+		}
+		if (!un(path3d._pos.edges)) {
+		for (var e = 0; e < path3d._pos.edges.length; e++) {
+		var edge = path3d._pos.edges[e];
+		//edge.fillStyle = '#F00';
+		draw.three.drawEdge(ctx,obj,edge);
+		}
+		}
+		for (var v = 0; v < path3d._pos.vertices.length; v++) {
+		var vertex = {pos:path3d._pos.vertices[v]};
+		vertex.fillStyle = '#F00';
+		draw.three.drawVertex(ctx,obj,vertex);
+		}
+		} else {
+		draw.three.path3d[path3d.type].draw(ctx,obj,path3d);
+		}
+		if (!un(draw.three.path3d[path3d.type].drawEdges)) {
+		draw.three.path3d[path3d.type].drawEdges(ctx,obj,path3d);
+		}
+		if (!un(draw.three.path3d[path3d.type].getDragPoints)) {
+		var dragPoints = draw.three.path3d[path3d.type].getDragPoints(obj,path3d);
+		for (var d = 0; d < dragPoints.length; d++) {
+		ctx.fillStyle = '#F00';
+		ctx.strokeStyle = '#000';
+		ctx.lineWidth = 1;
+		ctx.beginPath();
+		ctx.arc(dragPoints[d].dims[0],dragPoints[d].dims[1],dragPoints[d].dims[2],0,2*Math.PI);
+		ctx.fill();
+		ctx.stroke();
+		}
+		}
+		}*/
+	},
+	drawFace: function (ctx, obj, face, path) {
+		ctx.save();
+		//face.pos2d = [];
+		//for (var p2 = 0; p2 < face.pos3d.length; p2++) face.pos2d[p2] = draw.three.convert3dPosTo2d(obj,face.pos3d[p2]);
+		ctx.beginPath();
+		ctx.moveTo(face.pos2d[0][0], face.pos2d[0][1]);
+		for (var i = 0; i < face.pos2d.length; i++)
+			ctx.lineTo(face.pos2d[i][0], face.pos2d[i][1]);
+		ctx.lineTo(face.pos2d[0][0], face.pos2d[0][1]);
+		ctx.closePath();
+		if (face.fill !== false && face.fillStyle !== 'none') {
+			if (Math.abs(face.angleToCamera - Math.PI / 2) < 0.001 && face.stroke == false) {
+				ctx.strokeStyle = face.fillStyle; // if face is observed as a line from the view angle
+				ctx.lineWidth = 1;
+				ctx.stroke();
+			} else {
+				ctx.fillStyle = face.fillStyle;
+				ctx.fill();
+			}
+		}
+		if (face.stroke !== false) {
+			if (!un(face.dash)) {
+				for (var i = 0; i < face.pos2d.length; i++) {
+					var pos1 = face.pos2d[i];
+					var pos2 = face.pos2d[(i + 1) % face.pos2d.length];
+					var found = false;
+					for (var k = 0; k < draw.three._dashLines.length; k++) {
+						var pos3 = draw.three._dashLines[k][0];
+						var pos4 = draw.three._dashLines[k][1];
+						if ((arraysEqual(pos1, pos3) && arraysEqual(pos2, pos4)) || (arraysEqual(pos1, pos4) && arraysEqual(pos2, pos3))) {
+							found = true;
+							break;
+						}
+					}
+					if (found == false) {
+						ctx.setLineDash(face.dash);
+						ctx.strokeStyle = def([face.strokeStyle, obj.strokeStyle, '#000']);
+						ctx.lineWidth = def([face.lineWidth, obj.lineWidth, 1]);
+						ctx.lineWidth = ctx.lineWidth * 0.75;
+						ctx.lineJoin = 'round';
+						ctx.lineCap = 'round';
+						ctx.beginPath();
+						ctx.moveTo(pos1[0], pos1[1]);
+						ctx.lineTo(pos2[0], pos2[1]);
+						ctx.stroke();
+						ctx.setLineDash([]);
+						draw.three._dashLines.push([pos1, pos2]);
+					}
+				}
+			} else {
+				ctx.strokeStyle = def([face.strokeStyle, obj.strokeStyle, '#000']);
+				ctx.lineWidth = def([face.lineWidth, obj.lineWidth, 1]);
+				ctx.lineJoin = 'round';
+				ctx.lineCap = 'round';
+				ctx.stroke();
+			}
+			if (obj.faceGrid == true) {
+				if (face.normal[0] == 0 && face.normal[1] == 0) {
+					var edges = [];
+					var xMin = xMax = face.pos3d[0][0],
+					yMin = yMax = face.pos3d[0][1];
+					var z = face.pos3d[0][2];
+					for (var v = 0; v < face.pos3d.length; v++) {
+						xMin = Math.min(xMin, face.pos3d[v][0]);
+						xMax = Math.max(xMax, face.pos3d[v][0]);
+						yMin = Math.min(yMin, face.pos3d[v][1]);
+						yMax = Math.max(yMax, face.pos3d[v][1]);
+						edges.push([face.pos3d[v], face.pos3d[(v + 1) % face.pos3d.length]]);
+					}
+					var x = obj.gridStep * Math.ceil(xMin / obj.gridStep);
+					while (x <= xMax) {
+						var intersections = [];
+						for (var e = 0; e < edges.length; e++) {
+							var edge = edges[e];
+							if (intersects2(x, 0, x, 1, edge[0][0], edge[0][1], edge[1][0], edge[1][1]) == true) {
+								var inter = intersection(x, 0, x, 1, edge[0][0], edge[0][1], edge[1][0], edge[1][1]);
+								inter.push(z);
+								intersections.push(inter);
+							}
+						}
+						if (intersections.length >= 2 && intersections.length <= 3)
+							drawLineSegment(intersections);
+						x += obj.gridStep;
+					}
+					var y = obj.gridStep * Math.ceil(yMin / obj.gridStep);
+					while (y <= yMax) {
+						var intersections = [];
+						for (var e = 0; e < edges.length; e++) {
+							var edge = edges[e];
+							if (intersects2(0, y, 1, y, edge[0][0], edge[0][1], edge[1][0], edge[1][1]) == true) {
+								var inter = intersection(0, y, 1, y, edge[0][0], edge[0][1], edge[1][0], edge[1][1]);
+								inter.push(z);
+								intersections.push(inter);
+							}
+						}
+						if (intersections.length >= 2 && intersections.length <= 3)
+							drawLineSegment(intersections);
+						y += obj.gridStep;
+					}
+				} else if (face.normal[0] == 0 && face.normal[2] == 0) {
+					var edges = [];
+					var xMin = xMax = face.pos3d[0][0],
+					zMin = zMax = face.pos3d[0][2];
+					var y = face.pos3d[0][1];
+					for (var v = 0; v < face.pos3d.length; v++) {
+						xMin = Math.min(xMin, face.pos3d[v][0]);
+						xMax = Math.max(xMax, face.pos3d[v][0]);
+						zMin = Math.min(zMin, face.pos3d[v][2]);
+						zMax = Math.max(zMax, face.pos3d[v][2]);
+						edges.push([face.pos3d[v], face.pos3d[(v + 1) % face.pos3d.length]]);
+					}
+					var x = obj.gridStep * Math.ceil(xMin / obj.gridStep);
+					while (x <= xMax) {
+						var intersections = [];
+						for (var e = 0; e < edges.length; e++) {
+							var edge = edges[e];
+							if (intersects2(x, 0, x, 1, edge[0][0], edge[0][2], edge[1][0], edge[1][2]) == true) {
+								var inter = intersection(x, 0, x, 1, edge[0][0], edge[0][2], edge[1][0], edge[1][2]);
+								inter = [inter[0], y, inter[1]];
+								intersections.push(inter);
+							}
+						}
+						if (intersections.length >= 2 && intersections.length <= 3)
+							drawLineSegment(intersections);
+						x += obj.gridStep;
+					}
+					var z = obj.gridStep * Math.ceil(zMin / obj.gridStep);
+					while (z <= zMax) {
+						var intersections = [];
+						for (var e = 0; e < edges.length; e++) {
+							var edge = edges[e];
+							if (intersects2(0, z, 1, z, edge[0][0], edge[0][2], edge[1][0], edge[1][2]) == true) {
+								var inter = intersection(0, z, 1, z, edge[0][0], edge[0][2], edge[1][0], edge[1][2]);
+								inter = [inter[0], y, inter[1]];
+								intersections.push(inter);
+							}
+						}
+						if (intersections.length >= 2 && intersections.length <= 3)
+							drawLineSegment(intersections);
+						z += obj.gridStep;
+					}
+				} else if (face.normal[1] == 0 && face.normal[2] == 0) {
+					var edges = [];
+					var yMin = yMax = face.pos3d[0][1],
+					zMin = zMax = face.pos3d[0][2];
+					var x = face.pos3d[0][0];
+					for (var v = 0; v < face.pos3d.length; v++) {
+						yMin = Math.min(yMin, face.pos3d[v][1]);
+						yMax = Math.max(yMax, face.pos3d[v][1]);
+						zMin = Math.min(zMin, face.pos3d[v][2]);
+						zMax = Math.max(zMax, face.pos3d[v][2]);
+						edges.push([face.pos3d[v], face.pos3d[(v + 1) % face.pos3d.length]]);
+					}
+					var y = obj.gridStep * Math.ceil(yMin / obj.gridStep);
+					while (y <= yMax) {
+						var intersections = [];
+						for (var e = 0; e < edges.length; e++) {
+							var edge = edges[e];
+							if (intersects2(y, 0, y, 1, edge[0][1], edge[0][2], edge[1][1], edge[1][2]) == true) {
+								var inter = intersection(y, 0, y, 1, edge[0][1], edge[0][2], edge[1][1], edge[1][2]);
+								inter.unshift(x);
+								intersections.push(inter);
+							}
+						}
+						if (intersections.length >= 2 && intersections.length <= 3)
+							drawLineSegment(intersections);
+						y += obj.gridStep;
+					}
+					var z = obj.gridStep * Math.ceil(zMin / obj.gridStep);
+					while (z <= zMax) {
+						var intersections = [];
+						for (var e = 0; e < edges.length; e++) {
+							var edge = edges[e];
+							if (intersects2(0, z, 1, z, edge[0][1], edge[0][2], edge[1][1], edge[1][2]) == true) {
+								var inter = intersection(0, z, 1, z, edge[0][1], edge[0][2], edge[1][1], edge[1][2]);
+								inter.unshift(x);
+								intersections.push(inter);
+							}
+						}
+						if (intersections.length >= 2 && intersections.length <= 3)
+							drawLineSegment(intersections);
+						z += obj.gridStep;
+					}
+				}
+			}
+		}
+		if (!un(face.paths)) {
+			for (var p = 0; p < face.paths.length; p++) {
+				if (face.paths[p].dragOnly == true && (path.selected !== true && (un(path.interact) || path.interact.edit3dShape !== true)))
+					continue;
+				draw.three.drawPath(ctx, obj, face.paths[p], face);
+			}
+		}
+		ctx.restore();
+		function drawLineSegment(pos3d) {
+			ctx.beginPath();
+			var pos1 = draw.three.convert3dPosTo2d(obj, pos3d[0]);
+			var pos2 = draw.three.convert3dPosTo2d(obj, pos3d[1]);
+			ctx.moveTo(pos1[0], pos1[1]);
+			ctx.lineTo(pos2[0], pos2[1]);
+			ctx.strokeStyle = def([face.strokeStyle, obj.strokeStyle, '#000']);
+			ctx.lineWidth = def([face.lineWidth, obj.lineWidth, 1]);
+			ctx.lineJoin = 'round';
+			ctx.lineCap = 'round';
+			ctx.stroke();
+		}
+	},
+	drawPath: function (ctx, obj, path, face) {
+		if (path instanceof Array) {
+			for (var p = 0; p < path.length; p++)
+				draw.three.drawPath(ctx, obj, path[p]);
+			return;
+		}
+		if (boolean(path.visible, true) == false)
+			return;
+		if (!un(path.type) && !un(draw.three.drawPathType[path.type])) {
+			draw.three.drawPathType[path.type](ctx, obj, path, face);
+			return;
+		};
+		if (path.pos.length == 3 && typeof path.pos[0] == 'number' && typeof path.pos[1] == 'number' && typeof path.pos[2] == 'number') {
+			var pos2d = draw.three.convert3dPosTo2d(obj, path.pos);
+			if (path.limit == true && dist(obj.center[0], obj.center[1], pos2d[0], pos2d[1]) > Math.sqrt(2) * obj.gridSize)
+				return;
+			var radius = def([path.radius, obj.pointRadius, 8]);
+			ctx.save();
+			ctx.beginPath();
+			ctx.moveTo(pos2d[0], pos2d[1]);
+			ctx.arc(pos2d[0], pos2d[1], radius, 0, 2 * Math.PI);
+			if (!un(path.fillStyle && path.fillStyle !== 'none')) {
+				ctx.fillStyle = path.fillStyle;
+				ctx.fill();
+			}
+			if (!un(path.strokeStyle && path.strokeStyle !== 'none')) {
+				ctx.strokeStyle = path.strokeStyle;
+				ctx.lineWidth = path.lineWidth || 1;
+				ctx.stroke();
+			}
+			ctx.restore();
+			return;
+		}
+
+		var pos2d = [];
+		for (var p = 0; p < path.pos.length; p++)
+			pos2d[p] = draw.three.convert3dPosTo2d(obj, path.pos[p]);
+		ctx.save();
+		ctx.beginPath();
+		ctx.moveTo(pos2d[0][0], pos2d[0][1]);
+		for (var p = 0; p < pos2d.length; p++)
+			ctx.lineTo(pos2d[p][0], pos2d[p][1]);
+		if (path.close == true)
+			path.closePath();
+		if (!un(path.fillStyle && path.fillStyle !== 'none')) {
+			ctx.fillStyle = path.fillStyle;
+			ctx.fill();
+		}
+		if (!un(path.strokeStyle && path.strokeStyle !== 'none')) {
+			ctx.strokeStyle = path.strokeStyle;
+			ctx.lineWidth = path.lineWidth || 1;
+			ctx.stroke();
+		}
+		ctx.restore();
+	},
+	drawPathType: {
+		angle: function (ctx, obj, angle, face) {
+			var v1 = vector.getVectorAB(angle.pos[1], angle.pos[0]);
+			var v2 = vector.getVectorAB(angle.pos[1], angle.pos[2]);
+			var angleMeasure = draw.three.getAngleBetweenTwo3dVectors(v1, v2);
+
+			if (Math.abs(180 * angleMeasure / Math.PI - 90) < 0.5) { // right angle
+				var v3 = vector.setMagnitude(v1, angle.radius * 0.5);
+				var v4 = vector.setMagnitude(v2, angle.radius * 0.5);
+				var p1 = vector.addVectors(angle.pos[1], v3);
+				var p2 = vector.addVectors(angle.pos[1], v4);
+				var p3 = vector.addVectors(p1, v4);
+
+				var a = draw.three.convert3dPosTo2d(obj, angle.pos[0]);
+				var b = draw.three.convert3dPosTo2d(obj, angle.pos[1]);
+				var c = draw.three.convert3dPosTo2d(obj, angle.pos[2]);
+				var d = draw.three.convert3dPosTo2d(obj, p1);
+				var e = draw.three.convert3dPosTo2d(obj, p2);
+				var f = draw.three.convert3dPosTo2d(obj, p3);
+
+				ctx.save();
+				if (!un(angle.fillTriangle) && angle.fillTriangle !== 'none' && angle.fillTriangle !== false) {
+					ctx.fillStyle = angle.fillTriangle;
+					ctx.beginPath();
+					ctx.moveTo(a[0], a[1]);
+					ctx.lineTo(b[0], b[1]);
+					ctx.lineTo(c[0], c[1]);
+					ctx.lineTo(a[0], a[1]);
+					ctx.fill();
+				}
+				if (!un(angle.lineTriangle) && angle.lineTriangle !== 'none' && angle.lineTriangle !== false) {
+					ctx.strokeStyle = angle.lineTriangle;
+					ctx.lineWidth = angle.lineWidth;
+					ctx.beginPath();
+					ctx.moveTo(a[0], a[1]);
+					ctx.lineTo(b[0], b[1]);
+					ctx.lineTo(c[0], c[1]);
+					ctx.lineTo(a[0], a[1]);
+					ctx.stroke();
+				}
+				if (angle.fillColor !== 'none') {
+					ctx.fillStyle = angle.fillColor;
+					ctx.beginPath();
+					ctx.moveTo(b[0], b[1]);
+					ctx.lineTo(d[0], d[1]);
+					ctx.lineTo(f[0], f[1]);
+					ctx.lineTo(e[0], e[1]);
+					ctx.lineTo(b[0], b[1]);
+					ctx.fill();
+				}
+				if (angle.lineColor !== 'none') {
+					ctx.strokeStyle = angle.lineColor;
+					ctx.lineWidth = angle.lineWidth;
+					if (angle.drawCurve !== false) {
+						ctx.beginPath();
+						ctx.lineTo(d[0], d[1]);
+						ctx.lineTo(f[0], f[1]);
+						ctx.lineTo(e[0], e[1]);
+						ctx.stroke();
+					}
+					if (angle.drawLines !== false) {
+						ctx.beginPath();
+						ctx.moveTo(a[0], a[1])
+						ctx.lineTo(b[0], b[1]);
+						ctx.lineTo(c[0], c[1]);
+						ctx.stroke();
+					}
+				}
+				ctx.restore();
+
+			} else {
+				var normalVector = draw.three.getFaceNormal(face);
+				var normalVector2 = vector.setMagnitude(normalVector, 100);
+				var normPos2 = vector.addVectors(angle.pos[1], normalVector2);
+				var radiusVector = vector.setMagnitude(v1, angle.radius);
+				var pos = vector.addVectors(angle.pos[1], radiusVector);
+				var curvePos = [clone(pos)];
+
+				var v3 = clone(angle.pos[1]);
+				var v4 = [-v3[0], -v3[1], -v3[2]];
+				for (var a = 0.05; a < angleMeasure; a += 0.05) {
+					pos = vector.addVectors(pos, v4);
+					pos = draw.three.rotatePointAboutLine(pos, [0, 0, 0], normalVector2, -0.05);
+					pos = vector.addVectors(pos, v3);
+					curvePos.push(clone(pos));
+				}
+				var radiusVector2 = vector.setMagnitude(v2, angle.radius);
+				var pos = vector.addVectors(angle.pos[1], radiusVector2);
+				curvePos.push(clone(pos));
+
+				var a = draw.three.convert3dPosTo2d(obj, angle.pos[0]);
+				var b = draw.three.convert3dPosTo2d(obj, angle.pos[1]);
+				var c = draw.three.convert3dPosTo2d(obj, angle.pos[2]);
+				var curvePos2d = [];
+				for (var p = 0; p < curvePos.length; p++) {
+					curvePos2d[p] = draw.three.convert3dPosTo2d(obj, curvePos[p]);
+				}
+
+				ctx.save();
+				if (!un(angle.fillTriangle) && angle.fillTriangle !== 'none') {
+					ctx.fillStyle = angle.fillTriangle;
+					ctx.beginPath();
+					ctx.moveTo(a[0], a[1]);
+					ctx.lineTo(b[0], b[1]);
+					ctx.lineTo(c[0], c[1]);
+					ctx.lineTo(a[0], a[1]);
+					ctx.fill();
+				}
+				if (!un(angle.lineTriangle) && angle.lineTriangle !== 'none' && angle.lineTriangle !== false) {
+					ctx.strokeStyle = angle.lineTriangle;
+					ctx.lineWidth = angle.lineWidth;
+					ctx.beginPath();
+					ctx.moveTo(a[0], a[1]);
+					ctx.lineTo(b[0], b[1]);
+					ctx.lineTo(c[0], c[1]);
+					ctx.lineTo(a[0], a[1]);
+					ctx.stroke();
+				}
+				if (angle.fillColor !== 'none') {
+					ctx.fillStyle = angle.fillColor;
+					ctx.beginPath();
+					ctx.moveTo(b[0], b[1]);
+					for (var p = 0; p < curvePos2d.length; p++) {
+						ctx.lineTo(curvePos2d[p][0], curvePos2d[p][1]);
+					}
+					ctx.lineTo(b[0], b[1]);
+					ctx.fill();
+				}
+				if (angle.lineColor !== 'none') {
+					ctx.strokeStyle = angle.lineColor;
+					ctx.lineWidth = angle.lineWidth;
+					if (angle.drawCurve !== false) {
+						ctx.beginPath();
+						ctx.moveTo(curvePos2d[0][0], curvePos2d[0][1]);
+						for (var p = 1; p < curvePos2d.length; p++) {
+							ctx.lineTo(curvePos2d[p][0], curvePos2d[p][1]);
+						}
+						ctx.stroke();
+					}
+					if (angle.drawLines !== false) {
+						ctx.beginPath();
+						ctx.moveTo(a[0], a[1])
+						ctx.lineTo(b[0], b[1]);
+						ctx.lineTo(c[0], c[1]);
+						ctx.stroke();
+					}
+				}
+
+				if (angle.labelType !== 'none' && Math.abs(face.angleToCamera - Math.PI / 2) > 0.1) {
+					if (angle.labelType == 'measure') {
+						var label = [Math.round(180 * angleMeasure / Math.PI) + degrees];
+					} else {
+						var label = angle.label;
+					}
+
+					var pos = vector.setMagnitude(v1, angle.labelRadius);
+					pos = vector.addVectors(pos, angle.pos[1]);
+					pos = vector.addVectors(pos, v4);
+					pos = draw.three.rotatePointAboutLine(pos, [0, 0, 0], normalVector2, -angleMeasure / 2);
+					pos = vector.addVectors(pos, v3);
+					var pos2d = draw.three.convert3dPosTo2d(obj, pos);
+					text({
+						ctx: ctx,
+						rect: [pos2d[0] - 50, pos2d[1] - 50, 100, 100],
+						align: [0, 0],
+						text: label
+					});
+				}
+				ctx.restore();
+
+			}
+		},
+		lineSegment: function (ctx, obj, lineSegment, face) {
+			var a = draw.three.convert3dPosTo2d(obj, lineSegment.pos[0]);
+			var b = draw.three.convert3dPosTo2d(obj, lineSegment.pos[1]);
+
+			ctx.save();
+			if (lineSegment.lineColor !== 'none') {
+				ctx.strokeStyle = lineSegment.lineColor;
+				ctx.lineWidth = lineSegment.lineWidth;
+				ctx.beginPath();
+				ctx.moveTo(a[0], a[1]);
+				ctx.lineTo(b[0], b[1]);
+				ctx.stroke();
+			}
+			ctx.restore();
+		},
+		polygon: function (ctx, obj, polygon, face) {
+			var pos2d = [];
+			for (var p = 0; p < polygon.pos.length; p++) {
+				pos2d[p] = draw.three.convert3dPosTo2d(obj, polygon.pos[p]);
+			}
+			ctx.save();
+			ctx.beginPath();
+			ctx.moveTo(pos2d[0][0], pos2d[0][1]);
+			for (var p = 1; p < pos2d.length; p++) {
+				ctx.lineTo(pos2d[p][0], pos2d[p][1]);
+			}
+			if (boolean(polygon.close, true) == true)
+				ctx.closePath();
+
+			if (polygon.fillColor !== 'none' && polygon.fillColor !== false) {
+				ctx.fillStyle = polygon.fillColor;
+				ctx.fill();
+			}
+			if (polygon.lineColor !== 'none' && polygon.lineColor !== false) {
+				ctx.strokeStyle = polygon.lineColor;
+				ctx.lineWidth = polygon.lineWidth;
+				ctx.stroke();
+			}
+			ctx.restore();
+		}
+	},
+	drawLabel: function (ctx, obj, label, path) {
+		var txt = label.text;
+		if (typeof txt == 'string')
+			txt = [txt];
+		text({
+			ctx: ctx,
+			rect: [label.pos2d[0] - 100, label.pos2d[1] - 100, 200, 200],
+			align: [0, 0],
+			text: label.text
+		});
+	},
+
+	getButtons: function (x1, y1, x2, y2, pathNum) {
+		return [];
+	},
+	getCursorPositionsSelected: function (obj, pathNum, override) {
+		if (draw.mode === 'interact' && override !== true)
+			return [];
+		var path = draw.path[pathNum];
+		var pos = [];
+		pos.push({
+			shape: 'rect',
+			dims: draw.three.getRect(obj),
+			cursor: draw.cursors.move1,
+			func: draw.three.drag3dStart,
+			obj: obj
+		});
+		if (obj.mode === 'cubeBuilding') {
+			var positions = draw.three.cubeDrawing.getCursorPositionsBuild(obj);
+			draw.color = '#000';
+			draw.cursors.update();
+			for (var p2 = 0; p2 < positions.length; p2++) {
+				pos.push({
+					shape: 'polygon',
+					dims: positions[p2].pos2d,
+					cursor: 'url(' + draw.lineCursor + ') ' + draw.lineCursorHotspot[0] + ' ' + draw.lineCursorHotspot[1] + ', auto',
+					func: draw.three.cubeDrawing.click,
+					interact: true,
+					path: path,
+					obj: obj,
+					position: positions[p2],
+					mode: 'build'
+				});
+			}
+		} else if (obj.mode === 'cubeRemoving') {
+			var positions = draw.three.cubeDrawing.getCursorPositionsRemove(obj);
+			draw.color = '#F00';
+			draw.cursors.update();
+			for (var p2 = 0; p2 < positions.length; p2++) {
+				pos.push({
+					shape: 'polygon',
+					dims: positions[p2].pos2d,
+					cursor: 'url(' + draw.lineCursor + ') ' + draw.lineCursorHotspot[0] + ' ' + draw.lineCursorHotspot[1] + ', auto',
+					func: draw.three.cubeDrawing.click,
+					interact: true,
+					path: path,
+					obj: obj,
+					position: positions[p2],
+					mode: 'remove'
+				});
+			}
+		} else {
+			for (var p = 0; p < obj.paths3d.length; p++) {
+				var path3d = obj.paths3d[p];
+				if (!un(draw.three.path3d[path3d.type]) && !un(draw.three.path3d[path3d.type].getDragPoints)) {
+					pos = pos.concat(draw.three.path3d[path3d.type].getDragPoints(obj, path3d));
+				}
+				if (!un(path3d._faces)) {
+					var radius = def([obj.pointRadius, 8]);
+					for (var f = 0; f < path3d._faces.length; f++) {
+						var face = path3d._faces[f];
+						if (un(face.paths))
+							continue;
+						for (var i = 0; i < face.paths.length; i++) {
+							var path = face.paths[i];
+							var vars = path.vars || {};
+							if (!un(path.drag)) {
+								var pos2d = draw.three.convert3dPosTo2d(obj, path.pos);
+								pos.push({
+									shape: 'circle',
+									dims: [pos2d[0], pos2d[1], radius],
+									cursor: draw.cursors.pointer,
+									func: path.drag,
+									obj: obj,
+									path3d: path3d,
+									vars: vars
+								});
+							}
+						}
+					}
+				}
+			}
+		}
+		return pos;
+	},
+	getControlPanel: function (obj) {
+		var elements = [{
+				name: 'Style',
+				type: 'style'
+			}, {
+				name: 'opacity',
+				bold: false,
+				fontSize: 18,
+				margin: 0.1,
+				type: 'slider',
+				value: 'alpha',
+				min: 0,
+				max: 1,
+				step: 0.01
+			}, {
+				name: 'contrast',
+				bold: false,
+				fontSize: 18,
+				margin: 0.1,
+				type: 'slider',
+				value: 'contrast',
+				min: 0,
+				max: 1,
+				step: 0.01
+			}, {
+				name: 'View',
+				type: 'multiSelect',
+				get: draw.three.getView,
+				set: draw.three.setView,
+				options: [['isometric', 'plan'], ['front', 'side']]
+			}, {
+				name: 'grid',
+				bold: false,
+				fontSize: 18,
+				margin: 0.2,
+				type: 'toggle',
+				set: draw.three.toggleGrid,
+				get: draw.three.checkPathForGrid
+			}, {
+				name: 'dots',
+				bold: false,
+				fontSize: 18,
+				margin: 0.2,
+				type: 'toggle',
+				set: draw.three.toggleDots,
+				get: draw.three.checkPathForDots
+			}, {
+				name: 'arrow',
+				bold: false,
+				fontSize: 18,
+				margin: 0.2,
+				type: 'toggle',
+				set: draw.three.toggleArrow,
+				get: draw.three.checkPathForArrow
+			}, {
+				name: 'directional colour',
+				bold: false,
+				fontSize: 18,
+				margin: 0.2,
+				type: 'toggle',
+				set: draw.three.toggleDirectionalColors,
+				get: draw.three.getDirectionalColors
+			}, {
+				name: 'face grid',
+				bold: false,
+				fontSize: 18,
+				margin: 0.2,
+				type: 'toggle',
+				set: draw.three.toggleFaceGrid,
+				get: draw.three.getFaceGrid
+			}, {
+				name: 'Shape',
+				type: 'multiSelect',
+				get: draw.three.getShape,
+				set: draw.three.setShape,
+				options: [['cuboid', 'prism'], ['pyramid', 'cylinder'], ['cone', 'frustum'], ['sphere']]
+			},
+		];
+		if (draw.three.checkPathForType(obj, 'pyramid') || draw.three.checkPathForType(obj, 'prism')) {
+			elements.push({
+				name: 'base vertices',
+				bold: false,
+				fontSize: 18,
+				margin: 0.05,
+				type: 'increment',
+				increment: draw.three.verticesChange,
+				min: 3,
+				max: 20
+			})
+		}
+		elements.push({
+			name: 'snap to grid',
+			bold: false,
+			fontSize: 18,
+			margin: 0.2,
+			type: 'toggle',
+			set: draw.three.toggleSnap,
+			get: draw.three.getSnap
+		});
+		if (draw.three.checkPathForType(obj, 'cubeNet')) {
+			elements.push({
+				name: 'fold',
+				bold: false,
+				fontSize: 18,
+				margin: 0.1,
+				type: 'slider',
+				min: 0,
+				max: 1,
+				step: 0.01,
+				get: draw.three.properties.netOpen.get,
+				set: draw.three.properties.netOpen.set
+			});
+		}
+		return {
+			obj: obj,
+			elements: elements
+		};
+	},
+	getRect: function (obj) {
+		//var x = obj.gridSize;//*Math.sqrt(2);
+		//return [obj.center[0]-x,obj.center[1]-x,x*2,x*2];
+		var xMin,
+		xMax,
+		yMin,
+		yMax;
+		for (var p = 0; p < obj.paths3d.length; p++) {
+			var path3d = obj.paths3d[p];
+			if (un(path3d._faces))
+				continue;
+			for (var f = 0; f < path3d._faces.length; f++) {
+				var face = path3d._faces[f];
+				if (un(face.pos3d))
+					continue;
+				for (var a = 0; a < face.pos3d.length; a++) {
+					var pos = draw.three.convert3dPosTo2d(obj, face.pos3d[a]);
+					xMin = (un(xMin)) ? pos[0] : Math.min(xMin, pos[0]);
+					xMax = (un(xMax)) ? pos[0] : Math.max(xMax, pos[0]);
+					yMin = (un(yMin)) ? pos[1] : Math.min(yMin, pos[1]);
+					yMax = (un(yMax)) ? pos[1] : Math.max(yMax, pos[1]);
+				}
+			}
+		}
+		return [xMin, yMin, xMax - xMin, yMax - yMin];
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.center[0] += dl;
+		obj.center[1] += dt;
+		if (Math.abs(dw) < 0.0001 && Math.abs(dh) < 0.0001)
+			return;
+		if (Math.abs(dw) > Math.abs(dh)) {
+			draw.three.scale(obj, Math.abs((obj.gridStep + dw) / obj.gridStep));
+		} else {
+			draw.three.scale(obj, Math.abs((obj.gridStep + dh) / obj.gridStep));
+		}
+	},
+	getSnapPos: function (obj) {
+		var vertices = [];
+		var edges = [];
+
+		for (var p = 0; p < obj.paths3d.length; p++) {
+			var path3d = obj.paths3d[p];
+			if (['grid', 'dotGrid', 'arrow'].includes(path3d.type))
+				continue;
+			if (un(path3d._faces))
+				continue;
+			for (var f = 0; f < path3d._faces.length; f++) {
+				var face = path3d._faces[f];
+				if (un(face.pos2d))
+					continue;
+				for (var a = 0; a < face.pos2d.length; a++) {
+					vertices.push({
+						type: 'point',
+						pos: face.pos2d[a]
+					});
+					edges.push({
+						type: 'line',
+						pos1: face.pos2d[a],
+						pos2: face.pos2d[(a + 1) % face.pos2d.length]
+					});
+				}
+			}
+		}
+		return vertices.concat(edges);
+	},
+
+	properties: {
+		dotGrid: {
+			type: 'boolean',
+			get: function (obj) {
+				for (var p = 0; p < obj.paths3d.length; p++)
+					if (obj.paths3d[p].type == 'dotGrid')
+						return true;
+				return false;
+			},
+			set: function (obj, value) {
+				if (value == false) {
+					for (var p = 0; p < obj.paths3d.length; p++) {
+						if (obj.paths3d[p].type == 'dotGrid') {
+							obj.paths3d.splice(p, 1);
+							break;
+						}
+					}
+				} else {
+					for (var p = 0; p < obj.paths3d.length; p++) {
+						if (obj.paths3d[p].type == 'grid') {
+							obj.paths3d.splice(p, 1);
+							break;
+						}
+					}
+					obj.paths3d.unshift(draw.three.path3d.dotGrid.get());
+				}
+			}
+		},
+		grid: {
+			type: 'boolean',
+			get: function (obj) {
+				for (var p = 0; p < obj.paths3d.length; p++)
+					if (obj.paths3d[p].type == 'grid')
+						return true;
+				return false;
+			},
+			set: function (obj, value) {
+				if (value == false) {
+					for (var p = 0; p < obj.paths3d.length; p++) {
+						if (obj.paths3d[p].type == 'grid') {
+							obj.paths3d.splice(p, 1);
+							break;
+						}
+					}
+				} else {
+					for (var p = 0; p < obj.paths3d.length; p++) {
+						if (obj.paths3d[p].type == 'dotGrid') {
+							obj.paths3d.splice(p, 1);
+							break;
+						}
+					}
+					obj.paths3d.unshift(draw.three.path3d.grid.get());
+				}
+			}
+		},
+		arrow: {
+			type: 'boolean',
+			get: function (obj) {
+				for (var p = 0; p < obj.paths3d.length; p++)
+					if (obj.paths3d[p].type == 'arrow')
+						return true;
+				return false;
+			},
+			set: function (obj, value) {
+				if (value == false) {
+					for (var p = 0; p < obj.paths3d.length; p++) {
+						if (obj.paths3d[p].type == 'arrow') {
+							obj.paths3d.splice(p, 1);
+							break;
+						}
+					}
+				} else {
+					obj.paths3d.unshift(draw.three.paths3d.arrow.get());
+				}
+			}
+		},
+		directionalColors: {
+			type: 'boolean',
+			get: function (obj) {
+				return boolean(obj.directionalColors, false);
+			},
+			set: function (obj, value) {
+				obj.directionalColors = value;
+			}
+		},
+		snap: {
+			type: 'boolean',
+			get: function (obj) {
+				if (obj.snapTo > 1)
+					return true;
+				return false;
+			},
+			set: function (obj) {
+				if (value == false) {
+					obj.snapTo = 0.001;
+				} else {
+					obj.snapTo = obj.gridStep;
+				}
+			}
+		},
+		shape: {
+			type: ['cuboid', 'prism', 'pyramid', 'cylinder', 'cone', 'frustum', 'sphere'],
+			get: function (obj) {
+				for (var p = 0; p < obj.paths3d.length; p++) {
+					if (['grid', 'dotGrid', 'arrow'].includes(obj.paths3d[p].type) == false) {
+						return obj.paths3d[p].type;
+					}
+				}
+				return 'none';
+			},
+			set: function (obj, value) {
+				for (var p = 0; p < obj.paths3d.length; p++)
+					if (obj.paths3d[p].type == value)
+						return;
+
+				for (p = obj.paths3d.length - 1; p >= 0; p--) {
+					var path3d = obj.paths3d[p];
+					if (['grid', 'arrow', 'dotGrid'].includes(path3d.type))
+						continue;
+					obj.paths3d.splice(p, 1);
+				}
+
+				obj.paths3d.push(draw.three.path3d[type].get());
+			},
+			cycle: function (obj) {
+				var current = this.get(obj);
+				var index = this.type.indexOf(current);
+				var next = this.type[(index + 1) % this.type.length];
+				this.set(obj, next);
+			}
+		},
+
+		view: {
+			type: ['isometric', 'plan', 'front', 'side', 'none'],
+			get: function (obj) {},
+			set: function (obj, value) {},
+			cycle: function (obj) {}
+		},
+		alpha: {
+			type: 'number',
+			min: 0,
+			max: 1,
+			get: function (obj) {},
+			increment: function (obj, inc) {},
+			set: function (obj, value) {}
+		},
+		contrast: {
+			type: 'number',
+			min: 0,
+			max: 1,
+			get: function (obj) {},
+			increment: function (obj, inc) {},
+			set: function (obj, value) {}
+		},
+		vertices: {
+			type: 'number',
+			min: 3,
+			max: 20,
+			get: function (obj) {},
+			increment: function (obj, inc) {},
+			set: function (obj, value) {}
+		},
+		netOpen: {
+			type: 'number',
+			min: 0,
+			max: 1,
+			get: function (obj) {
+				for (var p = 0; p < obj.paths3d.length; p++) {
+					var path3d = obj.paths3d[p];
+					if (!un(path3d.open))
+						return path3d.open;
+				}
+			},
+			increment: function (obj, inc) {
+				for (var p = 0; p < obj.paths3d.length; p++) {
+					var path3d = obj.paths3d[p];
+					if (!un(path3d.open))
+						path3d.open += inc;
+				}
+			},
+			set: function (obj, value) {
+				for (var p = 0; p < obj.paths3d.length; p++) {
+					var path3d = obj.paths3d[p];
+					if (!un(path3d.open))
+						path3d.open = value;
+				}
+			}
+		},
+
+		lineWidth: {
+			type: 'number',
+			min: 1,
+			max: 5,
+			inc: 1,
+			get: function (obj) {},
+			increment: function (obj, inc) {},
+			set: function (obj, value) {}
+		},
+		lineDash: {
+			type: 'number',
+			min: 0,
+			max: 20,
+			inc: 5,
+			get: function (obj) {},
+			increment: function (obj, inc) {},
+			set: function (obj, value) {}
+		},
+		lineColor: {
+			type: 'color',
+			get: function (obj) {},
+			set: function (obj, value) {}
+		},
+		fillColor: {
+			type: 'color',
+			get: function (obj) {},
+			set: function (obj, value) {}
+		},
+	},
+	checkPathForType: function (obj, type) {
+		for (var p = 0; p < obj.paths3d.length; p++)
+			if (obj.paths3d[p].type == type)
+				return true;
+		return false;
+	},
+
+	setPath3d: function () {
+		var obj = draw.path[draw.currCursor.pathNum].obj[0];
+		var path = draw.currCursor.path3d;
+		if (draw.three.checkPathForType(obj, path.type))
+			return;
+		var toDelete = [];
+		for (p = obj.paths3d.length - 1; p >= 0; p--) {
+			var path3d = obj.paths3d[p];
+			if (['grid', 'arrow'].includes(path3d.type))
+				continue;
+			obj.paths3d.splice(p, 1);
+		}
+		obj.paths3d.push(clone(path));
+		drawCanvasPaths();
+	},
+	toggleDots: function (obj) {
+		if (draw.three.checkPathForDots(obj) == true) {
+			for (var p = 0; p < obj.paths3d.length; p++) {
+				if (obj.paths3d[p].type == 'dotGrid') {
+					obj.paths3d.splice(p, 1);
+					break;
+				}
+			}
+		} else {
+			for (var p = 0; p < obj.paths3d.length; p++) {
+				if (obj.paths3d[p].type == 'grid') {
+					obj.paths3d.splice(p, 1);
+					break;
+				}
+			}
+			obj.paths3d.unshift({
+				type: 'dotGrid',
+				squares: 8,
+				size: obj.gridStep,
+				direction: [0, 0, 1],
+				strokeStyle: '#999',
+				fillStyle: '#999',
+				alpha: 1
+			});
+		}
+		drawCanvasPaths();
+	},
+	toggleArrow: function (obj) {
+		if (draw.three.checkPathForArrow(obj) == true) {
+			for (var p = 0; p < obj.paths3d.length; p++) {
+				if (obj.paths3d[p].type == 'arrow') {
+					obj.paths3d.splice(p, 1);
+					break;
+				}
+			}
+		} else {
+			obj.paths3d.unshift({
+				type: 'arrow',
+				pos: [[350, 0, 0], [250, 0, 0]],
+				fill: true,
+				color: '#000'
+			});
+		}
+		drawCanvasPaths();
+	},
+	toggleGrid: function (obj, dir) {
+		if (un(dir))
+			dir = [0, 0, 1];
+		if (draw.three.checkPathForGrid(obj, dir) == true) {
+			for (var p = 0; p < obj.paths3d.length; p++) {
+				if (obj.paths3d[p].type == 'grid' && arraysEqual(dir, obj.paths3d[p].direction)) {
+					obj.paths3d.splice(p, 1);
+					break;
+				}
+			}
+		} else {
+			for (var p = 0; p < obj.paths3d.length; p++) {
+				if (obj.paths3d[p].type == 'dotGrid') {
+					obj.paths3d.splice(p, 1);
+					break;
+				}
+			}
+			obj.paths3d.unshift({
+				type: 'grid',
+				squares: 8,
+				size: obj.gridStep,
+				direction: clone(dir),
+				color: '#CCC',
+				alpha: 1
+			});
+		}
+		drawCanvasPaths();
+	},
+	toggleSnap: function (obj) {
+		if (draw.three.getSnap(obj) == true) {
+			obj.snapTo = 0.001;
+		} else {
+			obj.snapTo = obj.gridStep;
+		}
+		draw.updateSelectedBorders();
+		drawCanvasPaths();
+	},
+	toggleDirectionalColors: function (obj) {
+		obj.directionalColors = !draw.three.getDirectionalColors(obj);
+		drawCanvasPaths();
+	},
+	toggleFaceGrid: function (obj, faceGrid) {
+		obj.faceGrid = !obj.faceGrid;
+		drawCanvasPaths();
+	},
+	setLineWidth: function (obj, lineWidth) {
+		obj.lineWidth = lineWidth;
+	},
+	setLineColor: function (obj, strokeStyle) {
+		obj.strokeStyle = strokeStyle;
+	},
+	setFillColor: function (obj, fillStyle) {
+		obj.fillStyle = fillStyle;
+	},
+	setLineDash: function (obj, dash) {
+		obj.dash = dash;
+	},
+	setShape: function (obj, type) {
+		if (draw.three.checkPathForType(obj, type))
+			return;
+		var toDelete = [];
+		for (p = obj.paths3d.length - 1; p >= 0; p--) {
+			var path3d = obj.paths3d[p];
+			if (['grid', 'arrow', 'dotGrid'].includes(path3d.type))
+				continue;
+			obj.paths3d.splice(p, 1);
+		}
+		obj.paths3d.push(draw.three.path3d[type].get());
+	},
+	setView: function (obj, angle, tilt) {
+		if (angle == 'plan') {
+			angle = 1.5 * Math.PI;
+			tilt = 1;
+		} else if (angle == 'side') {
+			angle = 1 * Math.PI;
+			tilt = 0;
+		} else if (angle == 'front') {
+			angle = 1.5 * Math.PI;
+			tilt = 0;
+		} else if (angle == 'isometric') {
+			angle = 1.25 * Math.PI;
+			tilt = 0.5 / (7 / 8);
+		}
+		if (!un(angle))
+			obj.angle = angle;
+		if (!un(tilt))
+			obj.tilt = tilt;
+		drawCanvasPaths();
+	},
+
+	checkPathForDots: function (obj) {
+		return draw.three.checkPathForType(obj, 'dotGrid');
+	},
+	checkPathForArrow: function (obj) {
+		return draw.three.checkPathForType(obj, 'arrow');
+	},
+	checkPathForGrid: function (obj, dir) {
+		if (un(dir))
+			dir = [0, 0, 1];
+		for (var p = 0; p < obj.paths3d.length; p++)
+			if (obj.paths3d[p].type == 'grid' && arraysEqual(dir, obj.paths3d[p].direction))
+				return true;
+		return false;
+	},
+	getSnap: function (obj) {
+		if (obj.snapTo > 1)
+			return true;
+		return false;
+	},
+	getDirectionalColors: function (obj) {
+		return boolean(obj.directionalColors, false);
+	},
+	getLineWidth: function (obj) {
+		return obj.lineWidth || 1;
+	},
+	getLineColor: function (obj) {
+		return obj.strokeStyle || '#000';
+	},
+	getFillColor: function (obj) {
+		return obj.fillStyle;
+	},
+	getLineDash: function (obj) {
+		return !un(obj.dash) ? obj.dash : [0, 0];
+	},
+	getShape: function (obj) {
+		for (var p = 0; p < obj.paths3d.length; p++) {
+			if (['grid', 'dotGrid', 'arrow'].includes(obj.paths3d[p].type) == false) {
+				return obj.paths3d[p].type;
+			}
+		}
+		return 'none';
+	},
+	getView: function (obj) {
+		if (obj.angle == 1.5 * Math.PI && obj.tilt == 1)
+			return 'plan';
+		if (obj.angle == 1 * Math.PI && obj.tilt == 0)
+			return 'side';
+		if (obj.angle == 1.5 * Math.PI && obj.tilt == 0)
+			return 'front';
+		if (obj.angle == 1.25 * Math.PI && obj.tilt == 0.5 / (7 / 8))
+			return 'isometric';
+		return 'none';
+	},
+	getFaceGrid: function (obj) {
+		return !un(obj.faceGrid) ? obj.faceGrid : [0, 0];
+	},
+
+	alphaChange: function (obj, num) {
+		obj.alpha = Math.min(1, Math.max(0, obj.alpha + num));
+		drawCanvasPaths();
+	},
+	contrastChange: function (obj, num) {
+		obj.contrast = Math.min(1, Math.max(0, obj.contrast + num));
+		drawCanvasPaths();
+	},
+	verticesChange: function (obj, num) {
+		for (var p = 0; p < obj.paths3d.length; p++) {
+			if (['prism', 'pyramid'].includes(obj.paths3d[p].type)) {
+				var path3d = obj.paths3d[p];
+				var vertices = path3d.polygon.length + num;
+				if (vertices < 3)
+					return;
+				var radius = 2 * obj.gridStep;
+				path3d.polygon = [];
+				var da = 2 * Math.PI / vertices;
+				var a = -da / 2;
+				for (var i = 0; i < vertices; i++) {
+					path3d.polygon.push([radius * Math.cos(a), radius * Math.sin(a)]);
+					a += da;
+				}
+				drawSelectedPaths();
+			}
+		}
+	},
+
+	// geometry functions
+	rotateShape: function (obj) {
+		if (un(obj))
+			obj = sel();
+		for (var p = 0; p < obj.paths3d.length; p++) {
+			if (['grid', 'dotGrid', 'arrow'].includes(obj.paths3d[p].type) == false) {
+				if (!un(draw.three.path3d[obj.paths3d[p].type].rotate)) {
+					draw.three.path3d[obj.paths3d[p].type].rotate(obj, obj.paths3d[p]);
+				}
+			}
+		}
+		drawCanvasPaths();
+	},
+	rotatePoint: function (pos, axis) { // 90 degrees
+		if (axis == 0 || axis == 'x') {
+			var matrix = [
+				[1, 0, 0],
+				[0, 0, -1],
+				[0, 1, 0]
+			];
+		} else if (axis == 1 || axis == 'y') {
+			var matrix = [
+				[0, 0, 1],
+				[0, 1, 0],
+				[-1, 0, 0]
+			];
+		} else if (axis == 2 || axis == 'z') {
+			var matrix = [
+				[0, -1, 0],
+				[1, 0, 0],
+				[0, 0, 1]
+			];
+		}
+		pos = [
+			matrix[0][0] * pos[0] + matrix[0][1] * pos[1] + matrix[0][2] * pos[2],
+			matrix[1][0] * pos[0] + matrix[1][1] * pos[1] + matrix[1][2] * pos[2],
+			matrix[2][0] * pos[0] + matrix[2][1] * pos[1] + matrix[2][2] * pos[2],
+		];
+		return pos;
+	},
+	rotatePoint2: function (pos, axis, angle) {
+		if (axis == 0 || axis == 'x') {
+			var matrix = [
+				[1, 0, 0],
+				[0, Math.cos(angle), -Math.sin(angle)],
+				[0, Math.sin(angle), Math.cos(angle)]
+			];
+		} else if (axis == 1 || axis == 'y') {
+			var matrix = [
+				[Math.cos(angle), 0, Math.sin(angle)],
+				[0, 1, 0],
+				[-Math.sin(angle), 0, Math.cos(angle)]
+			];
+		} else if (axis == 2 || axis == 'z') {
+			var matrix = [
+				[Math.cos(angle), -Math.sin(angle), 0],
+				[Math.sin(angle), Math.cos(angle), 0],
+				[0, 0, 1]
+			];
+		}
+		pos = [
+			matrix[0][0] * pos[0] + matrix[0][1] * pos[1] + matrix[0][2] * pos[2],
+			matrix[1][0] * pos[0] + matrix[1][1] * pos[1] + matrix[1][2] * pos[2],
+			matrix[2][0] * pos[0] + matrix[2][1] * pos[1] + matrix[2][2] * pos[2],
+		];
+		return pos;
+	},
+	rotatePointAboutLine: function (pos, linePos1, linePos2, angle) {
+		var c = Math.cos(angle);
+		var s = Math.sin(angle);
+		var c2 = 1 - c;
+		var dir = draw.three.getNormalisedVector([linePos2[0] - linePos1[0], linePos2[1] - linePos1[1], linePos2[2] - linePos1[2]]);
+		var x = dir[0];
+		var y = dir[1];
+		var z = dir[2];
+
+		var matrix = [
+			[x * x * c2 + c, x * y * c2 - z * s, x * z * c2 + y * s],
+			[y * x * c2 + z * s, y * y * c2 + c, y * z * c2 - x * s],
+			[z * x * c2 - y * s, z * y * c2 + x * s, z * z * c2 + c]
+		];
+
+		pos = [
+			matrix[0][0] * pos[0] + matrix[0][1] * pos[1] + matrix[0][2] * pos[2],
+			matrix[1][0] * pos[0] + matrix[1][1] * pos[1] + matrix[1][2] * pos[2],
+			matrix[2][0] * pos[0] + matrix[2][1] * pos[1] + matrix[2][2] * pos[2],
+		];
+		return pos;
+	},
+	convert3dPosTo2d: function (obj, pos) {
+		var x = pos[0],
+		y = pos[1],
+		h = pos[2];
+		var r = Math.sqrt(x * x + y * y);
+		var pointAngle = Math.atan(y / x);
+		if (x < 0)
+			pointAngle += Math.PI;
+		if (x == 0 && y == 0)
+			pointAngle = 0;
+		if (x == 0 && y < 0)
+			pointAngle = 1.5 * Math.PI;
+		if (x == 0 && y > 0)
+			pointAngle = 0.5 * Math.PI;
+		var angle = draw.three.simplifyAngle(pointAngle - obj.angle);
+		var height = draw.three.convert3dHeightTo2d(obj, h);
+		return [obj.center[0] + r * Math.cos(angle), obj.center[1] + r * obj.tilt * Math.sin(angle) - height];
+	},
+	convert2dPosTo3d: function (obj, pos, h) {
+		if (un(h))
+			h = 0;
+		var unitVectors = [
+			[Math.cos(-obj.angle), Math.sin(-obj.angle)],
+			[Math.sin(obj.angle), Math.cos(-obj.angle)],
+		];
+		var pos2d = [
+			(pos[0] - obj.center[0]),
+			(pos[1] - obj.center[1] + h) / obj.tilt
+		];
+		var pos3d = [
+			(pos2d[0] * unitVectors[0][0] + pos2d[1] * unitVectors[0][1]),
+			(pos2d[0] * unitVectors[1][0] + pos2d[1] * unitVectors[1][1]),
+			h
+		];
+		//console.log(unitVectors,pos2d,pos3d);
+		return pos3d;
+	},
+	convert3dHeightTo2d: function (obj, h) {
+		if (h == 0)
+			return 0;
+		var sign = obj.tilt < 0 ? -1 : 1;
+		//return sign*h*(Math.acos(Math.abs(obj.tilt)));
+		return sign * h * (1 - Math.pow(Math.abs(obj.tilt), 3));
+	},
+	convert2dHeightTo3d: function (obj, h) {
+		if (h == 0)
+			return 0;
+		var sign = obj.tilt < 0 ? -1 : 1;
+		return sign * h / (1 - Math.pow(Math.abs(obj.tilt), 3));
+	},
+	getFaceNormal: function (face) {
+		var sumVector = [0, 0, 0];
+		for (var p = 0; p < face.pos3d.length; p++) {
+			var next = (p + 1) % face.pos3d.length;
+			var cross = draw.three.getCrossProduct(face.pos3d[p], face.pos3d[next]);
+			for (var i = 0; i < 3; i++)
+				sumVector[i] += cross[i];
+		}
+		return draw.three.getNormalisedVector(sumVector);
+		/*var pos = [face.pos3d[0]];
+		var tol = 0.000001;
+		for (var i = 1; i < face.pos3d.length; i++) {
+		var found = false;
+		for (var j = 0; j < pos.length; j++) {
+		if (Math.abs(face.pos3d[i][0]-pos[j][0]) < tol && Math.abs(face.pos3d[i][1]-pos[j][1]) < tol && Math.abs(face.pos3d[i][2]-pos[j][2]) < tol) {
+		found = true;
+		break;
+		}
+		}
+		if (found == false) {
+		pos.push(face.pos3d[i]);
+		if (pos.length == 3) break;
+		}
+		}
+		if (pos.length < 3) return [0,0,-1];
+		return draw.three.getNormalToPlaneFromThreePoints(pos[0],pos[1],pos[2]);*/
+	},
+	getNormalToPlaneFromThreePoints: function (a, b, c) {
+		var u = [b[0] - a[0], b[1] - a[1], b[2] - a[2]];
+		var v = [c[0] - a[0], c[1] - a[1], c[2] - a[2]];
+		var nx = u[1] * v[2] - u[2] * v[1];
+		var ny = u[2] * v[0] - u[0] * v[2];
+		var nz = u[0] * v[1] - u[1] * v[0];
+		return [nx, ny, nz];
+	},
+	getCrossProduct: function (a, b) {
+		return [
+			a[1] * b[2] - a[2] * b[1],
+			a[2] * b[0] - a[0] * b[2],
+			a[0] * b[1] - a[1] * b[0]
+		];
+	},
+	getVectorMagnitude: function (a) {
+		return Math.sqrt(a[0] * a[0] + a[1] * a[1] + a[2] * a[2]);
+	},
+	getNormalisedVector: function (a) {
+		var mag = draw.three.getVectorMagnitude(a)
+			return [a[0] / mag, a[1] / mag, a[2] / mag];
+	},
+	drawNormalToFace: function (ctx, obj, face) {
+		var meanPoint = draw.three.getMeanPoint(face.pos3d);
+		var normalMag = Math.sqrt(Math.pow(face.normal[0], 2) + Math.pow(face.normal[1], 2) + Math.pow(face.normal[2], 2));
+		face.normal = [face.normal[0] / normalMag, face.normal[1] / normalMag, face.normal[2] / normalMag];
+		var normalPoint = [meanPoint[0] + 20 * face.normal[0], meanPoint[1] + 20 * face.normal[1], meanPoint[2] + 20 * face.normal[2]];
+		var pos1 = draw.three.convert3dPosTo2d(obj, meanPoint);
+		var pos2 = draw.three.convert3dPosTo2d(obj, normalPoint);
+
+		ctx.save();
+		ctx.strokeStyle = '#F00';
+		ctx.lineWidth = 1;
+		ctx.beginPath();
+		ctx.moveTo(pos1[0], pos1[1]);
+		ctx.lineTo(pos2[0], pos2[1]);
+		ctx.stroke();
+		ctx.restore();
+	},
+	getMeanPoint: function (polygon) {
+		var total = [0, 0, 0];
+		for (var i = 0; i < polygon.length; i++) {
+			total[0] += polygon[i][0];
+			total[1] += polygon[i][1];
+			total[2] += polygon[i][2];
+		}
+		return [total[0] / polygon.length, total[1] / polygon.length, total[2] / polygon.length];
+	},
+	getDistanceTwoPoints: function (p1, p2) {
+		return Math.sqrt(Math.pow(p1[0] - p2[0], 2) + Math.pow(p1[1] - p2[1], 2) + Math.pow(p1[2] - p2[2], 2));
+	},
+	getRelAngle: function (angle) { // gets angle relative to back (ie. 1.5*Math.PI)
+		if (angle < 0.5 * Math.PI)
+			return angle + 0.5 * Math.PI;
+		return angle - 1.5 * Math.PI;
+	},
+	getAngleBetweenTwo3dVectors: function (v1, v2) {
+		var dot = v1[0] * v2[0] + v1[1] * v2[1] + v1[2] * v2[2];
+		var mag1 = Math.sqrt(v1[0] * v1[0] + v1[1] * v1[1] + v1[2] * v1[2]);
+		var mag2 = Math.sqrt(v2[0] * v2[0] + v2[1] * v2[1] + v2[2] * v2[2]);
+		return Math.acos(dot / (mag1 * mag2));
+	},
+	simplifyAngle: function (angle) {
+		while (angle < 0)
+			angle += 2 * Math.PI;
+		while (angle > 2 * Math.PI)
+			angle -= 2 * Math.PI;
+		return angle;
+	},
+	getColor: function (color, brightness, alpha) { // brightness is a value from 0 to 1
+		if (color == 'none')
+			return 'none';
+		var c = hexToRgb(color);
+		if (un(alpha))
+			alpha = 1;
+		return 'rgba(' + Math.round(c.r * brightness) + ',' + Math.round(c.g * brightness) + ',' + Math.round(c.b * brightness) + ',' + alpha + ')';
+	},
+
+	pointDragStart: function (e) {
+		draw.animate(draw.three.pointDragMove,draw.three.pointDragStop,drawCanvasPaths);
+		//addListenerMove(window, draw.three.pointDragMove);
+		//addListenerEnd(window, draw.three.pointDragStop);
+		draw.drag = {
+			obj: draw.currCursor.obj,
+			path3d: draw.currCursor.path3d,
+			vars: draw.currCursor.vars
+		};
+		//console.log(draw.drag);
+		draw.cursorCanvas.style.cursor = draw.currCursor.cursor;
+	},
+	pointDragMove: function (e) {
+		updateMouse(e);
+		var path3d = draw.drag.path3d;
+		if (typeof draw.three.path3d[path3d.type].pointDragMove == 'function') {
+			draw.three.path3d[path3d.type].pointDragMove(draw.drag.obj, path3d, draw.drag.vars);
+			//drawCanvasPaths();
+		}
+	},
+	pointDragStop: function (e) {
+		delete draw.drag;
+		draw.updateSelectedBorders();
+		calcCursorPositions();
+		//removeListenerMove(window, draw.three.pointDragMove);
+		//removeListenerEnd(window, draw.three.pointDragStop);
+	},
+	snapPos: function (obj, value, direction) {
+		var snapTo = obj.snapTo || obj.gridStep || 60;
+		if (!un(obj.gridBounds)) {
+			return bound(value, obj.gridBounds[direction][0] * obj.gridStep, obj.gridBounds[direction][1] * obj.gridStep, snapTo);
+		} else {
+			if (direction < 2) {
+				return Math.max(-obj.gridSize, Math.min(obj.gridSize, roundToNearest(value, snapTo)));
+			} else {
+				return Math.max(0, Math.min(2 * obj.gridSize, roundToNearest(value, snapTo)));
+			}
+		}
+	},
+
+	drag3dStart: function (e) {
+		updateMouse(e);
+		draw.animate(draw.three.drag3dMove,draw.three.drag3dStop,drawSelectedPaths);
+		//addListenerMove(window, draw.three.drag3dMove);
+		//addListenerEnd(window, draw.three.drag3dStop);
+		draw.drag = {
+			obj: draw.currCursor.obj,
+			mouse: draw.mouse
+		};
+		draw.cursorCanvas.style.cursor = draw.cursors.move2;
+		if (draw.mode == 'interact') {
+			draw.drag.obj._path._interacting = true;
+			drawCanvasPaths();
+		}
+	},
+	drag3dMove: function (e) {
+		updateMouse(e);
+		var obj = draw.drag.obj;
+		var dx = draw.mouse[0] - draw.drag.mouse[0];
+		var dy = draw.mouse[1] - draw.drag.mouse[1];
+		var tiltMin = def([obj.tiltMin, 0]);
+		var tiltMax = def([obj.tiltMax, 1]);
+		obj.tilt = Math.min(tiltMax, Math.max(tiltMin, obj.tilt + dy * 0.005));
+		var angleMin = def([obj.angleMin, -7]);
+		var angleMax = def([obj.angleMax, 7]);
+		obj.angle = Math.min(angleMax, Math.max(angleMin, obj.angle + dx * 0.01));
+		while (obj.angle < 0)
+			obj.angle += 2 * Math.PI;
+		while (obj.angle > 2 * Math.PI)
+			obj.angle -= 2 * Math.PI;
+		draw.drag.mouse = draw.mouse;
+		//drawSelectedPaths();
+	},
+	drag3dStop: function (e) {
+		draw.updateSelectedBorders();
+		calcCursorPositions();
+		//removeListenerMove(window, draw.three.drag3dMove);
+		//removeListenerEnd(window, draw.three.drag3dStop);
+		draw.cursorCanvas.style.cursor = draw.cursors.move1;
+		if (draw.mode == 'interact') {
+			delete draw.drag.obj._path._interacting;
+			drawCanvasPaths();
+		}
+		delete draw.drag;
+	},
+
+	drawButton: function (ctx, size, type) {
+		text({
+			ctx: ctx,
+			align: [0, 0],
+			rect: [0, 0, size, size],
+			text: ['<<fontSize:' + (size / 2) + '>>3d']
+		});
+	}
+};
+draw.text2 = {
+	addBox: function (obj) {
+		if (un(obj.box))
+			obj.box = {
+				type: 'loose',
+				borderColor: '#000',
+				borderWidth: 3,
+				radius: 0,
+				color: 'none'
+			}
+		obj.box.type = 'loose';
+	},
+	getRect: function (obj) {
+		var rect = clone(obj.rect);
+		if (!un(obj.box) && obj.box.type == 'flowArrow') {
+			rect[2] += obj.box.arrowWidth / 2 || 20;
+			if (obj.box.dir == 'left')
+				rect[0] -= obj.box.arrowWidth / 2 || 20;
+		}
+		return rect;
+	},
+	getCursorPositionsSelected: function (obj, pathNum) {
+		return [{
+				shape: 'rect',
+				dims: clone(obj._tightRect),
+				cursor: draw.cursors.text,
+				func: textEdit.selectStart,
+				obj: obj,
+				pathNum: pathNum,
+				highlight: -1
+			}
+		];
+	},
+	getButtons: function (x1, y1, x2, y2, pathNum) {
+		var buttons = [];
+		buttons.push({
+			buttonType: 'text-horizResizeCollapse',
+			shape: 'rect',
+			dims: [x2 - 20, y2 - 40, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.text2.horizResizeCollapse,
+			pathNum: pathNum
+		});
+		buttons.push({
+			buttonType: 'text-horizResize',
+			shape: 'rect',
+			dims: [x2 - 20, y2 - 60, 20, 20],
+			cursor: draw.cursors.ew,
+			func: draw.text2.horizResize,
+			pathNum: pathNum
+		});
+
+		buttons.push({
+			buttonType: 'text2-underline',
+			shape: 'rect',
+			dims: [x1, y2 - 60, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.text2.setUnderline,
+			pathNum: pathNum
+		});
+		buttons.push({
+			buttonType: 'text2-fracScale',
+			shape: 'rect',
+			dims: [x1, y2 - 80, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.text2.setFracScale,
+			pathNum: pathNum
+		});
+		buttons.push({
+			buttonType: 'text2-algPadding',
+			shape: 'rect',
+			dims: [x1, y2 - 100, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.text2.setAlgPadding,
+			pathNum: pathNum
+		});
+
+		var path = draw.path[pathNum];
+		if (!un(path) && path.obj.length == 1 && !un(path.isInput) && path.isInput.type == 'text') {
+
+			var obj = path.obj[0];
+			if (un(obj.ans))
+				obj.ans = [];
+			/*buttons.push({buttonType:'text-input-prevAns',shape:'rect',dims:[x1+20,y2-20,20,20],cursor:draw.cursors.pointer,func:draw.text2.textInput.ansPrev,pathNum:pathNum});
+			buttons.push({buttonType:'text-input-ansInfo',shape:'rect',dims:[x1+40,y2-20,30,20],cursor:draw.cursors.default,func:function() {},pathNum:pathNum,text:String(obj.ansIndex+1)+'/'+String(Math.max(obj.ansIndex+1,obj.ans.length))});
+			buttons.push({buttonType:'text-input-nextAns',shape:'rect',dims:[x1+70,y2-20,20,20],cursor:draw.cursors.pointer,func:draw.text2.textInput.ansNext,pathNum:pathNum});
+			buttons.push({buttonType:'text-input-algText',shape:'rect',dims:[x2-40,y1,20,20],cursor:draw.cursors.pointer,func:draw.text2.textInput.algTextToggle,pathNum:pathNum,algText:obj.font == 'algebra'});
+			//buttons.push({buttonType:'text-input-tickStyle',shape:'rect',dims:[x2-40,y1,20,20],cursor:draw.cursors.pointer,func:draw.text2.textInput.setTickStyle,pathNum:pathNum});
+
+
+			buttons.push({buttonType:'qBox-marksMinus',shape:'rect',dims:[x2-90,y2-20,20,20],cursor:draw.cursors.pointer,func:draw.text2.textInput.marksMinus,pathNum:pathNum,draw: function(path,ctx,l,t,w,h) {
+			ctx.fillStyle = colorA('#F99',0.5);
+			ctx.fillRect(l,t,w,h);
+			text({ctx:ctx,align:[0,0],rect:[l,t,w,h],text:['<<fontSize:14>><<bold:true>>-']})
+			}});
+			buttons.push({buttonType:'qBox-marks',shape:'rect',dims:[x2-70,y2-20,30,20],cursor:draw.cursors.pointer,func:function() {},pathNum:pathNum,draw: function(path,ctx,l,t,w,h) {
+			var obj = path.obj[0];
+			var marks = un(obj.ans[obj.ansIndex]) ? 0 : obj.ans[obj.ansIndex].marks;
+			obj.maxMarks = 0;
+			for (var a = 0; a < obj.ans.length; a++) {
+			if (un(obj.ans[a].marks)) continue;
+			obj.maxMarks = Math.max(obj.maxMarks,obj.ans[a].marks);
+			}
+			text({ctx:ctx,align:[0,0],rect:[l,t,w,h],text:['<<fontSize:14>>'+marks+'/'+obj.maxMarks]})
+			}});
+			buttons.push({buttonType:'qBox-marksPlus',shape:'rect',dims:[x2-40,y2-20,20,20],cursor:draw.cursors.pointer,func:draw.text2.textInput.marksPlus,pathNum:pathNum,draw: function(path,ctx,l,t,w,h) {
+			ctx.fillStyle = colorA('#F99',0.5);
+			ctx.fillRect(l,t,w,h);
+			text({ctx:ctx,align:[0,0],rect:[l,t,w,h],text:['<<fontSize:14>><<bold:true>>+']})
+			}});*/
+
+		} else {
+			buttons.push({
+				buttonType: 'text-vertResizeCollapse',
+				shape: 'rect',
+				dims: [x2 - 40, y2 - 20, 20, 20],
+				cursor: draw.cursors.pointer,
+				func: draw.text2.vertResizeCollapse,
+				pathNum: pathNum
+			});
+			buttons.push({
+				buttonType: 'text2-fullWidth',
+				shape: 'rect',
+				dims: [x2 - 60, y2 - 20, 20, 20],
+				cursor: draw.cursors.pointer,
+				func: draw.text2.setFullWidth,
+				pathNum: pathNum
+			});
+		}
+
+		return buttons;
+	},
+
+	getCursorPositionsInteract: function (obj, path, pathNum) {
+		if (un(path.isInput) || path.isInput.type !== 'text' || path.isInput._disabled)
+			return [];
+
+		var buttons = [];
+		buttons.push({
+			shape: 'rect',
+			dims: clone(obj.rect),
+			cursor: draw.cursors.text,
+			func: draw.text2.textInput.interactStartTextInput,
+			obj: obj,
+			pathNum: pathNum,
+			highlight: -1
+		});
+		if (un(obj._check) && !arraysEqual(obj.text, [""])) {
+			if (!un(path.isInput.checkPos)) {
+				var l2 = path.isInput.checkPos[0] - 20;
+				var t2 = path.isInput.checkPos[1] - 20;
+			} else {
+				var l2 = obj.rect[0] + obj.rect[2] + 10;
+				var t2 = obj.rect[1] + 0.5 * obj.rect[3] - 20;
+			}
+			buttons.push({
+				shape: 'rect',
+				dims: [l2, t2, 40, 40],
+				cursor: draw.cursors.pointer,
+				func: draw.text2.textInput.check,
+				obj: obj,
+				pathNum: pathNum,
+				highlight: -1
+			});
+		}
+		return buttons;
+	},
+	textInput: {
+		interactStartTextInput: function () {
+			var pathIndex = draw.currCursor.pathNum;
+			var obj = draw.currCursor.obj;
+			delete obj._check;
+			deselectAllPaths();
+			textEdit.endInput();
+			obj._path._interacting = true;
+			obj.textEdit = true;
+			textEdit._type = 'textInput';
+			drawCanvasPaths();
+			textEdit.start(pathIndex, obj);
+			draw.keyboard.moveAwayFromTextInput();
+		},
+		ansPrev: function () {
+			var path = draw.path[draw.currCursor.pathNum];
+			var obj = path.obj[0];
+			var currText = removeTags(clone(obj.text));
+			if (obj.ansIndex == 0)
+				return;
+			if (un(obj.ans))
+				obj.ans = [];
+			if (un(obj.ans[obj.ansIndex]))
+				obj.ans[obj.ansIndex] = {
+					text: [''],
+					marks: 1
+				};
+			if (arraysEqual(removeTags(clone(currText)), [''])) {
+				obj.ans.splice(obj.ansIndex, 1);
+			} else {
+				obj.ans[obj.ansIndex].text = currText;
+			}
+			obj.ansIndex--;
+			if (obj.ans[obj.ansIndex]instanceof Array) {
+				obj.text = clone(obj.ans[obj.ansIndex].text);
+				obj.ans[obj.ansIndex] = {
+					text: obj.text,
+					marks: 1
+				};
+			} else if (!un(obj.ans[obj.ansIndex].text)) {
+				obj.text = clone(obj.ans[obj.ansIndex].text);
+			}
+			updateBorder(path);
+			drawCanvasPaths();
+		},
+		ansNext: function () {
+			var path = draw.path[draw.currCursor.pathNum];
+			var obj = path.obj[0];
+			var currText = clone(obj.text);
+			if (un(obj.ans))
+				obj.ans = [];
+			if (un(obj.ans[obj.ansIndex]))
+				obj.ans[obj.ansIndex] = {
+					text: [''],
+					marks: 1
+				};
+			if (arraysEqual(removeTags(clone(currText)), [''])) {
+				if (obj.ansIndex >= obj.ans.length - 1)
+					return;
+				obj.ans.splice(obj.ansIndex, 1);
+			} else {
+				obj.ans[obj.ansIndex].text = currText;
+			}
+			obj.ansIndex++;
+			if (obj.ansIndex == obj.ans.length) {
+				obj.text = [textArrayGetStartTags(clone(obj.text))];
+				obj.ans[obj.ansIndex] = {
+					text: obj.text,
+					marks: 1
+				};
+			} else {
+				if (obj.ans[obj.ansIndex]instanceof Array) {
+					obj.text = clone(obj.ans[obj.ansIndex].text);
+				} else if (!un(obj.ans[obj.ansIndex].text)) {
+					obj.text = clone(obj.ans[obj.ansIndex].text);
+				}
+			}
+			updateBorder(path);
+			drawCanvasPaths();
+		},
+		algTextToggle: function () {
+			var path = draw.path[draw.currCursor.pathNum];
+			var obj = path.obj[0];
+			if (obj.type !== 'text2')
+				return;
+			if (un(obj.font))
+				obj.font = 'Arial';
+			obj.font = obj.font == 'algebra' ? 'Arial' : 'algebra';
+			updateBorder(path);
+			drawCanvasPaths();
+		},
+		setTickStyle: function () {
+			var path = draw.path[draw.currCursor.pathNum];
+			if (path.isInput.tickStyle == 'small') {
+				delete path.isInput.tickStyle;
+			} else {
+				path.isInput.tickStyle = 'small';
+			}
+			updateBorder(path);
+			drawCanvasPaths();
+		},
+		/*numToggle:function() {
+		var path = draw.path[draw.currCursor.pathNum];
+		path.obj[0].isInput.num = !path.obj[0].isInput.num;
+		updateBorder(path);
+		drawCanvasPaths();
+		},
+		oeToggle:function() {
+		var path = draw.path[draw.currCursor.pathNum];
+		path.obj[0].isInput.oe = !path.obj[0].isInput.oe;
+		updateBorder(path);
+		drawCanvasPaths();
+		},*/
+		/*check: function(obj,answerData) {
+		if (un(obj) || obj.type !== 'text2') {
+		var obj = draw.path[draw.currCursor.pathNum].obj[0];
+		if (obj.type !== 'text2') return;
+		}
+		var ans = !un(answerData) ? answerData.text : textArrayToLowerCase(removeTags(clone(textArrayReplace(obj.text,' ',''))));
+
+		obj._check = false;
+		for (var a = 0; a < obj.ans.length; a++) {
+		var ans2 = obj.ans[a] instanceof Array ? obj.ans[a] : obj.ans[a].text;
+		ans2 = textArrayToLowerCase(removeTags(clone(textArrayReplace(ans2,' ',''))));
+		if (arraysEqual(ans,ans2)) {
+		obj._check = true;
+		break;
+		}
+		}
+		return obj._check;
+		},*/
+		/*uncheck: function(obj) {
+		delete obj._check;
+		drawCanvasPaths();
+		},*/
+		reset: function (obj) {
+			obj.text = [""];
+			delete obj._check;
+			drawCanvasPaths();
+		},
+		marksMinus: function () {
+			var path = draw.path[draw.currCursor.pathNum];
+			var obj = path.obj[0];
+			if (obj.type !== 'text2')
+				return;
+			var ans = obj.ans[obj.ansIndex];
+			if (un(ans.marks))
+				return;
+			ans.marks = Math.max(0, ans.marks - 1);
+			updateBorder(path);
+			drawCanvasPaths();
+		},
+		marksPlus: function () {
+			var path = draw.path[draw.currCursor.pathNum];
+			var obj = path.obj[0];
+			if (obj.type !== 'text2')
+				return;
+			var ans = obj.ans[obj.ansIndex];
+			ans.marks++;
+			updateBorder(path);
+			drawCanvasPaths();
+		}
+	},
+
+	properties: {
+		text: {
+			type: 'text',
+			get: function (obj) {
+				return clone(obj.text);
+			},
+			set: function (obj, value) {
+				if (typeof value == 'string')
+					value = [value];
+				draw.text2.extractStartTags(obj);
+				obj.text = clone(value);
+			}
+		},
+	},
+	getStartTags: function (obj) {
+		var tags = clone(defaultTags);
+
+		if (!un(obj.tags)) {
+			for (var key in obj.tags) {
+				tags[key] = clone(obj.tags[key]);
+			}
+		}
+		for (var key in tags) {
+			if (!un(obj[key])) {
+				tags[key] = clone(obj[key]);
+			}
+		}
+
+		if (!un(obj.text) && !un(obj.text[0])) {
+			var str = obj.text[0];
+			while (str.length > 2 && str.slice(0, 2) == '<<' && str.slice(0, 3) !== '<<<' && str.indexOf('>>') !== -1) {
+				var pos = str.indexOf('>>') + 2;
+				var tag = str.slice(0, pos);
+				var pos2 = tag.indexOf(':');
+				var key = tag.slice(2, pos2);
+				var value = tag.slice(pos2 + 1, -2);
+				if (key !== 'align') {
+					if (value == 'true') {
+						value = true;
+					} else if (value == 'false') {
+						value = false;
+					} else if (!isNaN(Number(value))) {
+						value = Number(value);
+					}
+					tags[key] = value;
+				}
+				str = str.slice(pos);
+			}
+		}
+		return tags;
+	},
+	extractStartTags: function (obj) {
+		if (!un(obj.tags)) {
+			for (var key in obj.tags) {
+				if (obj.tags[key] !== defaultTags[key])
+					obj[key] = obj.tags[key];
+			}
+			delete obj.tags;
+		}
+
+		if (un(obj.text) || un(obj.text[0]))
+			return;
+		while (obj.text[0].length > 2 && obj.text[0].slice(0, 2) == '<<' && obj.text[0].slice(0, 3) !== '<<<' && obj.text[0].indexOf('>>') !== -1) {
+			var pos = obj.text[0].indexOf('>>') + 2;
+			var tag = obj.text[0].slice(0, pos);
+
+			var pos2 = tag.indexOf(':');
+			var key = tag.slice(2, pos2);
+			var value = tag.slice(pos2 + 1, -2);
+			if (key == 'align') {
+				if (un(obj.align))
+					obj.align = [-1, def([obj.vertAlign, -1])];
+				obj.align[0] = value == 'center' ? 0 : value == 'right' ? 1 : -1;
+			} else if (value == 'true') {
+				obj[key] = true;
+			} else if (value == 'false') {
+				obj[key] = false;
+			} else if (!isNaN(Number(value))) {
+				obj[key] = Number(value);
+			} else {
+				obj[key] = value;
+			}
+			obj.text[0] = obj.text[0].slice(pos);
+		}
+	},
+
+	setFracScale: function (obj) {
+		if (un(obj)) {
+			var obj = draw.path[draw.currCursor.pathNum].obj[0];
+		}
+		if (obj.fracScale == 1) {
+			delete obj.fracScale;
+		} else {
+			obj.fracScale = 1;
+		}
+		drawCanvasPaths();
+	},
+	setUnderline: function (obj) {
+		if (un(obj)) {
+			var obj = draw.path[draw.currCursor.pathNum].obj[0];
+		}
+		if (obj.underline == true) {
+			delete obj.underline;
+		} else {
+			obj.underline = true;
+		}
+		drawCanvasPaths();
+	},
+	setAlgPadding: function () {
+		var path = draw.path[draw.currCursor.pathNum];
+		var obj = path.obj[0];
+		if (typeof obj.algPadding == 'undefined') {
+			obj.algPadding = 0;
+		} else if (obj.algPadding == 5) {
+			delete obj.algPadding;
+		} else {
+			obj.algPadding++;
+		}
+		drawCanvasPaths();
+	},
+	setLineWidth: function (obj, lineWidth) {
+		if (un(obj.box))
+			draw.text2.addBox(obj);
+		obj.box.borderWidth = lineWidth;
+	},
+	setLineColor: function (obj, color) {
+		if (un(obj.box)) {
+			draw.text2.addBox(obj);
+			obj.box.color = 'none';
+		}
+		obj.box.borderColor = color;
+		if (obj.box.borderColor == 'none' && obj.box.color == 'none')
+			delete obj.box;
+	},
+	setFillColor: function (obj, color) {
+		if (un(obj.box)) {
+			draw.text2.addBox(obj);
+			obj.box.borderColor = 'none';
+		}
+		obj.box.color = color;
+		if (obj.box.borderColor == 'none' && obj.box.color == 'none')
+			delete obj.box;
+	},
+	setRadius: function (obj, radius) {
+		if (un(obj.box))
+			draw.text2.addBox(obj);
+		obj.box.radius = radius;
+	},
+	getLineWidth: function (obj) {
+		return !un(obj.box) ? obj.box.borderWidth : 2;
+	},
+	getLineColor: function (obj) {
+		return !un(obj.box) ? obj.box.borderColor : '#000';
+	},
+	getFillColor: function (obj) {
+		return !un(obj.box) ? obj.box.color : 'none';
+	},
+	getRadius: function (obj) {
+		if (un(obj.box))
+			return 0;
+		if (un(obj.box.radius))
+			return 0;
+		if (!isNaN(Number(obj.box.radius)))
+			return Number(obj.box.radius);
+		return 0;
+	},
+	setFullWidth: function (obj) {
+		if (un(obj)) {
+			var obj = draw.path[draw.currCursor.pathNum].obj[0];
+		}
+		obj.rect[0] = draw.gridMargin[0];
+		obj.rect[2] = draw.drawArea[2] - (draw.gridMargin[0] + draw.gridMargin[2]);
+		drawCanvasPaths();
+	},
+	draw: function (ctx, obj, path) {
+		obj.text = simplifyText(obj.text);
+		if (typeof obj.color === 'string' && obj.color.length === 3) obj.color = '#'+obj.color;
+		var obj2 = clone(obj);
+		obj2.ctx = ctx;
+		/*if (!un(path.isInput) && path.isInput.type == 'text') {
+		var mode = path.isInput.mode || 'none';
+		if (mode == 'input') {
+		var backColors = path.isInput.backColors || {correct:'#CFC',wrong:'#FCC',unchecked:'#FFF'};
+		if (obj2._check === true) {
+		obj2.box.color = backColors.correct;
+		} else if (obj._check === false) {
+		obj2.box.color = backColors.wrong;
+		} else {
+		obj2.box.color = backColors.unchecked;
+		}
+		} else if (mode == 'inputShowAnswer') {
+		obj2.box.color = '#FFF';
+		obj2.color = '#F00';
+		if (!un(obj2.ansDisplay)) {
+		obj2.text = obj2.ansDisplay;
+		} else if (!un(obj2.ans)) {
+		if (obj2.ans[0] instanceof Array) {
+		obj2.text = obj2.ans[0];
+		} else {
+		obj2.text = obj2.ans[0].text;
+		}
+		}
+		} else if (mode == 'showAnswer' || (draw.triggerEnabled === true && draw.triggerNum === 1)) {
+		delete obj2.box;
+		obj2.color = '#F00';
+		if (!un(obj2.ansDisplay)) {
+		obj2.text = obj2.ansDisplay;
+		} else if (!un(obj2.ans)) {
+		if (obj2.ans[0] instanceof Array) {
+		obj2.text = obj2.ans[0];
+		} else {
+		obj2.text = obj2.ans[0].text;
+		}
+		}
+		} else if (draw.mode !== 'edit') {
+		return;
+		}
+		}*/
+		var measure = text(obj2);
+		obj._tightRect = measure.tightRect;
+		obj2._tightRect = measure.tightRect;
+		delete obj.tightRect;
+		delete obj2.tightRect;
+		if (!un(obj2.underline)) {
+			if (!un(measure.textLoc) && !un(measure.textLoc[0]) && measure.textLoc[0].length > 1) {
+				var loc = measure.textLoc[0];
+				var pos = [];
+				for (var i = 0; i < loc.length; i++) {
+					if (pos.length == 0) {
+						if (boolean(loc[i].markupTag, false) == true)
+							continue;
+						pos = [[loc[i].left, loc[i].top + loc[i].height], [loc[i].left + loc[i].width, loc[i].top + loc[i].height]];
+					} else {
+						if (boolean(loc[i].markupTag, false) == true)
+							break;
+						//if (Math.abs(loc[i].top + loc[i].height - pos[0][1]) > 0.1) break;
+						pos[1][0] = loc[i].left + loc[i].width;
+					}
+				}
+				if (pos.length !== 0) {
+					ctx.beginPath();
+					ctx.lineWidth = 3;
+					ctx.strokeStyle = '#000';
+					ctx.moveTo(pos[0][0], pos[0][1]);
+					ctx.lineTo(pos[1][0], pos[1][1]);
+					ctx.stroke();
+				}
+			}
+		}
+		if (obj2.textEdit == true) {
+			if ((un(path.isInput) || path.isInput.type !== 'text') && obj2.autoHeight !== false) {
+				obj.rect[3] = Math.max(obj2.rect[3], measure.tightRect[3]);
+			}
+			textEdit.cursorMap = textEdit.mapTextLocs(obj2, measure.textLoc, measure.softBreaks, measure.hardBreaks);
+			textEdit.tightRect = measure.tightRect;
+			textEdit.textLoc = measure.textLoc;
+			//textEdit.softBreaks = measure.softBreaks;
+			//textEdit.hardBreaks = measure.hardBreaks;
+			textEdit.lineRects = measure.lineRects;
+			textEdit.path = path;
+			textEdit.pathIndex = draw.path.indexOf(path);
+			delete textEdit.allMap;
+			textEdit.blinkReset();
+			if (!un(textEdit.menu)) textEdit.menu.update();
+		}
+		/*if (!un(path.isInput) && path.isInput.type == 'text' && path.isInput.mode == 'input') {
+		if (draw.mode == 'interact' && un(obj2._check) && !arraysEqual(obj2.text,[""])) {
+		if (!un(path.isInput.checkPos)) {
+		var l2 = path.isInput.checkPos[0]-20;
+		var t2 = path.isInput.checkPos[1]-20;
+		} else {
+		var l2 = obj2.rect[0]+obj2.rect[2]+10;
+		var t2 = obj2.rect[1]+0.5*obj2.rect[3]-20;
+		}
+		roundedRect(ctx, l2+3, t2+3, 40 - 6, 40 - 6, 3, 6, '#C93', '#FB8');
+		ctx.beginPath();
+		ctx.fillStyle = '#FFF';
+		drawStar({
+		ctx: ctx,
+		center: [l2+20,t2+20],
+		radius: 12,
+		points: 5
+		});
+		ctx.fill();
+		} else {
+		var markType = 'none';
+		if (path.isInput.tickStyle == 'small') {
+		var mult = 0.6;
+		var l2 = obj2.rect[0]+obj2.rect[2]-40*mult-3;
+		var t2 = obj2.rect[1]+obj2.rect[3]-50*mult-3;
+		} else {
+		var mult = 1;
+		var l2 = obj2.rect[0]+obj2.rect[2]+15;
+		var t2 = obj2.rect[1]+0.5*obj2.rect[3]-25;
+		}
+		if (draw.mode == 'edit') {
+		markType = 'tick';
+		var color = colorA('#060',0.5);
+		} else if (draw.mode == 'interact') {
+		if (obj2._check === true) {
+		markType = 'tick';
+		var color = '#060';
+		} else if (obj2._check === false) {
+		markType = 'cross';
+		var color = '#F00';
+		}
+		}
+		if (markType == 'tick') drawTick(ctx,40*mult,50*mult,color,l2,t2,7*mult);
+		if (markType == 'cross') drawCross(ctx,40*mult,50*mult,color,l2,t2,7*mult);
+		}
+		}*/
+		if (!un(path)) updateBorder(path);
+	},
+	convertToTable: function () {
+		var obj = sel();
+		var txt = obj.text;
+		var cells = text2split(txt, br);
+		var cols = 0;
+		for (var r = cells.length - 1; r >= 0; r--) {
+			cells[r] = text2split(cells[r], tab + tab + tab);
+			cols = Math.max(cols, cells[r].length);
+		}
+		var trigger = obj.trigger;
+		deletePaths();
+		draw.table2.add(cells.length, cols);
+
+		var table = draw.path.last().obj[0];
+		table.text.size = 28;
+		for (var r = 0; r < cells.length; r++) {
+			for (var c = 0; c < cells[r].length; c++) {
+				if (cells[r][c].length == 0)
+					cells[r][c] = [''];
+				while (cells[r][c][0].indexOf(tab) == 0)
+					cells[r][c][0] = cells[r][c][0].slice(1);
+				table.cells[r][c].text = cells[r][c];
+				table.cells[r][c].align = [-1, 0];
+				//table.cells[r][c].padding = 10;
+			}
+		}
+
+		repositionObj(table, obj.rect[0] - table.left, obj.rect[1] - table.top, 0, 0);
+		table.height = obj.rect[3];
+		for (var h = 0; h < table.heights.length; h++) {
+			table.heights[h] = table.height / table.heights.length;
+		}
+		table.innerBorder.show = false;
+		table.outerBorder.show = false;
+		draw.path.last().selected = true;
+		if (!un(trigger))
+			draw.path.last().trigger = trigger;
+		console.log(table);
+
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+
+		function text2split(obj, sep) {
+			var ret = [[]];
+			var obj = clone(obj);
+			for (var i = 0; i < obj.length; i++) {
+				if (typeof obj[i] !== 'string') {
+					ret.last().push(obj[i]);
+				} else {
+					while (obj[i].indexOf(sep) > -1) {
+						var sub = obj[i].slice(0, obj[i].indexOf(sep));
+						ret.last().push(sub);
+						ret.push([]);
+						obj[i] = obj[i].slice(obj[i].indexOf(sep) + sep.length);
+					}
+					if (obj[i].length > 0)
+						ret.last().push(obj[i]);
+				}
+			}
+			for (var i = ret.length - 1; i >= 0; i--) {
+				if (arraysEqual(ret[i], []) || arraysEqual(ret[i], [""]) || arraysEqual(ret[i], [tab]) || arraysEqual(ret[i], [tab + tab]))
+					ret.splice(i, 1);
+			}
+			if (arraysEqual(ret, []))
+				ret = [''];
+			return ret;
+		}
+	},
+	convertGroupToTable: function (rows, cols) {
+		var paths = selPaths();
+
+		//work out number of rows and cols
+		var tol = 30;
+		var x = [],
+		y = [],
+		w = [],
+		h = [];
+		var left = paths[0].obj[0].rect[0];
+		var top = paths[0].obj[0].rect[1];
+		for (var p = 0; p < paths.length; p++) {
+			var obj = paths[p].obj[0];
+			x.push(obj.rect[0] + 0.5 * obj.rect[2]);
+			y.push(obj.rect[1] + 0.5 * obj.rect[3]);
+			left = Math.min(left, obj.rect[0]);
+			top = Math.min(top, obj.rect[1]);
+		}
+		var r = [y[0]];
+		var c = [x[0]];
+		for (var i = 1; i < x.length; i++) {
+			var found = false;
+			for (var c2 = 0; c2 < c.length; c2++) {
+				if (Math.abs(x[i] - c[c2]) < tol)
+					found = true;
+			}
+			if (found == false)
+				c.push(x[i]);
+		}
+		for (var i = 1; i < y.length; i++) {
+			var found = false;
+			for (var r2 = 0; r2 < r.length; r2++) {
+				if (Math.abs(y[i] - r[r2]) < tol)
+					found = true;
+			}
+			if (found == false)
+				r.push(y[i]);
+		}
+		if (un(rows)) {
+			rows = r.length;
+			cols = c.length;
+		}
+
+		var cells = [];
+		var widths = [];
+		var heights = [];
+		for (var r = 0; r < rows; r++)
+			heights[r] = 50;
+		for (var c = 0; c < cols; c++)
+			widths[c] = 50;
+
+		for (var r = 0; r < rows; r++) {
+			cells[r] = [];
+			var rowWidths = [];
+			for (var c = 0; c < cols; c++) {
+				var obj = paths[0].obj[0];
+				cells[r][c] = {};
+				cells[r][c].text = obj.text;
+				cells[r][c].align = obj.align;
+				cells[r][c].box = obj.box;
+				widths[c] = Math.max(widths[c], obj.rect[2] + 10);
+				heights[r] = Math.max(heights[r], obj.rect[3] + 10);
+				paths.shift();
+			}
+		}
+		deletePaths();
+
+		draw.table2.add(rows, cols);
+		var table = draw.path.last().obj[0];
+		for (var r = 0; r < cells.length; r++) {
+			for (var c = 0; c < cells[r].length; c++) {
+				table.cells[r][c].text = cells[r][c].text;
+				table.cells[r][c].align = cells[r][c].align;
+				table.cells[r][c].box = cells[r][c].box;
+				//table.cells[r][c].padding = 10;
+			}
+		}
+		table.widths = widths;
+		table.heights = heights;
+		table.innerBorder.show = false;
+		table.outerBorder.show = false;
+		table.paddingH = 5;
+		table.paddingV = 5;
+		draw.path.last().selected = true;
+		repositionObj(table, left - table.left, top - table.top, 0, 0);
+
+		console.log(table);
+
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+	},
+	start: function () {
+		deselectAllPaths(false);
+		//var x = mouse.x - draw.drawRelPos[0];
+		//var y = mouse.y - draw.drawRelPos[1];
+		var x = draw.mouse[0];
+		var y = draw.mouse[1];
+		var w = Math.min(draw.drawArea[2] - x - 2 * draw.selectPadding, 600);
+		var obj = {
+			type: 'text2',
+			rect: [x, y, w, 54],
+			text: ["<<fontSize:28>>"],
+			align: [-1, -1],
+			textEdit: true
+		};
+		draw.path.push({
+			obj: [obj],
+			selected: true
+		});
+		drawCanvasPaths();
+		textEdit.start(draw.path.length - 1, obj, 0);
+		redrawButtons();
+	},
+	toggleBorder: function () {
+		var obj = draw.path[draw.currCursor.pathNum].obj[0];
+		if (un(obj.showBorder)) {
+			obj.showBorder = true;
+			obj.color = '#000';
+			obj.thickness = 2;
+			obj.fillColor = 'none';
+		} else {
+			obj.showBorder = !obj.showBorder;
+		}
+		drawSelectedPaths();
+	},
+	horizResize: function (e) {
+		updateMouse(e);
+		changeDrawMode('tableColResize');
+		draw.selectedPath = draw.currCursor.pathNum;
+		draw.prevX = draw.mouse[0];
+		//addListenerMove(window, draw.text2.horizResizeMove);
+		//addListenerEnd(window, draw.text2.horizResizeStop);
+		draw.animate(draw.text2.horizResizeMove,draw.text2.horizResizeStop,drawCanvasPaths);
+	},
+	horizResizeMove: function (e) {
+		updateMouse(e);
+		var path = draw.path[draw.selectedPath];
+		var dx = draw.mouse[0] - draw.prevX;
+		if (path.obj[0].tbLayoutTitle == true)
+			dx = dx * 2;
+		repositionPath(path, 0, 0, dx, 0);
+		updateBorder(path);
+		//drawCanvasPaths();
+		draw.prevX = draw.mouse[0];
+	},
+	horizResizeStop: function (e) {
+		//removeListenerMove(window, draw.text2.horizResizeMove);
+		//removeListenerEnd(window, draw.text2.horizResizeStop);
+		changeDrawMode('prev');
+	},
+	horizResizeCollapse: function () {
+		var path = draw.path[draw.currCursor.pathNum];
+		var obj = path.obj[0];
+		obj.ctx = draw.hiddenCanvas.ctx;
+		var tightRect = text(obj).tightRect;
+		delete obj.ctx;
+		var dw = tightRect[2] + 4 - path.tightBorder[2];
+		repositionPath(path, 0, 0, dw, 0);
+		updateBorder(path);
+		drawCanvasPaths();
+	},
+	vertResizeCollapse: function () {
+		var path = draw.path[draw.currCursor.pathNum];
+		var obj = path.obj[0];
+		obj.ctx = draw.hiddenCanvas.ctx;
+		var tightRect = text(obj).tightRect;
+		delete obj.ctx;
+		var dh = tightRect[3] + 4 - path.tightBorder[3];
+		repositionPath(path, 0, 0, 0, dh);
+		updateBorder(path);
+		drawCanvasPaths();
+	},
+	scale: function (obj, sf, center) {
+		if (!un(center)) {
+			obj.rect[0] = center[0] + sf * (obj.rect[0] - center[0]);
+			obj.rect[1] = center[1] + sf * (obj.rect[1] - center[1]);
+		}
+		obj.rect[2] *= sf;
+		obj.rect[3] *= sf;
+		if (!un(obj.tags) && !un(obj.tags.fontSize)) obj.tags.fontSize *= sf;
+		if (!un(obj.fontSize)) obj.fontSize *= sf;
+		if (!un(obj.lineSpacingFactor)) obj.lineSpacingFactor *= sf;
+		if (!un(obj.padding)) obj.padding *= sf;
+		if (!un(obj.box)) {
+			if (!un(obj.box.borderWidth))
+				obj.box.borderWidth *= sf;
+			if (!un(obj.box.radius))
+				obj.box.radius *= sf;
+			if (!un(obj.box.padding))
+				obj.box.padding *= sf;
+			if (!un(obj.box.dash)) {
+				if (!un(obj.box.dash[0]))
+					obj.box.dash[0] *= sf;
+				if (!un(obj.box.dash[1]))
+					obj.box.dash[1] *= sf;
+			}
+		}
+		textArrayFontSizeAdjust(obj.text, sf);
+	},
+
+	getControlPanel: function (obj) {
+		var elements = [{
+				name: 'Style',
+				type: 'style'
+			}, {
+				name: 'Round Box',
+				type: 'increment',
+				increment: function (obj, value) {
+					var val = draw.text2.getRadius(obj) + value * 5;
+					draw.text2.setRadius(obj, Math.max(0, Math.min(20, val)));
+				}
+			}
+		];
+		return {
+			obj: obj,
+			elements: elements
+		};
+	},
+	centerTextAtPos: function (obj, pos) {
+		obj.rect[0] = pos[0] - 0.5 * obj.rect[2];
+		obj.rect[1] = pos[1] - 0.5 * obj.rect[3];
+	},
+
+	getTextMeasure: function (obj) {
+		obj.ctx = draw.hiddenCanvas.ctx;
+		obj.text = simplifyText(obj.text);
+		var measure = text(obj);
+		return measure;
+	},
+	getCharPosition: function (obj, char) {
+		var measure = draw.text2.getTextMeasure(obj);
+		for (var t = 0; t < measure.textLoc.length; t++) {
+			if (un(measure.textLoc[t]))
+				continue;
+			if (measure.textLoc[t]instanceof Array == false)
+				continue;
+			for (var t2 = 0; t2 < measure.textLoc[t].length; t2++) {
+				var textLoc = measure.textLoc[t][t2];
+				if (un(textLoc))
+					continue;
+				if (textLoc instanceof Array)
+					continue;
+				if (textLoc.char == char)
+					return textLoc;
+			}
+		}
+		return false;
+	},
+	horizAlignToEquals: function () {
+		var objs1 = selObjs();
+		var objs2 = [];
+		var left = 100000;
+		for (var o = 0; o < objs1.length; o++) {
+			var obj = objs1[o];
+			if (obj.type !== 'text2')
+				continue;
+			obj._equalsPos = draw.text2.getCharPosition(obj, "=");
+			left = Math.min(left, obj._equalsPos.left);
+			objs2.push(obj);
+		}
+		if (objs2.length > 0) {
+			for (var o = 0; o < objs1.length; o++) {
+				var obj = objs1[o];
+				var dl = left - obj._equalsPos.left;
+				if (dl !== 0)
+					repositionObj(obj, dl, 0, 0, 0);
+			}
+			draw.updateAllBorders();
+			drawCanvasPaths();
+		}
+	}
+
+};
+draw.multiSelectTable = {
+	add: function () {
+		deselectAllPaths();
+		var left = 100 - draw.drawRelPos[0];
+		var top = 150 - draw.drawRelPos[1];
+		var width = 150;
+		var height = 150;
+		var cells = [];
+		var widths = [];
+		var heights = [];
+		for (var i = 0; i < 2; i++) {
+			cellRow = [];
+			for (var j = 0; j < 3; j++) {
+				cellRow.push({
+					text: [""],
+					align: [0, 0],
+					box: {
+						type: 'loose',
+						color: 'none',
+						borderColor: '#000',
+						radius: 15,
+						borderWidth: 2
+					}
+				});
+			}
+			cells.push(cellRow);
+			heights.push(height);
+		}
+		for (var j = 0; j < 3; j++)
+			widths.push(width);
+		var path = {
+			obj: [{
+					type: 'table2',
+					left: left,
+					top: top,
+					widths: widths,
+					heights: heights,
+					text: {
+						font: 'Arial',
+						size: 28,
+						color: '#000'
+					},
+					outerBorder: {
+						show: false,
+						width: 4,
+						color: '#000',
+						dash: [0, 0]
+					},
+					innerBorder: {
+						show: false,
+						width: 2,
+						color: '#666',
+						dash: [0, 0]
+					},
+					cells: cells,
+					paddingH: 10,
+					paddingV: 10
+				}
+			],
+			isInput: {
+				type: 'select',
+				shuffle: true,
+				multiSelect: true,
+				checkSelectCount: false,
+				selColors: ['#CCF', '#66F']
+			},
+			selected: true
+		};
+		draw.path.push(path);
+		draw.table2.draw(draw.hiddenCanvas.ctx, path.obj[0], path);
+		updateBorder(path);
+		drawCanvasPaths();
+	},
+	drawButton: function (ctx, size) {
+		ctx.clear();
+		roundedRect(ctx, 3, 3, 49, 49, 8, 6, '#000', '#F96');
+		ctx.strokeStyle = '#666';
+		ctx.lineWidth = 1;
+		ctx.fillStyle = '#FFF';
+		ctx.fillRect(10, 11, 35, 33);
+		ctx.fillStyle = '#393';
+		ctx.fillRect(10 + 11 * 1, 11 + 0 * 33 / 4, 35 / 3, 33 / 4);
+		ctx.fillRect(10 + 11 * 0, 11 + 1 * 33 / 4, 35 / 3, 33 / 4);
+		ctx.fillRect(10 + 11 * 2, 11 + 3 * 33 / 4, 35 / 3, 33 / 4);
+		ctx.beginPath();
+		for (var i = 0; i < 5; i++) {
+			ctx.moveTo(10, 11 + i * 33 / 4);
+			ctx.lineTo(45, 11 + i * 33 / 4);
+		}
+		for (var i = 0; i < 4; i++) {
+			ctx.moveTo(10 + i * 35 / 3, 11);
+			ctx.lineTo(10 + i * 35 / 3, 44);
+		}
+		ctx.stroke();
+		ctx.lineWidth = 1;
+		ctx.strokeStyle = '#000';
+		ctx.strokeRect(10, 11, 35, 33);
+	},
+};
+draw.singleSelectTable = {
+	add: function () {
+		deselectAllPaths();
+		var left = 100 - draw.drawRelPos[0];
+		var top = 150 - draw.drawRelPos[1];
+		var width = 150;
+		var height = 150;
+		var cells = [];
+		var widths = [];
+		var heights = [];
+		for (var i = 0; i < 2; i++) {
+			cellRow = [];
+			for (var j = 0; j < 2; j++) {
+				cellRow.push({
+					text: [""],
+					align: [0, 0],
+					box: {
+						type: 'loose',
+						color: 'none',
+						borderColor: '#000',
+						radius: 15,
+						borderWidth: 2
+					}
+				});
+			}
+			cells.push(cellRow);
+			heights.push(height);
+		}
+		for (var j = 0; j < 2; j++)
+			widths.push(width);
+		var path = {
+			obj: [{
+					type: 'table2',
+					left: left,
+					top: top,
+					widths: widths,
+					heights: heights,
+					text: {
+						font: 'Arial',
+						size: 28,
+						color: '#000'
+					},
+					outerBorder: {
+						show: false,
+						width: 4,
+						color: '#000',
+						dash: [0, 0]
+					},
+					innerBorder: {
+						show: false,
+						width: 2,
+						color: '#666',
+						dash: [0, 0]
+					},
+					cells: cells,
+					paddingH: 10,
+					paddingV: 10
+				}
+			],
+			isInput: {
+				type: 'select',
+				shuffle: true,
+				multiSelect: false,
+				checkSelectCount: false,
+				selColors: ['#CCF', '#66F']
+			},
+			selected: true
+		};
+		draw.path.push(path);
+		draw.table2.draw(draw.hiddenCanvas.ctx, path.obj[0], path);
+		updateBorder(path);
+		drawCanvasPaths();
+	},
+	drawButton: function (ctx, size) {
+		ctx.clear();
+		roundedRect(ctx, 3, 3, 49, 49, 8, 6, '#000', '#F96');
+		ctx.strokeStyle = '#666';
+		ctx.lineWidth = 1;
+		ctx.fillStyle = '#FFF';
+		ctx.fillRect(10, 11, 35, 33);
+		ctx.fillStyle = '#393';
+		ctx.fillRect(10, 11, 35 / 2, 33 / 2);
+		ctx.beginPath();
+		for (var i = 0; i < 3; i++) {
+			ctx.moveTo(10, 11 + i * 33 / 2);
+			ctx.lineTo(45, 11 + i * 33 / 2);
+		}
+		for (var i = 0; i < 3; i++) {
+			ctx.moveTo(10 + i * 35 / 2, 11);
+			ctx.lineTo(10 + i * 35 / 2, 44);
+		}
+		ctx.stroke();
+		ctx.lineWidth = 1;
+		ctx.strokeStyle = '#000';
+		ctx.strokeRect(10, 11, 35, 33);
+	},
+};
+draw.tickCrossSelectH = {
+	add: function () {
+		draw.tickCrossSelect.add();
+	},
+	drawButton: function (ctx, size) {
+		ctx.clear();
+		roundedRect(ctx, 3, 3, 49, 49, 8, 6, '#000', '#F96');
+		ctx.fillStyle = '#FFF';
+		ctx.fillRect(7.5, 17.5, 40, 20);
+		ctx.strokeStyle = '#000';
+		ctx.lineWidth = 1;
+		ctx.beginPath();
+		ctx.moveTo(27.5, 17.5);
+		ctx.lineTo(27.5, 37.5);
+		ctx.stroke();
+		ctx.strokeRect(7.5, 17.5, 40, 20);
+		drawTick(ctx, 15, 18, '#060', 7.5 + 2.5, 17.5 + 1, 3);
+		drawCross(ctx, 15, 18, '#F00', 27.5 + 2.5, 17.5 + 1, 3);
+	}
+}
+draw.tickCrossSelectV = {
+	add: function () {
+		draw.tickCrossSelect.add('vert');
+	},
+	drawButton: function (ctx, size) {
+		ctx.clear();
+		roundedRect(ctx, 3, 3, 49, 49, 8, 6, '#000', '#F96');
+		ctx.fillStyle = '#FFF';
+		ctx.fillRect(17.5, 7.5, 20, 40);
+		ctx.strokeStyle = '#000';
+		ctx.lineWidth = 1;
+		ctx.beginPath();
+		ctx.moveTo(17.5, 27.5);
+		ctx.lineTo(37.5, 27.5);
+		ctx.stroke();
+		ctx.strokeRect(17.5, 7.5, 20, 40);
+		drawTick(ctx, 15, 18, '#060', 17.5 + 2.5, 7.5 + 1, 3);
+		drawCross(ctx, 15, 18, '#F00', 17.5 + 2.5, 27.5 + 1, 3);
+	}
+}
+draw.tickCrossSelect = {
+	add: function (type) {
+		deselectAllPaths();
+		var left = 100 - draw.drawRelPos[0];
+		var top = 150 - draw.drawRelPos[1];
+
+		var paths1 = {
+			obj: [{
+					type: "tick",
+					rect: [155, 125, 40, 50],
+					lineWidth: 10,
+					lineColor: "#060"
+				}
+			]
+		};
+		var paths2 = {
+			obj: [{
+					type: "cross",
+					rect: [305, 125, 40, 50],
+					lineWidth: 10,
+					lineColor: "#F00"
+				}
+			]
+		};
+		updateBorder(paths1);
+		updateBorder(paths2);
+
+		var cell1 = {
+			text: [""],
+			align: [0, 0],
+			box: {
+				type: "loose",
+				borderColor: "#000",
+				borderWidth: 5,
+				radius: 10,
+				show: true
+			},
+			paths: [paths1],
+			selColors: ["none", "#6F6"],
+			ans: false
+		};
+		var cell2 = {
+			text: [""],
+			align: [0, 0],
+			box: {
+				type: "loose",
+				borderColor: "#000",
+				borderWidth: 5,
+				radius: 10,
+				show: true
+			},
+			paths: [paths2],
+			selColors: ["none", "#F66"],
+			ans: false
+		}
+		if (type == 'vert') {
+			var cells = [[cell1], [cell2]];
+			var widths = [150];
+			var heights = [100, 100]
+		} else {
+			var cells = [[cell1, cell2]];
+			var widths = [150, 150];
+			var heights = [100]
+		}
+
+		var obj = {
+			type: "table2",
+			left: left,
+			top: top,
+			widths: widths,
+			heights: heights,
+			text: {
+				font: "Arial",
+				size: 28,
+				color: "#000"
+			},
+			outerBorder: {
+				show: false
+			},
+			innerBorder: {
+				show: false
+			},
+			cells: cells
+		};
+
+		obj.xPos = [obj.left];
+		for (var i = 0; i < obj.widths.length; i++)
+			obj.xPos.push(obj.xPos.last() + obj.widths[i]);
+		obj.yPos = [obj.top];
+		for (var i = 0; i < obj.heights.length; i++)
+			obj.yPos.push(obj.yPos.last() + obj.heights[i]);
+
+		draw.path.push({
+			obj: [obj],
+			selected: true,
+			isInput: {
+				type: 'select',
+				shuffle: true,
+				multiSelect: false,
+				checkSelectCount: true
+			}
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+	}
+}
+draw.table2 = {
+	derivedProperties: ['width', 'height', 'xPos', 'yPos', 'ctx'],
+	cells: function (obj, func, path) {
+		if (un(obj))
+			return;
+		if (typeof func !== 'function')
+			return;
+		for (var r = 0, rMax = obj.cells.length; r < rMax; r++) {
+			for (var c = 0, cMax = obj.cells[r].length; c < cMax; c++) {
+				var cell = obj.cells[r][c];
+				func(cell, obj, path, r, c);
+			}
+		}
+	},
+	getCellRect: function (obj, r, c) {
+		return [obj.xPos[c], obj.yPos[r], obj.widths[c], obj.heights[r]];
+	},
+	selectTable: {
+		getCursorPositionsInteract: function (obj, path, pathNum) {
+			var pos = [];
+			var top = obj.top;
+			var rows = obj.heights.length;
+			var cols = obj.widths.length;
+			var paddingH = obj.paddingH || 0;
+			var paddingV = obj.paddingV || 0;
+
+			for (var r = 0; r < rows; r++) {
+				var left = obj.left;
+				for (var c = 0; c < cols; c++) {
+					pos.push({
+						shape: 'rect',
+						dims: [left + paddingH, top + paddingV, obj.widths[c] - 2 * paddingH, obj.heights[r] - 2 * paddingV],
+						cursor: draw.cursors.pointer,
+						func: draw.table2.selectTable.cellToggle,
+						path: path,
+						obj: obj,
+						pathNum: pathNum,
+						row: r,
+						col: c
+					});
+					left += obj.widths[c];
+				}
+				top += obj.heights[r];
+			}
+			if (un(obj._check)) {
+				if (!un(path.isInput) && !un(path.isInput.checkPos)) {
+					var l2 = path.isInput.checkPos[0] - 20;
+					var t2 = path.isInput.checkPos[1] - 20;
+				} else if (!un(path.interact) && !un(path.interact.checkPos)) {
+					var l2 = path.interact.checkPos[0] - 20;
+					var t2 = path.interact.checkPos[1] - 20;
+				} else {
+					var l2 = obj.left + obj.width + 10;
+					var t2 = obj.top + (obj.paddingH || 0);
+				}
+				pos.push({
+					shape: 'rect',
+					dims: [l2, t2, 40, 40],
+					cursor: draw.cursors.pointer,
+					func: draw.table2.selectTable.check,
+					path: path,
+					obj: obj,
+					pathNum: pathNum
+				});
+			}
+			return pos;
+		},
+		getButtons: function (x1, y1, x2, y2, pathNum) {
+			var buttons = [];
+			var path = draw.path[pathNum];
+			var obj = path.obj[0];
+			var interact = path.interact || path.isInput || obj.interact;
+			if (!un(obj.xPos) && !un(obj.yPos)) {
+				for (var r = 0; r < obj.cells.length; r++) {
+					for (var c = 0; c < obj.cells[r].length; c++) {
+						if (interact._mode === 'addAnswers') {
+							buttons.push({
+								buttonType: 'select-input-cellToggle2',
+								shape: 'rect',
+								dims: [obj.xPos[c], obj.yPos[r], obj.widths[c], obj.heights[r]],
+								cursor: draw.cursors.pointer,
+								func: draw.table2.selectTable.cellToggle,
+								pathNum: pathNum,
+								path: path,
+								obj: obj,
+								row: r,
+								col: c
+							});
+						} else if (interact._mode === 'showAnswers') {}
+						else {
+							/*buttons.push({buttonType:'select-input-cellToggle',shape:'rect',dims:[obj.xPos[c+1]-20,obj.yPos[r],20,20],cursor:draw.cursors.pointer,func:draw.table2.selectTable.cellToggle,pathNum:pathNum,path:path,obj:obj,row:r,col:c});*/
+						}
+					}
+				}
+			}
+			/*buttons.push({buttonType:'select-input-shuffleToggle',shape:'rect',dims:[x1+20,y2-20,60,20],cursor:draw.cursors.pointer,func:draw.table2.selectTable.shuffleToggle,pathNum:pathNum,shuffle:path.isInput.shuffle});
+			if (!un(path.isInput.selColors)) {
+			buttons.push({buttonType:'select-input-selColors',shape:'rect',dims:[x1+80,y2-20,20,20],cursor:draw.cursors.pointer,func:draw.table2.selectTable.selColors,pathNum:pathNum,selColors:path.isInput.selColors});
+			}*/
+			return buttons;
+		},
+		cellToggle: function () {
+			var path = draw.currCursor.path;
+			var obj = draw.currCursor.obj;
+			var cell = obj.cells[draw.currCursor.row][draw.currCursor.col];
+			var interact = path.interact || path.isInput || obj.interact;
+			if (draw.mode == 'interact') {
+				if (cell.toggle == true) {
+					delete cell.toggle;
+					if (interact.multiSelect !== true)
+						delete interact._value; ;
+				} else {
+					if (interact.multiSelect == true) {
+						cell.toggle = true;
+					} else {
+						delete interact._value;
+						for (var r = 0; r < obj.cells.length; r++) {
+							for (var c = 0; c < obj.cells[r].length; c++) {
+								if (r == draw.currCursor.row && c == draw.currCursor.col) {
+									obj.cells[r][c].toggle = true;
+									var value = obj.cells[r][c].value || obj.cells[r][c].id || obj.cells[r][c].text;
+									if (value instanceof Array && value.length === 1)
+										value = removeTags(value[0]);
+									interact._value = value;
+								} else {
+									delete obj.cells[r][c].toggle;
+								}
+							}
+						}
+					}
+				}
+			} else {
+				if (interact._mode === 'addAnswers') {
+					if (cell.toggle == true) {
+						delete cell.toggle;
+					} else {
+						if (interact.multiSelect == true) {
+							cell.toggle = true;
+						} else {
+							for (var r = 0; r < obj.cells.length; r++) {
+								for (var c = 0; c < obj.cells[r].length; c++) {
+									if (r == draw.currCursor.row && c == draw.currCursor.col) {
+										obj.cells[r][c].toggle = true;
+									} else {
+										delete obj.cells[r][c].toggle;
+									}
+								}
+							}
+						}
+					}
+				} else {
+					/*if (cell.ans == true) {
+					delete cell.ans;
+					} else {
+					if (interact.multiSelect == true) {
+					cell.ans = true;
+					} else {
+					for (var r = 0; r < obj.cells.length; r++) {
+					for (var c = 0; c < obj.cells[r].length; c++) {
+					if (r == draw.currCursor.row && c == draw.currCursor.col) {
+					obj.cells[r][c].ans = true;
+					} else {
+					delete obj.cells[r][c].ans;
+					}
+					}
+					}
+					}
+					}*/
+				}
+			}
+			if (typeof interact.onchange === 'function')
+				interact.onchange(obj);
+			updateBorder(path);
+			drawCanvasPaths();
+		},
+		setValue: function (obj, value) {
+			var path = obj._path || draw.getPathOfObj(obj);
+			var interact = path.interact || path.isInput || obj.interact;
+			interact._value = value;
+			for (var r = 0; r < obj.cells.length; r++) {
+				for (var c = 0; c < obj.cells[r].length; c++) {
+					var cell = obj.cells[r][c];
+					delete cell.toggle;
+					if (un(value))
+						continue;
+					if (cell.value === value || cell.id === value)
+						cell.toggle = true;
+					if (value instanceof Array && arraysEqual(value, cell.text))
+						cell.toggle = true;
+					var cellText = removeTags(cell.text);
+					if (cellText.length === 1 && typeof cellText[0] === 'string' && cellText[0] === value)
+						cell.toggle = true;
+				}
+			}
+			drawCanvasPaths();
+		},
+		shuffleToggle: function () {
+			var path = draw.path[draw.currCursor.pathNum];
+			var isInput = path.isInput;
+			if (un(isInput.shuffle))
+				isInput.shuffle = false;
+			isInput.shuffle = !isInput.shuffle;
+			updateBorder(path);
+			drawCanvasPaths();
+		},
+		selColors: function () {
+			var path = draw.path[draw.currCursor.pathNum];
+			var isInput = path.isInput;
+			var colors = [['#CCF', '#66F'], ['#FCC', '#F66'], ['#CFC', '#393']];
+			if (un(isInput.selColors)) {
+				isInput.selColors = colors[0];
+			} else {
+				for (var c = 0; c < colors.length; c++) {
+					if (arraysEqual(colors[c], isInput.selColors)) {
+						isInput.selColors = colors[(c + 1) % colors.length];
+						break;
+					}
+				}
+			}
+			updateBorder(path);
+			drawCanvasPaths();
+		},
+		reset: function (obj, path) {
+			if (un(path))
+				path = obj._path || draw.getPathOfObj(obj);
+			draw.table2.cells(obj, function (cell, obj, path) {
+				delete cell.toggle;
+			});
+			var interact = path.interact || path.isInput || obj.interact;
+			delete interact._value;
+			drawCanvasPaths();
+		},
+		/*check: function(obj,path,answerData) {
+		if (un(obj)) var obj = draw.currCursor.obj;
+		var correct = 0;
+		var wrong = 0;
+		var ansTotal = 0;
+
+		obj._cells = [];
+		for (var r = 0; r < obj.cells.length; r++) {
+		for (var c = 0; c < obj.cells[r].length; c++) {
+		obj._cells.push(obj.cells[r][c]);
+		}
+		}
+
+		for (var c = 0; c < obj._cells.length; c++) {
+		var cell = obj._cells[c];
+		if (!un(answerData) && !un(answerData.selectedCellIDs) {
+		var toggle = selectedCellIDs.indexOf(cell.cellID) > -1 ? true : false;
+		} else {
+		var toggle = cell.toggle === true ? true : false;
+		}
+		var ans = cell.ans === true ? true : false;
+		if (ans == true) {
+		ansTotal++;
+		if (toggle == true) correct++;
+		} else if (toggle == true) {
+		wrong++;
+		}
+		});
+		if (correct == ansTotal && wrong == 0) {
+		obj._check = true;
+		} else {
+		obj._check = false;
+		}
+		return obj._check;
+		},*/
+		countCheckedCells: function (obj) {
+			if (un(obj))
+				var obj = draw.currCursor.obj;
+			var count = 0;
+			draw.table2.cells(obj, function (cell, obj, path) {
+				if (cell.toggle === true)
+					count++;
+			});
+			return count;
+		},
+		getCheckedCells: function (obj) {
+			if (un(obj))
+				var obj = draw.currCursor.obj;
+			var cells = [];
+			draw.table2.cells(obj, function (cell, obj, path) {
+				if (cell.toggle === true) {
+					if (!un(cell.value)) {
+						cells.push({
+							value: cell.value
+						});
+					} else if (!arraysEqual(cell.text, [""])) {
+						cells.push({
+							text: cell.text
+						});
+					} else {
+						cells.push({
+							c: cell._c,
+							r: cell._r
+						});
+					}
+				}
+			});
+			cells.sort();
+			return cells;
+		}
+	},
+
+	getCells: function (obj) {
+		obj._cells = [];
+		for (var r = 0; r < obj.cells.length; r++) {
+			for (var c = 0; c < obj.cells[r].length; c++) {
+				var cell = obj.cells[r][c];
+				obj._cells.push(cell);
+			}
+		}
+		return obj._cells;
+	},
+	getXPos: function (obj) {
+		var xPos = [obj.left];
+		var x = obj.left;
+		if (un(obj.widths))
+			return xPos;
+		for (var r = 0; r < obj.widths.length; r++) {
+			x += obj.widths[r];
+			xPos.push(x);
+		}
+		return xPos;
+	},
+	getYPos: function (obj) {
+		var yPos = [obj.top];
+		var y = obj.top;
+		if (un(obj.heights))
+			return yPos;
+		for (var r = 0; r < obj.heights.length; r++) {
+			y += obj.heights[r];
+			yPos.push(y);
+		}
+		return yPos;
+	},
+	add: function (r, c) {
+		deselectAllPaths(false);
+		changeDrawMode();
+		var left = 100 - draw.drawRelPos[0];
+		var top = 150 - draw.drawRelPos[1];
+		var width = Math.min(400 / c, 80);
+		var height = Math.min(500 / r, 50);
+		var cells = [];
+		var widths = [];
+		var heights = [];
+		for (var i = 0; i < r; i++) {
+			cellRow = [];
+			for (var j = 0; j < c; j++) {
+				cellRow.push({
+					text: [""],
+					align: [0, 0]
+				});
+			}
+			cells.push(cellRow);
+			heights.push(height);
+		}
+		for (var j = 0; j < c; j++)
+			widths.push(width);
+
+		draw.path.push({
+			obj: [{
+					type: 'table2',
+					left: left,
+					top: top,
+					widths: widths,
+					heights: heights,
+					text: {
+						font: 'Arial',
+						size: 28,
+						color: '#000'
+					},
+					outerBorder: {
+						show: true,
+						width: 4,
+						color: '#000',
+						dash: [0, 0]
+					},
+					innerBorder: {
+						show: true,
+						width: 2,
+						color: '#666',
+						dash: [0, 0]
+					},
+					cells: cells,
+				}
+			],
+			selected: true
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+		calcCursorPositions();
+		tableMenuClose();
+	},
+	draw: function (ctx, obj, path) {
+		if (un(obj.widths) || obj.widths.length == 0)
+			return;
+		if (un(obj.heights) || obj.heights.length == 0)
+			return;
+		ctx.save();
+		obj.ctx = ctx;
+		for (var r = 0; r < obj.cells.length; r++) {
+			for (var c = 0; c < obj.cells[r].length; c++) {
+				var cell = obj.cells[r][c];
+				cell._r = r;
+				cell._c = c;
+				cell.text = simplifyText(cell.text);
+			}
+		}
+		var interact = path.interact || path.isInput || obj.interact;
+		if (!un(interact) && interact.type == 'select') {
+			for (var r = 0; r < obj.cells.length; r++) {
+				for (var c = 0; c < obj.cells[r].length; c++) {
+					var cell = obj.cells[r][c];
+					var selected = cell.toggle === true ? true : false;
+					/*if (draw.mode == 'interact' || interact._mode == 'showAnswers' || interact._mode == 'addAnswers') {
+					var selected = cell.toggle === true ? true : false;
+					} else {
+					var selected = cell.ans === true ? true : false;
+					}*/
+					if (!un(cell.box)) {
+						if (!un(cell.selColors)) {
+							cell.box.color = selected === true ? cell.selColors[1] : cell.selColors[0];
+						} else if (!un(obj.selColors)) {
+							cell.box.color = selected === true ? obj.selColors[1] : obj.selColors[0];
+						} else if (!un(interact.selColors)) {
+							cell.box.color = selected === true ? interact.selColors[1] : interact.selColors[0];
+						}
+					}
+				}
+			}
+		}
+		var table = drawTable3(obj);
+		obj._cells = [];
+		for (var r = 0; r < obj.cells.length; r++) {
+			for (var c = 0; c < obj.cells[r].length; c++) {
+				var cell = obj.cells[r][c];
+				obj._cells.push(cell);
+				cell.tightRect = table.cellTextMeasure[r][c].tightRect;
+				if (!un(cell.paths)) {
+					var cellCenter = [(table.xPos[c] + table.xPos[c + 1]) / 2, (table.yPos[r] + table.yPos[r + 1]) / 2]
+					for (var p = 0; p < cell.paths.length; p++) {
+						// position the paths relative to centre of cells
+						var path2 = cell.paths[p];
+						if (un(path2.tightBorder))
+							updateBorder(path2);
+						var pathCenter = [path2.tightBorder[0] + 0.5 * path2.tightBorder[2], path2.tightBorder[1] + 0.5 * path2.tightBorder[3]];
+						var dx = cellCenter[0] - pathCenter[0];
+						var dy = cellCenter[1] - pathCenter[1];
+						repositionPath(path2, dx, dy);
+					}
+					drawPathsToCanvas(ctx.canvas, cell.paths, 0);
+				}
+			}
+		}
+		if (obj.textEdit == true) {
+			if (!un(textEdit.tableCell) && !un(textEdit.tableCell[0]) && !un(textEdit.tableCell[1]) && !un(table.cellTextMeasure[textEdit.tableCell[0]]) && !un(table.cellTextMeasure[textEdit.tableCell[0]][textEdit.tableCell[1]])) {
+				var measure = table.cellTextMeasure[textEdit.tableCell[0]][textEdit.tableCell[1]];
+				textEdit.cursorMap = textEdit.mapTextLocs(obj, measure.textLoc, measure.softBreaks, measure.hardBreaks);
+				textEdit.tightRect = measure.tightRect;
+				textEdit.textLoc = measure.textLoc;
+				//textEdit.softBreaks = measure.softBreaks;
+				//textEdit.hardBreaks = measure.hardBreaks;
+				textEdit.lineRects = measure.lineRects;
+				textEdit.path = path;
+				textEdit.pathIndex = draw.path.indexOf(path);
+				delete textEdit.allMap;
+				textEdit.blinkReset();
+				if (!un(textEdit.menu)) textEdit.menu.update();
+			}
+		}
+
+		obj.xPos = table.xPos;
+		obj.yPos = table.yPos;
+		obj.width = obj.xPos[obj.xPos.length - 1] - obj.left;
+		obj.height = obj.yPos[obj.yPos.length - 1] - obj.top;
+
+		/*if (!un(path.isInput) && path.isInput.type == 'select') {
+		if (draw.mode == 'interact' && un(obj._check)) {
+		if (!un(path.isInput.checkPos)) {
+		var l2 = path.isInput.checkPos[0]-20;
+		var t2 = path.isInput.checkPos[1]-20;
+		} else {
+		var l2 = obj.left+obj.width+10;
+		var t2 = obj.top+(obj.paddingH || 0);
+		}
+		roundedRect(ctx, l2+3, t2+3, 40 - 6, 40 - 6, 3, 6, '#C93', '#FB8');
+		ctx.beginPath();
+		ctx.fillStyle = '#FFF';
+		drawStar({
+		ctx: ctx,
+		center: [l2+20,t2+20],
+		radius: 12,
+		points: 5
+		});
+		ctx.fill();
+		} else {
+		var markType = 'none';
+		var l2 = obj.left+obj.width+15;
+		var t2 = obj.top+(obj.paddingH || 0);
+		if (draw.mode == 'edit') {
+		markType = 'tick';
+		var color = colorA('#060',0.5);
+		} else if (draw.mode == 'interact') {
+		if (obj._check === true) {
+		markType = 'tick';
+		var color = '#060';
+		} else if (obj._check === false) {
+		markType = 'cross';
+		var color = '#F00';
+		}
+		}
+		if (markType == 'tick') drawTick(ctx,40,50,color,l2,t2,7);
+		if (markType == 'cross') drawCross(ctx,40,50,color,l2,t2,7);
+		}
+		}*/
+
+		ctx.restore();
+	},
+	getRect: function (obj) {
+		obj.width = arraySum(obj.widths);
+		obj.height = arraySum(obj.heights);
+		return [obj.left, obj.top, obj.width, obj.height];
+	},
+	getCursorPositionsSelected: function (obj, pathNum) {
+		var pos = [];
+		if (!un(obj.xPos) && !un(obj.yPos)) {
+			var xPos = obj.xPos;
+			var yPos = obj.yPos;
+			for (var r = 0; r < obj.cells.length; r++) {
+				for (var c = 0; c < obj.cells[r].length; c++) {
+					pos.push({
+						shape: 'rect',
+						dims: obj.cells[r][c].tightRect,
+						cursor: draw.cursors.text,
+						func: textEdit.tableSelectStart,
+						pathNum: pathNum,
+						obj: obj,
+						cell: [r, c]
+					});
+					pos.push({
+						shape: 'rect',
+						dims: [xPos[c], yPos[r], 10, yPos[r + 1] - yPos[r]],
+						cursor: draw.cursors.upRightArrow,
+						func: draw.table2.selectCell,
+						pathNum: pathNum,
+						r: r,
+						c: c
+					});
+				}
+			}
+			for (var c = 1; c < xPos.length; c++) {
+				pos.push({
+					shape: 'rect',
+					dims: [xPos[c - 1], obj.top - 10, xPos[c] - xPos[c - 1], 15],
+					cursor: draw.cursors.downArrow,
+					func: draw.table2.selectCol,
+					pathNum: pathNum,
+					c: c
+				});
+				pos.push({
+					shape: 'rect',
+					dims: [xPos[c] - 5, obj.top, 10, obj.height],
+					cursor: draw.cursors.ew,
+					func: draw.table2.resizeCol,
+					pathNum: pathNum,
+					c: c
+				});
+			}
+			for (var r = 1; r < yPos.length; r++) {
+				pos.push({
+					shape: 'rect',
+					dims: [obj.left - 10, yPos[r - 1], 15, yPos[r] - yPos[r - 1]],
+					cursor: draw.cursors.rightArrow,
+					func: draw.table2.selectRow,
+					pathNum: pathNum,
+					r: r
+				});
+				pos.push({
+					shape: 'rect',
+					dims: [obj.left, yPos[r] - 5, obj.width, 10],
+					cursor: draw.cursors.ns,
+					func: draw.table2.resizeRow,
+					pathNum: pathNum,
+					r: r
+				});
+			}
+		}
+		return pos;
+	},
+	getCursorPositionsInteract: function (obj, path, pathNum) {
+		var pos = [];
+		if (!un(path)) {
+			var interact = path.interact || path.isInput || obj.interact;
+			if (!un(interact) && interact.type === 'select' && interact._disabled !== true) {
+				pos = pos.concat(draw.table2.selectTable.getCursorPositionsInteract(obj, path, pathNum));
+			}
+		}
+		return pos;
+	},
+	getButtons: function (x1, y1, x2, y2, pathNum) {
+		var buttons = [];
+		buttons.push({
+			buttonType: 'table2-paddingHMinus',
+			shape: 'rect',
+			dims: [(x1 + x2) / 2 - 20, y2 - 20, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.table2.paddingHMinus,
+			pathNum: pathNum
+		});
+		buttons.push({
+			buttonType: 'table2-paddingHPlus',
+			shape: 'rect',
+			dims: [(x1 + x2) / 2, y2 - 20, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.table2.paddingHPlus,
+			pathNum: pathNum
+		});
+		buttons.push({
+			buttonType: 'table2-paddingVMinus',
+			shape: 'rect',
+			dims: [x2 - 20, (y1 + y2) / 2, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.table2.paddingVMinus,
+			pathNum: pathNum
+		});
+		buttons.push({
+			buttonType: 'table2-paddingVPlus',
+			shape: 'rect',
+			dims: [x2 - 20, (y1 + y2) / 2 - 20, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.table2.paddingVPlus,
+			pathNum: pathNum
+		});
+		buttons.push({
+			buttonType: 'table2-draw.table2.questionFit',
+			shape: 'rect',
+			dims: [x2 - 40, y2 - 20, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.table2.questionFit,
+			pathNum: pathNum
+		});
+		buttons.push({
+			buttonType: 'table2-draw.table2.questionGrid',
+			shape: 'rect',
+			dims: [x2 - 60, y2 - 20, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.table2.questionGrid,
+			pathNum: pathNum
+		});
+		buttons.push({
+			buttonType: 'table2-deleteContent',
+			shape: 'rect',
+			dims: [x2 - 40, y1, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.table2.deleteContent,
+			pathNum: pathNum,
+			draw: function (path, ctx, l, t, w, h) {
+				ctx.lineWidth = 2;
+				ctx.strokeStyle = colorA('#F00', 0.5);
+				ctx.beginPath();
+				ctx.moveTo(l + 0.2 * w, t + 0.2 * h);
+				ctx.lineTo(l + 0.8 * w, t + 0.8 * h);
+				ctx.moveTo(l + 0.2 * w, t + 0.8 * h);
+				ctx.lineTo(l + 0.8 * w, t + 0.2 * h);
+				ctx.stroke();
+			}
+		});
+		buttons.push({
+			buttonType: 'table2-reorder',
+			shape: 'rect',
+			dims: [x2 - 60, y1, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.table2.reorder,
+			pathNum: pathNum,
+			draw: function (path, ctx, l, t, w, h) {
+				ctx.fillStyle = colorA('#9FC', 0.5);
+				ctx.fillRect(l, t, w, h);
+				text({
+					ctx: ctx,
+					rect: [l, t, w, h],
+					align: [0, 0],
+					text: ['<<fontSize:12>>ab']
+				});
+			}
+		});
+
+		buttons.push({
+			buttonType: 'text2-fracScale',
+			shape: 'rect',
+			dims: [x1, y2 - 80, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.table2.setFracScale,
+			pathNum: pathNum
+		});
+		buttons.push({
+			buttonType: 'text2-algPadding',
+			shape: 'rect',
+			dims: [x1, y2 - 100, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.table2.setAlgPadding,
+			pathNum: pathNum
+		});
+
+		if (!un(pathNum)) {
+			var path = draw.path[pathNum];
+			if (!un(path) && !un(path.isInput) && path.isInput.type == 'select' && path.obj.length == 1) {
+				buttons = buttons.concat(draw.table2.selectTable.getButtons(x1, x2, y1, y2, pathNum));
+			}
+		}
+		return buttons;
+	},
+	setFracScale: function (obj) {
+		if (un(obj)) {
+			var obj = draw.path[draw.currCursor.pathNum].obj[0];
+		}
+		if (obj.fracScale == 1) {
+			delete obj.fracScale;
+		} else {
+			obj.fracScale = 1;
+		}
+		drawCanvasPaths();
+	},
+	setAlgPadding: function () {
+		if (un(obj)) {
+			var obj = draw.path[draw.currCursor.pathNum].obj[0];
+		}
+		if (typeof obj.algPadding == 'undefined') {
+			obj.algPadding = 0;
+		} else if (obj.algPadding == 5) {
+			delete obj.algPadding;
+		} else {
+			obj.algPadding++;
+		}
+		drawCanvasPaths();
+	},
+
+	getSelectedCells: function (obj) {
+		var selected = [];
+		for (var r = 0; r < obj.cells.length; r++) {
+			for (var c = 0; c < obj.cells[r].length; c++) {
+				if (obj.cells[r][c].selected == true)
+					selected.push(obj.cells[r][c]);
+			}
+		}
+		return selected;
+	},
+	getAllCells: function (obj) {
+		var all = [];
+		for (var r = 0; r < obj.cells.length; r++) {
+			for (var c = 0; c < obj.cells[r].length; c++) {
+				all.push(obj.cells[r][c]);
+			}
+		}
+		return all;
+	},
+	countSelectedCells: function (obj) {
+		var selected = 0;
+		for (var r = 0; r < obj.cells.length; r++) {
+			for (var c = 0; c < obj.cells[r].length; c++) {
+				if (obj.cells[r][c].selected == true)
+					selected++;
+			}
+		}
+		return selected;
+	},
+	transpose: function (obj) {
+		if (un(obj))
+			obj = sel();
+		if (un(obj))
+			return;
+		var cells = obj.cells;
+		var cells2 = [];
+		var widths = [];
+		var heights = [];
+		for (var r = 0; r < cells.length; r++) {
+			for (var c = 0; c < cells[r].length; c++) {
+				if (un(cells2[c]))
+					cells2[c] = [];
+				cells2[c][r] = cells[r][c];
+				if (un(widths[r]) || widths[r] < obj.widths[c])
+					widths[r] = obj.widths[c];
+				if (un(heights[c]) || heights[c] < obj.heights[r])
+					heights[c] = obj.heights[r];
+			}
+		}
+		obj.cells = cells2;
+		obj.widths = widths;
+		obj.heights = heights;
+		updateBorder(selPaths()[0]);
+		drawCanvasPaths();
+	},
+	reorder: function (obj) {
+		if (un(obj))
+			obj = sel();
+		if (un(obj))
+			return;
+		var cells = obj.cells;
+		var allCells = [];
+		for (var c = 0; c < obj.widths.length; c++) { // get cells column by column
+			for (var r = 0; r < cells.length; r++) {
+				allCells.push(cells[r][c]);
+			}
+		}
+		for (var r = 0; r < cells.length; r++) { // replace cells row by row
+			for (var c = 0; c < cells[r].length; c++) {
+				cells[r][c] = allCells.shift();
+			}
+		}
+		updateBorder(selPaths()[0]);
+		drawCanvasPaths();
+	},
+	setColumns: function (cols, obj) {
+		if (un(obj))
+			obj = sel();
+		if (un(obj))
+			return;
+		if (un(cols))
+			cols = obj.widths.length - 1;
+
+		var width = 0;
+		for (var c = 0; c < obj.widths.length; c++)
+			width += obj.widths[c];
+		obj.widths = [];
+		for (var c = 0; c < cols; c++)
+			obj.widths[c] = width / cols;
+
+		var cells = obj.cells;
+		var allCells = [];
+		for (var r = 0; r < cells.length; r++) {
+			for (var c = 0; c < cells.length; c++) {
+				allCells.push(cells[r][c]);
+			}
+		}
+		var rows = Math.ceil(allCells.length / cols);
+		while (obj.heights.length < rows)
+			obj.heights.push(obj.heights.last());
+
+		obj.cells = [];
+		for (var r = 0; r < rows; r++) { // replace cells row by row
+			obj.cells[r] = [];
+			for (var c = 0; c < cols; c++) {
+				if (allCells.length == 0)
+					continue;
+				obj.cells[r][c] = allCells.shift();
+			}
+		}
+		updateBorder(selPaths()[0]);
+		drawCanvasPaths();
+	},
+	deleteContent: function (obj) {
+		if (typeof obj == 'undefined') {
+			if (sel() == false)
+				return;
+			var obj = sel();
+		}
+		var cells = draw.table2.getSelectedCells(obj);
+		if (cells.length == 0)
+			cells = draw.table2.getAllCells(obj);
+		for (var c = 0; c < cells.length; c++)
+			cells[c].text = [""];
+		drawCanvasPaths();
+	},
+	grabPaths: function () {
+		var s = selPaths();
+		var tablePath,
+		table;
+		for (var p = 0; p < s.length; p++) {
+			if (s[p].obj[0].type == 'table2') {
+				tablePath = s[p];
+				tablePath.selected = false;
+				table = s[p].obj[0];
+				s.splice(p, 1);
+				break;
+			}
+		}
+		if (typeof table == 'undefined')
+			return;
+		var xPos = [table.left];
+		var yPos = [table.top];
+		for (var w = 0; w < table.widths.length; w++)
+			xPos[w + 1] = xPos[w] + table.widths[w];
+		for (var h = 0; h < table.heights.length; h++)
+			yPos[h + 1] = yPos[h] + table.heights[h];
+		for (var p = 0; p < s.length; p++) {
+			var row,
+			col;
+			var x = s[p].tightBorder[0] + 0.5 * s[p].tightBorder[2];
+			var y = s[p].tightBorder[1] + 0.5 * s[p].tightBorder[3];
+			for (var w = 0; w < xPos.length - 1; w++) {
+				if (x >= xPos[w] && x <= xPos[w + 1]) {
+					col = w;
+					break;
+				}
+			}
+			for (var h = 0; h < yPos.length - 1; h++) {
+				if (y >= yPos[h] && y <= yPos[h + 1]) {
+					row = h;
+					break;
+				}
+			}
+			//console.log(s[p].obj[0],x,y,col,row);
+			var cell = table.cells[row][col];
+			if (un(cell.paths))
+				cell.paths = [];
+			cell.paths = cell.paths.concat(s[p]);
+		}
+
+		// delete paths from main drawPaths
+		for (var p = draw.path.length - 1; p >= 0; p--) {
+			if (draw.path[p].selected == true) {
+				draw.path[p].selected = false;
+				draw.path.splice(p, 1);
+			}
+		}
+		tablePath.selected = true;
+
+		//console.log(table);
+		drawCanvasPaths();
+	},
+	releasePaths: function () {
+		var table = sel();
+		if (typeof table == 'undefined' || table.type !== 'table2')
+			return;
+		for (var r = 0; r < table.cells.length; r++) {
+			for (var c = 0; c < table.cells[r].length; c++) {
+				var cell = table.cells[r][c];
+				if (un(cell.paths))
+					continue;
+				for (var p = 0; p < cell.paths.length; p++) {
+					cell.paths[p].selected = true;
+					draw.path.push(cell.paths[p]);
+					updateBorder(cell.paths[p]);
+				}
+				delete cell.paths
+			}
+		}
+		drawCanvasPaths();
+	},
+	resizeCol: function () {
+		changeDrawMode('tableColResize');
+		draw.tableColResizing = draw.currCursor.c;
+		draw.selectedPath = draw.currCursor.pathNum;
+		draw.animate(draw.table2.resizeMove,draw.table2.resizeStop,drawCanvasPaths);
+		//addListenerMove(window, draw.table2.resizeMove);
+		//addListenerEnd(window, draw.table2.resizeStop);
+	},
+	resizeMove: function (e) {
+		updateMouse(e);
+		var path = draw.path[draw.selectedPath];
+		var obj = path.obj[0];
+		var width = draw.mouse[0] - obj.xPos[draw.tableColResizing - 1];
+		if (obj.type == 'table') {
+			for (var i = 0; i < obj.cells.length; i++) {
+				obj.cells[i][draw.tableColResizing - 1].minWidth = width;
+			}
+		} else if (obj.type == 'table2') {
+			if (draw.tableColResizing == obj.widths.length) {
+				var tableRight = obj.left;
+				for (var w = 0; w < obj.widths.length - 1; w++)
+					tableRight += obj.widths[w];
+				tableRight += width;
+				if (Math.abs(tableRight - (draw.drawArea[2] - draw.gridMargin[2])) < draw.snapTolerance)
+					width += ((draw.drawArea[2] - draw.gridMargin[2]) - tableRight);
+			}
+			obj.widths[draw.tableColResizing - 1] = width;
+			obj.width = arraySum(obj.widths);
+		}
+		updateBorder(path);
+		//drawSelectedPaths();
+		//drawSelectCanvas();
+	},
+	resizeStop: function (e) {
+		removeListenerMove(window, draw.table2.resizeMove);
+		removeListenerEnd(window, draw.table2.resizeStop);
+		changeDrawMode('prev');
+		//drawCanvasPaths();
+	},
+	resizeRow: function () {
+		changeDrawMode('tableRowResize');
+		draw.tableRowResizing = draw.currCursor.r;
+		draw.selectedPath = draw.currCursor.pathNum;
+		draw.animate(draw.table2.rowResizeMove,draw.table2.rowResizeStop,drawCanvasPaths);
+		//addListenerMove(window, draw.table2.rowResizeMove);
+		//addListenerEnd(window, draw.table2.rowResizeStop);
+	},
+	rowResizeMove: function (e) {
+		updateMouse(e);
+		var path = draw.path[draw.selectedPath];
+		var height = draw.mouse[1] - path.obj[0].yPos[draw.tableRowResizing - 1];
+		if (path.obj[0].type == 'table') {
+			for (var i = 0; i < path.obj[0].cells[draw.tableRowResizing - 1].length; i++) {
+				path.obj[0].cells[draw.tableRowResizing - 1][i].minHeight = height;
+			}
+			repositionPath(path);
+		} else if (path.obj[0].type == 'table2') {
+			path.obj[0].heights[draw.tableRowResizing - 1] = height;
+			path.obj[0].height = arraySum(path.obj[0].heights);
+		}
+		updateBorder(path);
+		//drawSelectedPaths();
+		//drawSelectCanvas();
+	},
+	rowResizeStop: function (e) {
+		//removeListenerMove(window, draw.table2.rowResizeMove);
+		//removeListenerEnd(window, draw.table2.rowResizeStop);
+		changeDrawMode('prev');
+		//drawCanvasPaths();
+	},
+	selectCol: function () {
+		var col = draw.currCursor.c - 1;
+		var pathNum = draw.currCursor.pathNum;
+		var path = draw.path[pathNum];
+		var cells = path.obj[0].cells;
+		for (var r = 0; r < cells.length; r++) {
+			for (var c = 0; c < cells[r].length; c++) {
+				if (c == col) {
+					cells[r][c].selected = true;
+					cells[r][c].highlight = true;
+				} else {
+					delete cells[r][c].selected;
+					delete cells[r][c].highlight;
+				}
+			}
+		}
+		drawSelectedPaths();
+		draw.startX = draw.mouse[0]
+			draw.startY = draw.mouse[1];
+		changeDrawMode('tableColSelect');
+		draw.animate(draw.table2.cellSelectMove,draw.table2.cellSelectStop,drawCanvasPaths);
+		//addListenerMove(window, draw.table2.cellSelectMove);
+		//addListenerEnd(window, draw.table2.cellSelectStop);
+	},
+	selectRow: function () {
+		var row = draw.currCursor.r - 1;
+		var pathNum = draw.currCursor.pathNum;
+		var path = draw.path[pathNum];
+		var cells = path.obj[0].cells;
+		for (var r = 0; r < cells.length; r++) {
+			for (var c = 0; c < cells[r].length; c++) {
+				if (r == row) {
+					cells[r][c].selected = true;
+					cells[r][c].highlight = true;
+				} else {
+					delete cells[r][c].selected;
+					delete cells[r][c].highlight;
+				}
+			}
+		}
+		drawSelectedPaths();
+		draw.startX = draw.mouse[0]
+		draw.startY = draw.mouse[1];
+		changeDrawMode('tableRowSelect');
+		draw.animate(draw.table2.cellSelectMove,draw.table2.cellSelectStop,drawCanvasPaths);
+		//addListenerMove(window, draw.table2.cellSelectMove);
+		//addListenerEnd(window, draw.table2.cellSelectStop);
+	},
+	selectCell: function () {
+		var col = draw.currCursor.c;
+		var row = draw.currCursor.r;
+		var pathNum = draw.currCursor.pathNum;
+		var path = draw.path[pathNum];
+		var cells = path.obj[0].cells;
+		for (var r = 0; r < cells.length; r++) {
+			for (var c = 0; c < cells[r].length; c++) {
+				if (r == row && c == col) {
+					cells[r][c].selected = true;
+					cells[r][c].highlight = true;
+				} else {
+					delete cells[r][c].selected;
+					delete cells[r][c].highlight;
+				}
+			}
+		}
+		drawSelectedPaths();
+		draw.startX = draw.mouse[0]
+		draw.startY = draw.mouse[1];
+		changeDrawMode('tableCellSelect');
+		draw.animate(draw.table2.cellSelectMove,draw.table2.cellSelectStop,drawCanvasPaths);
+		//addListenerMove(window, draw.table2.cellSelectMove);
+		//addListenerEnd(window, draw.table2.cellSelectStop);
+	},
+	cellSelectMove: function (e) {
+		updateMouse(e);
+		var pathNum = draw.currCursor.pathNum;
+		var startCol = draw.currCursor.c;
+		var startRow = draw.currCursor.r;
+		var path = draw.path[pathNum];
+		var obj = path.obj[0];
+		var xPos = obj.xPos;
+		var yPos = obj.yPos;
+		var colsSelected = [];
+		var rowsSelected = [];
+		var xMin = Math.min(draw.mouse[0], draw.startX);
+		var xMax = Math.max(draw.mouse[0], draw.startX);
+		var yMin = Math.min(draw.mouse[1], draw.startY);
+		var yMax = Math.max(draw.mouse[1], draw.startY);
+		if (draw.drawMode == 'tableRowSelect') {
+			for (var k = 0; k < xPos.length - 1; k++) {
+				colsSelected[k] = true;
+			}
+		} else {
+			for (var k = 0; k < xPos.length - 1; k++) {
+				if ((xPos[k] > xMin && xPos[k] < xMax) || (xPos[k] < xMin && xPos[k + 1] > xMax) || (xPos[k + 1] > xMin && xPos[k + 1] < xMax)) {
+					colsSelected[k] = true;
+				} else {
+					colsSelected[k] = false;
+				}
+			}
+		}
+		if (draw.drawMode == 'tableColSelect') {
+			for (var k = 0; k < yPos.length - 1; k++) {
+				rowsSelected[k] = true;
+			}
+		} else {
+			for (var k = 0; k < yPos.length - 1; k++) {
+				if ((yPos[k] > yMin && yPos[k] < yMax) || (yPos[k] < yMin && yPos[k + 1] > yMax) || (yPos[k + 1] > yMin && yPos[k + 1] < yMax)) {
+					rowsSelected[k] = true;
+				} else {
+					rowsSelected[k] = false;
+				}
+			}
+		}
+		if (getArrayCount(colsSelected, true) == 1 && getArrayCount(rowsSelected, true) == 1) {
+			var selectCount = 1;
+		} else if (getArrayCount(colsSelected, true) == 0 && getArrayCount(rowsSelected, true) == 0) {
+			var selectCount = 0;
+		} else {
+			var selectCount = 2;
+		}
+
+		var cells = obj.cells;
+		for (var k = 0; k < cells.length; k++) {
+			for (var l = 0; l < cells[k].length; l++) {
+				if (rowsSelected[k] == true && colsSelected[l] == true) {
+					cells[k][l].selected = true;
+					if (selectCount == 2 || draw.drawMode !== 'tableInputSelect') {
+						cells[k][l].highlight = true;
+					} else {
+						delete cells[k][l].highlight;
+					}
+				} else {
+					delete cells[k][l].selected;
+					delete cells[k][l].highlight;
+				}
+			}
+		}
+		//drawSelectedPaths();
+	},
+	cellSelectStop: function (e) {
+		//removeListenerMove(window, draw.table2.cellSelectMove);
+		//removeListenerEnd(window, draw.table2.cellSelectStop);
+		var pathNum = draw.currCursor.pathNum;
+		var startCol = draw.currCursor.c;
+		var startRow = draw.currCursor.r;
+		var path = draw.path[pathNum];
+		var obj = path.obj[0];
+		var xPos = obj.xPos;
+		var yPos = obj.yPos;
+		changeDrawMode('textEdit');
+		calcCursorPositions();
+	},
+	deselectTables: function () {
+		var path = draw.path;
+		for (var i = 0; i < path.length; i++) {
+			if (typeof path[i].obj == 'undefined')
+				continue;
+			var changed = false;
+			for (var j = 0; j < path[i].obj.length; j++) {
+				if (path[i].obj[j].type == 'table' || path[i].obj[j].type == 'table2') {
+					var cells = path[i].obj[j].cells;
+					for (var r = 0; r < cells.length; r++) {
+						for (var c = 0; c < cells[r].length; c++) {
+							if (cells[r][c].selected == true) {
+								delete cells[r][c].selected;
+								delete cells[r][c].highlight;
+								cells[r][c].text = removeTagsOfType(cells[r][c].text, 'selected');
+								changed = true;
+							}
+						}
+					}
+				}
+			}
+			if (changed)
+				drawSelectedPaths();
+		}
+	},
+	paddingHPlus: function () {
+		var pathNum = draw.currCursor.pathNum;
+		var obj = draw.path[pathNum].obj[0];
+		if (un(obj.paddingH))
+			obj.paddingH = 0;
+		obj.paddingH += 5;
+		drawSelectedPaths();
+	},
+	paddingHMinus: function () {
+		var pathNum = draw.currCursor.pathNum;
+		var obj = draw.path[pathNum].obj[0];
+		if (un(obj.paddingH))
+			obj.paddingH = 0;
+		obj.paddingH = Math.max(0, obj.paddingH - 5);
+		drawSelectedPaths();
+	},
+	paddingVPlus: function () {
+		var pathNum = draw.currCursor.pathNum;
+		var obj = draw.path[pathNum].obj[0];
+		if (un(obj.paddingV))
+			obj.paddingV = 0;
+		obj.paddingV += 5;
+		drawSelectedPaths();
+	},
+	paddingVMinus: function () {
+		var pathNum = draw.currCursor.pathNum;
+		var obj = draw.path[pathNum].obj[0];
+		if (un(obj.paddingV))
+			obj.paddingV = 0;
+		obj.paddingV = Math.max(0, obj.paddingV - 5);
+		drawSelectedPaths();
+	},
+	questionGrid: function (border, dir) {
+		if (un(dir))
+			dir = 'vert';
+		for (var p = 0; p < draw.path.length; p++) {
+			if (draw.path[p].selected && draw.path[p].obj.length == 1 && draw.path[p].obj[0].type == 'table2') {
+				var path = draw.path[p];
+				var obj = path.obj[0];
+				obj.fontSize = 28;
+				if (draw.gridVertMargins.length > 0) {
+					var totalWidth = draw.drawArea[2] - (draw.gridVertMargins[0] + draw.gridMargin[2]);
+				} else {
+					var totalWidth = draw.drawArea[2] - (draw.gridMargin[0] + draw.gridMargin[2]);
+				}
+				obj.width = totalWidth;
+				for (var w = 0; w < obj.widths.length; w++) {
+					obj.widths[w] = totalWidth / obj.widths.length;
+				}
+				if (draw.gridVertMargins.length > 0) {
+					repositionPath(path, draw.gridVertMargins[0] - path.tightBorder[0], 0, 0, 0);
+				} else {
+					repositionPath(path, draw.gridMargin[0] - path.tightBorder[0], 0, 0, 0);
+				}
+				var cells = obj.cells;
+				var letters = 'abcdefghijklmnopqrstuvwxyz';
+				var cols = obj.widths.length;
+				var rows = obj.heights.length;
+				var count = 0;
+				for (var r = 0; r < cells.length; r++) {
+					for (var c = 0; c < cells[r].length; c++) {
+						var cell = cells[r][c];
+						cell.align = [-1, 0];
+						delete cell.fontSize;
+						if (dir == 'vert') {
+							var char = letters.charAt(c * rows + r);
+						} else {
+							var char = letters.charAt(count);
+						}
+						var tabs = tab;
+						if ('fijl'.indexOf(char) > -1)
+							tabs += tab;
+						cell.text = [char + ')' + tabs]
+						count++;
+					}
+				}
+				distributeHoriz();
+				distributeVert();
+				if (boolean(border, false) == false)
+					obj.innerBorder.show = false;
+				obj.outerBorder.show = false;
+				updateBorder(path);
+				drawCanvasPaths();
+				repositionPath(path);
+				return;
+			}
+		}
+		console.log('selected table not found');
+	},
+	questionFit: function () {
+		for (var p = 0; p < draw.path.length; p++) {
+			if (draw.path[p].selected && draw.path[p].obj.length == 1 && draw.path[p].obj[0].type == 'table2') {
+				var path = draw.path[p];
+				var obj = path.obj[0];
+				if (draw.gridVertMargins.length > 0) {
+					var totalWidth = draw.drawArea[2] - (draw.gridVertMargins[0] + draw.gridMargin[2]);
+				} else {
+					var totalWidth = draw.drawArea[2] - (draw.gridMargin[0] + draw.gridMargin[2]);
+				}
+				obj.width = totalWidth;
+				for (var w = 0; w < obj.widths.length; w++) {
+					obj.widths[w] = totalWidth / obj.widths.length;
+				}
+				if (draw.gridVertMargins.length > 0) {
+					repositionPath(path, draw.gridVertMargins[0] - path.tightBorder[0], 0, 0, 0);
+				} else {
+					repositionPath(path, draw.gridMargin[0] - path.tightBorder[0], 0, 0, 0);
+				}
+				distributeHoriz();
+				distributeVert();
+				obj.innerBorder.show = false;
+				obj.outerBorder.show = false;
+				updateBorder(path);
+				drawCanvasPaths();
+				repositionPath(path);
+				return;
+			}
+		}
+		console.log('selected table not found');
+	},
+	addRows: function (path, below) {
+		if (path.obj[0].type !== 'table2')
+			return;
+		var obj = path.obj[0];
+		var selRowsCols = draw.table2.getSelRowsCols(obj);
+		var selRows = selRowsCols.rows;
+		var selCols = selRowsCols.cols;
+		var rowHeights = selRowsCols.rowHeights;
+		var colWidths = selRowsCols.colWidths;
+		if (selRows.length == 0 || selCols.length == 0)
+			return;
+
+		draw.drawModeSave = draw.drawMode;
+		draw.drawMode = 'none';
+		var cells = obj.cells;
+		var newRows = [];
+		var newHeights = [];
+		for (var r = 0; r < selRows.length; r++) {
+			newRows.push(clone(cells[selRows[r]]));
+			newHeights.push(obj.heights[selRows[r]]);
+		}
+		if (boolean(below, true) == false) {
+			var newCel = obj.cells.slice(0, selRows[0]).concat(newRows).concat(obj.cells.slice(selRows[0]));
+			var newHei = obj.heights.slice(0, selRows[0]).concat(newHeights).concat(obj.heights.slice(selRows[0]));
+		} else {
+			var newCel = obj.cells.slice(0, selRows[selRows.length - 1] + 1).concat(newRows).concat(obj.cells.slice(selRows[selRows.length - 1] + 1));
+			var newHei = obj.heights.slice(0, selRows[selRows.length - 1] + 1).concat(newHeights).concat(obj.heights.slice(selRows[selRows.length - 1] + 1));
+		}
+		obj.cells = newCel;
+		obj.heights = newHei;
+		draw.drawMode = draw.drawModeSave;
+		updateBorder(path);
+		drawCanvasPaths();
+	},
+	addCols: function (path, right) {
+		if (path.obj[0].type !== 'table' && path.obj[0].type !== 'table2')
+			return;
+		var obj = path.obj[0];
+		var selRowsCols = draw.table2.getSelRowsCols(obj);
+		var selRows = selRowsCols.rows;
+		var selCols = selRowsCols.cols;
+		var rowHeights = selRowsCols.rowHeights;
+		var colWidths = selRowsCols.colWidths;
+		if (selRows.length == 0 || selCols.length == 0)
+			return;
+		draw.drawModeSave = draw.drawMode;
+		draw.drawMode = 'none';
+		var cells = obj.cells;
+		var newWidths = [];
+		for (var r = 0; r < cells.length; r++) {
+			var newCells = [];
+			for (var c = 0; c < selCols.length; c++) {
+				var cell = clone(cells[r][selCols[c]]);
+				var tags = textArrayGetStartTags(cell.text);
+				cell.text = [tags];
+				newCells.push(cell);
+				if (r == 0)
+					newWidths.push(obj.widths[selCols[c]]);
+			}
+			if (boolean(right, true) == false) {
+				var newRow = obj.cells[r].slice(0, selCols[0]).concat(newCells).concat(obj.cells[r].slice(selCols[0]));
+			} else {
+				var newRow = obj.cells[r].slice(0, selCols[selCols.length - 1] + 1).concat(newCells).concat(obj.cells[r].slice(selCols[selCols.length - 1] + 1));
+			}
+			obj.cells[r] = newRow;
+		}
+		if (boolean(right, true) == false) {
+			obj.widths = obj.widths.slice(0, selCols[0]).concat(newWidths).concat(obj.widths.slice(selCols[0]));
+		} else {
+			obj.widths = obj.widths.slice(0, selCols[selCols.length - 1] + 1).concat(newWidths).concat(obj.widths.slice(selCols[selCols.length - 1] + 1));
+		}
+		draw.drawMode = draw.drawModeSave;
+		updateBorder(path);
+		drawCanvasPaths();
+	},
+	deleteRows: function (path) {
+		if (path.obj[0].type !== 'table' && path.obj[0].type !== 'table2')
+			return;
+		var obj = path.obj[0];
+		var selRowsCols = draw.table2.getSelRowsCols(obj);
+		var selRows = selRowsCols.rows;
+		var selCols = selRowsCols.cols;
+		var rowHeights = selRowsCols.rowHeights;
+		var colWidths = selRowsCols.colWidths;
+		if (selRows.length == 0 || selCols.length == 0)
+			return;
+
+		var cells = obj.cells;
+		var type = obj.type;
+		for (var r = selRows.length - 1; r >= 0; r--) {
+			cells.splice(selRows[r], 1);
+			obj.heights.splice(selRows[r], 1);
+		}
+
+		updateBorder(path);
+		drawCanvasPaths();
+	},
+	deleteCols: function (path) {
+		if (path.obj[0].type !== 'table' && path.obj[0].type !== 'table2')
+			return;
+		var obj = path.obj[0];
+		var selRowsCols = draw.table2.getSelRowsCols(obj);
+		var selRows = selRowsCols.rows;
+		var selCols = selRowsCols.cols;
+		var rowHeights = selRowsCols.rowHeights;
+		var colWidths = selRowsCols.colWidths;
+		if (selRows.length == 0 || selCols.length == 0)
+			return;
+
+		var cells = obj.cells;
+		var type = obj.type;
+		for (var r = 0; r < cells.length; r++) {
+			for (var c = selCols.length - 1; c >= 0; c--) {
+				cells[r].splice(selCols[c], 1);
+				if (r == 0)
+					obj.widths.splice(selCols[c], 1);
+			}
+		}
+
+		updateBorder(path);
+		drawCanvasPaths();
+	},
+	getSelRowsCols: function (obj) {
+		var cells = obj.cells;
+		var selRows = [];
+		var selCols = [];
+		var rowHeights = [];
+		var colWidths = [];
+		for (var r = 0; r < cells.length; r++) {
+			for (var c = 0; c < cells[r].length; c++) {
+				if (cells[r][c].selected == true) {
+					if (selRows.indexOf(r) == -1) {
+						selRows.push(r);
+						rowHeights.push(obj.heights[r]);
+					}
+					if (selCols.indexOf(c) == -1) {
+						selCols.push(c);
+						colWidths.push(obj.widths[c]);
+					}
+				}
+			}
+		}
+		return {
+			rows: selRows,
+			cols: selCols,
+			rowHeights: rowHeights,
+			colWidths: colWidths
+		};
+	},
+	mergeTablesH: function () {
+		var paths = selPaths();
+		for (var p = paths.length - 1; p >= 0; p--) {
+			if (paths[p].obj.length > 1 || paths[p].obj[0].type !== 'table2')
+				paths.splice(p, 1);
+		}
+		if (paths.length < 2)
+			return;
+		paths.sort(function (a, b) {
+			return a.border[0] - b.border[0];
+		});
+
+		var table = paths[0].obj[0];
+		var cols = table.widths.length;
+
+		for (var p = 1; p < paths.length; p++) {
+			var obj = paths[p].obj[0];
+			table.widths = table.widths.concat(obj.widths);
+			var cells = obj.cells;
+			for (r = 0; r < cells.length; r++) {
+				for (c = 0; c < cells[r].length; c++) {
+					table.cells[r][cols + c] = cells[r][c];
+				}
+			}
+		}
+		paths[0].selected = false;
+		deletePaths();
+		paths[0].selected = true;
+		updateBorder(paths[0]);
+		drawCanvasPaths();
+	},
+	mergeTablesV: function () {
+		var paths = selPaths();
+		for (var p = paths.length - 1; p >= 0; p--) {
+			if (paths[p].obj.length > 1 || paths[p].obj[0].type !== 'table2')
+				paths.splice(p, 1);
+		}
+		if (paths.length < 2)
+			return;
+		paths.sort(function (a, b) {
+			return a.border[1] - b.border[1];
+		});
+
+		var table = paths[0].obj[0];
+		var rows = table.heights.length;
+
+		for (var p = 1; p < paths.length; p++) {
+			var obj = paths[p].obj[0];
+			table.heights = table.heights.concat(obj.heights);
+			var cells = obj.cells;
+			for (r = 0; r < cells.length; r++) {
+				for (c = 0; c < cells[r].length; c++) {
+					if (un(table.cells[rows + r]))
+						table.cells[rows + r] = [];
+					table.cells[rows + r][c] = cells[r][c];
+				}
+			}
+		}
+		paths[0].selected = false;
+		deletePaths();
+		paths[0].selected = true;
+		updateBorder(paths[0]);
+		drawCanvasPaths();
+	},
+	scale: function (obj, sf, center) {
+		if (!un(center)) {
+			obj.left = center[0] + sf * (obj.left - center[0]);
+			obj.top = center[1] + sf * (obj.top - center[1]);
+		}
+		for (var w = 0; w < obj.widths.length; w++)
+			obj.widths[w] *= sf;
+		for (var h = 0; h < obj.heights.length; h++)
+			obj.heights[h] *= sf;
+		if (!un(obj.innerBorder)) {
+			if (!un(obj.innerBorder.width))
+				obj.innerBorder.width *= sf;
+			if (!un(obj.innerBorder.dash)) {
+				if (!un(obj.innerBorder.dash[0]))
+					obj.innerBorder.dash[0] *= sf;
+				if (!un(obj.innerBorder.dash[1]))
+					obj.innerBorder.dash[1] *= sf;
+			}
+		}
+		if (!un(obj.outerBorder)) {
+			if (!un(obj.outerBorder.width))
+				obj.outerBorder.width *= sf;
+			if (!un(obj.outerBorder.dash)) {
+				if (!un(obj.outerBorder.dash[0]))
+					obj.outerBorder.dash[0] *= sf;
+				if (!un(obj.outerBorder.dash[1]))
+					obj.outerBorder.dash[1] *= sf;
+			}
+		}
+		if (!un(obj.text)) {
+			if (!un(obj.text.size))
+				obj.text.size *= sf;
+		}
+		if (!un(obj.padding))
+			obj.padding *= sf;
+		for (var r = 0; r < obj.cells.length; r++) {
+			for (var c = 0; c < obj.cells[r].length; c++) {
+				var cell = obj.cells[r][c];
+				if (!un(cell.padding)) cell.padding *= sf;
+				if (!un(cell.fontSize)) cell.fontSize *= sf;
+				textArrayFontSizeAdjust(cell.text, sf);
+			}
+		}
+	},
+	getControlPanel: function (obj) {
+		var elements = [{
+				name: 'Style',
+				type: 'style'
+			}, {
+				name: 'Outer Border',
+				type: 'tableBorder',
+				type2: 'outer'
+			}, {
+				name: 'Inner Border',
+				type: 'tableBorder',
+				type2: 'inner'
+			}
+		];
+		return {
+			obj: obj,
+			elements: elements
+		};
+	},
+	removePadding: function (obj) {
+		var cells = draw.table2.getAllCells(obj);
+		for (var c = 0; c < cells.length; c++) {
+			var cell = cells[c];
+			delete cell.padding;
+		}
+		drawCanvasPaths();
+	},
+	extractText: function (obj) {
+		if (un(obj))
+			obj = sel();
+		var y = obj.top;
+		for (var r = 0; r < obj.cells.length; r++) {
+			var x = obj.left;
+			for (var c = 0; c < obj.cells[r].length; c++) {
+				var cell = obj.cells[r][c];
+				if (cell.selected !== true || un(cell.text) || arraysEqual(cell.text, [''])) {
+					x += obj.widths[c];
+					continue;
+				}
+				var obj2 = {
+					type: "text2"
+				};
+				copyProperties(cell, obj2, ["type", "highlight", "padding", "tightRect", "selected"]);
+				obj2.rect = [x, y, obj.widths[c], obj.heights[r]];
+				draw.path.push({
+					obj: [obj2],
+					selected: true
+				});
+				cell.text = [''];
+				x += obj.widths[c];
+			}
+			y += obj.heights[r];
+		}
+		draw.updateAllBorders();
+		drawCanvasPaths();
+	},
+	getStartTags: function (obj) {
+		var tags = clone(defaultTags);
+		if (!un(obj.tags)) {
+			for (var key in obj.tags) {
+				tags[key] = clone(obj.tags[key]);
+			}
+		}
+		if (!un(obj.text)) {
+			if (!un(obj.text.color))
+				tags.color = obj.text.color;
+			if (!un(obj.text.font))
+				tags.font = obj.text.font;
+			if (!un(obj.text.size))
+				tags.fontSize = obj.text.size;
+		}
+		for (var key in tags) {
+			if (!un(obj[key]))
+				tags[key] = clone(obj[key]);
+		}
+
+		if (!un(obj.cells) && !un(obj.cells[0]) && !un(obj.cells[0][0])) {
+			var cell = obj.cells[0][0];
+			if (!un(cell.align))
+				tags.align = clone(cell.align);
+			if (!un(cell.bold))
+				tags.bold = cell.bold;
+			if (!un(cell.italic))
+				tags.italic = cell.italic;
+			if (!un(cell.font))
+				tags.font = cell.font;
+			if (!un(cell.fontSize))
+				tags.fontSize = cell.fontSize;
+			if (!un(cell.textColor))
+				tags.color = cell.textColor;
+
+			var str = cell.text[0];
+			while (str.length > 2 && str.slice(0, 2) == '<<' && str.slice(0, 3) !== '<<<' && str.indexOf('>>') !== -1) {
+				var pos = str.indexOf('>>') + 2;
+				var tag = str.slice(0, pos);
+				var pos2 = tag.indexOf(':');
+				var key = tag.slice(2, pos2);
+				var value = tag.slice(pos2 + 1, -2);
+				if (key !== 'align') {
+					if (value == 'true') {
+						value = true;
+					} else if (value == 'false') {
+						value = false;
+					} else if (!isNaN(Number(value))) {
+						value = Number(value);
+					}
+					tags[key] = value;
+				}
+				str = str.slice(pos);
+			}
+		}
+		return tags;
+	},
+
+	copyPasteValues: function () {
+		var paths = selPaths();
+		var t1 = paths[0].obj[0];
+		var t2 = paths[1].obj[0];
+		for (var r = 0; r < t1.cells.length; r++) {
+			for (var c = 0; c < t1.cells[r].length; c++) {
+				t2.cells[r][c].text = clone(t1.cells[r][c].text);
+			}
+		}
+		drawCanvasPaths();
+	}
+};
+draw.skewGrid = {
+	add: function (hSquares, vSquares, dotGrid) {
+		if (un(hSquares))
+			hSquares = 4;
+		if (un(vSquares))
+			vSquares = 4;
+		deselectAllPaths(false);
+		changeDrawMode();
+		var pos = getRelPos([50, 50]);
+		draw.path.unshift({
+			obj: [{
+					type: 'skewGrid',
+					left: pos[0],
+					top: pos[1],
+					hSquares: hSquares,
+					vSquares: vSquares,
+					baseVectors: [[40, 0], [10, 30]],
+					dots: boolean(dotGrid, false),
+					color: draw.color,
+					lineWidth: draw.thickness,
+				}
+			],
+			selected: true,
+			trigger: []
+		});
+		for (var p = 0; p < draw.path.length; p++)
+			updateBorder(draw.path[p]);
+		drawCanvasPaths();
+	},
+	draw: function (ctx, obj, path, backColor, backColorFill) {
+		ctx.strokeStyle = obj.color;
+		ctx.lineWidth = obj.lineWidth;
+		ctx.beginPath();
+		for (var v = 0; v <= obj.vSquares; v++) {
+			ctx.moveTo(obj.left + v * obj.baseVectors[1][0], obj.top + v * obj.baseVectors[1][1]);
+			ctx.lineTo(obj.left + v * obj.baseVectors[1][0] + obj.hSquares * obj.baseVectors[0][0], obj.top + v * obj.baseVectors[1][1] + obj.hSquares * obj.baseVectors[0][1]);
+		}
+		for (var h = 0; h <= obj.hSquares; h++) {
+			ctx.moveTo(obj.left + h * obj.baseVectors[0][0], obj.top + h * obj.baseVectors[0][1]);
+			ctx.lineTo(obj.left + h * obj.baseVectors[0][0] + obj.vSquares * obj.baseVectors[1][0], obj.top + h * obj.baseVectors[0][1] + obj.vSquares * obj.baseVectors[1][1]);
+		}
+		ctx.stroke();
+		if (!un(path) && path.selected == true) {
+			ctx.beginPath();
+
+			ctx.moveTo(obj.left + obj.baseVectors[0][0] + 8, obj.top + obj.baseVectors[0][1]);
+			ctx.arc(obj.left + obj.baseVectors[0][0], obj.top + obj.baseVectors[0][1], 8, 0, 2 * Math.PI);
+
+			ctx.moveTo(obj.left + obj.baseVectors[1][0] + 8, obj.top + obj.baseVectors[1][1]);
+			ctx.arc(obj.left + obj.baseVectors[1][0], obj.top + obj.baseVectors[1][1], 8, 0, 2 * Math.PI);
+
+			ctx.fillStyle = '#F00';
+			ctx.strokeStyle = '#000';
+			ctx.lineWidth = 1;
+			ctx.fill();
+			ctx.stroke();
+		}
+	},
+	getRect: function (obj) {
+		var x1 = obj.baseVectors[0][0] * obj.hSquares;
+		var x2 = obj.baseVectors[1][0] * obj.vSquares;
+		var y1 = obj.baseVectors[0][1] * obj.hSquares;
+		var y2 = obj.baseVectors[1][1] * obj.vSquares;
+
+		var xMin = Math.min(obj.left, obj.left + x1, obj.left + x2, obj.left + x1 + x2);
+		var xMax = Math.max(obj.left, obj.left + x1, obj.left + x2, obj.left + x1 + x2);
+		var yMin = Math.min(obj.top, obj.top + y1, obj.top + y2, obj.top + y1 + y2);
+		var yMax = Math.max(obj.top, obj.top + y1, obj.top + y2, obj.top + y1 + y2);
+
+		return [xMin, yMin, xMax - xMin, yMax - yMin];
+	},
+	getSnapPos: function (obj) {
+		var snapPos = [];
+		var a = clone(obj.baseVectors[0]);
+		var b = clone(obj.baseVectors[1]);
+		var c = [obj.left, obj.top];
+		var d = [obj.left, obj.top];
+		for (var i = 0; i <= obj.hSquares; i++) {
+			for (var j = 0; j <= obj.vSquares; j++) {
+				snapPos.push({
+					type: 'point',
+					pos: clone(d)
+				});
+				d = vector.addVectors(d, b);
+			}
+			c = vector.addVectors(c, a);
+			d = clone(c);
+		}
+		return snapPos;
+	},
+	setLineWidth: function (obj, lineWidth) {
+		obj.lineWidth = lineWidth;
+	},
+	setLineColor: function (obj, color) {
+		obj.color = color;
+	},
+	getLineWidth: function (obj) {
+		return obj.lineWidth;
+	},
+	getLineColor: function (obj) {
+		return obj.color;
+	},
+	getCursorPositionsSelected: function (obj, pathNum) {
+		var a = [obj.left + obj.baseVectors[0][0], obj.top + obj.baseVectors[0][1]];
+		var b = [obj.left + obj.baseVectors[1][0], obj.top + obj.baseVectors[1][1]];
+		return [{
+				shape: 'circle',
+				dims: [a[0], a[1], 10],
+				cursor: draw.cursors.pointer,
+				func: draw.skewGrid.dragBaseVectorStart,
+				obj: obj,
+				vectorIndex: 0,
+				pathNum: pathNum
+			}, {
+				shape: 'circle',
+				dims: [b[0], b[1], 10],
+				cursor: draw.cursors.pointer,
+				func: draw.skewGrid.dragBaseVectorStart,
+				obj: obj,
+				vectorIndex: 1,
+				pathNum: pathNum
+			}
+		];
+	},
+	dragBaseVectorStart: function () {
+		changeDrawMode('skewGridDragBaseVector');
+		draw.drag = {
+			obj: draw.currCursor.obj,
+			pathNum: draw.currCursor.pathNum,
+			vectorIndex: draw.currCursor.vectorIndex
+		};
+		updateSnapPoints();
+		draw.animate(draw.skewGrid.dragBaseVectorMove,draw.skewGrid.dragBaseVectorEnd,drawCanvasPaths);
+		//addListenerMove(window, draw.skewGrid.dragBaseVectorMove);
+		//addListenerEnd(window, draw.skewGrid.dragBaseVectorEnd);
+	},
+	dragBaseVectorMove: function (e) {
+		updateMouse(e);
+		var obj = draw.drag.obj;
+		if (shiftOn == true) {
+			if (draw.mouse[0] - obj.left <= draw.mouse - obj.top) {
+				obj.baseVectors[draw.drag.vectorIndex] = [0, draw.mouse[1] - obj.top];
+			} else {
+				obj.baseVectors[draw.drag.vectorIndex] = [draw.mouse[0] - obj.left, 0];
+			}
+		} else {
+			obj.baseVectors[draw.drag.vectorIndex][0] = draw.mouse[0] - obj.left;
+			obj.baseVectors[draw.drag.vectorIndex][1] = draw.mouse[1] - obj.top;
+		}
+		updateBorder(draw.path[draw.drag.pathNum]);
+		//drawCanvasPaths();
+	},
+	dragBaseVectorEnd: function (e) {
+		delete draw.drag;
+		//removeListenerMove(window, draw.skewGrid.dragBaseVectorMove);
+		//removeListenerEnd(window, draw.skewGrid.dragBaseVectorEnd);
+		changeDrawMode();
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.left += dl;
+		obj.top += dt;
+	},
+	getButtons: function (x1, y1, x2, y2, pathNum) {
+		var buttons = [];
+		buttons.push({
+			buttonType: 'simpleGrid-yPlus',
+			shape: 'rect',
+			dims: [x2 - 20, y1 + 20, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.skewGrid.yPlus,
+			pathNum: pathNum
+		});
+		buttons.push({
+			buttonType: 'simpleGrid-yMinus',
+			shape: 'rect',
+			dims: [x2 - 20, y1 + 40, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.skewGrid.yMinus,
+			pathNum: pathNum
+		});
+		buttons.push({
+			buttonType: 'simpleGrid-xMinus',
+			shape: 'rect',
+			dims: [x1 + 20, y2 - 20, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.skewGrid.xMinus,
+			pathNum: pathNum
+		});
+		buttons.push({
+			buttonType: 'simpleGrid-xPlus',
+			shape: 'rect',
+			dims: [x1 + 40, y2 - 20, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.skewGrid.xPlus,
+			pathNum: pathNum
+		});
+		return buttons;
+	},
+	yPlus: function (path) {
+		if (un(path))
+			path = draw.path[draw.currCursor.pathNum];
+		path.obj[0].vSquares++;
+		updateBorder(path);
+		drawCanvasPaths();
+		drawSelectCanvas();
+	},
+	yMinus: function (path) {
+		if (un(path))
+			path = draw.path[draw.currCursor.pathNum];
+		path.obj[0].vSquares--;
+		updateBorder(path);
+		drawCanvasPaths();
+		drawSelectCanvas();
+	},
+	xPlus: function (path) {
+		if (un(path))
+			path = draw.path[draw.currCursor.pathNum];
+		path.obj[0].hSquares++;
+		updateBorder(path);
+		drawCanvasPaths();
+		drawSelectCanvas();
+	},
+	xMinus: function (path) {
+		if (un(path))
+			path = draw.path[draw.currCursor.pathNum];
+		path.obj[0].hSquares--;
+		updateBorder(path);
+		drawCanvasPaths();
+		drawSelectCanvas();
+	},
+	drawButton: function (ctx, size) {
+		draw.skewGrid.draw(ctx, {
+			type: 'skewGrid',
+			left: 0.15 * size,
+			top: 0.2 * size,
+			hSquares: 3,
+			vSquares: 3,
+			baseVectors: [[0.18 * size, 0], [0.05 * size, 0.18 * size]],
+			dots: false,
+			color: '#000',
+			lineWidth: 0.02 * size,
+		});
+	},
+	scale: function (obj, sf, center) {
+		if (!un(center)) {
+			obj.left = center[0] + sf * (obj.left - center[0]);
+			obj.top = center[1] + sf * (obj.top - center[1]);
+		}
+		obj.baseVectors[0][0] *= sf;
+		obj.baseVectors[0][1] *= sf;
+		obj.baseVectors[1][0] *= sf;
+		obj.baseVectors[1][1] *= sf;
+	}
+};
+draw.simpleGrid = {
+	add: function (hSquares, vSquares, size, dotGrid) {
+		if (un(hSquares))
+			hSquares = 8;
+		if (un(vSquares))
+			vSquares = 8;
+		if (un(size))
+			size = 40;
+		deselectAllPaths(false);
+		changeDrawMode();
+		var pos = getRelPos([50, 50]);
+		draw.path.unshift({
+			obj: [{
+					type: 'simpleGrid',
+					left: pos[0],
+					top: pos[1],
+					width: hSquares * size,
+					height: vSquares * size,
+					xMin: -0.01,
+					xMax: hSquares + 0.01,
+					yMin: -0.01,
+					yMax: vSquares + 0.01,
+					xMajorStep: 1,
+					xMinorStep: 1,
+					yMajorStep: 1,
+					yMinorStep: 1,
+					showLabels: false,
+					showScales: false,
+					dots: boolean(dotGrid, false),
+					showGrid: !boolean(dotGrid, false),
+					showAxes: false,
+					showBorder: false,
+					color: draw.color,
+					thickness: draw.thickness,
+					xZero: 0,
+					yZero: vSquares * size,
+					hSquares: hSquares,
+					vSquares: vSquares,
+				}
+			],
+			selected: true,
+			trigger: []
+		});
+		for (var p = 0; p < draw.path.length; p++)
+			updateBorder(draw.path[p]);
+		drawCanvasPaths();
+	},
+	draw: function (ctx, obj, path, backColor, backColorFill) {
+		draw.grid.draw(ctx, obj, path, backColor, backColorFill);
+	},
+	getRect: function (obj) {
+		var ctx = draw.hiddenCanvas.ctx;
+		ctx.clearRect(0, 0, 10000, 10000);
+		obj.labelBorder = drawGrid3(ctx, 0, 0, obj).labelBorder;
+		return obj.labelBorder;
+	},
+	getButtons: function (x1, y1, x2, y2, pathNum) {
+		var buttons = [];
+		buttons.push({
+			buttonType: 'simpleGrid-yPlus',
+			shape: 'rect',
+			dims: [x2 - 20, y1 + 20, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.simpleGrid.yPlus,
+			pathNum: pathNum
+		});
+		buttons.push({
+			buttonType: 'simpleGrid-yMinus',
+			shape: 'rect',
+			dims: [x2 - 20, y1 + 40, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.simpleGrid.yMinus,
+			pathNum: pathNum
+		});
+		buttons.push({
+			buttonType: 'simpleGrid-xMinus',
+			shape: 'rect',
+			dims: [x1 + 20, y2 - 20, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.simpleGrid.xMinus,
+			pathNum: pathNum
+		});
+		buttons.push({
+			buttonType: 'simpleGrid-xPlus',
+			shape: 'rect',
+			dims: [x1 + 40, y2 - 20, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.simpleGrid.xPlus,
+			pathNum: pathNum
+		});
+
+		buttons.push({
+			buttonType: 'grid-interact',
+			shape: 'rect',
+			dims: [(x1 + x2) / 2 - 50, y1, 100, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.grid.toggleInteract,
+			pathNum: pathNum,
+			draw: function (path, ctx, l, t, w, h) {
+				if (!un(path.interact) && path.interact.type == 'grid') {
+					ctx.fillStyle = '#F90';
+					ctx.fillRect(l, t, w, h);
+					text({
+						ctx: ctx,
+						align: [0, 0],
+						rect: [l, t, w, h],
+						text: ['<<fontSize:14>>interact: grid']
+					});
+				} else {
+					ctx.strokeStyle = '#F90';
+					ctx.lineWidth = 2;
+					ctx.strokeRect(l, t, w, h);
+					text({
+						ctx: ctx,
+						align: [0, 0],
+						rect: [l, t, w, h],
+						text: ['<<fontSize:14>>interact: none']
+					});
+				}
+			}
+		});
+
+		var path = draw.path[pathNum];
+		if (!un(path) && path.obj.length == 1) {
+			var obj = path.obj[0];
+			if (draw.mode == 'edit') {
+				buttons.push({
+					buttonType: 'grid-plot',
+					shape: 'rect',
+					dims: [x2, y1 + 60, 40, 40],
+					cursor: draw.cursors.pointer,
+					func: draw.grid.changeInteractMode,
+					pathNum: pathNum,
+					obj: obj,
+					mode: 'plot'
+				}, {
+					buttonType: 'grid-lineSegment',
+					shape: 'rect',
+					dims: [x2, y1 + 100, 40, 40],
+					cursor: draw.cursors.pointer,
+					func: draw.grid.changeInteractMode,
+					pathNum: pathNum,
+					obj: obj,
+					mode: 'lineSegment'
+				}, {
+					buttonType: 'grid-line',
+					shape: 'rect',
+					dims: [x2, y1 + 140, 40, 40],
+					cursor: draw.cursors.pointer,
+					func: draw.grid.changeInteractMode,
+					pathNum: pathNum,
+					obj: obj,
+					mode: 'line'
+				}, {
+					buttonType: 'grid-undo',
+					shape: 'rect',
+					dims: [x2, y1 + 180, 40, 40],
+					cursor: draw.cursors.pointer,
+					func: draw.grid.undo,
+					pathNum: pathNum,
+					obj: obj
+				}, {
+					buttonType: 'grid-clear',
+					shape: 'rect',
+					dims: [x2, y1 + 220, 40, 40],
+					cursor: draw.cursors.pointer,
+					func: draw.grid.clear,
+					pathNum: pathNum,
+					obj: obj
+				});
+			}
+		}
+
+		return buttons;
+	},
+	yPlus: function (path) {
+		if (un(path))
+			path = draw.path[draw.currCursor.pathNum];
+		var obj = path.obj[0];
+		var size = obj.height / obj.vSquares;
+		obj.vSquares++;
+		obj.height += size;
+		obj.yMax = obj.vSquares + 0.01;
+		updateBorder(path);
+		drawCanvasPaths();
+		drawSelectCanvas();
+	},
+	yMinus: function (path) {
+		if (un(path))
+			path = draw.path[draw.currCursor.pathNum];
+		var obj = path.obj[0];
+		if (obj.vSquares == 1)
+			return;
+		var size = obj.height / obj.vSquares;
+		obj.vSquares--;
+		obj.height -= size;
+		obj.yMax = obj.vSquares + 0.01;
+		updateBorder(path);
+		drawCanvasPaths();
+		drawSelectCanvas();
+	},
+	xPlus: function (path) {
+		if (un(path))
+			path = draw.path[draw.currCursor.pathNum];
+		var obj = path.obj[0];
+		var size = obj.width / obj.hSquares;
+		obj.hSquares++;
+		obj.width += size;
+		obj.xMax = obj.hSquares + 0.01;
+		updateBorder(path);
+		drawCanvasPaths();
+		drawSelectCanvas();
+	},
+	xMinus: function (path) {
+		if (un(path))
+			path = draw.path[draw.currCursor.pathNum];
+		var obj = path.obj[0];
+		if (obj.hSquares == 1)
+			return;
+		var size = obj.width / obj.hSquares;
+		obj.hSquares--;
+		obj.width -= size;
+		obj.xMax = obj.hSquares + 0.01;
+		updateBorder(path);
+		drawCanvasPaths();
+		drawSelectCanvas();
+	},
+	drawButton: function (ctx, size) {
+		ctx.strokeStyle = '#000';
+		ctx.lineWidth = 0.02 * size;
+		ctx.beginPath();
+		for (var i = 0; i < 5; i++) {
+			ctx.moveTo(0.2 * size, 0.2 * size + i * 0.15 * size);
+			ctx.lineTo(0.8 * size, 0.2 * size + i * 0.15 * size);
+			ctx.moveTo(0.2 * size + i * 0.15 * size, 0.2 * size);
+			ctx.lineTo(0.2 * size + i * 0.15 * size, 0.8 * size);
+		}
+		ctx.stroke();
+	},
+	scale: function (obj, sf, center) {
+		if (!un(center)) {
+			obj.left = center[0] + sf * (obj.left - center[0]);
+			obj.top = center[1] + sf * (obj.top - center[1]);
+		}
+		obj.width *= sf;
+		obj.height *= sf;
+	},
+	getCursorPositionsSelected: function (obj, pathNum) {
+		return draw.grid.getCursorPositionsSelected(obj, pathNum);
+	},
+	getCursorPositionsInteract: function (obj, path, pathNum) {
+		return draw.grid.getCursorPositionsInteract(obj, path, pathNum);
+	}
+};
+draw.dotGrid = {
+	add: function () {
+		draw.simpleGrid.add(undefined, undefined, undefined, true);
+	},
+	drawButton: function (ctx, size) {
+		ctx.beginPath();
+		ctx.fillStyle = '#000';
+		for (var i = 0; i < 5; i++) {
+			for (var j = 0; j < 5; j++) {
+				ctx.beginPath();
+				ctx.arc(0.2 * size + i * 0.15 * size, 0.2 * size + j * 0.15 * size, 0.02 * size, 0, 2 * Math.PI);
+				ctx.fill();
+			}
+		}
+	},
+	scale: function (obj, sf, center) {
+		if (!un(center)) {
+			obj.left = center[0] + sf * (obj.left - center[0]);
+			obj.top = center[1] + sf * (obj.top - center[1]);
+		}
+		obj.width *= sf;
+		obj.height *= sf;
+	}
+};
+draw.numberline = {
+	resizable: true,
+	add: function () {
+		deselectAllPaths();
+		var obj = {
+			type: 'numberline',
+			rect: [100, 100 - draw.drawRelPos[1], 500, 60],
+			min: -5,
+			max: 5,
+			minorStep: 0.5,
+			majorStep: 1,
+			minorColor: '#000',
+			majorColor: '#000',
+			lineWidth: 4,
+			lineColor: '#000',
+			backColor: '#FFF',
+			majorWidth: 2,
+			minorWidth: 1.2,
+			minorYPos: [0.5, 0.65],
+			majorYPos: [0.3, 0.7],
+			font: 'Arial',
+			fontSize: 24,
+			arrows: 30
+		};
+		draw.path.push({
+			obj: [obj],
+			selected: true
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+	},
+	draw: function (ctx, obj) {
+		obj.ctx = ctx;
+		drawNumberLine2(obj);
+		delete obj.ctx;
+	},
+	getRect: function (obj) {
+		var rect = clone(obj.rect);
+		if (boolean(obj.vertical) == true) {
+			rect[0] -= 10;
+			rect[2] += 20;
+		} else {
+			rect[1] -= 10;
+			rect[3] += 20;
+		}
+
+		rect = rect.concat([rect[0] + rect[2], rect[1] + rect[3]]);
+		return rect;
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.rect[0] += dl;
+		obj.rect[1] += dt;
+		if (obj.vertical == true) {
+			obj.rect[3] += dh;
+		} else {
+			obj.rect[2] += dw;
+		}
+	},
+	getCursorPositionsUnselected: function (obj, pathNum) {
+		return [{
+				shape: 'rect',
+				dims: obj.rect,
+				cursor: draw.cursors.pointer,
+				func: drawClickSelect,
+				obj: obj,
+				pathNum: pathNum,
+				highlight: -1
+			}
+		];
+	},
+	getSnapPos: function (obj) {
+		var snapPos = [];
+		var left = obj.rect[0];
+		var top = obj.rect[1];
+		var width = obj.rect[2];
+		var height = obj.rect[3];
+
+		if (boolean(obj.vertical == true)) {
+			var x0 = left + 0.5 * width;
+
+			if (typeof obj.arrows == 'number') {
+				snapPos.push({
+					type: 'point',
+					pos: [x0, obj.rect[1]]
+				});
+				snapPos.push({
+					type: 'point',
+					pos: [x0, obj.rect[1] + obj.rect[3]]
+				});
+				top += obj.arrows;
+				height -= 2 * obj.arrows;
+			}
+
+			var y0 = top - (obj.min * height) / (obj.max - obj.min);
+
+			var minorSpacing = (height * obj.minorStep) / (obj.max - obj.min);
+			var yAxisPoint = y0;
+			while (Math.round(yAxisPoint) <= Math.round(top + height)) {
+				if (Math.round(yAxisPoint) >= Math.round(top)) {
+					snapPos.push({
+						type: 'point',
+						pos: [x0, yAxisPoint]
+					});
+				}
+				yAxisPoint += minorSpacing;
+			}
+			var yAxisPoint = y0 - minorSpacing;
+			while (Math.round(yAxisPoint) >= Math.round(top)) {
+				if (Math.round(yAxisPoint) <= Math.round(top + height)) {
+					snapPos.push({
+						type: 'point',
+						pos: [x0, yAxisPoint]
+					});
+				}
+				yAxisPoint -= minorSpacing;
+			}
+
+			var majorSpacing = (height * obj.majorStep) / (obj.max - obj.min);
+			var yAxisPoint = y0;
+			while (Math.round(yAxisPoint) <= Math.round(top + height)) {
+				if (Math.round(yAxisPoint) >= Math.round(top)) {
+					snapPos.push({
+						type: 'point',
+						pos: [x0, yAxisPoint]
+					});
+				}
+				yAxisPoint += majorSpacing;
+			}
+			var yAxisPoint = y0 - majorSpacing;
+			while (Math.round(yAxisPoint) >= Math.round(top)) {
+				if (Math.round(yAxisPoint) <= Math.round(top + height)) {
+					snapPos.push({
+						type: 'point',
+						pos: [x0, yAxisPoint]
+					});
+				}
+				yAxisPoint -= majorSpacing;
+			}
+		} else {
+			var y0 = top + 0.5 * height;
+
+			if (typeof obj.arrows == 'number') {
+				snapPos.push({
+					type: 'point',
+					pos: [obj.rect[0], y0]
+				});
+				snapPos.push({
+					type: 'point',
+					pos: [obj.rect[0] + obj.rect[2], y0]
+				});
+				left += obj.arrows;
+				width -= 2 * obj.arrows;
+			}
+
+			var x0 = left - (obj.min * width) / (obj.max - obj.min);
+
+			var minorSpacing = (width * obj.minorStep) / (obj.max - obj.min);
+			var xAxisPoint = x0;
+			while (Math.round(xAxisPoint) <= Math.round(left + width)) {
+				if (Math.round(xAxisPoint) >= Math.round(left)) {
+					snapPos.push({
+						type: 'point',
+						pos: [xAxisPoint, y0]
+					});
+				}
+				xAxisPoint += minorSpacing;
+			}
+			var xAxisPoint = x0 - minorSpacing;
+			while (Math.round(xAxisPoint) >= Math.round(left)) {
+				if (Math.round(xAxisPoint) <= Math.round(left + width)) {
+					snapPos.push({
+						type: 'point',
+						pos: [xAxisPoint, y0]
+					});
+				}
+				xAxisPoint -= minorSpacing;
+			}
+
+			var majorSpacing = (width * obj.majorStep) / (obj.max - obj.min);
+			var xAxisPoint = x0;
+			while (Math.round(xAxisPoint) <= Math.round(left + width)) {
+				if (Math.round(xAxisPoint) >= Math.round(left)) {
+					snapPos.push({
+						type: 'point',
+						pos: [xAxisPoint, y0]
+					});
+				}
+				xAxisPoint += majorSpacing;
+			}
+			var xAxisPoint = x0 - majorSpacing;
+			while (Math.round(xAxisPoint) >= Math.round(left)) {
+				if (Math.round(xAxisPoint) <= Math.round(left + width)) {
+					snapPos.push({
+						type: 'point',
+						pos: [xAxisPoint, y0]
+					});
+				}
+				xAxisPoint -= majorSpacing;
+			}
+		}
+
+		return snapPos;
+	},
+	setLineWidth: function (obj, lineWidth) {
+		obj.lineWidth = lineWidth;
+		obj.majorWidth = lineWidth * (2 / 4);
+		obj.minorWidth = lineWidth * (1.2 / 4);
+	},
+	setLineColor: function (obj, color) {
+		obj.lineColor = color;
+		obj.majorColor = color;
+		obj.minorColor = color;
+	},
+	getLineWidth: function (obj) {
+		return obj.lineWidth;
+	},
+	getLineColor: function (obj) {
+		return obj.lineColor;
+	},
+	toggleHorizVert: function () {
+		if (!un(draw.currCursor) && !un(draw.currCursor.pathNum)) {
+			var obj = draw.path[draw.currCursor.pathNum].obj[0];
+		} else {
+			var obj = sel();
+		}
+		if (obj == false)
+			return;
+
+		if (boolean(obj.vertical) == true) {
+			delete obj.vertical;
+			obj.rect = [obj.rect[0], obj.rect[1], Math.max(obj.rect[2], obj.rect[3]), Math.min(obj.rect[2], obj.rect[3])];
+			obj.minorYPos = [0.5, 0.65];
+		} else {
+			obj.vertical = true;
+			obj.rect = [obj.rect[0], obj.rect[1], Math.min(obj.rect[2], obj.rect[3]), Math.max(obj.rect[2], obj.rect[3])];
+			obj.minorYPos = [0.35, 0.65];
+		}
+		updateBorder(selPath());
+		drawCanvasPaths();
+	},
+	toggleScale: function () {
+		if (!un(draw.currCursor) && !un(draw.currCursor.pathNum)) {
+			var obj = draw.path[draw.currCursor.pathNum].obj[0];
+		} else {
+			var obj = sel();
+		}
+		if (obj == false)
+			return;
+
+		if (obj.showScales === false) {
+			delete obj.showScales;
+		} else {
+			obj.showScales = false;
+		}
+		updateBorder(selPath());
+		drawCanvasPaths();
+	},
+	toggleMinorPos: function () {
+		if (!un(draw.currCursor) && !un(draw.currCursor.pathNum)) {
+			var obj = draw.path[draw.currCursor.pathNum].obj[0];
+		} else {
+			var obj = sel();
+		}
+		if (obj == false)
+			return;
+
+		if (obj.showMinorPos === false) {
+			delete obj.showMinorPos;
+		} else {
+			obj.showMinorPos = false;
+		}
+		updateBorder(selPath());
+		drawCanvasPaths();
+	},
+	toggleArrows: function () {
+		if (!un(draw.currCursor) && !un(draw.currCursor.pathNum)) {
+			var obj = draw.path[draw.currCursor.pathNum].obj[0];
+		} else {
+			var obj = sel();
+		}
+		if (obj == false)
+			return;
+
+		if (typeof obj.arrows == 'number') {
+			delete obj.arrows;
+		} else {
+			obj.arrows = 30;
+		}
+		updateBorder(selPath());
+		drawCanvasPaths();
+	},
+	getButtons: function (x1, y1, x2, y2, pathNum) {
+		var buttons = [];
+		if (un(draw.path[pathNum])) return [];
+		var obj = draw.path[pathNum].obj[0];
+
+		var dims = obj.vertical == true ? [x1, y1 + 60, 20, 20] : [x1 + 60, y1, 20, 20];
+		var button = {
+			buttonType: 'numberline-toggleHorizVert',
+			shape: 'rect',
+			dims: dims,
+			cursor: draw.cursors.pointer,
+			func: draw.numberline.toggleHorizVert,
+			pathNum: pathNum
+		};
+		button.draw = function (path, ctx, l, t, w, h) {
+			ctx.fillStyle = colorA('#F96', 0.5);
+			ctx.fillRect(l, t, w, h);
+			ctx.strokeStyle = colorA('#000', 0.5);
+			ctx.strokeRect(l, t, w, h);
+			ctx.beginPath();
+			if (boolean(path.obj[0].vertical, false) == true) {
+				ctx.moveTo(l + 0.5 * w, t + 0.15 * h);
+				ctx.lineTo(l + 0.5 * w, t + 0.85 * h);
+				for (var i = 0; i < 4; i++) {
+					ctx.moveTo(l + 0.4 * w, t + (0.15 + (0.7 / 3) * i) * h);
+					ctx.lineTo(l + 0.6 * w, t + (0.15 + (0.7 / 3) * i) * h);
+				}
+			} else {
+				ctx.moveTo(l + 0.15 * w, t + 0.5 * h);
+				ctx.lineTo(l + 0.85 * w, t + 0.5 * h);
+				for (var i = 0; i < 4; i++) {
+					ctx.moveTo(l + (0.15 + (0.7 / 3) * i) * w, t + 0.4 * h);
+					ctx.lineTo(l + (0.15 + (0.7 / 3) * i) * w, t + 0.6 * h);
+				}
+			}
+			ctx.stroke();
+		}
+		buttons.push(button);
+
+		var dims = obj.vertical == true ? [x1, y1 + 80, 20, 20] : [x1 + 80, y1, 20, 20];
+		var button = {
+			buttonType: 'numberline-toggleScale',
+			shape: 'rect',
+			dims: dims,
+			cursor: draw.cursors.pointer,
+			func: draw.numberline.toggleScale,
+			pathNum: pathNum
+		};
+		button.draw = function (path, ctx, l, t, w, h) {
+			if (boolean(path.obj[0].showScales, true) == true) {
+				ctx.fillStyle = colorA('#F96', 0.5);
+				ctx.fillRect(l, t, w, h);
+			}
+			ctx.strokeStyle = colorA('#000', 0.5);
+			ctx.strokeRect(l, t, w, h);
+			text({
+				ctx: ctx,
+				textArray: ['<<fontSize:' + (w / 2) + '>>123'],
+				left: l,
+				top: t,
+				width: w,
+				height: h,
+				textAlign: 'center',
+				vertAlign: 'middle'
+			});
+		}
+		buttons.push(button);
+
+		var dims = obj.vertical == true ? [x1, y1 + 100, 20, 20] : [x1 + 100, y1, 20, 20];
+		var button = {
+			buttonType: 'numberline-toggleMinorPos',
+			shape: 'rect',
+			dims: dims,
+			cursor: draw.cursors.pointer,
+			func: draw.numberline.toggleMinorPos,
+			pathNum: pathNum
+		};
+		button.draw = function (path, ctx, l, t, w, h) {
+			if (boolean(path.obj[0].showMinorPos, true) == true) {
+				ctx.fillStyle = colorA('#F96', 0.5);
+				ctx.fillRect(l, t, w, h);
+			}
+			ctx.strokeStyle = colorA('#000', 0.5);
+			ctx.strokeRect(l, t, w, h);
+			text({
+				ctx: ctx,
+				textArray: ['<<fontSize:' + (w / 2) + '>>min'],
+				left: l,
+				top: t,
+				width: w,
+				height: h,
+				textAlign: 'center',
+				vertAlign: 'middle'
+			});
+		}
+		buttons.push(button);
+
+		var dims = obj.vertical == true ? [x1, y1 + 120, 20, 20] : [x1 + 120, y1, 20, 20];
+		var button = {
+			buttonType: 'numberline-toggleArrows',
+			shape: 'rect',
+			dims: dims,
+			cursor: draw.cursors.pointer,
+			func: draw.numberline.toggleArrows,
+			pathNum: pathNum
+		};
+		button.draw = function (path, ctx, l, t, w, h) {
+			if (typeof path.obj[0].arrows == 'number') {
+				ctx.fillStyle = colorA('#F96', 0.5);
+				ctx.fillRect(l, t, w, h);
+			}
+			ctx.strokeStyle = colorA('#000', 0.5);
+			ctx.strokeRect(l, t, w, h);
+			drawArrow({
+				ctx: ctx,
+				startX: l + 0.2 * w,
+				startY: t + 0.5 * h,
+				finX: l + 0.8 * w,
+				finY: t + 0.5 * h,
+				doubleEnded: true,
+				color: '#000',
+				lineWidth: 1,
+				fillArrow: true,
+				arrowLength: 5
+			});
+		}
+		buttons.push(button);
+
+		return buttons;
+	},
+	/*drawButton: function() {
+	var l = 0;
+	var t = 0;
+	var w = draw.buttonSize;
+	var h = draw.buttonSize;
+	var ctx = this.ctx;
+
+	roundedRect(ctx,3,3,w-6,h-6,8,6,'#000',draw.buttonColor);
+
+	ctx.strokeStyle = draw.color;
+	ctx.lineWidth = 2*(w/55);
+	ctx.lineCap = 'round';
+	ctx.lineJoin = 'round';
+
+	ctx.save();
+	ctx.beginPath();
+	ctx.moveTo(l+0.15*w,t+0.5*h);
+	ctx.lineTo(l+0.85*w,t+0.5*h);
+	for (var i = 0; i < 4; i++) {
+	ctx.moveTo(l+(0.15+(0.7/3)*i)*w,t+0.4*h);
+	ctx.lineTo(l+(0.15+(0.7/3)*i)*w,t+0.6*h);
+	}
+	ctx.stroke();
+	ctx.restore();
+	},*/
+	drawButton: function (ctx, size) {
+		ctx.strokeStyle = '#000';
+		ctx.lineWidth = 0.03 * size;
+
+		ctx.beginPath();
+		ctx.moveTo(0.15 * size, 0.5 * size);
+		ctx.lineTo(0.85 * size, 0.5 * size);
+		for (var i = 0; i < 4; i++) {
+			ctx.moveTo((0.15 + (0.7 / 3) * i) * size, 0.4 * size);
+			ctx.lineTo((0.15 + (0.7 / 3) * i) * size, 0.6 * size);
+		}
+		ctx.stroke();
+	},
+	scale: function (obj, sf, center) {
+		if (!un(center)) {
+			obj.rect[0] = center[0] + sf * (obj.rect[0] - center[0]);
+			obj.rect[1] = center[1] + sf * (obj.rect[1] - center[1]);
+		}
+		obj.rect[2] *= sf;
+		obj.rect[3] *= sf;
+		if (!un(obj.lineWidth))
+			obj.lineWidth *= sf;
+		if (!un(obj.majorWidth))
+			obj.majorWidth *= sf;
+		if (!un(obj.minorWidth))
+			obj.minorWidth *= sf;
+		if (!un(obj.fontSize))
+			obj.fontSize *= sf;
+		if (!un(obj.arrows))
+			obj.arrows *= sf;
+	}
+};
+draw.isoDotGrid = {
+	resizable: true,
+	add: function () {
+		deselectAllPaths(false);
+		changeDrawMode();
+		var pos = getRelPos([50, 50]);
+		draw.path.unshift({
+			obj: [{
+					type: 'isoDotGrid',
+					left: pos[0],
+					top: pos[1],
+					width: 400,
+					height: 400,
+					spacingFactor: 15,
+					color: draw.color,
+					radius: draw.thickness * 2,
+				}
+			],
+			selected: true,
+			trigger: []
+		});
+		for (var p = 0; p < draw.path.length; p++)
+			updateBorder(draw.path[p]);
+		drawCanvasPaths();
+	},
+	draw: function (ctx, obj) {
+		obj.ctx = ctx;
+		obj._snapPos = drawIsometricDotty(obj);
+		delete obj.ctx;
+	},
+	getRect: function (obj) {
+		return [obj.left, obj.top, obj.width, obj.height, obj.left + obj.width, obj.top + obj.height];
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.left += dl;
+		obj.top += dt;
+		obj.width += dw;
+		obj.height += dh;
+	},
+	getCursorPositionsUnselected: function (obj, pathNum) {
+		return [{
+				shape: 'rect',
+				dims: [obj.left, obj.top, obj.width, obj.height],
+				cursor: draw.cursors.pointer,
+				func: drawClickSelect,
+				obj: obj,
+				pathNum: pathNum,
+				highlight: -1
+			}
+		];
+	},
+	getButtons: function (x1, y1, x2, y2, pathNum) {
+		var buttons = [];
+		if (un(draw.path[pathNum]))
+			return [];
+		var obj = draw.path[pathNum].obj[0];
+
+		var dims = [x2 - 20, y1 + 20, 20, 20];
+		var button = {
+			buttonType: 'isoDotGrid-switchDirection',
+			shape: 'rect',
+			dims: dims,
+			cursor: draw.cursors.pointer,
+			func: draw.isoDotGrid.switchDirection,
+			pathNum: pathNum,
+			obj: obj
+		};
+		button.draw = function (path, ctx, l, t, w, h) {
+			ctx.fillStyle = colorA('#F90', 0.5);
+			ctx.fillRect(l, t, w, h);
+
+			drawArrow({
+				ctx: ctx,
+				startX: l + 0.8 * w,
+				startY: t + 0.2 * h,
+				finX: l + 0.2 * w,
+				finY: t + 0.8 * h,
+				arrowLength: 4,
+				color: '#000',
+				lineWidth: 2,
+				fillArrow: true,
+				doubleEnded: false,
+				angleBetweenLinesRads: 0.7
+			});
+
+			drawArrow({
+				ctx: ctx,
+				finX: l + 0.8 * w,
+				finY: t + 0.2 * h,
+				startX: l + 0.2 * w,
+				startY: t + 0.8 * h,
+				arrowLength: 4,
+				color: '#000',
+				lineWidth: 2,
+				fillArrow: true,
+				doubleEnded: false,
+				angleBetweenLinesRads: 0.7
+			});
+
+		}
+		buttons.push(button);
+
+		var dims = [x2 - 20, y1 + 40, 20, 20];
+		var button = {
+			buttonType: 'isoDotGrid-spacingFactorPlus',
+			shape: 'rect',
+			dims: dims,
+			cursor: draw.cursors.pointer,
+			func: draw.isoDotGrid.spacingFactorPlus,
+			pathNum: pathNum,
+			obj: obj
+		};
+		button.draw = function (path, ctx, l, t, w, h) {
+			ctx.strokeStyle = '#000';
+			ctx.fillStyle = colorA('#F6F', 0.5);
+			ctx.fillRect(l, t, w, h);
+			ctx.beginPath();
+			ctx.moveTo(l + 0.3 * w, t + 0.5 * h);
+			ctx.lineTo(l + 0.7 * w, t + 0.5 * h);
+			ctx.moveTo(l + 0.5 * w, t + 0.3 * h);
+			ctx.lineTo(l + 0.5 * w, t + 0.7 * h);
+			ctx.stroke();
+		}
+		buttons.push(button);
+
+		var dims = [x2 - 20, y1 + 60, 20, 20];
+		var button = {
+			buttonType: 'isoDotGrid-spacingFactorMinus',
+			shape: 'rect',
+			dims: dims,
+			cursor: draw.cursors.pointer,
+			func: draw.isoDotGrid.spacingFactorMinus,
+			pathNum: pathNum,
+			obj: obj
+		};
+		button.draw = function (path, ctx, l, t, w, h) {
+			ctx.strokeStyle = '#000';
+			ctx.fillStyle = colorA('#F6F', 0.5);
+			ctx.fillRect(l, t, w, h);
+			ctx.beginPath();
+			ctx.moveTo(l + 0.3 * w, t + 0.5 * h);
+			ctx.lineTo(l + 0.7 * w, t + 0.5 * h);
+			ctx.stroke();
+		}
+		buttons.push(button);
+
+		return buttons;
+	},
+	switchDirection: function () {
+		var obj = draw.currCursor.obj;
+		obj.direction = obj.direction == 1 ? 0 : 1;
+		drawCanvasPaths();
+	},
+	spacingFactorPlus: function () {
+		var obj = draw.currCursor.obj;
+		obj.spacingFactor++;
+		drawCanvasPaths();
+	},
+	spacingFactorMinus: function () {
+		var obj = draw.currCursor.obj;
+		obj.spacingFactor = Math.max(obj.spacingFactor - 1, 5);
+		drawCanvasPaths();
+	},
+	getSnapPos: function (obj) {
+		var snapPos = [];
+		for (var p = 0; p < obj._snapPos.length; p++)
+			snapPos.push({
+				type: 'point',
+				pos: obj._snapPos[p]
+			});
+		return snapPos;
+	},
+	setLineWidth: function (obj, lineWidth) {
+		obj.radius = lineWidth;
+	},
+	setLineColor: function (obj, color) {
+		obj.color = color;
+	},
+	setFillColor: function (obj, color) {
+		obj.color = color;
+	},
+	setRadius: function (obj, radius) {
+		obj.radius = radius;
+	},
+	getLineWidth: function (obj) {
+		return obj.radius;
+	},
+	getLineColor: function (obj) {
+		return obj.color;
+	},
+	getFillColor: function (obj) {
+		return obj.color;
+	},
+	getRadius: function (obj) {
+		return obj.radius;
+	},
+	drawButton: function (ctx, size) {
+		drawIsometricDotty({
+			ctx: ctx,
+			left: 0.15 * size,
+			top: 0.15 * size,
+			width: 0.7 * size,
+			height: 0.7 * size,
+			spacingFactor: 0.04 * size,
+			color: '#000',
+			radius: 0.02 * size
+		});
+	},
+	scale: function (obj, sf, center) {
+		if (!un(center)) {
+			obj.left = center[0] + sf * (obj.left - center[0]);
+			obj.top = center[1] + sf * (obj.top - center[1]);
+		}
+		obj.width *= sf;
+		obj.height *= sf;
+		if (!un(obj.spacingFactor))
+			obj.spacingFactor *= sf;
+		if (!un(obj.radius))
+			obj.radius *= sf;
+	}
+
+};
+draw.cylinder = {
+	resizable: true,
+	add: function () {
+		deselectAllPaths(false);
+		changeDrawMode();
+		var pos = getRelPos([200, 100]);
+		draw.path.push({
+			obj: [{
+					type: 'cylinder',
+					center: pos,
+					radiusX: 100,
+					radiusY: 33,
+					height: 200,
+					color: draw.color,
+					thickness: draw.thickness
+				}
+			],
+			selected: true,
+			trigger: []
+		});
+		for (var p = 0; p < draw.path.length; p++)
+			updateBorder(draw.path[p]);
+		drawCanvasPaths();
+	},
+	draw: function (ctx, obj, path) {
+		if (obj.radiusX <= 0 || obj.radiusY <= 0)
+			return;
+		ctx.save();
+		ctx.strokeStyle = obj.color;
+		ctx.lineWidth = obj.thickness;
+		if (typeof ctx.setLineDash !== 'function')
+			ctx.setLineDash = function () {};
+
+		ctx.setLineDash([5, 5]);
+		ctx.beginPath();
+		ctx.moveTo(obj.center[0] - obj.radiusX, obj.center[1] + obj.height);
+		ctx.ellipse(obj.center[0], obj.center[1] + obj.height, obj.radiusX, obj.radiusY, 0, Math.PI, 2 * Math.PI);
+		ctx.stroke();
+
+		var dash = !un(obj.dash) ? obj.dash : [];
+		ctx.setLineDash(dash);
+
+		ctx.beginPath();
+		ctx.moveTo(obj.center[0] + obj.radiusX, obj.center[1]);
+		ctx.ellipse(obj.center[0], obj.center[1], obj.radiusX, obj.radiusY, 0, 0, 2 * Math.PI);
+
+		ctx.moveTo(obj.center[0] + obj.radiusX, obj.center[1]);
+		ctx.lineTo(obj.center[0] + obj.radiusX, obj.center[1] + obj.height);
+
+		ctx.moveTo(obj.center[0] - obj.radiusX, obj.center[1]);
+		ctx.lineTo(obj.center[0] - obj.radiusX, obj.center[1] + obj.height);
+
+		ctx.moveTo(obj.center[0] + obj.radiusX, obj.center[1] + obj.height);
+		ctx.ellipse(obj.center[0], obj.center[1] + obj.height, obj.radiusX, obj.radiusY, 0, 0, Math.PI);
+		ctx.stroke();
+
+		ctx.setLineDash([]);
+
+		/*if (!un(path) && path.selected == true) {
+		ctx.lineWidth = 1;
+		ctx.strokeStyle = '#000';
+		ctx.fillStyle = '#F00';
+		ctx.beginPath();
+		ctx.arc(obj.center[0]+obj.radiusX*Math.cos(obj.angle1),obj.center[1]+obj.radiusY*Math.sin(obj.angle1),8,0,2*Math.PI);
+		ctx.fill();
+		ctx.stroke();
+		ctx.beginPath();
+		ctx.arc(obj.center[0]+obj.radiusX*Math.cos(obj.angle2),obj.center[1]+obj.radiusY*Math.sin(obj.angle2),8,0,2*Math.PI);
+		ctx.fill();
+		ctx.stroke();
+		}*/
+
+		ctx.restore();
+	},
+	getRect: function (obj) {
+		return [obj.center[0] - obj.radiusX, obj.center[1] - obj.radiusY, 2 * obj.radiusX, obj.height + 2 * obj.radiusY];
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.center[0] += dl + 0.5 * dw;
+		obj.center[1] += dt;
+		obj.radiusX += 0.5 * dw;
+		var frac = obj.height / (obj.height + 2 * obj.radiusY);
+		obj.height += frac * dh;
+		obj.radiusY += (1 - frac) * dh;
+	},
+	drawButton: function (ctx, size) {
+		draw.cylinder.draw(ctx, {
+			center: [0.5 * size, 0.25 * size],
+			radiusX: 0.25 * size,
+			radiusY: 0.1 * size,
+			height: 0.45 * size,
+			color: '#000',
+			thickness: size * 0.02
+		});
+	},
+	scale: function (obj, sf, center) {
+		if (!un(center)) {
+			obj.center[0] = center[0] + sf * (obj.center[0] - center[0]);
+			obj.center[1] = center[1] + sf * (obj.center[1] - center[1]);
+		}
+		if (!un(obj.radiusX))
+			obj.radiusX *= sf;
+		if (!un(obj.radiusY))
+			obj.radiusY *= sf;
+		if (!un(obj.height))
+			obj.height *= sf;
+		if (!un(obj.thickness))
+			obj.thickness *= sf;
+	}
+}
+draw.cone = {
+	resizable: true,
+	add: function () {
+		deselectAllPaths(false);
+		changeDrawMode();
+		draw.path.push({
+			obj: [{
+					type: 'cone',
+					center: getRelPos([200, 100]),
+					radiusX: 100,
+					radiusY: 33,
+					height: 200,
+					color: draw.color,
+					thickness: draw.thickness
+				}
+			],
+			selected: true,
+			trigger: []
+		});
+		for (var p = 0; p < draw.path.length; p++)
+			updateBorder(draw.path[p]);
+		drawCanvasPaths();
+	},
+	draw: function (ctx, obj, path) {
+		if (obj.radiusX <= 0 || obj.radiusY <= 0)
+			return;
+		ctx.save();
+		ctx.strokeStyle = obj.color;
+		ctx.lineWidth = obj.thickness;
+		if (typeof ctx.setLineDash !== 'function')
+			ctx.setLineDash = function () {};
+
+		ctx.setLineDash([5, 5]);
+		ctx.beginPath();
+		ctx.ellipse(obj.center[0], obj.center[1] + obj.height, obj.radiusX, obj.radiusY, 0, Math.PI, 2 * Math.PI);
+		ctx.stroke();
+
+		var dash = !un(obj.dash) ? obj.dash : [];
+		ctx.setLineDash(dash);
+
+		ctx.beginPath();
+		ctx.moveTo(obj.center[0], obj.center[1]);
+		ctx.lineTo(obj.center[0] + obj.radiusX, obj.center[1] + obj.height);
+
+		ctx.moveTo(obj.center[0], obj.center[1]);
+		ctx.lineTo(obj.center[0] - obj.radiusX, obj.center[1] + obj.height);
+
+		ctx.moveTo(obj.center[0] + obj.radiusX, obj.center[1] + obj.height);
+		ctx.ellipse(obj.center[0], obj.center[1] + obj.height, obj.radiusX, obj.radiusY, 0, 0, Math.PI);
+		ctx.stroke();
+
+		ctx.setLineDash([]);
+		ctx.restore();
+	},
+	getRect: function (obj) {
+		return [obj.center[0] - obj.radiusX, obj.center[1], 2 * obj.radiusX, obj.height + obj.radiusY];
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.center[0] += dl + 0.5 * dw;
+		obj.center[1] += dt;
+		obj.radiusX += 0.5 * dw;
+		var frac = obj.height / (obj.height + obj.radiusY);
+		obj.height += frac * dh;
+		obj.radiusY += (1 - frac) * dh;
+	},
+	drawButton: function (ctx, size) {
+		draw.cone.draw(ctx, {
+			center: [0.5 * size, 0.15 * size],
+			radiusX: 0.3 * size,
+			radiusY: 0.1 * size,
+			height: 0.55 * size,
+			color: '#000',
+			thickness: size * 0.02
+		});
+	},
+	scale: function (obj, sf, center) {
+		if (!un(center)) {
+			obj.center[0] = center[0] + sf * (obj.center[0] - center[0]);
+			obj.center[1] = center[1] + sf * (obj.center[1] - center[1]);
+		}
+		if (!un(obj.radiusX))
+			obj.radiusX *= sf;
+		if (!un(obj.radiusY))
+			obj.radiusY *= sf;
+		if (!un(obj.height))
+			obj.height *= sf;
+		if (!un(obj.thickness))
+			obj.thickness *= sf;
+	}
+}
+draw.frustum = {
+	resizable: true,
+	add: function () {
+		deselectAllPaths(false);
+		changeDrawMode();
+		draw.path.push({
+			obj: [{
+					type: 'frustum',
+					center: getRelPos([200, 100]),
+					radiusX: 100,
+					radiusY: 33,
+					radiusX2: 60,
+					height: 200,
+					color: draw.color,
+					thickness: draw.thickness
+				}
+			],
+			selected: true,
+			trigger: []
+		});
+		for (var p = 0; p < draw.path.length; p++)
+			updateBorder(draw.path[p]);
+		drawCanvasPaths();
+	},
+	draw: function (ctx, obj, path) {
+		if (obj.radiusX <= 0 || obj.radiusY <= 0)
+			return;
+		ctx.save();
+		ctx.strokeStyle = obj.color;
+		ctx.lineWidth = obj.thickness;
+		if (typeof ctx.setLineDash !== 'function')
+			ctx.setLineDash = function () {};
+
+		ctx.setLineDash([5, 5]);
+		ctx.beginPath();
+		ctx.ellipse(obj.center[0], obj.center[1] + obj.height, obj.radiusX, obj.radiusY, 0, Math.PI, 2 * Math.PI);
+		ctx.stroke();
+
+		var dash = !un(obj.dash) ? obj.dash : [];
+		ctx.setLineDash(dash);
+
+		var radiusY2 = obj.radiusY * (obj.radiusX2 / obj.radiusX);
+
+		ctx.beginPath();
+		ctx.moveTo(obj.center[0] + obj.radiusX2, obj.center[1]);
+		ctx.ellipse(obj.center[0], obj.center[1], obj.radiusX2, radiusY2, 0, 0, 2 * Math.PI);
+
+		ctx.moveTo(obj.center[0] + obj.radiusX2, obj.center[1]);
+		ctx.lineTo(obj.center[0] + obj.radiusX, obj.center[1] + obj.height);
+
+		ctx.moveTo(obj.center[0] - obj.radiusX2, obj.center[1]);
+		ctx.lineTo(obj.center[0] - obj.radiusX, obj.center[1] + obj.height);
+
+		ctx.moveTo(obj.center[0] + obj.radiusX, obj.center[1] + obj.height);
+		ctx.ellipse(obj.center[0], obj.center[1] + obj.height, obj.radiusX, obj.radiusY, 0, 0, Math.PI);
+		ctx.stroke();
+
+		ctx.setLineDash([]);
+		ctx.restore();
+	},
+	getRect: function (obj) {
+		var radiusY2 = obj.radiusY * (obj.radiusX2 / obj.radiusX);
+		return [obj.center[0] - obj.radiusX, obj.center[1] - radiusY2, 2 * obj.radiusX, obj.height + obj.radiusY + radiusY2];
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.center[0] += dl + 0.5 * dw;
+		obj.center[1] += dt;
+		obj.radiusX += 0.5 * dw;
+		var radiusY2 = obj.radiusY * (obj.radiusX2 / obj.radiusX);
+		var totalHeight = obj.height + obj.radiusY + radiusY2;
+		obj.height += (obj.height / totalHeight) * dh;
+		obj.radiusY += (obj.radiusY / totalHeight) * dh;
+	},
+	drawButton: function (ctx, size) {
+		draw.frustum.draw(ctx, {
+			center: [0.5 * size, 0.3 * size],
+			radiusX: 0.3 * size,
+			radiusY: 0.1 * size,
+			radiusX2: 0.15 * size,
+			height: 0.4 * size,
+			color: '#000',
+			thickness: size * 0.02
+		});
+	},
+	scale: function (obj, sf, center) {
+		if (!un(center)) {
+			obj.center[0] = center[0] + sf * (obj.center[0] - center[0]);
+			obj.center[1] = center[1] + sf * (obj.center[1] - center[1]);
+		}
+		if (!un(obj.radiusX))
+			obj.radiusX *= sf;
+		if (!un(obj.radiusX2))
+			obj.radiusX2 *= sf;
+		if (!un(obj.radiusY))
+			obj.radiusY *= sf;
+		if (!un(obj.height))
+			obj.height *= sf;
+		if (!un(obj.thickness))
+			obj.thickness *= sf;
+	}
+}
+draw.isoCuboid = {
+	resizable: true,
+	add: function () {
+		deselectAllPaths(false);
+		changeDrawMode();
+		draw.path.push({
+			obj: [{
+					type: 'isoCuboid',
+					center: getRelPos([300, 300]),
+					mag1: 100,
+					mag2: 100,
+					mag3: 100,
+					color: draw.color,
+					thickness: draw.thickness
+				}
+			],
+			selected: true,
+			trigger: []
+		});
+		for (var p = 0; p < draw.path.length; p++)
+			updateBorder(draw.path[p]);
+		drawCanvasPaths();
+	},
+	draw: function (ctx, obj, path) {
+		var pos = draw.isoCuboid.getPoints(obj);
+
+		ctx.save();
+
+		if (!un(obj.fillColor)) {
+			ctx.fillStyle = obj.fillColor;
+			ctx.beginPath();
+			ctx.moveTo(pos[0][0], pos[0][1]);
+			ctx.moveTo(pos[1][0], pos[1][1]);
+			ctx.lineTo(pos[5][0], pos[5][1]);
+			ctx.lineTo(pos[7][0], pos[7][1]);
+			ctx.lineTo(pos[6][0], pos[6][1]);
+			ctx.lineTo(pos[2][0], pos[2][1]);
+			ctx.lineTo(pos[0][0], pos[0][1]);
+			ctx.fill();
+		}
+
+		ctx.strokeStyle = obj.color;
+		ctx.lineWidth = obj.thickness;
+
+		ctx.beginPath();
+		ctx.moveTo(pos[0][0], pos[0][1]);
+		ctx.lineTo(pos[1][0], pos[1][1]);
+		ctx.lineTo(pos[5][0], pos[5][1]);
+
+		ctx.moveTo(pos[0][0], pos[0][1]);
+		ctx.lineTo(pos[2][0], pos[2][1]);
+		ctx.lineTo(pos[6][0], pos[6][1]);
+
+		ctx.moveTo(pos[0][0], pos[0][1]);
+		ctx.lineTo(pos[4][0], pos[4][1]);
+		ctx.lineTo(pos[5][0], pos[5][1]);
+		ctx.lineTo(pos[7][0], pos[7][1]);
+		ctx.lineTo(pos[6][0], pos[6][1]);
+		ctx.lineTo(pos[4][0], pos[4][1]);
+
+		ctx.stroke();
+	},
+	getPoints: function (obj) {
+		var baseVector = [[obj.mag1 * (Math.sqrt(3) / 2), -obj.mag1 * (1 / 2)], [-obj.mag2 * (Math.sqrt(3) / 2), -obj.mag2 * (1 / 2)], [0, -obj.mag3]];
+		var pos = [obj.center];
+		pos.push(pointAddVector(obj.center, baseVector[0]));
+		pos.push(pointAddVector(obj.center, baseVector[1]));
+		pos.push(pointAddVector(pos[1], baseVector[1]));
+		for (var i = 0; i < 4; i++)
+			pos.push(pointAddVector(pos[i], baseVector[2]));
+		return pos;
+	},
+	getRect: function (obj) {
+		var pos = draw.isoCuboid.getPoints(obj);
+		return [pos[2][0], pos[7][1], pos[1][0] - pos[2][0], pos[0][1] - pos[7][1]];
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.center[0] += dl;
+		obj.center[1] += dt + dh;
+		obj.mag1 += dw / (Math.sqrt(3) / 2);
+		obj.mag2 += dw / (Math.sqrt(3) / 2);
+		obj.mag3 += dh;
+	},
+	getSnapPos: function (obj) {
+		var pos = draw.isoCuboid.getPoints(obj);
+		var pos2 = [];
+		for (var p = 0; p < obj.pos.length; p++)
+			pos2[p] = {
+				type: 'point',
+				pos: obj.pos[p]
+			};
+		return pos2;
+	},
+	drawButton: function (ctx, size) {
+		draw.isoCuboid.draw(ctx, {
+			center: [0.5 * size, 0.82 * size],
+			mag1: 0.33 * size,
+			mag2: 0.33 * size,
+			mag3: 0.33 * size,
+			color: '#000',
+			thickness: size * 0.02
+		});
+	},
+	scale: function (obj, sf, center) {
+		if (!un(center)) {
+			obj.center[0] = center[0] + sf * (obj.center[0] - center[0]);
+			obj.center[1] = center[1] + sf * (obj.center[1] - center[1]);
+		}
+		if (!un(obj.mag1))
+			obj.mag1 *= sf;
+		if (!un(obj.mag2))
+			obj.mag2 *= sf;
+		if (!un(obj.mag3))
+			obj.mag3 *= sf;
+		if (!un(obj.thickness))
+			obj.thickness *= sf;
+	}
+};
+draw.editableText = {
+	draw:function(ctx,obj,path) {
+		obj.text = simplifyText(obj.text);
+		var obj2 = clone(obj);
+		obj2.ctx = ctx;
+		var measure = text(obj2);
+		obj._tightRect = measure.tightRect;
+		obj2._tightRect = measure.tightRect;
+		delete obj.tightRect;
+		delete obj2.tightRect;
+		if (obj2.textEdit === true) {
+			textEdit.cursorMap = textEdit.mapTextLocs(obj2, measure.textLoc, measure.softBreaks, measure.hardBreaks);
+			textEdit.tightRect = measure.tightRect;
+			textEdit.textLoc = measure.textLoc;
+			textEdit.lineRects = measure.lineRects;
+			delete textEdit.allMap;
+			textEdit.blinkReset();
+			if (!un(textEdit.menu)) textEdit.menu.update();
+		}
+	}
+};
+draw.grid = {
+	resizable: true,
+	add: function () {
+		deselectAllPaths();
+		var obj = {
+			type: 'grid',
+			left: 50 - draw.drawRelPos[0],
+			top: 150 - draw.drawRelPos[1],
+			width: 400,
+			height: 400,
+			xMin: -10,
+			xMax: 10,
+			yMin: -10,
+			yMax: 10,
+			xMajorStep: 5,
+			xMinorStep: 1,
+			yMajorStep: 5,
+			yMinorStep: 1,
+			xZero: 250,
+			yZero: 350
+		};
+		draw.path.push({
+			obj: [obj],
+			selected: true
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+		//console.log(sel());
+	},
+	draw: function (ctx, obj, path, backColor, backColorFill) {
+		var obj2 = clone(obj);
+		obj2.showGrid = boolean(obj.showGrid, true);
+		obj2.showScales = boolean(obj.showScales, true);
+		obj2.showLabels = boolean(obj.showLabels, true);
+
+		obj2.backColor = mainCanvasFillStyle;
+		//obj2.backColor = draw.getColorAtPixel(obj.left + obj.width / 2, obj.top + obj.height / 2);
+
+		if (un(obj2.sf)) obj2.sf = 1;
+		ctx.strokeStyle = obj.color;
+		ctx.lineWidth = obj.thickness;
+		ctx.lineCap = 'round';
+		ctx.lineJoin = 'round';
+		/*if (typeof backColor == 'undefined') backColor = mainCanvasFillStyle;
+		if (boolean(backColorFill,true) == true) {
+		ctx.fillStyle = backColor;
+		ctx.fillRect(obj.left*sf,obj.top*sf,obj.width*sf,obj.height*sf);
+		}*/
+
+		drawGrid3(ctx, 0, 0, obj2);
+
+		if (typeof obj2.points == 'object') {
+			for (var p = 0; p < obj2.points.length; p++) {
+				drawCoord(ctx, 0, 0, obj2, obj.points[p][0], obj.points[p][1], getShades(mainCanvasFillStyle, true)[12]);
+			}
+		}
+		if (typeof obj2.lineSegments == 'object') {
+			var showPoints = false;
+			for (var p = 0; p < obj2.lineSegments.length; p++) {
+				if (typeof obj2.lineSegments[p][1] !== 'undefined' && obj2.lineSegments[p][1].length == 2) {
+					if (obj2.drawing == 'lineSegment' && p == obj2.lineSegments.length - 1)
+						showPoints = true;
+					//drawLine(ctx,0,0,obj2,obj2.lineSegments[p][0][0],obj2.lineSegments[p][0][1],obj2.lineSegments[p][1][0],obj2.lineSegments[p][1][1],getShades(mainCanvasFillStyle,true)[12],2,showPoints,true);
+					drawLine(ctx, 0, 0, obj2, obj2.lineSegments[p][0][0], obj2.lineSegments[p][0][1], obj2.lineSegments[p][1][0], obj2.lineSegments[p][1][1], '#00F', 2, showPoints, true);
+				}
+			}
+		}
+		if (typeof obj2.lines == 'object') {
+			var showPoints = false;
+			for (var p = 0; p < obj2.lines.length; p++) {
+				if (typeof obj2.lines[p][1] !== 'undefined' && obj2.lines[p][1].length == 2) {
+					if (obj2.drawing == 'line' && p == obj2.lines.length - 1)
+						showPoints = true;
+					//drawLine(ctx,0,0,obj2,obj2.lines[p][0][0],obj2.lines[p][0][1],obj2.lines[p][1][0],obj2.lines[p][1][1],getShades(mainCanvasFillStyle,true)[12],2,showPoints,false);
+					drawLine(ctx, 0, 0, obj2, obj2.lines[p][0][0], obj2.lines[p][0][1], obj2.lines[p][1][0], obj2.lines[p][1][1], '#00F', 2, showPoints, false);
+				}
+			}
+		}
+		if (typeof obj2.funcs == 'object') {
+			for (var f = 0; f < obj2.funcs.length; f++) {
+				obj2.funcs[f].funcPoints = calcFunc(obj2, obj2.funcs[f].funcString);
+				drawFunc(ctx, 0, 0, obj, obj2.funcs[f].funcPoints);
+			}
+		}
+
+		if (obj2.path instanceof Array) {
+			var recalc = false;
+			if (un(obj2._gridValuesForPathCalcs) ||
+				obj2._gridValuesForPathCalcs.xMin !== obj2.xMin ||
+				obj2._gridValuesForPathCalcs.xMax !== obj2.xMax ||
+				obj2._gridValuesForPathCalcs.yMin !== obj2.yMin ||
+				obj2._gridValuesForPathCalcs.yMax !== obj2.yMax ||
+				obj2._gridValuesForPathCalcs.left !== obj2.left ||
+				obj2._gridValuesForPathCalcs.top !== obj2.top ||
+				obj2._gridValuesForPathCalcs.width !== obj2.width ||
+				obj2._gridValuesForPathCalcs.height !== obj2.height
+			) {
+				obj2._gridValuesForPathCalcs = {xMin:obj2.xMin,xMax:obj2.xMax,yMin:obj2.yMin,yMax:obj2.yMax,left:obj2.left,top:obj2.top,width:obj2.width,height:obj2.height};
+				recalc = true;
+			}
+			for (var p = 0; p < obj2.path.length; p++) {
+				var obj3 = obj2.path[p];
+				if (boolean(obj3.visible, true) == false) continue;
+				if (boolean(obj3.valid, true) == false) continue;
+				if (obj3.color === 'none') continue;
+				switch (obj3.type) {
+				case 'point':
+					obj3._canvasPos = getPosOfCoord(obj3.pos, obj2);
+					if (obj3._canvasPos[0] < obj2.left || obj3._canvasPos[0] > obj2.left+obj2.width) continue;
+					if (obj3._canvasPos[1] < obj2.top || obj3._canvasPos[1] > obj2.top+obj2.height)	continue;
+					ctx.save();
+					ctx.beginPath();
+					var style = obj3.style || 'circle';
+					var color = obj3.color || '#00F';
+					if (style == 'circle') {
+						var radius = !un(obj3.radius) ? obj3.radius : obj3._selected ? 10 : 6;
+						ctx.fillStyle = color;
+						ctx.arc(obj3._canvasPos[0], obj3._canvasPos[1], radius, 0, 2 * Math.PI);
+						ctx.fill();
+					} else if (style == 'cross') {
+						ctx.strokeStyle = color;
+						ctx.lineWidth = !un(obj3.lineWidth) ? obj3.lineWidth : obj3._selected ? 6 : 3;
+						var size = 5;
+						var x = obj3._canvasPos[0];
+						var y = obj3._canvasPos[1];
+						ctx.moveTo(x-size,y-size);
+						ctx.lineTo(x+size,y+size);
+						ctx.moveTo(x-size,y+size);
+						ctx.lineTo(x+size,y-size);
+						ctx.stroke();
+					}
+					ctx.restore();
+					break;
+				case 'label':
+					var pos = getPosOfCoord(obj3.pos, obj2);
+					obj3.rect = [pos[0] - 200, pos[1] - 200, 400, 400];
+					if (un(obj3.align)) obj3.align = [0, 0];
+					if (!un(obj3.offset)) {
+						obj3.rect[0] += obj3.offset[0];
+						obj3.rect[1] += obj3.offset[1];
+					}
+					draw.text2.draw(ctx, obj3);
+					break;
+				case 'line':
+					if (obj3.pos[0][0] !== obj3.pos[1][0] || obj3.pos[0][1] !== obj3.pos[1][1]) {
+						var lineWidth = !un(obj3.lineWidth) ? obj3.lineWidth : obj3._selected ? 6 : 3;
+						var color = obj3.strokeStyle || obj3.color || '#00F';
+						drawLine(ctx, 0, 0, obj2, obj3.pos[0][0], obj3.pos[0][1], obj3.pos[1][0], obj3.pos[1][1], color, lineWidth, false, false, true);
+					}
+					/*if (obj2._interactMode == 'line' && ((draw.mode == 'edit' && path.selected === true) || (draw.mode == 'interact' && draw.mouse[0] >= obj2.left && draw.mouse[0] <= obj2.left+obj2.width && draw.mouse[1] >= obj2.top && draw.mouse[1] <= obj2.top+obj2.height))) {
+					var pos1 = getPosOfCoord(obj3.pos[0],obj2);
+					var pos2 = getPosOfCoord(obj3.pos[1],obj2);
+					ctx.save();
+					ctx.beginPath();
+					ctx.fillStyle = invertColor(obj3.strokeStyle);
+					ctx.strokeStyle = '#000';
+					ctx.lineWidth = 1;
+					ctx.arc(pos1[0],pos1[1],5,0,2*Math.PI);
+					ctx.fill();
+					ctx.stroke();
+					ctx.beginPath();
+					ctx.arc(pos2[0],pos2[1],5,0,2*Math.PI);
+					ctx.fill();
+					ctx.stroke();
+					ctx.restore();
+					}*/
+					break;
+				case 'lineSegment':
+					if (obj3.pos[0][0] !== obj3.pos[1][0] || obj3.pos[0][1] !== obj3.pos[1][1]) {
+						var lineWidth = !un(obj3.lineWidth) ? obj3.lineWidth : obj3._selected ? 6 : 3;
+						var color = obj3.strokeStyle || obj3.color || '#00F';
+						drawLine(ctx, 0, 0, obj2, obj3.pos[0][0], obj3.pos[0][1], obj3.pos[1][0], obj3.pos[1][1], color, lineWidth, false, true, true);
+					}
+					/*if (obj2._interactMode == 'lineSegment' && ((draw.mode == 'edit' && path.selected === true) || (draw.mode == 'interact' && draw.mouse[0] >= obj2.left && draw.mouse[0] <= obj2.left+obj2.width && draw.mouse[1] >= obj2.top && draw.mouse[1] <= obj2.top+obj2.height))) {
+					var pos1 = getPosOfCoord(obj3.pos[0],obj2);
+					var pos2 = getPosOfCoord(obj3.pos[1],obj2);
+					ctx.save();
+					ctx.beginPath();
+					ctx.fillStyle = invertColor(obj3.strokeStyle);
+					ctx.strokeStyle = '#000';
+					ctx.lineWidth = 1;
+					ctx.arc(pos1[0],pos1[1],5,0,2*Math.PI);
+					ctx.fill();
+					ctx.stroke();
+					ctx.beginPath();
+					ctx.arc(pos2[0],pos2[1],5,0,2*Math.PI);
+					ctx.fill();
+					ctx.stroke();
+					ctx.restore();
+					}*/
+					/*if (obj.pos[0].length == 0) {
+					if (obj.pos[1].length == 0) {
+					continue;
+					} else {
+					drawCoord(gridctx,0,0,gridDetails,obj.pos[1][0],obj.pos[1][1],obj.color);
+					}
+					} else if (obj.pos[1].length == 0) {
+					drawCoord(gridctx,0,0,gridDetails,obj.pos[0][0],obj.pos[0][1],obj.color);
+					}
+					if (obj.pos[0][0] == obj.pos[1][0] && obj.pos[0][1] == obj.pos[1][1]) {
+					drawCoord(gridctx,0,0,gridDetails,obj.pos[0][0],obj.pos[0][1],obj.color);
+					} else {
+					if (typeof obj.dashSize == 'undefined') obj.dashSize = [0,0];
+					if (obj.type == 'line') {
+					obj.endPos = drawLine(gridctx,0,0,gridDetails,obj.pos[0][0],obj.pos[0][1],obj.pos[1][0],obj.pos[1][1],obj.color,3,false,false,true,obj.dashSize[0],obj.dashSize[1]);
+					} else if (obj.type == 'lineSegment') {
+					drawLine(gridctx,0,0,gridDetails,obj.pos[0][0],obj.pos[0][1],obj.pos[1][0],obj.pos[1][1],obj.color,3,false,true,true,obj.dashSize[0],obj.dashSize[1]);
+					}
+					}*/
+					break;
+				case 'polygon':
+					obj3.ctx = ctx;
+					drawPolygon(obj3);
+					delete obj3.ctx;
+					break;
+				case 'function':
+					if (recalc === true || un(obj3._funcPos)) {
+						if (!un(obj3.func)) {
+							obj3._funcPos = calcFunc2(obj2, obj3.func, 1, obj3.min, obj3.max);
+						} else if (obj2.angleMode == 'rad') {
+							obj3._funcPos = calcFunc2(obj2, obj3.funcRad);
+						} else {
+							obj3._funcPos = calcFunc2(obj2, obj3.funcDeg);
+						}
+					}
+					var lineWidth = !un(obj3.lineWidth) ? obj3.lineWidth : obj3._selected ? 6 : 3;
+					obj3.pos = drawFunc(ctx, 0, 0, obj2, obj3._funcPos, obj3.color, lineWidth);
+					break;
+				case 'function2':
+					if (recalc === true || un(obj3._gridPos)) obj3._gridPos = calcFuncImplicitGridPos(obj2, obj3.func);
+					if (recalc === true || un(obj3._canvasPos)) obj3._canvasPos = calcFuncImplicitCanvasPos(obj2, obj3._gridPos);
+					var lineWidth = !un(obj3.lineWidth) ? obj3.lineWidth : obj3._selected ? 6 : 3;
+					drawFuncImplicit(ctx, obj3._canvasPos, obj3.color, lineWidth);
+					break;
+				case 'path':
+					var funcPoints = [];
+					for (var i = 0; i < obj3.pos.length; i++) {
+						var pos = obj3.pos[i];
+						var x = pos[0];
+						var y = pos[1];
+
+						var xPos = obj2.left + obj2.width * ((x - obj2.xMin) / (obj2.xMax - obj2.xMin));
+						var yPos = (obj2.top + obj2.height) - obj2.height * ((y - obj2.yMin) / (obj2.yMax - obj2.yMin));
+						var thisPoint = [xPos, yPos, x, y]// AND: inDomain?, plotHighLowOk?
+
+						if (x >= obj2.xMin && x <= obj2.xMax) {
+							thisPoint.push(true);
+						} else {
+							thisPoint.push(false);
+						}
+
+						if (yPos < obj2.top) {
+							thisPoint.push('high');
+						} else {
+							if (yPos > (obj2.top + obj2.height)) {
+								thisPoint.push('low');
+							} else {
+								thisPoint.push('ok');
+							}
+						}
+						funcPoints.push(thisPoint);
+					}
+					var color = obj3.color || '#00F';
+					var lineWidth = obj3.lineWidth || 2;
+					obj3.pos = drawFunc(ctx, 0, 0, obj2, funcPoints, color, lineWidth);
+					break;
+				case 'rect':
+					obj3.points = [
+						getPosOfCoord([obj3.rect[0], obj3.rect[1]], obj2),
+						getPosOfCoord([obj3.rect[0] + obj3.rect[2], obj3.rect[1]], obj2),
+						getPosOfCoord([obj3.rect[0] + obj3.rect[2], obj3.rect[1] + obj3.rect[3]], obj2),
+						getPosOfCoord([obj3.rect[0], obj3.rect[1] + obj3.rect[3]], obj2)
+					];
+					obj3.ctx = ctx;
+					drawPolygon(obj3);
+					delete obj3.points;
+					delete obj3.ctx;
+					break;
+				}
+			}
+		}
+		/*var interact = path.isInput || path.interact || obj.interact;
+		var mode = draw.mode;
+		if (!un(interact) && interact._mode === 'addAnswers') mode = 'interact';
+		if (mode == 'interact' && !un(interact) && interact.type == 'grid') {
+			for (var b = 0; b < buttons.length; b++) {
+				draw.grid.drawInteractButton(ctx, obj2, buttons[b], x, y + size * b, size, size);
+			}
+		}*/
+	},
+	drawOverlay: function (ctx, obj, path) {
+		obj._cursorPos = [];
+		var controlsStyle = 'none';
+		var buttons = draw.grid.interactDefaultButtons;
+		if (draw.mode == 'edit' && path.selected === true) {
+			controlsStyle = 'full';
+		} else {
+			var interact = path.isInput || path.interact || obj.interact;
+			if (!un(interact) && !un(interact.controlsStyle)) {
+				controlsStyle = interact.controlsStyle;
+				var buttons = interact.buttons || draw.grid.interactDefaultButtons;
+			} else if (!un(interact) && interact.type == 'grid') {
+				controlsStyle = interact.controlsStyle || 'buttons';
+				var buttons = interact.buttons || draw.grid.interactDefaultButtons;
+			}
+		}
+		var pathNum = draw.path.indexOf(path);
+		if (controlsStyle === 'buttons') {
+			//var x = obj.left + obj.width + 40;
+			//var y = obj.top;
+			var x = obj.left;
+			var y = obj.top+obj.height+60;
+			var size = 40;
+			for (var b = 0; b < buttons.length; b++) {
+				draw.grid.drawInteractButton(ctx, obj, buttons[b], x, y + size * b, size, size);
+				obj._cursorPos.push({
+					buttonType: 'grid-' + buttons[b],
+					shape: 'rect',
+					dims: [x, y + size * b, size, size],
+					cursor: draw.cursors.pointer,
+					func: draw.grid.interactButtonClick,
+					pathNum: pathNum,
+					obj: obj,
+					mode: buttons[b]
+				});
+				if (buttons[b] === 'zoomIn') {
+					obj._cursorPos.last().factor = 2/3;
+				} else if (buttons[b] === 'zoomOut') {
+					obj._cursorPos.last().factor = 3/2;
+				}
+			}
+		} else if (controlsStyle === 'full') {
+			var paths = obj.path || [];
+			var colorPicker = false;
+			//var x = obj.left + obj.width + 40;
+			//var y = obj.top;
+			var x = obj.left;
+			var y = obj.top+obj.height+60;
+			var h = 50;
+			var fontSize = 24;
+			
+			var x2 = x;
+			var buttons = ['move', 'zoomOut', 'zoomIn', 'plot', 'lineSegment', 'line', 'function'];
+			for (var b = 0; b < buttons.length; b++) {
+				draw.grid.drawInteractButton(ctx, obj, buttons[b], x2+h*b, y, h, h);
+				obj._cursorPos.push({
+					buttonType: 'grid-' + buttons[b],
+					shape: 'rect',
+					dims: [x2+h*b, y, h, h],
+					cursor: draw.cursors.pointer,
+					func: draw.grid.interactButtonClick,
+					pathNum: pathNum,
+					obj: obj,
+					mode: buttons[b]
+				});
+				if (buttons[b] === 'zoomIn') {
+					obj._cursorPos.last().factor = 2/3;
+				} else if (buttons[b] === 'zoomOut') {
+					obj._cursorPos.last().factor = 3/2;
+				}
+			}
+			y += h;
+			h = 45;
+			
+			/*
+			// x & y controls	
+			var properties = ['xMin','xMax','xMinorStep','xMajorStep','yMin','yMax','yMinorStep','yMajorStep'];
+			if (un(obj._textObjs)) {
+				obj._textObjs = {};
+				for (var t = 0; t < properties.length; t++) {
+					obj._textObjs[properties[t]] = {
+						type:'editableText',
+						align: [0, 0],
+						fontSize: fontSize,
+						text: [''],
+						onInputEnd:draw.grid.propertyChangeInputEnd,
+						deselectOnInputStart:false,
+						deselectOnInputEnd:false,
+						grid:obj,
+						property:properties[t]
+					}
+				}
+			}
+						
+			ctx.fillStyle = colorA('#9FF', 0.5);
+			ctx.strokeStyle = '#000';
+			ctx.lineWidth = 1;
+			ctx.fillRect(x2,y,350,h);
+			ctx.strokeRect(x2,y,350,h);
+			ctx.beginPath();
+			ctx.moveTo(x2+200,y);
+			ctx.lineTo(x2+200,y+h);
+			ctx.stroke();
+			
+			obj._textObjs.xMin.rect = [x2,y,70,h];
+			text({ctx:ctx,rect:[x2+50,y,100,h],align:[0,0],font:'algebra',fontSize:fontSize,text:[lessThanEq+' x '+lessThanEq]});
+			obj._textObjs.xMax.rect = [x2+130,y,70,h];
+			text({ctx:ctx,rect:[x2+200,y,75,h],align:[0,0],italic:true,fontSize:fontSize,text:['steps:']});
+			obj._textObjs.xMajorStep.rect = [x2+270,y,40,h];
+			text({ctx:ctx,rect:[x2+270,y,80,h],align:[0,0],italic:true,fontSize:fontSize,text:[',']});
+			obj._textObjs.xMinorStep.rect = [x2+310,y,40,h];
+
+			y += h;
+
+			ctx.fillStyle = colorA('#9FF', 0.5);
+			ctx.strokeStyle = '#000';
+			ctx.lineWidth = 1;
+			ctx.fillRect(x2,y,350,h);
+			ctx.strokeRect(x2,y,350,h);
+			ctx.beginPath();
+			ctx.moveTo(x2+200,y);
+			ctx.lineTo(x2+200,y+h);
+			ctx.stroke();
+			
+			obj._textObjs.yMin.rect = [x2,y,70,h];
+			text({ctx:ctx,rect:[x2+50,y,100,h],align:[0,0],font:'algebra',fontSize:fontSize,text:[lessThanEq+' y '+lessThanEq]});
+			obj._textObjs.yMax.rect = [x2+130,y,70,h];
+			text({ctx:ctx,rect:[x2+200,y,75,h],align:[0,0],italic:true,fontSize:fontSize,text:['steps:']});
+			obj._textObjs.yMajorStep.rect = [x2+270,y,40,h];
+			text({ctx:ctx,rect:[x2+270,y,80,h],align:[0,0],italic:true,fontSize:fontSize,text:[',']});
+			obj._textObjs.yMinorStep.rect = [x2+310,y,40,h];
+			
+			for (var t = 0; t < properties.length; t++) {
+				if (obj._textObjs[properties[t]].textEdit !== true) {
+					obj._textObjs[properties[t]].text = obj[properties[t]] === 0 ? ['0'] : [String(roundSF(obj[properties[t]],2))];
+				}
+				obj._textObjs[properties[t]].ctx = ctx;
+				draw.editableText.draw(ctx,obj._textObjs[properties[t]]);
+				obj._cursorPos.push({
+					shape: 'rect',
+					dims: clone(obj._textObjs[properties[t]].rect),
+					cursor: draw.cursors.text,
+					func: textEdit.selectStart,
+					obj: obj._textObjs[properties[t]],
+					pathNum:pathNum,
+					highlight: -1				
+				});
+			}
+			
+			y += h;
+			*/
+			
+			for (var p = 0; p < paths.length; p++) {
+				var path = paths[p];
+				var color = path.color || '#00F';
+				var lineWidth = path.lineWidth || path.radius || 2;
+				var backColor = path.valid === false ? '#FCC' : path._selected === true ? '#F96' : '#FFC';
+				switch (path.type) {
+					case 'function':
+						if (un(path.text)) {
+							var value = path.func.toString();
+							value = value.slice(value.indexOf('return ') + 7);
+							value = value.slice(0, value.indexOf(';'));
+							path.text = [value];
+						}
+						break;
+					case 'function2':
+						if (un(path.text)) {
+							var value = path.func.toString();
+							value = value.slice(value.indexOf('return ') + 7);
+							value = value.slice(0, value.indexOf(';'));
+							path.text = [value];
+						}
+						break;
+					case 'point':
+						path.text = ['(' + path.pos[0] + ', ' + path.pos[1] + ')'];
+						break;
+					case 'line':
+						path.text = ['(' + path.pos[0][0] + ', ' + path.pos[0][1] + ')  to  (' + path.pos[1][0] + ', ' + path.pos[1][1] + ')'];
+						break;
+					case 'lineSegment':
+						path.text = ['(' + path.pos[0][0] + ', ' + path.pos[0][1] + ')  to  (' + path.pos[1][0] + ', ' + path.pos[1][1] + ')'];
+						break;
+				}
+				var x2 = x;
+
+				var color2 = color === 'none' ? '#000' : color;
+				var type = path.type === 'point' && path.style === 'circle' ? 'pointCircle' : path.type;
+				draw.grid.drawInteractButton(ctx, obj, type, x2, y, h, h, color2, backColor);
+
+				obj._cursorPos.push({
+					buttonType: '',
+					shape: 'rect',
+					dims: [x2, y, h, h],
+					cursor: draw.cursors.pointer,
+					func: draw.grid.gridPaths.changeColor,
+					obj: obj,
+					gridPath: path
+				});
+				if (path._colorPicker === true && colorPicker === false) {
+					colorPicker = {
+						index:p,
+						top:y+h,
+						center:x2+h/2,
+						type:path.type,
+						color:color2
+					};
+				}
+				delete path._colorPicker;
+
+				x2 += h;
+
+				ctx.fillStyle = backColor;
+				ctx.strokeStyle = '#000';
+				ctx.lineWidth = 1;
+				ctx.fillRect(x2,y,305,h);
+				ctx.strokeRect(x2,y,305,h);
+				
+				if (un(path._textObj)) {
+					path._textObj = {
+						type:'editableText',
+						align: [-1, 0],
+						font: 'algebra',
+						algPadding:3,
+						fontSize: fontSize,
+						text: path.text,
+						box: {
+							type: 'none',
+						},
+						onInputEnd:draw.grid.gridPaths.functionTextInputEnd,
+						deselectOnInputStart:false,
+						deselectOnInputEnd:false,
+						grid:obj,
+						gridPathIndex:p
+					};
+				}
+				path._textObj.rect = [x2+10,y,265,h];
+				path._textObj.ctx = ctx;
+				if (path.type === 'function' || path.type === 'function2') {
+					draw.editableText.draw(ctx,path._textObj);
+					obj._cursorPos.push({
+						shape: 'rect',
+						dims: clone(path._textObj.rect),
+						cursor: draw.cursors.text,
+						func: textEdit.selectStart,
+						obj: path._textObj,
+						pathNum:pathNum,
+						highlight: -1						
+					});
+				} else {
+					text(path._textObj);
+					obj._cursorPos.push({
+						buttonType: '',
+						shape: 'rect',
+						dims: clone(path._textObj.rect),
+						//cursor: draw.cursors.pointer,
+						//func: draw.grid.gridPaths.toggleSelected,
+						cursor:'default',
+						func:function() {},
+						obj: obj,
+						gridPath: path
+					});
+				}
+
+				x2 += 275;
+				drawCross(ctx, 20, 20, '#F00', x2 + 5, y + (h-20)/2, 2);
+
+				obj._cursorPos.push({
+					buttonType: '',
+					shape: 'rect',
+					dims: [x2, y, 30, h],
+					cursor: draw.cursors.pointer,
+					func: draw.grid.gridPaths.deletePath,
+					obj: obj,
+					gridPathIndex: p
+				});
+
+				y += h;
+			}
+			if (colorPicker !== false) {
+				var colors = ['none','#000','#666','#00F','#F00','#393','#909','#F90','#A0522D'];
+				var width = 35;
+				var cols = 3;
+				var margin = 0;
+				var left = colorPicker.center-cols*width/2;
+				var top = colorPicker.top;
+				for (var c = 0; c < colors.length; c++) {
+					var col = c%cols;
+					var row = Math.floor(c/cols);
+					var x = left+col*width;
+					var y = top+row*width;
+					var color = colors[c];
+					var color2 = color === 'none' ? '#FFF' : color;
+					text({
+						ctx:ctx,
+						rect:[x,y,width,width],
+						text:[""],
+						box:{
+							type:'loose',
+							color:color2,
+							borderWidth:1,
+							borderColor:'#000'
+						}
+					});
+					if (color === 'none') {
+						ctx.beginPath();
+						ctx.lineWidth = 2;
+						ctx.strokeStyle = '#000';
+						ctx.moveTo(x,y);
+						ctx.lineTo(x+width,y+width);
+						ctx.moveTo(x+width,y);
+						ctx.lineTo(x,y+width);
+						ctx.stroke();
+					}
+					obj._cursorPos.push({
+						buttonType: '',
+						shape: 'rect',
+						dims: [x,y,width,width],
+						cursor: draw.cursors.pointer,
+						func: draw.grid.gridPaths.setColor,
+						obj: obj,
+						gridPathIndex: colorPicker.index,
+						color:color
+					});
+				}
+				if (colorPicker.type === 'point') {
+					y += width;
+					var x = colorPicker.center-width;
+					
+					draw.grid.drawInteractButton(ctx, obj, 'point', x, y, width, width, colorPicker.color, '#FFC');
+					obj._cursorPos.push({
+						buttonType: '',
+						shape: 'rect',
+						dims: [x,y,width,width],
+						cursor: draw.cursors.pointer,
+						func: draw.grid.gridPaths.setPointStyle,
+						obj: obj,
+						gridPathIndex: colorPicker.index,
+						style:'cross'
+					});
+					
+					x += width;
+					
+					draw.grid.drawInteractButton(ctx, obj, 'pointCircle', x, y, width, width, colorPicker.color, '#FFC');
+					obj._cursorPos.push({
+						buttonType: '',
+						shape: 'rect',
+						dims: [x,y,width,width],
+						cursor: draw.cursors.pointer,
+						func: draw.grid.gridPaths.setPointStyle,
+						obj: obj,
+						gridPathIndex: colorPicker.index,
+						style:'circle'
+					});
+				}
+			}
+		}
+	},
+	propertyChangeInputEnd: function(obj) {
+		var value = parseFloat(obj.text[0]);
+		if (isNaN(value)) return;
+		var grid = obj.grid;
+		var property = obj.property;
+		if (property === 'xMin' && value >= grid.xMax) return;
+		if (property === 'xMax' && value <= grid.xMin) return;
+		if (property === 'yMin' && value >= grid.yMax) return;
+		if (property === 'yMax' && value <= grid.yMin) return;
+		grid[property] = value;
+		drawCanvasPaths();
+	},
+	getRect: function (obj) {
+		/*var ctx = draw.hiddenCanvas.ctx;
+		ctx.clearRect(0, 0, 10000, 10000);
+		var showGrid = boolean(obj.showGrid, true);
+		var showScales = boolean(obj.showScales, true);
+		var showLabels = boolean(obj.showLabels, true);
+		return drawGrid3(ctx, 0, 0, obj, 24, '#000', '#000', '#000', '#000', '#000', '#000', mainCanvasFillStyle, showGrid, showScales, showLabels).labelBorder;*/
+		return [obj.left-30,obj.top-30,obj.width+60,obj.height+60];
+	},
+	gridPaths: {
+		functionTextInputEnd: function(textObj) {
+			var grid = textObj.grid;
+			var path = grid._path;
+			delete path._interacting;
+			var index = textObj.gridPathIndex;
+			var gridPath = grid.path[index];
+			var js = draw.grid.gridPaths.convertTextToJS(clone(textObj.text));
+			var stringCopy = js;
+			var exceptions = ['Math.pow', 'Math.sqrt', 'Math.PI', 'Math.sin', 'Math.cos', 'Math.tan', 'Math.asin', 'Math.acos', 'Math.atan', 'Math.e', 'Math.log', 'Math.abs'];
+			for (var i = 0; i < exceptions.length; i++) {
+				stringCopy = replaceAll(stringCopy, exceptions[i], '');
+			}
+			if (/[a-wzA-WZ]/g.test(stringCopy) == true || (stringCopy.match(/=/g) || []).length !== 1 || stringCopy.charAt(0) == "=" || stringCopy.charAt(stringCopy.length - 1) == "=") {
+				gridPath.type = 'function';
+				gridPath.valid = false;
+				return;
+			}
+			if (js.indexOf("y=") == 0) {
+				try {
+					var func = new Function('return ' + 'function(x) {return ' + js.slice(2) + ';}')()
+				} catch (err) {
+					gridPath.type = 'function';
+					gridPath.valid = false;
+					return;
+				}
+				gridPath.type = 'function';
+				gridPath.text = clone(textObj.text);
+				gridPath.func = func;
+				gridPath.time = Date.parse(new Date());
+				delete gridPath.valid;
+			} else {
+				var splitFunc = js.split("=");
+				if (splitFunc.length !== 2) return;
+				try {
+					var func = new Function('return ' + 'function(x,y) {return (' + splitFunc[0] + ')-(' + splitFunc[1] + ');}')()
+				} catch (err) {
+					gridPath.type = 'function2';
+					gridPath.valid = false;
+					return;
+				}
+				gridPath.type = 'function2';
+				gridPath.text = clone(textObj.text);
+				gridPath.func = func;
+				gridPath.time = Date.parse(new Date());
+				delete gridPath.valid;
+			}
+		},
+		convertTextToJS: function(textArray) {
+			var depth = 0;
+			var jsArray = [''];
+			var js = '';
+			var algArray = [''];
+			var alg = '';
+			var exceptions = ['Math.pow', 'Math.sqrt', 'Math.PI', 'Math.sin', 'Math.cos', 'Math.tan', 'Math.asin', 'Math.acos', 'Math.atan', 'Math.e', 'Math.log', 'Math.abs', 'sin', 'cos', 'tan'];
+			var position = [0];
+			var angleMode = 'deg';
+			for (var p = 0; p < textArray.length; p++) {
+				subJS(textArray[p], true);
+				position[depth]++;
+			}
+			js = jsArray[0];
+			alg = algArray[0];
+
+			function removeAllTagsFromString(str) {
+				for (var char = str.length - 1; char > -1; char--) {
+					if (str.slice(char).indexOf('>>') == 0 && str.slice(char - 1).indexOf('>>>') !== 0) {
+						for (var char2 = char - 2; char2 > -1; char2--) {
+							if (str.slice(char2).indexOf('<<') == 0) {
+								str = str.slice(0, char2) + str.slice(char + 2);
+								char = char2;
+								break;
+							}
+						}
+					}
+				}
+				return str;
+			}
+
+			function subJS(elem, addMultIfNecc) {
+				if (typeof addMultIfNecc !== 'boolean') addMultIfNecc = true;
+				if (typeof elem == 'string') {
+					var subText = replaceAll(elem, ' ', '');
+					subText = removeAllTagsFromString(subText);
+					subText = subText.replace(/\u00D7/g, '*');
+					subText = subText.replace(/\u00F7/g, '/');
+					subText = subText.replace(/\u2264/g, '<=');
+					subText = subText.replace(/\u2265/g, '>=');
+					for (var c = 0; c < subText.length - 2; c++) {
+						if (subText.slice(c).indexOf('sin') == 0 || subText.slice(c).indexOf('cos') == 0 || subText.slice(c).indexOf('tan') == 0) {
+							if (subText.slice(c).indexOf('(') == 3) {
+								if (angleMode == 'rad') {
+									subText = subText.slice(0, c) + 'Math.' + subText.slice(c);
+									c += 5;
+								} else {
+									subText = subText.slice(0, c) + 'Math.' + subText.slice(c, c + 4) + '(Math.PI/180)*' + subText.slice(c + 4);
+									c += 19;
+								}
+							}
+						}
+					}
+					subText = timesBeforeLetters(subText);
+					if (addMultIfNecc == true && jsArray[depth] !== '' && elem !== '' && /[ \+\-\=\u00D7\u00F7\u2264\u2265\\<\>\])]/.test(elem.charAt(0)) == false) {
+						subText = '*' + subText;
+					}
+					jsArray[depth] += subText;
+					algArray[depth] += subText;
+					return;
+				} else if (elem[0] == 'frac') {
+					var subText = '';
+					var subText2 = '';
+					if (jsArray[depth] !== '' && /[\+\-\u00D7\u00F7\*\/\=\[(]/.test(jsArray[depth].slice(-1)) == false) subText += "*";
+					depth++;
+					position.push(0);
+					jsArray[depth] = '';
+					subJS(elem[1], false);
+					jsArray[depth] = replaceAll(jsArray[depth], ' ', '');
+					subText += '((' + jsArray[depth] + ')/';
+					subText2 += 'frac(' + jsArray[depth] + ',';
+					jsArray[depth] = '';
+					subJS(elem[2], false);
+					jsArray[depth] = replaceAll(jsArray[depth], ' ', '');
+					subText += '(' + jsArray[depth] + '))';
+					subText2 += jsArray[depth] + ')';
+					jsArray[depth] = '';
+					depth--;
+					position.pop();
+					jsArray[depth] += subText;
+					algArray[depth] += subText2;
+					return;
+				} else if (elem[0] == 'sqrt') {
+					var subText = '';
+					var subText2 = '';
+					if (jsArray[depth] !== '' && /[\+\-\u00D7\u00F7\*\/\=\[(]/.test(jsArray[depth].slice(-1)) == false) subText += "*";
+					depth++;
+					position.push(0);
+					jsArray[depth] = '';
+					subJS(elem[1], false);
+					jsArray[depth] = replaceAll(jsArray[depth], ' ', '');
+					subText += 'Math.sqrt(' + jsArray[depth] + ')';
+					subText2 += 'sqrt(' + jsArray[depth] + ')';
+					jsArray[depth] = '';
+					depth--;
+					position.pop();
+					jsArray[depth] += subText;
+					algArray[depth] += subText2;
+					return;
+				} else if (elem[0] == 'root') {
+					var subText = '';
+					var subText2 = '';
+					if (jsArray[depth] !== '' && /[\+\-\u00D7\u00F7\*\/\=\[(]/.test(jsArray[depth].slice(-1)) == false) subText += "*";
+					depth++;
+					position.push(0);
+					jsArray[depth] = '';
+					subJS(elem[2], false);
+					jsArray[depth] = replaceAll(jsArray[depth], ' ', '');
+					subText += '(Math.pow(' + jsArray[depth] + ',';
+					subText2 += 'root(' + jsArray[depth] + ',';
+					jsArray[depth] = '';
+					subJS(elem[1], false);
+					jsArray[depth] = replaceAll(jsArray[depth], ' ', '');
+					subText += '(1/(' + jsArray[depth] + '))))';
+					subText2 += jsArray[depth] + ')';
+					jsArray[depth] = '';
+					depth--;
+					position.pop();
+					jsArray[depth] += subText;
+					algArray[depth] += subText2;
+					return;
+				} else if (elem[0] == 'sin' || elem[0] == 'cos' || elem[0] == 'tan') {
+					var subText = '';
+					if (jsArray[depth] !== '' && /[\+\-\u00D7\u00F7\*\/\=\[(]/.test(jsArray[depth].slice(-1)) == false) subText += "*";
+					depth++;
+					position.push(0);
+					jsArray[depth] = '';
+					subJS(elem[1], false);
+					jsArray[depth] = replaceAll(jsArray[depth], ' ', '');
+					var convertText1 = '';
+					var convertText2 = '';
+					if (angleMode == 'deg' || angleMode == 'degrees') {
+						convertText1 = '(';
+						convertText2 = ')*Math.PI/180';
+					}
+					subText += 'Math.' + elem[0] + '(' + convertText1 + jsArray[depth] + convertText2 + ')';
+					jsArray[depth] = '';
+					depth--;
+					position.pop();
+					jsArray[depth] += subText;
+					algArray[depth] += subText;
+					return;
+				} else if (elem[0] == 'sin-1' || elem[0] == 'cos-1' || elem[0] == 'tan-1') {
+					var subText = '';
+					if (jsArray[depth] !== '' && /[\+\-\u00D7\u00F7\*\/\=\[(]/.test(jsArray[depth].slice(-1)) == false) subText += "*";
+					depth++;
+					position.push(0);
+					jsArray[depth] = '';
+					subJS(elem[1], false);
+					jsArray[depth] = replaceAll(jsArray[depth], ' ', '');
+					var convertText1 = '';
+					var convertText2 = '';
+					if (angleMode == 'deg' || angleMode == 'degrees') {
+						convertText1 = '((';
+						convertText2 = ')*180/Math.PI)';
+					}
+					subText += convertText1 + 'Math.a' + elem[0].slice(0, 3) + '(' + jsArray[depth] + ')' + convertText2;;
+					jsArray[depth] = '';
+					depth--;
+					position.pop();
+					jsArray[depth] += subText;
+					algArray[depth] += subText;
+					return;
+				} else if (elem[0] == 'ln') {
+					var subText = '';
+					if (jsArray[depth] !== '' && /[\+\-\u00D7\u00F7\*\/\=\[(]/.test(jsArray[depth].slice(-1)) == false) subText += "*";
+					depth++;
+					position.push(0);
+					jsArray[depth] = '';
+					subJS(elem[1], false);
+					jsArray[depth] = replaceAll(jsArray[depth], ' ', '');
+					subText += 'Math.log(' + jsArray[depth] + ')';
+					jsArray[depth] = '';
+					position.pop();
+					depth--;
+					jsArray[depth] += subText;
+					algArray[depth] += subText;
+					return;
+				} else if (elem[0] == 'log') {
+					var subText = '';
+					if (jsArray[depth] !== '' && /[\+\-\u00D7\u00F7\*\/\=\[(]/.test(jsArray[depth].slice(-1)) == false) subText += "*";
+					depth++;
+					position.push(0);
+					jsArray[depth] = '';
+					subJS(elem[1], false);
+					jsArray[depth] = replaceAll(jsArray[depth], ' ', '');
+					subText += '((Math.log(' + jsArray[depth] + '))/(Math.log(10)))';
+					jsArray[depth] = '';
+					depth--;
+					position.pop();
+					jsArray[depth] += subText;
+					algArray[depth] += subText;
+					return;
+				} else if (elem[0] == 'logBase') {
+					var subText = '';
+					if (jsArray[depth] !== '' && /[\+\-\u00D7\u00F7\*\/\=\[(]/.test(jsArray[depth].slice(-1)) == false) subText += "*";
+					depth++;
+					position.push(0);
+					jsArray[depth] = '';
+					subJS(elem[2], false);
+					jsArray[depth] = replaceAll(jsArray[depth], ' ', '');
+					subText += '((Math.log(' + jsArray[depth] + '))/';
+					jsArray[depth] = '';
+					subJS(elem[1], false);
+					jsArray[depth] = replaceAll(jsArray[depth], ' ', '');
+					subText += '(Math.log(' + jsArray[depth] + ')))';
+					jsArray[depth] = '';
+					depth--;
+					position.pop();
+					jsArray[depth] += subText;
+					algArray[depth] += subText;
+					return;
+				} else if (elem[0] == 'abs') {
+					var subText = '';
+					if (jsArray[depth] !== '' && /[\+\-\u00D7\u00F7\*\/\=\[(]/.test(jsArray[depth].slice(-1)) == false) subText += "*";
+					depth++;
+					position.push(0);
+					jsArray[depth] = '';
+					subJS(elem[1], false);
+					jsArray[depth] = replaceAll(jsArray[depth], ' ', '');
+					subText += 'Math.abs(' + jsArray[depth] + ')';
+					jsArray[depth] = '';
+					depth--;
+					position.pop();
+					jsArray[depth] += subText;
+					algArray[depth] += subText;
+					return;
+				} else if (elem[0] == 'power' || elem[0] == 'pow') {
+					var baseSplitPoint = 0;
+					var trigPower = false;
+					if (jsArray[depth] !== '') {
+						if (jsArray[depth].charAt(jsArray[depth].length - 1) == ')') {
+							var bracketCount = 1;
+							for (jsChar = jsArray[depth].length - 2; jsChar >= 0; jsChar--) {
+								if (jsArray[depth].charAt(jsChar) == ')') {
+									bracketCount++
+								}
+								if (jsArray[depth].charAt(jsChar) == '(') {
+									bracketCount--
+								}
+								if (bracketCount == 0 && !baseSplitPoint) {
+									baseSplitPoint = jsChar;
+									break;
+								}
+							}
+						} else if (jsArray[depth].slice(jsArray[depth].length - 3) == 'sin' || jsArray[depth].slice(jsArray[depth].length - 3) == 'coa' || jsArray[depth].slice(jsArray[depth].length - 3) == 'tan') {
+							trigPower = true;
+						} else if (/[A-Za-z]/g.test(jsArray[depth].charAt(jsArray[depth].length - 1)) == true) {
+							baseSplitPoint = jsArray[depth].length - 1;
+						} else if (/[0-9]/g.test(jsArray[depth].charAt(jsArray[depth].length - 1)) == true) {
+							var decPoint = false;
+							for (jsChar = jsArray[depth].length - 2; jsChar >= 0; jsChar--) {
+								if (decPoint == false && jsArray[depth].charAt(jsChar) == '.') {
+									decPoint = true;
+								} else if (decPoint == true && jsArray[depth].charAt(jsChar) == '.') {
+									baseSplitPoint = jsChar + 1;
+									break;
+								} else if (/[0-9]/g.test(jsArray[depth].charAt(jsChar)) == false) {
+									baseSplitPoint = jsChar + 1;
+									break;
+								}
+							}
+						} else {
+							return '';
+						}
+					}
+					var base = jsArray[depth].slice(baseSplitPoint);
+					jsArray[depth] = jsArray[depth].slice(0, baseSplitPoint);
+					depth++;
+					position.push(0);
+					jsArray[depth] = '';
+					subJS(elem[2], false);
+					jsArray[depth] = replaceAll(jsArray[depth], ' ', '');
+					if (trigPower == true) {
+						if (jsArray[depth] == '-1') {
+							jsArray[depth - 1] = jsArray[depth - 1].slice(0, -3) + 'Math.a' + jsArray[depth - 1].slice(-3);
+						}
+					} else {
+						var subText = 'Math.pow(' + base + ',' + jsArray[depth] + ')';
+						var subText2 = base + '^' + jsArray[depth];
+					}
+					jsArray[depth] = '';
+					depth--;
+					position.pop();
+					jsArray[depth] += subText;
+					algArray[depth] += subText2;
+					return;
+				} else if (typeof elem == 'object') {
+					depth++;
+					position.push(0);
+					jsArray[depth] = '';
+					for (var sub = 0; sub < elem.length; sub++) {
+						subJS(elem[sub], addMultIfNecc);
+					}
+					jsArray[depth - 1] += jsArray[depth];
+					algArray[depth - 1] += algArray[depth];
+					jsArray[depth] = '';
+					depth--;
+					position.pop();
+					return;
+				}
+			}
+
+			function timesBeforeLetters(testText) {
+				for (q = 0; q < testText.length; q++) {
+					if (q > 0) {
+						if (/[a-zA-Z]/g.test(testText.charAt(q)) == true && /[a-zA-Z0-9)]/.test(testText.charAt(q - 1)) == true) {
+							testText = testText.slice(0, q) + '*' + testText.slice(q);
+						}
+						if (/[\[(]/g.test(testText.charAt(q)) == true && testText.length > q && /[A-Za-z0-9)]/g.test(testText.charAt(q - 1)) == true) {
+							testText = testText.slice(0, q) + '*' + testText.slice(q);
+						}
+					}
+					for (var i = 0; i < exceptions.length; i++) {
+						if (testText.slice(q).indexOf(exceptions[i]) == 0) {
+							q += exceptions[i].length;
+						}
+					}
+				}
+				return testText;
+			}
+			return js;
+		},
+		addFunction: function () {
+			var path = draw.path[draw.currCursor.pathNum];
+			var obj = path.obj[0];
+			if (un(obj.path)) obj.path = [];
+			var gridPath = {
+				type: 'function',
+				text: [''],
+				color: '#00F',
+			};
+			obj.path.push(gridPath);
+			drawCanvasPaths();
+			gridPath._textObj.textEdit = true;
+			path._interacting = true;
+			drawSelectedPaths();
+			textEdit.start(draw.currCursor.pathNum,gridPath._textObj,0);
+		},
+		toggleSelected: function () {
+			var gridPath = draw.currCursor.gridPath;
+			gridPath._selected = !gridPath._selected;
+			drawCanvasPaths();
+		},
+		changeColor: function () {
+			var obj = draw.currCursor.obj;
+			var gridPath = draw.currCursor.gridPath;
+			gridPath._colorPicker = !gridPath._colorPicker;
+			drawCanvasPaths();
+		},
+		setColor: function() {
+			var obj = draw.currCursor.obj;
+			var gridPath = obj.path[draw.currCursor.gridPathIndex];
+			var color = draw.currCursor.color;
+			gridPath.color = color;
+			delete gridPath._colorPicker;
+			drawCanvasPaths();
+		},
+		changeValue: function () {
+			var obj = draw.currCursor.obj;
+			var gridPath = draw.currCursor.gridPath;
+			var value = prompt('Function (in js)', gridPath._value);
+			if (value === false || value === null)
+				return;
+			try {
+				gridPath.func = new Function('return ' + 'function(x) {return ' + value + ';}')();
+			} catch (error) {
+				Notifier.error('invalid function');
+			};
+			drawCanvasPaths();
+		},
+		changeSize: function () {
+			var obj = draw.currCursor.obj;
+			var gridPath = draw.currCursor.gridPath;
+			var value = gridPath.lineWidth || gridPath.radius || 2;
+			var value = prompt('Width', value);
+			if (value === false || value === null || isNaN(Number(value)) || Number(value) < 1)
+				return;
+			if (!un(gridPath.radius)) {
+				gridPath.radius = value;
+			} else {
+				gridPath.lineWidth = value;
+			}
+			drawCanvasPaths();
+		},
+		deletePath: function () {
+			var obj = draw.currCursor.obj;
+			var gridPathIndex = draw.currCursor.gridPathIndex;
+			obj.path.splice(gridPathIndex, 1);
+			drawCanvasPaths();
+		},
+		setPointStyle: function() {
+			var obj = draw.currCursor.obj;
+			var gridPath = obj.path[draw.currCursor.gridPathIndex];
+			var style = draw.currCursor.style;
+			gridPath.style = style;
+			delete gridPath._colorPicker;
+			drawCanvasPaths();
+		}
+	},
+	zoomGrid: function(factor) {
+		var path = draw.path[draw.currCursor.pathNum];
+		var obj = path.obj[0];
+		var xMid = (obj.xMax+obj.xMin)/2;
+		var yMid = (obj.yMax+obj.yMin)/2;
+		var xDiff = (obj.xMax-obj.xMin)/2;
+		var yDiff = (obj.yMax-obj.yMin)/2;
+		obj.xMin = xMid-factor*xDiff;
+		obj.xMax = xMid+factor*xDiff;
+		obj.yMin = yMid-factor*yDiff;
+		obj.yMax = yMid+factor*yDiff;
+		draw.grid.autoSetScales(obj);
+		drawCanvasPaths();
+	},
+	autoSetScales: function(obj) {
+		var xDiff = obj.xMax - obj.xMin;
+		var xMag = Math.log(xDiff)/Math.log(10);
+		var xMag1 = Math.floor(xMag);
+		var xMag2 = xMag - xMag1;
+		if (xDiff % 180 == 0) { // assume degrees
+			obj.xMinorStep = Math.pow(10,xMag1-2)*30;
+			obj.xMajorStep = Math.pow(10,xMag1-2)*90;
+		} else {
+			if (xMag2 < 0.35) {
+				obj.xMinorStep = Math.pow(10,xMag1-2)*10;
+				obj.xMajorStep = Math.pow(10,xMag1-1)*2;		
+			} else if (xMag2 < 0.5) {
+				obj.xMinorStep = Math.pow(10,xMag1-1);
+				obj.xMajorStep = Math.pow(10,xMag1)/2;		
+			} else if (xMag2 < 0.65) {
+				obj.xMinorStep = Math.pow(10,xMag1-1);
+				obj.xMajorStep = Math.pow(10,xMag1-1)*2;		
+			} else {
+				obj.xMinorStep = Math.pow(10,xMag1-1)*5;
+				obj.xMajorStep = Math.pow(10,xMag1);		
+			}
+		}
+		
+		var yDiff = obj.yMax - obj.yMin;
+		var yMag = Math.log(yDiff)/Math.log(10);
+		var yMag1 = Math.floor(yMag);
+		var yMag2 = yMag - yMag1;
+		if (yMag2 < 0.35) {
+			obj.yMinorStep = Math.pow(10,yMag1-2)*10;
+			obj.yMajorStep = Math.pow(10,yMag1-1)*2;		
+		} else if (yMag2 < 0.5) {
+			obj.yMinorStep = Math.pow(10,yMag1-1);
+			obj.yMajorStep = Math.pow(10,yMag1)/2;		
+		} else if (yMag2 < 0.65) {
+			obj.yMinorStep = Math.pow(10,yMag1-1);
+			obj.yMajorStep = Math.pow(10,yMag1-1)*2;		
+		} else {
+			obj.yMinorStep = Math.pow(10,yMag1-1)*5;
+			obj.yMajorStep = Math.pow(10,yMag1);		
+		}
+	},
+
+	getSnapPos: function (obj) {
+		var xStep = obj.xSnapStep || obj.xMinorStep;
+		var yStep = obj.ySnapStep || obj.yMinorStep;
+		var xMinorSpacing = (obj.width * xStep) / (obj.xMax - obj.xMin);
+		var yMinorSpacing = (obj.height * yStep) / (obj.yMax - obj.yMin);
+		var x0 = obj.left - (obj.xMin * obj.width) / (obj.xMax - obj.xMin);
+		var y0 = obj.top + (obj.yMax * obj.height) / (obj.yMax - obj.yMin);
+
+		var xPos = [];
+		var xAxisPoint = x0;
+		while (roundToNearest(xAxisPoint, 0.01) <= roundToNearest(obj.left + obj.width, 0.01)) {
+			if (roundToNearest(xAxisPoint, 0.01) > roundToNearest(obj.left, 0.01) && xPos.indexOf(xAxisPoint) == -1)
+				xPos.push(xAxisPoint);
+			xAxisPoint += xMinorSpacing;
+		}
+		var xAxisPoint = x0;
+		while (roundToNearest(xAxisPoint, 0.01) >= roundToNearest(obj.left, 0.01)) {
+			if (roundToNearest(xAxisPoint, 0.01) < roundToNearest(obj.left + obj.width, 0.01) && xPos.indexOf(xAxisPoint) == -1)
+				xPos.push(xAxisPoint);
+			xAxisPoint -= xMinorSpacing;
+		}
+
+		var yPos = [];
+		var yAxisPoint = y0;
+		while (roundToNearest(yAxisPoint, 0.01) <= roundToNearest(obj.top + obj.height, 0.01)) {
+			if (roundToNearest(yAxisPoint, 0.01) > roundToNearest(obj.top, 0.01) && yPos.indexOf(yAxisPoint) == -1)
+				yPos.push(yAxisPoint);
+			yAxisPoint += yMinorSpacing;
+		}
+		var yAxisPoint = y0;
+		while (roundToNearest(yAxisPoint, 0.01) >= roundToNearest(obj.top, 0.01)) {
+			if (roundToNearest(yAxisPoint, 0.01) < roundToNearest(obj.top + obj.height, 0.01) && yPos.indexOf(yAxisPoint) == -1)
+				yPos.push(yAxisPoint);
+			yAxisPoint -= yMinorSpacing;
+		}
+
+		var pos = [];
+		for (var x = 0; x < xPos.length; x++) {
+			for (var y = 0; y < yPos.length; y++) {
+				pos.push({
+					type: 'point',
+					pos: [xPos[x], yPos[y]]
+				});
+			}
+		}
+		return pos;
+	},
+	showGrid: function () {
+		var pathNum = draw.currCursor.pathNum;
+		var obj = draw.path[pathNum].obj[0];
+		if (typeof obj.showGrid == 'undefined') {
+			obj.showGrid = false;
+		} else {
+			obj.showGrid = !obj.showGrid;
+		}
+		drawCanvasPaths();
+	},
+	showScales: function () {
+		var pathNum = draw.currCursor.pathNum;
+		var obj = draw.path[pathNum].obj[0];
+		if (typeof obj.showScales == 'undefined') {
+			obj.showScales = false;
+		} else {
+			obj.showScales = !obj.showScales;
+		}
+		drawCanvasPaths();
+	},
+	showLabels: function () {
+		var pathNum = draw.currCursor.pathNum;
+		var obj = draw.path[pathNum].obj[0];
+		if (typeof obj.showLabels == 'undefined') {
+			obj.showLabels = false;
+		} else {
+			obj.showLabels = !obj.showLabels;
+		}
+		drawCanvasPaths();
+	},
+	showBorder: function () {
+		var pathNum = draw.currCursor.pathNum;
+		var obj = draw.path[pathNum].obj[0];
+		if (typeof obj.showBorder == 'undefined') {
+			obj.showBorder = false;
+		} else {
+			obj.showBorder = !obj.showBorder;
+		}
+		drawCanvasPaths();
+	},
+	originStyle: function () {
+		var pathNum = draw.currCursor.pathNum;
+		var obj = draw.path[pathNum].obj[0];
+		if (typeof obj.originStyle == 'undefined' || obj.originStyle == 'circle') {
+			obj.originStyle = 'numbers';
+		} else {
+			obj.originStyle = 'circle';
+		}
+		drawCanvasPaths();
+	},
+	toHistogram: function () {
+		var obj = sel();
+		if (obj.type !== 'grid')
+			return;
+		obj.originStyle = 'numbers';
+		obj.xMin = 0;
+		obj.xMax = 35;
+		obj.yMin = 0;
+		obj.yMax = 2;
+		obj.yMajorStep = 0.5;
+		obj.yMinorStep = 0.1;
+		obj.plot = [{
+				type: 'histogram',
+				fillStyle: '#CFF',
+				chartData: [{
+						min: 0,
+						max: 10,
+						freq: 5
+					}, {
+						min: 10,
+						max: 15,
+						freq: 8
+					}, {
+						min: 15,
+						max: 20,
+						freq: 7,
+						fillStyle: '#FCF'
+					}, {
+						min: 20,
+						max: 35,
+						freq: 8
+					}
+				]
+			}
+		];
+		obj.axisLabels = [{
+				text: ['<<fontSize:28>>Time (s)']
+			}, {
+				text: ['<<fontSize:28>>Frequency' + br + 'Density']
+			}
+		];
+		console.log(obj);
+		updateBorder(selPath());
+		drawCanvasPaths();
+	},
+	toCFreq: function () {
+		var obj = sel();
+		if (obj.type !== 'grid')
+			return;
+		obj.originStyle = 'numbers';
+		obj.xMin = 0;
+		obj.xMax = 140;
+		obj.yMin = 0;
+		obj.yMax = 70;
+		obj.xMajorStep = 20;
+		obj.xMinorStep = 10;
+		obj.yMajorStep = 10;
+		obj.yMinorStep = 5;
+		obj.plot = [{
+				type: 'cFreq',
+				pointStyle: 'circle',
+				chartData: [[0, 0], [25, 20], [50, 43], [75, 48], [100, 56], [125, 62]]
+			}
+		];
+		obj.axisLabels = [{
+				text: ['<<fontSize:28>>Time (s)']
+			}, {
+				text: ['<<fontSize:28>>Cumulative Frequency']
+			}
+		];
+		console.log(obj);
+		updateBorder(selPath());
+		drawCanvasPaths();
+	},
+	toScatter: function () {
+		var obj = sel();
+		if (obj.type !== 'grid')
+			return;
+		obj.originStyle = 'numbers';
+		obj.xMin = 0;
+		obj.xMax = 140;
+		obj.yMin = 0;
+		obj.yMax = 70;
+		obj.xMajorStep = 20;
+		obj.xMinorStep = 10;
+		obj.yMajorStep = 10;
+		obj.yMinorStep = 5;
+		obj.plot = [{
+				type: 'scatter',
+				pointStyle: 'circle',
+				chartData: [[25, 20], [50, 43], [75, 48], [100, 56], [125, 62]]
+			}
+		];
+		obj.axisLabels = [{
+				text: ['<<fontSize:28>>Weight (kg)']
+			}, {
+				text: ['<<fontSize:28>>Height (cm)']
+			}
+		];
+		console.log(obj);
+		updateBorder(selPath());
+		drawCanvasPaths();
+	},
+	toFreqPolygon: function () {
+		var obj = sel();
+		if (obj.type !== 'grid')
+			return;
+		obj.originStyle = 'numbers';
+		obj.xMin = 0;
+		obj.xMax = 140;
+		obj.yMin = 0;
+		obj.yMax = 70;
+		obj.xMajorStep = 20;
+		obj.xMinorStep = 10;
+		obj.yMajorStep = 10;
+		obj.yMinorStep = 5;
+		obj.plot = [{
+				type: 'freqPolygon',
+				pointStyle: 'circle',
+				chartData: [[25, 20], [50, 43], [75, 48], [100, 56], [125, 62]]
+			}
+		];
+		obj.axisLabels = [{
+				text: ['<<fontSize:28>>Time (days)']
+			}, {
+				text: ['<<fontSize:28>>Height (cm)']
+			}
+		];
+		console.log(obj);
+		updateBorder(selPath());
+		drawCanvasPaths();
+	},
+	drawButton: function (ctx, size) {
+		ctx.lineWidth = 0.02 * size;
+		ctx.strokeStyle = '#666';
+
+		for (var i = 2; i <= 8; i++) {
+			ctx.moveTo(0.2 * size, 0.1 * i * size);
+			ctx.lineTo(0.8 * size, 0.1 * i * size);
+			ctx.moveTo(0.1 * i * size, 0.2 * size);
+			ctx.lineTo(0.1 * i * size, 0.8 * size);
+		}
+		ctx.stroke();
+
+		drawArrow({
+			ctx: ctx,
+			startX: 0.2 * size,
+			startY: 0.5 * size,
+			finX: 0.8 * size,
+			finY: 0.5 * size,
+			lineWidth: 0.02 * size,
+			arrowLength: 0.06 * size
+		});
+		drawArrow({
+			ctx: ctx,
+			startX: 0.5 * size,
+			startY: 0.8 * size,
+			finX: 0.5 * size,
+			finY: 0.2 * size,
+			lineWidth: 0.02 * size,
+			arrowLength: 0.06 * size
+		});
+	},
+	gridPathStart: function () {
+		var obj = draw.currCursor.obj;
+		draw.gridPath = {
+			obj: obj
+		};
+		if (un(obj.path))
+			obj.path = [];
+		draw.gridDrawMode = draw.currCursor.mode;
+		var pos = getCoordAtMousePos(obj);
+		if (draw.gridDrawMode == 'grid-drawLineSegmentPoints' || draw.currCursor.mode == 'drawLineSegmentPoints') {
+			draw.gridDrawPoints = [];
+			var found = false;
+			for (var p = 0; p < obj.path.length; p++) {
+				if (obj.path[p].type !== 'point')
+					continue;
+				var pos2 = obj.path[p].pos;
+				draw.gridDrawPoints.push(pos2);
+				if (dist(pos[0], pos[1], pos2[0], pos2[1]) < 1) {
+					pos = clone(pos2);
+					found = true;
+				}
+			}
+			if (found == false)
+				return;
+		} else {
+			pos[0] = roundToNearest(pos[0], obj.xMinorStep);
+			pos[1] = roundToNearest(pos[1], obj.yMinorStep);
+		}
+		obj.path.push({
+			type: 'lineSegment',
+			pos: [clone(pos), clone(pos)],
+			strokeStyle: draw.color,
+			lineWidth: draw.thickness
+		});
+		drawCanvasPaths();
+		draw.animate(draw.grid.gridPathMove,draw.grid.gridPathStop,drawCanvasPaths);
+		//addListenerMove(window, draw.grid.gridPathMove);
+		//addListenerEnd(window, draw.grid.gridPathStop);
+	},
+	gridPathMove: function (e) {
+		updateMouse(e);
+		var obj = draw.gridPath.obj;
+		var path = obj.path.last();
+		var pos = getCoordAtMousePos(obj);
+		if (draw.gridDrawMode == 'grid-drawLineSegmentPoints') {
+			for (var p = 0; p < draw.gridDrawPoints.length; p++) {
+				var pos2 = draw.gridDrawPoints[p];
+				if (arraysEqual(pos2, path.pos[0]))
+					continue;
+				if (dist(pos[0], pos[1], pos2[0], pos2[1]) < 1) {
+					pos = clone(pos2);
+					break;
+				}
+			}
+		} else {
+			pos[0] = bound(pos[0], obj.xMin, obj.xMax, obj.xMinorStep);
+			pos[1] = bound(pos[1], obj.yMin, obj.yMax, obj.yMinorStep);
+			pos[0] = roundToNearest(pos[0], obj.xMinorStep);
+			pos[1] = roundToNearest(pos[1], obj.yMinorStep);
+		}
+		if (arraysEqual(path.pos[1], pos) == false) {
+			path.pos[1] = pos;
+			//drawCanvasPaths();
+		}
+	},
+	gridPathStop: function (e) {
+		var obj = draw.gridPath.obj;
+		var path = obj.path.last();
+		if (draw.gridDrawMode == 'grid-drawLineSegmentPoints') {
+			var found = false;
+			for (var p = 0; p < draw.gridDrawPoints.length; p++) {
+				var pos2 = draw.gridDrawPoints[p];
+				if (arraysEqual(pos2, path.pos[0]))
+					continue;
+				if (arraysEqual(pos2, path.pos[1]))
+					found = true;
+			}
+			if (found == false) {
+				obj.path.pop();
+				drawCanvasPaths();
+			}
+		} else {
+			if (arraysEqual(path.pos[0], path.pos[1]) == true) {
+				obj.path.pop();
+				if (obj.path.length == 0)
+					delete obj.path;
+				drawCanvasPaths();
+			}
+		}
+		delete draw.gridPath;
+		delete draw.gridDrawMode;
+		delete draw.gridDrawPoints;
+		//removeListenerMove(window, draw.grid.gridPathMove);
+		//removeListenerEnd(window, draw.grid.gridPathStop);
+	},
+	moveStart: function (e) {
+		var obj = draw.currCursor.obj;
+		changeDrawMode('gridDragMove');
+		updateMouse(e);
+		draw.drag = {
+			obj: obj,
+			pos:clone(draw.mouse)
+		};
+		obj._path._interacting = true;
+		drawCanvasPaths();
+		calcCursorPositions();
+		draw.animate(draw.grid.moveMove,draw.grid.moveStop,drawCanvasPaths);
+		//addListenerMove(window, draw.grid.moveMove);
+		//addListenerEnd(window, draw.grid.moveStop);
+		draw.cursorCanvas.style.cursor = draw.cursors.move2;
+	},
+	moveMove: function (e) {
+		updateMouse(e);
+		var obj = draw.drag.obj;
+		var dx = draw.mouse[0]-draw.drag.pos[0];
+		var dy = draw.mouse[1]-draw.drag.pos[1];
+		var dx2 = dx * (obj.xMax-obj.xMin)/obj.width;
+		var dy2 = dy * (obj.yMax-obj.yMin)/obj.height;
+		obj.xMin -= dx2;
+		obj.xMax -= dx2;
+		obj.yMin += dy2;
+		obj.yMax += dy2;
+		//drawSelectedPaths(false);
+		draw.drag.pos = clone(draw.mouse);
+	},
+	moveStop: function (e) {
+		var obj = draw.drag.obj;
+		changeDrawMode();
+		delete obj._path._interacting;
+		delete draw.drag;
+		
+		var xMag = Math.floor(Math.log(obj.xMax - obj.xMin)/Math.log(10));
+		var yMag = Math.floor(Math.log(obj.yMax - obj.yMin)/Math.log(10));
+		xMag = Math.pow(10,xMag-1);
+		yMag = Math.pow(10,yMag-1);
+		obj.xMin = roundToNearest(obj.xMin,xMag);
+		obj.xMax = roundToNearest(obj.xMax,xMag);
+		obj.yMin = roundToNearest(obj.yMin,yMag);
+		obj.yMax = roundToNearest(obj.yMax,yMag);
+		
+		drawCanvasPaths();
+		//removeListenerMove(window, draw.grid.moveMove);
+		//removeListenerEnd(window, draw.grid.moveStop);
+		draw.cursorCanvas.style.cursor = draw.cursors.move1;
+	},
+
+	scale: function (obj, sf, center) {
+		if (!un(center)) {
+			obj.left = center[0] + sf * (obj.left - center[0]);
+			obj.top = center[1] + sf * (obj.top - center[1]);
+		}
+		obj.width *= sf;
+		obj.height *= sf;
+		if (!un(obj.xScaleOffset))
+			obj.xScaleOffset *= sf;
+		if (!un(obj.yScaleOffset))
+			obj.yScaleOffset *= sf;
+		if (!un(obj.minorWidth))
+			obj.minorWidth *= sf;
+		if (!un(obj.majorWidth))
+			obj.majorWidth *= sf;
+		if (!un(obj.fontSize))
+			obj.fontSize *= sf;
+	},
+
+	getCursorPositionsSelected: function (obj, pathNum) {
+		var path = draw.path[pathNum];
+		var pos = [];
+		if (!un(obj._interactMode) && obj._interactMode !== 'none' && !un(draw.grid.interact[obj._interactMode])) {
+			pos.push({
+				shape: 'rect',
+				dims: [obj.left - 10, obj.top - 10, obj.width + 20, obj.height + 20],
+				cursor: obj._interactCursor,
+				func: draw.grid.interact[obj._interactMode],
+				obj: obj,
+				pathNum: pathNum,
+				highlight: -1
+			});
+		}
+		return pos;
+	},
+	getCursorPositionsInteract: function (obj, path, pathNum) {
+		var pos = [];
+
+		var interact = path.isInput || path.interact || obj.interact;
+		if (!un(interact) && interact._disabled !== true && interact.disabled !== true) {
+			var x2 = obj.left + obj.width + 40;
+			var y1 = obj.top;
+			var buttons = interact.buttons || draw.grid.interactDefaultButtons;
+			for (var b = 0; b < buttons.length; b++) {
+				var button = buttons[b];
+				pos.push({
+					buttonType: 'grid-' + button,
+					shape: 'rect',
+					dims: [x2, y1 + 40 * b, 40, 40],
+					cursor: draw.cursors.pointer,
+					func: draw.grid.interactButtonClick,
+					pathNum: pathNum,
+					obj: obj,
+					mode: button
+				});
+			}
+
+			if (un(obj._interactMode)) obj._interactMode = interact.startMode || interact.mode2 || 'none';
+			if (obj._interactMode !== 'none') {
+				if (un(obj._interactCursor)) obj._interactCursor = draw.grid.getInteractCursor(path, obj);
+				var func = obj._interactMode == 'move' ? draw.grid.moveStart : draw.grid.interact[obj._interactMode];
+				pos.push({
+					shape: 'rect',
+					dims: [obj.left - 10, obj.top - 10, obj.width + 20, obj.height + 20],
+					cursor: obj._interactCursor,
+					func: func,
+					obj: obj,
+					pathNum: pathNum,
+					highlight: -1
+				});
+			}
+		}
+		return pos;
+	},
+	interactDefaultButtons: ['plot', 'lineSegment', 'line', 'undo', 'clear'],
+	drawInteractButton: function (ctx, obj, type, l, t, w, h, color, backColor) {
+		var color = !un(color) ? color : '#000';
+		ctx.save();
+		switch (type) {
+			case 'grid-plot':
+			case 'plot':
+			case 'point':
+				ctx.fillStyle = !un(backColor) ? backColor : obj._interactMode == 'plot' ? colorA('#00F', 1) : colorA('#99F', 1);
+				ctx.fillRect(l, t, w, h);
+				ctx.strokeStyle = '#000';
+				ctx.lineWidth = 1;
+				ctx.strokeRect(l, t, w, h);
+				ctx.lineWidth = 2;
+				ctx.strokeStyle = color;
+				ctx.beginPath();
+				ctx.moveTo(l + 0.35 * w, t + 0.35 * h);
+				ctx.lineTo(l + 0.65 * w, t + 0.65 * h);
+				ctx.moveTo(l + 0.35 * w, t + 0.65 * h);
+				ctx.lineTo(l + 0.65 * w, t + 0.35 * h);
+				ctx.stroke();
+				break;
+			case 'pointCircle':
+				ctx.fillStyle = !un(backColor) ? backColor : obj._interactMode == 'plot' ? colorA('#00F', 1) : colorA('#99F', 1);
+				ctx.fillRect(l, t, w, h);
+				ctx.strokeStyle = '#000';
+				ctx.lineWidth = 1;
+				ctx.strokeRect(l, t, w, h);
+				ctx.fillStyle = color;
+				ctx.beginPath();
+				ctx.arc(l + 0.5 * w, t + 0.5 * h, 0.15*w, 0, 2*Math.PI);
+				ctx.fill();
+				break;
+			case 'grid-lineSegment':
+			case 'lineSegment':
+				ctx.fillStyle = !un(backColor) ? backColor : obj._interactMode == 'lineSegment' ? colorA('#00F', 1) : colorA('#99F', 1);
+				ctx.fillRect(l, t, w, h);
+				ctx.lineWidth = 1;
+				ctx.strokeStyle = '#000';
+				ctx.strokeRect(l, t, w, h);
+				ctx.lineWidth = 2;
+				ctx.strokeStyle = color;
+				ctx.beginPath();
+				ctx.moveTo(l + 0.3 * w, t + 0.4 * h);
+				ctx.lineTo(l + 0.7 * w, t + 0.6 * h);
+				ctx.stroke();
+				break;
+			case 'grid-line':
+			case 'line':
+				ctx.fillStyle = !un(backColor) ? backColor : obj._interactMode == 'line' ? colorA('#00F', 1) : colorA('#99F', 1);
+				ctx.fillRect(l, t, w, h);
+				ctx.strokeStyle = '#000';
+				ctx.lineWidth = 1;
+				ctx.strokeRect(l, t, w, h);
+				ctx.lineWidth = 2;
+				ctx.strokeStyle = color;
+				ctx.beginPath();
+				ctx.moveTo(l, t + 0.3 * h);
+				ctx.lineTo(l + w, t + 0.7 * h);
+				ctx.stroke();
+				break;
+			case 'grid-undo':
+			case 'undo':
+				ctx.fillStyle = !un(backColor) ? backColor : colorA('#99F', 1);
+				ctx.fillRect(l, t, w, h);
+				ctx.strokeStyle = '#000';
+				ctx.lineWidth = 1;
+				ctx.strokeRect(l, t, w, h);
+				text({
+					ctx: ctx,
+					color: color,
+					textArray: ['<<fontSize:' + (w * 0.4) + '>>undo'],
+					left: l,
+					top: t,
+					width: w,
+					height: h,
+					align: [0, 0]
+				});
+				break;
+			case 'grid-clear':
+			case 'clear':
+				ctx.fillStyle = !un(backColor) ? backColor : colorA('#99F', 1);
+				ctx.fillRect(l, t, w, h);
+				ctx.lineWidth = 1;
+				ctx.strokeStyle = '#000';
+				ctx.strokeRect(l, t, w, h);
+				text({
+					ctx: ctx,
+					color: color,
+					textArray: ['<<fontSize:' + (w * 0.4) + '>>CLR'],
+					left: l,
+					top: t,
+					width: w,
+					height: h,
+					align: [0, 0]
+				});
+				break;
+			case 'grid-function':
+			case 'grid-function2':
+			case 'function':
+			case 'function2':
+				ctx.fillStyle = !un(backColor) ? backColor : colorA('#99F', 1);
+				ctx.fillRect(l, t, w, h);
+				ctx.lineWidth = 1;
+				ctx.strokeStyle = '#000';
+				ctx.strokeRect(l, t, w, h);
+				ctx.beginPath();
+				ctx.strokeStyle = color;
+				ctx.lineWidth = 2;
+				ctx.moveTo(l + 0.1 * w, t + 1 * h);
+				ctx.bezierCurveTo(l + 0.3 * w, t - 0.5 * h, l + 0.7 * w, t + 1.5 * h, l + 0.9 * w, t + 0 * h);
+				ctx.stroke();
+				break;
+			case 'grid-zoomIn':
+			case 'zoomIn':
+			case 'grid-zoomOut':
+			case 'zoomOut':
+				ctx.fillStyle = !un(backColor) ? backColor : colorA('#99F', 1);
+				ctx.fillRect(l, t, w, h);
+				ctx.strokeStyle = '#000';
+				ctx.lineWidth = 1;
+				ctx.strokeRect(l, t, w, h);	
+				ctx.strokeStyle = color;
+				ctx.lineWidth = (w/50)*6;
+				ctx.beginPath();
+				ctx.moveTo(l+(w/50)*20,t+(w/50)*20);
+				ctx.lineTo(l+(w/50)*35,t+(w/50)*35);
+				ctx.stroke();
+				ctx.lineWidth = (w/50)*2;	
+				ctx.beginPath();
+				ctx.fillStyle = '#FFF';
+				ctx.arc(l+(w/50)*20,t+(w/50)*20,(w/50)*10,0,2*Math.PI);
+				ctx.fill();
+				ctx.stroke();
+				ctx.beginPath();
+				ctx.moveTo(l+(w/50)*16,t+(w/50)*20);
+				ctx.lineTo(l+(w/50)*24,t+(w/50)*20);
+				if (type === 'zoomIn' || type === 'grid-zoomIn') {
+					ctx.moveTo(l+(w/50)*20,t+(w/50)*16);
+					ctx.lineTo(l+(w/50)*20,t+(w/50)*24);
+				}
+				ctx.stroke();
+				break;
+			case 'grid-move':
+			case 'move':
+				ctx.fillStyle = !un(backColor) ? backColor : obj._interactMode == 'move' ? colorA('#00F', 1) : colorA('#99F', 1);
+				ctx.fillRect(l, t, w, h);
+				ctx.strokeStyle = '#000';
+				ctx.lineWidth = 1;
+				ctx.strokeRect(l, t, w, h);
+				if (un(draw.grid.handImage)) {
+					draw.grid.handImage = new Image;
+					draw.grid.handImage.onload = function() {
+						drawCanvasPaths();
+					};
+					draw.grid.handImage.src = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAADCElEQVRYR+2WT0iacRjHvw3qBTMmMj0M8a0uC3FMSkKa8dJ7aYaSUMRYULguscTsZvCOOgzcybcJxS4yL0EwwT+7jYgOHXSXvYY4grfloYPUNshDDAI3fpLxrqz3tUaD4XOR1/f5/X4fv8/3efw1QVkwABIANACiADzKlslnNdVIeQ7gIYAfACIAeq1W6/jY2JirubmZEkUxv7y8/FGyTjzN+yl/3MUMKcBdAGabzfaaoih7uVwu7u3tcfv7+08YhhlNJBLQaDSIRqOYnp6G2WyGWq3GycmJIAgCd3x8nAbwvV4IKUBF5ng8rnG73SgUCiCf2WwWDMNACrC4uFh5tlgs2NzcrOQdHR25AST/NUAJwFMAQQAFJTBSBR4A8HEc5xwcHDR2dXUhHA4jFotBr9crUSDc19enam9vd2cymfDu7m4MwBc5iFomjE9OTrpJrUn4/X4IgiAL0NLSgomJCXi93mrp/ADe3BrAwsICRkZGUC6XrwVADERMSOKAYRgzy7LPpqamIIoiDg8P4XK5QFEU8vk80ul05Vmn052ZkCh2zryKFWCsVqu3tbV1lJxeLBa5nZ0dNU3TgarTr5KRlIfjOAQCAdjtdmn3KAb4xfN8pdYkyK9IJpOgafqs1eTqKH0vad/rAWQyGayuriKVStUNsLGxAZ7nD3K5XLBQKKQAfJWDJ13wbmZmptfpdJpYlgVx89bWVuVwn88Ho9Eot8fZe+IDj8dD+p94KqtkYbUNX/b3979YWVnRd3Z23lGpVErWXsi5CcB9g8Hg0Gq1/NLSUtvAwMCtA5AD//gvqJcgEolgfX3909ra2lsAHwB8U7KHdBI+AvAqFArZHA7HPTKK64nT7qn7riA7ipVC/E2A3p6envHu7m7f/Pw8Ojo6rmTI5XIIBoMgrbe9vf0ewGel0CSvlgLk+8cGg8E/OzvLDg0NaU0m06V7/s37wPlDaHJB4XneUp2StSj+a4A2AK5QKKSbm5u7sgTDw8MolUqk9WRH7/mNLvNAPT66UW4DoKFAQ4GGAr8B6HWSMOjcjREAAAAASUVORK5CYII=";
+				} else {
+					var w2 = draw.grid.handImage.naturalWidth;
+					var h2 = draw.grid.handImage.naturalHeight;
+					ctx.drawImage(draw.grid.handImage,l+13,t+13,w2,h2);
+				}
+				break;
+		}
+		ctx.restore();
+	},
+	getButtons: function (x1, y1, x2, y2, pathNum) {
+		var buttons = [{
+				buttonType: 'grid-showGrid',
+				shape: 'rect',
+				dims: [x1, y1 + 20, 20, 20],
+				cursor: draw.cursors.pointer,
+				func: draw.grid.showGrid,
+				pathNum: pathNum
+			}, {
+				buttonType: 'grid-showScales',
+				shape: 'rect',
+				dims: [x1, y1 + 40, 20, 20],
+				cursor: draw.cursors.pointer,
+				func: draw.grid.showScales,
+				pathNum: pathNum
+			}, {
+				buttonType: 'grid-showLabels',
+				shape: 'rect',
+				dims: [x1, y1 + 60, 20, 20],
+				cursor: draw.cursors.pointer,
+				func: draw.grid.showLabels,
+				pathNum: pathNum
+			}, {
+				buttonType: 'grid-showBorder',
+				shape: 'rect',
+				dims: [x1, y1 + 80, 20, 20],
+				cursor: draw.cursors.pointer,
+				func: draw.grid.showBorder,
+				pathNum: pathNum
+			}, {
+				buttonType: 'grid-originStyle',
+				shape: 'rect',
+				dims: [x1, y1 + 100, 20, 20],
+				cursor: draw.cursors.pointer,
+				func: draw.grid.originStyle,
+				pathNum: pathNum
+			}
+		]
+		buttons.push({
+			buttonType: 'grid-interact',
+			shape: 'rect',
+			dims: [(x1 + x2) / 2 - 50, y1, 100, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.grid.toggleInteract,
+			pathNum: pathNum,
+			draw: function (path, ctx, l, t, w, h) {
+				if (!un(path.interact) && path.interact.type == 'grid') {
+					ctx.fillStyle = '#F90';
+					ctx.fillRect(l, t, w, h);
+					text({
+						ctx: ctx,
+						align: [0, 0],
+						rect: [l, t, w, h],
+						text: ['<<fontSize:14>>interact: grid']
+					});
+				} else {
+					ctx.strokeStyle = '#F90';
+					ctx.lineWidth = 2;
+					ctx.strokeRect(l, t, w, h);
+					text({
+						ctx: ctx,
+						align: [0, 0],
+						rect: [l, t, w, h],
+						text: ['<<fontSize:14>>interact: none']
+					});
+				}
+			}
+		});
+		buttons.push({
+			buttonType: 'grid-controls',
+			shape: 'rect',
+			dims: [x2 - 170, y2-20, 150, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.grid.toggleControls,
+			pathNum: pathNum,
+			draw: function (path, ctx, l, t, w, h) {
+				var controlsStyle = 'none';
+				var interact = path.isInput || path.interact || path.obj[0].interact;
+				if (!un(interact) && !un(interact.controlsStyle)) {
+					controlsStyle = interact.controlsStyle;
+				} else if (!un(interact) && interact.type == 'grid') {
+					controlsStyle = interact.controlsStyle || 'buttons';
+				}
+				var color = controlsStyle === 'none' ? '#FFF' : controlsStyle === 'full' ? '#CFC' : controlsStyle === 'buttons' ? '#FFC' : '#FFF';
+				var label = controlsStyle === 'none' ? 'no' : controlsStyle;
+				ctx.fillStyle = color;
+				ctx.fillRect(l, t, w, h);
+				text({
+					ctx: ctx,
+					align: [0, 0],
+					rect: [l, t, w, h],
+					text: ['<<fontSize:14>>'+label+' controls']
+				});
+				
+			}
+		});
+		/*var path = draw.path[pathNum];
+		if (!un(path) && path.obj.length == 1) {
+			var obj = path.obj[0];
+			if (draw.mode == 'edit') {
+				var buttons2 = draw.grid.interactDefaultButtons;
+				for (var b = 0; b < buttons2.length; b++) {
+					var button = buttons2[b];
+					buttons.push({
+						buttonType: 'grid-' + button,
+						shape: 'rect',
+						dims: [x2, y1 + 60 + 40 * b, 40, 40],
+						cursor: draw.cursors.pointer,
+						func: draw.grid.interactButtonClick,
+						pathNum: pathNum,
+						obj: obj,
+						mode: button
+					});
+				}
+			}
+		}*/
+		return buttons;
+	},
+	toggleInteract: function () {
+		var path = draw.path[draw.currCursor.pathNum];
+		if (un(path.interact))
+			path.interact = {};
+		if (path.interact.type === 'grid') {
+			path.interact.type = 'none';
+		} else {
+			path.interact.type = 'grid';
+		}
+		if (un(path.interact.color))
+			path.interact.color = '#F00';
+		if (un(path.interact.lineWidth))
+			path.interact.lineWidth = 5;
+		if (un(path.interact.max))
+			path.interact.max = 1000;
+		if (un(path.interact.mode2))
+			path.interact.mode2 = 'none';
+		if (un(path.interact.buttons))
+			path.interact.buttons = clone(draw.grid.interactDefaultButtons);
+		if (path.interact.type === 'grid')
+			console.log(path.interact);
+		updateBorder(path);
+		drawCanvasPaths();
+	},
+	toggleControls: function() {
+		var path = draw.path[draw.currCursor.pathNum];
+		if (un(path.interact)) path.interact = {};
+		var controlsStyle = 'none';
+		if (!un(path.interact.controlsStyle)) {
+			controlsStyle = path.interact.controlsStyle;
+		} else if (path.interact.type == 'grid') {
+			controlsStyle = 'buttons';
+		} 
+		if (controlsStyle === 'none') {
+			path.interact.controlsStyle = 'full';
+		} else if (controlsStyle === 'full') {
+			path.interact.controlsStyle = 'buttons';
+		} else if (controlsStyle === 'buttons') {
+			path.interact.controlsStyle = 'none';
+		}
+		drawCanvasPaths();
+	},
+	interactButtonClick: function () {
+		var path = draw.path[draw.currCursor.pathNum];
+		var obj = path.obj[0];
+		var mode = draw.currCursor.mode;
+		if (mode == 'undo') {
+			draw.grid.undo();
+			return;
+		}
+		if (mode == 'clear') {
+			draw.grid.clear();
+			return;
+		}
+		if (mode == 'function') {
+			draw.grid.gridPaths.addFunction();
+			return;
+		}
+		if (mode === 'zoomIn') {
+			draw.grid.zoomGrid(draw.currCursor.factor);
+			return;
+		}
+		if (mode === 'zoomOut') {
+			draw.grid.zoomGrid(draw.currCursor.factor);
+			return;
+		}
+		if (obj._interactMode == mode) mode = 'none';
+		obj._interactMode = mode;
+		obj._interactCursor = draw.grid.getInteractCursor(path, obj);
+		updateBorder(path);
+		drawCanvasPaths();
+	},
+	getInteractCursor: function (path, obj) {
+		if (obj._interactMode == 'line' || obj._interactMode == 'lineSegment') {
+			if (!un(obj._interactColor)) {
+				var color = obj._interactColor;
+			} else if (!un(path.interact) && !un(path.interact.color)) {
+				var color = path.interact.color;
+			} else {
+				var color = '#00F';
+			}
+			return draw.grid.getCrossCursor(color);
+		} else if (obj._interactMode == 'move') {
+			return draw.cursors.move1;
+		} else if (obj._interactMode == 'moving') {
+			return draw.cursors.move2;
+		} else {
+			return draw.cursors.pointer;
+		}
+	},
+	getCrossCursor: function (color) {
+		var canvas = draw.hiddenCanvas;
+		var ctx = draw.hiddenCanvas.ctx;
+		ctx.clearRect(0, 0, 50, 50);
+		ctx.strokeStyle = color;
+		ctx.lineWidth = 2;
+		ctx.beginPath();
+		ctx.moveTo(2, 2);
+		ctx.lineTo(12, 12);
+		ctx.moveTo(2, 12);
+		ctx.lineTo(12, 2);
+		ctx.stroke();
+
+		var data = canvas.toDataURL();
+		return 'url("' + data + '") 7 7, auto';
+	},
+	undo: function () {
+		var path = draw.path[draw.currCursor.pathNum];
+		var obj = path.obj[0];
+		if (un(obj.path) || obj.path.length == 0)
+			return;
+		for (var p = obj.path.length - 1; p >= 0; p--) {
+			if (draw.mode == 'interact' && obj.path[p]._deletable !== true)
+				continue;
+			obj.path.splice(p, 1);
+			drawCanvasPaths();
+			return;
+		}
+	},
+	clear: function () {
+		var path = draw.path[draw.currCursor.pathNum];
+		var obj = path.obj[0];
+		if (un(obj.path) || obj.path.length == 0)
+			return;
+		for (var p = obj.path.length - 1; p >= 0; p--) {
+			if (draw.mode == 'interact' && obj.path[p]._deletable !== true)
+				continue;
+			obj.path.splice(p, 1);
+		}
+		drawCanvasPaths();
+	},
+	interact: {
+		point: function () {
+			draw.grid.interact.plot();
+		},
+		plot: function () {
+			var obj = draw.currCursor.obj;
+			var path = obj._path;
+			var mode = draw.mode;
+			if (!un(path.isInput) && path.isInput._mode === 'addAnswers')
+				mode = 'interact';
+			if (un(obj.path))
+				obj.path = [];
+			var pos = draw.grid.getCoordAtPos(obj);
+			pos[0] = roundToNearest(pos[0], obj.xMinorStep);
+			pos[1] = roundToNearest(pos[1], obj.yMinorStep);
+			for (var p = 0; p < obj.path.length; p++) {
+				var path2 = obj.path[p];
+				if (mode == 'interact' && path2._deletable !== true) continue;
+				if (path2.type !== 'point') continue;
+				if (path2.pos[0] == pos[0] && path2.pos[1] == pos[1]) {
+					obj.path.splice(p, 1);
+					drawCanvasPaths();
+					return;
+				}
+			}
+			var interact = path.isInput || path.interact || obj.interact;
+			if (mode == 'interact' && !un(interact)) {
+				if (!un(interact.max) && interact.max > 0) {
+					var pathCount = 0;
+					for (var p = 0; p < obj.path.length; p++) {
+						var path2 = obj.path[p];
+						if (path2._deletable !== true)
+							continue;
+						pathCount++;
+					}
+					if (pathCount == interact.max) {
+						for (var p = obj.path.length - 1; p >= 0; p--) {
+							var path2 = obj.path[p];
+							if (path2._deletable !== true)
+								continue;
+							obj.path.splice(p, 1);
+							break;
+						}
+					}
+				}
+			}
+			var deletable = mode == 'interact' ? true : false;
+			if (!un(obj._interactColor)) {
+				var color = obj._interactColor;
+			} else if (!un(path.interact) && !un(path.interact.color)) {
+				var color = path.interact.color;
+			} else {
+				var color = '#00F';
+			}
+			obj.path.push({
+				type: 'point',
+				pos: pos,
+				color: color,
+				style: 'cross',
+				radius: 8,
+				_deletable: deletable
+			});
+			drawCanvasPaths();
+		},
+		line: function (type2) {
+			if (un(type2))
+				type2 = 'line';
+			var obj = draw.currCursor.obj;
+			var path = obj._path;
+			var mode = draw.mode;
+			if (!un(path.isInput) && path.isInput._mode === 'addAnswers')
+				mode = 'interact';
+			if (un(obj.path))
+				obj.path = [];
+			var pos = draw.grid.getCoordAtPos(obj);
+			pos[0] = roundToNearest(pos[0], obj.xMinorStep);
+			pos[1] = roundToNearest(pos[1], obj.yMinorStep);
+			var interact = path.isInput || path.interact || obj.interact;
+			if (mode == 'interact' && !un(interact)) {
+				if (!un(interact.max) && interact.max > 0) {
+					var pathCount = 0;
+					for (var p = 0; p < obj.path.length; p++) {
+						var path2 = obj.path[p];
+						if (path2._deletable !== true)
+							continue;
+						pathCount++;
+					}
+					if (pathCount == interact.max) {
+						for (var p = obj.path.length - 1; p >= 0; p--) {
+							var path2 = obj.path[p];
+							if (path2._deletable !== true)
+								continue;
+							obj.path.splice(p, 1);
+							break;
+						}
+					}
+				}
+			}
+			var index = -1;
+			if (index == -1) {
+				index = obj.path.length;
+				var deletable = mode == 'interact' ? true : false;
+				if (!un(obj._interactColor)) {
+					var color = obj._interactColor;
+				} else if (!un(path.interact) && !un(path.interact.color)) {
+					var color = path.interact.color;
+				} else {
+					var color = '#00F';
+				}
+				/*if (!un(obj._interactLineWidth)) {
+					var lineWidth = obj._interactLineWidth;
+				} else if (!un(path.interact) && !un(path.interact.lineWidth)) {
+					var lineWidth = path.interact.lineWidth;
+				} else {
+					var lineWidth = 5;
+				}*/
+				obj.path.push({
+					type: type2,
+					pos: [pos, pos],
+					strokeStyle: color,
+					//lineWidth: lineWidth,
+					_deletable: deletable
+				});
+			}
+			draw.grid.interact._obj = obj;
+			draw.grid.interact._index = index;
+			//addListenerMove(window, draw.grid.interact.lineMove);
+			//addListenerEnd(window, draw.grid.interact.lineStop);
+			draw.animate(draw.grid.interact.lineMove,draw.grid.interact.lineStop,drawCanvasPaths);
+		},
+		lineSegment: function () {
+			draw.grid.interact.line('lineSegment');
+		},
+		lineMove: function (e) {
+			updateMouse(e);
+			var obj = draw.grid.interact._obj;
+			var index = draw.grid.interact._index;
+			var pos = draw.grid.getCoordAtPos(obj);
+			pos[0] = roundToNearest(pos[0], obj.xMinorStep);
+			pos[1] = roundToNearest(pos[1], obj.yMinorStep);
+			obj.path[index].pos[1] = pos;
+			//drawCanvasPaths();
+		},
+		lineStop: function (e) {
+			updateMouse(e);
+			var obj = draw.grid.interact._obj;
+			var index = draw.grid.interact._index;
+			var path = obj.path[index];
+			if (path.pos[0][0] == path.pos[1][0] && path.pos[0][1] == path.pos[1][1])
+				obj.path.splice(index, 1);
+			delete draw.grid.interact._obj;
+			delete draw.grid.interact._index;
+			//removeListenerMove(window, draw.grid.interact.lineMove);
+			//removeListenerEnd(window, draw.grid.interact.lineStop);
+			drawCanvasPaths();
+		}
+	},
+	getCoordAtPos: function (obj, pos) {
+		if (un(pos))
+			pos = draw.mouse;
+		var xCoord = getCoordX2(pos[0], obj.left, obj.width, obj.xMin, obj.xMax);
+		var yCoord = getCoordY2(pos[1], obj.top, obj.height, obj.yMin, obj.yMax);
+		return [xCoord, yCoord];
+	}
+};
+draw.arc = {
+	add: function () {
+		deselectAllPaths(false);
+		changeDrawMode();
+		var pos = getRelPos([150, 150]);
+		var x = pos[0],
+		y = pos[1],
+		r = 100;
+		draw.path.push({
+			obj: [{
+					type: 'angle',
+					isArc: true,
+					b: [x, y],
+					radius: r,
+					angleC: 0,
+					c: [x + r * Math.cos(0), y + r * Math.sin(0)],
+					angleA: -Math.PI / 3,
+					a: [x + r * Math.cos(-Math.PI / 3), y + r * Math.sin(-Math.PI / 3)],
+					lineWidth: draw.thickness,
+					lineColor: draw.color,
+					fillColor: 'none',
+					fill: true,
+					drawLines: false,
+					squareForRight: false,
+					labelIfRight: true,
+					label: ['']
+				}
+			],
+			selected: true
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+	},
+	draw: function (ctx, obj, path) {
+		ctx.save();
+		ctx.strokeStyle = obj.color;
+		ctx.lineWidth = obj.thickness;
+		if (typeof ctx.setLineDash !== 'function') ctx.setLineDash = function () {};
+		if (typeof obj.dash !== 'undefined') ctx.setLineDash(obj.dash);
+		ctx.lineCap = 'round';
+		ctx.lineJoin = 'round';
+		ctx.beginPath();
+		if (obj.clockwise == true) {
+			ctx.arc(obj.center[0], obj.center[1], obj.radius, obj.startAngle, obj.finAngle);
+			obj._startPos = [obj.center[0]+obj.radius*Math.cos(obj.startAngle), obj.center[1]+obj.radius*Math.sin(obj.startAngle)];
+			obj._finPos = [obj.center[0]+obj.radius*Math.cos(obj.finAngle), obj.center[1]+obj.radius*Math.sin(obj.finAngle)];
+		} else {
+			ctx.arc(obj.center[0], obj.center[1], obj.radius, obj.finAngle, obj.startAngle);
+			obj._finPos = [obj.center[0]+obj.radius*Math.cos(obj.startAngle), obj.center[1]+obj.radius*Math.sin(obj.startAngle)];
+			obj._startPos = [obj.center[0]+obj.radius*Math.cos(obj.finAngle), obj.center[1]+obj.radius*Math.sin(obj.finAngle)];
+		}
+		if (un(obj._stroke) || obj._stroke === true) ctx.stroke();
+		ctx.setLineDash([]);
+		if (boolean(draw.drawArcCenter, false) == true) {
+			ctx.fillStyle = obj.color;
+			ctx.beginPath();
+			ctx.moveTo(obj.center[0], obj.center[1]);
+			ctx.arc(obj.center[0], obj.center[1], 5, 0, 2 * Math.PI);
+			ctx.fill();
+		}
+		ctx.restore();
+	},
+	drawButton: function (ctx, size) {
+		draw.arc.draw(ctx, {
+			center: [0.5 * size, 0.2 * size],
+			radius: 0.4 * size,
+			startAngle: 0.25 * Math.PI,
+			finAngle: 0.75 * Math.PI,
+			clockwise: true,
+			color: '#000',
+			thickness: 0.04 * size
+		});
+	},
+	scale: function (obj, sf, center) {
+		if (un(center))
+			var center = obj.b;
+		obj.a[0] = center[0] + sf * (obj.a[0] - center[0]);
+		obj.a[1] = center[1] + sf * (obj.a[1] - center[1]);
+		obj.b[0] = center[0] + sf * (obj.b[0] - center[0]);
+		obj.b[1] = center[1] + sf * (obj.b[1] - center[1]);
+		obj.c[0] = center[0] + sf * (obj.c[0] - center[0]);
+		obj.c[1] = center[1] + sf * (obj.c[1] - center[1]);
+		if (!un(obj.radius))
+			obj.radius *= sf;
+		if (!un(obj.lineWidth))
+			obj.lineWidth *= sf;
+	},
+	getRect: function (obj) {
+		var pos1 = [obj.center[0] + obj.radius * Math.cos(obj.startAngle), obj.center[1] + obj.radius * Math.sin(obj.startAngle)];
+		var pos2 = [obj.center[0] + obj.radius * Math.cos(obj.finAngle), obj.center[1] + obj.radius * Math.sin(obj.finAngle)];
+		obj._left = Math.min(pos1[0], pos2[0]);
+		obj._right = Math.max(pos1[0], pos2[0]);
+		obj._top = Math.min(pos1[1], pos2[1]);
+		obj._bottom = Math.max(pos1[1], pos2[1]);
+		if (doesArcIncludeAngle(obj, 0) == true) obj._right = obj.center[0] + obj.radius;
+		if (doesArcIncludeAngle(obj, 0.5 * Math.PI) == true) obj._bottom = obj.center[1] + obj.radius;
+		if (doesArcIncludeAngle(obj, Math.PI) == true) obj._left = obj.center[0] - obj.radius;
+		if (doesArcIncludeAngle(obj, 1.5 * Math.PI) == true) obj._top = obj.center[1] - obj.radius;
+		obj._width = obj._right - obj._left;
+		obj._height = obj._bottom - obj._top;
+		return [obj._left, obj._top, obj._width, obj._height];
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.center[0] += dl;
+		obj.center[1] += dt;
+		obj.radius += dw;
+	},
+}
+draw.sector = {
+	add: function () {
+		deselectAllPaths(false);
+		changeDrawMode();
+		var pos = getRelPos([150, 150]);
+		var x = pos[0],
+		y = pos[1],
+		r = 100;
+		draw.path.push({
+			obj: [{
+					type: 'angle',
+					b: [x, y],
+					radius: r,
+					angleC: 0,
+					c: [x + r * Math.cos(0), y + r * Math.sin(0)],
+					angleA: -Math.PI / 3,
+					a: [x + r * Math.cos(-Math.PI / 3), y + r * Math.sin(-Math.PI / 3)],
+					lineWidth: draw.thickness,
+					lineColor: draw.color,
+					fillColor: 'none',
+					fill: true,
+					drawLines: true,
+					squareForRight: false,
+					labelIfRight: true,
+					label: ['']
+				}
+			],
+			selected: true,
+			trigger: []
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+	},
+	drawButton: function (ctx, size) {
+		ctx.strokeStyle = '#000';
+		ctx.lineWidth = 0.02 * size;
+		ctx.beginPath();
+		drawAngle({
+			ctx: ctx,
+			a: [0.6 * size, 0.6 * size - 0.357 * size],
+			b: [0.25 * size, 0.6 * size],
+			c: [0.75 * size, 0.6 * size],
+			fill: false,
+			radius: 0.5 * size,
+			drawLines: true,
+			lineWidth: 0.02 * size
+		});
+		ctx.stroke();
+	},
+	scale: function (obj, sf, center) {
+		if (un(center))
+			var center = obj.b;
+		obj.a[0] = center[0] + sf * (obj.a[0] - center[0]);
+		obj.a[1] = center[1] + sf * (obj.a[1] - center[1]);
+		obj.b[0] = center[0] + sf * (obj.b[0] - center[0]);
+		obj.b[1] = center[1] + sf * (obj.b[1] - center[1]);
+		obj.c[0] = center[0] + sf * (obj.c[0] - center[0]);
+		obj.c[1] = center[1] + sf * (obj.c[1] - center[1]);
+		if (!un(obj.radius))
+			obj.radius *= sf;
+		if (!un(obj.lineWidth))
+			obj.lineWidth *= sf;
+	}
+}
+draw.segment = {
+	resizable: true,
+	add: function () {
+		deselectAllPaths(false);
+		changeDrawMode();
+		var pos = getRelPos([150, 150]);
+		var x = pos[0],
+		y = pos[1],
+		r = 100;
+		draw.path.push({
+			obj: [{
+					type: 'segment',
+					center: [x, y],
+					radius: r,
+					startAngle: 4,
+					finAngle: 0,
+					color: draw.color,
+					thickness: draw.thickness,
+					fillColor: '#FCF',
+					clockwise: false
+				}
+			],
+			selected: true,
+			trigger: []
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+	},
+	draw: function (ctx, obj, path) {
+		ctx.save();
+		ctx.beginPath();
+		obj._startPos = [obj.center[0] + obj.radius * Math.cos(obj.startAngle), obj.center[1] + obj.radius * Math.sin(obj.startAngle)];
+		obj._finPos = [obj.center[0] + obj.radius * Math.cos(obj.finAngle), obj.center[1] + obj.radius * Math.sin(obj.finAngle)];
+		if (obj.clockwise == true) {
+			ctx.arc(obj.center[0], obj.center[1], obj.radius, obj.startAngle, obj.finAngle);
+			ctx.lineTo(obj._startPos[0], obj._startPos[1]);
+		} else {
+			ctx.arc(obj.center[0], obj.center[1], obj.radius, obj.finAngle, obj.startAngle);
+			ctx.lineTo(obj._finPos[0], obj._finPos[1]);
+		}
+		if (obj.fillColor !== 'none') {
+			ctx.fillStyle = obj.fillColor;
+			ctx.fill();
+		}
+		if (obj.color !== 'none') {
+			ctx.strokeStyle = obj.color;
+			ctx.lineWidth = obj.thickness;
+			if (typeof ctx.setLineDash !== 'function')
+				ctx.setLineDash = function () {};
+			if (typeof obj.dash !== 'undefined')
+				ctx.setLineDash(obj.dash);
+			ctx.lineCap = 'round';
+			ctx.lineJoin = 'round';
+			ctx.stroke();
+			ctx.setLineDash([]);
+		}
+		if (boolean(draw.drawArcCenter, false) == true) {
+			ctx.fillStyle = obj.color;
+			ctx.beginPath();
+			ctx.moveTo(obj.center[0], obj.center[1]);
+			ctx.arc(obj.center[0], obj.center[1], 5, 0, 2 * Math.PI);
+			ctx.fill();
+		}
+		if (!un(path) && draw.mode === 'edit' && path.selected == true && path.obj.length == 1) {
+			ctx.strokeStyle = '#000';
+			ctx.lineWidth = 1;
+			ctx.fillStyle = '#F00';
+			ctx.beginPath();
+			ctx.moveTo(obj._startPos[0] + 8, obj._startPos[1]);
+			ctx.arc(obj._startPos[0], obj._startPos[1], 8, 0, 2 * Math.PI);
+			ctx.moveTo(obj._finPos[0] + 8, obj._finPos[1]);
+			ctx.arc(obj._finPos[0], obj._finPos[1], 8, 0, 2 * Math.PI);
+			ctx.moveTo(obj.center[0] + 8, obj.center[1]);
+			ctx.arc(obj.center[0], obj.center[1], 8, 0, 2 * Math.PI);
+			ctx.fill();
+			ctx.stroke();
+		}
+		ctx.restore();
+	},
+	getRect: function (obj) {
+		var pos1 = [obj.center[0] + obj.radius * Math.cos(obj.startAngle), obj.center[1] + obj.radius * Math.sin(obj.startAngle)];
+		var pos2 = [obj.center[0] + obj.radius * Math.cos(obj.finAngle), obj.center[1] + obj.radius * Math.sin(obj.finAngle)];
+		obj._left = Math.min(pos1[0], pos2[0]);
+		obj._right = Math.max(pos1[0], pos2[0]);
+		obj._top = Math.min(pos1[1], pos2[1]);
+		obj._bottom = Math.max(pos1[1], pos2[1]);
+		if (doesArcIncludeAngle(obj, 0) == true)
+			obj._right = obj.center[0] + obj.radius;
+		if (doesArcIncludeAngle(obj, 0.5 * Math.PI) == true)
+			obj._bottom = obj.center[1] + obj.radius;
+		if (doesArcIncludeAngle(obj, Math.PI) == true)
+			obj._left = obj.center[0] - obj.radius;
+		if (doesArcIncludeAngle(obj, 1.5 * Math.PI) == true)
+			obj._top = obj.center[1] - obj.radius;
+		obj._width = obj._right - obj._left;
+		obj._height = obj._bottom - obj._top;
+		return [obj._left, obj._top, obj._width, obj._height];
+	},
+	getCursorPositionsSelected: function (obj, pathNum) {
+		return [{
+				shape: 'circle',
+				dims: [obj._startPos[0], obj._startPos[1], 10],
+				cursor: draw.cursors.pointer,
+				func: draw.segment.startPosDrag,
+				obj: obj,
+				angle: 'startAngle',
+				pathNum: pathNum
+			}, {
+				shape: 'circle',
+				dims: [obj._finPos[0], obj._finPos[1], 10],
+				cursor: draw.cursors.pointer,
+				func: draw.segment.startPosDrag,
+				obj: obj,
+				angle: 'finAngle',
+				pathNum: pathNum
+			}, {
+				shape: 'circle',
+				dims: [obj.center[0], obj.center[1], 10],
+				cursor: draw.cursors.pointer,
+				func: draw.segment.startPosDrag,
+				obj: obj,
+				angle: 'center',
+				pathNum: pathNum
+			}
+		];
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.center[0] += dl;
+		obj.center[1] += dt;
+		obj.radius += dw;
+	},
+
+	getSnapPos: function (obj) {
+		return [{
+				type: 'point',
+				pos: obj.center
+			}, {
+				type: 'point',
+				pos: obj._startPos
+			}, {
+				type: 'point',
+				pos: obj._finPos
+			}
+		];
+	},
+	setLineWidth: function (obj, lineWidth) {
+		obj.thickness = lineWidth;
+	},
+	setLineColor: function (obj, color) {
+		obj.color = color;
+	},
+	setFillColor: function (obj, color) {
+		obj.fillColor = color;
+	},
+	getLineWidth: function (obj) {
+		return obj.thickness;
+	},
+	getLineColor: function (obj) {
+		return obj.color;
+	},
+	getFillColor: function (obj) {
+		return obj.fillColor;
+	},
+
+	startPosDrag: function () {
+		changeDrawMode('segmentPosDrag');
+		draw.drag = draw.currCursor;
+		draw.animate(draw.segment.posMove,draw.segment.posStop,drawCanvasPaths);
+		//addListenerMove(window, draw.segment.posMove);
+		//addListenerEnd(window, draw.segment.posStop);
+	},
+	posMove: function (e) {
+		updateMouse(e);
+		var pos = clone(draw.mouse);
+		var drag = draw.drag;
+		var obj = drag.obj;
+		if (drag.angle == 'startAngle') {
+			obj.startAngle = getAngleTwoPoints(obj.center, pos);
+		} else if (drag.angle == 'finAngle') {
+			obj.finAngle = getAngleTwoPoints(obj.center, pos);
+		} else if (drag.angle == 'center') {
+			if (snapToObj2On == true)
+				pos = snapToObj2(pos);
+			obj.center = pos;
+		}
+		updateBorder(draw.path[drag.pathNum]);
+		//drawSelectedPaths();
+		//drawSelectCanvas();
+	},
+	posStop: function (e) {
+		//removeListenerMove(window, draw.segment.posMove);
+		//removeListenerEnd(window, draw.segment.posStop);
+		changeDrawMode();
+	},
+
+	drawButton: function (ctx, size) {
+		ctx.strokeStyle = '#000';
+		ctx.lineWidth = 0.02 * size;
+		ctx.beginPath();
+
+		draw.segment.draw(ctx, {
+			type: 'segment',
+			center: [0.5 * size, 0.5 * size],
+			radius: 0.3 * size,
+			startAngle: 4,
+			finAngle: 0,
+			color: '#000',
+			thickness: 0.02 * size,
+			fillColor: 'none',
+			clockwise: false
+		});
+	},
+	scale: function (obj, sf, center) {
+		if (un(center))
+			var center = obj.center;
+		obj.center[0] = center[0] + sf * (obj.center[0] - center[0]);
+		obj.center[1] = center[1] + sf * (obj.center[1] - center[1]);
+		if (!un(obj.radius))
+			obj.radius *= sf;
+		if (!un(obj.lineWidth))
+			obj.lineWidth *= sf;
+	}
+}
+draw.pen = {
+	add: function () {
+		changeDrawMode('pen');
+	},
+	draw: function (ctx, obj, path) {
+		ctx.strokeStyle = obj.color;
+		ctx.lineWidth = obj.thickness;
+		if (typeof ctx.setLineDash !== 'function')
+			ctx.setLineDash = function () {};
+		if (typeof obj.dash !== 'undefined')
+			ctx.setLineDash(obj.dash);
+		ctx.lineCap = 'round';
+		ctx.lineJoin = 'round';
+		var pos = [];
+		for (var p = 0; p < obj.pos.length; p++) {
+			pos[p] = [];
+			pos[p][0] = roundToNearest(obj.pos[p][0], 0.01);
+			pos[p][1] = roundToNearest(obj.pos[p][1], 0.01);
+		}
+		if (pos.length > 2) {
+			ctx.beginPath();
+			ctx.moveTo(pos[0][0], pos[0][1]);
+			for (var p = 1; p < pos.length - 2; p++) {
+				ctx.quadraticCurveTo(pos[p][0], pos[p][1], (pos[p][0] + pos[p + 1][0]) / 2, (pos[p][1] + pos[p + 1][1]) / 2);
+			}
+			if (pos.length > p + 1)
+				ctx.quadraticCurveTo(pos[p][0], pos[p][1], pos[p + 1][0], pos[p + 1][1]);
+			ctx.stroke();
+		} else if (pos.length == 2) {
+			ctx.beginPath();
+			ctx.moveTo(pos[0][0], pos[0][1]);
+			ctx.lineTo(pos[1][0], pos[1][1]);
+			ctx.stroke();
+		} else if (pos.length == 1) {
+			ctx.beginPath();
+			ctx.arc(pos[0][0], pos[0][1], ctx.lineWidth / 2, 0, 2 * Math.PI);
+			ctx.fillStyle = ctx.strokeStyle;
+			ctx.fill();
+		}
+
+		ctx.setLineDash([]);
+	},
+	getRect: function (obj) {
+		obj._left = obj.pos[0][0];
+		obj._top = obj.pos[0][1];
+		obj._right = obj.pos[0][0];
+		obj._bottom = obj.pos[0][1];
+		for (var j = 1; j < obj.pos.length; j++) {
+			obj._left = Math.min(obj._left, obj.pos[j][0]);
+			obj._top = Math.min(obj._top, obj.pos[j][1]);
+			obj._right = Math.max(obj._right, obj.pos[j][0]);
+			obj._bottom = Math.max(obj._bottom, obj.pos[j][1]);
+		}
+		obj._width = obj._right - obj._left;
+		obj._height = obj._bottom - obj._top;
+		return [obj._left, obj._top, obj._width, obj._height];
+	},
+	drawButton: function (ctx, size) {
+		ctx.fillStyle = '#000';
+		ctx.translate(0.5 * size, 0.5 * size);
+		ctx.rotate(Math.PI / 4);
+		ctx.fillRect(-5, -11, 10, 20);
+		ctx.fillRect(-5, -18, 10, 5);
+		ctx.beginPath();
+		ctx.moveTo(-5, 11);
+		ctx.lineTo(0, 18);
+		ctx.lineTo(5, 11);
+		ctx.lineTo(-5, 11);
+		ctx.fill();
+		ctx.rotate(-Math.PI / 4);
+		ctx.translate(-0.5 * size, -0.5 * size);
+	},
+	scale: function (obj, sf, center) {
+		if (un(center))
+			var center = obj.pos[0];
+		for (var p = 0; p < obj.pos.length; p++) {
+			obj.pos[p][0] = center[0] + sf * (obj.pos[p][0] - center[0]);
+			obj.pos[p][1] = center[1] + sf * (obj.pos[p][1] - center[1]);
+		}
+		if (!un(obj.thickness))
+			obj.thickness *= sf;
+	}
+}
+draw.line = {
+	add: function () {
+		changeDrawMode('line');
+	},
+	draw: function (ctx, obj, path) {
+		if (un(obj.finPos) || typeof obj.finPos[0] !== 'number' || typeof obj.finPos[1] !== 'number')
+			return;
+		ctx.strokeStyle = obj.color;
+		ctx.lineWidth = obj.thickness;
+		if (typeof ctx.setLineDash !== 'function')
+			ctx.setLineDash = function () {};
+		if (typeof obj.dash !== 'undefined')
+			ctx.setLineDash(obj.dash);
+		var lineCap = !un(obj.lineCap) ? obj.lineCap : 'round';
+		ctx.lineCap = lineCap;
+		ctx.lineJoin = lineCap;
+		ctx.beginPath();
+		ctx.moveTo(obj.startPos[0], obj.startPos[1]);
+		ctx.lineTo(obj.finPos[0], obj.finPos[1]);
+		ctx.stroke();
+
+		if (obj.endStart == 'open') {
+			drawArrow({
+				context: ctx,
+				startX: obj.finPos[0],
+				startY: obj.finPos[1],
+				finX: obj.startPos[0],
+				finY: obj.startPos[1],
+				arrowLength: obj.endStartSize,
+				color: ctx.strokeStyle,
+				lineWidth: ctx.lineWidth,
+				arrowLineWidth: ctx.lineWidth
+			});
+		}
+		if (obj.endStart == 'closed') {
+			drawArrow({
+				context: ctx,
+				startX: obj.finPos[0],
+				startY: obj.finPos[1],
+				finX: obj.startPos[0],
+				finY: obj.startPos[1],
+				arrowLength: obj.endStartSize,
+				color: ctx.strokeStyle,
+				lineWidth: ctx.lineWidth,
+				arrowLineWidth: ctx.lineWidth,
+				fillArrow: true
+			});
+		}
+
+		if (obj.endMid == 'dash') {
+			drawDash(ctx, obj.startPos[0], obj.startPos[1], obj.finPos[0], obj.finPos[1], 8);
+		}
+		if (obj.endMid == 'dash2') {
+			drawDoubleDash(ctx, obj.startPos[0], obj.startPos[1], obj.finPos[0], obj.finPos[1], 8);
+		}
+		if (obj.endMid == 'open') {
+			drawParallelArrow({
+				context: ctx,
+				startX: obj.startPos[0],
+				startY: obj.startPos[1],
+				finX: obj.finPos[0],
+				finY: obj.finPos[1],
+				arrowLength: obj.endMidSize,
+				color: ctx.strokeStyle,
+				lineWidth: ctx.lineWidth
+			});
+		}
+		if (obj.endMid == 'open2') {
+			drawParallelArrow({
+				context: ctx,
+				startX: obj.startPos[0],
+				startY: obj.startPos[1],
+				finX: obj.finPos[0],
+				finY: obj.finPos[1],
+				arrowLength: obj.endMidSize,
+				color: ctx.strokeStyle,
+				lineWidth: ctx.lineWidth,
+				numOfArrows: 2
+			});
+		}
+
+		if (obj.endFin == 'open') {
+			drawArrow({
+				context: ctx,
+				startX: obj.startPos[0],
+				startY: obj.startPos[1],
+				finX: obj.finPos[0],
+				finY: obj.finPos[1],
+				arrowLength: obj.endFinSize,
+				color: ctx.strokeStyle,
+				lineWidth: ctx.lineWidth,
+				arrowLineWidth: ctx.lineWidth
+			});
+		}
+		if (obj.endFin == 'closed') {
+			drawArrow({
+				context: ctx,
+				startX: obj.startPos[0],
+				startY: obj.startPos[1],
+				finX: obj.finPos[0],
+				finY: obj.finPos[1],
+				arrowLength: obj.endFinSize,
+				color: ctx.strokeStyle,
+				lineWidth: ctx.lineWidth,
+				arrowLineWidth: ctx.lineWidth,
+				fillArrow: true
+			});
+		}
+		ctx.setLineDash([]);
+
+		if (draw.mode === 'edit' && path.obj.length == 1 && path.selected == true) {
+			ctx.save();
+			ctx.lineWidth = 1;
+			ctx.strokeStyle = '#000';
+			ctx.fillStyle = '#F00';
+			ctx.beginPath();
+			ctx.arc(obj.startPos[0], obj.startPos[1], 8, 0, 2 * Math.PI);
+			ctx.fill();
+			ctx.stroke();
+			ctx.beginPath();
+			ctx.arc(obj.finPos[0], obj.finPos[1], 8, 0, 2 * Math.PI);
+			ctx.fill();
+			ctx.stroke();
+			ctx.restore();
+		}
+
+		return [
+			Math.min(obj.startPos[0], obj.finPos[0]) - 10,
+			Math.min(obj.startPos[1], obj.finPos[1]) - 10,
+			Math.abs(obj.startPos[0] - obj.finPos[0]) + 20,
+			Math.abs(obj.startPos[1] - obj.finPos[1]) + 20,
+		];
+	},
+	getRect: function (obj) {
+		if (!un(obj.startPos) && !un(obj.finPos)) {
+			obj._left = Math.min(obj.startPos[0], obj.finPos[0]);
+			obj._top = Math.min(obj.startPos[1], obj.finPos[1]);
+			obj._width = Math.max(obj.startPos[0], obj.finPos[0]) - obj._left;
+			obj._height = Math.max(obj.startPos[1], obj.finPos[1]) - obj._top;
+			return [obj._left, obj._top, obj._width, obj._height];
+		}
+	},
+	getCursorPositionsSelected: function (obj, pathNum) {
+		var pos = [];
+		pos.push({
+			shape: 'circle',
+			dims: [obj.startPos[0], obj.startPos[1], 8],
+			cursor: draw.cursors.pointer,
+			func: draw.line.startDragStartPos,
+			pathNum: pathNum
+		});
+		pos.push({
+			shape: 'circle',
+			dims: [obj.finPos[0], obj.finPos[1], 8],
+			cursor: draw.cursors.pointer,
+			func: draw.line.startDragFinPos,
+			pathNum: pathNum
+		});
+		return pos;
+	},
+	startDragStartPos: function () {
+		changeDrawMode('lineStart');
+		draw.currPathNum = draw.currCursor.pathNum;
+		updateSnapPoints(); // update intersection points
+		draw.animate(draw.line.posMove,draw.line.posStop,drawCanvasPaths);
+		//addListenerMove(window, draw.line.posMove);
+		//addListenerEnd(window, draw.line.posStop);
+	},
+	startDragFinPos: function () {
+		changeDrawMode('lineFin');
+		draw.currPathNum = draw.currCursor.pathNum;
+		updateSnapPoints(); // update intersection points
+		draw.animate(draw.line.posMove,draw.line.posStop,drawCanvasPaths);
+		//addListenerMove(window, draw.line.posMove);
+		//addListenerEnd(window, draw.line.posStop);
+	},
+	posMove: function (e) {
+		updateMouse(e);
+		var x = draw.mouse[0];
+		var y = draw.mouse[1];
+		var pathNum = draw.currPathNum;
+		var obj = draw.path[pathNum].obj[0];
+		if (draw.drawMode == 'lineStart') {
+			if (shiftOn) {
+				if (Math.abs(obj.finPos[0] - x) < Math.abs(obj.finPos[1] - y)) {
+					obj.startPos = [obj.finPos[0], y];
+				} else {
+					obj.startPos = [x, obj.finPos[1]];
+				}
+			} else if (snapToObj2On || draw.snapLinesTogether) {
+				obj.startPos = snapToObj2([x, y], pathNum);
+			} else {
+				obj.startPos = [x, y];
+			}
+		} else if (draw.drawMode == 'lineFin' || draw.drawMode == 'line') {
+			if (shiftOn) {
+				if (Math.abs(obj.startPos[0] - x) < Math.abs(obj.startPos[1] - y)) {
+					obj.finPos = [obj.startPos[0], y];
+				} else {
+					obj.finPos = [x, obj.startPos[1]];
+				}
+			} else if (snapToObj2On || draw.snapLinesTogether) {
+				obj.finPos = snapToObj2([x, y], pathNum);
+			} else {
+				obj.finPos = [x, y];
+			}
+		}
+		updateBorder(draw.path[pathNum]);
+		//drawSelectedPaths();
+		//drawSelectCanvas();
+		//drawSelectCanvas2();
+	},
+	posStop: function (e) {
+		var pathNum = draw.currPathNum;
+		var obj = draw.path[pathNum].obj[0];
+		updateBorder(draw.path[pathNum]);
+		drawCanvasPaths();
+		//removeListenerMove(window, draw.line.posMove);
+		//removeListenerEnd(window, draw.line.posStop);
+		changeDrawMode();
+	},
+	drawButton: function (ctx, size) {
+		ctx.strokeStyle = '#000';
+		ctx.lineWidth = size * 0.04;
+		ctx.beginPath();
+		ctx.arc(0.2 * size, 0.4 * size, 0.06 * size, 0, 2 * Math.PI);
+		ctx.fill();
+		ctx.beginPath();
+		ctx.moveTo(0.2 * size, 0.4 * size);
+		ctx.lineTo(0.8 * size, 0.6 * size);
+		ctx.stroke();
+		ctx.beginPath();
+		ctx.arc(0.8 * size, 0.6 * size, 0.06 * size, 0, 2 * Math.PI);
+		ctx.fill();
+	},
+	scale: function (obj, sf, center) {
+		if (un(center))
+			var center = obj.startPos;
+		obj.startPos[0] = center[0] + sf * (obj.startPos[0] - center[0]);
+		obj.startPos[1] = center[1] + sf * (obj.startPos[1] - center[1]);
+		obj.finPos[0] = center[0] + sf * (obj.finPos[0] - center[0]);
+		obj.finPos[1] = center[1] + sf * (obj.finPos[1] - center[1]);
+		if (!un(obj.thickness))
+			obj.thickness *= sf;
+		if (!un(obj.endStartSize))
+			obj.endStartSize *= sf;
+		if (!un(obj.endMidSize))
+			obj.endMidSize *= sf;
+		if (!un(obj.endFinSize))
+			obj.endFinSize *= sf;
+		if (!un(obj.dash)) {
+			if (!un(obj.dash[0]))
+				obj.dash[0] *= sf;
+			if (!un(obj.dash[1]))
+				obj.dash[1] *= sf;
+		}
+	},
+	getControlPanel: function (obj) {
+		var elements = [{
+				name: 'Style',
+				type: 'style'
+			}, {
+				name: 'Dash',
+				type: 'increment',
+				increment: function (obj, value) {
+					if (un(obj.dash))
+						obj.dash = [0, 0];
+					var val = Math.max(0, Math.min(obj.dash[0] + value * 5, 25));
+					if (val == 0) {
+						delete obj.dash;
+					} else {
+						obj.dash = [val, val];
+					}
+				}
+			}, {
+				name: 'Line Decoration',
+				type: 'lineDec',
+				obj: obj
+			}
+		];
+		return {
+			obj: obj,
+			elements: elements
+		};
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.startPos[0] += dl;
+		obj.startPos[1] += dt;
+		obj.finPos[0] += dl;
+		obj.finPos[1] += dt;
+	}
+}
+draw.curve = {
+	add: function (x, y, r) {
+		deselectAllPaths(false);
+		changeDrawMode();
+		var pos = getRelPos([250, 150]);
+		if (un(x))
+			x = pos[0];
+		if (un(y))
+			y = pos[1];
+		if (un(r))
+			r = 100;
+		draw.path.push({
+			obj: [{
+					type: 'curve',
+					thickness: draw.thickness,
+					startPos: [x - r * 0.7, y - 0.5 * r],
+					finPos: [x + r * 0.7, y - 0.5 * r],
+					controlPos: [x, y + r],
+					color: draw.color,
+				}
+			],
+			selected: true,
+			trigger: []
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+	},
+	draw: function (ctx, obj, path) {
+		ctx.strokeStyle = obj.color;
+		ctx.lineWidth = obj.thickness;
+		if (typeof ctx.setLineDash !== 'function')
+			ctx.setLineDash = function () {};
+		if (typeof obj.dash !== 'undefined')
+			ctx.setLineDash(obj.dash);
+		ctx.lineCap = 'round';
+		ctx.lineJoin = 'round';
+		ctx.beginPath();
+		ctx.moveTo(obj.startPos[0], obj.startPos[1]);
+		ctx.quadraticCurveTo(obj.controlPos[0], obj.controlPos[1], obj.finPos[0], obj.finPos[1]);
+		ctx.stroke();
+
+		obj.mid1 = midpoint(obj.startPos[0], obj.startPos[1], obj.controlPos[0], obj.controlPos[1]);
+		obj.mid2 = midpoint(obj.finPos[0], obj.finPos[1], obj.controlPos[0], obj.controlPos[1]);
+		obj.vertex = midpoint(obj.mid1[0], obj.mid1[1], obj.mid2[0], obj.mid2[1]);
+
+		obj.points = getBezierPoints([obj.startPos[0], obj.startPos[1]], [obj.controlPos[0], obj.controlPos[1]], [obj.finPos[0], obj.finPos[1]], 30);
+
+		if (obj.endStart == 'open') {
+			drawArrow({
+				context: ctx,
+				startX: obj.controlPos[0],
+				startY: obj.controlPos[1],
+				finX: obj.startPos[0],
+				finY: obj.startPos[1],
+				arrowLength: obj.endStartSize,
+				color: ctx.strokeStyle,
+				lineWidth: 0,
+				arrowLineWidth: ctx.lineWidth,
+				showLine: false
+			});
+		}
+		if (obj.endStart == 'closed') {
+			drawArrow({
+				context: ctx,
+				startX: obj.controlPos[0],
+				startY: obj.controlPos[1],
+				finX: obj.startPos[0],
+				finY: obj.startPos[1],
+				arrowLength: obj.endStartSize,
+				color: ctx.strokeStyle,
+				lineWidth: 0,
+				arrowLineWidth: ctx.lineWidth,
+				fillArrow: true,
+				showLine: false
+			});
+		}
+
+		if (obj.endMid == 'open') {
+			drawParallelArrow({
+				context: ctx,
+				startX: obj.mid1[0],
+				startY: obj.mid1[1],
+				finX: obj.mid2[0],
+				finY: obj.mid2[1],
+				arrowLength: obj.endMidSize,
+				lineWidth: ctx.lineWidth
+			});
+		}
+
+		if (obj.endFin == 'open') {
+			drawArrow({
+				context: ctx,
+				startX: obj.controlPos[0],
+				startY: obj.controlPos[1],
+				finX: obj.finPos[0],
+				finY: obj.finPos[1],
+				arrowLength: obj.endFinSize,
+				color: ctx.strokeStyle,
+				lineWidth: 0,
+				arrowLineWidth: ctx.lineWidth,
+				showLine: false
+			});
+		}
+		if (obj.endFin == 'closed') {
+			drawArrow({
+				context: ctx,
+				startX: obj.controlPos[0],
+				startY: obj.controlPos[1],
+				finX: obj.finPos[0],
+				finY: obj.finPos[1],
+				arrowLength: obj.endFinSize,
+				color: ctx.strokeStyle,
+				lineWidth: 0,
+				arrowLineWidth: ctx.lineWidth,
+				fillArrow: true,
+				showLine: false
+			});
+		}
+		ctx.setLineDash([]);
+
+		if (draw.mode === 'edit' && path.obj.length == 1 && path.selected == true) { // if selected
+			ctx.save();
+			ctx.lineWidth = 1;
+			ctx.strokeStyle = '#000';
+			ctx.fillStyle = '#F00';
+			ctx.beginPath();
+			ctx.arc(obj.startPos[0], obj.startPos[1], 8, 0, 2 * Math.PI);
+			ctx.fill();
+			ctx.stroke();
+			ctx.beginPath();
+			ctx.arc(obj.finPos[0], obj.finPos[1], 8, 0, 2 * Math.PI);
+			ctx.fill();
+			ctx.stroke();
+			ctx.beginPath();
+			ctx.arc(obj.controlPos[0], obj.controlPos[1], 8, 0, 2 * Math.PI);
+			ctx.fill();
+			ctx.stroke();
+			ctx.restore();
+		}
+	},
+	getRect: function (obj) {
+		obj._left = Math.min(obj.startPos[0], obj.finPos[0], obj.controlPos[0]);
+		obj._top = Math.min(obj.startPos[1], obj.finPos[1], obj.controlPos[1]);
+		obj._width = Math.max(obj.startPos[0], obj.finPos[0], obj.controlPos[0]) - obj._left;
+		obj._height = Math.max(obj.startPos[1], obj.finPos[1], obj.controlPos[1]) - obj._top;
+		return [obj._left, obj._top, obj._width, obj._height];
+	},
+	getCursorPositionsSelected: function (obj, pathNum) {
+		var pos = [];
+		pos.push({
+			shape: 'circle',
+			dims: [obj.startPos[0], obj.startPos[1], 8],
+			cursor: draw.cursors.pointer,
+			func: draw.curve.startPosStartDrag,
+			pathNum: pathNum
+		});
+		pos.push({
+			shape: 'circle',
+			dims: [obj.finPos[0], obj.finPos[1], 8],
+			cursor: draw.cursors.pointer,
+			func: draw.curve.finPosStartDrag,
+			pathNum: pathNum
+		});
+		pos.push({
+			shape: 'circle',
+			dims: [obj.controlPos[0], obj.controlPos[1], 8],
+			cursor: draw.cursors.pointer,
+			func: draw.curve.controlPosStartDrag,
+			pathNum: pathNum
+		});
+		return pos;
+	},
+	startPosStartDrag: function () {
+		changeDrawMode('curveStart');
+		draw.currPathNum = draw.currCursor.pathNum;
+		updateSnapPoints(); // update intersection points
+		draw.animate(draw.curve.posMove,draw.curve.posStop,drawCanvasPaths);
+		//addListenerMove(window, draw.curve.posMove);
+		//addListenerEnd(window, draw.curve.posStop);
+	},
+	finPosStartDrag: function () {
+		changeDrawMode('curveFin');
+		draw.currPathNum = draw.currCursor.pathNum;
+		updateSnapPoints(); // update intersection points
+		draw.animate(draw.curve.posMove,draw.curve.posStop,drawCanvasPaths);
+		//addListenerMove(window, draw.curve.posMove);
+		//addListenerEnd(window, draw.curve.posStop);
+	},
+	controlPosStartDrag: function () {
+		changeDrawMode('curveControl');
+		draw.currPathNum = draw.currCursor.pathNum;
+		updateSnapPoints(); // update intersection points
+		draw.animate(draw.curve.posMove,draw.curve.posStop,drawCanvasPaths);
+		//addListenerMove(window, draw.curve.posMove);
+		//addListenerEnd(window, draw.curve.posStop);
+	},
+	posMove: function (e) {
+		updateMouse(e);
+		var x = draw.mouse[0];
+		var y = draw.mouse[1];
+		var pathNum = draw.currPathNum;
+		var obj = draw.path[pathNum].obj[0];
+
+		var pos = [x, y];
+		if (snapToObj2On || draw.snapLinesTogether) {
+			var pos = snapToObj2([x, y], pathNum);
+		}
+
+		if (draw.drawMode == 'curveStart' || draw.drawMode == 'curve2Start') {
+			obj.startPos[0] = pos[0];
+			obj.startPos[1] = pos[1];
+		} else if (draw.drawMode == 'curveFin' || draw.drawMode == 'curve2Fin') {
+			obj.finPos[0] = pos[0];
+			obj.finPos[1] = pos[1];
+		} else if (draw.drawMode == 'curveControl') {
+			obj.controlPos[0] = pos[0];
+			obj.controlPos[1] = pos[1];
+		} else if (draw.drawMode == 'curve2Control1') {
+			obj.controlPos1[0] = pos[0];
+			obj.controlPos1[1] = pos[1];
+		} else if (draw.drawMode == 'curve2Control2') {
+			obj.controlPos2[0] = pos[0];
+			obj.controlPos2[1] = pos[1];
+		}
+		updateBorder(draw.path[pathNum]);
+		//drawCanvasPaths();
+	},
+	posStop: function (e) {
+		var pathNum = draw.currPathNum;
+		var obj = draw.path[pathNum].obj[0];
+		//removeListenerMove(window, draw.curve.posMove);
+		//removeListenerEnd(window, draw.curve.posStop);
+		changeDrawMode();
+	},
+	drawButton: function (ctx, size) {
+		ctx.strokeStyle = '#000';
+		ctx.lineWidth = size * 0.04;
+		var p1 = [0.2 * size, 0.2 * size];
+		var p2 = [0.8 * size, 0.2 * size];
+		var c = [0.3 * size, 0.7 * size];
+		ctx.beginPath();
+		ctx.moveTo(p1[0], p1[1]);
+		ctx.quadraticCurveTo(c[0], c[1], p2[0], p2[1]);
+		ctx.stroke();
+		ctx.beginPath();
+		ctx.strokeStyle = '#666';
+		ctx.lineWidth = size * 0.01;
+		ctx.setLineDash([size * 0.08, size * 0.08]);
+		ctx.beginPath();
+		ctx.moveTo(p1[0], p1[1]);
+		ctx.lineTo(c[0], c[1]);
+		ctx.lineTo(p2[0], p2[1]);
+		ctx.stroke();
+		ctx.setLineDash([]);
+		ctx.beginPath();
+		ctx.fillStyle = '#F00';
+		ctx.arc(c[0], c[1], size * 0.04, 0, 2 * Math.PI);
+		ctx.fill();
+	},
+	scale: function (obj, sf, center) {
+		if (un(center))
+			var center = obj.startPos;
+		obj.startPos[0] = center[0] + sf * (obj.startPos[0] - center[0]);
+		obj.startPos[1] = center[1] + sf * (obj.startPos[1] - center[1]);
+		obj.finPos[0] = center[0] + sf * (obj.finPos[0] - center[0]);
+		obj.finPos[1] = center[1] + sf * (obj.finPos[1] - center[1]);
+		obj.controlPos[0] = center[0] + sf * (obj.controlPos[0] - center[0]);
+		obj.controlPos[1] = center[1] + sf * (obj.controlPos[1] - center[1]);
+		if (!un(obj.thickness))
+			obj.thickness *= sf;
+		if (!un(obj.dash)) {
+			if (!un(obj.dash[0]))
+				obj.dash[0] *= sf;
+			if (!un(obj.dash[1]))
+				obj.dash[1] *= sf;
+		}
+	},
+	getControlPanel: function (obj) {
+		var elements = [{
+				name: 'Style',
+				type: 'style'
+			}, {
+				name: 'Arrows',
+				type: 'curveDec',
+				obj: obj
+			}
+		];
+		return {
+			obj: obj,
+			elements: elements
+		};
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.startPos[0] += dl;
+		obj.startPos[1] += dt;
+		obj.finPos[0] += dl;
+		obj.finPos[1] += dt;
+		obj.controlPos[0] += dl;
+		obj.controlPos[1] += dt;
+	}
+}
+draw.curve2 = {
+	add: function (x, y, r) {
+		deselectAllPaths(false);
+		changeDrawMode();
+		var pos = getRelPos([250, 150]);
+		if (un(x))
+			x = pos[0];
+		if (un(y))
+			y = pos[1];
+		if (un(r))
+			r = 100;
+		draw.path.push({
+			obj: [{
+					type: 'curve2',
+					thickness: 2,
+					startPos: [x - r * 0.7, y - 0.5 * r],
+					finPos: [x + r * 0.7, y - 0.5 * r],
+					controlPos1: [x - r * 0.25, y + r],
+					controlPos2: [x + r * 0.25, y + r],
+					color: draw.color,
+				}
+			],
+			selected: true,
+			trigger: []
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+	},
+	draw: function (ctx, obj, path) {
+		ctx.strokeStyle = obj.color;
+		ctx.lineWidth = obj.thickness;
+		if (typeof ctx.setLineDash !== 'function')
+			ctx.setLineDash = function () {};
+		if (typeof obj.dash !== 'undefined')
+			ctx.setLineDash(obj.dash);
+		ctx.lineCap = 'round';
+		ctx.lineJoin = 'round';
+		ctx.beginPath();
+		ctx.moveTo(obj.startPos[0], obj.startPos[1]);
+		ctx.bezierCurveTo(obj.controlPos1[0], obj.controlPos1[1], obj.controlPos2[0], obj.controlPos2[1], obj.finPos[0], obj.finPos[1]);
+		ctx.stroke();
+		ctx.setLineDash([]);
+
+		if (draw.mode === 'edit' && path.obj.length == 1 && path.selected == true) { // if selected
+			ctx.save();
+			ctx.lineWidth = 1;
+			ctx.strokeStyle = '#000';
+			ctx.fillStyle = '#F00';
+			ctx.beginPath();
+			ctx.arc(obj.startPos[0], obj.startPos[1], 8, 0, 2 * Math.PI);
+			ctx.fill();
+			ctx.stroke();
+			ctx.beginPath();
+			ctx.arc(obj.finPos[0], obj.finPos[1], 8, 0, 2 * Math.PI);
+			ctx.fill();
+			ctx.stroke();
+			ctx.beginPath();
+			ctx.arc(obj.controlPos1[0], obj.controlPos1[1], 8, 0, 2 * Math.PI);
+			ctx.fill();
+			ctx.stroke();
+			ctx.beginPath();
+			ctx.arc(obj.controlPos2[0], obj.controlPos2[1], 8, 0, 2 * Math.PI);
+			ctx.fill();
+			ctx.stroke();
+			ctx.restore();
+		}
+	},
+	getRect: function (obj) {
+		obj._left = Math.min(obj.startPos[0], obj.finPos[0], obj.controlPos1[0], obj.controlPos2[0]);
+		obj._top = Math.min(obj.startPos[1], obj.finPos[1], obj.controlPos1[1], obj.controlPos2[1]);
+		obj._width = Math.max(obj.startPos[0], obj.finPos[0], obj.controlPos1[0], obj.controlPos2[0]) - obj._left;
+		obj._height = Math.max(obj.startPos[1], obj.finPos[1], obj.controlPos1[1], obj.controlPos2[1]) - obj._top;
+		return [obj._left, obj._top, obj._width, obj._height];
+	},
+	getCursorPositionsSelected: function (obj, pathNum) {
+		var pos = [];
+		pos.push({
+			shape: 'circle',
+			dims: [obj.startPos[0], obj.startPos[1], 8],
+			cursor: draw.cursors.pointer,
+			func: draw.curve2.startPosStartDrag,
+			pathNum: pathNum
+		});
+		pos.push({
+			shape: 'circle',
+			dims: [obj.finPos[0], obj.finPos[1], 8],
+			cursor: draw.cursors.pointer,
+			func: draw.curve2.finPosStartDrag,
+			pathNum: pathNum
+		});
+		pos.push({
+			shape: 'circle',
+			dims: [obj.controlPos1[0], obj.controlPos1[1], 8],
+			cursor: draw.cursors.pointer,
+			func: draw.curve2.controlPos1StartDrag,
+			pathNum: pathNum
+		});
+		pos.push({
+			shape: 'circle',
+			dims: [obj.controlPos2[0], obj.controlPos2[1], 8],
+			cursor: draw.cursors.pointer,
+			func: draw.curve2.controlPos2StartDrag,
+			pathNum: pathNum
+		});
+		return pos;
+	},
+	startPosStartDrag: function () {
+		changeDrawMode('curve2Start');
+		draw.currPathNum = draw.currCursor.pathNum;
+		draw.animate(draw.curve2.posMove,draw.curve2.posStop,drawCanvasPaths);
+		//addListenerMove(window, draw.curve2.posMove);
+		//addListenerEnd(window, draw.curve2.posStop);
+	},
+	finPosStartDrag: function () {
+		changeDrawMode('curve2Fin');
+		draw.currPathNum = draw.currCursor.pathNum;
+		updateSnapPoints(); // update intersection points
+		draw.animate(draw.curve2.posMove,draw.curve2.posStop,drawCanvasPaths);
+		//addListenerMove(window, draw.curve2.posMove);
+		//addListenerEnd(window, draw.curve2.posStop);
+	},
+	controlPos1StartDrag: function () {
+		changeDrawMode('curve2Control1');
+		draw.currPathNum = draw.currCursor.pathNum;
+		updateSnapPoints(); // update intersection points
+		draw.animate(draw.curve2.posMove,draw.curve2.posStop,drawCanvasPaths);
+		//addListenerMove(window, draw.curve2.posMove);
+		//addListenerEnd(window, draw.curve2.posStop);
+	},
+	controlPos2StartDrag: function () {
+		changeDrawMode('curve2Control2');
+		draw.currPathNum = draw.currCursor.pathNum;
+		updateSnapPoints(); // update intersection points
+		draw.animate(draw.curve2.posMove,draw.curve2.posStop,drawCanvasPaths);
+		//addListenerMove(window, draw.curve2.posMove);
+		//addListenerEnd(window, draw.curve2.posStop);
+	},
+	posMove: function (e) {
+		updateMouse(e);
+		var x = draw.mouse[0];
+		var y = draw.mouse[1];
+		var pathNum = draw.currPathNum;
+		var obj = draw.path[pathNum].obj[0];
+
+		var pos = [x, y];
+		if (snapToObj2On || draw.snapLinesTogether) {
+			var pos = snapToObj2([x, y], pathNum);
+		}
+
+		if (draw.drawMode == 'curveStart' || draw.drawMode == 'curve2Start') {
+			obj.startPos[0] = pos[0];
+			obj.startPos[1] = pos[1];
+		} else if (draw.drawMode == 'curveFin' || draw.drawMode == 'curve2Fin') {
+			obj.finPos[0] = pos[0];
+			obj.finPos[1] = pos[1];
+		} else if (draw.drawMode == 'curveControl') {
+			obj.controlPos[0] = pos[0];
+			obj.controlPos[1] = pos[1];
+		} else if (draw.drawMode == 'curve2Control1') {
+			obj.controlPos1[0] = pos[0];
+			obj.controlPos1[1] = pos[1];
+		} else if (draw.drawMode == 'curve2Control2') {
+			obj.controlPos2[0] = pos[0];
+			obj.controlPos2[1] = pos[1];
+		}
+		updateBorder(draw.path[pathNum]);
+		//drawCanvasPaths();
+	},
+	posStop: function (e) {
+		var pathNum = draw.currPathNum;
+		var obj = draw.path[pathNum].obj[0];
+		//removeListenerMove(window, draw.curve.posMove);
+		//removeListenerEnd(window, draw.curve.posStop);
+		changeDrawMode();
+	},
+	drawButton: function (ctx, size) {
+		ctx.strokeStyle = '#000';
+		ctx.lineWidth = size * 0.04;
+		var p1 = [0.2 * size, 0.2 * size];
+		var p2 = [0.8 * size, 0.2 * size];
+		var c1 = [0.3 * size, 0.7 * size];
+		var c2 = [0.8 * size, 0.8 * size];
+		ctx.beginPath();
+		ctx.moveTo(p1[0], p1[1]);
+		ctx.bezierCurveTo(c1[0], c1[1], c2[0], c2[1], p2[0], p2[1]);
+		ctx.stroke();
+		ctx.beginPath();
+		ctx.strokeStyle = '#666';
+		ctx.lineWidth = size * 0.01;
+		ctx.setLineDash([size * 0.08, size * 0.08]);
+		ctx.beginPath();
+		ctx.moveTo(p1[0], p1[1]);
+		ctx.lineTo(c1[0], c1[1]);
+		ctx.lineTo(c2[0], c2[1]);
+		ctx.lineTo(p2[0], p2[1]);
+		ctx.stroke();
+		ctx.setLineDash([]);
+		ctx.beginPath();
+		ctx.fillStyle = '#F00';
+		ctx.arc(c1[0], c1[1], size * 0.04, 0, 2 * Math.PI);
+		ctx.arc(c2[0], c2[1], size * 0.04, 0, 2 * Math.PI);
+		ctx.fill();
+	},
+	scale: function (obj, sf, center) {
+		if (un(center))
+			var center = obj.startPos;
+		obj.startPos[0] = center[0] + sf * (obj.startPos[0] - center[0]);
+		obj.startPos[1] = center[1] + sf * (obj.startPos[1] - center[1]);
+		obj.finPos[0] = center[0] + sf * (obj.finPos[0] - center[0]);
+		obj.finPos[1] = center[1] + sf * (obj.finPos[1] - center[1]);
+		obj.controlPos1[0] = center[0] + sf * (obj.controlPos1[0] - center[0]);
+		obj.controlPos1[1] = center[1] + sf * (obj.controlPos1[1] - center[1]);
+		obj.controlPos2[0] = center[0] + sf * (obj.controlPos2[0] - center[0]);
+		obj.controlPos2[1] = center[1] + sf * (obj.controlPos2[1] - center[1]);
+		if (!un(obj.thickness))
+			obj.thickness *= sf;
+		if (!un(obj.dash)) {
+			if (!un(obj.dash[0]))
+				obj.dash[0] *= sf;
+			if (!un(obj.dash[1]))
+				obj.dash[1] *= sf;
+		}
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.startPos[0] += dl;
+		obj.startPos[1] += dt;
+		obj.finPos[0] += dl;
+		obj.finPos[1] += dt;
+		obj.controlPos1[0] += dl;
+		obj.controlPos1[1] += dt;
+		obj.controlPos2[0] += dl;
+		obj.controlPos2[1] += dt;
+	}
+}
+draw.square = {
+	draw: function (ctx, obj, path) {
+		draw.rect.draw(ctx, obj, path);
+	},
+	getRect: function (obj) {
+		if (!un(obj.startPos) && !un(obj.finPos)) {
+			obj._left = Math.min(obj.startPos[0], obj.finPos[0]);
+			obj._top = Math.min(obj.startPos[1], obj.finPos[1]);
+			obj._width = Math.max(obj.startPos[0], obj.finPos[0]) - obj._left;
+			obj._height = Math.max(obj.startPos[1], obj.finPos[1]) - obj._top;
+			return [obj._left, obj._top, obj._width, obj._height];
+		}
+	},
+	scale: function (obj, sf, center) {
+		if (un(center))
+			var center = obj.startPos;
+		obj.startPos[0] = center[0] + sf * (obj.startPos[0] - center[0]);
+		obj.startPos[1] = center[1] + sf * (obj.startPos[1] - center[1]);
+		obj.finPos[0] = center[0] + sf * (obj.finPos[0] - center[0]);
+		obj.finPos[1] = center[1] + sf * (obj.finPos[1] - center[1]);
+		if (!un(obj.thickness))
+			obj.thickness *= sf;
+		if (!un(obj.dash)) {
+			if (!un(obj.dash[0]))
+				obj.dash[0] *= sf;
+			if (!un(obj.dash[1]))
+				obj.dash[1] *= sf;
+		}
+	}
+}
+draw.rect = {
+	draw: function (ctx, obj, path) {
+		if (un(obj.finPos) || obj.finPos.length == 0)
+			return;
+		ctx.strokeStyle = obj.color;
+		ctx.lineWidth = obj.thickness;
+		if (typeof ctx.setLineDash !== 'function')
+			ctx.setLineDash = function () {};
+		if (typeof obj.dash !== 'undefined')
+			ctx.setLineDash(obj.dash);
+		ctx.lineCap = 'round';
+		ctx.lineJoin = 'round';
+		if (obj.fillColor !== 'none') {
+			ctx.fillStyle = obj.fillColor;
+			ctx.fillRect(obj.startPos[0], obj.startPos[1], obj.finPos[0] - obj.startPos[0], obj.finPos[1] - obj.startPos[1]);
+		}
+		ctx.strokeRect(obj.startPos[0], obj.startPos[1], obj.finPos[0] - obj.startPos[0], obj.finPos[1] - obj.startPos[1]);
+		ctx.setLineDash([]);
+	},
+	getRect: function (obj) {
+		if (!un(obj.startPos) && !un(obj.finPos)) {
+			obj._left = Math.min(obj.startPos[0], obj.finPos[0]);
+			obj._top = Math.min(obj.startPos[1], obj.finPos[1]);
+			obj._width = Math.max(obj.startPos[0], obj.finPos[0]) - obj._left;
+			obj._height = Math.max(obj.startPos[1], obj.finPos[1]) - obj._top;
+			return [obj._left, obj._top, obj._width, obj._height];
+		}
+	},
+	scale: function (obj, sf, center) {
+		if (un(center))
+			var center = obj.startPos;
+		obj.startPos[0] = center[0] + sf * (obj.startPos[0] - center[0]);
+		obj.startPos[1] = center[1] + sf * (obj.startPos[1] - center[1]);
+		obj.finPos[0] = center[0] + sf * (obj.finPos[0] - center[0]);
+		obj.finPos[1] = center[1] + sf * (obj.finPos[1] - center[1]);
+		if (!un(obj.thickness))
+			obj.thickness *= sf;
+		if (!un(obj.dash)) {
+			if (!un(obj.dash[0]))
+				obj.dash[0] *= sf;
+			if (!un(obj.dash[1]))
+				obj.dash[1] *= sf;
+		}
+	}
+}
+draw.prism = {
+	resizable: true,
+	add: function (n) {
+		if (un(n))
+			n = 4;
+		deselectAllPaths(false);
+		changeDrawMode();
+		draw.path.push({
+			obj: [{
+					type: 'prism',
+					center: getRelPos([300, 300]),
+					radiusX: 100,
+					radiusY: 100 / 3,
+					tilt: 0.35,
+					height: 200,
+					points: n,
+					color: draw.color,
+					thickness: 2,
+					startAngle: -Math.PI / 2
+				}
+			],
+			selected: true,
+			trigger: []
+		});
+		for (var p = 0; p < draw.path.length; p++)
+			updateBorder(draw.path[p]);
+		drawCanvasPaths();
+	},
+	draw: function (ctx, obj, path) {
+		obj._top = [obj.center[0], obj.center[1] - (1 - obj.tilt) * obj.height];
+		obj._radiusY = obj.radiusX * obj.tilt;
+
+		obj._baseVertices = [];
+		obj._topVertices = [];
+		for (var p = 0; p < obj.points; p++) {
+			var angle = obj.startAngle + p * (2 * Math.PI) / obj.points;
+			obj._baseVertices.push([obj.center[0] + obj.radiusX * Math.cos(angle), obj.center[1] + obj._radiusY * Math.sin(angle), angle]);
+			obj._topVertices.push([obj.center[0] + obj.radiusX * Math.cos(angle), obj.center[1] + obj._radiusY * Math.sin(angle) - obj.height, angle]);
+		}
+
+		for (var p = 0; p < obj.points; p++) {
+			obj._baseVertices[p][3] = isPointVisible(p);
+			obj._topVertices[p][3] = true;
+		}
+		if ((obj.points == 3 || obj.points == 4) && hitTestPolygon(obj._top, obj._baseVertices) == false) {
+			var negDiff = [];
+			var posDiff = [];
+			for (var p = 0; p < obj._baseVertices.length; p++) {
+				negDiff[p] = 7;
+				posDiff[p] = 7;
+				var angle = simplifyAngle(obj._baseVertices[p][2]);
+				if (angle < 0.5 * Math.PI) {
+					posDiff[p] = 0.5 * Math.PI + angle;
+				} else if (angle < 1.5 * Math.PI) {
+					negDiff[p] = 1.5 * Math.PI - angle;
+				} else {
+					posDiff[p] = angle - 1.5 * Math.PI;
+				}
+			}
+			var pos = posDiff.indexOf(arrayMin(posDiff));
+			var neg = negDiff.indexOf(arrayMin(negDiff));
+			if (typeof pos == 'number' && pos > -1 && typeof neg == 'number' && neg > -1) {
+				obj._baseVertices[pos][4] = true;
+				obj._baseVertices[neg][4] = true;
+			}
+		}
+
+		for (var i = 0; i < p; i++) {
+			var v1 = obj._baseVertices[i];
+			var v2 = obj._baseVertices[(i + 1) % p];
+			if (v1[3] == false || v2[3] == false || (v1[4] == true && v2[4] == true)) {
+				ctx.setLineDash([5, 5]);
+			} else {
+				ctx.strokeStyle = obj.color;
+			}
+			ctx.beginPath();
+			ctx.moveTo(v1[0], v1[1]);
+			ctx.lineTo(v2[0], v2[1]);
+			ctx.stroke();
+			ctx.setLineDash([]);
+		}
+
+		for (var i = 0; i < obj._baseVertices.length; i++) {
+			var angle = simplifyAngle(obj._baseVertices[i][2]);
+
+			ctx.lineWidth = obj.thickness;
+			if (obj._baseVertices[i][3] == false) {
+				ctx.setLineDash([5, 5]);
+			} else {
+				ctx.strokeStyle = obj.color;
+			}
+			ctx.beginPath();
+			ctx.moveTo(obj._baseVertices[i][0], obj._baseVertices[i][1]);
+			ctx.lineTo(obj._topVertices[i][0], obj._topVertices[i][1]);
+			ctx.stroke();
+			ctx.setLineDash([]);
+
+			ctx.beginPath();
+			ctx.moveTo(obj._topVertices[i][0], obj._topVertices[i][1]);
+			ctx.lineTo(obj._topVertices[(i + 1) % p][0], obj._topVertices[(i + 1) % p][1]);
+			ctx.stroke();
+		}
+		function isPointVisible(i) {
+			var arr = [];
+			for (var j = 1; j < obj._baseVertices.length; j++)
+				arr.push(obj._baseVertices[(i + j) % obj._baseVertices.length]);
+			for (var j = 0; j < arr.length - 1; j++) {
+				if (hitTestPolygon(obj._baseVertices[i], [arr[j], arr[j + 1], obj._top]) == true)
+					return false;
+			}
+			return true;
+		}
+		function simplifyAngle(angle) {
+			while (angle < 0)
+				angle += 2 * Math.PI;
+			while (angle > 2 * Math.PI)
+				angle -= 2 * Math.PI;
+			return angle;
+		}
+	},
+	getRect: function (obj) {
+		obj._radiusY = obj.radiusX * obj.tilt;
+		obj._top = [obj.center[0], obj.center[1] - (1 - obj.tilt) * obj.height - obj._radiusY];
+		if (obj._top[1] < obj.center[1] - obj._radiusY) {
+			return [obj.center[0] - obj.radiusX, obj._top[1] - obj._radiusY, obj.radiusX * 2, obj.center[1] + 2 * obj._radiusY - obj._top[1]];
+		} else {
+			return [obj.center[0] - obj.radiusX, obj.center[1] - obj._radiusY, obj.radiusX * 2, 2 * obj._radiusY];
+		}
+
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.center[0] += dl;
+		obj.center[1] += dt + dh;
+		obj.radiusX += dw;
+		var newTotalHeight = obj.height + obj.radiusY + dh;
+		obj.radiusY = obj.radiusX / 3;
+		obj.height = newTotalHeight - obj.radiusY;
+	},
+	getButtons: function (x1, y1, x2, y2, pathNum) {
+		var buttons = [];
+		buttons.push({
+			buttonType: 'prism-rotate',
+			shape: 'rect',
+			dims: [x2 - 40, y2 - 20, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.prism.rotateStart,
+			pathNum: pathNum,
+			draw: function (path, ctx, l, t, w, h) {
+				ctx.fillStyle = colorA('#F96', 0.5);
+				ctx.fillRect(l, t, w, h);
+			}
+		});
+		buttons.push({
+			buttonType: 'prism-vertices-minus',
+			shape: 'rect',
+			dims: [x2 - 20, y2 - 40, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.prism.verticesMinus,
+			pathNum: pathNum,
+			draw: function (path, ctx, l, t, w, h) {
+				ctx.fillStyle = colorA('#F00', 0.5);
+				ctx.fillRect(l, t, w, h);
+				text({
+					ctx: ctx,
+					align: [0, 0],
+					rect: [l, t, w, h],
+					text: ['<<fontSize:14>>-']
+				});
+			}
+		});
+		buttons.push({
+			buttonType: 'prism-vertices-plus',
+			shape: 'rect',
+			dims: [x2 - 20, y2 - 60, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.prism.verticesPlus,
+			pathNum: pathNum,
+			draw: function (path, ctx, l, t, w, h) {
+				ctx.fillStyle = colorA('#F00', 0.5);
+				ctx.fillRect(l, t, w, h);
+				text({
+					ctx: ctx,
+					align: [0, 0],
+					rect: [l, t, w, h],
+					text: ['<<fontSize:14>>+']
+				});
+			}
+		});
+		buttons.push({
+			buttonType: 'prism-tilt-minus',
+			shape: 'rect',
+			dims: [x2 - 80, y2 - 20, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.prism.tiltMinusStart,
+			pathNum: pathNum,
+			draw: function (path, ctx, l, t, w, h) {
+				ctx.fillStyle = colorA('#393', 0.5);
+				ctx.fillRect(l, t, w, h);
+			}
+		});
+		buttons.push({
+			buttonType: 'prism-tilt-plus',
+			shape: 'rect',
+			dims: [x2 - 60, y2 - 20, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.prism.tiltPlusStart,
+			pathNum: pathNum,
+			draw: function (path, ctx, l, t, w, h) {
+				ctx.fillStyle = colorA('#09F', 0.5);
+				ctx.fillRect(l, t, w, h);
+			}
+		});
+		return buttons;
+	},
+	rotateStart: function () {
+		draw.prism.rotateIntervalObj = draw.path[draw.currCursor.pathNum].obj[0];
+		draw.prism.rotateInterval = setInterval(function () {
+				draw.prism.rotateIntervalObj.startAngle += Math.PI / 30;
+				drawCanvasPaths();
+			}, 100);
+		addListenerEnd(window, draw.prism.rotateStop);
+	},
+	rotateStop: function () {
+		clearInterval(draw.prism.rotateInterval);
+		delete draw.prism.rotateIntervalObj;
+		removeListenerEnd(window, draw.prism.rotateStop);
+	},
+	verticesMinus: function () {
+		var obj = draw.path[draw.currCursor.pathNum].obj[0];
+		if (obj.points > 3)
+			obj.points--;
+		drawSelectedPaths();
+	},
+	verticesPlus: function () {
+		var obj = draw.path[draw.currCursor.pathNum].obj[0];
+		obj.points++;
+		drawSelectedPaths();
+	},
+	drawButton: function (ctx, size) {
+		ctx.beginPath();
+		draw.prism.draw(ctx, {
+			center: [0.5 * size, 0.7 * size],
+			radiusX: 0.3 * size,
+			radiusY: 0.1 * size,
+			height: 0.5 * size,
+			points: 5,
+			color: '#000',
+			thickness: 0.02 * size,
+			startAngle: -Math.PI / 8
+		});
+		ctx.stroke();
+	},
+	tiltPlusStart: function () {
+		draw.prism.tiltIntervalPath = draw.path[draw.currCursor.pathNum];
+		draw.prism.tiltIntervalObj = draw.path[draw.currCursor.pathNum].obj[0];
+		draw.prism.tiltInterval = setInterval(function () {
+				var obj = draw.prism.tiltIntervalObj;
+				if (un(obj.tilt))
+					obj.tilt = obj.radiusY / obj.radiusX;
+				if (obj.tilt < 1) {
+					obj.tilt = Math.min(obj.tilt + 0.05, 1);
+					updateBorder(draw.prism.tiltIntervalPath);
+					drawCanvasPaths();
+				} else {
+					draw.prism.tiltStop();
+				}
+				drawCanvasPaths();
+			}, 100);
+		addListenerEnd(window, draw.prism.tiltStop);
+	},
+	tiltMinusStart: function () {
+		draw.prism.tiltIntervalPath = draw.path[draw.currCursor.pathNum];
+		draw.prism.tiltIntervalObj = draw.path[draw.currCursor.pathNum].obj[0];
+		draw.prism.tiltInterval = setInterval(function () {
+				var obj = draw.prism.tiltIntervalObj;
+				if (un(obj.tilt))
+					obj.tilt = obj.radiusY / obj.radiusX;
+				if (obj.tilt > 0) {
+					obj.tilt = Math.max(obj.tilt - 0.05, 0);
+					updateBorder(draw.prism.tiltIntervalPath);
+					drawCanvasPaths();
+				} else {
+					draw.prism.tiltStop();
+				}
+			}, 100);
+		addListenerEnd(window, draw.prism.tiltStop);
+	},
+	tiltStop: function () {
+		clearInterval(draw.prism.tiltInterval);
+		delete draw.prism.tiltIntervalObj;
+		delete draw.prism.tiltIntervalPath;
+		removeListenerEnd(window, draw.prism.tiltStop);
+	},
+	altDragMove: function (obj, dx, dy) {
+		obj.tilt = Math.min(1, Math.max(0, obj.tilt + dy * 0.005));
+		obj.startAngle -= 0.01 * dx;
+		while (obj.startAngle < 0)
+			obj.startAngle += 2 * Math.PI;
+		while (obj.startAngle > 2 * Math.PI)
+			obj.startAngle -= 2 * Math.PI;
+	},
+	scale: function (obj, sf, center) {
+		if (un(center))
+			var center = obj.center;
+		obj.center[0] = center[0] + sf * (obj.center[0] - center[0]);
+		obj.center[1] = center[1] + sf * (obj.center[1] - center[1]);
+		if (!un(obj.radiusX))
+			obj.radiusX *= sf;
+		if (!un(obj.radiusY))
+			obj.radiusY *= sf;
+		if (!un(obj.height))
+			obj.height *= sf;
+		if (!un(obj.thickness))
+			obj.thickness *= sf;
+		if (!un(obj.dash)) {
+			if (!un(obj.dash[0]))
+				obj.dash[0] *= sf;
+			if (!un(obj.dash[1]))
+				obj.dash[1] *= sf;
+		}
+	}
+};
+draw.pyramid = {
+	resizable: true,
+	add: function (n) {
+		if (un(n))
+			n = 4;
+		deselectAllPaths(false);
+		changeDrawMode();
+		draw.path.push({
+			obj: [{
+					type: 'pyramid',
+					center: getRelPos([300, 300]),
+					radiusX: 100,
+					radiusY: 100 / 3,
+					tilt: 0.35,
+					height: 200,
+					points: n,
+					color: draw.color,
+					thickness: draw.thickness,
+					startAngle: -Math.PI / 2
+				}
+			],
+			selected: true,
+			trigger: []
+		});
+		for (var p = 0; p < draw.path.length; p++)
+			updateBorder(draw.path[p]);
+		drawCanvasPaths();
+	},
+	draw: function (ctx, obj, path) {
+		if (!un(obj.tilt)) {
+			obj._top = [obj.center[0], obj.center[1] - (1 - obj.tilt) * obj.height];
+			obj._radiusY = obj.radiusX * obj.tilt;
+		} else {
+			obj._top = [obj.center[0], obj.center[1] - obj.height];
+			obj._radiusY = obj.radiusY;
+		}
+
+		obj._baseVertices = [];
+		for (var p = 0; p < obj.points; p++) {
+			var angle = obj.startAngle + p * (2 * Math.PI) / obj.points;
+			obj._baseVertices.push([obj.center[0] + obj.radiusX * Math.cos(angle), obj.center[1] + obj._radiusY * Math.sin(angle), angle]);
+		}
+
+		for (var p = 0; p < obj.points; p++)
+			obj._baseVertices[p][3] = isPointVisible(p);
+
+		if ((obj.points == 3 || obj.points == 4) && hitTestPolygon(obj._top, obj._baseVertices) == false) {
+			var negDiff = [];
+			var posDiff = [];
+			for (var p = 0; p < obj._baseVertices.length; p++) {
+				negDiff[p] = 7;
+				posDiff[p] = 7;
+				var angle = simplifyAngle(obj._baseVertices[p][2]);
+				if (angle < 0.5 * Math.PI) {
+					posDiff[p] = 0.5 * Math.PI + angle;
+				} else if (angle < 1.5 * Math.PI) {
+					negDiff[p] = 1.5 * Math.PI - angle;
+				} else {
+					posDiff[p] = angle - 1.5 * Math.PI;
+				}
+			}
+			var pos = posDiff.indexOf(arrayMin(posDiff));
+			var neg = negDiff.indexOf(arrayMin(negDiff));
+			if (typeof pos == 'number' && pos > -1 && typeof neg == 'number' && neg > -1) {
+				obj._baseVertices[pos][4] = true;
+				obj._baseVertices[neg][4] = true;
+			}
+		}
+
+		for (var i = 0; i < p; i++) {
+			var v1 = obj._baseVertices[i];
+			var v2 = obj._baseVertices[(i + 1) % p];
+			if (v1[3] == false || v2[3] == false || (v1[4] == true && v2[4] == true)) {
+				ctx.setLineDash([5, 5]);
+			} else {
+				ctx.strokeStyle = obj.color;
+			}
+			ctx.beginPath();
+			ctx.moveTo(v1[0], v1[1]);
+			ctx.lineTo(v2[0], v2[1]);
+			ctx.stroke();
+			ctx.setLineDash([]);
+		}
+
+		for (var i = 0; i < obj._baseVertices.length; i++) {
+			var angle = simplifyAngle(obj._baseVertices[i][2]);
+
+			ctx.lineWidth = obj.thickness;
+			if (obj._baseVertices[i][3] == false) {
+				ctx.setLineDash([5, 5]);
+			} else {
+				ctx.strokeStyle = obj.color;
+			}
+			ctx.beginPath();
+			ctx.moveTo(obj._baseVertices[i][0], obj._baseVertices[i][1]);
+			ctx.lineTo(obj._top[0], obj._top[1]);
+			ctx.stroke();
+			ctx.setLineDash([]);
+		}
+		function isPointVisible(i) {
+			var arr = [];
+			for (var j = 1; j < obj._baseVertices.length; j++)
+				arr.push(obj._baseVertices[(i + j) % obj._baseVertices.length]);
+			for (var j = 0; j < arr.length - 1; j++) {
+				if (hitTestPolygon(obj._baseVertices[i], [arr[j], arr[j + 1], obj._top]) == true)
+					return false;
+			}
+			return true;
+		}
+		function simplifyAngle(angle) {
+			while (angle < 0)
+				angle += 2 * Math.PI;
+			while (angle > 2 * Math.PI)
+				angle -= 2 * Math.PI;
+			return angle;
+		}
+	},
+	getRect: function (obj) {
+		if (!un(obj.tilt)) {
+			obj._top = [obj.center[0], obj.center[1] - (1 - obj.tilt) * obj.height];
+			obj._radiusY = obj.radiusX * obj.tilt;
+		} else {
+			obj._top = [obj.center[0], obj.center[1] - obj.height];
+			obj._radiusY = obj.radiusY;
+		}
+		if (obj._top[1] < obj.center[1] - obj._radiusY) {
+			return [obj.center[0] - obj.radiusX, obj._top[1], obj.radiusX * 2, obj.center[1] + obj._radiusY - obj._top[1]];
+		} else {
+			return [obj.center[0] - obj.radiusX, obj.center[1] - obj._radiusY, obj.radiusX * 2, 2 * obj._radiusY];
+		}
+
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.center[0] += dl;
+		obj.center[1] += dt + dh;
+		obj.radiusX += dw;
+		var newTotalHeight = obj.height + obj.radiusY + dh;
+		obj.radiusY = obj.radiusX / 3;
+		obj.height = newTotalHeight - obj.radiusY;
+	},
+	getButtons: function (x1, y1, x2, y2, pathNum) {
+		var buttons = [];
+		buttons.push({
+			buttonType: 'pyramid-rotate',
+			shape: 'rect',
+			dims: [x2 - 40, y2 - 20, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.pyramid.rotateStart,
+			pathNum: pathNum,
+			draw: function (path, ctx, l, t, w, h) {
+				ctx.fillStyle = colorA('#F96', 0.5);
+				ctx.fillRect(l, t, w, h);
+			}
+		});
+		buttons.push({
+			buttonType: 'pyramid-vertices-minus',
+			shape: 'rect',
+			dims: [x2 - 20, y2 - 40, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.pyramid.verticesMinus,
+			pathNum: pathNum,
+			draw: function (path, ctx, l, t, w, h) {
+				ctx.fillStyle = colorA('#F00', 0.5);
+				ctx.fillRect(l, t, w, h);
+				text({
+					ctx: ctx,
+					align: [0, 0],
+					rect: [l, t, w, h],
+					text: ['<<fontSize:14>>-']
+				});
+			}
+		});
+		buttons.push({
+			buttonType: 'pyramid-vertices-plus',
+			shape: 'rect',
+			dims: [x2 - 20, y2 - 60, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.pyramid.verticesPlus,
+			pathNum: pathNum,
+			draw: function (path, ctx, l, t, w, h) {
+				ctx.fillStyle = colorA('#F00', 0.5);
+				ctx.fillRect(l, t, w, h);
+				text({
+					ctx: ctx,
+					align: [0, 0],
+					rect: [l, t, w, h],
+					text: ['<<fontSize:14>>+']
+				});
+			}
+		});
+		buttons.push({
+			buttonType: 'pyramid-tilt-minus',
+			shape: 'rect',
+			dims: [x2 - 80, y2 - 20, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.pyramid.tiltMinusStart,
+			pathNum: pathNum,
+			draw: function (path, ctx, l, t, w, h) {
+				ctx.fillStyle = colorA('#393', 0.5);
+				ctx.fillRect(l, t, w, h);
+			}
+		});
+		buttons.push({
+			buttonType: 'pyramid-tilt-plus',
+			shape: 'rect',
+			dims: [x2 - 60, y2 - 20, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.pyramid.tiltPlusStart,
+			pathNum: pathNum,
+			draw: function (path, ctx, l, t, w, h) {
+				ctx.fillStyle = colorA('#09F', 0.5);
+				ctx.fillRect(l, t, w, h);
+			}
+		});
+		return buttons;
+	},
+	rotateStart: function () {
+		draw.pyramid.rotateIntervalObj = draw.path[draw.currCursor.pathNum].obj[0];
+		draw.pyramid.rotateInterval = setInterval(function () {
+				draw.pyramid.rotateIntervalObj.startAngle += Math.PI / 30;
+				drawCanvasPaths();
+			}, 100);
+		addListenerEnd(window, draw.pyramid.rotateStop);
+	},
+	rotateStop: function () {
+		clearInterval(draw.pyramid.rotateInterval);
+		delete draw.pyramid.rotateIntervalObj;
+		removeListenerEnd(window, draw.pyramid.rotateStop);
+	},
+	verticesMinus: function () {
+		var obj = draw.path[draw.currCursor.pathNum].obj[0];
+		if (obj.points > 3)
+			obj.points--;
+		drawSelectedPaths();
+	},
+	verticesPlus: function () {
+		var obj = draw.path[draw.currCursor.pathNum].obj[0];
+		obj.points++;
+		drawSelectedPaths();
+	},
+	drawButton: function (ctx, size) {
+		ctx.beginPath();
+		draw.pyramid.draw(ctx, {
+			center: [0.5 * size, 0.7 * size],
+			radiusX: 0.3 * size,
+			radiusY: 0.1 * size,
+			height: 0.5 * size,
+			points: 4,
+			color: '#000',
+			thickness: 0.02 * size,
+			startAngle: -Math.PI / 8
+		});
+		ctx.stroke();
+	},
+	tiltPlusStart: function () {
+		draw.pyramid.tiltIntervalPath = draw.path[draw.currCursor.pathNum];
+		draw.pyramid.tiltIntervalObj = draw.path[draw.currCursor.pathNum].obj[0];
+		draw.pyramid.tiltInterval = setInterval(function () {
+				var obj = draw.pyramid.tiltIntervalObj;
+				if (un(obj.tilt))
+					obj.tilt = obj.radiusY / obj.radiusX;
+				if (obj.tilt < 1) {
+					obj.tilt = Math.min(obj.tilt + 0.05, 1);
+					updateBorder(draw.pyramid.tiltIntervalPath);
+					drawCanvasPaths();
+				} else {
+					draw.pyramid.tiltStop();
+				}
+				drawCanvasPaths();
+			}, 100);
+		addListenerEnd(window, draw.pyramid.tiltStop);
+	},
+	tiltMinusStart: function () {
+		draw.pyramid.tiltIntervalPath = draw.path[draw.currCursor.pathNum];
+		draw.pyramid.tiltIntervalObj = draw.path[draw.currCursor.pathNum].obj[0];
+		draw.pyramid.tiltInterval = setInterval(function () {
+				var obj = draw.pyramid.tiltIntervalObj;
+				if (un(obj.tilt))
+					obj.tilt = obj.radiusY / obj.radiusX;
+				if (obj.tilt > 0) {
+					obj.tilt = Math.max(obj.tilt - 0.05, 0);
+					updateBorder(draw.pyramid.tiltIntervalPath);
+					drawCanvasPaths();
+				} else {
+					draw.pyramid.tiltStop();
+				}
+			}, 100);
+		addListenerEnd(window, draw.pyramid.tiltStop);
+	},
+	tiltStop: function () {
+		clearInterval(draw.pyramid.tiltInterval);
+		delete draw.pyramid.tiltIntervalObj;
+		delete draw.pyramid.tiltIntervalPath;
+		removeListenerEnd(window, draw.pyramid.tiltStop);
+	},
+	altDragMove: function (obj, dx, dy) {
+		obj.tilt = Math.min(1, Math.max(0, obj.tilt + dy * 0.005));
+		obj.startAngle -= 0.01 * dx;
+		while (obj.startAngle < 0)
+			obj.startAngle += 2 * Math.PI;
+		while (obj.startAngle > 2 * Math.PI)
+			obj.startAngle -= 2 * Math.PI;
+	},
+	scale: function (obj, sf, center) {
+		if (un(center))
+			var center = obj.center;
+		obj.center[0] = center[0] + sf * (obj.center[0] - center[0]);
+		obj.center[1] = center[1] + sf * (obj.center[1] - center[1]);
+		if (!un(obj.radiusX))
+			obj.radiusX *= sf;
+		if (!un(obj.radiusY))
+			obj.radiusY *= sf;
+		if (!un(obj.height))
+			obj.height *= sf;
+		if (!un(obj.thickness))
+			obj.thickness *= sf;
+		if (!un(obj.dash)) {
+			if (!un(obj.dash[0]))
+				obj.dash[0] *= sf;
+			if (!un(obj.dash[1]))
+				obj.dash[1] *= sf;
+		}
+	}
+};
+draw.octahedron = {
+	resizable: true,
+	add: function (n) {
+		if (un(n))
+			n = 4;
+		deselectAllPaths(false);
+		changeDrawMode();
+		draw.path.push({
+			obj: [{
+					type: 'octahedron',
+					center: getRelPos([300, 300]),
+					radiusX: 100,
+					radiusY: 100 / 3,
+					tilt: 0.35,
+					height: 200,
+					points: n,
+					color: draw.color,
+					thickness: 2,
+					startAngle: -Math.PI / 2
+				}
+			],
+			selected: true,
+			trigger: []
+		});
+		for (var p = 0; p < draw.path.length; p++)
+			updateBorder(draw.path[p]);
+		drawCanvasPaths();
+	},
+	draw: function (ctx, obj, path) {
+		obj._top = [obj.center[0], obj.center[1] - (1 - obj.tilt) * obj.height];
+		obj._bottom = [obj.center[0], obj.center[1] + (1 - obj.tilt) * obj.height];
+		obj._radiusY = obj.radiusX * obj.tilt;
+
+		obj._baseVertices = [];
+		for (var p = 0; p < obj.points; p++) {
+			var angle = obj.startAngle + p * (2 * Math.PI) / obj.points;
+			obj._baseVertices.push([obj.center[0] + obj.radiusX * Math.cos(angle), obj.center[1] + obj._radiusY * Math.sin(angle), angle]);
+		}
+
+		for (var p = 0; p < obj.points; p++)
+			obj._baseVertices[p][3] = isPointVisible(p);
+
+		if ((obj.points == 3 || obj.points == 4) && hitTestPolygon(obj._top, obj._baseVertices) == false) {
+			var negDiff = [];
+			var posDiff = [];
+			for (var p = 0; p < obj._baseVertices.length; p++) {
+				negDiff[p] = 7;
+				posDiff[p] = 7;
+				var angle = simplifyAngle(obj._baseVertices[p][2]);
+				if (angle < 0.5 * Math.PI) {
+					posDiff[p] = 0.5 * Math.PI + angle;
+				} else if (angle < 1.5 * Math.PI) {
+					negDiff[p] = 1.5 * Math.PI - angle;
+				} else {
+					posDiff[p] = angle - 1.5 * Math.PI;
+				}
+			}
+			var pos = posDiff.indexOf(arrayMin(posDiff));
+			var neg = negDiff.indexOf(arrayMin(negDiff));
+			if (typeof pos == 'number' && pos > -1 && typeof neg == 'number' && neg > -1) {
+				obj._baseVertices[pos][4] = true;
+				obj._baseVertices[neg][4] = true;
+			}
+		}
+
+		for (var i = 0; i < p; i++) {
+			var v1 = obj._baseVertices[i];
+			var v2 = obj._baseVertices[(i + 1) % p];
+			if (v1[3] == false || v2[3] == false || (v1[4] == true && v2[4] == true)) {
+				ctx.setLineDash([5, 5]);
+			} else {
+				ctx.strokeStyle = obj.color;
+			}
+			ctx.beginPath();
+			ctx.moveTo(v1[0], v1[1]);
+			ctx.lineTo(v2[0], v2[1]);
+			ctx.stroke();
+			ctx.setLineDash([]);
+		}
+
+		for (var i = 0; i < obj._baseVertices.length; i++) {
+			var angle = simplifyAngle(obj._baseVertices[i][2]);
+
+			ctx.lineWidth = obj.thickness;
+			if (obj._baseVertices[i][3] == false) {
+				ctx.setLineDash([5, 5]);
+			} else {
+				ctx.strokeStyle = obj.color;
+			}
+			ctx.beginPath();
+			ctx.moveTo(obj._bottom[0], obj._bottom[1]);
+			ctx.lineTo(obj._baseVertices[i][0], obj._baseVertices[i][1]);
+			ctx.lineTo(obj._top[0], obj._top[1]);
+			ctx.stroke();
+			ctx.setLineDash([]);
+		}
+		function isPointVisible(i) {
+			var arr = [];
+			for (var j = 1; j < obj._baseVertices.length; j++)
+				arr.push(obj._baseVertices[(i + j) % obj._baseVertices.length]);
+			for (var j = 0; j < arr.length - 1; j++) {
+				if (hitTestPolygon(obj._baseVertices[i], [arr[j], arr[j + 1], obj._top]) == true)
+					return false;
+			}
+			return true;
+		}
+		function simplifyAngle(angle) {
+			while (angle < 0)
+				angle += 2 * Math.PI;
+			while (angle > 2 * Math.PI)
+				angle -= 2 * Math.PI;
+			return angle;
+		}
+	},
+	getRect: function (obj) {
+		obj._top = [obj.center[0], obj.center[1] - (1 - obj.tilt) * obj.height];
+		obj._bottom = [obj.center[0], obj.center[1] + (1 - obj.tilt) * obj.height];
+		obj._radiusY = obj.radiusX * obj.tilt;
+		if (obj._top[1] < obj.center[1] - obj._radiusY) {
+			return [obj.center[0] - obj.radiusX, obj._top[1], obj.radiusX * 2, obj._bottom[1] + obj._radiusY - obj._top[1]];
+		} else {
+			return [obj.center[0] - obj.radiusX, obj.center[1] - obj._radiusY, obj.radiusX * 2, 2 * obj._radiusY];
+		}
+
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.center[0] += dl;
+		obj.center[1] += dt + dh;
+		obj.radiusX += dw;
+		var newTotalHeight = obj.height + obj.radiusY + dh;
+		obj.radiusY = obj.radiusX / 3;
+		obj.height = newTotalHeight - obj.radiusY;
+	},
+	getButtons: function (x1, y1, x2, y2, pathNum) {
+		var buttons = [];
+		buttons.push({
+			buttonType: 'octahedron-rotate',
+			shape: 'rect',
+			dims: [x2 - 40, y2 - 20, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.octahedron.rotateStart,
+			pathNum: pathNum,
+			draw: function (path, ctx, l, t, w, h) {
+				ctx.fillStyle = colorA('#F96', 0.5);
+				ctx.fillRect(l, t, w, h);
+			}
+		});
+		buttons.push({
+			buttonType: 'octahedron-vertices-minus',
+			shape: 'rect',
+			dims: [x2 - 20, y2 - 40, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.octahedron.verticesMinus,
+			pathNum: pathNum,
+			draw: function (path, ctx, l, t, w, h) {
+				ctx.fillStyle = colorA('#F00', 0.5);
+				ctx.fillRect(l, t, w, h);
+				text({
+					ctx: ctx,
+					align: [0, 0],
+					rect: [l, t, w, h],
+					text: ['<<fontSize:14>>-']
+				});
+			}
+		});
+		buttons.push({
+			buttonType: 'octahedron-vertices-plus',
+			shape: 'rect',
+			dims: [x2 - 20, y2 - 60, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.octahedron.verticesPlus,
+			pathNum: pathNum,
+			draw: function (path, ctx, l, t, w, h) {
+				ctx.fillStyle = colorA('#F00', 0.5);
+				ctx.fillRect(l, t, w, h);
+				text({
+					ctx: ctx,
+					align: [0, 0],
+					rect: [l, t, w, h],
+					text: ['<<fontSize:14>>+']
+				});
+			}
+		});
+		buttons.push({
+			buttonType: 'octahedron-tilt-minus',
+			shape: 'rect',
+			dims: [x2 - 80, y2 - 20, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.octahedron.tiltMinusStart,
+			pathNum: pathNum,
+			draw: function (path, ctx, l, t, w, h) {
+				ctx.fillStyle = colorA('#393', 0.5);
+				ctx.fillRect(l, t, w, h);
+			}
+		});
+		buttons.push({
+			buttonType: 'octahedron-tilt-plus',
+			shape: 'rect',
+			dims: [x2 - 60, y2 - 20, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.octahedron.tiltPlusStart,
+			pathNum: pathNum,
+			draw: function (path, ctx, l, t, w, h) {
+				ctx.fillStyle = colorA('#09F', 0.5);
+				ctx.fillRect(l, t, w, h);
+			}
+		});
+		return buttons;
+	},
+	rotateStart: function () {
+		draw.octahedron.rotateIntervalObj = draw.path[draw.currCursor.pathNum].obj[0];
+		draw.octahedron.rotateInterval = setInterval(function () {
+				draw.octahedron.rotateIntervalObj.startAngle += Math.PI / 30;
+				drawCanvasPaths();
+			}, 100);
+		addListenerEnd(window, draw.octahedron.rotateStop);
+	},
+	rotateStop: function () {
+		clearInterval(draw.octahedron.rotateInterval);
+		delete draw.octahedron.rotateIntervalObj;
+		removeListenerEnd(window, draw.octahedron.rotateStop);
+	},
+	verticesMinus: function () {
+		var obj = draw.path[draw.currCursor.pathNum].obj[0];
+		if (obj.points > 3)
+			obj.points--;
+		drawSelectedPaths();
+	},
+	verticesPlus: function () {
+		var obj = draw.path[draw.currCursor.pathNum].obj[0];
+		obj.points++;
+		drawSelectedPaths();
+	},
+	drawButton: function (ctx, size) {
+		ctx.beginPath();
+		draw.octahedron.draw(ctx, {
+			center: [0.5 * size, 0.7 * size],
+			radiusX: 0.3 * size,
+			radiusY: 0.1 * size,
+			height: 0.5 * size,
+			points: 4,
+			color: '#000',
+			thickness: 0.02 * size,
+			startAngle: -Math.PI / 8
+		});
+		ctx.stroke();
+	},
+	tiltPlusStart: function () {
+		draw.octahedron.tiltIntervalPath = draw.path[draw.currCursor.pathNum];
+		draw.octahedron.tiltIntervalObj = draw.path[draw.currCursor.pathNum].obj[0];
+		draw.octahedron.tiltInterval = setInterval(function () {
+				var obj = draw.octahedron.tiltIntervalObj;
+				if (un(obj.tilt))
+					obj.tilt = obj.radiusY / obj.radiusX;
+				if (obj.tilt < 1) {
+					obj.tilt = Math.min(obj.tilt + 0.05, 1);
+					updateBorder(draw.octahedron.tiltIntervalPath);
+					drawCanvasPaths();
+				} else {
+					draw.octahedron.tiltStop();
+				}
+				drawCanvasPaths();
+			}, 100);
+		addListenerEnd(window, draw.octahedron.tiltStop);
+	},
+	tiltMinusStart: function () {
+		draw.octahedron.tiltIntervalPath = draw.path[draw.currCursor.pathNum];
+		draw.octahedron.tiltIntervalObj = draw.path[draw.currCursor.pathNum].obj[0];
+		draw.octahedron.tiltInterval = setInterval(function () {
+				var obj = draw.octahedron.tiltIntervalObj;
+				if (un(obj.tilt))
+					obj.tilt = obj.radiusY / obj.radiusX;
+				if (obj.tilt > 0) {
+					obj.tilt = Math.max(obj.tilt - 0.05, 0);
+					updateBorder(draw.octahedron.tiltIntervalPath);
+					drawCanvasPaths();
+				} else {
+					draw.octahedron.tiltStop();
+				}
+			}, 100);
+		addListenerEnd(window, draw.octahedron.tiltStop);
+	},
+	tiltStop: function () {
+		clearInterval(draw.octahedron.tiltInterval);
+		delete draw.octahedron.tiltIntervalObj;
+		delete draw.octahedron.tiltIntervalPath;
+		removeListenerEnd(window, draw.octahedron.tiltStop);
+	},
+	altDragMove: function (obj, dx, dy) {
+		obj.tilt = Math.min(1, Math.max(0, obj.tilt + dy * 0.005));
+		obj.startAngle -= 0.01 * dx;
+		while (obj.startAngle < 0)
+			obj.startAngle += 2 * Math.PI;
+		while (obj.startAngle > 2 * Math.PI)
+			obj.startAngle -= 2 * Math.PI;
+	},
+	scale: function (obj, sf, center) {
+		if (un(center))
+			var center = obj.center;
+		obj.center[0] = center[0] + sf * (obj.center[0] - center[0]);
+		obj.center[1] = center[1] + sf * (obj.center[1] - center[1]);
+		if (!un(obj.radiusX))
+			obj.radiusX *= sf;
+		if (!un(obj.radiusY))
+			obj.radiusY *= sf;
+		if (!un(obj.height))
+			obj.height *= sf;
+		if (!un(obj.thickness))
+			obj.thickness *= sf;
+		if (!un(obj.dash)) {
+			if (!un(obj.dash[0]))
+				obj.dash[0] *= sf;
+			if (!un(obj.dash[1]))
+				obj.dash[1] *= sf;
+		}
+	}
+};
+draw.polygon = {
+	add: function (polygonType, vertices) {
+		if (un(vertices))
+			vertices = 4;
+		if (un(polygonType))
+			polygonType = 'none';
+		if (polygonType == 'arrow')
+			vertices = 9;
+		if (polygonType == 'arrow2')
+			vertices = 12;
+
+		deselectAllPaths(false);
+		var pos = [];
+		var center = getRelPos([150, 150]);
+		var radius = 80;
+
+		if (vertices == 4) {
+			var pos = [
+				[center[0] - 80, center[1] - 70],
+				[center[0] + 20, center[1] - 70],
+				[center[0] + 100, center[1] + 40],
+				[center[0] - 40, center[1] + 50]
+			];
+		} else if (vertices == 3) {
+			var pos = [
+				[center[0] + 70, center[1] + 70],
+				[center[0] - 70, center[1] + 70],
+				[center[0] - 30, center[1] - 70]
+			];
+		} else if (polygonType == 'arrow') {
+			var l = center[0];
+			var t = center[1];
+			pos = [[l, t], [l + 80, t], [l + 80, t - 20], [l + 120, t + 30], [l + 80, t + 80], [l + 80, t + 60], [l, t + 60]];
+		} else if (polygonType == 'arrow2') {
+			var l = center[0];
+			var t = center[1];
+			pos = [[l - 40, t + 30], [l, t - 20], [l, t], [l + 80, t], [l + 80, t - 20], [l + 120, t + 30], [l + 80, t + 80], [l + 80, t + 60], [l, t + 60], [l, t + 80]];
+		} else {
+			var angle = 0.5 * Math.PI + Math.PI / vertices;
+			for (var p = 0; p < vertices; p++) {
+				pos[p] = [center[0] + radius * Math.cos(angle), center[1] + radius * Math.sin(angle)];
+				angle += (2 * Math.PI) / vertices;
+			}
+		}
+		switch (polygonType) {
+		case 'square':
+			var vector1 = getVectorAB(pos[0], pos[1]);
+			var vector2 = getPerpVector(vector1);
+			pos[2] = pointAddVector(pos[1], vector2);
+			pos[3] = pointAddVector(pos[2], vector1, -1);
+			break;
+		case 'rect':
+			var vector1 = getVectorAB(pos[0], pos[1]);
+			var vector2 = getPerpVector(vector1);
+			vector2 = setVectorMag(vector2, getDist(pos[1], pos[2]));
+			pos[2] = pointAddVector(pos[1], vector2, 1);
+			pos[3] = pointAddVector(pos[0], vector2, 1);
+			break;
+		case 'para':
+			var vector1 = getVectorAB(pos[0], pos[1]);
+			pos[3] = pointAddVector(pos[2], vector1, -1);
+			break;
+		case 'trap':
+			var vector1 = getVectorAB(pos[0], pos[1]);
+			vector1 = setVectorMag(vector1, getDist(pos[2], pos[3]));
+			pos[3] = pointAddVector(pos[2], vector1, -1);
+			break;
+		case 'rhom':
+			var vector1 = getVectorAB(pos[0], pos[1]);
+			var vector2 = getVectorAB(pos[1], pos[2]);
+			vector2 = setVectorMag(vector2, getDist(pos[0], pos[1]));
+			pos[2] = pointAddVector(pos[1], vector2);
+			pos[3] = pointAddVector(pos[2], vector1, -1);
+			break;
+		case 'kite':
+			var vector1 = getVectorAB(pos[0], pos[2]);
+			var mid = getFootOfPerp(pos[0], vector1, pos[1]);
+			var vector2 = getVectorAB(mid, pos[1]);
+			pos[3] = pointAddVector(mid, vector2, -1);
+			break;
+		case 'equi':
+			var vector1 = getVectorAB(pos[0], pos[1]);
+			var vector2 = rotateVector(vector1, 2 * Math.PI / 3);
+			pos[2] = pointAddVector(pos[1], vector2, 1);
+			break;
+		case 'isos':
+			var vector1 = getVectorAB(pos[0], pos[1]);
+			var vector2 = getPerpVector(vector1);
+			var mid = getMidpoint(pos[0], pos[1]);
+			pos[2] = pointAddVector(mid, vector2, 1.17);
+			break;
+		case 'right':
+			var vector1 = getVectorAB(pos[0], pos[1]);
+			var vector2 = getPerpVector(vector1);
+			pos[2] = pointAddVector(pos[1], vector2, 0.8);
+			break;
+		case 'rightisos':
+			var vector1 = getVectorAB(pos[0], pos[1]);
+			var vector2 = getPerpVector(vector1);
+			pos[2] = pointAddVector(pos[1], vector2, 1);
+			break;
+		}
+
+		var angles = [];
+		for (var p = 0; p < vertices; p++) {
+			angles[p] = {
+				style: 0,
+				radius: 30,
+				labelMeasure: true,
+				labelFontSize: 25,
+				labelRadius: 33,
+				drawCurve: false,
+				measureLabelOnly: true
+			};
+		}
+
+		draw.path.push({
+			obj: [{
+					type: 'polygon',
+					polygonType: polygonType,
+					color: '#000',
+					thickness: 2,
+					fillColor: 'none',
+					points: pos,
+					closed: true,
+					lineDecoration: [],
+					angles: angles,
+					clockwise: false,
+					edit: false,
+					drawing: false
+				}
+			],
+			selected: true
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+	},
+	draw: function (ctx, obj, path) {
+		ctx.strokeStyle = obj.color;
+		ctx.lineWidth = obj.thickness;
+		if (typeof ctx.setLineDash !== 'function') ctx.setLineDash = function () {};
+		if (typeof obj.dash !== 'undefined') ctx.setLineDash(obj.dash);
+		if (obj.points.length > 1) {
+			var obj2 = clone(obj);
+			for (var p = 0; p < obj2.points.length; p++) {
+				obj2.points[p][0] = obj2.points[p][0];
+				obj2.points[p][1] = obj2.points[p][1];
+			}
+			if (typeof obj2.angles !== 'undefined') {
+				for (var a = 0; a < obj2.angles.length; a++) {
+					if (typeof obj2.angles[a] == 'object' && obj2.angles[a] !== null && !un(obj2.angles[a])) {
+						if (typeof obj2.angles[a].lineWidth !== 'undefined') {
+							obj2.angles[a].lineWidth = obj2.angles[a].lineWidth;
+						}
+						if (typeof obj2.angles[a].labelRadius !== 'undefined') {
+							obj2.angles[a].labelRadius = obj2.angles[a].labelRadius;
+						}
+						if (typeof obj2.angles[a].labelFontSize !== 'undefined') {
+							obj2.angles[a].labelFontSize = obj2.angles[a].labelFontSize;
+						}
+						if (typeof obj2.angles[a].radius !== 'undefined') {
+							obj2.angles[a].radius = obj2.angles[a].radius;
+						}
+					}
+				}
+			}
+			obj2.thickness = obj2.thickness;
+			obj2.ctx = ctx;
+			obj2.calcTextSnapPos = path.selected;
+			var pos = drawPolygon(obj2);
+			obj._angleLabelPos = pos.angleLabelPos;
+			obj._outerAngleLabelPos = pos.outerAngleLabelPos;
+			obj._prismPoints = pos.prismPoints;
+			/*obj._textSnapPos = pos.textSnapPos;
+			if (path.selected) {
+				for (var i = 0; i < obj._textSnapPos.length; i++) {
+					var pos = obj._textSnapPos[i];
+					ctx.beginPath();
+					ctx.strokeStyle = '#F0F';
+					ctx.lineWidth = 2;
+					var x = pos.pos[0];
+					var y = pos.pos[1];
+					if (arraysEqual(pos.align, [-1, 0])) {
+						ctx.moveTo(x, y - 10);
+						ctx.lineTo(x, y + 10);
+					} else if (arraysEqual(pos.align, [-1, -1])) {
+						ctx.moveTo(x, y + 10);
+						ctx.lineTo(x, y);
+						ctx.lineTo(x + 10, y);
+					} else if (arraysEqual(pos.align, [0, -1])) {
+						ctx.moveTo(x - 10, y);
+						ctx.lineTo(x + 10, y);
+					} else if (arraysEqual(pos.align, [1, -1])) {
+						ctx.moveTo(x, y + 10);
+						ctx.lineTo(x, y);
+						ctx.lineTo(x - 10, y);
+					} else if (arraysEqual(pos.align, [1, 0])) {
+						ctx.moveTo(x, y - 10);
+						ctx.lineTo(x, y + 10);
+					} else if (arraysEqual(pos.align, [1, 1])) {
+						ctx.moveTo(x, y - 10);
+						ctx.lineTo(x, y);
+						ctx.lineTo(x - 10, y);
+					} else if (arraysEqual(pos.align, [0, 1])) {
+						ctx.moveTo(x - 10, y);
+						ctx.lineTo(x + 10, y);
+					} else if (arraysEqual(pos.align, [-1, 1])) {
+						ctx.moveTo(x, y - 10);
+						ctx.lineTo(x, y);
+						ctx.lineTo(x + 10, y);
+					}
+					ctx.stroke();
+				}
+			}*/
+		}
+		ctx.setLineDash([]);
+
+		if (draw.mode === 'edit' && path.obj.length == 1) {
+			ctx.save();
+			ctx.lineWidth = 1;
+			ctx.strokeStyle = '#000';
+			ctx.fillStyle = '#F00';
+
+			if (un(obj._outerAngleLabelPos)) obj._outerAngleLabelPos = [];
+			if (un(obj._exteriorAngleLabelPos)) obj._exteriorAngleLabelPos = [];
+			for (var k = 0; k < obj.points.length; k++) {
+				if ((path.selected == true || (obj.drawing == true && k > 0 && k < obj.points.length - 1)) && (!un(obj.angles) && !un(obj.angles[k]) && (obj.angles[k].measureLabelOnly == true || obj.angles[k].drawCurve == false))) {
+					var angleObj = {
+						ctx: ctx,
+						drawLines: false,
+						radius: 30,
+						lineColor: colorA(obj.color, 0.3),
+						labelMeasure: true,
+						labelFontSize: 25,
+						labelRadius: 33,
+						labelColor: colorA(obj.color, 0.3),
+						lineWidth: 2
+					};
+					if (!un(obj.angles[k]))
+						angleObj.measureLabelOnly = !obj.angles[k].measureLabelOnly;
+					if (!un(obj.angles[k]))
+						angleObj.drawCurve = !obj.angles[k].drawCurve;
+					angleObj.b = obj.points[k];
+					if (obj.clockwise == false) {
+						angleObj.a = obj.points[(k + 1) % (obj.points.length)];
+						if (k == 0) {
+							angleObj.c = obj.points[obj.points.length - 1];
+						} else {
+							angleObj.c = obj.points[k - 1];
+						}
+					} else {
+						angleObj.c = obj.points[(k + 1) % (obj.points.length)];
+						if (k == 0) {
+							angleObj.a = obj.points[obj.points.length - 1];
+						} else {
+							angleObj.a = obj.points[k - 1];
+						}
+					}
+					if (obj.closed == true || (k !== 0 && k !== obj.points.length - 1))
+						drawAngle(angleObj);
+				}
+				if (path.selected == true && obj.anglesMode == 'outer' && (typeof obj.outerAngles[k] !== 'object' || obj.outerAngles[k].measureLabelOnly == true || obj.outerAngles[k].drawCurve == false)) {
+					var angleObj = {
+						ctx: ctx,
+						drawLines: false,
+						radius: 30,
+						lineColor: colorA(obj.color, 0.3),
+						labelMeasure: true,
+						labelFontSize: 25,
+						labelRadius: 33,
+						labelColor: colorA(obj.color, 0.3),
+						lineWidth: 2
+					};
+					angleObj.b = obj.points[k];
+					if (obj.clockwise == true) {
+						angleObj.a = obj.points[(k + 1) % (obj.points.length)];
+						if (k == 0) {
+							angleObj.c = obj.points[obj.points.length - 1];
+						} else {
+							angleObj.c = obj.points[k - 1];
+						}
+					} else {
+						angleObj.c = obj.points[(k + 1) % (obj.points.length)];
+						if (k == 0) {
+							angleObj.a = obj.points[obj.points.length - 1];
+						} else {
+							angleObj.a = obj.points[k - 1];
+						}
+					}
+					obj._outerAngleLabelPos[k] = drawAngle(angleObj);
+				}
+				if (path.selected == true && obj.anglesMode == 'exterior') {
+					if (un(obj._exteriorAngleLabelPos[k]))
+						obj._exteriorAngleLabelPos[k] = [];
+					ctx.save();
+					ctx.strokeStyle = colorA(obj.color, 0.3);
+					if (obj.exteriorAngles[k].line1.show == false) {
+						ctx.beginPath();
+						ctx.moveTo(obj.points[k][0], obj.points[k][1]);
+						ctx.lineTo(obj.exteriorAngles[k].line1.pos[0], obj.exteriorAngles[k].line1.pos[1]);
+						ctx.stroke();
+					}
+					if (obj.exteriorAngles[k].line2.show == false) {
+						ctx.beginPath();
+						ctx.moveTo(obj.points[k][0], obj.points[k][1]);
+						ctx.lineTo(obj.exteriorAngles[k].line2.pos[0], obj.exteriorAngles[k].line2.pos[1]);
+						ctx.stroke();
+					}
+					ctx.restore();
+					var angleObj = {
+						ctx: ctx,
+						drawLines: false,
+						radius: 30,
+						lineColor: colorA(obj.color, 0.3),
+						labelMeasure: true,
+						labelFontSize: 25,
+						labelRadius: 33,
+						labelColor: colorA(obj.color, 0.3),
+						lineWidth: 2
+					};
+					angleObj.b = obj.points[k];
+					var prev = k - 1;
+					if (prev < 0)
+						prev = obj.points.length - 1;
+					var next = k + 1;
+					if (next > obj.points.length - 1)
+						next = 0;
+					if (un(obj.exteriorAngles[k].a3) || (obj.exteriorAngles[k].a3.measureLabelOnly == true || obj.exteriorAngles[k].a3.drawCurve == false)) {
+						angleObj.a = obj.points[prev];
+						angleObj.c = obj.exteriorAngles[k].line1.pos;
+						obj._exteriorAngleLabelPos[k][0] = drawAngle(angleObj);
+					}
+					if (un(obj.exteriorAngles[k].a2) || (obj.exteriorAngles[k].a2.measureLabelOnly == true || obj.exteriorAngles[k].a2.drawCurve == false)) {
+						angleObj.a = obj.exteriorAngles[k].line1.pos;
+						angleObj.c = obj.exteriorAngles[k].line2.pos;
+						obj._exteriorAngleLabelPos[k][1] = drawAngle(angleObj);
+					}
+					if (un(obj.exteriorAngles[k].a1) || (obj.exteriorAngles[k].a1.measureLabelOnly == true || obj.exteriorAngles[k].a1.drawCurve == false)) {
+						angleObj.a = obj.exteriorAngles[k].line2.pos;
+						angleObj.c = obj.points[next];
+						obj._exteriorAngleLabelPos[k][2] = drawAngle(angleObj);
+					}
+					ctx.save();
+					ctx.fillStyle = '#9FF';
+					ctx.beginPath();
+					ctx.arc(obj.exteriorAngles[k].line1.pos[0], obj.exteriorAngles[k].line1.pos[1], 7, 0, 2 * Math.PI);
+					ctx.fill();
+					ctx.stroke();
+					ctx.beginPath();
+					ctx.arc(obj.exteriorAngles[k].line2.pos[0], obj.exteriorAngles[k].line2.pos[1], 7, 0, 2 * Math.PI);
+					ctx.fill();
+					ctx.stroke();
+					ctx.restore();
+				}
+
+				if (path.selected == true) {
+					ctx.fillStyle = '#F00';
+					if (obj.points.length == 4 && !un(obj.polygonType)) {
+						switch (k) {
+						case 1:
+							if (['rhom', 'kite'].indexOf(obj.polygonType) > -1) {
+								ctx.fillStyle = '#66F';
+							}
+							break;
+						case 2:
+							if (['rect', 'para'].indexOf(obj.polygonType) > -1) {
+								ctx.fillStyle = '#66F';
+							} else if (['trap'].indexOf(obj.polygonType) > -1) {
+								ctx.fillStyle = '#6F6';
+							}
+							break;
+						case 3:
+							if (['rect', 'para', 'rhom', 'kite'].indexOf(obj.polygonType) > -1) {
+								continue;
+							} else if (['trap'].indexOf(obj.polygonType) > -1) {
+								ctx.fillStyle = '#6F6';
+							}
+							break;
+						}
+					}
+					ctx.beginPath();
+					ctx.arc(obj.points[k][0], obj.points[k][1], 7, 0, 2 * Math.PI);
+					ctx.fill();
+					ctx.stroke();
+				}
+			}
+			if (path.selected && obj.solidType == 'prism') {
+				var prismVector = obj.prismVector || [40, -40];
+				var prismPoint = pointAddVector(obj.points[0], prismVector);
+				ctx.fillStyle = '#F0F';
+				ctx.beginPath();
+				ctx.arc(prismPoint[0], prismPoint[1], 7, 0, 2 * Math.PI);
+				ctx.fill();
+				ctx.stroke();
+			}
+			ctx.restore();
+		}
+		delete obj.angleLabelPos;
+		delete obj.left;
+		delete obj.top;
+		delete obj.right;
+		delete obj.bottom;
+		delete obj.width;
+		delete obj.height;
+	},
+	getRect: function (obj) {
+		obj._left = obj.points[0][0] - 10;
+		obj._top = obj.points[0][1] - 10;
+		obj._right = obj.points[0][0] + 10;
+		obj._bottom = obj.points[0][1] + 10;
+		for (var j = 1; j < obj.points.length; j++) {
+			obj._left = Math.min(obj._left, obj.points[j][0] - 10);
+			obj._top = Math.min(obj._top, obj.points[j][1] - 10);
+			obj._right = Math.max(obj._right, obj.points[j][0] + 10);
+			obj._bottom = Math.max(obj._bottom, obj.points[j][1] + 10);
+		}
+		if (obj.solidType == 'prism') {
+			var prismVector = obj.prismVector || [40, -40];
+			for (var p = 0; p < obj.points.length; p++) {
+				var prismPoint = pointAddVector(obj.points[p], prismVector);
+				obj._left = Math.min(obj._left, prismPoint[0] - 10);
+				obj._top = Math.min(obj._top, prismPoint[1] - 10);
+				obj._right = Math.max(obj._right, prismPoint[0] + 10);
+				obj._bottom = Math.max(obj._bottom, prismPoint[1] + 10);
+			}
+		}
+		if (obj.anglesMode == 'exterior') {
+			for (var p = 0; p < obj.points.length; p++) {
+				if (!un(obj.exteriorAngles[p])) {
+					if (!un(obj.exteriorAngles[p].line1)) {
+						ePoint = obj.exteriorAngles[p].line1.pos;
+						obj._left = Math.min(obj._left, ePoint[0] - 10);
+						obj._top = Math.min(obj._top, ePoint[1] - 10);
+						obj._right = Math.max(obj._right, ePoint[0] + 10);
+						obj._bottom = Math.max(obj._bottom, ePoint[1] + 10);
+					}
+					if (!un(obj.exteriorAngles[p].line2)) {
+						ePoint = obj.exteriorAngles[p].line2.pos;
+						obj._left = Math.min(obj._left, ePoint[0] - 10);
+						obj._top = Math.min(obj._top, ePoint[1] - 10);
+						obj._right = Math.max(obj._right, ePoint[0] + 10);
+						obj._bottom = Math.max(obj._bottom, ePoint[1] + 10);
+					}
+				}
+			}
+		}
+		if (obj.anglesMode == 'outer') {
+			for (var j = 0; j < obj.points.length; j++) {
+				obj._left = Math.min(obj._left, obj.points[j][0] - 70);
+				obj._top = Math.min(obj._top, obj.points[j][1] - 70);
+				obj._right = Math.max(obj._right, obj.points[j][0] + 70);
+				obj._bottom = Math.max(obj._bottom, obj.points[j][1] + 70);
+			}
+		}
+
+		obj._width = obj._right - obj._left;
+		obj._height = obj._bottom - obj._top;
+		return [obj._left, obj._top, obj._width, obj._height];
+	},
+	getCursorPositionsSelected: function (obj, pathNum) {
+		var pos = [];
+		for (var k = 0; k < obj.points.length; k++) {
+			if (obj.closed == false && k == obj.points.length - 1)
+				continue;
+			var p1 = obj.points[k];
+			var p2 = obj.points[(k + 1) % (obj.points.length)];
+			var mid = [(p1[0] + p2[0]) / 2, (p1[1] + p2[1]) / 2];
+			pos.push({
+				shape: 'circle',
+				dims: [mid[0], mid[1], 30],
+				cursor: draw.cursors.pointer,
+				func: draw.polygon.setLineDecoration,
+				pathNum: pathNum,
+				point: k
+			});
+		}
+		for (var k = 0; k < obj.points.length; k++) {
+			if (!un(obj._angleLabelPos) && !un(obj._angleLabelPos[k])) {
+				pos.push({
+					shape: 'rect',
+					dims: obj._angleLabelPos[k],
+					cursor: draw.cursors.pointer,
+					func: draw.polygon.toggleAngleLabel,
+					pathNum: pathNum,
+					point: k
+				});
+			}
+			if (obj.clockwise == true) {
+				var next = k - 1;
+				var prev = k + 1;
+				if (k == 0)
+					next = obj.points.length - 1;
+				if (k == obj.points.length - 1)
+					prev = 0;
+			} else {
+				var prev = k - 1;
+				var next = k + 1;
+				if (k == 0)
+					prev = obj.points.length - 1;
+				if (k == obj.points.length - 1)
+					next = 0;
+			}
+			pos.push({
+				shape: 'sector',
+				dims: [obj.points[k][0], obj.points[k][1], 32, getAngleTwoPoints(obj.points[k], obj.points[next]), getAngleTwoPoints(obj.points[k], obj.points[prev])],
+				cursor: draw.cursors.pointer,
+				func: draw.polygon.toggleAngle,
+				pathNum: pathNum,
+				point: k
+			});
+
+			if (obj.anglesMode == 'outer' && !un(obj.outerAngles)) {
+				pos.push({
+					shape: 'sector',
+					dims: [obj.points[k][0], obj.points[k][1], 32, getAngleTwoPoints(obj.points[k], obj.points[prev]), getAngleTwoPoints(obj.points[k], obj.points[next])],
+					cursor: draw.cursors.pointer,
+					func: draw.polygon.toggleOuterAngle,
+					pathNum: pathNum,
+					point: k
+				});
+				if (!un(obj._outerAngleLabelPos) && !un(obj._outerAngleLabelPos[k])) {
+					pos.push({
+						shape: 'rect',
+						dims: obj._outerAngleLabelPos[k],
+						cursor: draw.cursors.pointer,
+						func: draw.polygon.toggleOuterAngleLabel,
+						pathNum: pathNum,
+						point: k
+					});
+				}
+
+			} else if (obj.anglesMode == 'exterior' && !un(obj.exteriorAngles)) {
+				var pos11 = obj.exteriorAngles[k].line1.pos;
+				var pos22 = obj.exteriorAngles[k].line2.pos;
+				pos.push({
+					shape: 'circle',
+					dims: [pos11[0], pos11[1], 10],
+					cursor: draw.cursors.pointer,
+					func: draw.polygon.startExtAnglePointDrag,
+					pathNum: pathNum,
+					point: k,
+					line: 1
+				});
+				pos.push({
+					shape: 'circle',
+					dims: [pos22[0], pos22[1], 10],
+					cursor: draw.cursors.pointer,
+					func: draw.polygon.startExtAnglePointDrag,
+					pathNum: pathNum,
+					point: k,
+					line: 2
+				});
+
+				pos.push({
+					shape: 'sector',
+					dims: [obj.points[k][0], obj.points[k][1], 32, getAngleTwoPoints(obj.points[k], obj.points[prev]), getAngleTwoPoints(obj.points[k], pos11)],
+					cursor: draw.cursors.pointer,
+					func: draw.polygon.toggleExteriorAngle,
+					pathNum: pathNum,
+					point: k,
+					sub: 3
+				});
+				pos.push({
+					shape: 'sector',
+					dims: [obj.points[k][0], obj.points[k][1], 32, getAngleTwoPoints(obj.points[k], pos11), getAngleTwoPoints(obj.points[k], pos22)],
+					cursor: draw.cursors.pointer,
+					func: draw.polygon.toggleExteriorAngle,
+					pathNum: pathNum,
+					point: k,
+					sub: 2
+				});
+				pos.push({
+					shape: 'sector',
+					dims: [obj.points[k][0], obj.points[k][1], 32, getAngleTwoPoints(obj.points[k], pos22), getAngleTwoPoints(obj.points[k], obj.points[next])],
+					cursor: draw.cursors.pointer,
+					func: draw.polygon.toggleExteriorAngle,
+					pathNum: pathNum,
+					point: k,
+					sub: 1
+				});
+
+				if (!un(obj._exteriorAngleLabelPos) && !un(obj._exteriorAngleLabelPos[k])) {
+					if (!un(obj._exteriorAngleLabelPos[k][0])) {
+						pos.push({
+							shape: 'rect',
+							dims: obj._exteriorAngleLabelPos[k][0],
+							cursor: draw.cursors.pointer,
+							func: draw.polygon.toggleExteriorAngleLabel,
+							pathNum: pathNum,
+							point: k,
+							sub: 3
+						});
+					}
+					if (!un(obj._exteriorAngleLabelPos[k][1])) {
+						pos.push({
+							shape: 'rect',
+							dims: obj._exteriorAngleLabelPos[k][1],
+							cursor: draw.cursors.pointer,
+							func: draw.polygon.toggleExteriorAngleLabel,
+							pathNum: pathNum,
+							point: k,
+							sub: 2
+						});
+					}
+					if (!un(obj._exteriorAngleLabelPos[k][2])) {
+						pos.push({
+							shape: 'rect',
+							dims: obj._exteriorAngleLabelPos[k][2],
+							cursor: draw.cursors.pointer,
+							func: draw.polygon.toggleExteriorAngleLabel,
+							pathNum: pathNum,
+							point: k,
+							sub: 1
+						});
+					}
+				}
+			}
+		}
+		if (obj.solidType == 'prism') {
+			var prismVector = obj.prismVector || [40, -40];
+			var point = pointAddVector(obj.points[0], prismVector);
+			pos.push({
+				shape: 'circle',
+				dims: [point[0], point[1], 10],
+				cursor: draw.cursors.pointer,
+				func: draw.polygon.startPrismPointDrag,
+				pathNum: pathNum
+			});
+		}
+		for (var k = 0; k < obj.points.length; k++) {
+			if (obj.points.length == 4 && k == 4 && ['rect', 'para', 'rhom', 'kite'].indexOf(obj.polygonType) > -1)
+				continue;
+			pos.push({
+				shape: 'circle',
+				dims: [obj.points[k][0], obj.points[k][1], 10],
+				cursor: draw.cursors.pointer,
+				func: draw.polygon.startPosDrag,
+				pathNum: pathNum,
+				point: k
+			});
+		}
+		obj._cursorPositions = pos;
+		return pos;
+	},
+	getButtons: function (x1, y1, x2, y2, pathNum) {
+		if (typeof pathNum == 'undefined')
+			return;
+		if (un(draw.path[pathNum]))
+			return;
+		var obj = draw.path[pathNum].obj[0];
+		var buttons = [];
+		buttons.push({
+			buttonType: 'polygon-makeRegular',
+			shape: 'rect',
+			dims: [x2 - 20, y2 - 40, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.polygon.makeRegular,
+			pathNum: pathNum
+		});
+		buttons.push({
+			buttonType: 'polygon-verticesPlus',
+			shape: 'rect',
+			dims: [x2 - 20, y2 - 80, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.polygon.verticesPlus,
+			pathNum: pathNum
+		});
+		buttons.push({
+			buttonType: 'polygon-verticesMinus',
+			shape: 'rect',
+			dims: [x2 - 20, y2 - 60, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.polygon.verticesMinus,
+			pathNum: pathNum
+		});
+		buttons.push({
+			buttonType: 'polygon-setPrism',
+			shape: 'rect',
+			dims: [x2 - 20, y2 - 100, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.polygon.setPrism,
+			pathNum: pathNum
+		});
+		buttons.push({
+			buttonType: 'polygon-setOuterAngles',
+			shape: 'rect',
+			dims: [x2 - 20, y2 - 120, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.polygon.setOuterAngles,
+			pathNum: pathNum
+		});
+		buttons.push({
+			buttonType: 'polygon-setExteriorAngles',
+			shape: 'rect',
+			dims: [x2 - 20, y2 - 140, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.polygon.setExteriorAngles,
+			pathNum: pathNum
+		});
+		if (obj.points.length == 4) {
+			buttons.push({
+				buttonType: 'polygon-setTypeKite',
+				shape: 'rect',
+				dims: [x2 - 40, y2 - 20, 20, 20],
+				cursor: draw.cursors.pointer,
+				func: draw.polygon.setType,
+				pathNum: pathNum,
+				type: 'kite'
+			});
+			buttons.push({
+				buttonType: 'polygon-setTypeRhom',
+				shape: 'rect',
+				dims: [x2 - 60, y2 - 20, 20, 20],
+				cursor: draw.cursors.pointer,
+				func: draw.polygon.setType,
+				pathNum: pathNum,
+				type: 'rhom'
+			});
+			buttons.push({
+				buttonType: 'polygon-setTypeTrap',
+				shape: 'rect',
+				dims: [x2 - 80, y2 - 20, 20, 20],
+				cursor: draw.cursors.pointer,
+				func: draw.polygon.setType,
+				pathNum: pathNum,
+				type: 'trap'
+			});
+			buttons.push({
+				buttonType: 'polygon-setTypePara',
+				shape: 'rect',
+				dims: [x2 - 100, y2 - 20, 20, 20],
+				cursor: draw.cursors.pointer,
+				func: draw.polygon.setType,
+				pathNum: pathNum,
+				type: 'para'
+			});
+			buttons.push({
+				buttonType: 'polygon-setTypeRect',
+				shape: 'rect',
+				dims: [x2 - 120, y2 - 20, 20, 20],
+				cursor: draw.cursors.pointer,
+				func: draw.polygon.setType,
+				pathNum: pathNum,
+				type: 'rect'
+			});
+			buttons.push({
+				buttonType: 'polygon-setTypeSquare',
+				shape: 'rect',
+				dims: [x2 - 140, y2 - 20, 20, 20],
+				cursor: draw.cursors.pointer,
+				func: draw.polygon.setType,
+				pathNum: pathNum,
+				type: 'square'
+			});
+		}
+		if (un(obj.polygonType) || ['square', 'rect', 'para', 'trap', 'rhom', 'kite', 'equi', 'isos', 'right', 'rightisos'].indexOf(obj.polygonType) == -1) {
+			// resize handle in bottom right corner
+			buttons.push({
+				buttonType: 'resize',
+				shape: 'rect',
+				dims: [x2 - 20, y2 - 20, 20, 20],
+				cursor: draw.cursors.nw,
+				func: drawClickStartResizeObject,
+				pathNum: pathNum
+			});
+		}
+		return buttons;
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		for (var k = 0; k < obj.points.length; k++) {
+			obj.points[k][0] += dl;
+			obj.points[k][1] += dt;
+		}
+		if (dw !== 0 || dh !== 0) {
+			var x = mouse.x - draw.drawRelPos[0];
+			var y = mouse.y - draw.drawRelPos[1];
+			if (shiftOn == true) {
+				var sf = Math.min((x - obj._left) / obj._width, (y - obj._top) / obj._height);
+				var xsf = sf;
+				var ysf = sf;
+			} else {
+				var xsf = (x - obj._left) / obj._width;
+				var ysf = (y - obj._top) / obj._height;
+			}
+			for (var k = 0; k < obj.points.length; k++) {
+				obj.points[k][0] = obj._left + obj._width * xsf * ((obj.points[k][0] - obj._left) / obj._width);
+				obj.points[k][1] = obj._top + obj._height * ysf * ((obj.points[k][1] - obj._top) / obj._height);
+			}
+		}
+		if (!un(obj.exteriorAngles)) {
+			for (var v = 0; v < obj.exteriorAngles.length; v++) {
+				var prev = v - 1;
+				if (prev == -1)
+					prev = obj.points.length - 1;
+				var next = v + 1;
+				if (next == obj.points.length)
+					next = 0;
+				var vector1 = getVectorAB(obj.points[prev], obj.points[v]);
+				var pos1 = pointAddVector(obj.points[v], getUnitVector(vector1), obj.exteriorAngles[v].line2.dist);
+				var vector2 = getVectorAB(obj.points[next], obj.points[v]);
+				var pos2 = pointAddVector(obj.points[v], getUnitVector(vector2), obj.exteriorAngles[v].line1.dist);
+				obj.exteriorAngles[v].line1.vector = vector2;
+				obj.exteriorAngles[v].line1.pos = pos2;
+				obj.exteriorAngles[v].line2.vector = vector1;
+				obj.exteriorAngles[v].line2.pos = pos1;
+			}
+		}
+	},
+	startPosDrag: function () {
+		changeDrawMode('polygonPointDrag');
+		draw.currPathNum = draw.currCursor.pathNum;
+		draw.currPoint = draw.currCursor.point;
+		updateSnapPoints(); // update intersection points
+		draw.animate(draw.polygon.posMove,draw.polygon.posStop,drawCanvasPaths);
+		//addListenerMove(window, draw.polygon.posMove);
+		//addListenerEnd(window, draw.polygon.posStop);
+	},
+	posMove: function (e) {
+		updateMouse(e);
+		var x = draw.mouse[0];
+		var y = draw.mouse[1];
+		var pathNum = draw.currPathNum;
+		var p = draw.currPoint;
+		var obj = draw.path[pathNum].obj[0];
+		var points = obj.points;
+
+		if (snapToObj2On || draw.snapLinesTogether) {
+			var pos = snapToObj2([x, y], pathNum);
+		} else if (shiftOn && obj.polygonType !== 'square') { // snap horiz / vert to adjacent vertices
+			var pos = null;
+			if (!un(obj.polygonType) && obj.points.length == 4 && (obj.polygonType == 'rhom' || obj.polygonType == 'kite')) {
+				// special cases - snap v/h to opposite point
+				if (p == 0) {
+					if (Math.abs(x - points[2][0]) < draw.snapTolerance) {
+						pos = [points[2][0], y];
+					} else if (Math.abs(y - points[2][1]) < draw.snapTolerance) {
+						pos = [x, points[2][1]];
+					}
+				} else if (p == 2) {
+					if (Math.abs(x - points[0][0]) < draw.snapTolerance) {
+						pos = [points[0][0], y];
+					} else if (Math.abs(y - points[0][1]) < draw.snapTolerance) {
+						pos = [x, points[0][1]];
+					}
+				}
+			}
+			if (pos == null && ['square', 'rect', 'para', 'trap'].includes(obj.polygonType) == false) {
+				var prev = p - 1;
+				if (prev == -1)
+					prev = points.length - 1;
+				var next = p + 1;
+				if (next == points.length)
+					next = 0;
+				var diff = [Math.abs(x - points[prev][0]), Math.abs(y - points[prev][1]), Math.abs(x - points[next][0]), Math.abs(y - points[next][1])];
+				var min = diff.indexOf(arrayMin(diff));
+				if (pos == null && diff[0] < draw.snapTolerance && diff[3] < draw.snapTolerance) {
+					pos = [points[prev][0], points[next][1]];
+				}
+				if (pos == null && diff[1] < draw.snapTolerance && diff[2] < draw.snapTolerance) {
+					pos = [points[next][0], points[prev][1]];
+				}
+				if (pos == null && min == 0) {
+					pos = [points[prev][0], y];
+				}
+				if (pos == null && min == 1) {
+					pos = [x, points[prev][1]];
+				}
+				if (pos == null && min == 2) {
+					pos = [points[next][0], y];
+				}
+				if (pos == null && min == 3) {
+					pos = [x, points[next][1]];
+				}
+			}
+		}
+		if (pos == null)
+			var pos = [x, y];
+
+		if (obj.anglesMode == 'exterior' && !un(obj.exteriorAngles)) {
+			for (var v = 0; v < obj.exteriorAngles.length; v++) {
+				obj.exteriorAngles[v].line1.dist = getDist(points[v], obj.exteriorAngles[v].line1.pos);
+				obj.exteriorAngles[v].line2.dist = getDist(points[v], obj.exteriorAngles[v].line2.pos);
+			}
+		}
+
+		if (!un(obj.polygonType) && (obj.points.length == 4 || obj.points.length == 3) && obj.polygonType !== 'none') {
+			switch (obj.polygonType) {
+			case 'square':
+				if (!shiftOn) {
+					var pivot; // test if a previous point has been moved and use this as a pivot
+					if (!un(obj._pivotPoint)) {
+						if (obj._pivotPoint[0] !== p) {
+							pivot = obj._pivotPoint[0];
+						} else if (!un(obj._pivotPoint[1])) {
+							pivot = obj._pivotPoint[1];
+						}
+					}
+					if (!un(pivot)) {
+						points[p] = pos;
+
+						var p2 = [];
+						for (var p3 = p; p3 < p + 4; p3++) {
+							p2.push(p3 % 4);
+						};
+
+						if (pivot - p == 1 || p - pivot == 3) {
+							var sideLen = getDist(points[p], points[pivot]);
+							var vector1 = getVectorAB(points[p], points[pivot]);
+							var vector2 = rotateVector(vector1, Math.PI / 2);
+							points[p2[3]] = pointAddVector(points[p], setVectorMag(vector2, sideLen));
+							points[p2[2]] = pointAddVector(points[pivot], setVectorMag(vector2, sideLen));
+							break;
+						} else if (pivot - p == -1 || p - pivot == -3) {
+							var sideLen = getDist(points[p], points[pivot]);
+							var vector1 = getVectorAB(points[p], points[pivot]);
+							var vector2 = rotateVector(vector1, -Math.PI / 2);
+							points[p2[1]] = pointAddVector(points[p], setVectorMag(vector2, sideLen));
+							points[p2[2]] = pointAddVector(points[pivot], setVectorMag(vector2, sideLen));
+							break;
+						}
+					}
+				}
+
+				var p2 = []; // p2[0] is moving point, p2[2] is opposite
+				for (var p3 = p; p3 < p + 4; p3++) {
+					p2.push(p3 % 4);
+				};
+
+				if (shiftOn) {
+					var dir = [];
+					var xDiff = pos[0] - points[p2[2]][0];
+					var yDiff = pos[1] - points[p2[2]][1];
+					var xDir = xDiff < 0 ? -1 : 1;
+					var yDir = yDiff < 0 ? -1 : 1;
+					var diff = Math.min(Math.abs(xDiff), Math.abs(yDiff));
+					points[p] = [points[p2[2]][0] + xDir * diff, points[p2[2]][1] + yDir * diff]
+				} else {
+					points[p] = pos;
+				}
+				var sideLen = getDist(points[p], points[p2[2]]) / Math.sqrt(2);
+				var diagVector = getVectorAB(points[p], points[p2[2]]);
+				var vector1 = rotateVector(diagVector, -Math.PI / 4);
+				var vector2 = rotateVector(diagVector, Math.PI / 4);
+				points[p2[1]] = pointAddVector(points[p], setVectorMag(vector1, sideLen));
+				points[p2[3]] = pointAddVector(points[p], setVectorMag(vector2, sideLen));
+				break;
+			case 'rect':
+				if (p == 0 || p == 1) {
+					if (shiftOn) {
+						var pos2 = p == 0 ? points[1] : points[0];
+						if (Math.abs(pos[0] - pos2[0]) < Math.abs(pos[1] - pos2[1])) {
+							pos[0] = pos2[0];
+						} else {
+							pos[1] = pos2[1];
+						}
+					}
+					var sideLen = getDist(points[1], points[2]);
+					points[p] = pos;
+					var vector1 = getVectorAB(points[0], points[1]);
+					var vector2 = setVectorMag(getPerpVector(vector1), sideLen);
+					points[2] = pointAddVector(points[1], vector2);
+					points[3] = pointAddVector(points[0], vector2);
+				} else if (p == 2) {
+					var vector1 = getVectorAB(points[1], points[2]);
+					var mag = getDist([x, y], points[1]);
+					points[2] = pointAddVector(points[1], setVectorMag(vector1, mag));
+					points[3] = pointAddVector(points[0], setVectorMag(vector1, mag));
+				}
+				break;
+			case 'para':
+				if (p == 0 || p == 1) {
+					if (shiftOn) {
+						var pos2 = p == 0 ? points[1] : points[0];
+						if (Math.abs(pos[0] - pos2[0]) < Math.abs(pos[1] - pos2[1])) {
+							pos[0] = pos2[0];
+						} else {
+							pos[1] = pos2[1];
+						}
+					}
+					var vector1 = getVectorAB(points[0], points[1]);
+					var angle1 = getVectorAngle(vector1);
+					var vector2 = getVectorAB(points[1], points[2]);
+					points[p] = pos;
+					var vector3 = getVectorAB(points[0], points[1]);
+					var angle3 = getVectorAngle(vector3);
+					var vector4 = rotateVector(vector2, angle3 - angle1);
+					points[2] = pointAddVector(points[1], vector4);
+					points[3] = pointAddVector(points[0], vector4);
+				} else if (p == 2) {
+					points[p] = pos;
+					var vector1 = getVectorAB(points[1], points[2]);
+					points[3] = pointAddVector(points[0], vector1);
+				}
+				break;
+			case 'trap':
+				var vector1a = getVectorAB(points[0], points[1]);
+				var vector2a = getVectorAB(points[1], points[2]);
+				var vector3a = getVectorAB(points[0], points[3]);
+				var vector4a = getVectorAB(points[2], points[3]);
+				var angle1a = getVectorAngle(vector1a);
+				points[p] = pos;
+				switch (p) {
+				case 0:
+				case 1:
+					if (shiftOn) {
+						var pos2 = p == 0 ? points[1] : points[0];
+						if (Math.abs(pos[0] - pos2[0]) < Math.abs(pos[1] - pos2[1])) {
+							pos[0] = pos2[0];
+						} else {
+							pos[1] = pos2[1];
+						}
+					}
+					var vector1b = getVectorAB(points[0], points[1]);
+					var angle1b = getVectorAngle(vector1b);
+					var vector2b = rotateVector(vector2a, angle1b - angle1a);
+					var vector3b = rotateVector(vector3a, angle1b - angle1a);
+					points[2] = pointAddVector(points[1], vector2b);
+					points[3] = pointAddVector(points[0], vector3b);
+					break;
+				case 2:
+					points[3] = getVectorLinesIntersection(points[2], vector4a, points[0], vector3a);
+					break;
+				case 3:
+					points[2] = getVectorLinesIntersection(points[3], vector4a, points[1], vector2a);
+					break;
+				}
+				break;
+			case 'rhom':
+				var mid = getMidpoint(points[0], points[2]);
+				var vector1 = getVectorAB(mid, points[1]);
+				var vector3 = getVectorAB(mid, points[3]);
+				if (p == 0 || p == 2) {
+					points[p] = pos;
+					var mid2 = getMidpoint(points[0], points[2]);
+					var vector2 = getVectorAB(points[0], points[2]);
+					var vector4 = setVectorMag(getPerpVector(vector2), getVectorMag(vector1)); ;
+					points[1] = pointAddVector(mid2, vector4, -1);
+					points[3] = pointAddVector(mid2, vector4);
+				} else if (p == 1) {
+					var mag = getDist(mid, [x, y]);
+					points[1] = pointAddVector(mid, setVectorMag(vector1, mag));
+					points[3] = pointAddVector(mid, setVectorMag(vector3, mag));
+				}
+				break;
+			case 'kite':
+				if (p == 0) {
+					var vector1a = getVectorAB(points[2], points[1]);
+					var vector2a = getVectorAB(points[2], points[3]);
+					var vector3a = getVectorAB(points[2], points[0]);
+					points[p] = pos;
+					var vector3b = getVectorAB(points[2], points[0]);
+					var angle1 = getVectorAngle(vector3a);
+					var angle2 = getVectorAngle(vector3b);
+					var vector1b = rotateVector(vector1a, angle2 - angle1);
+					var vector2b = rotateVector(vector2a, angle2 - angle1);
+					points[1] = pointAddVector(points[2], vector1b);
+					points[3] = pointAddVector(points[2], vector2b);
+				} else if (p == 2) {
+					var vector1a = getVectorAB(points[0], points[1]);
+					var vector2a = getVectorAB(points[0], points[3]);
+					var vector3a = getVectorAB(points[0], points[2]);
+					points[p] = pos;
+					var vector3b = getVectorAB(points[0], points[2]);
+					var angle1 = getVectorAngle(vector3a);
+					var angle2 = getVectorAngle(vector3b);
+					var vector1b = rotateVector(vector1a, angle2 - angle1);
+					var vector2b = rotateVector(vector2a, angle2 - angle1);
+					points[1] = pointAddVector(points[0], vector1b);
+					points[3] = pointAddVector(points[0], vector2b);
+				} else if (p == 1) {
+					points[p] = pos;
+					var vector1 = getVectorAB(points[0], points[2]);
+					var mid = getFootOfPerp(points[0], vector1, points[1]);
+					var vector2 = getVectorAB(mid, points[1]);
+					points[3] = pointAddVector(mid, vector2, -1);
+				}
+				break;
+			case 'equi':
+				var p0 = p;
+				var p1 = (p + 1) % 3;
+				var p2 = (p + 2) % 3;
+				points[p0] = pos;
+				var vector1 = getVectorAB(points[p2], points[p0]);
+				var vector2 = rotateVector(vector1, 2 * Math.PI / 3);
+				points[p1] = pointAddVector(points[p0], vector2, 1);
+				break;
+			case 'isos':
+				if (p == 0 || p == 1) {
+					points[p] = pos;
+					var vector1 = getVectorAB(points[0], points[1]);
+					var vector2 = getPerpVector(vector1);
+					var mid = getMidpoint(points[0], points[1]);
+					points[2] = pointAddVector(mid, vector2, 1.17);
+				} else {
+					var vector1 = getVectorAB(points[0], points[1]);
+					var perpDist = getPerpDist(points[0], vector1, pos);
+					var vector2 = getPerpVector(vector1);
+					var mid = getMidpoint(points[0], points[1]);
+					points[2] = pointAddVector(mid, getUnitVector(vector2), perpDist);
+				}
+				break;
+			case 'right':
+				if (p == 1) {
+					var vector1 = getVectorAB(points[1], points[0]);
+					var vector2 = getVectorAB(points[1], points[2]);
+					points[1] = pos;
+					points[0] = pointAddVector(pos, vector1, 1);
+					points[2] = pointAddVector(pos, vector2, 1);
+				} else if (p == 0) {
+					var vector1 = getVectorAB(points[1], points[0]);
+					var vector2 = getVectorAB(points[1], pos);
+					var angle = getVectorAngle(vector2) - getVectorAngle(vector1);
+					var vector3 = getVectorAB(points[1], points[2]);
+					var vector4 = rotateVector(vector3, angle);
+					points[0] = pos;
+					points[2] = pointAddVector(points[1], vector4, 1);
+				} else if (p == 2) {
+					var vector1 = getVectorAB(points[1], points[2]);
+					var vector2 = getVectorAB(points[1], pos);
+					var angle = getVectorAngle(vector2) - getVectorAngle(vector1);
+					var vector3 = getVectorAB(points[1], points[0]);
+					var vector4 = rotateVector(vector3, angle);
+					points[2] = pos;
+					points[0] = pointAddVector(points[1], vector4, 1);
+				}
+				break;
+			case 'rightisos':
+				if (p == 1) {
+					var vector1 = getVectorAB(points[1], points[0]);
+					var vector2 = getVectorAB(points[1], points[2]);
+					points[1] = pos;
+					points[0] = pointAddVector(pos, vector1, 1);
+					points[2] = pointAddVector(pos, vector2, 1);
+				} else if (p == 0) {
+					var vector1 = getVectorAB(points[1], pos);
+					var vector2 = getPerpVector(vector1);
+					points[0] = pos;
+					points[2] = pointAddVector(points[1], vector2, -1);
+				} else if (p == 2) {
+					var vector1 = getVectorAB(points[1], pos);
+					var vector2 = getPerpVector(vector1);
+					points[2] = pos;
+					points[0] = pointAddVector(points[1], vector2, 1);
+				}
+				break;
+			}
+		} else {
+			points[p] = pos;
+		}
+		if (obj.anglesMode == 'exterior' && !un(obj.exteriorAngles)) {
+			for (var v = 0; v < obj.exteriorAngles.length; v++) {
+				var prev = v - 1;
+				if (prev == -1)
+					prev = points.length - 1;
+				var next = v + 1;
+				if (next == points.length)
+					next = 0;
+				var vector1 = getVectorAB(points[prev], points[v]);
+				var pos1 = pointAddVector(points[v], getUnitVector(vector1), obj.exteriorAngles[v].line2.dist);
+				var vector2 = getVectorAB(points[next], points[v]);
+				var pos2 = pointAddVector(points[v], getUnitVector(vector2), obj.exteriorAngles[v].line1.dist);
+				obj.exteriorAngles[v].line1.vector = vector2;
+				obj.exteriorAngles[v].line1.pos = pos2;
+				obj.exteriorAngles[v].line2.vector = vector1;
+				obj.exteriorAngles[v].line2.pos = pos1;
+			}
+		}
+
+		updateBorder(draw.path[pathNum]);
+		//drawCanvasPaths();
+		draw.prevX = mouse.x;
+		draw.prevY = mouse.y;
+	},
+	posStop: function (e) {
+		var pathNum = draw.currPathNum;
+		var point = draw.currPoint;
+		var obj = draw.path[pathNum].obj[0];
+		/*if (draw.gridSnap == true && !(!un(obj.polygonType) && obj.points.length == 4 && ['square','rect','para','trap','rhom','kite'].indexOf(obj.polygonType) > -1)) {
+		obj.points[point][0] = roundToNearest(obj.points[point][0],draw.gridSnapSize);
+		obj.points[point][1] = roundToNearest(obj.points[point][1],draw.gridSnapSize);
+		updateBorder(draw.path[pathNum]);
+		drawCanvasPaths();
+		}*/
+		//removeListenerMove(window, draw.polygon.posMove);
+		//removeListenerEnd(window, draw.polygon.posStop);
+		changeDrawMode();
+		draw.prevX = null;
+		draw.prevY = null;
+
+		if (!un(obj.polygonType) && obj.polygonType == 'square') {
+			if (un(obj._pivotPoint))
+				obj._pivotPoint = [];
+			if (obj._pivotPoint.includes(point))
+				obj._pivotPoint.splice(obj._pivotPoint.indexOf(point), 1);
+			obj._pivotPoint.unshift(point);
+		}
+
+	},
+	startPrismPointDrag: function () {
+		changeDrawMode('polygonPrismPointDrag');
+		draw.prevX = draw.mouse[0];
+		draw.prevY = draw.mouse[1];
+		draw.currPathNum = draw.currCursor.pathNum;
+		updateSnapPoints(); // update intersection points
+		draw.animate(draw.polygon.prismPointMove,draw.polygon.prismPointStop,drawCanvasPaths);
+		//addListenerMove(window, draw.polygon.prismPointMove);
+		//addListenerEnd(window, draw.polygon.prismPointStop);
+	},
+	prismPointMove: function (e) {
+		updateMouse(e);
+		var dx = draw.mouse[0] - draw.prevX;
+		var dy = draw.mouse[1] - draw.prevY;
+		var pathNum = draw.currPathNum;
+		var obj = draw.path[pathNum].obj[0];
+		obj.prismVector[0] += dx;
+		obj.prismVector[1] += dy;
+		updateBorder(draw.path[pathNum]);
+		//drawCanvasPaths();
+		draw.prevX = mouse.x;
+		draw.prevY = mouse.y;
+	},
+	prismPointStop: function (e) {
+		//removeListenerMove(window, draw.polygon.prismPointMove);
+		//removeListenerEnd(window, draw.polygon.prismPointStop);
+		changeDrawMode();
+		draw.prevX = null;
+		draw.prevY = null;
+	},
+	startExtAnglePointDrag: function () {
+		changeDrawMode('polygonExtAnglePointDrag');
+		draw.currPathNum = draw.currCursor.pathNum;
+		draw.currPoint = draw.currCursor.point;
+		draw.currLine = draw.currCursor.line;
+		updateSnapPoints(); // update intersection points
+		draw.animate(draw.polygon.extAnglePointMove,draw.polygon.extAnglePointStop,drawCanvasPaths);
+		//addListenerMove(window, draw.polygon.extAnglePointMove);
+		//addListenerEnd(window, draw.polygon.extAnglePointStop);
+	},
+	extAnglePointMove: function (e) {
+		updateMouse(e);
+		var x = draw.mouse[0];
+		var y = draw.mouse[1];
+		var pathNum = draw.currPathNum;
+		var v = draw.currPoint;
+		var line = draw.currLine;
+		var obj = draw.path[pathNum].obj[0];
+		var d = getDist([x, y], obj.points[v]);
+		if (draw.currLine == 1) {
+			obj.exteriorAngles[v].line1.dist = d;
+			obj.exteriorAngles[v].line1.vector = setVectorMag(obj.exteriorAngles[v].line1.vector, d);
+			obj.exteriorAngles[v].line1.pos = pointAddVector(obj.points[v], obj.exteriorAngles[v].line1.vector);
+		} else {
+			obj.exteriorAngles[v].line2.dist = d;
+			obj.exteriorAngles[v].line2.vector = setVectorMag(obj.exteriorAngles[v].line2.vector, d);
+			obj.exteriorAngles[v].line2.pos = pointAddVector(obj.points[v], obj.exteriorAngles[v].line2.vector);
+		}
+		updateBorder(draw.path[pathNum]);
+		//drawCanvasPaths();
+	},
+	extAnglePointStop: function (e) {
+		//removeListenerMove(window, draw.polygon.extAnglePointMove);
+		//removeListenerEnd(window, draw.polygon.extAnglePointStop);
+		changeDrawMode();
+		draw.currPoint = null;
+		draw.currLine = null;
+	},
+	verticesMinus: function () {
+		var pathNum = draw.currCursor.pathNum;
+		var obj = draw.path[pathNum].obj[0];
+		var p = obj.points.length - 1;
+		if (p < 2)
+			return;
+		if (!un(obj.angles) && !un(obj.angles[p]))
+			obj.angles[p] = null;
+		obj.points.pop();
+		updateBorder(draw.path[pathNum]);
+		drawCanvasPaths();
+	},
+	verticesPlus: function () {
+		var pathNum = draw.currCursor.pathNum;
+		var first = draw.path[pathNum].obj[0].points[0];
+		var last = draw.path[pathNum].obj[0].points[draw.path[pathNum].obj[0].points.length - 1];
+		draw.path[pathNum].obj[0].points.push([(first[0] + last[0]) / 2, (first[1] + last[1]) / 2]);
+		updateBorder(draw.path[pathNum]);
+		drawCanvasPaths();
+	},
+	setType: function () {
+		var pathNum = draw.currCursor.pathNum;
+		var obj = draw.path[pathNum].obj[0];
+		var type = draw.currCursor.type;
+		if (obj.polygonType == type) {
+			obj.polygonType = 'none';
+		} else {
+			obj.polygonType = type;
+		}
+		switch (obj.polygonType) {
+		case 'square':
+			var vector1 = getVectorAB(obj.points[0], obj.points[1]);
+			var vector2 = getPerpVector(vector1);
+			obj.points[2] = pointAddVector(obj.points[1], vector2);
+			obj.points[3] = pointAddVector(obj.points[2], vector1, -1);
+			break;
+		case 'rect':
+			var vector1 = getVectorAB(obj.points[0], obj.points[1]);
+			var vector2 = getPerpVector(vector1);
+			vector2 = setVectorMag(vector2, getDist(obj.points[1], obj.points[2]));
+			obj.points[2] = pointAddVector(obj.points[1], vector2, 1);
+			obj.points[3] = pointAddVector(obj.points[0], vector2, 1);
+			break;
+		case 'para':
+			var vector1 = getVectorAB(obj.points[0], obj.points[1]);
+			obj.points[3] = pointAddVector(obj.points[2], vector1, -1);
+			break;
+		case 'trap':
+			var vector1 = getVectorAB(obj.points[0], obj.points[1]);
+			vector1 = setVectorMag(vector1, getDist(obj.points[2], obj.points[3]));
+			obj.points[3] = pointAddVector(obj.points[2], vector1, -1);
+			break;
+		case 'rhom':
+			var vector1 = getVectorAB(obj.points[0], obj.points[1]);
+			var vector2 = getVectorAB(obj.points[1], obj.points[2]);
+			vector2 = setVectorMag(vector2, getDist(obj.points[0], obj.points[1]));
+			obj.points[2] = pointAddVector(obj.points[1], vector2);
+			obj.points[3] = pointAddVector(obj.points[2], vector1, -1);
+			break;
+		case 'kite':
+			var vector1 = getVectorAB(obj.points[0], obj.points[2]);
+			var mid = getFootOfPerp(obj.points[0], vector1, obj.points[1]);
+			var vector2 = getVectorAB(mid, obj.points[1]);
+			obj.points[3] = pointAddVector(mid, vector2, -1);
+			break;
+		}
+		updateBorder(draw.path[pathNum]);
+		drawCanvasPaths();
+	},
+	setPrism: function () {
+		if (!un(draw.currCursor.pathNum)) {
+			var path = draw.path[draw.currCursor.pathNum];
+		} else {
+			var path = selPath();
+		}
+		var obj = path.obj[0];
+		if (obj.type !== 'polygon')
+			return;
+		if (obj.solidType == 'prism') {
+			delete obj.solidType;
+		} else {
+			obj.solidType = 'prism';
+			if (un(obj.prismVector))
+				obj.prismVector = [100, -100];
+		}
+		var pathNum = draw.currCursor.pathNum;
+		updateBorder(path);
+		drawCanvasPaths();
+	},
+	setOuterAngles: function () {
+		if (!un(draw.currCursor.pathNum)) {
+			var path = draw.path[draw.currCursor.pathNum];
+		} else {
+			var path = selPath();
+		}
+		var obj = path.obj[0];
+		if (obj.type !== 'polygon')
+			return;
+		obj.solidType = 'none';
+		if (obj.anglesMode == 'outer') {
+			obj.anglesMode = 'none';
+		} else {
+			obj.anglesMode = 'outer'
+		}
+		if (un(obj.outerAngles))
+			obj.outerAngles = [];
+		var pathNum = draw.currCursor.pathNum;
+		updateBorder(path);
+		drawCanvasPaths();
+	},
+	setExteriorAngles: function () {
+		if (!un(draw.currCursor.pathNum)) {
+			var path = draw.path[draw.currCursor.pathNum];
+		} else {
+			var path = selPath();
+		}
+		var obj = path.obj[0];
+		if (obj.type !== 'polygon')
+			return;
+		obj.solidType = 'none';
+		if (obj.anglesMode == 'exterior') {
+			obj.anglesMode = 'none';
+		} else {
+			obj.anglesMode = 'exterior'
+		}
+		if (un(obj.exteriorAngles))
+			obj.exteriorAngles = [];
+		for (var p = 0; p < obj.points.length; p++) {
+			if (!un(obj.exteriorAngles[p]))
+				continue;
+			var prev = p - 1;
+			if (prev == -1)
+				prev = obj.points.length - 1;
+			var next = p + 1;
+			if (next == obj.points.length)
+				next = 0;
+			var vector1 = getVectorAB(obj.points[prev], obj.points[p]);
+			var pos1 = pointAddVector(obj.points[p], getUnitVector(vector1), 60);
+			var vector2 = getVectorAB(obj.points[next], obj.points[p]);
+			var pos2 = pointAddVector(obj.points[p], getUnitVector(vector2), 60);
+			obj.exteriorAngles[p] = {
+				line1: {
+					show: false,
+					vector: vector2,
+					pos: pos2,
+					dist: 60
+				},
+				line2: {
+					show: false,
+					vector: vector1,
+					pos: pos1,
+					dist: 60
+				}
+			}
+			console.log(p, obj.exteriorAngles[p]);
+		}
+		var pathNum = draw.currCursor.pathNum;
+		updateBorder(path);
+		drawCanvasPaths();
+	},
+	setAngleStyle: function () {
+		if (!un(draw.currCursor.pathNum)) {
+			var path = draw.path[draw.currCursor.pathNum];
+		} else {
+			var path = selPath();
+		}
+		var obj = path.obj[0];
+		if (obj.type !== 'polygon')
+			return;
+		var p = draw.currCursor.point;
+		if (obj.anglesMode == 'outer') {
+			var prev = p - 1;
+			if (prev == -1)
+				prev = obj.points.length - 1;
+			var next = p + 1;
+			if (next == obj.points.length)
+				next = 0;
+			var a1 = posToAngle(obj.points[prev][0], obj.points[prev][1], obj.points[p][0], obj.points[p][1]);
+			var a2 = posToAngle(mouse.x - draw.drawRelPos[0], mouse.y - draw.drawRelPos[1], obj.points[p][0], obj.points[p][1]);
+			var a3 = posToAngle(obj.points[next][0], obj.points[next][1], obj.points[p][0], obj.points[p][1]);
+			if (anglesInOrder(a1, a2, a3) == true) {
+				obj.outerAngles[p] = angleStyleIncrement(obj.outerAngles[p]);
+			} else {
+				obj.angles[p] = angleStyleIncrement(obj.angles[p]);
+			}
+		} else if (obj.anglesMode == 'exterior') {
+			var prev = p - 1;
+			if (prev == -1)
+				prev = obj.points.length - 1;
+			var next = p + 1;
+			if (next == obj.points.length)
+				next = 0;
+			var p1 = obj.points[prev];
+			var p2 = obj.exteriorAngles[p].line1.pos;
+			var p3 = obj.exteriorAngles[p].line2.pos;
+			var p4 = obj.points[next];
+			var a1 = posToAngle(p1[0], p1[1], obj.points[p][0], obj.points[p][1]);
+			var a2 = posToAngle(p2[0], p2[1], obj.points[p][0], obj.points[p][1]);
+			var a3 = posToAngle(p3[0], p3[1], obj.points[p][0], obj.points[p][1]);
+			var a4 = posToAngle(p4[0], p4[1], obj.points[p][0], obj.points[p][1]);
+			var aMouse = posToAngle(mouse.x - draw.drawRelPos[0], mouse.y - draw.drawRelPos[1], obj.points[p][0], obj.points[p][1]);
+			if (anglesInOrder(a1, aMouse, a2) == true) {
+				obj.exteriorAngles[p].a3 = angleStyleIncrement(obj.exteriorAngles[p].a3);
+
+			} else if (anglesInOrder(a2, aMouse, a3) == true) {
+				obj.exteriorAngles[p].a2 = angleStyleIncrement(obj.exteriorAngles[p].a2);
+			} else if (anglesInOrder(a3, aMouse, a4) == true) {
+				obj.exteriorAngles[p].a1 = angleStyleIncrement(obj.exteriorAngles[p].a1);
+			} else {
+				obj.angles[p] = angleStyleIncrement(obj.angles[p]);
+			}
+			if (!un(obj.exteriorAngles[p].a3) || !un(obj.exteriorAngles[p].a2)) {
+				obj.exteriorAngles[p].line1.show = true;
+			} else {
+				obj.exteriorAngles[p].line1.show = false;
+			}
+			if (!un(obj.exteriorAngles[p].a1) || !un(obj.exteriorAngles[p].a2)) {
+				obj.exteriorAngles[p].line2.show = true;
+			} else {
+				obj.exteriorAngles[p].line2.show = false;
+			}
+		} else {
+			obj.angles[p] = angleStyleIncrement(obj.angles[p]);
+		}
+		var pathNum = draw.currCursor.pathNum;
+		updateBorder(path);
+		drawCanvasPaths();
+	},
+	toggleOuterAngle: function () {
+		if (!un(draw.currCursor.pathNum)) {
+			var path = draw.path[draw.currCursor.pathNum];
+		} else {
+			var path = selPath();
+		}
+		var obj = path.obj[0];
+		if (obj.type !== 'polygon')
+			return;
+		var p = draw.currCursor.point;
+		if (un(obj.outerAngles))
+			obj.outerAngles = [];
+		if (un(obj.outerAngles[p]))
+			obj.outerAngles[p] = {
+				style: 0,
+				radius: 30,
+				labelMeasure: true,
+				labelFontSize: 25,
+				labelRadius: 33,
+				measureLabelOnly: true
+			};
+		angleStyleIncrement(obj.outerAngles[p]);
+		drawCanvasPaths();
+	},
+	toggleOuterAngleLabel: function () {
+		if (!un(draw.currCursor.pathNum)) {
+			var path = draw.path[draw.currCursor.pathNum];
+		} else {
+			var path = selPath();
+		}
+		var obj = path.obj[0];
+		if (obj.type !== 'polygon')
+			return;
+		var p = draw.currCursor.point;
+		if (un(obj.outerAngles))
+			obj.outerAngles = [];
+		if (un(obj.outerAngles[p]))
+			obj.outerAngles[p] = {
+				style: 0,
+				radius: 30,
+				labelMeasure: true,
+				labelFontSize: 25,
+				labelRadius: 33,
+				drawCurve: false,
+				measureLabelOnly: true
+			};
+		obj.outerAngles[p].measureLabelOnly = !obj.outerAngles[p].measureLabelOnly;
+		drawCanvasPaths();
+	},
+	toggleExteriorAngle: function () {
+		if (!un(draw.currCursor.pathNum)) {
+			var path = draw.path[draw.currCursor.pathNum];
+		} else {
+			var path = selPath();
+		}
+		var obj = path.obj[0];
+		if (obj.type !== 'polygon')
+			return;
+		var p = draw.currCursor.point;
+		var s = draw.currCursor.sub;
+		if (un(obj.exteriorAngles))
+			obj.exteriorAngles = [];
+		if (un(obj.exteriorAngles[p]))
+			obj.exteriorAngles[p] = {};
+		var a = obj.exteriorAngles[p];
+		if (s == 1)
+			var angle = a.a1;
+		if (s == 2)
+			var angle = a.a2;
+		if (s == 3)
+			var angle = a.a3;
+		if (un(angle))
+			angle = {
+				style: 0,
+				radius: 30,
+				labelMeasure: true,
+				labelFontSize: 25,
+				labelRadius: 33,
+				measureLabelOnly: true
+			};
+		angleStyleIncrement(angle);
+		if (s == 1)
+			a.a1 = angle;
+		if (s == 2)
+			a.a2 = angle;
+		if (s == 3)
+			a.a3 = angle;
+		if ((!un(a.a3) && a.a3.drawCurve !== false) || (!un(a.a2) && a.a2.drawCurve !== false)) {
+			a.line1.show = true;
+		} else {
+			a.line1.show = false;
+		}
+		if ((!un(a.a1) && a.a1.drawCurve !== false) || (!un(a.a2) && a.a2.drawCurve !== false)) {
+			a.line2.show = true;
+		} else {
+			a.line2.show = false;
+		}
+		drawCanvasPaths();
+	},
+	toggleExteriorAngleLabel: function () {
+		if (!un(draw.currCursor.pathNum)) {
+			var path = draw.path[draw.currCursor.pathNum];
+		} else {
+			var path = selPath();
+		}
+		var obj = path.obj[0];
+		if (obj.type !== 'polygon')
+			return;
+		var p = draw.currCursor.point;
+		var s = draw.currCursor.sub;
+		if (un(obj.exteriorAngles))
+			obj.exteriorAngles = [];
+		if (un(obj.exteriorAngles[p]))
+			obj.exteriorAngles[p] = {};
+		var a = obj.exteriorAngles[p];
+		if (s == 1)
+			var angle = a.a1;
+		if (s == 2)
+			var angle = a.a2;
+		if (s == 3)
+			var angle = a.a3;
+		if (un(angle))
+			angle = {
+				style: 0,
+				radius: 30,
+				labelMeasure: true,
+				labelFontSize: 25,
+				labelRadius: 33,
+				drawCurve: false,
+				measureLabelOnly: true
+			};
+		angle.measureLabelOnly = !angle.measureLabelOnly;
+		if (s == 1)
+			a.a1 = angle;
+		if (s == 2)
+			a.a2 = angle;
+		if (s == 3)
+			a.a3 = angle;
+		drawCanvasPaths();
+	},
+	toggleAngle: function () {
+		if (!un(draw.currCursor.pathNum)) {
+			var path = draw.path[draw.currCursor.pathNum];
+		} else {
+			var path = selPath();
+		}
+		var obj = path.obj[0];
+		if (obj.type !== 'polygon')
+			return;
+		var p = draw.currCursor.point;
+		if (un(obj.angles))
+			obj.angles = [];
+		if (un(obj.angles[p]))
+			obj.angles[p] = {
+				style: 0,
+				radius: 30,
+				labelMeasure: true,
+				labelFontSize: 25,
+				labelRadius: 33,
+				measureLabelOnly: true
+			};
+		//obj.angles[p].drawCurve = !obj.angles[p].drawCurve;
+		angleStyleIncrement(obj.angles[p]);
+		drawCanvasPaths();
+	},
+	toggleAngleLabel: function () {
+		if (!un(draw.currCursor.pathNum)) {
+			var path = draw.path[draw.currCursor.pathNum];
+		} else {
+			var path = selPath();
+		}
+		var obj = path.obj[0];
+		if (obj.type !== 'polygon')
+			return;
+		var p = draw.currCursor.point;
+		if (un(obj.angles))
+			obj.angles = [];
+		if (un(obj.angles[p]))
+			obj.angles[p] = {
+				style: 0,
+				radius: 30,
+				labelMeasure: true,
+				labelFontSize: 25,
+				labelRadius: 33,
+				drawCurve: false,
+				measureLabelOnly: true
+			};
+		obj.angles[p].measureLabelOnly = !obj.angles[p].measureLabelOnly;
+		drawCanvasPaths();
+	},
+	setLineDecoration: function () {
+		var obj = draw.path[draw.currCursor.pathNum].obj[0];
+		var p = draw.currCursor.point;
+		if (un(obj.lineDecoration))
+			obj.lineDecoration = [];
+		if (typeof obj.lineDecoration[p] == 'undefined' || obj.lineDecoration[p] == null) {
+			obj.lineDecoration[p] = {
+				style: 0,
+				type: 'dash',
+				number: 1
+			};
+		} else {
+			switch (obj.lineDecoration[p].style) {
+			case 0:
+				obj.lineDecoration[p] = {
+					style: 1,
+					type: 'dash',
+					number: 2
+				};
+				break;
+			case 1:
+				obj.lineDecoration[p] = {
+					style: 2,
+					type: 'arrow',
+					direction: 1,
+					number: 1
+				};
+				break;
+			case 2:
+				obj.lineDecoration[p] = {
+					style: 3,
+					type: 'arrow',
+					direction: 1,
+					number: 2
+				};
+				break;
+			case 3:
+				obj.lineDecoration[p] = {
+					style: 4,
+					type: 'arrow',
+					direction: -1,
+					number: 1
+				};
+				break;
+			case 4:
+				obj.lineDecoration[p] = {
+					style: 5,
+					type: 'arrow',
+					direction: -1,
+					number: 2
+				};
+				break;
+			case 5:
+			default:
+				obj.lineDecoration[p] = undefined;
+				break;
+			}
+		}
+		var pathNum = draw.currCursor.pathNum;
+		updateBorder(draw.path[pathNum]);
+		drawCanvasPaths();
+	},
+	makeRegular: function () {
+		if (!un(draw.currCursor.pathNum)) {
+			var path = draw.path[draw.currCursor.pathNum];
+		} else {
+			var path = selPath();
+		}
+		var obj = path.obj[0];
+		if (obj.type !== 'polygon')
+			return;
+
+		var center = [obj._left + 0.5 * obj._width, obj._top + 0.5 * obj._height];
+		var radius = 0.5 * Math.min(obj._width, obj._height);
+		var numOfSides = obj.points.length;
+		var startAngle = -0.5 * Math.PI;
+		if (numOfSides % 2 == 0) {
+			startAngle += (Math.PI / numOfSides)
+		}
+		var angle = startAngle;
+		obj.points = [];
+		for (var i = 0; i < numOfSides; i++) {
+			obj.points[i] = [center[0] + radius * Math.cos(angle), center[1] + radius * Math.sin(angle)];
+			angle += (2 * Math.PI) / numOfSides;
+		}
+		obj.clockwise = false;
+		updateBorder(path);
+		drawCanvasPaths();
+	},
+	rotate: function (angle) {
+		var obj = sel();
+		var center = getCentroid(obj.points);
+		for (var p = 0; p < obj.points.length; p++)
+			obj.points[p] = rotate(center, obj.points[p], angle);
+		var path = selPath();
+		updateBorder(path);
+		drawSelectedPaths();
+		drawSelectCanvas();
+
+		function getCentroid(coords) {
+			var center = coords.reduce(function (x, y) {
+					return [x[0] + y[0] / coords.length, x[1] + y[1] / coords.length]
+				}, [0, 0])
+				return center;
+		}
+
+		function rotate(center, point, angle) {
+			var radians = (Math.PI / 180) * angle,
+			cos = Math.cos(radians),
+			sin = Math.sin(radians),
+			nx = (cos * (point[0] - center[0])) + (sin * (point[1] - center[1])) + center[0],
+			ny = (cos * (point[1] - center[1])) - (sin * (point[0] - center[0])) + center[1];
+			return [nx, ny];
+		}
+	},
+	reflect: function (dir) {
+		var obj = sel();
+		if (un(dir))
+			dir = 'h';
+		var center = getCentroid(obj.points);
+		for (var p = 0; p < obj.points.length; p++)
+			obj.points[p] = reflect(center, obj.points[p], dir);
+		obj.points.reverse();
+		var path = selPath();
+		updateBorder(path);
+		drawSelectedPaths();
+		drawSelectCanvas();
+
+		function getCentroid(coords) {
+			var center = coords.reduce(function (x, y) {
+					return [x[0] + y[0] / coords.length, x[1] + y[1] / coords.length]
+				}, [0, 0])
+				return center;
+		}
+
+		function reflect(center, point, dir) {
+			if (dir == 'h') {
+				point[0] = center[0] + (center[0] - point[0]);
+			} else {
+				point[1] = center[1] + (center[1] - point[1]);
+			}
+			return point;
+		}
+	},
+	drawButton: function (ctx, size, type) {
+		var pos = [[20, 50], [45, 25], [80, 65], [60, 80], [40, 80], [20, 50]];
+		for (var p = 0; p < pos.length; p++) {
+			pos[p][0] = pos[p][0] * (size / 100);
+			pos[p][1] = pos[p][1] * (size / 100);
+		}
+		ctx.beginPath();
+		drawPolygon({
+			ctx: ctx,
+			points: pos,
+			lineWidth: size * 0.02
+		});
+		ctx.stroke();
+	},
+	scale: function (obj, sf, center) {
+		if (un(center))
+			var center = obj.points[0];
+		for (var p = 0; p < obj.points.length; p++) {
+			obj.points[p][0] = center[0] + sf * (obj.points[p][0] - center[0]);
+			obj.points[p][1] = center[1] + sf * (obj.points[p][1] - center[1]);
+		}
+		if (!un(obj.thickness))
+			obj.thickness *= sf;
+		if (!un(obj.dash)) {
+			if (!un(obj.dash[0]))
+				obj.dash[0] *= sf;
+			if (!un(obj.dash[1]))
+				obj.dash[1] *= sf;
+		}
+		if (!un(obj.outerAngles)) {
+			// exterior?
+			// line dec
+		}
+	},
+	addLabels: function (obj) {
+		if (un(obj))
+			obj = sel();
+		if (obj.type !== 'polygon' || un(obj._textSnapPos))
+			return;
+		var count = 0;
+		for (var p = 0; p < obj._textSnapPos.length; p++) {
+			var pos = obj._textSnapPos[p];
+			if (pos.type !== 'polygonVertex')
+				continue;
+			var letter = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'[count];
+			count++;
+			var align = pos.align;
+			var x = pos.pos[0] + (align[0] == 0 ? -25 : align[0] == 1 ? -50 : 0);
+			var y = pos.pos[1] + (align[1] == 0 ? -25 : align[1] == 1 ? -50 : 0);
+			draw.path.push({
+				obj: [{
+						type: 'text2',
+						align: clone(align),
+						text: ['<<font:algebra>><<fontSize:28>>' + letter],
+						rect: [x, y, 50, 50],
+						tightRect: [x, y, 50, 50]
+					}
+				],
+				selected: false
+			});
+		}
+		drawCanvasPaths();
+		draw.updateAllBorders();
+	},
+}
+draw.polyTri = {
+	add: function () {
+		draw.polygon.add('none', 3);
+	},
+	drawButton: function (ctx, size) {
+		var pos = [[20, 20], [30, 50], [80, 40]];
+		ctx.beginPath();
+		drawPolygon({
+			ctx: ctx,
+			points: pos,
+			lineWidth: size * 0.02
+		});
+		ctx.stroke();
+	}
+}
+draw.polyQuad = {
+	add: function () {
+		draw.polygon.add('none', 4);
+	},
+	drawButton: function (ctx, size) {
+		var pos = [[20, 20], [30, 50], [80, 60], [60, 30]];
+		ctx.beginPath();
+		drawPolygon({
+			ctx: ctx,
+			points: pos,
+			lineWidth: size * 0.02
+		});
+		ctx.stroke();
+	}
+}
+draw.polySquare = {
+	add: function () {
+		draw.polygon.add('square', 4);
+	},
+	drawButton: function (ctx, size) {
+		var pos = [[25, 20], [25, 70], [75, 70], [75, 20]];
+		var lineDec = [{
+				type: 'dash',
+				length: 4
+			}, {
+				type: 'dash',
+				length: 4
+			}, {
+				type: 'dash',
+				length: 4
+			}, {
+				type: 'dash',
+				length: 4
+			}
+		];
+		var angles = [{
+				radius: 15
+			}, {
+				radius: 15
+			}, {
+				radius: 15
+			}, {
+				radius: 15
+			}
+		];
+		for (var p = 0; p < pos.length; p++) {
+			pos[p][0] = pos[p][0] * (size / 100);
+			pos[p][1] = pos[p][1] * (size / 100);
+		}
+		for (var d = 0; d < lineDec.length; d++) {
+			if (un(lineDec[d]))
+				continue;
+			lineDec[d].length = lineDec[d].length * (size / 100);
+		}
+		for (var a = 0; a < angles.length; a++) {
+			if (un(angles[a]))
+				continue;
+			angles[a].length = angles[a].radius * (size / 100);
+		}
+		ctx.beginPath();
+		drawPolygon({
+			ctx: ctx,
+			points: pos,
+			lineDecoration: lineDec,
+			angles: angles,
+			lineWidth: size * 0.02
+		});
+		ctx.stroke();
+	}
+}
+draw.polyRect = {
+	add: function () {
+		draw.polygon.add('rect', 4);
+	},
+	drawButton: function (ctx, size) {
+		var pos = [[15, 30], [15, 70], [85, 70], [85, 30]];
+		var angles = [{
+				radius: 15
+			}, {
+				radius: 15
+			}, {
+				radius: 15
+			}, {
+				radius: 15
+			}
+		];
+		for (var p = 0; p < pos.length; p++) {
+			pos[p][0] = pos[p][0] * (size / 100);
+			pos[p][1] = pos[p][1] * (size / 100);
+		}
+		for (var a = 0; a < angles.length; a++) {
+			if (un(angles[a]))
+				continue;
+			angles[a].length = angles[a].radius * (size / 100);
+		}
+		ctx.beginPath();
+		drawPolygon({
+			ctx: ctx,
+			points: pos,
+			angles: angles,
+			lineWidth: size * 0.02
+		});
+		ctx.stroke();
+	}
+}
+draw.polyPara = {
+	add: function () {
+		draw.polygon.add('para', 4);
+	},
+	drawButton: function (ctx, size) {
+		var pos = [[20, 30], [30, 70], [80, 70], [70, 30]];
+		var lineDec = [{
+				type: 'arrow',
+				length: 8,
+				direction: 1,
+				number: 1
+			}, {
+				type: 'arrow',
+				length: 8,
+				direction: 1,
+				number: 2
+			}, {
+				type: 'arrow',
+				length: 8,
+				direction: -1,
+				number: 1
+			}, {
+				type: 'arrow',
+				length: 8,
+				direction: -1,
+				number: 2
+			}
+		];
+		for (var p = 0; p < pos.length; p++) {
+			pos[p][0] = pos[p][0] * (size / 100);
+			pos[p][1] = pos[p][1] * (size / 100);
+		}
+		for (var d = 0; d < lineDec.length; d++) {
+			if (un(lineDec[d]))
+				continue;
+			lineDec[d].length = lineDec[d].length * (size / 100);
+		}
+		ctx.beginPath();
+		drawPolygon({
+			ctx: ctx,
+			points: pos,
+			lineDecoration: lineDec,
+			lineWidth: size * 0.02
+		});
+		ctx.stroke();
+	}
+}
+draw.polyTrap = {
+	add: function () {
+		draw.polygon.add('trap', 4);
+	},
+	drawButton: function (ctx, size) {
+		var pos = [[30, 30], [20, 70], [80, 70], [60, 30]];
+		var lineDec = [{}, {
+				type: 'arrow',
+				length: 8,
+				direction: 1,
+				number: 2
+			}, {}, {
+				type: 'arrow',
+				length: 8,
+				direction: -1,
+				number: 2
+			}
+		];
+		for (var p = 0; p < pos.length; p++) {
+			pos[p][0] = pos[p][0] * (size / 100);
+			pos[p][1] = pos[p][1] * (size / 100);
+		}
+		for (var d = 0; d < lineDec.length; d++) {
+			if (un(lineDec[d]))
+				continue;
+			lineDec[d].length = lineDec[d].length * (size / 100);
+		}
+		ctx.beginPath();
+		drawPolygon({
+			ctx: ctx,
+			points: pos,
+			lineDecoration: lineDec,
+			lineWidth: size * 0.02
+		});
+		ctx.stroke();
+	}
+}
+draw.polyRhom = {
+	add: function () {
+		draw.polygon.add('rhom', 4);
+	},
+	drawButton: function (ctx, size) {
+		var pos = [[15, 50], [50, 80], [85, 50], [50, 20]];
+		var lineDec = [{
+				type: 'dash',
+				length: 4
+			}, {
+				type: 'dash',
+				length: 4
+			}, {
+				type: 'dash',
+				length: 4
+			}, {
+				type: 'dash',
+				length: 4
+			}
+		];
+		for (var p = 0; p < pos.length; p++) {
+			pos[p][0] = pos[p][0] * (size / 100);
+			pos[p][1] = pos[p][1] * (size / 100);
+		}
+		for (var d = 0; d < lineDec.length; d++) {
+			if (un(lineDec[d]))
+				continue;
+			lineDec[d].length = lineDec[d].length * (size / 100);
+		}
+		ctx.beginPath();
+		drawPolygon({
+			ctx: ctx,
+			points: pos,
+			lineDecoration: lineDec,
+			lineWidth: size * 0.02
+		});
+		ctx.stroke();
+	}
+}
+draw.polyKite = {
+	add: function () {
+		draw.polygon.add('kite', 4);
+	},
+	drawButton: function (ctx, size) {
+		var pos = [[15, 50], [60, 80], [85, 50], [60, 20]]
+		var lineDec = [{
+				type: 'dash',
+				length: 4,
+				number: 2
+			}, {
+				type: 'dash',
+				length: 4,
+				number: 1
+			}, {
+				type: 'dash',
+				length: 4,
+				number: 1
+			}, {
+				type: 'dash',
+				length: 4,
+				number: 2
+			}
+		];
+		for (var p = 0; p < pos.length; p++) {
+			pos[p][0] = pos[p][0] * (size / 100);
+			pos[p][1] = pos[p][1] * (size / 100);
+		}
+		for (var d = 0; d < lineDec.length; d++) {
+			if (un(lineDec[d]))
+				continue;
+			lineDec[d].length = lineDec[d].length * (size / 100);
+		}
+		ctx.beginPath();
+		drawPolygon({
+			ctx: ctx,
+			points: pos,
+			lineDecoration: lineDec,
+			lineWidth: size * 0.02
+		});
+		ctx.stroke();
+	}
+}
+draw.polyEqui = {
+	add: function () {
+		draw.polygon.add('equi', 3);
+	},
+	drawButton: function (ctx, size) {
+		var pos = [[25, 50 + 12.5 * Math.sqrt(3)], [50, 50 - 12.5 * Math.sqrt(3)], [75, 50 + 12.5 * Math.sqrt(3)]];
+		var lineDec = [{
+				type: 'dash',
+				length: 4
+			}, {
+				type: 'dash',
+				length: 4
+			}, {
+				type: 'dash',
+				length: 4
+			}
+		];
+		for (var p = 0; p < pos.length; p++) {
+			pos[p][0] = pos[p][0] * (size / 100);
+			pos[p][1] = pos[p][1] * (size / 100);
+		}
+		for (var d = 0; d < lineDec.length; d++) {
+			if (un(lineDec[d]))
+				continue;
+			lineDec[d].length = lineDec[d].length * (size / 100);
+		}
+		ctx.beginPath();
+		drawPolygon({
+			ctx: ctx,
+			points: pos,
+			lineDecoration: lineDec,
+			lineWidth: size * 0.02
+		});
+		ctx.stroke();
+	}
+}
+draw.polyIsos = {
+	add: function () {
+		draw.polygon.add('isos', 3);
+	},
+	drawButton: function (ctx, size) {
+		var pos = [[25, 80], [50, 20], [75, 80]];
+		var lineDec = [{
+				type: 'dash',
+				length: 4
+			}, {
+				type: 'dash',
+				length: 4
+			}
+		];
+		for (var p = 0; p < pos.length; p++) {
+			pos[p][0] = pos[p][0] * (size / 100);
+			pos[p][1] = pos[p][1] * (size / 100);
+		}
+		for (var d = 0; d < lineDec.length; d++) {
+			if (un(lineDec[d]))
+				continue;
+			lineDec[d].length = lineDec[d].length * (size / 100);
+		}
+		ctx.beginPath();
+		drawPolygon({
+			ctx: ctx,
+			points: pos,
+			lineDecoration: lineDec,
+			lineWidth: size * 0.02
+		});
+		ctx.stroke();
+	}
+}
+draw.polyRight = {
+	add: function () {
+		draw.polygon.add('right', 3);
+	},
+	drawButton: function (ctx, size) {
+		var pos = [[25, 70], [75, 70], [25, 30]];
+		var angles = [{
+				radius: 15
+			}, null, null];
+		for (var p = 0; p < pos.length; p++) {
+			pos[p][0] = pos[p][0] * (size / 100);
+			pos[p][1] = pos[p][1] * (size / 100);
+		}
+		for (var a = 0; a < angles.length; a++) {
+			if (un(angles[a]))
+				continue;
+			angles[a].length = angles[a].radius * (size / 100);
+		}
+		ctx.beginPath();
+		drawPolygon({
+			ctx: ctx,
+			points: pos,
+			angles: angles,
+			lineWidth: size * 0.02
+		});
+		ctx.stroke();
+	}
+}
+draw.polyRightIsos = {
+	add: function () {
+		draw.polygon.add('rightisos', 3);
+	},
+	drawButton: function (ctx, size) {
+		var pos = [[25, 70], [75, 70], [25, 20]];
+		var angles = [{
+				radius: 15
+			}, null, null];
+		var lineDec = [{
+				type: 'dash',
+				length: 4
+			}, {}, {
+				type: 'dash',
+				length: 4
+			}
+		];
+		for (var p = 0; p < pos.length; p++) {
+			pos[p][0] = pos[p][0] * (size / 100);
+			pos[p][1] = pos[p][1] * (size / 100);
+		}
+		for (var d = 0; d < lineDec.length; d++) {
+			if (un(lineDec[d]))
+				continue;
+			lineDec[d].length = lineDec[d].length * (size / 100);
+		}
+		for (var a = 0; a < angles.length; a++) {
+			if (un(angles[a]))
+				continue;
+			angles[a].length = angles[a].radius * (size / 100);
+		}
+		ctx.beginPath();
+		drawPolygon({
+			ctx: ctx,
+			points: pos,
+			lineDecoration: lineDec,
+			angles: angles,
+			lineWidth: size * 0.02
+		});
+		ctx.stroke();
+	}
+}
+draw.polyReg = {
+	add: function (n) {
+		draw.polygon.add('none', n);
+	},
+	drawButton: function (ctx, size, n) {
+		ctx.beginPath();
+		ctx.strokeStyle = '#000';
+		ctx.lineWidth = size * 0.02;
+		drawRegularPolygon({
+			ctx: ctx,
+			c: [0.5 * size, 0.5 * size],
+			r: 0.3 * size,
+			p: n,
+			startAngle: Math.PI / 2 - Math.PI / n
+		});
+		ctx.stroke();
+	}
+}
+draw.image = {
+	add: function(src) {
+		if (un(src)) src = 'images/logoSmall.PNG';
+		deselectAllPaths(false);
+		changeDrawMode();
+		draw.path.push({
+			obj: [{
+					type: 'image',
+					src: src,
+					left:20,
+					top:20
+				}
+			],
+			selected: true
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+	},
+	draw: function (ctx, obj, path) {
+		if (!un(obj.alpha)) ctx.globalAlpha = obj.alpha;
+		if (!un(obj._image) && obj._image.src !== '') {
+			if (!un(obj.crop)) {
+				ctx.drawImage(obj._image, obj.crop[0],obj.crop[1],obj.crop[2],obj.crop[3],obj.left, obj.top, obj.width, obj.height);
+			} else {
+				ctx.drawImage(obj._image, obj.left, obj.top, obj.width, obj.height);
+			}
+		} else if (!un(obj.src)) {
+			obj._image = new Image;
+			obj._image.onload = function () {
+				if (un(obj.width)) obj.width = obj._image.naturalWidth;
+				if (un(obj.height)) obj.height = obj._image.naturalHeight;
+				obj._path = draw.getPathOfObj(obj);
+				if (obj._path !== false) updateBorder(obj._path);
+				drawCanvasPaths();
+			}
+			obj._image.src = obj.src;
+		} else if (!un(obj.canvas)) {
+			ctx.drawImage(obj.canvas, obj.left, obj.top, obj.width, obj.height);
+		}
+		if (!un(obj.box)) {
+			if (obj.box.borderColor !== 'none' && obj.box.color !== 'none') {
+				ctx.strokeStyle = obj.box.borderColor || obj.box.color || '#000';
+				ctx.lineWidth = obj.box.borderWidth || obj.box.width || 2;
+				ctx.strokeRect(obj.left, obj.top, obj.width, obj.height);
+			}
+		}
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.left += dl;
+		obj.top += dt;
+		obj.width += dw;
+		obj.height += dh;
+	},
+	scale: function (obj, sf, center) {
+		if (!un(center)) {
+			obj.left = center[0] + sf * (obj.left - center[0]);
+			obj.top = center[1] + sf * (obj.top - center[1]);
+		}
+		var ratio = obj.width/obj.height;
+		obj.width *= sf;
+		obj.height = obj.width/ratio;
+	},
+	
+	getCursorPositionsSelected: function (obj, pathNum) {
+		var pos = [];
+		pos.push({
+			shape: 'line',
+			dims: [[obj.left,obj.top],[obj.left,obj.top+obj.height],20],
+			cursor: draw.cursors.ew,
+			func: draw.image.cropStart,
+			pathNum: pathNum,
+			obj: obj,
+			side: 'left'
+		}, {
+			shape: 'line',
+			dims: [[obj.left,obj.top],[obj.left+obj.width,obj.top],20],
+			cursor: draw.cursors.ns,
+			func: draw.image.cropStart,
+			pathNum: pathNum,
+			obj: obj,
+			side: 'top'
+		}, {
+			shape: 'line',
+			dims: [[obj.left+obj.width,obj.top],[obj.left+obj.width,obj.top+obj.height],20],
+			cursor: draw.cursors.ew,
+			func: draw.image.cropStart,
+			pathNum: pathNum,
+			obj: obj,
+			side: 'right'
+		}, {
+			shape: 'line',
+			dims: [[obj.left,obj.top+obj.height],[obj.left+obj.width,obj.top+obj.height],20],
+			cursor: draw.cursors.ns,
+			func: draw.image.cropStart,
+			pathNum: pathNum,
+			obj: obj,
+			side: 'bottom'
+		});
+
+		return pos;
+	},
+	cropStart: function(e) {
+		draw._drag = draw.currCursor;
+		var obj = draw._drag.obj;
+		if (un(obj.crop)) obj.crop = [0,0,obj._image.naturalWidth,obj._image.naturalHeight];
+		obj._xsf = obj.crop[2] / obj.width;
+		obj._ysf = obj.crop[3] / obj.height;
+		draw.animate(draw.image.cropMove,draw.image.cropStop,drawCanvasPaths);
+		addListenerMove(window,draw.image.cropMove);
+		addListenerEnd(window,draw.image.cropStop);
+	},
+	cropMove: function(e) {
+		updateMouse(e);
+		var obj = draw._drag.obj;
+		var side = draw._drag.side;
+		if (side === 'left') {
+			var minLeft = obj.left-obj.crop[0]/obj._xsf;
+			var maxLeft = obj.left+obj.width-40;
+			var x = Math.max(Math.min(maxLeft,draw.mouse[0]),minLeft);
+			var dx = x - obj.left;
+			obj.left += dx;
+			obj.width -= dx;
+			obj.crop[0] += dx*obj._xsf;
+			obj.crop[2] -= dx*obj._xsf;
+		} else if (side === 'right') {
+			var right = Math.min(Math.max(draw.mouse[0],obj.left+40),obj._image.naturalWidth/obj._xsf);
+			obj.width = right-obj.left;
+			obj.crop[2] = obj.width*obj._xsf;
+		} else if (side === 'top') {
+			var minTop = obj.top-obj.crop[1]/obj._ysf;
+			var maxTop = obj.top+obj.height-40;
+			var y = Math.max(Math.min(maxTop,draw.mouse[1]),minTop);
+			var dy = y - obj.top;
+			obj.top += dy;
+			obj.height -= dy;
+			obj.crop[1] += dy*obj._ysf;
+			obj.crop[3] -= dy*obj._ysf;
+		} else if (side === 'bottom') {
+			var bottom = Math.min(Math.max(draw.mouse[1],obj.top+40),obj._image.naturalHeight/obj._ysf);
+			obj.height = bottom-obj.top;
+			obj.crop[3] = obj.height*obj._ysf;
+		}
+		//drawSelectedPaths();
+	},
+	cropStop: function(e) {
+		//removeListenerMove(window,draw.image.cropMove);
+		//removeListenerEnd(window,draw.image.cropStop);
+		delete draw._drag;
+	}
+}
+draw.pdfPage = {
+	resizable: true,
+	add: function (url, pageIndex) {
+		deselectAllPaths(false);
+		changeDrawMode();
+		var pos = getRelPos([50, 50]);
+		draw.path.push({
+			obj: [{
+					_loaded: false,
+					type: 'pdfPage',
+					left: pos[0],
+					top: pos[1],
+					width: 1200,
+					height: 1850,
+					url: url,
+					pageIndex: pageIndex
+				}
+			],
+			selected: true,
+			trigger: []
+		});
+		draw.pdfPage.load(draw.path.last().obj[0]);
+	},
+	load: function (obj) {
+		var url = obj.url;
+		var pageIndex = obj.pageIndex;
+		if (un(draw.pdfsLoaded)) {
+			draw.pdfsLoaded = [];
+			draw.pdfsData = [];
+		}
+		var pdfIndex = draw.pdfsLoaded.indexOf(url);
+		if (pdfIndex > -1) {
+			obj._image = draw.pdfsData[pdfIndex][pageIndex];
+			obj._img = new Image();
+			obj._img.onload = function () {
+				obj._loaded = true;
+				obj.width = obj._img.naturalWidth;
+				obj.height = obj._img.naturalHeight;
+				obj.naturalWidth = obj._img.naturalWidth;
+				obj.naturalHeight = obj._img.naturalHeight;
+				updateBorder(draw.path.last());
+				drawCanvasPaths();
+			};
+			obj._img.src = obj._image;
+		} else {
+			draw.pdfsLoaded.push(url);
+			draw.pdfsData.push([]);
+			PDFJS.disableWorker = true;
+			PDFJS.getDocument(url).then(function getPdf(_pdf) {
+				var canvas = draw.hiddenCanvas;
+				var ctx = canvas.getContext('2d');
+				var currentPage = 1;
+				if (currentPage <= _pdf.numPages)
+					getPage();
+
+				function getPage() {
+					_pdf.getPage(currentPage).then(function (page) {
+						var scale = 1200 / 595.28;
+						var viewport = page.getViewport(scale);
+
+						canvas.height = viewport.height;
+						canvas.width = viewport.width;
+
+						var renderContext = {
+							canvasContext: ctx,
+							viewport: viewport
+						};
+
+						page.render(renderContext).then(function () {
+							draw.pdfsData.last().push(canvas.toDataURL());
+							if (currentPage < _pdf.numPages) {
+								currentPage++;
+								getPage();
+							} else {
+								done();
+							}
+						});
+					});
+				}
+
+				/*for(var i = 1; i <= _pdf.numPages; i++){
+				canvas.clearRect(0,0,1200,1850);
+				_pdf.getPage(i).then(function getPage(page){
+				var viewport = page.getViewport(1200/595.28);
+				page.render({canvasContext: ctx, viewport: viewport}).then(function() {
+				draw.pdfsData.last().push(canvas.toDataURL());
+				});
+				});
+				}*/
+				function done() {
+					obj._image = draw.pdfsData.last()[pageIndex];
+					obj._img = new Image();
+					obj._img.onload = function () {
+						obj._loaded = true;
+						obj.width = obj._img.naturalWidth;
+						obj.height = obj._img.naturalHeight;
+						obj.naturalWidth = obj._img.naturalWidth;
+						obj.naturalHeight = obj._img.naturalHeight;
+						updateBorder(draw.path.last());
+						drawCanvasPaths();
+					};
+					obj._img.src = obj._image;
+				}
+			});
+		}
+	},
+	draw: function (ctx, obj, path) {
+		if (obj._loaded == true) {
+			ctx.drawImage(obj._img, obj.left, obj.top, obj.width, obj.height);
+		} else {
+			draw.pdfPage.load(obj);
+		}
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.left += dl;
+		obj.top += dt;
+		obj.width += dw;
+		obj.height += dh;
+	},
+	scale: function (obj, sf, center) {
+		if (!un(center)) {
+			obj.left = center[0] + sf * (obj.left - center[0]);
+			obj.top = center[1] + sf * (obj.top - center[1]);
+		}
+		obj.width *= sf;
+		obj.height *= sf;
+	}
+}
+draw.point = {
+	add: function () {
+		deselectAllPaths(false);
+		changeDrawMode();
+		draw.path.push({
+			obj: [{
+					type: 'point',
+					center: getRelPos([150, 150]),
+					radius: 5,
+					color: draw.color,
+				}
+			],
+			selected: true,
+			trigger: []
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+	},
+	draw: function (ctx, obj, path) {
+		ctx.save();
+		ctx.fillStyle = obj.color;
+		ctx.beginPath();
+		ctx.arc(obj.center[0], obj.center[1], obj.radius, 0, 2 * Math.PI);
+		ctx.fill();
+		ctx.beginPath();
+		ctx.restore();
+	},
+	getRect: function (obj) {
+		obj._left = obj.center[0] - obj.radius;
+		obj._top = obj.center[1] - obj.radius;
+		obj._width = 2 * obj.radius;
+		obj._height = 2 * obj.radius;
+		return [obj._left, obj._top, obj._width, obj._height];
+	},
+	drawButton: function (ctx, size) {
+		draw.point.draw(ctx, {
+			center: [0.5 * size, 0.5 * size],
+			radius: 0.05 * size,
+			color: '#000'
+		});
+	},
+	scale: function (obj, sf, center) {
+		if (un(center))
+			var center = obj.center;
+		obj.center[0] = center[0] + sf * (obj.center[0] - center[0]);
+		obj.center[1] = center[1] + sf * (obj.center[1] - center[1]);
+		if (!un(obj.radius))
+			obj.radius *= sf;
+	},
+	getLineWidth: function (obj) {
+		return obj.radius;
+	},
+	getLineColor: function (obj) {
+		return obj.color;
+	},
+	getFillColor: function (obj) {
+		return obj.color;
+	},
+	setLineWidth: function (obj, value) {
+		obj.radius = value;
+	},
+	setLineColor: function (obj, value) {
+		obj.color = value;
+	},
+	setFillColor: function (obj, value) {
+		obj.color = value;
+	}
+}
+draw.circle = {
+	add: function () {
+		changeDrawMode('circle');
+	},
+	/*add: function() {
+	deselectAllPaths(false);
+	changeDrawMode();
+	draw.path.push({obj:[{
+	type:'circle',
+	center:[150,150],
+	radius:100,
+	lineWidth:draw.thickness,
+	lineColor:draw.color,
+	}],selected:true,trigger:[]});
+	updateBorder(draw.path.last());
+	drawCanvasPaths();
+	},*/
+	draw: function (ctx, obj, path) {
+		if (obj.radius <= 0)
+			return;
+		ctx.save();
+		ctx.strokeStyle = obj.color;
+		ctx.lineWidth = obj.thickness;
+		if (typeof ctx.setLineDash !== 'function')
+			ctx.setLineDash = function () {};
+		if (typeof obj.dash !== 'undefined')
+			ctx.setLineDash(obj.dash);
+		ctx.lineCap = 'round';
+		ctx.lineJoin = 'round';
+		if (typeof obj.fillColor !== 'undefined' && obj.fillColor !== 'none') {
+			ctx.save();
+			ctx.fillStyle = obj.fillColor;
+			ctx.beginPath();
+			ctx.arc(obj.center[0], obj.center[1], obj.radius, 0, 2 * Math.PI);
+			ctx.fill();
+			ctx.restore();
+		}
+		if (obj.showCenter == true || (draw.mode === 'edit' && path.selected == true && path.obj.length == 1)) {
+			ctx.save();
+			ctx.fillStyle = '#000';
+			ctx.beginPath();
+			ctx.arc(obj.center[0], obj.center[1], 3, 0, 2 * Math.PI);
+			ctx.fill();
+			ctx.restore();
+		}
+		ctx.beginPath();
+		ctx.arc(obj.center[0], obj.center[1], obj.radius, 0, 2 * Math.PI);
+		ctx.stroke();
+		ctx.setLineDash([]);
+		ctx.restore();
+		delete obj.left;
+		delete obj.top;
+		delete obj.width;
+		delete obj.height;
+	},
+	getRect: function (obj) {
+		obj._left = obj.center[0] - obj.radius;
+		obj._top = obj.center[1] - obj.radius;
+		obj._width = 2 * obj.radius;
+		obj._height = 2 * obj.radius;
+		return [obj._left, obj._top, obj._width, obj._height];
+	},
+	drawButton: function (ctx, size) {
+		ctx.strokeStyle = '#000';
+		ctx.lineWidth = 0.02 * size;
+		ctx.beginPath();
+		ctx.arc(0.5 * size, 0.5 * size, 0.3 * size, 0, 2 * Math.PI);
+		ctx.stroke();
+	},
+	scale: function (obj, sf, center) {
+		if (un(center))
+			var center = obj.center;
+		obj.center[0] = center[0] + sf * (obj.center[0] - center[0]);
+		obj.center[1] = center[1] + sf * (obj.center[1] - center[1]);
+		if (!un(obj.radius))
+			obj.radius *= sf;
+		if (!un(obj.lineWidth))
+			obj.lineWidth *= sf;
+	}
+}
+draw.ellipse = {
+	add: function () {
+		changeDrawMode('ellipse');
+	},
+	/*add: function() {
+	deselectAllPaths(false);
+	changeDrawMode();
+	draw.path.push({obj:[{
+	type:'ellipse',
+	center:[150,150],
+	radiusX:100,
+	radiusY:50,
+	lineWidth:draw.thickness,
+	lineColor:draw.color,
+	}],selected:true,trigger:[]});
+	updateBorder(draw.path.last());
+	drawCanvasPaths();
+	},*/
+	draw: function (ctx, obj, path) {
+		ctx.save();
+		ctx.strokeStyle = obj.color;
+		ctx.lineWidth = obj.thickness;
+		if (typeof ctx.setLineDash !== 'function')
+			ctx.setLineDash = function () {};
+		if (typeof obj.dash !== 'undefined')
+			ctx.setLineDash(obj.dash);
+		ctx.lineCap = 'round';
+		ctx.lineJoin = 'round';
+		if (typeof obj.fillColor !== 'undefined' && obj.fillColor !== 'none') {
+			ctx.save();
+			ctx.beginPath();
+			ctx.fillStyle = obj.fillColor;
+			ctx.ellipse(obj.center[0], obj.center[1], obj.radiusX, obj.radiusY, 0, 0, 2 * Math.PI);
+			ctx.fill();
+			ctx.restore();
+		}
+		if (obj.showCenter == true || (draw.mode === 'edit' && path.selected == true && path.obj.length == 1)) {
+			ctx.save();
+			ctx.beginPath();
+			ctx.fillStyle = '#000';
+			ctx.beginPath();
+			ctx.arc(obj.center[0], obj.center[1], 3, 0, 2 * Math.PI);
+			ctx.fill();
+			ctx.restore();
+		}
+
+		ctx.beginPath();
+		ctx.moveTo(obj.center[0] + obj.radius, obj.center[1]);
+		ctx.ellipse(obj.center[0], obj.center[1], obj.radiusX, obj.radiusY, 0, 0, 2 * Math.PI);
+		ctx.stroke();
+
+		ctx.setLineDash([]);
+		ctx.restore();
+	},
+	getRect: function (obj) {
+		obj._left = obj.center[0] - obj.radiusX;
+		obj._top = obj.center[1] - obj.radiusY;
+		obj._width = 2 * obj.radiusX;
+		obj._height = 2 * obj.radiusY;
+		return [obj._left, obj._top, obj._width, obj._height];
+	},
+	drawButton: function (ctx, size) {
+		ctx.strokeStyle = '#000';
+		ctx.lineWidth = 0.02 * size;
+		ctx.beginPath();
+		ctx.ellipse(0.5 * size, 0.5 * size, 0.3 * size, 0.15 * size, 0, 0, 2 * Math.PI);
+		ctx.stroke();
+	},
+	scale: function (obj, sf, center) {
+		if (un(center))
+			var center = obj.center;
+		obj.center[0] = center[0] + sf * (obj.center[0] - center[0]);
+		obj.center[1] = center[1] + sf * (obj.center[1] - center[1]);
+		if (!un(obj.radiusX))
+			obj.radiusX *= sf;
+		if (!un(obj.radiusY))
+			obj.radiusY *= sf;
+		if (!un(obj.lineWidth))
+			obj.lineWidth *= sf;
+	}
+}
+draw.angle = {
+	/*add: function(isArc) {
+	if (boolean(isArc,false) == true) {
+	drawLines = false;
+	} else {
+	drawLines = true;
+	}
+	deselectAllPaths(false);
+	changeDrawMode();
+	draw.path.push({obj:[{
+	type:'angle',
+	b:[900-draw.drawRelPos[0],200-draw.drawRelPos[1]],
+	radius:35,
+	angleC:0,
+	c:[900-draw.drawRelPos[0]+35*Math.cos(0),200-draw.drawRelPos[1]+35*Math.sin(0)],
+	angleA:-Math.PI/3,
+	a:[900-draw.drawRelPos[0]+35*Math.cos(-Math.PI/3),200-draw.drawRelPos[1]+35*Math.sin(-Math.PI/3)],
+	lineWidth:draw.thickness,
+	lineColor:draw.color,
+	fillColor:'none',
+	fill:true,
+	drawLines:drawLines,
+	squareForRight:false,
+	labelIfRight:true,
+	measureLabelOnly:true
+	}],selected:true,trigger:[]});
+	updateBorder(draw.path.last());
+	drawCanvasPaths();
+	},*/
+	add: function (x, y, r1, r2) {
+		deselectAllPaths(false);
+		changeDrawMode();
+		var pos = getRelPos([250, 150]);
+		if (un(x))
+			x = pos[0];
+		if (un(y))
+			y = pos[1];
+		if (un(r1))
+			r1 = 100;
+		if (un(r2))
+			r2 = 30;
+		var obj = {
+			type: 'angle',
+			style: 1,
+			b: [x, y],
+			radius: r2,
+			angleC: 0,
+			c: [x + r1 * Math.cos(0), y + r2 * Math.sin(0)],
+			angleA: -Math.PI / 3,
+			a: [x + r1 * Math.cos(-Math.PI / 3), y + r1 * Math.sin(-Math.PI / 3)],
+			lineWidth: draw.thickness,
+			lineColor: draw.color,
+			fillColor: 'none',
+			fill: true,
+			drawLines: true,
+			measureLabelOnly: true,
+			d: [],
+			calcD: function () {
+				this.angleA = posToAngle(this.a[0], this.a[1], this.b[0], this.b[1]);
+				this.d = [this.b[0] + this.radius * Math.cos(this.angleA), this.b[1] + this.radius * Math.sin(this.angleA)];
+			}
+		}
+		obj.calcD();
+		draw.path.push({
+			obj: [obj],
+			selected: true,
+			trigger: []
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+	},
+	draw: function (ctx, obj, path) {
+		ctx.strokeStyle = obj.color;
+		ctx.lineWidth = obj.thickness;
+		ctx.lineCap = 'round';
+		ctx.lineJoin = 'round';
+		var obj2 = clone(obj);
+		obj2.ctx = ctx;
+		obj._angleLabelPos = drawAngle(obj2);
+
+		if (draw.mode === 'edit' && path.obj.length == 1 && path.selected == true) {
+			if (obj.isSector !== true && obj.isArc !== true && obj.measureLabelOnly !== false) {
+				drawAngle({
+					ctx: ctx,
+					a: obj.a,
+					b: obj.b,
+					c: obj.c,
+					drawLines: false,
+					drawCurve: false,
+					radius: obj.radius,
+					lineColor: colorA('#000', 0.3),
+					labelMeasure: true,
+					labelFontSize: 25,
+					labelRadius: obj.radius + 3,
+					labelColor: colorA('#000', 0.3),
+					lineWidth: 2
+				});
+			}
+
+			ctx.save();
+			ctx.lineWidth = 1;
+			ctx.strokeStyle = '#000';
+			ctx.fillStyle = colorA('#F00', 1);
+			ctx.beginPath();
+			ctx.arc(obj.b[0], obj.b[1], 8, 0, 2 * Math.PI);
+			ctx.fill();
+			ctx.stroke();
+			ctx.beginPath();
+			ctx.arc(obj.a[0], obj.a[1], 8, 0, 2 * Math.PI);
+			ctx.fill();
+			ctx.stroke();
+			ctx.beginPath();
+			ctx.arc(obj.c[0], obj.c[1], 8, 0, 2 * Math.PI);
+			ctx.fill();
+			ctx.stroke();
+			if (!un(obj.d)) {
+				if (boolean(obj.recalcD, false)) {
+					if (!un(obj.calcD))
+						obj.calcD();
+					obj.recalcD = false;
+				}
+				ctx.beginPath();
+				ctx.arc(obj.d[0], obj.d[1], 8, 0, 2 * Math.PI);
+				ctx.fillStyle = '#F90';
+				ctx.fill();
+				ctx.stroke();
+			}
+			ctx.restore();
+		}
+	},
+	getRect: function (obj) {
+		if (!un(obj.d)) {
+			obj._left = Math.min(obj.a[0], obj.b[0], obj.c[0]) - 20;
+			obj._top = Math.min(obj.a[1], obj.b[1], obj.c[1]) - 20;
+			obj._width = Math.max(obj.a[0], obj.b[0], obj.c[0]) - obj._left + 40;
+			obj._height = Math.max(obj.a[1], obj.b[1], obj.c[1]) - obj._top + 40;
+		} else {
+			if (obj.isArc == true || obj.isSector == true) {
+				obj._left = Math.min(obj.a[0], obj.b[0], obj.c[0]) - 20;
+				obj._top = Math.min(obj.a[1], obj.b[1], obj.c[1]) - 20;
+				if (isPointInSector([obj.b[0] - 1, obj.b[1]], [obj.b[0], obj.b[1], 10, obj.angleA, obj.angleC]) == true) {
+					obj._left = obj.b[0] - obj.radius - 20;
+				}
+				if (isPointInSector([obj.b[0], obj.b[1] - 1], [obj.b[0], obj.b[1], 10, obj.angleA, obj.angleC]) == true) {
+					obj._top = obj.b[1] - obj.radius - 20;
+				}
+				obj._width = Math.max(obj.a[0], obj.b[0], obj.c[0]) + 20 - obj._left;
+				obj._height = Math.max(obj.a[1], obj.b[1], obj.c[1]) + 20 - obj._top;
+				if (isPointInSector([obj.b[0] + 1, obj.b[1]], [obj.b[0], obj.b[1], 10, obj.angleA, obj.angleC]) == true) {
+					obj._width = obj.b[0] + obj.radius + 20 - obj._left;
+				}
+				if (isPointInSector([obj.b[0], obj.b[1] + 1], [obj.b[0], obj.b[1], 10, obj.angleA, obj.angleC]) == true) {
+					obj._height = obj.b[1] + obj.radius + 20 - obj._top;
+				}
+			} else {
+				obj._left = obj.b[0] - obj.radius;
+				obj._top = obj.b[1] - obj.radius;
+				obj._width = 2 * obj.radius;
+				obj._height = 2 * obj.radius;
+			}
+		}
+		return [obj._left, obj._top, obj._width, obj._height];
+	},
+	getButtons: function (x1, y1, x2, y2, pathNum) {
+		var buttons = [];
+		if (un(pathNum))
+			return buttons;
+		if (un(draw.path[pathNum]))
+			return buttons;
+		var obj = draw.path[pathNum].obj[0];
+		if (un(obj.d)) {
+			buttons.push({
+				buttonType: 'angle-showLines',
+				shape: 'rect',
+				dims: [x2 - 20, y2 - 40, 20, 20],
+				cursor: draw.cursors.pointer,
+				func: draw.angle.showLines,
+				pathNum: pathNum
+			});
+		} else {
+			buttons.push({
+				buttonType: 'angle-showLines',
+				shape: 'rect',
+				dims: [x2 - 20, y1 + 20, 20, 20],
+				cursor: draw.cursors.pointer,
+				func: draw.angle.showLines,
+				pathNum: pathNum
+			});
+			buttons.push({
+				buttonType: 'angle-showAngle',
+				shape: 'rect',
+				dims: [x2 - 20, y1 + 40, 20, 20],
+				cursor: draw.cursors.pointer,
+				func: draw.angle.showAngle,
+				pathNum: pathNum
+			});
+			buttons.push({
+				buttonType: 'angle-numOfCurves',
+				shape: 'rect',
+				dims: [x2 - 20, y1 + 60, 20, 20],
+				cursor: draw.cursors.pointer,
+				func: draw.angle.numOfCurves,
+				pathNum: pathNum
+			});
+		}
+		return buttons;
+	},
+	getCursorPositionsSelected: function (obj, pathNum) {
+		var pos = [];
+		if (obj.isSector !== true && obj.isArc !== true) {
+			if (!un(obj._angleLabelPos)) {
+				pos.push({
+					shape: 'rect',
+					dims: obj._angleLabelPos,
+					cursor: draw.cursors.pointer,
+					func: draw.angle.showAngle,
+					pathNum: pathNum
+				});
+			}
+			pos.push({
+				shape: 'sector',
+				dims: [obj.b[0], obj.b[1], obj.radius, getAngleTwoPoints(obj.b, obj.a), getAngleTwoPoints(obj.b, obj.c)],
+				cursor: draw.cursors.pointer,
+				func: draw.angle.setAngleStyle,
+				pathNum: pathNum
+			});
+		}
+		pos.push({
+			shape: 'circle',
+			dims: [obj.b[0], obj.b[1], 8],
+			cursor: draw.cursors.pointer,
+			func: draw.angle.startDragB,
+			pathNum: pathNum
+		});
+		pos.push({
+			shape: 'circle',
+			dims: [obj.a[0], obj.a[1], 8],
+			cursor: draw.cursors.pointer,
+			func: draw.angle.startDragA,
+			pathNum: pathNum
+		});
+		pos.push({
+			shape: 'circle',
+			dims: [obj.c[0], obj.c[1], 8],
+			cursor: draw.cursors.pointer,
+			func: draw.angle.startDragC,
+			pathNum: pathNum
+		});
+		if (!un(obj.d)) {
+			pos.push({
+				shape: 'circle',
+				dims: [obj.d[0], obj.d[1], 8],
+				cursor: draw.cursors.pointer,
+				func: draw.angle.startDragD,
+				pathNum: pathNum
+			});
+		}
+		return pos;
+	},
+	startDragA: function () {
+		changeDrawMode('angleDragA');
+		draw.currPathNum = draw.currCursor.pathNum;
+		updateSnapPoints(); // update intersection points
+		draw.animate(draw.angle.posMove,draw.angle.posStop,drawCanvasPaths);		
+		//addListenerMove(window, draw.angle.posMove);
+		//addListenerEnd(window, draw.angle.posStop);
+	},
+	startDragB: function () {
+		changeDrawMode('angleDragB');
+		draw.currPathNum = draw.currCursor.pathNum;
+		var obj = draw.path[draw.currPathNum].obj[0];
+		draw.relPosA = getVectorAB(obj.b, obj.a);
+		draw.relPosC = getVectorAB(obj.b, obj.c);
+		if (!un(obj.d))
+			draw.relPosD = getVectorAB(obj.b, obj.d);
+		updateSnapPoints(); // update intersection points
+		drawCanvasPaths()
+		draw.animate(draw.angle.posMove,draw.angle.posStop,drawCanvasPaths);		
+		//addListenerMove(window, draw.angle.posMove);
+		//addListenerEnd(window, draw.angle.posStop);
+	},
+	startDragC: function () {
+		changeDrawMode('angleDragC');
+		draw.currPathNum = draw.currCursor.pathNum;
+		updateSnapPoints(); // update intersection points
+		draw.animate(draw.angle.posMove,draw.angle.posStop,drawCanvasPaths);		
+		//addListenerMove(window, draw.angle.posMove);
+		//addListenerEnd(window, draw.angle.posStop);
+	},
+	startDragD: function () {
+		changeDrawMode('angleDragD');
+		draw.currPathNum = draw.currCursor.pathNum;
+		updateSnapPoints(); // update intersection points
+		draw.animate(draw.angle.posMove,draw.angle.posStop,drawCanvasPaths);		
+		//addListenerMove(window, draw.angle.posMove);
+		//addListenerEnd(window, draw.angle.posStop);
+	},
+	posMove: function (e) {
+		updateMouse(e);
+		var pos = draw.mouse;
+		var pathNum = draw.currPathNum;
+		if (snapToObj2On || draw.snapLinesTogether)
+			pos = snapToObj2(pos, pathNum);
+		var obj = draw.path[pathNum].obj[0];
+		if (draw.drawMode == 'angleDragB') {
+			obj.b = pos;
+			obj.a = pointAddVector(obj.b, draw.relPosA);
+			obj.c = pointAddVector(obj.b, draw.relPosC);
+			if (!un(obj.d))
+				obj.d = pointAddVector(obj.b, draw.relPosD);
+		} else if (!un(obj.d)) {
+			if (draw.drawMode == 'angleDragA') {
+				obj.a = pos;
+				obj.recalcD = true;
+			} else if (draw.drawMode == 'angleDragC') {
+				obj.c = pos;
+				obj.recalcD = true;
+			} else if (draw.drawMode == 'angleDragD') {
+				obj.radius = getDist(obj.b, pos);
+				obj.calcD();
+				if (!un(obj.labelRadius)) {
+					obj.labelRadius = obj.radius + 3;
+				}
+			}
+		} else {
+			if (draw.drawMode == 'angleDragA') {
+				obj.angleA = getAngleTwoPoints(obj.b, pos);
+				obj.a = [obj.b[0] + obj.radius * Math.cos(obj.angleA), obj.b[1] + obj.radius * Math.sin(obj.angleA)];
+			} else if (draw.drawMode == 'angleDragC') {
+				obj.angleC = getAngleTwoPoints(obj.b, pos);
+				obj.c = [obj.b[0] + obj.radius * Math.cos(obj.angleC), obj.b[1] + obj.radius * Math.sin(obj.angleC)];
+			}
+		}
+		updateBorder(draw.path[pathNum]);
+		//drawSelectedPaths();
+		//drawSelectCanvas();
+		draw.prevX = mouse.x;
+		draw.prevY = mouse.y;
+	},
+	posStop: function (e) {
+		//removeListenerMove(window, draw.angle.posMove);
+		//removeListenerEnd(window, draw.angle.posStop);
+		changeDrawMode();
+	},
+	showLines: function () {
+		var pathNum = draw.currCursor.pathNum;
+		var obj = draw.path[pathNum].obj[0];
+		if (typeof obj.drawLines == 'undefined') {
+			obj.drawLines = false;
+		} else {
+			obj.drawLines = !obj.drawLines;
+		}
+		drawSelectedPaths();
+		drawSelectCanvas();
+	},
+	setAngleStyle: function () {
+		var pathNum = draw.currCursor.pathNum;
+		var obj = draw.path[pathNum].obj[0];
+		angleStyleIncrement(obj);
+		drawSelectedPaths();
+		drawSelectCanvas();
+	},
+	showAngle: function () {
+		var pathNum = draw.currCursor.pathNum;
+		var obj = draw.path[pathNum].obj[0];
+		obj.measureLabelOnly = !obj.measureLabelOnly;
+		obj.labelMeasure = true;
+		obj.labelFontSize = 25;
+		obj.labelRadius = obj.radius + 3;
+		drawSelectedPaths();
+		drawSelectCanvas();
+	},
+	numOfCurves: function () {
+		var pathNum = draw.currCursor.pathNum;
+		var obj = draw.path[pathNum].obj[0];
+		if (typeof obj.numOfCurves == 'undefined') {
+			obj.numOfCurves = 2;
+		} else {
+			obj.numOfCurves++;
+			if (obj.numOfCurves == 4)
+				obj.numOfCurves = 1;
+		}
+		drawSelectedPaths();
+		drawSelectCanvas();
+	},
+	drawButton: function (ctx, size) {
+		drawAngle({
+			ctx: ctx,
+			a: [0.55 * size, 0.3 * size],
+			b: [0.2 * size, 0.7 * size],
+			c: [0.8 * size, 0.7 * size],
+			fill: false,
+			radius: 0.3 * size,
+			drawLines: true,
+			lineWidth: 0.03 * size
+		});
+	},
+	scale: function (obj, sf, center) {
+		if (un(center))
+			var center = obj.b;
+		obj.a[0] = center[0] + sf * (obj.a[0] - center[0]);
+		obj.a[1] = center[1] + sf * (obj.a[1] - center[1]);
+		obj.b[0] = center[0] + sf * (obj.b[0] - center[0]);
+		obj.b[1] = center[1] + sf * (obj.b[1] - center[1]);
+		obj.c[0] = center[0] + sf * (obj.c[0] - center[0]);
+		obj.c[1] = center[1] + sf * (obj.c[1] - center[1]);
+		if (!un(obj.radius))
+			obj.radius *= sf;
+		if (!un(obj.lineWidth))
+			obj.lineWidth *= sf;
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.a[0] += dl;
+		obj.a[1] += dt;
+		obj.b[0] += dl;
+		obj.b[1] += dt;
+		obj.c[0] += dl;
+		obj.c[1] += dt;
+	}
+}
+draw.anglesAroundPoint = {
+	add: function (x, y, r1, a1, a2, a3) {
+		deselectAllPaths(false);
+		var pos = getRelPos([250, 150]);
+		if (un(x))
+			x = pos[0];
+		if (un(y))
+			y = pos[1];
+		if (un(r1))
+			r1 = 100;
+		if (un(a1))
+			a1 = (1 / 3) * Math.PI;
+		if (un(a2))
+			a2 = (1 / 1) * Math.PI;
+		if (un(a3))
+			a3 = (5 / 3) * Math.PI;
+		var angles = [{
+				style: 1,
+				radius: 30,
+				labelMeasure: true,
+				labelFontSize: 25,
+				labelRadius: 33,
+				drawCurve: true,
+				measureLabelOnly: true
+			}, {
+				style: 1,
+				radius: 30,
+				labelMeasure: true,
+				labelFontSize: 25,
+				labelRadius: 33,
+				drawCurve: true,
+				measureLabelOnly: true
+			}, {
+				style: 1,
+				radius: 30,
+				labelMeasure: true,
+				labelFontSize: 25,
+				labelRadius: 33,
+				drawCurve: true,
+				measureLabelOnly: true
+			}
+		];
+		draw.path.push({
+			obj: [{
+					type: 'anglesAroundPoint',
+					center: [x, y],
+					points: [
+						[x + r1 * Math.cos(a1), y + r1 * Math.sin(a1)],
+						[x + r1 * Math.cos(a2), y + r1 * Math.sin(a2)],
+						[x + r1 * Math.cos(a3), y + r1 * Math.sin(a3)],
+					],
+					color: draw.color,
+					thickness: draw.thickness,
+					angles: angles,
+					radius: r1
+				}
+			],
+			selected: true,
+			trigger: []
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+		changeDrawMode();
+	},
+	draw: function (ctx, obj, path) {
+		ctx.strokeStyle = obj.color;
+		ctx.lineWidth = obj.thickness;
+		if (typeof ctx.setLineDash !== 'function')
+			ctx.setLineDash = function () {};
+		if (typeof obj.dash !== 'undefined')
+			ctx.setLineDash(obj.dash);
+		if (obj.points.length > 1) {
+			var obj2 = clone(obj);
+			for (var p = 0; p < obj2.points.length; p++) {
+				obj2.points[p][0] = obj2.points[p][0];
+				obj2.points[p][1] = obj2.points[p][1];
+			}
+			if (typeof obj2.angles !== 'undefined') {
+				for (var a = 0; a < obj2.angles.length; a++) {
+					if (typeof obj2.angles[a] == 'object' && obj2.angles[a] !== null) {
+						if (typeof obj2.angles[a].lineWidth !== 'undefined') {
+							obj2.angles[a].lineWidth = obj2.angles[a].lineWidth;
+						}
+						if (typeof obj2.angles[a].labelRadius !== 'undefined') {
+							obj2.angles[a].labelRadius = obj2.angles[a].labelRadius;
+						}
+						if (typeof obj2.angles[a].labelFontSize !== 'undefined') {
+							obj2.angles[a].labelFontSize = obj2.angles[a].labelFontSize;
+						}
+						if (typeof obj2.angles[a].radius !== 'undefined') {
+							obj2.angles[a].radius = obj2.angles[a].radius;
+						}
+					}
+				}
+			}
+			obj2.center = [obj.center[0], obj.center[1]];
+			obj2.thickness = obj2.thickness;
+			obj2.ctx = ctx;
+			obj._angleLabelPos = drawAnglesAroundPoint(obj2);
+		}
+		ctx.setLineDash([]);
+
+		if (path.obj.length == 1) {
+			ctx.lineWidth = 1;
+			ctx.strokeStyle = '#000';
+			ctx.fillStyle = '#F00';
+			var angleObj = {
+				ctx: ctx,
+				drawLines: false,
+				radius: 30,
+				lineColor: colorA(obj.color, 0.3),
+				labelMeasure: true,
+				labelFontSize: 25,
+				labelRadius: 33,
+				labelColor: colorA(obj.color, 0.3),
+				lineWidth: 2
+			};
+			for (var k = 0; k < obj.points.length; k++) {
+				if ((path.selected == true || (obj.drawing == true && k > 0 && k < obj.points.length - 1)) && (un(obj.angles) || un(obj.angles[k]) || (!un(obj.angles[k]) && (obj.angles[k].drawCurve == false || obj.angles[k].measureLabelOnly == true)))) {
+					if (!un(obj.angles) && !un(obj.angles[k])) angleObj.measureLabelOnly = !obj.angles[k].measureLabelOnly;
+					if (!un(obj.angles) && !un(obj.angles[k])) angleObj.drawCurve = !obj.angles[k].drawCurve;
+					angleObj.b = obj.center;
+					angleObj.a = obj.points[k];
+					if (k == obj.points.length - 1) {
+						angleObj.c = obj.points[0];
+					} else {
+						angleObj.c = obj.points[k + 1];
+					}
+					drawAngle(angleObj);
+				}
+				if (path.selected == true) {
+					ctx.beginPath();
+					ctx.arc(obj.points[k][0], obj.points[k][1], 7, 0, 2 * Math.PI);
+					ctx.fill();
+					ctx.stroke();
+				}
+			}
+		}
+	},
+	getRect: function (obj) {
+		obj._left = obj.center[0] - 65;
+		obj._top = obj.center[1] - 65;
+		obj._right = obj.center[0] + 65;
+		obj._bottom = obj.center[1] + 65;
+		for (var j = 0; j < obj.points.length; j++) {
+			obj._left = Math.min(obj._left, obj.points[j][0] - 65);
+			obj._top = Math.min(obj._top, obj.points[j][1] - 65);
+			obj._right = Math.max(obj._right, obj.points[j][0] + 65);
+			obj._bottom = Math.max(obj._bottom, obj.points[j][1] + 65);
+		}
+		obj._width = obj._right - obj._left;
+		obj._height = obj._bottom - obj._top;
+		return [obj._left, obj._top, obj._width, obj._height];
+	},
+	getButtons: function (x1, y1, x2, y2, pathNum) {
+		var buttons = [];
+		buttons.push({
+			buttonType: 'anglesAroundPoint-pointsMinus',
+			shape: 'rect',
+			dims: [x2 - 20, y2 - 40, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.anglesAroundPoint.pointsMinus,
+			pathNum: pathNum
+		});
+		buttons.push({
+			buttonType: 'anglesAroundPoint-pointsPlus',
+			shape: 'rect',
+			dims: [x2 - 20, y2 - 60, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.anglesAroundPoint.pointsPlus,
+			pathNum: pathNum
+		});
+		buttons.push({
+			buttonType: 'anglesAroundPoint-fixRadius',
+			shape: 'rect',
+			dims: [x2 - 20, y2 - 80, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.anglesAroundPoint.fixRadius,
+			pathNum: pathNum
+		});
+		return buttons;
+	},
+	getCursorPositionsSelected: function (obj, pathNum) {
+		var pos = [];
+		for (var k = 0; k < obj.points.length; k++) {
+			if (!un(obj._angleLabelPos) && !un(obj._angleLabelPos[k])) {
+				pos.push({
+					shape: 'rect',
+					dims: obj._angleLabelPos[k],
+					cursor: draw.cursors.pointer,
+					func: draw.anglesAroundPoint.toggleLabel,
+					pathNum: pathNum,
+					point: k
+				});
+			}
+		}
+		for (var k = 0; k < obj.points.length; k++) {
+			var next = k + 1;
+			if (k == obj.points.length - 1)
+				next = 0;
+			pos.push({
+				shape: 'sector',
+				dims: [obj.center[0], obj.center[1], 30, getAngleTwoPoints(obj.center, obj.points[k]), getAngleTwoPoints(obj.center, obj.points[next])],
+				cursor: draw.cursors.pointer,
+				func: draw.anglesAroundPoint.toggleAngle,
+				pathNum: pathNum,
+				point: k
+			});
+			pos.push({
+				shape: 'circle',
+				dims: [obj.points[k][0], obj.points[k][1], 8],
+				cursor: draw.cursors.pointer,
+				func: draw.anglesAroundPoint.startPointDrag,
+				pathNum: pathNum,
+				point: k
+			});
+		}
+		return pos;
+	},
+	pointsMinus: function (path) {
+		if (un(path)) {
+			if (!un(draw.currCursor.pathNum)) {
+				path = draw.path[draw.currCursor.pathNum];
+			} else {
+				path = selPath();
+			}
+		}
+		var obj = path.obj[0];
+		if (obj.points.length > 2) {
+			if (!un(obj.angles) && !un(obj.angles[obj.points.length - 1]))
+				obj.angles[obj.points.length - 1] = null;
+			obj.points.pop();
+			obj.angles.pop();
+			obj._angleLabelPos.pop();
+		}
+		updateBorder(path);
+		drawCanvasPaths();
+		drawSelectCanvas();
+	},
+	pointsPlus: function (path) {
+		if (un(path)) {
+			if (!un(draw.currCursor.pathNum)) {
+				path = draw.path[draw.currCursor.pathNum];
+			} else {
+				path = selPath();
+			}
+		}
+		var obj = path.obj[0];
+		var theta1 = 2 * Math.PI - posToAngle(obj.points[0][0], obj.points[0][1], obj.center[0], obj.center[1]);
+		var theta2 = 2 * Math.PI - posToAngle(obj.points[obj.points.length - 1][0], obj.points[obj.points.length - 1][1], obj.center[0], obj.center[1]);
+		if (theta2 < theta1)
+			theta1 -= 2 * Math.PI;
+		obj.points.push(angleToPos((theta1 + theta2) / 2, obj.center[0], obj.center[1], obj.radius));
+		obj.angles.push({
+			style: 1,
+			radius: 30,
+			labelMeasure: true,
+			labelFontSize: 25,
+			labelRadius: 33,
+			drawCurve: true,
+			measureLabelOnly: true
+		});
+		updateBorder(path);
+		drawCanvasPaths();
+		drawSelectCanvas();
+	},
+	fixRadius: function () {
+		var path = draw.path[draw.currCursor.pathNum];
+		var obj = path.obj[0];
+		draw.anglesAroundPoint.fixToRadius(obj);
+	},
+	fixToRadius: function (obj) {
+		for (var p = 0; p < obj.points.length; p++) {
+			var theta = 2 * Math.PI - posToAngle(obj.points[p][0], obj.points[p][1], obj.center[0], obj.center[1]);
+			obj.points[p] = angleToPos(theta, obj.center[0], obj.center[1], obj.radius);
+		}
+		var pathNum = draw.currCursor.pathNum;
+		updateBorder(draw.path[pathNum]);
+		drawSelectedPaths();
+		drawSelectCanvas();
+	},
+	startPointDrag: function () {
+		changeDrawMode('anglesAroundPointDrag');
+		draw.currPathNum = draw.currCursor.pathNum;
+		draw.currPoint = draw.currCursor.point;
+		updateSnapPoints(); // update intersection points
+		draw.animate(draw.anglesAroundPoint.pointMove,draw.anglesAroundPoint.pointStop,drawCanvasPaths);		
+		//addListenerMove(window, draw.anglesAroundPoint.pointMove);
+		//addListenerEnd(window, draw.anglesAroundPoint.pointStop);
+	},
+	pointMove: function (e) {
+		updateMouse(e);
+		var pos = draw.mouse;
+		if (snapToObj2On || draw.snapLinesTogether)
+			pos = snapToObj2(pos, draw.currPathNum);
+		var pathNum = draw.currPathNum;
+		var point = draw.currPoint;
+		var obj = draw.path[pathNum].obj[0];
+		obj.points[point] = pos;
+		if (shiftOn) {
+			var angle = getAngleTwoPoints(obj.center, [mouse.x, mouse.y]);
+			if (angle < 0)
+				angle += 2 * Math.PI;
+			var len = getDist(obj.center, pos);
+			var snap = (roundToNearest(roundToNearest(angle, Math.PI / 2) / (Math.PI / 2), 1)) % 4;
+			if (snap == 0) {
+				obj.points[point] = [obj.center[0] + len, obj.center[1]];
+			} else if (snap == 1) {
+				obj.points[point] = [obj.center[0], obj.center[1] + len];
+			} else if (snap == 2) {
+				obj.points[point] = [obj.center[0] - len, obj.center[1]];
+			} else if (snap == 3) {
+				obj.points[point] = [obj.center[0], obj.center[1] - len];
+			}
+		}
+		prevPoint = point - 1;
+		if (prevPoint < 0)
+			prevPoint = obj.points.length - 1;
+		var angle1 = posToAngle(obj.points[prevPoint][0], obj.points[prevPoint][1], obj.center[0], obj.center[1]);
+		var angle2 = posToAngle(obj.points[point][0], obj.points[point][1], obj.center[0], obj.center[1]);
+		nextPoint = point + 1;
+		if (nextPoint > obj.points.length - 1)
+			nextPoint = 0;
+		var angle3 = posToAngle(obj.points[nextPoint][0], obj.points[nextPoint][1], obj.center[0], obj.center[1]);
+
+		if ((angle1 < angle2 && angle2 < angle3) || // order 123
+			(angle2 < angle3 && angle3 < angle1) || // order 231
+			(angle3 < angle1 && angle1 < angle2)) { // order 312
+		} else {
+			if (Math.abs(angle2 - angle1) < Math.abs(angle3 - angle2)) {
+				// swap prevPoint & point
+				var prev1 = clone(obj.points[prevPoint]);
+				var prev2 = clone(obj.points[point]);
+				obj.points[point] = prev1;
+				obj.points[prevPoint] = prev2;
+				var prevA1 = clone(obj.angles[prevPoint]);
+				var prevA2 = clone(obj.angles[point]);
+				obj.angles[point] = prevA1;
+				obj.angles[prevPoint] = prevA2;
+				draw.currPoint = prevPoint;
+			} else {
+				// swap point & nextPoint
+				var prev1 = clone(obj.points[nextPoint]);
+				var prev2 = clone(obj.points[point]);
+				obj.points[point] = prev1;
+				obj.points[nextPoint] = prev2;
+				var prevA1 = clone(obj.angles[nextPoint]);
+				var prevA2 = clone(obj.angles[point]);
+				obj.angles[point] = prevA1;
+				obj.angles[nextPoint] = prevA2;
+				draw.currPoint = nextPoint;
+			}
+		}
+
+		updateBorder(draw.path[pathNum]);
+		//drawSelectedPaths();
+		//drawSelectCanvas();
+		draw.prevX = mouse.x;
+		draw.prevY = mouse.y;
+	},
+	pointStop: function (e) {
+		var pathNum = draw.currPathNum;
+		var point = draw.currPoint;
+		var obj = draw.path[pathNum].obj[0];
+		if (draw.gridSnap == true) {
+			obj.points[point][0] = roundToNearest(obj.points[point][0], draw.gridSnapSize);
+			obj.points[point][1] = roundToNearest(obj.points[point][1], draw.gridSnapSize);
+			updateBorder(draw.path[pathNum]);
+			drawSelectedPaths();
+			drawSelectCanvas();
+		}
+		//removeListenerMove(window, draw.anglesAroundPoint.pointMove);
+		//removeListenerEnd(window, draw.anglesAroundPoint.pointStop);
+		changeDrawMode();
+	},
+	setAngleStyle: function (e) {
+		updateMouse(e);
+		var obj = draw.path[draw.currCursor.pathNum].obj[0];
+		var mouseAngle = posToAngle(mouse.x, mouse.y, obj.center[0] + draw.drawRelPos[0], obj.center[1] + draw.drawRelPos[1]);
+
+		var angles = [];
+		var p = -1;
+		for (var i = 0; i < obj.points.length; i++) {
+			angles[i] = posToAngle(obj.points[i][0], obj.points[i][1], obj.center[0], obj.center[1]);
+		}
+
+		for (var i = 0; i < angles.length; i++) {
+			var a1 = angles[i];
+			if (i < angles.length - 1) {
+				var a2 = angles[i + 1];
+			} else {
+				var a2 = angles[0];
+			}
+			if (a1 < a2 && mouseAngle > a1 && mouseAngle < a2) {
+				p = i;
+				break;
+			} else if (a1 > a2) {
+				if (mouseAngle > a1 || mouseAngle < a2) {
+					p = i;
+					break;
+				}
+			}
+		}
+		angleStyleIncrement(obj.angles[p]);
+		var pathNum = draw.currCursor.pathNum;
+		updateBorder(draw.path[pathNum]);
+		drawSelectedPaths();
+	},
+	toggleLabel: function () {
+		if (!un(draw.currCursor.pathNum)) {
+			var path = draw.path[draw.currCursor.pathNum];
+		} else {
+			var path = selPath();
+		}
+		var obj = path.obj[0];
+		if (obj.type !== 'anglesAroundPoint')
+			return;
+		var p = draw.currCursor.point;
+		if (un(obj.angles))
+			obj.angles = [];
+		if (un(obj.angles[p]))
+			obj.angles[p] = {
+				style: 0,
+				radius: 30,
+				labelMeasure: true,
+				labelFontSize: 25,
+				labelRadius: 33,
+				drawCurve: false,
+				measureLabelOnly: true
+			};
+		obj.angles[p].measureLabelOnly = !obj.angles[p].measureLabelOnly;
+		drawCanvasPaths();
+	},
+	toggleAngle: function (path) {
+		if (!un(draw.currCursor.pathNum)) {
+			var path = draw.path[draw.currCursor.pathNum];
+		} else {
+			var path = selPath();
+		}
+		var obj = path.obj[0];
+		if (obj.type !== 'anglesAroundPoint')
+			return;
+		var p = draw.currCursor.point;
+		if (un(obj.angles))
+			obj.angles = [];
+		if (un(obj.angles[p]))
+			obj.angles[p] = {
+				style: 0,
+				radius: 30,
+				labelMeasure: true,
+				labelFontSize: 25,
+				labelRadius: 33,
+				measureLabelOnly: true
+			};
+		//obj.angles[p].drawCurve = !obj.angles[p].drawCurve;
+		angleStyleIncrement(obj.angles[p]);
+		drawCanvasPaths();
+	},
+	drawButton: function (ctx, size) {
+		drawAnglesAroundPoint({
+			ctx: ctx,
+			center: [0.5 * size, 0.4 * size],
+			points: [[0.15 * size, 0.4 * size], [0.8 * size, 0.2 * size], [0.6 * size, 0.7 * size]],
+			lineColor: '#000',
+			thickness: 0.03 * size,
+			angles: [{
+					fill: true,
+					fillColor: "#CFC",
+					lineWidth: 0.02 * size,
+					labelFontSize: 0.25 * size,
+					labelMeasure: false,
+					labelRadius: 0.33 * size,
+					radius: 0.2 * size
+				}, {
+					fill: true,
+					fillColor: "#FCC",
+					lineWidth: 0.02 * size,
+					labelFontSize: 0.25 * size,
+					labelMeasure: false,
+					labelRadius: 0.33 * size,
+					radius: 0.2 * size
+				}, {
+					fill: true,
+					fillColor: "#CCF",
+					lineWidth: 0.02 * size,
+					labelFontSize: 0.25 * size,
+					labelMeasure: false,
+					labelRadius: 0.33 * size,
+					radius: 0.2 * size
+				},
+			]
+		});
+	},
+	scale: function (obj, sf, center) {
+		if (un(center))
+			var center = obj.center;
+		obj.center[0] = center[0] + sf * (obj.center[0] - center[0]);
+		obj.center[1] = center[1] + sf * (obj.center[1] - center[1]);
+		for (var p = 0; p < obj.points.length; p++) {
+			obj.points[p][0] = center[0] + sf * (obj.points[p][0] - center[0]);
+			obj.points[p][1] = center[1] + sf * (obj.points[p][1] - center[1]);
+		}
+		if (!un(obj.radius))
+			obj.radius *= sf;
+		if (!un(obj.thickness))
+			obj.thickness *= sf;
+		if (!un(obj.dash)) {
+			if (!un(obj.dash[0]))
+				obj.dash[0] *= sf;
+			if (!un(obj.dash[1]))
+				obj.dash[1] *= sf;
+		}
+	},
+	getControlPanel: function (obj) {
+		var elements = [{
+				name: 'Style',
+				type: 'style'
+			}, {
+				name: 'Vertices',
+				type: 'increment',
+				increment: function (obj, value) {
+					if (value == 1) {
+						draw.anglesAroundPoint.pointsPlus();
+					} else {
+						draw.anglesAroundPoint.pointsMinus();
+					}
+				}
+			}
+		];
+		return {
+			obj: obj,
+			elements: elements
+		};
+	}
+};
+draw.anglesOnLine = {
+	add: function () {
+		draw.anglesAroundPoint.add(undefined, undefined, undefined, Math.PI, (4 / 3) * Math.PI, 2 * Math.PI);
+		draw.path.last().obj[0].angles.last().drawCurve = false;
+		draw.path.last().obj[0].angles.last().style = 0;
+		drawCanvasPaths();
+	},
+	drawButton: function (ctx, size) {
+		drawAnglesAroundPoint({
+			ctx: ctx,
+			center: [0.5 * size, 0.6 * size],
+			points: [[0.2 * size, 0.6 * size], [0.4 * size, 0.3 * size], [0.8 * size, 0.6 * size]],
+			lineColor: '#000',
+			thickness: 0.03 * size,
+			angles: [{
+					fill: true,
+					fillColor: "#CFC",
+					lineWidth: 0.02 * size,
+					labelFontSize: 0.25 * size,
+					labelMeasure: false,
+					labelRadius: 0.33 * size,
+					radius: 0.2 * size
+				}, {
+					fill: true,
+					fillColor: "#CCF",
+					lineWidth: 0.02 * size,
+					labelFontSize: 0.25 * size,
+					labelMeasure: false,
+					labelRadius: 0.33 * size,
+					radius: 0.2 * size
+				}
+			]
+		});
+	}
+};
+draw.tick = {
+	resizable: true,
+	add: function () {
+		deselectAllPaths();
+		var obj = {
+			type: 'tick',
+			rect: [100 - draw.drawRelPos[0], 100 - draw.drawRelPos[1], 50, 60],
+			lineWidth: 10,
+			lineColor: '#060'
+		};
+		draw.path.push({
+			obj: [obj],
+			selected: true
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+	},
+	draw: function (ctx, obj) {
+		drawTick(ctx, obj.rect[2], obj.rect[3], obj.lineColor, obj.rect[0], obj.rect[1], obj.lineWidth);
+	},
+	getRect: function (obj) {
+		var rect = clone(obj.rect).concat([obj.rect[0] + obj.rect[2], obj.rect[1] + obj.rect[3]]);
+		return rect;
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.rect[0] += dl;
+		obj.rect[1] += dt;
+		obj.rect[2] += dw;
+		obj.rect[3] += dh;
+	},
+	getCursorPositionsUnselected: function (obj, pathNum) {
+		return [{
+				shape: 'rect',
+				dims: obj.rect,
+				cursor: draw.cursors.pointer,
+				func: drawClickSelect,
+				obj: obj,
+				pathNum: pathNum,
+				highlight: -1
+			}
+		];
+	},
+	setLineWidth: function (obj, lineWidth) {
+		obj.lineWidth = lineWidth;
+	},
+	setLineColor: function (obj, color) {
+		obj.lineColor = color;
+	},
+	getLineWidth: function (obj) {
+		return obj.lineWidth;
+	},
+	getLineColor: function (obj) {
+		return obj.lineColor;
+	},
+	drawButton: function (ctx, size, type) {
+		var rect = [(60 * size / 100) / 2, (52 * size / 100) / 2, 40 * size / 100, 48 * size / 100];
+		draw.tick.draw(ctx, {
+			type: 'tick',
+			rect: rect,
+			lineWidth: 8 * size / 100,
+			lineColor: '#060'
+		});
+	},
+	scale: function (obj, sf, center) {
+		if (!un(center)) {
+			obj.rect[0] = center[0] + sf * (obj.rect[0] - center[0]);
+			obj.rect[1] = center[1] + sf * (obj.rect[1] - center[1]);
+		}
+		obj.rect[2] *= sf;
+		obj.rect[3] *= sf;
+		if (!un(obj.lineWidth))
+			obj.lineWidth *= sf;
+	}
+}
+draw.cross = {
+	resizable: true,
+	add: function () {
+		deselectAllPaths();
+		var obj = {
+			type: 'cross',
+			rect: [100 - draw.drawRelPos[0], 100 - draw.drawRelPos[1], 50, 60],
+			lineWidth: 10,
+			lineColor: '#F00'
+		};
+		draw.path.push({
+			obj: [obj],
+			selected: true
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+	},
+	draw: function (ctx, obj) {
+		drawCross(ctx, obj.rect[2], obj.rect[3], obj.lineColor, obj.rect[0], obj.rect[1], obj.lineWidth);
+	},
+	getRect: function (obj) {
+		var rect = clone(obj.rect).concat([obj.rect[0] + obj.rect[2], obj.rect[1] + obj.rect[3]]);
+		return rect;
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.rect[0] += dl;
+		obj.rect[1] += dt;
+		obj.rect[2] += dw;
+		obj.rect[3] += dh;
+	},
+	getCursorPositionsUnselected: function (obj, pathNum) {
+		return [{
+				shape: 'rect',
+				dims: obj.rect,
+				cursor: draw.cursors.pointer,
+				func: drawClickSelect,
+				obj: obj,
+				pathNum: pathNum,
+				highlight: -1
+			}
+		];
+	},
+	setLineWidth: function (obj, lineWidth) {
+		obj.lineWidth = lineWidth;
+	},
+	setLineColor: function (obj, color) {
+		obj.lineColor = color;
+	},
+	getLineWidth: function (obj) {
+		return obj.lineWidth;
+	},
+	getLineColor: function (obj) {
+		return obj.lineColor;
+	},
+	drawButton: function (ctx, size, type) {
+		var rect = [(60 * size / 100) / 2, (52 * size / 100) / 2, 40 * size / 100, 48 * size / 100];
+		draw.cross.draw(ctx, {
+			type: 'cross',
+			rect: rect,
+			lineWidth: 8 * size / 100,
+			lineColor: '#F00'
+		});
+	},
+	scale: function (obj, sf, center) {
+		if (!un(center)) {
+			obj.rect[0] = center[0] + sf * (obj.rect[0] - center[0]);
+			obj.rect[1] = center[1] + sf * (obj.rect[1] - center[1]);
+		}
+		obj.rect[2] *= sf;
+		obj.rect[3] *= sf;
+		if (!un(obj.lineWidth))
+			obj.lineWidth *= sf;
+	}
+};
+draw.calc = {
+	resizable: true,
+	add: function () {
+		deselectAllPaths();
+		var obj = {
+			type: 'calc',
+			rect: [100 - draw.drawRelPos[0], 100 - draw.drawRelPos[1], 50, 60],
+			lineWidth: 10,
+			lineColor: '#060'
+		};
+		draw.path.push({
+			obj: [obj],
+			selected: true
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+	},
+	draw: function (ctx, obj) {
+		drawCalcAllowedButton2(ctx, obj.rect[0], obj.rect[1], obj.rect[2], true, '#CFC');
+	},
+	getRect: function (obj) {
+		var rect = clone(obj.rect).concat([obj.rect[0] + obj.rect[2], obj.rect[1] + obj.rect[3]]);
+		return rect;
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.rect[0] += dl;
+		obj.rect[1] += dt;
+		obj.rect[2] += dw;
+		obj.rect[3] = obj.rect[2];
+	},
+	getCursorPositionsUnselected: function (obj, pathNum) {
+		return [{
+				shape: 'rect',
+				dims: obj.rect,
+				cursor: draw.cursors.pointer,
+				func: drawClickSelect,
+				obj: obj,
+				pathNum: pathNum,
+				highlight: -1
+			}
+		];
+	},
+	drawButton: function (ctx, size, type) {
+		var rect = [(40 * size / 100) / 2, (40 * size / 100) / 2, 60 * size / 100, 50 * size / 100];
+		draw.calc.draw(ctx, {
+			type: 'calc',
+			rect: rect
+		});
+	},
+	scale: function (obj, sf, center) {
+		if (!un(center)) {
+			obj.rect[0] = center[0] + sf * (obj.rect[0] - center[0]);
+			obj.rect[1] = center[1] + sf * (obj.rect[1] - center[1]);
+		}
+		obj.rect[2] *= sf;
+		obj.rect[3] *= sf;
+		if (!un(obj.lineWidth))
+			obj.lineWidth *= sf;
+	}
+}
+draw.noncalc = {
+	resizable: true,
+	add: function () {
+		deselectAllPaths();
+		var obj = {
+			type: 'noncalc',
+			rect: [100 - draw.drawRelPos[0], 100 - draw.drawRelPos[1], 50, 60],
+			lineWidth: 10,
+			lineColor: '#060'
+		};
+		draw.path.push({
+			obj: [obj],
+			selected: true
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+	},
+	draw: function (ctx, obj) {
+		drawCalcAllowedButton2(ctx, obj.rect[0], obj.rect[1], obj.rect[2], false, '#FCF');
+	},
+	getRect: function (obj) {
+		var rect = clone(obj.rect).concat([obj.rect[0] + obj.rect[2], obj.rect[1] + obj.rect[3]]);
+		return rect;
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.rect[0] += dl;
+		obj.rect[1] += dt;
+		obj.rect[2] += dw;
+		obj.rect[3] = obj.rect[2];
+	},
+	getCursorPositionsUnselected: function (obj, pathNum) {
+		return [{
+				shape: 'rect',
+				dims: obj.rect,
+				cursor: draw.cursors.pointer,
+				func: drawClickSelect,
+				obj: obj,
+				pathNum: pathNum,
+				highlight: -1
+			}
+		];
+	},
+	drawButton: function (ctx, size, type) {
+		var rect = [(40 * size / 100) / 2, (40 * size / 100) / 2, 60 * size / 100, 50 * size / 100];
+		draw.noncalc.draw(ctx, {
+			type: 'noncalc',
+			rect: rect
+		});
+	},
+	scale: function (obj, sf, center) {
+		if (!un(center)) {
+			obj.rect[0] = center[0] + sf * (obj.rect[0] - center[0]);
+			obj.rect[1] = center[1] + sf * (obj.rect[1] - center[1]);
+		}
+		obj.rect[2] *= sf;
+		obj.rect[3] *= sf;
+		if (!un(obj.lineWidth))
+			obj.lineWidth *= sf;
+	}
+}
+draw.sphere = {
+	resizable: true,
+	add: function () {
+		deselectAllPaths();
+		var obj = {
+			type: 'sphere',
+			color: draw.color,
+			thickness: draw.thickness,
+			fillColor: draw.fillColor,
+			center: [100 - draw.drawRelPos[0], 100 - draw.drawRelPos[1]],
+			radius: 50,
+			showCenter: false
+		};
+		draw.path.push({
+			obj: [obj],
+			selected: true
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+	},
+	draw: function (ctx, obj) {
+		if (obj.radius <= 0)
+			return;
+		ctx.save();
+		ctx.strokeStyle = obj.color;
+		ctx.lineWidth = obj.thickness;
+		if (typeof ctx.setLineDash !== 'function')
+			ctx.setLineDash = function () {};
+		var startAngle = obj.hemisphere === true ? Math.PI : 0;
+		ctx.beginPath();
+		ctx.arc(obj.center[0], obj.center[1], obj.radius, startAngle, 2 * Math.PI);
+		ctx.stroke();
+
+		ctx.lineWidth = obj.thickness / 2;
+		ctx.setLineDash([5, 5]);
+		ctx.beginPath();
+		ctx.moveTo(obj.center[0] - obj.radius, obj.center[1]);
+		ctx.ellipse(obj.center[0], obj.center[1], obj.radius, obj.radius * 0.3, 0, Math.PI, 2 * Math.PI);
+		ctx.stroke();
+
+		if (obj.hemisphere === true)
+			ctx.lineWidth = obj.thickness;
+		ctx.beginPath();
+		ctx.setLineDash([]);
+		ctx.ellipse(obj.center[0], obj.center[1], obj.radius, obj.radius * 0.3, 0, 0, Math.PI);
+		ctx.stroke();
+		ctx.restore();
+	},
+	getRect: function (obj) {
+		if (obj.hemisphere === true) {
+			var rect = [obj.center[0] - obj.radius, obj.center[1] - obj.radius, obj.radius * 2, obj.radius * 1.3];
+		} else {
+			var rect = [obj.center[0] - obj.radius, obj.center[1] - obj.radius, obj.radius * 2, obj.radius * 2];
+		}
+		return rect;
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.center[0] += dl;
+		obj.center[1] += dt;
+		if (dw !== 0 || dh !== 0) {
+			var x = mouse.x - draw.drawRelPos[0];
+			var y = mouse.y - draw.drawRelPos[1];
+			obj.radius = Math.abs(Math.min(x - obj.center[0], y - obj.center[1]));
+		}
+	},
+	getCursorPositionsUnselected: function (obj, pathNum) {
+		if (obj.fillColor !== 'none') {
+			return [{
+					shape: 'circle',
+					dims: [obj.center[0], obj.center[1], obj.radius],
+					cursor: draw.cursors.pointer,
+					func: drawClickSelect,
+					pathNum: pathNum,
+					highlight: -1
+				}
+			];
+		} else {
+			return [{
+					shape: 'openCircle',
+					dims: [obj.center[0], obj.center[1], obj.radius, draw.selectTolerance],
+					cursor: draw.cursors.pointer,
+					func: drawClickSelect,
+					pathNum: pathNum,
+					highlight: -1
+				}
+			];
+		}
+	},
+	getSnapPos: function (obj) {},
+	setLineWidth: function (obj, lineWidth) {
+		obj.thickness = lineWidth;
+	},
+	setLineColor: function (obj, color) {
+		obj.color = color;
+	},
+	setFillColor: function (obj, color) {
+		obj.fillColor = color;
+	},
+	getLineWidth: function (obj) {
+		return obj.thickness;
+	},
+	getLineColor: function (obj) {
+		return obj.color;
+	},
+	getFillColor: function (obj) {
+		return obj.fillColor;
+	},
+	drawButton: function (ctx, size) {
+		draw.sphere.draw(ctx, {
+			center: [0.5 * size, 0.5 * size],
+			radius: 0.3 * size,
+			color: '#000',
+			thickness: size * 0.02
+		});
+	},
+	scale: function (obj, sf, center) {
+		if (!un(center)) {
+			obj.center[0] = center[0] + sf * (obj.center[0] - center[0]);
+			obj.center[1] = center[1] + sf * (obj.center[1] - center[1]);
+		}
+		if (!un(obj.thickness))
+			obj.thickness *= sf;
+		if (!un(obj.radius))
+			obj.radius *= sf;
+	}
+};
+draw.ellipticalArc = {
+	resizable: true,
+	add: function () {
+		deselectAllPaths();
+		var obj = {
+			type: 'ellipticalArc',
+			color: draw.color,
+			thickness: draw.thickness,
+			fillColor: draw.fillColor,
+			center: [100 - draw.drawRelPos[0], 100 - draw.drawRelPos[1]],
+			radiusX: 50,
+			radiusY: 30,
+			angle1: Math.PI,
+			angle2: 2 * Math.PI,
+			showLines: false,
+			showCenter: false
+		};
+		draw.path.push({
+			obj: [obj],
+			selected: true
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+	},
+	draw: function (ctx, obj, path) {
+		if (obj.radius <= 0)
+			return;
+		ctx.save();
+		ctx.strokeStyle = obj.color;
+		ctx.lineWidth = obj.thickness;
+		if (typeof ctx.setLineDash !== 'function')
+			ctx.setLineDash = function () {};
+		var dash = !un(obj.dash) ? obj.dash : [];
+		ctx.setLineDash(dash);
+
+		if (obj.fillColor !== 'none') {
+			ctx.beginPath();
+			ctx.moveTo(obj.center[0], obj.center[1]);
+			ctx.lineTo(obj.center[0] + obj.radiusX * Math.cos(obj.angle1), obj.center[1] + obj.radiusY * Math.sin(obj.angle1));
+			ctx.ellipse(obj.center[0], obj.center[1], obj.radiusX, obj.radiusY, 0, obj.angle1, obj.angle2);
+			ctx.lineTo(obj.center[0], obj.center[1]);
+			ctx.fillStyle = obj.fillColor;
+			ctx.fill();
+		}
+
+		ctx.beginPath();
+		if (obj.showLines == true) {
+			ctx.moveTo(obj.center[0], obj.center[1]);
+			ctx.lineTo(obj.center[0] + obj.radiusX * Math.cos(obj.angle1), obj.center[1] + obj.radiusY * Math.sin(obj.angle1));
+		} else {
+			ctx.moveTo(obj.center[0] + obj.radiusX * Math.cos(obj.angle1), obj.center[1] + obj.radiusY * Math.sin(obj.angle1));
+		}
+		ctx.ellipse(obj.center[0], obj.center[1], obj.radiusX, obj.radiusY, 0, obj.angle1, obj.angle2);
+		if (obj.showLines == true) {
+			ctx.lineTo(obj.center[0], obj.center[1]);
+		}
+		ctx.stroke();
+		ctx.setLineDash([]);
+
+		if (!un(path) && path.selected == true) {
+			ctx.lineWidth = 1;
+			ctx.strokeStyle = '#000';
+			ctx.fillStyle = '#F00';
+			ctx.beginPath();
+			ctx.arc(obj.center[0] + obj.radiusX * Math.cos(obj.angle1), obj.center[1] + obj.radiusY * Math.sin(obj.angle1), 8, 0, 2 * Math.PI);
+			ctx.fill();
+			ctx.stroke();
+			ctx.beginPath();
+			ctx.arc(obj.center[0] + obj.radiusX * Math.cos(obj.angle2), obj.center[1] + obj.radiusY * Math.sin(obj.angle2), 8, 0, 2 * Math.PI);
+			ctx.fill();
+			ctx.stroke();
+		}
+
+		ctx.restore();
+	},
+	getRect: function (obj) {
+		return [obj.center[0] - obj.radiusX, obj.center[1] - obj.radiusY, obj.radiusX * 2, obj.radiusY * 2];
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.center[0] += dl;
+		obj.center[1] += dt;
+		obj.radiusX += dw;
+		obj.radiusY += dh;
+	},
+	getCursorPositionsUnselected: function (obj, pathNum) {
+		if (obj.fillColor !== 'none') {
+			return [{
+					shape: 'ellipse',
+					dims: [obj.center[0], obj.center[1], obj.radiusX, obj.radiusY],
+					cursor: draw.cursors.pointer,
+					func: drawClickSelect,
+					pathNum: pathNum,
+					highlight: -1
+				}
+			];
+		} else {
+			return [{
+					shape: 'ellipse',
+					dims: [obj.center[0], obj.center[1], obj.radiusX, obj.radiusY, draw.selectTolerance],
+					cursor: draw.cursors.pointer,
+					func: drawClickSelect,
+					pathNum: pathNum,
+					highlight: -1
+				}
+			];
+		}
+	},
+	getCursorPositionsSelected: function (obj, pathNum) {
+		var a = [obj.center[0] + obj.radiusX * Math.cos(obj.angle1), obj.center[1] + obj.radiusY * Math.sin(obj.angle1), 8];
+		var b = [obj.center[0] + obj.radiusX * Math.cos(obj.angle2), obj.center[1] + obj.radiusY * Math.sin(obj.angle2), 8];
+		return [{
+				shape: 'circle',
+				dims: a,
+				cursor: draw.cursors.pointer,
+				func: draw.ellipticalArc.startDrag1,
+				pathNum: pathNum,
+				draw: true,
+				color: '#F00'
+			}, {
+				shape: 'circle',
+				dims: b,
+				cursor: draw.cursors.pointer,
+				func: draw.ellipticalArc.startDrag2,
+				pathNum: pathNum,
+				draw: true,
+				color: '#F00'
+			}
+		];
+	},
+	startDrag1: function (e) {
+		changeDrawMode('ellipticalArcDrag1');
+		draw.currPathNum = draw.currCursor.pathNum;
+		updateSnapPoints(); // update intersection points
+		draw.animate(draw.ellipticalArc.posMove,draw.ellipticalArc.posStop,drawCanvasPaths);		
+		//addListenerMove(window, draw.ellipticalArc.posMove);
+		//addListenerEnd(window, draw.ellipticalArc.posStop);
+	},
+	startDrag2: function (e) {
+		changeDrawMode('ellipticalArcDrag2');
+		draw.currPathNum = draw.currCursor.pathNum;
+		updateSnapPoints(); // update intersection points
+		draw.animate(draw.ellipticalArc.posMove,draw.ellipticalArc.posStop,drawCanvasPaths);		
+		//addListenerMove(window, draw.ellipticalArc.posMove);
+		//addListenerEnd(window, draw.ellipticalArc.posStop);
+	},
+	posMove: function (e) {
+		updateMouse(e);
+		var pos = draw.mouse;
+		var pathNum = draw.currPathNum;
+		if (snapToObj2On || draw.snapLinesTogether)
+			pos = snapToObj2(pos, pathNum);
+		var obj = draw.path[pathNum].obj[0];
+		var angle = getAngleTwoPoints(obj.center, pos);
+		if (shiftOn == true || ctrlOn == true) {
+			var tol = 0.3;
+			if (Math.abs(angle) < tol)
+				angle = 0;
+			if (Math.abs(Math.PI / 2 - angle) < tol)
+				angle = Math.PI / 2;
+			if (Math.abs(Math.PI - angle) < tol)
+				angle = Math.PI;
+			if (Math.abs(Math.PI * (3 / 2) - angle) < tol)
+				angle = Math.PI * (3 / 2);
+			if (Math.abs(Math.PI * 2 - angle) < tol)
+				angle = Math.PI * 2;
+		}
+		if (draw.drawMode == 'ellipticalArcDrag1') {
+			obj.angle1 = angle;
+		} else if (draw.drawMode == 'ellipticalArcDrag2') {
+			obj.angle2 = angle;
+		}
+		//drawSelectedPaths();
+		//drawSelectCanvas();
+	},
+	posStop: function (e) {
+		//removeListenerMove(window, draw.ellipticalArc.posMove);
+		//removeListenerEnd(window, draw.ellipticalArc.posStop);
+		changeDrawMode();
+	},
+	getSnapPos: function (obj) {},
+	setLineWidth: function (obj, lineWidth) {
+		obj.thickness = lineWidth;
+	},
+	setLineColor: function (obj, color) {
+		obj.color = color;
+	},
+	setFillColor: function (obj, color) {
+		obj.fillColor = color;
+	},
+	setLineDash: function (obj, dash) {
+		obj.dash = dash;
+	},
+	getLineWidth: function (obj) {
+		return obj.thickness;
+	},
+	getLineColor: function (obj) {
+		return obj.color;
+	},
+	getFillColor: function (obj) {
+		return obj.fillColor;
+	},
+	getLineDash: function (obj) {
+		return !un(obj.dash) ? obj.dash : [0, 0];
+	},
+	getButtons: function (x1, y1, x2, y2, pathNum) {
+		return [{
+				buttonType: 'angle-showLines',
+				shape: 'rect',
+				dims: [x2 - 20, y2 - 40, 20, 20],
+				cursor: draw.cursors.pointer,
+				func: draw.ellipticalArc.toggleLines,
+				pathNum: pathNum
+			}
+		];
+	},
+	toggleLines: function (e) {
+		var obj = draw.path[draw.currCursor.pathNum].obj[0];
+		obj.showLines = !obj.showLines;
+		drawSelectedPaths();
+	},
+	drawButton: function (ctx, size, type) {
+		var obj = {
+			type: 'ellipticalArc',
+			color: '#000',
+			thickness: size * (2 / 55),
+			fillColor: 'none',
+			center: [size / 2, size / 3],
+			radiusX: size / 3,
+			radiusY: size / 4,
+			angle1: 0,
+			angle2: Math.PI,
+			showLines: false,
+			showCenter: false
+		}
+		draw.ellipticalArc.draw(ctx, obj);
+	},
+	scale: function (obj, sf, center) {
+		if (un(center))
+			var center = obj.center;
+		obj.center[0] = center[0] + sf * (obj.center[0] - center[0]);
+		obj.center[1] = center[1] + sf * (obj.center[1] - center[1]);
+		if (!un(obj.radiusX))
+			obj.radiusX *= sf;
+		if (!un(obj.radiusY))
+			obj.radiusY *= sf;
+		if (!un(obj.thickness))
+			obj.thickness *= sf;
+	}
+};
+draw.boxPlot = {
+	resizable: true,
+	add: function () {
+		deselectAllPaths();
+		var obj = {
+			type: 'boxPlot',
+			left: 50 - draw.drawRelPos[0],
+			top: 150 - draw.drawRelPos[1],
+			width: 400,
+			height: 100,
+			min: 0,
+			max: 80,
+			lineWidth: 4,
+			color: '#000',
+			fillColor: 'none',
+			chartData: [10, 25, 40, 48, 65]
+		};
+		draw.path.push({
+			obj: [obj],
+			selected: true
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+		console.log(sel());
+	},
+	draw: function (ctx, obj, path) {
+		ctx.save();
+		ctx.strokeStyle = obj.color || '#000';
+		ctx.lineWidth = obj.lineWidth || 4;
+		ctx.lineJoin = 'round';
+		ctx.lineCap = 'round';
+		if (typeof ctx.setLineDash == 'undefined')
+			ctx.setLineDash = function () {};
+		ctx.setLineDash([]);
+
+		var xPos = [];
+		for (var i = 0; i < obj.chartData.length; i++)
+			xPos[i] = getPosOfCoordX2(obj.chartData[i], obj.left, obj.width, obj.min, obj.max);
+		var yPos = [obj.top, obj.top + 0.25 * obj.height, obj.top + 0.5 * obj.height, obj.top + 0.75 * obj.height, obj.top + obj.height];
+
+		//* fill
+		if (obj.fillColor !== 'none') {
+			ctx.fillStyle = obj.fillColor;
+			ctx.fillRect(xPos[1], yPos[0], xPos[3] - xPos[1], yPos[4] - yPos[0]);
+		};
+		//*/
+
+		ctx.beginPath();
+
+		ctx.moveTo(xPos[0], yPos[2]);
+		ctx.lineTo(xPos[1], yPos[2]);
+
+		ctx.moveTo(xPos[1], yPos[0]);
+		ctx.lineTo(xPos[3], yPos[0]);
+
+		ctx.moveTo(xPos[1], yPos[4]);
+		ctx.lineTo(xPos[3], yPos[4]);
+
+		ctx.moveTo(xPos[3], yPos[2]);
+		ctx.lineTo(xPos[4], yPos[2]);
+
+		// vertLines
+		ctx.moveTo(xPos[0], yPos[1]);
+		ctx.lineTo(xPos[0], yPos[3]);
+
+		ctx.moveTo(xPos[1], yPos[0]);
+		ctx.lineTo(xPos[1], yPos[4]);
+
+		ctx.moveTo(xPos[3], yPos[0]);
+		ctx.lineTo(xPos[3], yPos[4]);
+
+		ctx.moveTo(xPos[4], yPos[1]);
+		ctx.lineTo(xPos[4], yPos[3]);
+
+		ctx.stroke();
+
+		ctx.setLineDash([8, 5]);
+		ctx.lineWidth = 0.6 * ctx.lineWidth;
+		ctx.beginPath();
+		ctx.moveTo(xPos[2], yPos[0]);
+		ctx.lineTo(xPos[2], yPos[4]);
+		ctx.stroke();
+
+		ctx.restore();
+	},
+	getRect: function (obj) {
+		return [obj.left, obj.top, obj.width, obj.height];
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.left += dl;
+		obj.top += dt;
+		obj.width += dw;
+		obj.height += dh;
+	},
+	setLineWidth: function (obj, lineWidth) {
+		obj.lineWidth = lineWidth;
+	},
+	setLineColor: function (obj, color) {
+		obj.color = color;
+	},
+	setFillColor: function (obj, color) {
+		obj.fillColor = color;
+	},
+	getLineWidth: function (obj) {
+		return obj.lineWidth;
+	},
+	getLineColor: function (obj) {
+		return obj.color;
+	},
+	getFillColor: function (obj) {
+		return obj.fillColor;
+	},
+	scale: function (obj, sf, center) {
+		if (!un(center)) {
+			obj.left = center[0] + sf * (obj.left - center[0]);
+			obj.top = center[1] + sf * (obj.top - center[1]);
+		}
+		obj.width *= sf;
+		obj.height *= sf;
+		if (!un(obj.lineWidth))
+			obj.lineWidth *= sf;
+	}
+};
+
+draw.slider = {
+	resizable: true,
+	add: function () {
+		deselectAllPaths();
+		var obj = {
+			type: 'slider',
+			left: 50 - draw.drawRelPos[0],
+			top: 50 - draw.drawRelPos[1],
+			width: 200,
+			radius: 15,
+			value: 0,
+			lineWidth: 4,
+			color: '#000',
+			fillColor: '#00F',
+			interact: {
+				onchange: function (obj) {}
+			}
+		};
+		draw.path.push({
+			obj: [obj],
+			selected: true
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+		console.log(sel());
+	},
+	draw: function (ctx, obj, path) {
+		if (obj.vertical === true) {
+			var x1 = obj.left + obj.radius;
+			var x2 = obj.left + obj.radius;
+			var y1 = obj.top + obj.radius;
+			var y2 = obj.top + obj.width - obj.radius;
+			var y3 = y1 + obj.value * (y2 - y1);
+			obj._pos = [x1, y3, obj.radius];
+		} else {
+			var x1 = obj.left + obj.radius;
+			var x2 = obj.left + obj.width - obj.radius;
+			var y1 = obj.top + obj.radius;
+			var y2 = obj.top + obj.radius;
+			var x3 = x1 + obj.value * (x2 - x1);
+			obj._pos = [x3, y1, obj.radius];
+		}
+
+		ctx.beginPath();
+		ctx.strokeStyle = obj.color || '#000';
+		ctx.lineWidth = obj.lineWidth || 4;
+		ctx.lineJoin = 'round';
+		ctx.lineCap = 'round';
+		if (typeof ctx.setLineDash == 'undefined') ctx.setLineDash = function () {};
+		ctx.setLineDash([]);
+		ctx.moveTo(x1, y1);
+		ctx.lineTo(x2, y2);
+		ctx.stroke();
+
+		ctx.beginPath();
+		ctx.fillStyle = obj.fillColor;
+		ctx.arc(obj._pos[0], obj._pos[1], obj.radius, 0, 2 * Math.PI);
+		ctx.fill();
+		
+		if (typeof obj.control === 'object') {
+			var pos = obj.control.pos || [obj.left-60,obj.top+obj.radius];
+			var state = obj.control.state || 'paused';
+			var color = obj.control.color || '#CFF';
+			ctx.save();
+			ctx.translate(pos[0]-25,pos[1]-25);
+			roundedRect2(ctx, 0, 0, 50, 50, 10, 3, '#000', color);
+			ctx.fillStyle = '#000';
+			if (state === 'paused') {
+				ctx.lineCap = 'round';
+				ctx.lineJoin = 'round';
+				ctx.beginPath();
+				ctx.moveTo(16, 14);
+				ctx.lineTo(34, 25);
+				ctx.lineTo(16, 36);
+				ctx.lineTo(16, 14);
+				ctx.fill();
+			} else if (state === 'playing') {
+				ctx.fillRect(14,12,8,26);
+				ctx.fillRect(28,12,8,26);
+			}
+			ctx.restore();
+		}
+	},
+	getCursorPositionsSelected: function(obj,path,p) {
+		var pos = [];
+		pos.push({shape:'circle',dims:obj._pos,cursor:draw.cursors.move1,func:draw.slider.dragStart,interact:true,path:path,obj:obj});
+		
+		if (typeof obj.control === 'object') {
+			var controlPos = obj.control.pos || [obj.left-60,obj.top+obj.radius];
+			var controlRect = [controlPos[0]-25,controlPos[1]-25,50,50];
+			pos.push({shape:'rect',dims:controlRect,cursor:draw.cursors.move1,func:draw.slider.controlMoveStart,interact:true,path:path,obj:obj});
+		}
+		
+		return pos;
+	},
+	getCursorPositionsInteract: function(obj,path,p) {
+		var pos = [];
+		pos.push({shape:'circle',dims:obj._pos,cursor:draw.cursors.move1,func:draw.slider.dragStart,interact:true,path:path,obj:obj});
+		
+		if (typeof obj.control === 'object') {
+			var controlPos = obj.control.pos || [obj.left-60,obj.top+obj.radius];
+			var controlRect = [controlPos[0]-25,controlPos[1]-25,50,50];
+			pos.push({shape:'rect',dims:controlRect,cursor:draw.cursors.pointer,func:draw.slider.controlClick,interact:true,path:path,obj:obj});
+		}
+		
+		return pos;
+	},
+	controlClick: function() {
+		var obj = draw.currCursor.obj;
+		var state = obj.control.state || 'paused';
+		if (state === 'paused') {
+			var rate = obj.control.rate || 0.1;
+			if (obj.value > 0.95) obj.value = 0;
+			draw.slider.animationStart(obj,rate,drawCanvasPaths);
+		} else if (state === 'playing') {
+			draw.slider.animationStop();
+		}
+	},
+	controlMoveStart: function() {
+		draw._drag = draw.currCursor;
+		var obj = draw._drag.obj;
+		var controlPos = obj.control.pos || [obj.left-60,obj.top+obj.radius];
+		draw._drag.offset = [draw.mouse[0]-controlPos[0],draw.mouse[1]-controlPos[1]];
+		draw.animate(draw.slider.controlMoveMove,draw.slider.controlMoveStop,drawSelectedPaths);
+	},
+	controlMoveMove: function(e) {
+		updateMouse(e);
+		var obj = draw._drag.obj;
+		var pos = [draw.mouse[0]-draw._drag.offset[0],draw.mouse[1]-draw._drag.offset[1]];
+		if (Math.abs(obj.top+obj.radius - pos[1]) < 20) pos[1] = obj.top+obj.radius;
+		obj.control.pos = pos;
+	},
+	controlMoveStop: function(e) {
+		delete draw._drag;
+	},
+	drawButton: function (ctx, size) {
+		draw.slider.draw(ctx, {
+			type: 'slider',
+			left: 0.15 * size,
+			top: 0.4 * size,
+			width: 0.8 * size,
+			radius: 0.1 * size,
+			value: 0,
+			lineWidth: 0.02 * size,
+			color: '#000',
+			fillColor: '#00F'
+		});
+	},
+	getButtons: function (x1, y1, x2, y2, pathNum) {
+		var buttons = [];
+		buttons.push({
+			buttonType: 'slider-function',
+			shape: 'rect',
+			dims: [x1 + 20, y2 - 20, 80, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.slider.editChangeFunction,
+			pathNum: pathNum,
+			draw: function (path, ctx, l, t, w, h) {
+				var obj = path.obj[0];
+				ctx.fillStyle = colorA('#F99', 0.5);
+				ctx.fillRect(l, t, w, h);
+				text({
+					ctx: ctx,
+					rect: [l, t, w, h],
+					align: [0, 0],
+					text: ['onchange'],
+					fontSize: 14
+				});
+			}
+		});
+		buttons.push({
+			buttonType: 'slider-setValue',
+			shape: 'rect',
+			dims: [x2 - 60, y2 - 20, 40, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.slider.setValue,
+			pathNum: pathNum,
+			draw: function (path, ctx, l, t, w, h) {
+				var obj = path.obj[0];
+				ctx.fillStyle = colorA('#9FF', 0.5);
+				ctx.fillRect(l, t, w, h);
+				text({
+					ctx: ctx,
+					rect: [l, t, w, h],
+					align: [0, 0],
+					text: [String(roundToNearest(obj.value, 0.01))],
+					fontSize: 14
+				});
+			}
+		});
+		buttons.push({
+			buttonType: 'slider-control',
+			shape: 'rect',
+			dims: [x1 + 100, y2 - 20, 80, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.slider.toggleControl,
+			pathNum: pathNum,
+			draw: function (path, ctx, l, t, w, h) {
+				var obj = path.obj[0];
+				ctx.fillStyle = colorA('#CCF', 0.5);
+				ctx.fillRect(l, t, w, h);
+				text({
+					ctx: ctx,
+					rect: [l, t, w, h],
+					align: [0, 0],
+					text: ['Control'],
+					fontSize: 14
+				});
+			}
+		});
+		return buttons;
+	},
+	setValue: function (obj) {
+		if (un(obj)) obj = draw.path[draw.currCursor.pathNum].obj[0];
+		obj.value = prompt('Value:', obj.value);
+		if (isNaN(Number(obj.value))) obj.value = 0;
+		obj.value = Math.min(1, Math.max(0, obj.value));
+		drawCanvasPaths();
+	},
+	toggleControl: function(obj) {
+		if (un(obj)) obj = draw.path[draw.currCursor.pathNum].obj[0];
+		if (!un(obj.control)) {
+			delete obj.control;
+		} else {
+			obj.control = {};
+		}
+		drawCanvasPaths();
+	},
+	editChangeFunction: function (obj) {
+		if (un(obj)) {
+			var path = draw.path[draw.currCursor.pathNum];
+			var obj = path.obj[0];
+		}
+		if (un(obj.interact))
+			obj.interact = {};
+		if (un(obj.interact.onchange))
+			obj.interact.onchange = function (obj) {};
+		draw.codeEditor.open(obj.interact, 'onchange');
+	},
+	getRect: function (obj) {
+		if (obj.vertical === true) {
+			return [obj.left, obj.top, obj.radius * 2, obj.width];
+		} else {
+			return [obj.left, obj.top, obj.width, obj.radius * 2];
+		}
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.left += dl;
+		obj.top += dt;
+		if (obj.vertical === true) {
+			obj.width += dh;
+		} else {
+			obj.width += dw;
+		}
+	},
+	setLineWidth: function (obj, lineWidth) {
+		obj.lineWidth = lineWidth;
+	},
+	setLineColor: function (obj, color) {
+		obj.color = color;
+	},
+	setFillColor: function (obj, color) {
+		obj.fillColor = color;
+	},
+	getLineWidth: function (obj) {
+		return obj.lineWidth;
+	},
+	getLineColor: function (obj) {
+		return obj.color;
+	},
+	getFillColor: function (obj) {
+		return obj.fillColor;
+	},
+	scale: function (obj, sf, center) {
+		if (!un(center)) {
+			obj.left = center[0] + sf * (obj.left - center[0]);
+			obj.top = center[1] + sf * (obj.top - center[1]);
+		}
+		obj.width *= sf;
+		obj.radius *= sf;
+		if (!un(obj.lineWidth))
+			obj.lineWidth *= sf;
+	},
+	dragStart: function (e) {
+		//console.log(draw.currCursor);
+		changeDrawMode('slider-drag');
+		draw.cursorCanvas.style.cursor = draw.cursors.move2;
+		draw._drag = draw.currCursor;
+		//addListenerMove(window, draw.slider.dragMove);
+		//addListenerEnd(window, draw.slider.dragStop);
+		draw.animate(draw.slider.dragMove,draw.slider.dragStop,drawCanvasPaths);
+		/*var obj = draw._drag.obj;
+		if (!un(obj.interact) && !un(obj.interact.objs)) {
+			obj._path._interacting = true;
+			for (var i = 0; i < obj.interact.objs.length; i++) {
+				o(obj.interact.objs[i])._path._interacting = true;
+			}
+		}*/
+	},
+	dragMove: function (e) {
+		updateMouse(e);
+		var x = draw.mouse[0];
+		var y = draw.mouse[1];
+		var obj = draw._drag.obj;
+		if (obj.vertical === true) {
+			obj.value = Math.max(0, Math.min(1, (y - (obj.top + obj.radius)) / (obj.width - obj.radius * 2)));
+		} else {
+			obj.value = Math.max(0, Math.min(1, (x - (obj.left + obj.radius)) / (obj.width - obj.radius * 2)));
+		}
+		if (!un(obj.interact) && !un(obj.interact.onchange)) obj.interact.onchange(obj);
+		/*if (!un(obj.interact) && !un(obj.interact.objs)) {
+			drawSelectedPaths();
+		} else {
+			drawCanvasPaths();
+		}*/
+	},
+	dragStop: function (e) {
+		changeDrawMode();
+		draw.cursorCanvas.style.cursor = draw.cursors.move1;
+		//removeListenerMove(window, draw.slider.dragMove);
+		//removeListenerEnd(window, draw.slider.dragStop);
+		/*var obj = draw._drag.obj;
+		if (!un(obj.interact) && !un(obj.interact.objs)) {
+			delete obj._path.interacting;
+			for (var i = 0; i < obj.interact.objs.length; i++) {
+				delete o(obj.interact.objs[i])._path._interacting;
+			}
+		}
+		drawCanvasPaths();*/
+		delete draw._drag;
+	},
+	animationStart: function(obj,rate,drawFunction) {
+		var d = new Date();		
+		draw._sliderAnimation = {
+			obj:obj,
+			start:d.getTime(),
+			rate:rate || 0.1,
+			initial:obj.value,
+			drawFunction:drawFunction || drawCanvasPaths,
+		};
+		if (!un(obj.control)) obj.control.state = 'playing';
+		drawCanvasPaths();
+		draw._sliderAnimation.frameID = window.requestAnimationFrame(draw.slider.animationFrame);
+	},
+	animationFrame: function() {
+		var d = new Date();
+		var time = d.getTime() - draw._sliderAnimation.start;
+		time = time/1000;
+		draw._sliderAnimation.obj.value = Math.min(1,Math.max(0,draw._sliderAnimation.initial+time*draw._sliderAnimation.rate));
+		if (!un(draw._sliderAnimation.obj.interact) && !un(draw._sliderAnimation.obj.interact.onchange)) {
+			draw._sliderAnimation.obj.interact.onchange(draw._sliderAnimation.obj);
+		}
+		
+		if (draw._sliderAnimation.stop === true || draw._sliderAnimation.obj.value === 1) {
+			draw.slider.animationStop();
+		} else {
+			draw._sliderAnimation.drawFunction();
+			draw._sliderAnimation.frameID = window.requestAnimationFrame(draw.slider.animationFrame);
+		}
+	},
+	animationStop: function() {
+		if (!un(draw._sliderAnimation)) {
+			window.cancelAnimationFrame(draw._sliderAnimation.frameID);
+			var obj = draw._sliderAnimation.obj;
+			if (!un(obj.control)) obj.control.state = 'paused';
+			drawCanvasPaths();
+			delete draw._sliderAnimation;
+		}
+	}
+};
+draw.toggle = {
+	resizable: true,
+	add: function () {
+		deselectAllPaths();
+		var obj = {
+			type: 'toggle',
+			left: 50 - draw.drawRelPos[0],
+			top: 50 - draw.drawRelPos[1],
+			width: 140,
+			height: 40,
+			value: false,
+			text: 'toggle',
+			onchange: function (obj) {}
+		};
+		draw.path.push({
+			obj: [obj],
+			selected: true
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+		console.log(sel());
+	},
+	draw: function (ctx, obj, path) {
+		text({
+			ctx: ctx,
+			align: [-1, 0],
+			rect: [obj.left, obj.top, obj.width, obj.height],
+			text: [obj.text],
+			box: {
+				type: 'loose',
+				color: '#FFF',
+				borderColor: '#000',
+				borderWidth: 2,
+				radius: 5
+			}
+		});
+		ctx.beginPath();
+		ctx.strokeStyle = '#000';
+		ctx.lineWidth = 2;
+		ctx.fillStyle = obj.value == true ? '#6F6' : '#F66';
+		var r = obj.left + obj.width;
+		var m = obj.top + obj.height / 2;
+		ctx.moveTo(r - 35, m - 13);
+		ctx.lineTo(r - 20, m - 13);
+		ctx.arc(r - 20, m, 13, 1.5 * Math.PI, 0.5 * Math.PI);
+		ctx.lineTo(r - 35, m + 13);
+		ctx.arc(r - 35, m, 13, 0.5 * Math.PI, 1.5 * Math.PI);
+		ctx.fill();
+		ctx.stroke();
+
+		ctx.beginPath();
+		ctx.fillStyle = '#000';
+		if (obj.value == false) {
+			ctx.arc(r - 35, m, 9, 0, 2 * Math.PI);
+		} else {
+			ctx.arc(r - 20, m, 9, 0, 2 * Math.PI);
+		}
+		ctx.fill();
+		ctx.stroke();
+	},
+	drawButton: function (ctx, size) {
+		var l = size * 0.15;
+		var t = size * 0.4;
+		var w = size * 0.7;
+		var h = size * 0.2;
+		var c = size * 0.5;
+		var m = size * 0.5;
+		var rad = size * 0.1;
+
+		ctx.beginPath();
+		ctx.strokeStyle = '#000';
+		ctx.lineWidth = size * 0.02;
+		ctx.fillStyle = '#6F6';
+		ctx.moveTo(c - rad, m - rad * 1.5);
+		ctx.lineTo(c + rad, m - rad * 1.5);
+		ctx.arc(c + rad, m, rad * 1.5, 1.5 * Math.PI, 0.5 * Math.PI);
+		ctx.lineTo(c - rad, m + rad * 1.5);
+		ctx.arc(c - rad, m, rad * 1.5, 0.5 * Math.PI, 1.5 * Math.PI);
+		ctx.fill();
+		ctx.stroke();
+
+		ctx.beginPath();
+		ctx.fillStyle = '#000';
+		ctx.arc(c + rad * 0.75, m, rad, 0, 2 * Math.PI);
+		ctx.fill();
+		ctx.stroke();
+	},
+	getCursorPositionsSelected: function (obj, pathNum) {
+		var pos = [{
+				shape: 'rect',
+				dims: [obj.left, obj.top, obj.width - 35, obj.height],
+				cursor: draw.cursors.pointer,
+				func: draw.toggle.setText,
+				pathNum: pathNum
+			}
+		];
+		return pos;
+	},
+	getCursorPositionsInteract: function (obj, path, pathNum) {
+		var pos = [];
+		pos.push({
+			buttonType: 'toggle-toggle',
+			shape: 'rect',
+			dims: [obj.left, obj.top, obj.width, obj.height],
+			cursor: draw.cursors.pointer,
+			func: draw.toggle.toggle,
+			pathNum: pathNum,
+			obj: obj
+		});
+		return pos;
+	},
+	getButtons: function (x1, y1, x2, y2, pathNum) {
+		var buttons = [];
+		buttons.push({
+			buttonType: 'toggle-function',
+			shape: 'rect',
+			dims: [x1 + 20, y2 - 20, 80, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.toggle.editChangeFunction,
+			pathNum: pathNum,
+			draw: function (path, ctx, l, t, w, h) {
+				var obj = path.obj[0];
+				ctx.fillStyle = colorA('#F99', 0.5);
+				ctx.fillRect(l, t, w, h);
+				text({
+					ctx: ctx,
+					rect: [l, t, w, h],
+					align: [0, 0],
+					text: ['onchange'],
+					fontSize: 14
+				});
+			}
+		});
+		buttons.push({
+			buttonType: 'toggle-toggle',
+			shape: 'rect',
+			dims: [x2 - 60, y2 - 20, 40, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.toggle.toggle,
+			pathNum: pathNum,
+			draw: function (path, ctx, l, t, w, h) {
+				var obj = path.obj[0];
+				ctx.fillStyle = colorA('#9FF', 0.5);
+				ctx.fillRect(l, t, w, h);
+				text({
+					ctx: ctx,
+					rect: [l, t, w, h],
+					align: [0, 0],
+					text: [String(obj.value)],
+					fontSize: 14
+				});
+			}
+		});
+		return buttons;
+	},
+	editChangeFunction: function (obj) {
+		if (un(obj)) {
+			var path = draw.path[draw.currCursor.pathNum];
+			var obj = path.obj[0];
+		}
+		if (un(obj.onchange))
+			obj.onchange = function (obj) {};
+		draw.codeEditor.open(obj, 'onchange');
+	},
+	getRect: function (obj) {
+		return [obj.left, obj.top, obj.width, obj.height];
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.left += dl;
+		obj.top += dt;
+		obj.width += dw;
+	},
+	setText: function (obj) {
+		if (un(obj))
+			obj = draw.path[draw.currCursor.pathNum].obj[0];
+		obj.text = prompt('Text for toggle object:', obj.text);
+		if (typeof obj.text !== 'string')
+			obj.text = '';
+		drawCanvasPaths();
+	},
+	toggle: function (obj) {
+		if (un(obj))
+			obj = draw.currCursor.obj;
+		obj.value = !obj.value;
+		if (typeof obj.onchange == 'function') {
+			obj.onchange(obj);
+		} else if (!un(obj.interact) && typeof obj.interact.onchange == 'function') {
+			obj.interact.onchange(obj);
+		}
+		drawCanvasPaths();
+	}
+
+}
+
+draw.feedback = {
+	draw: function (ctx, obj, path) {
+		if (draw.mode == 'interact') {
+			if (!un(obj._feedback)) {
+				var fb = typeof obj._feedback == 'string' ? [obj._feedback] : clone(obj._feedback);
+				var color = obj._color || '#F00';
+				fb.unshift('<<font:Hobo>><<color:' + color + '>><<fontSize:36>>');
+				text({
+					ctx: ctx,
+					rect: obj.rect,
+					align: [0, 0],
+					text: fb
+				});
+			}
+		} else {
+			text({
+				ctx: ctx,
+				rect: obj.rect,
+				align: [0, 0],
+				text: ['<<font:Hobo>><<color:#060>><<fontSize:36>>Feedback will appear here'],
+				box: {
+					color: 'none',
+					borderColor: '#666',
+					borderWidth: 1,
+					radius: 10
+				}
+			});
+		}
+	},
+	getRect: function (obj) {
+		return obj.rect;
+	},
+	scale: function (obj, sf, center) {
+		if (!un(center)) {
+			obj.rect[0] = center[0] + sf * (obj.rect[0] - center[0]);
+			obj.rect[1] = center[1] + sf * (obj.rect[1] - center[1]);
+		}
+		obj.rect[2] *= sf;
+		obj.rect[3] *= sf;
+	}
+}
+
+draw.probabilityTree = {
+	resizable: true,
+	add: function () {
+		deselectAllPaths();
+		var obj = {
+			type: 'probabilityTree',
+			left: 50 - draw.drawRelPos[0],
+			top: 50 - draw.drawRelPos[1],
+			widths: [250, 100, 250, 100, 250],
+			height: 400,
+			lineWidth: 4,
+			color: '#000',
+			branches: [2, 2],
+		};
+		draw.path.push({
+			obj: [obj],
+			selected: true
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+		console.log(sel());
+	},
+	draw: function (ctx, obj, path) {
+		var left = obj.left;
+		var top = obj.top;
+		var widths = obj.widths;
+		var width = arraySum(obj.widths);
+		var height = obj.height;
+		var branches = obj.branches;
+
+		ctx.lineWidth = obj.lineWidth;
+		ctx.strokeStyle = obj.color;
+		ctx.lineCap = 'round';
+		ctx.lineJoin = 'round';
+
+		//first branches
+		var startX = left;
+		var finX = startX + widths[0];
+		var startY = top + 0.5 * height;
+		for (var i = 0; i < obj.branches[0]; i++) {
+			if (obj.branches[0] == 2) {
+				var finY = top + ((2 * i + 1) / 4) * height;
+			} else if (obj.branches[0] == 3) {
+				var finY = top + ((2 * i + 1) / 6) * height;
+			}
+			ctx.beginPath();
+			ctx.moveTo(startX, startY);
+			ctx.lineTo(finX, finY);
+			ctx.stroke();
+
+			// second branches
+			var startX2 = left + widths[0] + widths[1];
+			var finX2 = startX2 + widths[2];
+			var startY2 = finY;
+			var h = height / obj.branches[0];
+			var t = top + h * i;
+			for (var j = 0; j < obj.branches[1]; j++) {
+				if (obj.branches[1] == 2) {
+					var finY2 = t + ((2 * j + 1) / 4) * h;
+				} else if (obj.branches[1] == 3) {
+					var finY2 = t + ((2 * j + 1) / 6) * h;
+				}
+				ctx.beginPath();
+				ctx.moveTo(startX2, startY2);
+				ctx.lineTo(finX2, finY2);
+				ctx.stroke();
+
+				if (typeof obj.branches[2] !== 'number')
+					continue;
+				// third branches
+				var startX3 = left + widths[0] + widths[1] + widths[2] + widths[3];
+				var finX3 = startX3 + widths[4];
+				var startY3 = finY2;
+				var h2 = h / obj.branches[1];
+				var t2 = t + h2 * j;
+				for (var k = 0; k < obj.branches[2]; k++) {
+					if (obj.branches[2] == 2) {
+						var finY3 = t2 + ((2 * k + 1) / 4) * h2;
+					} else if (obj.branches[2] == 3) {
+						var finY3 = t2 + ((2 * k + 1) / 6) * h2;
+					}
+					ctx.beginPath();
+					ctx.moveTo(startX3, startY3);
+					ctx.lineTo(finX3, finY3);
+					ctx.stroke();
+				}
+			}
+		}
+	},
+	drawButton: function (ctx, size, type) {
+		draw.probabilityTree.draw(ctx, {
+			type: 'probabilityTree',
+			left: 0.1 * size,
+			top: size * 0.2,
+			widths: [0.35 * size, 0.1 * size, 0.35 * size],
+			height: size * 0.6,
+			lineWidth: 1,
+			color: '#000',
+			branches: [2, 2],
+		});
+	},
+	getRect: function (obj) {
+		var width = obj.widths[0] + obj.widths[1] + obj.widths[2];
+		if (typeof obj.branches[2] == 'number')
+			width += obj.widths[3] + obj.widths[4];
+		return [obj.left, obj.top, width, obj.height];
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.left += dl;
+		obj.top += dt;
+		obj.height += dh;
+		var totalWidth = obj.widths[0] + obj.widths[1] + obj.widths[2];
+		var max = 3;
+		if (typeof obj.branches[2] == 'number') {
+			totalWidth += obj.widths[3] + obj.widths[4];
+			max = 5;
+		}
+		for (var w = 0; w < max; w++) {
+			obj.widths[w] += dw * (obj.widths[w] / totalWidth);
+		}
+	},
+	getButtons: function (x1, y1, x2, y2, pathNum) {
+		var buttons = [];
+		var obj = draw.path[pathNum].obj[0];
+
+		var left = obj.left;
+		buttons.push({
+			buttonType: 'probabilityTree-branches',
+			shape: 'rect',
+			dims: [left + obj.widths[0] / 2 - 10, y2 - 20, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.probabilityTree.changeBranches,
+			pathNum: pathNum,
+			index: 0,
+			obj: obj,
+			value: obj.branches[0],
+			draw: function (path, ctx, l, t, w, h) {
+				ctx.fillStyle = colorA('#FF0', 0.5);
+				ctx.fillRect(l, t, w, h);
+				text({
+					ctx: ctx,
+					rect: [l, t, w, h],
+					align: [0, 0],
+					text: ['<<fontSize:12>>' + this.value]
+				});
+			}
+		});
+
+		left += obj.widths[0] + obj.widths[1];
+		buttons.push({
+			buttonType: 'probabilityTree-branches',
+			shape: 'rect',
+			dims: [left + obj.widths[2] / 2 - 10, y2 - 20, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.probabilityTree.changeBranches,
+			pathNum: pathNum,
+			index: 1,
+			obj: obj,
+			value: obj.branches[1],
+			draw: function (path, ctx, l, t, w, h) {
+				ctx.fillStyle = colorA('#FF0', 0.5);
+				ctx.fillRect(l, t, w, h);
+				text({
+					ctx: ctx,
+					rect: [l, t, w, h],
+					align: [0, 0],
+					text: ['<<fontSize:12>>' + this.value]
+				});
+			}
+		});
+
+		if (typeof obj.branches[2] == 'number') {
+			left += obj.widths[2] + obj.widths[3];
+			buttons.push({
+				buttonType: 'probabilityTree-branches',
+				shape: 'rect',
+				dims: [left + obj.widths[4] / 2 - 10, y2 - 20, 20, 20],
+				cursor: draw.cursors.pointer,
+				func: draw.probabilityTree.changeBranches,
+				pathNum: pathNum,
+				index: 2,
+				obj: obj,
+				value: obj.branches[2],
+				draw: function (path, ctx, l, t, w, h) {
+					ctx.fillStyle = colorA('#FF0', 0.5);
+					ctx.fillRect(l, t, w, h);
+					text({
+						ctx: ctx,
+						rect: [l, t, w, h],
+						align: [0, 0],
+						text: ['<<fontSize:12>>' + this.value]
+					});
+				}
+			});
+			buttons.push({
+				buttonType: 'probabilityTree-removeBranch',
+				shape: 'rect',
+				dims: [x2 - 20, (y1 + y2) / 2 - 10, 20, 20],
+				cursor: draw.cursors.pointer,
+				func: draw.probabilityTree.removeBranch,
+				pathNum: pathNum,
+				obj: obj,
+				draw: function (path, ctx, l, t, w, h) {
+					ctx.fillStyle = colorA('#F99', 0.5);
+					ctx.fillRect(l, t, w, h);
+					text({
+						ctx: ctx,
+						rect: [l, t, w, h],
+						align: [0, 0],
+						text: ['<<fontSize:12>>-']
+					});
+				}
+			});
+		} else {
+			buttons.push({
+				buttonType: 'probabilityTree-addBranch',
+				shape: 'rect',
+				dims: [x2 - 20, (y1 + y2) / 2 - 10, 20, 20],
+				cursor: draw.cursors.pointer,
+				func: draw.probabilityTree.addBranch,
+				pathNum: pathNum,
+				obj: obj,
+				draw: function (path, ctx, l, t, w, h) {
+					ctx.fillStyle = colorA('#9F9', 0.5);
+					ctx.fillRect(l, t, w, h);
+					text({
+						ctx: ctx,
+						rect: [l, t, w, h],
+						align: [0, 0],
+						text: ['<<fontSize:12>>+']
+					});
+				}
+			});
+		}
+
+		return buttons;
+	},
+	changeBranches: function () {
+		var pathNum = draw.currCursor.pathNum;
+		var obj = draw.currCursor.obj;
+		var index = draw.currCursor.index;
+		obj.branches[index] = obj.branches[index] == 2 ? 3 : 2;
+		drawCanvasPaths();
+		updateBorder(draw.path[pathNum]);
+		calcCursorPositions();
+		drawSelectCanvas();
+	},
+	addBranch: function () {
+		var pathNum = draw.currCursor.pathNum;
+		var obj = draw.currCursor.obj;
+		obj.branches[2] = 2;
+		drawCanvasPaths();
+		updateBorder(draw.path[pathNum]);
+		calcCursorPositions();
+		drawSelectCanvas();
+	},
+	removeBranch: function () {
+		var pathNum = draw.currCursor.pathNum;
+		var obj = draw.currCursor.obj;
+		delete obj.branches[2];
+		drawCanvasPaths();
+		updateBorder(draw.path[pathNum]);
+		calcCursorPositions();
+		drawSelectCanvas();
+	},
+	getCursorPositionsSelected: function (obj, pathNum) {
+		var pos = [];
+		var x = obj.left;
+		var max = typeof obj.branches[2] == 'number' ? 5 : 3;
+		for (var i = 0; i < max; i++) {
+			x += obj.widths[i];
+			pos.push({
+				shape: 'rect',
+				dims: [x - 10, obj.top, 20, obj.height],
+				cursor: draw.cursors.ew,
+				func: draw.probabilityTree.horizResizeStart,
+				index: i,
+				pathNum: pathNum
+			});
+		}
+		return pos;
+	},
+	horizResizeStart: function () {
+		changeDrawMode('probabilityTreeHorizResize');
+		draw.currPathNum = draw.currCursor.pathNum;
+		draw.currIndex = draw.currCursor.index;
+		updateSnapPoints(); // update intersection points
+		draw.animate(draw.probabilityTree.horizResizeMove,draw.probabilityTree.horizResizeStop,drawCanvasPaths);				
+		//addListenerMove(window, draw.probabilityTree.horizResizeMove);
+		//addListenerEnd(window, draw.probabilityTree.horizResizeStop);
+		draw.cursorCanvas.style.cursor = draw.cursors.ew;
+	},
+	horizResizeMove: function (e) {
+		updateMouse(e);
+		var pos = draw.mouse[0];
+		var pathNum = draw.currPathNum;
+		var index = draw.currIndex;
+		var obj = draw.path[pathNum].obj[0];
+		var left = obj.left;
+		for (var i = 0; i < index; i++)
+			left += obj.widths[i];
+		obj.widths[index] = pos - left;
+		//drawSelectedPaths();
+	},
+	horizResizeStop: function (e) {
+		//removeListenerMove(window, draw.probabilityTree.horizResizeMove);
+		//removeListenerEnd(window, draw.probabilityTree.horizResizeStop);
+		changeDrawMode();
+	},
+	setLineWidth: function (obj, lineWidth) {
+		obj.lineWidth = lineWidth;
+	},
+	setLineColor: function (obj, color) {
+		obj.color = color;
+	},
+	setFillColor: function (obj, color) {
+		obj.fillColor = color;
+	},
+	getLineWidth: function (obj) {
+		return obj.lineWidth;
+	},
+	getLineColor: function (obj) {
+		return obj.color;
+	},
+	getFillColor: function (obj) {
+		return obj.fillColor;
+	},
+	scale: function (obj, sf, center) {
+		if (!un(center)) {
+			obj.left = center[0] + sf * (obj.left - center[0]);
+			obj.top = center[1] + sf * (obj.top - center[1]);
+		}
+		for (var w = 0; w < obj.widths.length; w++)
+			obj.widths[w] *= sf;
+		obj.height *= sf;
+		if (!un(obj.lineWidth))
+			obj.lineWidth *= sf;
+	}
+};
+draw.vennDiagram3 = {
+	resizable: true,
+	add: function () {
+		deselectAllPaths();
+		var obj = {
+			type: 'vennDiagram3',
+			left: 50 - draw.drawRelPos[0],
+			top: 50 - draw.drawRelPos[1],
+			width: 600,
+			lineWidth: 4,
+			color: '#000',
+			fillColor: '#3FF',
+			shade: [false, false, false, false, false, false, false, false]
+		};
+		draw.path.push({
+			obj: [obj],
+			selected: true
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+		console.log(sel());
+	},
+	draw: function (ctx, obj, path) {
+		var l = obj.left;
+		var t = obj.top;
+		var w = obj.width;
+		var h = obj.width;
+		var radius = w * 0.27;
+		var centerA = obj.centerA || [l + w * 0.5 + 0.6 * radius * Math.cos(Math.PI * (1 / 2 + 2 / 3)), t + h * 0.47 + 0.6 * radius * Math.sin(Math.PI * (1 / 2 + 2 / 3))];
+		var centerB = obj.centerB || [l + w * 0.5 + 0.6 * radius * Math.cos(Math.PI * (1 / 2 + 4 / 3)), t + h * 0.47 + 0.6 * radius * Math.sin(Math.PI * (1 / 2 + 4 / 3))];
+		var centerC = obj.centerC || [l + w * 0.5 + 0.6 * radius * Math.cos(Math.PI * (1 / 2)), t + h * 0.47 + 0.6 * radius * Math.sin(Math.PI * (1 / 2))];
+		obj._radius = radius;
+		obj._centerA = centerA;
+		obj._centerB = centerB;
+		obj._centerC = centerC;
+
+		var lineWidth = obj.lineWidth;
+		var strokeStyle = obj.color;
+		var colorA = obj.colorA || strokeStyle;
+		var colorB = obj.colorB || strokeStyle;
+		var colorC = obj.colorC || strokeStyle;
+		var labelA = obj.labelA || ['<<fontSize:' + (w / 10) + '>>A'];
+		var labelB = obj.labelB || ['<<fontSize:' + (w / 10) + '>>B'];
+		var labelC = obj.labelC || ['<<fontSize:' + (w / 10) + '>>C'];
+
+		var x1 = centerA[0];
+		var y1 = centerA[1];
+		var x2 = centerB[0];
+		var y2 = centerB[1];
+		var x3 = centerC[0];
+		var y3 = centerC[1];
+		var r = radius;
+		ctx.fillStyle = obj.fillColor;
+		if (obj.shade[7] == true) {
+			ctx.fillRect(l, t, w, h);
+			ctx.fillStyle = mainCanvasFillStyle;
+			ctx.beginPath();
+			ctx.arc(x1, y1, r, 0, 2 * Math.PI);
+			ctx.fill();
+			ctx.beginPath();
+			ctx.arc(x2, y2, r, 0, 2 * Math.PI);
+			ctx.fill();
+			ctx.beginPath();
+			ctx.arc(x3, y3, r, 0, 2 * Math.PI);
+			ctx.fill();
+			ctx.fillStyle = obj.fillColor;
+		}
+		var angle = Math.acos((x2 - x1) / (2 * r));
+
+		var abint = circleIntersections(x1, y1, r, x2, y2, r);
+		var acint = circleIntersections(x1, y1, r, x3, y3, r);
+		var bcint = circleIntersections(x2, y2, r, x3, y3, r);
+
+		var aa = [getAngleFromAToB([x1, y1], abint[1]), getAngleFromAToB([x1, y1], acint[1]), getAngleFromAToB([x1, y1], abint[0]), getAngleFromAToB([x1, y1], acint[0])];
+		var bb = [getAngleFromAToB([x2, y2], bcint[1]), getAngleFromAToB([x2, y2], abint[0]), getAngleFromAToB([x2, y2], bcint[0]), getAngleFromAToB([x2, y2], abint[1])];
+		var cc = [getAngleFromAToB([x3, y3], acint[0]), getAngleFromAToB([x3, y3], bcint[0]), getAngleFromAToB([x3, y3], acint[1]), getAngleFromAToB([x3, y3], bcint[1])];
+
+		if (obj.shade[0] == true) {
+			ctx.beginPath();
+			ctx.arc(x3, y3, r, cc[1], cc[2]);
+			ctx.arc(x1, y1, r, aa[1], aa[2]);
+			ctx.arc(x2, y2, r, bb[1], bb[2]);
+			ctx.fill();
+		}
+		if (obj.shade[1] == true) {
+			ctx.beginPath();
+			ctx.arc(x1, y1, r, aa[0], aa[1]);
+			ctx.arc(x3, y3, r, cc[2], cc[1], true);
+			ctx.arc(x2, y2, r, bb[2], bb[3]);
+			ctx.fill();
+		}
+		if (obj.shade[2] == true) {
+			ctx.beginPath();
+			ctx.arc(x1, y1, r, aa[2], aa[3]);
+			ctx.arc(x3, y3, r, cc[0], cc[1]);
+			ctx.arc(x2, y2, r, bb[2], bb[1], true);
+			ctx.fill();
+		}
+		if (obj.shade[3] == true) {
+			ctx.beginPath();
+			ctx.arc(x1, y1, r, aa[3], aa[0]);
+			ctx.arc(x2, y2, r, bb[3], bb[2], true);
+			ctx.arc(x3, y3, r, cc[1], cc[0], true);
+			ctx.fill();
+		}
+		if (obj.shade[4] == true) {
+			ctx.beginPath();
+			ctx.arc(x1, y1, r, aa[2], aa[1], true);
+			ctx.arc(x3, y3, r, cc[2], cc[3]);
+			ctx.arc(x2, y2, r, bb[0], bb[1]);
+			ctx.fill();
+		}
+		if (obj.shade[5] == true) {
+			ctx.beginPath();
+			ctx.arc(x2, y2, r, bb[3], bb[0]);
+			ctx.arc(x3, y3, r, cc[3], cc[2], true);
+			ctx.arc(x1, y1, r, aa[1], aa[0], true);
+			ctx.fill();
+		}
+		if (obj.shade[6] == true) {
+			ctx.beginPath();
+			ctx.arc(x3, y3, r, cc[3], cc[0]);
+			ctx.arc(x1, y1, r, aa[3], aa[2], true);
+			ctx.arc(x2, y2, r, bb[1], bb[0], true);
+			ctx.fill();
+		}
+
+		if (typeof ctx.setLineDash == 'undefined')
+			ctx.setLineDash = function () {};
+		ctx.setLineDash([]);
+		ctx.strokeStyle = strokeStyle;
+		ctx.lineWidth = lineWidth;
+		ctx.strokeRect(l, t, w, h);
+
+		ctx.beginPath();
+		ctx.strokeStyle = colorA;
+		ctx.arc(centerA[0], centerA[1], radius, 0, 2 * Math.PI);
+		ctx.stroke();
+
+		ctx.beginPath();
+		ctx.strokeStyle = colorB;
+		ctx.arc(centerB[0], centerB[1], radius, 0, 2 * Math.PI);
+		ctx.stroke();
+
+		ctx.beginPath();
+		ctx.strokeStyle = colorC;
+		ctx.arc(centerC[0], centerC[1], radius, 0, 2 * Math.PI);
+		ctx.stroke();
+
+		/*var xy = [centerA[0]-(radius*1.25)*Math.cos(Math.PI/4),centerA[1]-(radius*1.25)*Math.cos(Math.PI/4)];
+		text({ctx:ctx,textArray:labelA,left:xy[0]-100,width:200,top:xy[1]-100,height:200,textAlign:'center',vertAlign:'middle',padding:0.1,});
+
+		var xy = [centerB[0]+(radius*1.25)*Math.cos(Math.PI/4),centerB[1]-(radius*1.25)*Math.cos(Math.PI/4)];
+		text({ctx:ctx,textArray:labelB,left:xy[0]-100,width:200,top:xy[1]-100,height:200,textAlign:'center',vertAlign:'middle',padding:0.1,});
+
+		var xy = [centerC[0]+(radius*1.25)*Math.cos(Math.PI/4),centerC[1]+(radius*1.25)*Math.cos(Math.PI/4)];
+		text({ctx:ctx,textArray:labelC,left:xy[0]-100,width:200,top:xy[1]-100,height:200,textAlign:'center',vertAlign:'middle',padding:0.1,});
+		 */
+
+		ctx.restore();
+	},
+	drawButton: function (ctx, size, type) {
+		draw.vennDiagram3.draw(ctx, {
+			type: 'vennDiagram3',
+			left: 0.1 * size,
+			top: size * 0.1,
+			width: 0.8 * size,
+			lineWidth: 1,
+			color: '#000',
+			fillColor: '#3FF',
+			shade: [false, false, true, false, false, true, false, false]
+		});
+	},
+	getRect: function (obj) {
+		return [obj.left, obj.top, obj.width, obj.width];
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.left += dl;
+		obj.top += dt;
+		obj.width += dw;
+	},
+	setLineWidth: function (obj, lineWidth) {
+		obj.lineWidth = lineWidth;
+	},
+	setLineColor: function (obj, color) {
+		obj.color = color;
+	},
+	setFillColor: function (obj, color) {
+		obj.fillColor = color;
+	},
+	getLineWidth: function (obj) {
+		return obj.lineWidth;
+	},
+	getLineColor: function (obj) {
+		return obj.color;
+	},
+	getFillColor: function (obj) {
+		return obj.fillColor;
+	},
+	getCursorPositionsSelected: function (obj, pathNum) {
+		return [{
+				shape: 'rect',
+				dims: draw.vennDiagram3.getRect(obj),
+				cursor: draw.cursors.pointer,
+				func: draw.vennDiagram3.clickToggleShade,
+				obj: obj
+			}
+		];
+	},
+	getCursorPositionsInteract: function (obj) {
+		var pos = [];
+		if (!un(obj.interact) && obj.interact.type === 'venn') {
+			pos.push({
+				shape: 'rect',
+				dims: draw.vennDiagram3.getRect(obj),
+				cursor: draw.cursors.pointer,
+				func: draw.vennDiagram3.clickToggleShade,
+				obj: obj
+			});
+		}
+		return pos;
+	},
+	clickToggleShade: function (e) {
+		var obj = draw.currCursor.obj;
+		var pos = [mouse.x - draw.drawRelPos[0], mouse.y - draw.drawRelPos[1]];
+		var inA = dist(pos[0], pos[1], obj._centerA[0], obj._centerA[1]) < obj._radius ? true : false;
+		var inB = dist(pos[0], pos[1], obj._centerB[0], obj._centerB[1]) < obj._radius ? true : false;
+		var inC = dist(pos[0], pos[1], obj._centerC[0], obj._centerC[1]) < obj._radius ? true : false;
+		if (inA && inB && inC) {
+			obj.shade[0] = !obj.shade[0];
+		} else if (inA && inB && !inC) {
+			obj.shade[1] = !obj.shade[1];
+		} else if (inA && !inB && inC) {
+			obj.shade[2] = !obj.shade[2];
+		} else if (inA && !inB && !inC) {
+			obj.shade[3] = !obj.shade[3];
+		} else if (!inA && inB && inC) {
+			obj.shade[4] = !obj.shade[4];
+		} else if (!inA && inB && !inC) {
+			obj.shade[5] = !obj.shade[5];
+		} else if (!inA && !inB && inC) {
+			obj.shade[6] = !obj.shade[6];
+		} else if (!inA && !inB && !inC) {
+			obj.shade[7] = !obj.shade[7];
+		}
+		drawCanvasPaths();
+	},
+	scale: function (obj, sf, center) {
+		if (!un(center)) {
+			obj.left = center[0] + sf * (obj.left - center[0]);
+			obj.top = center[1] + sf * (obj.top - center[1]);
+		}
+		obj.width *= sf;
+		if (!un(obj.lineWidth))
+			obj.lineWidth *= sf;
+	}
+};
+draw.vennDiagram2 = {
+	resizable: true,
+	add: function () {
+		deselectAllPaths();
+		var obj = {
+			type: 'vennDiagram2',
+			left: 50 - draw.drawRelPos[0],
+			top: 50 - draw.drawRelPos[1],
+			width: 600,
+			lineWidth: 4,
+			color: '#000',
+			fillColor: '#3FF',
+			shade: [false, false, false, false]
+		};
+		draw.path.push({
+			obj: [obj],
+			selected: true
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+		console.log(sel());
+	},
+	draw: function (ctx, obj, path) {
+		var l = obj.left;
+		var t = obj.top;
+		var w = obj.width;
+		var h = w * 0.65;
+		var radius = w * 0.24;
+		var centerA = obj.centerA || [l + w * 0.35, t + h / 2];
+		var centerB = obj.centerB || [l + w * 0.65, t + h / 2];
+		var lineWidth = obj.lineWidth;
+		var strokeStyle = obj.color;
+		var colorA = obj.colorA || strokeStyle;
+		var colorB = obj.colorB || strokeStyle;
+		var labelA = obj.labelA || ['<<fontSize:' + (w / 12) + '>>A'];
+		var labelB = obj.labelB || ['<<fontSize:' + (w / 12) + '>>B'];
+		var fillStyle = obj.fillColor;
+		obj._radius = radius;
+		obj._centerA = centerA;
+		obj._centerB = centerB;
+
+		var x1 = centerA[0];
+		var y1 = centerA[1];
+		var x2 = centerB[0];
+		var y2 = centerB[1];
+		var r = radius;
+		ctx.fillStyle = obj.fillColor;
+		if (obj.shade[3] == true) {
+			ctx.fillRect(l, t, w, h);
+			ctx.fillStyle = mainCanvasFillStyle;
+			ctx.beginPath();
+			ctx.arc(x1, y1, r, 0, 2 * Math.PI);
+			ctx.fill();
+			ctx.beginPath();
+			ctx.arc(x2, y2, r, 0, 2 * Math.PI);
+			ctx.fill();
+			ctx.fillStyle = obj.fillColor;
+		}
+		var angle = Math.acos((x2 - x1) / (2 * r));
+
+		if (obj.shade[0] == true) {
+			ctx.beginPath();
+			ctx.arc(x1, y1, r, -angle, angle);
+			ctx.arc(x2, y2, r, Math.PI - angle, Math.PI + angle);
+			ctx.fill();
+		}
+		if (obj.shade[1] == true) {
+			ctx.beginPath();
+			ctx.arc(x1, y1, r, angle, 2 * Math.PI - angle);
+			ctx.arc(x2, y2, r, Math.PI + angle, Math.PI - angle, true);
+			ctx.fill();
+		}
+		if (obj.shade[2] == true) {
+			ctx.beginPath();
+			ctx.arc(x1, y1, r, angle, -angle, true);
+			ctx.arc(x2, y2, r, Math.PI + angle, Math.PI - angle);
+			ctx.fill();
+		}
+
+		if (typeof ctx.setLineDash == 'undefined')
+			ctx.setLineDash = function () {};
+		ctx.setLineDash([]);
+		ctx.strokeStyle = strokeStyle;
+		ctx.lineWidth = lineWidth;
+		ctx.strokeRect(l, t, w, h);
+
+		ctx.beginPath();
+		ctx.strokeStyle = colorA;
+		ctx.arc(centerA[0], centerA[1], radius, 0, 2 * Math.PI);
+		ctx.stroke();
+
+		ctx.beginPath();
+		ctx.strokeStyle = colorB;
+		ctx.arc(centerB[0], centerB[1], radius, 0, 2 * Math.PI);
+		ctx.stroke();
+
+		/*
+		var xy = [centerA[0]-(radius*1.25)*Math.cos(Math.PI/4),centerA[1]-(radius*1.25)*Math.cos(Math.PI/4)];
+		text({ctx:ctx,textArray:labelA,left:xy[0]-100,width:200,top:xy[1]-100,height:200,textAlign:'center',vertAlign:'middle',padding:0.1});
+
+		var xy = [centerB[0]+(radius*1.25)*Math.cos(Math.PI/4),centerB[1]-(radius*1.25)*Math.cos(Math.PI/4)];
+		text({ctx:ctx,textArray:labelB,left:xy[0]-100,width:200,top:xy[1]-100,height:200,textAlign:'center',vertAlign:'middle',padding:0.1});
+		 */
+	},
+	drawButton: function (ctx, size, type) {
+		draw.vennDiagram2.draw(ctx, {
+			type: 'vennDiagram2',
+			left: 0.1 * size,
+			top: size * 0.2,
+			width: 0.8 * size,
+			lineWidth: 1,
+			color: '#000',
+			fillColor: '#3FF',
+			shade: [true, false, true, false]
+		});
+	},
+	getRect: function (obj) {
+		return [obj.left, obj.top, obj.width, obj.width * 0.65];
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.left += dl;
+		obj.top += dt;
+		obj.width += dw;
+	},
+	setLineWidth: function (obj, lineWidth) {
+		obj.lineWidth = lineWidth;
+	},
+	setLineColor: function (obj, color) {
+		obj.color = color;
+	},
+	setFillColor: function (obj, color) {
+		obj.fillColor = color;
+	},
+	getLineWidth: function (obj) {
+		return obj.lineWidth;
+	},
+	getLineColor: function (obj) {
+		return obj.color;
+	},
+	getFillColor: function (obj) {
+		return obj.fillColor;
+	},
+	getCursorPositionsSelected: function (obj, pathNum) {
+		return [{
+				shape: 'rect',
+				dims: draw.vennDiagram2.getRect(obj),
+				cursor: draw.cursors.pointer,
+				func: draw.vennDiagram2.clickToggleShade,
+				obj: obj
+			}
+		];
+	},
+	getCursorPositionsInteract: function (obj) {
+		var pos = [];
+		if (!un(obj.interact) && obj.interact.type === 'venn') {
+			pos.push({
+				shape: 'rect',
+				dims: draw.vennDiagram2.getRect(obj),
+				cursor: draw.cursors.pointer,
+				func: draw.vennDiagram2.clickToggleShade,
+				obj: obj
+			});
+		}
+		return pos;
+	},
+	clickToggleShade: function (e) {
+		var obj = draw.currCursor.obj;
+		var pos = [mouse.x - draw.drawRelPos[0], mouse.y - draw.drawRelPos[1]];
+		var inA = dist(pos[0], pos[1], obj._centerA[0], obj._centerA[1]) < obj._radius ? true : false;
+		var inB = dist(pos[0], pos[1], obj._centerB[0], obj._centerB[1]) < obj._radius ? true : false;
+		if (inA && inB) {
+			obj.shade[0] = !obj.shade[0];
+		} else if (inA && !inB) {
+			obj.shade[1] = !obj.shade[1];
+		} else if (!inA && inB) {
+			obj.shade[2] = !obj.shade[2];
+		} else if (!inA && !inB) {
+			obj.shade[3] = !obj.shade[3];
+		}
+		drawCanvasPaths();
+	},
+	scale: function (obj, sf, center) {
+		if (!un(center)) {
+			obj.left = center[0] + sf * (obj.left - center[0]);
+			obj.top = center[1] + sf * (obj.top - center[1]);
+		}
+		obj.width *= sf;
+		if (!un(obj.lineWidth))
+			obj.lineWidth *= sf;
+	}
+};
+
+draw.star = {
+	resizable: true,
+	add: function () {
+		deselectAllPaths();
+		var obj = {
+			type: 'star',
+			center: [150 - draw.drawRelPos[0], 150 - draw.drawRelPos[1]],
+			radius: 100,
+			points: 5,
+			step: 2,
+			lineWidth: 2,
+			color: '#000',
+			fillColor: 'none',
+		};
+		draw.path.push({
+			obj: [obj],
+			selected: true
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+	},
+	draw: function (ctx, obj, path) {
+		var c = obj.center;
+		var r = obj.radius;
+		var p = obj.points;
+		var s = obj.step;
+		var vertices = [];
+		for (var i = 0; i < p; i++) {
+			var angle = -Math.PI / 2 + i * (2 * Math.PI) / p;
+			vertices.push([c[0] + r * Math.cos(angle), c[1] + r * Math.sin(angle)]);
+		}
+		ctx.moveTo(vertices[0][0], vertices[0][1]);
+		for (var i = p; i >= 0; i--) {
+			ctx.lineTo(vertices[(i * s) % p][0], vertices[(i * s) % p][1]);
+		}
+		if (obj.fillColor !== 'none') {
+			ctx.fillStyle = obj.fillColor;
+			ctx.fill();
+		}
+		if (obj.color !== 'none') {
+			ctx.lineWidth = obj.lineWidth;
+			ctx.strokeStyle = obj.color;
+			ctx.stroke();
+		}
+	},
+	drawButton: function (ctx, size, type) {
+		draw.star.draw(ctx, {
+			type: 'star',
+			center: [0.5 * size, 0.5 * size],
+			radius: 0.3 * size,
+			points: 5,
+			step: 2,
+			lineWidth: 1,
+			color: '#000',
+			fillColor: 'none'
+		});
+	},
+	getRect: function (obj) {
+		return [obj.center[0] - obj.radius, obj.center[1] - obj.radius, 2 * obj.radius, 2 * obj.radius];
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.center[0] += dl;
+		obj.center[1] += dt;
+		if (dw !== 0 || dh !== 0) {
+			var x = mouse.x - draw.drawRelPos[0];
+			var y = mouse.y - draw.drawRelPos[1];
+			obj.radius = Math.abs(Math.min(x - obj.center[0], y - obj.center[1]));
+		}
+	},
+	setLineWidth: function (obj, lineWidth) {
+		obj.lineWidth = lineWidth;
+	},
+	setLineColor: function (obj, color) {
+		obj.color = color;
+	},
+	setFillColor: function (obj, color) {
+		obj.fillColor = color;
+	},
+	getLineWidth: function (obj) {
+		return obj.lineWidth;
+	},
+	getLineColor: function (obj) {
+		return obj.color;
+	},
+	getFillColor: function (obj) {
+		return obj.fillColor;
+	},
+	scale: function (obj, sf, center) {
+		if (un(center))
+			var center = obj.center;
+		obj.center[0] = center[0] + sf * (obj.center[0] - center[0]);
+		obj.center[1] = center[1] + sf * (obj.center[1] - center[1]);
+		if (!un(obj.radius))
+			obj.radius *= sf;
+		if (!un(obj.lineWidth))
+			obj.lineWidth *= sf;
+	},
+	getControlPanel: function (obj) {
+		var elements = [{
+				name: 'Style',
+				type: 'style'
+			}, {
+				name: 'Points',
+				type: 'increment',
+				increment: function (obj, value) {
+					obj.points = Math.max(3, Math.min(obj.points + value, 20));
+				}
+			}, {
+				name: 'Step',
+				type: 'increment',
+				increment: function (obj, value) {
+					obj.step = Math.max(2, Math.min(obj.step + value, obj.points));
+				}
+			}
+		];
+		return {
+			obj: obj,
+			elements: elements
+		};
+	}
+};
+draw.pieChart = {
+	resizable: true,
+	add: function (x, y, r1, a1, a2, a3) {
+		deselectAllPaths(false);
+		draw.path.push({
+			obj: [{
+					type: 'pieChart',
+					center: [150 - draw.drawRelPos[0], 150 - draw.drawRelPos[1]],
+					radius: 100,
+					angles: [0, (1 / 3) * Math.PI, (1 / 1) * Math.PI, (3 / 2) * Math.PI],
+					fill: draw.pieChart.colorSchemes[0].slice(0, 4),
+					color: draw.color,
+					thickness: draw.thickness,
+				}
+			],
+			selected: true,
+			trigger: []
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+		changeDrawMode();
+	},
+	draw: function (ctx, obj, path) {
+		ctx.strokeStyle = obj.color;
+		ctx.lineWidth = obj.thickness;
+
+		obj._pos = [];
+		for (var a = 0; a < obj.angles.length; a++) {
+			var angle = obj.angles[a];
+			obj._pos[a] = [obj.center[0] + obj.radius * Math.cos(angle), obj.center[1] + obj.radius * Math.sin(angle)];
+		}
+		for (var a = 0; a < obj.angles.length; a++) {
+			var pos = obj._pos[a];
+			var angle = obj.angles[a];
+			var next = obj.angles[(a + 1) % obj.angles.length];
+			ctx.beginPath();
+			ctx.moveTo(obj.center[0], obj.center[1]);
+			ctx.lineTo(pos[0], pos[1]);
+			ctx.arc(obj.center[0], obj.center[1], obj.radius, angle, next);
+			ctx.lineTo(obj.center[0], obj.center[1]);
+			ctx.fillStyle = obj.fill[a];
+			ctx.fill();
+		}
+		for (var a = 0; a < obj.angles.length; a++) {
+			var pos = obj._pos[a];
+			ctx.beginPath();
+			ctx.moveTo(obj.center[0], obj.center[1]);
+			ctx.lineTo(pos[0], pos[1]);
+			ctx.stroke();
+		}
+		ctx.beginPath();
+		ctx.arc(obj.center[0], obj.center[1], obj.radius, 0, 2 * Math.PI);
+		ctx.stroke();
+
+		obj._angleLabelPos = [];
+		if (!un(obj.showAngles)) {
+			for (var a = 0; a < obj.showAngles.length; a++) {
+				if (un(obj.showAngles[a]))
+					continue;
+				var angleObj = clone(obj.showAngles[a]);
+				angleObj.ctx = ctx;
+				angleObj.drawLines = boolean(angleObj.drawLines, false);
+				angleObj.radius = angleObj.radius || 30;
+				angleObj.lineColor = angleObj.lineColor || '#000';
+				angleObj.labelMeasure = boolean(angleObj.labelMeasure, true);
+				angleObj.labelFontSize = angleObj.labelFontSize || 25;
+				angleObj.labelRadius = angleObj.labelRadius || 33;
+				angleObj.labelColor = angleObj.labelColor || angleObj.lineColor;
+				angleObj.lineWidth = angleObj.lineWidth || 2;
+				var pos = obj._pos[a];
+				var angle = obj.angles[a];
+				var next = obj._pos[(a + 1) % obj._pos.length];
+				angleObj.b = obj.center;
+				angleObj.a = pos;
+				angleObj.c = next;
+				obj._angleLabelPos[a] = drawAngle(angleObj);
+			}
+		}
+
+		if (!un(path) && path.obj.length == 1 && path.selected == true) {
+			ctx.lineWidth = 1;
+			ctx.strokeStyle = '#000';
+			ctx.fillStyle = '#F00';
+			var angleObj = {
+				ctx: ctx,
+				drawLines: false,
+				radius: 30,
+				lineColor: colorA(obj.color, 0.3),
+				labelMeasure: true,
+				labelFontSize: 25,
+				labelRadius: 33,
+				labelColor: colorA(obj.color, 0.3),
+				lineWidth: 2
+			};
+			for (var a = 0; a < obj.angles.length; a++) {
+				var pos = obj._pos[a];
+				if (un(obj.showAngles) || un(obj.showAngles[a])) {
+					var angle = obj.angles[a];
+					var next = obj._pos[(a + 1) % obj._pos.length];
+					angleObj.b = obj.center;
+					angleObj.a = pos;
+					angleObj.c = next;
+					obj._angleLabelPos[a] = drawAngle(angleObj);
+				}
+				ctx.beginPath();
+				ctx.arc(pos[0], pos[1], 7, 0, 2 * Math.PI);
+				ctx.fill();
+				ctx.stroke();
+			}
+		}
+	},
+	drawButton: function (ctx, size, type) {
+		draw.pieChart.draw(ctx, {
+			type: 'pieChart',
+			center: [0.5 * size, 0.5 * size],
+			radius: 0.3 * size,
+			angles: [0, (1 / 3) * Math.PI, (1 / 1) * Math.PI, (3 / 2) * Math.PI],
+			fill: ['#F66', '#66F', '#6F6', '#F90'],
+			color: '#000',
+			thickness: 1,
+		});
+	},
+	getRect: function (obj) {
+		return [obj.center[0] - obj.radius, obj.center[1] - obj.radius, 2 * obj.radius, 2 * obj.radius];
+	},
+	getButtons: function (x1, y1, x2, y2, pathNum) {
+		var buttons = [];
+		buttons.push({
+			buttonType: 'anglesAroundPoint-pointsMinus',
+			shape: 'rect',
+			dims: [x2 - 20, y2 - 40, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.pieChart.pointsMinus,
+			pathNum: pathNum
+		});
+		buttons.push({
+			buttonType: 'anglesAroundPoint-pointsPlus',
+			shape: 'rect',
+			dims: [x2 - 20, y2 - 60, 20, 20],
+			cursor: draw.cursors.pointer,
+			func: draw.pieChart.pointsPlus,
+			pathNum: pathNum
+		});
+		if (!un(draw.path[pathNum]) && !un(draw.path[pathNum].obj)) {
+			buttons.push({
+				buttonType: 'pieChart-colorSchemeToggle',
+				shape: 'rect',
+				dims: [x2 - 20, y2 - 80, 20, 20],
+				cursor: draw.cursors.pointer,
+				func: draw.pieChart.toggleColorScheme,
+				pathNum: pathNum,
+				obj: draw.path[pathNum].obj[0],
+				draw: function (path, ctx, l, t, w, h) {
+					ctx.fillStyle = colorA('#00F', 0.5);
+					ctx.fillRect(l, t, w / 2, h / 2);
+					ctx.fillStyle = colorA('#F66', 0.5);
+					ctx.fillRect(l + w / 2, t, w / 2, h / 2);
+					ctx.fillStyle = colorA('#CFC', 0.5);
+					ctx.fillRect(l, t + h / 2, w / 2, h / 2);
+					ctx.fillStyle = colorA('#999', 0.5);
+					ctx.fillRect(l + w / 2, t + h / 2, w / 2, h / 2);
+				}
+			});
+		}
+		return buttons;
+	},
+	getCursorPositionsSelected: function (obj, pathNum) {
+		var pos = [];
+		for (var a = 0; a < obj.angles.length; a++) {
+			var a1 = obj.angles[a];
+			var a2 = obj.angles[(a + 1) % obj.angles.length];
+
+			pos.push({
+				shape: 'sector',
+				dims: [obj.center[0], obj.center[1], obj.radius, a1, a2],
+				cursor: draw.cursors.pointer,
+				func: draw.pieChart.incColor,
+				pathNum: pathNum,
+				obj: obj,
+				index: a
+			});
+
+			pos.push({
+				shape: 'sector',
+				dims: [obj.center[0], obj.center[1], 25, a1, a2],
+				cursor: draw.cursors.pointer,
+				func: draw.pieChart.toggleShowAngle,
+				pathNum: pathNum,
+				obj: obj,
+				index: a
+			});
+
+			if (!un(obj._angleLabelPos) && !un(obj._angleLabelPos[a])) {
+				pos.push({
+					shape: 'rect',
+					dims: obj._angleLabelPos[a],
+					cursor: draw.cursors.pointer,
+					func: draw.pieChart.toggleShowAngleLabel,
+					pathNum: pathNum,
+					obj: obj,
+					index: a
+				});
+			}
+		}
+		for (var a = 0; a < obj.angles.length; a++) {
+			var pos2 = obj._pos[a];
+			pos.push({
+				shape: 'circle',
+				dims: [pos2[0], pos2[1], 8],
+				cursor: draw.cursors.pointer,
+				func: draw.pieChart.startPointDrag,
+				pathNum: pathNum,
+				index: a
+			});
+		}
+		return pos;
+	},
+	getSnapPos: function (obj) {
+		var pos = [{
+				type: 'point',
+				pos: obj.center
+			}
+		];
+		for (var a = 0; a < obj.angles.length; a++) {
+			var angle = obj.angles[a];
+			pos.push({
+				type: 'point',
+				pos: [obj.center[0] + obj.radius * Math.cos(angle), obj.center[1] + obj.radius * Math.sin(angle)]
+			});
+		}
+		return pos;
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.center[0] += dl;
+		obj.center[1] += dt;
+		if (dw !== 0 || dh !== 0) {
+			var x = mouse.x - draw.drawRelPos[0];
+			var y = mouse.y - draw.drawRelPos[1];
+			obj.radius = Math.abs(Math.min(x - obj.center[0], y - obj.center[1]));
+		}
+	},
+	setLineWidth: function (obj, lineWidth) {
+		obj.thickness = lineWidth;
+	},
+	setLineColor: function (obj, color) {
+		obj.color = color;
+	},
+	getLineWidth: function (obj) {
+		return obj.thickness;
+	},
+	getLineColor: function (obj) {
+		return obj.color;
+	},
+
+	pointsMinus: function (path) {
+		if (un(path))
+			path = draw.path[draw.currCursor.pathNum];
+		var obj = path.obj[0];
+		if (obj.angles.length > 2) {
+			obj.angles.pop();
+			updateBorder(path);
+			drawCanvasPaths();
+			drawSelectCanvas();
+		}
+	},
+	pointsPlus: function (path) {
+		if (un(path))
+			path = draw.path[draw.currCursor.pathNum];
+		var obj = path.obj[0];
+		var angle = (obj.angles.last() + 2 * Math.PI) / 2;
+		obj.angles.push(angle);
+		obj.fill.push('#F66');
+		updateBorder(path);
+		drawCanvasPaths();
+		drawSelectCanvas();
+	},
+	colorSchemes: [
+		['#FF0', '#F0F', '#0FF', '#F90', '#F09', '#0F9'],
+		['#66F', '#F66', '#6F6', '#FF6', '#F6F', '#6FF'],
+		['#CCF', '#FCC', '#CFC', '#FFC', '#FCF', '#CFF'],
+		['#AAA', '#666', '#EEE', '#888', '#CCC', '#444']
+	],
+	toggleColorScheme: function () {
+		var obj = draw.currCursor.obj;
+		if (un(obj.scheme))
+			obj.scheme = 0;
+		var oldsch = draw.pieChart.colorSchemes[obj.scheme];
+		obj.scheme = (obj.scheme + 1) % draw.pieChart.colorSchemes.length;
+		var newsch = draw.pieChart.colorSchemes[obj.scheme];
+		for (var f = 0; f < obj.fill.length; f++) {
+			var index = oldsch.indexOf(obj.fill[f]);
+			if (index == -1)
+				index = 0;
+			obj.fill[f] = newsch[index];
+		}
+		drawCanvasPaths();
+	},
+	incColor: function () {
+		var obj = draw.currCursor.obj;
+		if (un(obj.scheme))
+			obj.scheme = 0;
+		var colors = draw.pieChart.colorSchemes[obj.scheme];
+		var fill = obj.fill;
+		var index = draw.currCursor.index;
+		var colorIndex = colors.indexOf(fill[index]);
+		fill[index] = colors[(colorIndex + 1) % colors.length];
+		drawCanvasPaths();
+	},
+	toggleShowAngle: function () {
+		var obj = draw.currCursor.obj;
+		var index = draw.currCursor.index;
+		if (un(obj.showAngles))
+			obj.showAngles = [];
+		if (un(obj.showAngles[index])) {
+			obj.showAngles[index] = {};
+		} else {
+			delete obj.showAngles[index];
+		}
+		drawCanvasPaths();
+	},
+	toggleShowAngleLabel: function () {
+		var obj = draw.currCursor.obj;
+		var index = draw.currCursor.index;
+		if (un(obj.showAngles))
+			obj.showAngles = [];
+		if (un(obj.showAngles[index])) {
+			obj.showAngles[index] = {};
+		} else {
+			obj.showAngles[index].labelMeasure = un(obj.showAngles[index].labelMeasure) ? false : !obj.showAngles[index].labelMeasure;
+		}
+		drawCanvasPaths();
+	},
+	startPointDrag: function () {
+		changeDrawMode('pieChartPointDrag');
+		draw.currPathNum = draw.currCursor.pathNum;
+		draw.currIndex = draw.currCursor.index;
+		draw.animate(draw.pieChart.pointMove,draw.pieChart.pointStop,drawCanvasPaths);				
+		//addListenerMove(window, draw.pieChart.pointMove);
+		//addListenerEnd(window, draw.pieChart.pointStop);
+	},
+	pointMove: function (e) {
+		updateMouse(e);
+		var obj = draw.path[draw.currPathNum].obj[0];
+		var prevAngle = obj.angles[draw.currIndex];
+		var angle = roundToNearest(getAngleFromAToB(obj.center, draw.mouse), 0.001);
+		obj.angles[draw.currIndex] = angle;
+		obj.angles.sort();
+		if (prevAngle < 1 && angle > 5.3) { // if angle crosses zero, shift colors
+			obj.fill.push(obj.fill.shift());
+		} else if (prevAngle > 5.3 && angle < 1) {
+			obj.fill.unshift(obj.fill.pop());
+		}
+		var newIndex = obj.angles.indexOf(angle);
+		draw.currIndex = newIndex;
+		updateBorder(draw.path[draw.currPathNum]);
+		//drawSelectedPaths();
+		//drawSelectCanvas();
+	},
+	pointStop: function (e) {
+		var pathNum = draw.currPathNum;
+		var point = draw.currPoint;
+		var obj = draw.path[pathNum].obj[0];
+		if (draw.gridSnap == true) {
+			obj.points[point][0] = roundToNearest(obj.points[point][0], draw.gridSnapSize);
+			obj.points[point][1] = roundToNearest(obj.points[point][1], draw.gridSnapSize);
+			updateBorder(draw.path[pathNum]);
+			drawSelectedPaths();
+			drawSelectCanvas();
+		}
+		delete draw.currPathNum;
+		delete draw.currIndex;
+		//removeListenerMove(window, draw.pieChart.pointMove);
+		//removeListenerEnd(window, draw.pieChart.pointStop);
+		changeDrawMode();
+	},
+	scale: function (obj, sf, center) {
+		if (un(center))
+			var center = obj.center;
+		obj.center[0] = center[0] + sf * (obj.center[0] - center[0]);
+		obj.center[1] = center[1] + sf * (obj.center[1] - center[1]);
+		if (!un(obj.radius))
+			obj.radius *= sf;
+		if (!un(obj.thickness))
+			obj.thickness *= sf;
+	}
+
+};
+draw.linkIcon = {
+	draw: function (ctx, obj, path) {
+		ctx.save();
+		var rect = obj.rect;
+		ctx.translate(rect[0], rect[1]);
+		ctx.lineWidth = obj.lineWidth || 5;
+		ctx.strokeStyle = obj.color || '#000';
+		ctx.lineJoin = 'round';
+		ctx.lineCap = 'round';
+		var w = rect[2];
+		var h = rect[3] || rect[2];
+		ctx.beginPath();
+
+		ctx.moveTo(w, h * 0.7);
+		ctx.lineTo(w, h * 0.8);
+		ctx.arc(w * 0.8, h - w * 0.2, w * 0.2, 0, 0.5 * Math.PI);
+		ctx.lineTo(w * 0.8, h);
+		ctx.arc(w * 0.2, h - w * 0.2, w * 0.2, 0.5 * Math.PI, 1 * Math.PI);
+		ctx.lineTo(0, h - w * 0.2);
+		ctx.arc(w * 0.2, w * 0.2, w * 0.2, 1 * Math.PI, 1.5 * Math.PI);
+		ctx.lineTo(w * 0.3, 0);
+		ctx.stroke();
+
+		drawArrow({
+			ctx: ctx,
+			startX: w * 0.4,
+			startY: h * 0.6,
+			finX: w,
+			finY: 0.01,
+			arrowLength: 0.33 * w,
+			fillArrow: true,
+			lineWidth: ctx.lineWidth,
+			color: ctx.color,
+			angleBetweenLinesRads: 0.6
+		});
+
+		ctx.translate(-rect[0], -rect[1]);
+		ctx.restore();
+	},
+
+}
+
+draw.constructionButtons = {
+	add: function () {
+		deselectAllPaths(false);
+		draw.path.push({
+			obj: [{
+					type: 'buttonCompassHelp',
+					left: 20,
+					top: 20,
+					interact: {
+						click: function (obj) {
+							draw[obj.type].click(obj)
+						},
+						overlay: true
+					}
+				}
+			],
+			selected: true,
+			trigger: []
+		});
+
+		draw.path.push({
+			obj: [{
+					type: 'compassHelp',
+					left: 100,
+					top: 20,
+					interact: {
+						overlay: true
+					}
+				}
+			],
+			selected: true,
+			trigger: []
+		});
+
+		var types = ['buttonColorPicker', 'buttonLine', 'buttonPen', 'buttonCompass', 'buttonProtractor', 'buttonRuler', 'buttonUndo', 'buttonClear'];
+		for (var t = 0; t < types.length; t++) {
+			draw.path.push({
+				obj: [{
+						type: types[t],
+						left: 20,
+						top: 685 - 65 * (types.length - t),
+						interact: {
+							click: function (obj) {
+								draw[obj.type].click(obj)
+							},
+							overlay: true
+						}
+					}
+				],
+				selected: true,
+				trigger: []
+			});
+			if (types[t] == 'buttonColorPicker') {
+				draw.path.push({
+					obj: [{
+							type: 'colorPicker',
+							colors: ['#000', '#999', '#00F', '#F00', '#393', '#F0F', '#93C', '#F60'],
+							left: 80,
+							top: 685 - 65 * (types.length - t) + 3,
+							interact: {
+								click: function (obj) {
+									draw[obj.type].click(obj)
+								},
+								overlay: true
+							}
+						}
+					],
+					selected: true,
+					trigger: []
+				});
+			}
+		}
+		draw.updateAllBorders();
+		drawCanvasPaths();
+		changeDrawMode();
+	},
+	drawButton: function (ctx, size, type) {
+		draw.buttonCompass.draw(ctx, {
+			type: 'buttonCompass',
+			left: (size - 55) / 2,
+			top: (size - 55) / 2
+		});
+	}
+}
+draw.buttonCompass = {
+	resizable: false,
+	add: function () {
+		deselectAllPaths(false);
+		draw.path.push({
+			obj: [{
+					type: 'buttonCompass',
+					left: 150 - draw.drawRelPos[0],
+					top: 150 - draw.drawRelPos[1],
+					interact: {
+						click: function (obj) {
+							draw[obj.type].click(obj)
+						},
+						overlay: true
+					}
+				}
+			],
+			selected: true,
+			trigger: []
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+		changeDrawMode();
+	},
+	getRect: function (obj) {
+		return [obj.left, obj.top, 55, 55];
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.left += dl;
+		obj.top += dt;
+	},
+	drawButton: function (ctx, size, type) {
+		draw.buttonCompass.draw(ctx, {
+			type: 'buttonCompass',
+			left: (size - 55) / 2,
+			top: (size - 55) / 2
+		});
+	},
+	draw: function (ctx, obj, path) {
+		var color = draw.buttonColor;
+		if (draw.compassVisible == true)
+			color = draw.buttonSelectedColor;
+		ctx.translate(obj.left, obj.top);
+		roundedRect(ctx, 3, 3, 49, 49, 8, 6, '#000', color);
+		ctx.lineWidth = 1;
+		ctx.strokeStyle = '#000';
+
+		var center1 = [13, 45];
+		var center2 = [26, 15];
+		var center3 = [40, 45];
+		var armLength = Math.sqrt(Math.pow(0.5 * (center3[0] - center1[0]), 2) + Math.pow(center2[1] - center1[1], 2));
+
+		var angle2 = -0.5 * Math.PI - Math.atan((center2[1] - center1[1]) / (center2[0] - center1[0]));
+		var angle3 = 0.5 * Math.PI - Math.atan((center3[1] - center2[1]) / (center3[0] - center2[0]));
+
+		// draw pointy arm
+		ctx.translate(center2[0], center2[1]);
+		ctx.rotate(-angle2);
+
+		if (draw.compassVisible) {
+			roundedRect(ctx, -2, 0, 4, armLength - 5, 1, 1, '#000');
+		} else {
+			roundedRect(ctx, -2, 0, 4, armLength - 5, 1, 1, '#000', '#99F');
+		}
+		ctx.strokeStyle = '#000';
+		ctx.lineWidth = 0.5;
+		ctx.beginPath();
+		ctx.moveTo(-1, armLength - 5);
+		ctx.lineTo(0, armLength);
+		ctx.lineTo(1, armLength - 5);
+		ctx.lineTo(-1, armLength - 5);
+		ctx.stroke();
+		if (draw.compassVisible) {
+			ctx.fillStyle = '#333';
+			ctx.fill();
+		}
+
+		ctx.rotate(angle2);
+		ctx.translate(-center2[0], -center2[1]);
+
+		//draw pencil
+		ctx.beginPath();
+		ctx.strokeStyle = '#000';
+		ctx.lineWidth = 1;
+		ctx.moveTo(40, 45);
+		ctx.lineTo(38, 42);
+		ctx.lineTo(38, 25);
+		ctx.lineTo(42, 25);
+		ctx.lineTo(42, 42);
+		ctx.lineTo(40, 45);
+		if (!draw.compassVisible) {
+			if (draw.color == '#000') {
+				ctx.fillStyle = '#FC3';
+			} else {
+				ctx.fillStyle = draw.color;
+			}
+			ctx.fill();
+		}
+		ctx.stroke();
+		ctx.beginPath();
+		ctx.moveTo(40, 45);
+		ctx.lineTo(38, 42);
+		ctx.lineTo(42, 42);
+		ctx.lineTo(40, 45);
+		if (!draw.compassVisible) {
+			ctx.fillStyle = '#FFC';
+			ctx.fill();
+		}
+		ctx.stroke();
+		ctx.beginPath();
+		if (draw.color == '#000') {
+			ctx.fillStyle = '#FC3';
+		} else {
+			ctx.fillStyle = draw.color;
+		}
+		ctx.moveTo(40, 45);
+		ctx.lineTo(39.5, 44.3);
+		ctx.lineTo(40.5, 45.7);
+		ctx.lineTo(40, 45);
+		ctx.fill();
+		ctx.stroke();
+
+		ctx.strokeRect(44, 15 + armLength * 0.5, 1, 5);
+
+		// draw pencil arm
+		ctx.translate(center2[0], center2[1]);
+		ctx.rotate(-angle3);
+
+		var pAngle = Math.PI / 14;
+
+		ctx.beginPath();
+		ctx.moveTo(-2, 0);
+		ctx.lineTo(2, 0);
+		ctx.lineTo(2, armLength * 0.7);
+		ctx.lineTo(6, armLength * 0.7);
+		ctx.lineTo(6, armLength * 0.7 + 4);
+		ctx.lineTo(-2, armLength * 0.7);
+		ctx.lineTo(-2, 0);
+		ctx.stroke();
+		if (!draw.compassVisible) {
+			ctx.fillStyle = '#99F';
+			ctx.fill();
+		}
+
+		if (!draw.compassVisible) {
+			ctx.fillRect(6.5, armLength * 0.5 - 0.5, 1, 5);
+		}
+
+		ctx.rotate(angle3);
+		ctx.translate(-center2[0], -center2[1]);
+
+		// draw top of compass
+		ctx.translate(center2[0], center2[1]);
+
+		roundedRect(ctx, -2.5, -3, 5, 7, 1, 1, '#000', '#000');
+		roundedRect(ctx, -1, -6, 2, 3, 0, 1, '#000', '#000');
+		ctx.fillStyle = '#CCC';
+		ctx.beginPath();
+		ctx.arc(0, 0, 1, 0, 2 * Math.PI);
+		ctx.fill();
+
+		ctx.translate(-center2[0], -center2[1]);
+		ctx.translate(-obj.left, -obj.top);
+	},
+	click: function () {
+		if (un(draw.compass))
+			draw.buttonCompass.initCompass();
+		draw.compassVisible = !draw.compassVisible;
+		moveToolToFront('compass');
+		drawToolsCanvas();
+		draw.cursors.update();
+		drawCanvasPaths();
+	},
+	initCompass: function (init) {
+		if (un(init))
+			init = {};
+		var center1 = init.center1 || [500, 450];
+		var radius = init.radius || 150;
+		var armLength = init.armLength || 250;
+		var angle = init.angle || 0;
+		var h = Math.sqrt(Math.pow(armLength, 2) - Math.pow(0.5 * radius, 2));
+		var center2 = [center1[0] + 0.5 * radius * Math.cos(angle) + h * Math.sin(angle), center1[1] + 0.5 * radius * Math.sin(angle) - h * Math.cos(angle)];
+		var center3 = [center1[0] + radius * Math.cos(angle), center1[1] + radius * Math.sin(angle)];
+
+		var angle2 = (angle % (2 * Math.PI));
+		if (angle2 < 0)
+			angle2 += 2 * Math.PI;
+		if (angle2 > 0.5 * Math.PI && angle2 < 1.5 * Math.PI) {
+			var drawOn = 'left';
+		} else {
+			var drawOn = 'right';
+		}
+
+		var mp1 = midpoint(center1[0], center1[1], center3[0], center3[1]);
+		var mp2 = midpoint(center2[0], center2[1], mp1[0], mp1[1]);
+
+		draw.compass = {
+			center1: center1.slice(0),
+			startCenter1: center1.slice(0),
+			center2: center2.slice(0),
+			startCenter2: center2.slice(0),
+			center3: center3.slice(0),
+			startCenter3: center3.slice(0),
+			radius: radius,
+			startRadius: radius,
+			h: h,
+			startH: h,
+			armLength: armLength,
+			radiusLocked: false,
+			angle: angle,
+			startAngle: angle,
+			drawOn: drawOn,
+			startDrawOn: drawOn,
+			lockCenter: mp2.slice(0),
+			mode: 'none',
+		}
+		recalcCompassValues();
+	}
+};
+draw.buttonProtractor = {
+	resizable: false,
+	add: function () {
+		deselectAllPaths(false);
+		draw.path.push({
+			obj: [{
+					type: 'buttonProtractor',
+					left: 150 - draw.drawRelPos[0],
+					top: 150 - draw.drawRelPos[1],
+					interact: {
+						click: function (obj) {
+							draw[obj.type].click(obj)
+						},
+						overlay: true
+					}
+				}
+			],
+			selected: true,
+			trigger: []
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+		changeDrawMode();
+	},
+	getRect: function (obj) {
+		return [obj.left, obj.top, 55, 55];
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.left += dl;
+		obj.top += dt;
+	},
+	drawButton: function (ctx, size, type) {
+		draw.buttonProtractor.draw(ctx, {
+			type: 'buttonProtractor',
+			left: (size - 55) / 2,
+			top: (size - 55) / 2
+		});
+	},
+	draw: function (ctx, obj, path) {
+		ctx.translate(obj.left, obj.top);
+		var color = draw.buttonColor;
+		if (draw.protractorVisible == true)
+			color = draw.buttonSelectedColor;
+		roundedRect(ctx, 3, 3, 49, 49, 8, 6, '#000', color);
+		ctx.lineWidth = 1;
+		ctx.strokeStyle = '#000';
+		ctx.beginPath();
+		ctx.moveTo(46.5, 35.5);
+		ctx.lineTo(46.5, 37.5);
+		ctx.lineTo(8.5, 37.5);
+		ctx.lineTo(8.5, 34.5);
+		ctx.arc(27.5, 34.5, 19, Math.PI, 2 * Math.PI);
+		ctx.stroke();
+		if (draw.protractorVisible == false) {
+			ctx.fillStyle = '#CCF';
+			ctx.fill();
+			for (var i = 0; i < 7; i++) {
+				ctx.moveTo(27.5 + 4 * Math.cos((1 + i / 6) * Math.PI), 34.5 + 4 * Math.sin((1 + i / 6) * Math.PI));
+				ctx.lineTo(27.5 + 16 * Math.cos((1 + i / 6) * Math.PI), 34.5 + 16 * Math.sin((1 + i / 6) * Math.PI))
+			}
+			ctx.stroke();
+			ctx.beginPath();
+			ctx.arc(27.5, 34.5, 15, Math.PI, 2 * Math.PI);
+			for (var i = 0; i < 19; i++) {
+				ctx.moveTo(27.5 + 17 * Math.cos((1 + i / 18) * Math.PI), 34.5 + 17 * Math.sin((1 + i / 18) * Math.PI));
+				ctx.lineTo(27.5 + 19 * Math.cos((1 + i / 18) * Math.PI), 34.5 + 19 * Math.sin((1 + i / 18) * Math.PI))
+			}
+			ctx.moveTo(27.5, 34.5);
+			ctx.lineTo(27.5, 30.5);
+			ctx.moveTo(23.5, 34.5);
+			ctx.lineTo(31.5, 34.5);
+			ctx.stroke();
+		}
+		ctx.translate(-obj.left, -obj.top);
+	},
+	click: function () {
+		if (un(draw.protractor))
+			draw.buttonProtractor.initProtractor();
+		draw.protractorVisible = !draw.protractorVisible;
+		moveToolToFront('protractor');
+		drawToolsCanvas();
+		draw.cursors.update();
+		drawCanvasPaths();
+	},
+	initProtractor: function (init) {
+		if (un(init))
+			init = {};
+		draw.protractor = {
+			center: init.center || [600, 500],
+			startCenter: init.center || [600, 500],
+			radius: init.radius || 250,
+			startRadius: init.radius || 250,
+			angle: 0,
+			color: init.color || '#CCF',
+			numbers: true
+		}
+	}
+};
+draw.buttonRuler = {
+	resizable: false,
+	add: function () {
+		deselectAllPaths(false);
+		draw.path.push({
+			obj: [{
+					type: 'buttonRuler',
+					left: 150 - draw.drawRelPos[0],
+					top: 150 - draw.drawRelPos[1],
+					interact: {
+						click: function (obj) {
+							draw[obj.type].click(obj)
+						},
+						overlay: true
+					}
+				}
+			],
+			selected: true,
+			trigger: []
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+		changeDrawMode();
+	},
+	getRect: function (obj) {
+		return [obj.left, obj.top, 55, 55];
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.left += dl;
+		obj.top += dt;
+	},
+	drawButton: function (ctx, size, type) {
+		draw.buttonRuler.draw(ctx, {
+			type: 'buttonRuler',
+			left: (size - 55) / 2,
+			top: (size - 55) / 2
+		});
+	},
+	draw: function (ctx, obj, path) {
+		ctx.translate(obj.left, obj.top);
+		var color = draw.buttonColor;
+		if (draw.rulerVisible == true)
+			color = draw.buttonSelectedColor;
+		roundedRect(ctx, 3, 3, 49, 49, 8, 6, '#000', color);
+		if (draw.rulerVisible == true) {
+			roundedRect(ctx, 7.5, 22.5, 40, 10, 3, 1, '#000');
+		} else {
+			roundedRect(ctx, 7.5, 22.5, 40, 10, 3, 1, '#000', '#CCF');
+			if (un(draw.ruler) || draw.ruler.markings == true) {
+				ctx.lineWidth = 1;
+				ctx.strokeStyle = '#000';
+				ctx.beginPath();
+				for (var i = 0; i < 11; i++) {
+					ctx.moveTo(9.5 + i * (36 / 10), 22.5);
+					ctx.lineTo(9.5 + i * (36 / 10), 26.5);
+				}
+				ctx.stroke();
+			}
+		}
+		ctx.translate(-obj.left, -obj.top);
+	},
+	click: function () {
+		if (un(draw.ruler))
+			draw.buttonRuler.initRuler();
+		draw.rulerVisible = !draw.rulerVisible;
+		moveToolToFront('ruler');
+		drawToolsCanvas();
+		draw.cursors.update();
+		drawCanvasPaths();
+	},
+	initRuler: function (init) {
+		if (un(init))
+			init = {};
+		draw.ruler = {
+			left: init.left || 200,
+			startLeft: init.left || 200,
+			top: init.top || 300,
+			startTop: init.top || 300,
+			length: init.length || 800,
+			width: init.length / 8 || 100,
+			angle: 0,
+			color: init.color || '#99F',
+			transparent: boolean(init.transparent, true),
+			markings: boolean(init.markings, true)
+		}
+		recalcRulerValues();
+	}
+};
+draw.buttonPen = {
+	resizable: false,
+	add: function () {
+		deselectAllPaths(false);
+		draw.path.push({
+			obj: [{
+					type: 'buttonPen',
+					left: 150 - draw.drawRelPos[0],
+					top: 150 - draw.drawRelPos[1],
+					interact: {
+						click: function (obj) {
+							draw[obj.type].click(obj)
+						},
+						overlay: true
+					}
+				}
+			],
+			selected: true,
+			trigger: []
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+		changeDrawMode();
+	},
+	getRect: function (obj) {
+		return [obj.left, obj.top, 55, 55];
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.left += dl;
+		obj.top += dt;
+	},
+	drawButton: function (ctx, size, type) {
+		draw.buttonPen.draw(ctx, {
+			type: 'buttonPen',
+			left: (size - 55) / 2,
+			top: (size - 55) / 2
+		});
+	},
+	draw: function (ctx, obj, path) {
+		ctx.translate(obj.left, obj.top);
+		var color = draw.drawMode !== 'pen' ? draw.buttonColor : draw.buttonSelectedColor;
+		roundedRect(ctx, 3, 3, 55 - 6, 55 - 6, 8, 6, '#000', color);
+
+		ctx.fillStyle = draw.color;
+		ctx.lineCap = 'round';
+		ctx.lineJoin = 'round';
+
+		ctx.translate(55 / 2, 55 / 2);
+		ctx.rotate(Math.PI / 4);
+		ctx.fillRect(-5, -11, 10, 20);
+		ctx.fillRect(-5, -18, 10, 5);
+		ctx.beginPath();
+		ctx.moveTo(-5, 11);
+		ctx.lineTo(0, 18);
+		ctx.lineTo(5, 11);
+		ctx.lineTo(-5, 11);
+		ctx.fill();
+		ctx.rotate(-Math.PI / 4);
+		ctx.translate(-55 / 2, -55 / 2);
+		ctx.translate(-obj.left, -obj.top);
+	},
+	click: function () {
+		changeDrawMode('pen');
+		draw.cursors.update();
+		drawCanvasPaths();
+	}
+};
+draw.buttonLine = {
+	resizable: false,
+	add: function () {
+		deselectAllPaths(false);
+		draw.path.push({
+			obj: [{
+					type: 'buttonLine',
+					left: 150 - draw.drawRelPos[0],
+					top: 150 - draw.drawRelPos[1],
+					interact: {
+						click: function (obj) {
+							draw[obj.type].click(obj)
+						},
+						overlay: true
+					}
+				}
+			],
+			selected: true,
+			trigger: []
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+		changeDrawMode();
+	},
+	getRect: function (obj) {
+		return [obj.left, obj.top, 55, 55];
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.left += dl;
+		obj.top += dt;
+	},
+	drawButton: function (ctx, size, type) {
+		draw.buttonLine.draw(ctx, {
+			type: 'buttonLine',
+			left: (size - 55) / 2,
+			top: (size - 55) / 2
+		});
+	},
+	draw: function (ctx, obj, path) {
+		ctx.translate(obj.left, obj.top);
+		var color = draw.drawMode !== 'line' ? draw.buttonColor : draw.buttonSelectedColor;
+		roundedRect(ctx, 3, 3, 49, 49, 8, 6, '#000', color);
+
+		ctx.strokeStyle = draw.color;
+		ctx.lineCap = 'round';
+		ctx.lineJoin = 'round';
+
+		ctx.lineWidth = draw.thickness + 1;
+		ctx.beginPath();
+		ctx.arc(12, 20, 2, 0, 2 * Math.PI);
+		ctx.stroke();
+		ctx.lineWidth = draw.thickness; ;
+		ctx.beginPath();
+		ctx.moveTo(12, 20);
+		ctx.lineTo(43, 35);
+		ctx.stroke();
+		ctx.lineWidth = draw.thickness + 1;
+		ctx.beginPath();
+		ctx.arc(43, 35, 2, 0, 2 * Math.PI);
+		ctx.stroke();
+		ctx.translate(-obj.left, -obj.top);
+	},
+	click: function () {
+		changeDrawMode('line');
+		draw.cursors.update();
+		drawCanvasPaths();
+	}
+};
+draw.buttonUndo = {
+	resizable: false,
+	add: function () {
+		deselectAllPaths(false);
+		draw.path.push({
+			obj: [{
+					type: 'buttonUndo',
+					left: 150 - draw.drawRelPos[0],
+					top: 150 - draw.drawRelPos[1],
+					interact: {
+						click: function (obj) {
+							draw[obj.type].click(obj)
+						},
+						overlay: true
+					}
+				}
+			],
+			selected: true,
+			trigger: []
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+		changeDrawMode();
+	},
+	getRect: function (obj) {
+		return [obj.left, obj.top, 55, 55];
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.left += dl;
+		obj.top += dt;
+	},
+	drawButton: function (ctx, size, type) {
+		draw.buttonUndo.draw(ctx, {
+			type: 'buttonUndo',
+			left: (size - 55) / 2,
+			top: (size - 55) / 2
+		});
+	},
+	draw: function (ctx, obj, path) {
+		ctx.translate(obj.left, obj.top);
+		var s = 55;
+		roundedRect(ctx, 3, 3, s - 6, s - 6, 8, 6, '#000', draw.buttonColor);
+
+		ctx.strokeStyle = '#000';
+		ctx.lineCap = 'round';
+		ctx.lineJoin = 'round';
+		ctx.lineWidth = 4;
+		ctx.beginPath();
+		ctx.arc(s / 2, s / 2, 12 * s / 55, -Math.PI, 0.7 * Math.PI);
+		ctx.moveTo(13.5 * s / 55, 27.5 * s / 55);
+		ctx.lineTo(13.5 * s / 55 - 10 * s / 55 * Math.sin(1 * Math.PI), 27.5 * s / 55 + 10 * s / 55 * Math.cos(1 * Math.PI));
+		ctx.lineTo(13.5 * s / 55 - 10 * s / 55 * Math.cos(0.95 * Math.PI), 27.5 * s / 55 - 10 * s / 55 * Math.sin(0.95 * Math.PI));
+		ctx.lineTo(13.5 * s / 55, 27.5 * s / 55);
+		ctx.stroke();
+		ctx.translate(-obj.left, -obj.top);
+	},
+	click: function () {
+		for (var i = draw.path.length - 1; i >= 0; i--) {
+			if (draw.path[i]._deletable === false)
+				continue;
+			if (typeof draw.path[i].obj == 'object') {
+				for (var j = draw.path[i].obj.length - 1; j >= 0; j--) {
+					var obj = draw.path[i].obj[j]
+						draw.path[i].obj.splice(j, 1);
+					if (draw.path[i].obj.length == 0) {
+						draw.path.splice(i, 1);
+					}
+					drawCanvasPaths();
+					return;
+				}
+			}
+		}
+	}
+};
+draw.buttonClear = {
+	resizable: false,
+	add: function () {
+		deselectAllPaths(false);
+		draw.path.push({
+			obj: [{
+					type: 'buttonClear',
+					left: 150 - draw.drawRelPos[0],
+					top: 150 - draw.drawRelPos[1],
+					interact: {
+						click: function (obj) {
+							draw[obj.type].click(obj)
+						},
+						overlay: true
+					}
+				}
+			],
+			selected: true,
+			trigger: []
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+		changeDrawMode();
+	},
+	getRect: function (obj) {
+		return [obj.left, obj.top, 55, 55];
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.left += dl;
+		obj.top += dt;
+	},
+	drawButton: function (ctx, size, type) {
+		draw.buttonClear.draw(ctx, {
+			type: 'buttonClear',
+			left: (size - 55) / 2,
+			top: (size - 55) / 2
+		});
+	},
+	draw: function (ctx, obj, path) {
+		ctx.translate(obj.left, obj.top);
+		roundedRect(ctx, 3, 3, 49, 49, 8, 6, '#000', draw.buttonColor);
+
+		ctx.strokeStyle = '#000';
+		ctx.lineCap = 'round';
+		ctx.lineJoin = 'round';
+
+		ctx.lineWidth = 4;
+		text({
+			context: ctx,
+			left: 0,
+			width: 55,
+			top: 15,
+			textArray: ['<<font:Arial>><<fontSize:20>><<align:center>>CLR']
+		});
+		ctx.translate(-obj.left, -obj.top);
+	},
+	click: function () {
+		for (var p = draw.path.length - 1; p >= 0; p--) {
+			var path = draw.path[p];
+			if (path._deletable == false)
+				continue;
+			draw.path.splice(p, 1);
+		}
+	}
+};
+draw.buttonLineWidthPicker = {
+	resizable: false,
+	add: function () {
+		deselectAllPaths(false);
+		draw.path.push({
+			obj: [{
+					type: 'buttonLineWidthPicker',
+					left: 150 - draw.drawRelPos[0],
+					top: 150 - draw.drawRelPos[1],
+					interact: {
+						click: function (obj) {
+							draw[obj.type].click(obj)
+						},
+						overlay: true
+					}
+				}
+			],
+			selected: true,
+			trigger: []
+		});
+		updateBorder(draw.path.last());
+		draw.path.push({
+			obj: [{
+					type: 'lineWidthSelect',
+					left: 205 - draw.drawRelPos[0],
+					top: 150 - draw.drawRelPos[1],
+					interact: {
+						click: draw.lineWidthPicker.click,
+						overlay: true
+					}
+				}
+			],
+			selected: true,
+			trigger: []
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+		changeDrawMode();
+	},
+	getRect: function (obj) {
+		return [obj.left, obj.top, 55, 55];
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.left += dl;
+		obj.top += dt;
+	},
+	drawButton: function (ctx, size, type) {
+		draw.buttonColorPicker.draw(ctx, {
+			type: 'buttonLineWidthPicker',
+			left: (size - 55) / 2,
+			top: (size - 55) / 2
+		});
+	},
+	draw: function (ctx, obj, path) {
+		ctx.translate(obj.left, obj.top);
+		var color = draw.buttonColor;
+		if (draw.lineWidthSelectVisible == true)
+			color = draw.buttonSelectedColor;
+		if (obj._disabled == true)
+			color = colorA(color, 0.35);
+		var color2 = '#000';
+		if (obj._disabled == true)
+			color2 = colorA('#000', 0.35);
+		roundedRect(ctx, 0, 0, 55, 55, 8, 0.01, color, color);
+		roundedRect(ctx, 1.5, 1.5, 52, 52, 8, 3, color2);
+		ctx.strokeStyle = color2;
+		ctx.lineCap = 'round';
+		ctx.lineJoin = 'round';
+		ctx.lineWidth = 1;
+		ctx.beginPath();
+		ctx.moveTo(10, 12);
+		ctx.lineTo(45, 12);
+		ctx.stroke();
+		ctx.lineWidth = 3;
+		ctx.beginPath();
+		ctx.moveTo(10.5, 20);
+		ctx.lineTo(44.5, 20);
+		ctx.stroke();
+		ctx.lineWidth = 5;
+		ctx.beginPath();
+		ctx.moveTo(11, 29);
+		ctx.lineTo(44, 29);
+		ctx.stroke();
+		ctx.lineWidth = 7;
+		ctx.beginPath();
+		ctx.moveTo(11.5, 39);
+		ctx.lineTo(43.5, 39);
+		ctx.stroke();
+		ctx.translate(-obj.left, -obj.top);
+	},
+	click: function (obj) {
+		if (obj._disabled == true) {
+			Notifier.notify('Please subscribe to use this feature.', '', '/Images/logoSmall.PNG');
+		} else {
+			draw.lineWidthSelectVisible = !draw.lineWidthSelectVisible;
+			drawCanvasPaths();
+		}
+	}
+};
+draw.lineWidthSelect = {
+	resizable: false,
+	add: function () {
+		deselectAllPaths(false);
+		draw.path.push({
+			obj: [{
+					type: 'lineWidthSelect',
+					left: 150 - draw.drawRelPos[0],
+					top: 150 - draw.drawRelPos[1],
+					colors: [],
+					interact: {
+						click: function (obj) {
+							draw[obj.type].click(obj)
+						},
+						overlay: true
+					}
+				}
+			],
+			selected: true,
+			trigger: []
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+		changeDrawMode();
+	},
+	getRect: function (obj) {
+		return [obj.left, obj.top, 110, 200];
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.left += dl;
+		obj.top += dt;
+	},
+	draw: function (ctx, obj, path) {
+		if (draw.mode == 'interact' && draw.lineWidthSelectVisible == false)
+			return;
+		if (draw.mode !== 'interact' && path.selected !== true)
+			return;
+		var alpha = draw.mode == 'interact' ? 1 : 0.25;
+		ctx.translate(obj.left, obj.top);
+		var color = draw.buttonColor;
+		roundedRect(ctx, 0, 0, 110, 200, 8, 6, colorA('#000', alpha), colorA(color, alpha));
+
+		ctx.lineJoin = 'round';
+		ctx.lineCap = 'round';
+		for (var i = 0; i < 4; i++) {
+			ctx.fillStyle = draw.thickness == [1, 3, 5, 7][i] ? colorA('#CFF', alpha) : colorA('#FFC', alpha);
+			ctx.fillRect(10, 10 + 45 * i, 90, 45);
+			ctx.lineWidth = [1, 3, 5, 7][i];
+			ctx.beginPath();
+			ctx.moveTo(25, 10 + 45 * i + 22.5);
+			ctx.lineTo(85, 10 + 45 * i + 22.5);
+			ctx.stroke();
+		}
+		ctx.strokeStyle = colorA('#000', alpha);
+		ctx.lineWidth = 2;
+		ctx.beginPath();
+		for (var i = 0; i <= 4; i++) {
+			ctx.moveTo(10, 10 + 45 * i);
+			ctx.lineTo(100, 10 + 45 * i);
+		}
+		for (var i = 0; i <= 1; i++) {
+			ctx.moveTo(10 + 90 * i, 10);
+			ctx.lineTo(10 + 90 * i, 190);
+		}
+
+		ctx.stroke();
+		ctx.translate(-obj.left, -obj.top);
+	},
+	click: function (obj) {
+		var x = mouse.x - draw.drawRelPos[0] - obj.left;
+		var y = mouse.y - draw.drawRelPos[1] - obj.top;
+		if (x < 10 || x > 90 || y < 10 || y > 190)
+			return;
+		var r = Math.floor((y - 10) / 45);
+		draw.thickness = [1, 3, 5, 7][r];
+		//draw.lineWidthSelectVisible = false;
+		draw.cursors.update();
+		drawCanvasPaths();
+		drawCompass();
+	}
+};
+draw.buttonColorPicker = {
+	resizable: false,
+	add: function () {
+		deselectAllPaths(false);
+		draw.path.push({
+			obj: [{
+					type: 'buttonColorPicker',
+					left: 150 - draw.drawRelPos[0],
+					top: 150 - draw.drawRelPos[1],
+					interact: {
+						click: function (obj) {
+							draw[obj.type].click(obj)
+						},
+						overlay: true
+					}
+				}
+			],
+			selected: true,
+			trigger: []
+		});
+		updateBorder(draw.path.last());
+		draw.path.push({
+			obj: [{
+					type: 'colorPicker',
+					colors: ['#000', '#999', '#00F', '#F00', '#393', '#F0F', '#93C', '#F60'],
+					left: 205 - draw.drawRelPos[0],
+					top: 150 - draw.drawRelPos[1],
+					interact: {
+						click: draw.colorPicker.click,
+						overlay: true
+					}
+				}
+			],
+			selected: true,
+			trigger: []
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+		changeDrawMode();
+	},
+	getRect: function (obj) {
+		return [obj.left, obj.top, 55, 55];
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.left += dl;
+		obj.top += dt;
+	},
+	drawButton: function (ctx, size, type) {
+		draw.buttonColorPicker.draw(ctx, {
+			type: 'buttonColorPicker',
+			left: (size - 55) / 2,
+			top: (size - 55) / 2
+		});
+	},
+	draw: function (ctx, obj, path) {
+		ctx.translate(obj.left, obj.top);
+		var color = draw.buttonColor;
+		if (draw.colorSelectVisible == true)
+			color = draw.buttonSelectedColor;
+		if (obj._disabled == true)
+			color = colorA(color, 0.35);
+		var color2 = '#000';
+		if (obj._disabled == true)
+			color2 = colorA('#000', 0.35);
+		roundedRect(ctx, 0, 0, 55, 55, 8, 0.01, color, color);
+		roundedRect(ctx, 1.5, 1.5, 52, 52, 8, 3, color2);
+		var colors = ['#000', '#999', '#00F', '#F00', '#393', '#F0F', '#93C', '#F60'];
+		for (var i = 0; i < 9; i++) {
+			if (obj._disabled == true) {
+				ctx.fillStyle = !un(colors[i]) ? colorA(colors[i], 0.35) : colorA('#FFF', 0.5);
+			} else {
+				ctx.fillStyle = colors[i] || '#FFF';
+			}
+			ctx.fillRect(12.5 + 10 * (i % 3), 12.5 + 10 * Math.floor(i / 3), 10, 10);
+		}
+		ctx.strokeStyle = obj._disabled == true ? colorA('#000', 0.35) : '#000';
+		ctx.lineWidth = 1;
+		ctx.strokeRect(12.5, 12.5, 30, 30);
+		ctx.translate(-obj.left, -obj.top);
+	},
+	click: function (obj) {
+		if (obj._disabled == true) {
+			Notifier.notify('Please subscribe to use this feature.', '', '/Images/logoSmall.PNG');
+		} else {
+			draw.colorSelectVisible = !draw.colorSelectVisible;
+			drawCanvasPaths();
+		}
+	}
+};
+draw.colorPicker = {
+	resizable: false,
+	add: function () {
+		deselectAllPaths(false);
+		draw.path.push({
+			obj: [{
+					type: 'colorPicker',
+					colors: ['#000', '#999', '#00F', '#F00', '#393', '#F0F', '#93C', '#F60'],
+					left: 150 - draw.drawRelPos[0],
+					top: 150 - draw.drawRelPos[1],
+					colors: [],
+					interact: {
+						click: function (obj) {
+							draw[obj.type].click(obj)
+						},
+						overlay: true
+					}
+				}
+			],
+			selected: true,
+			trigger: []
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+		changeDrawMode();
+	},
+	getRect: function (obj) {
+		return [obj.left, obj.top, 110, 200];
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.left += dl;
+		obj.top += dt;
+	},
+	draw: function (ctx, obj, path) {
+		if (draw.mode == 'interact' && draw.colorSelectVisible == false)
+			return;
+		if (draw.mode !== 'interact' && path.selected !== true)
+			return;
+		var alpha = draw.mode == 'interact' ? 1 : 0.25;
+		ctx.translate(obj.left, obj.top);
+		var color = draw.buttonColor;
+		roundedRect(ctx, 0, 0, 110, 200, 8, 6, colorA('#000', alpha), colorA(color, alpha));
+		for (var i = 0; i < 8; i++) {
+			ctx.fillStyle = colorA(obj.colors[i], alpha);
+			ctx.fillRect(10 + 45 * (i % 2), 10 + 45 * Math.floor(i / 2), 45, 45);
+		}
+		ctx.strokeStyle = colorA('#000', alpha);
+		ctx.lineWidth = 2;
+		ctx.beginPath();
+		for (var i = 0; i <= 4; i++) {
+			ctx.moveTo(10, 10 + 45 * i);
+			ctx.lineTo(100, 10 + 45 * i);
+		}
+		for (var i = 0; i <= 2; i++) {
+			ctx.moveTo(10 + 45 * i, 10);
+			ctx.lineTo(10 + 45 * i, 190);
+		}
+		ctx.stroke();
+		ctx.translate(-obj.left, -obj.top);
+	},
+	click: function (obj) {
+		//var x = mouse.x - draw.drawRelPos[0] - obj.left;
+		//var y = mouse.y - draw.drawRelPos[1] - obj.top;
+		var x = draw.mouse[0] - obj.left;
+		var y = draw.mouse[1] - obj.top;
+		if (x < 10 || x > 90 || y < 10 || y > 190)
+			return;
+		var c = Math.floor((x - 10) / 45);
+		var r = Math.floor((y - 10) / 45);
+		if (obj.fill === true) {
+			draw.fillColor = obj.colors[2 * r + c];
+		} else {
+			draw.color = obj.colors[2 * r + c];
+		}
+		//draw.colorSelectVisible = false;
+		draw.cursors.update();
+		drawCanvasPaths();
+		drawCompass();
+	}
+};
+draw.buttonCompassHelp = {
+	resizable: false,
+	add: function () {
+		deselectAllPaths(false);
+		draw.path.push({
+			obj: [{
+					type: 'buttonCompassHelp',
+					left: 150 - draw.drawRelPos[0],
+					top: 150 - draw.drawRelPos[1],
+					interact: {
+						click: function (obj) {
+							draw[obj.type].click(obj)
+						},
+						overlay: true
+					}
+				}
+			],
+			selected: true,
+			trigger: []
+		});
+		updateBorder(draw.path.last());
+		draw.path.push({
+			obj: [{
+					type: 'compassHelp',
+					left: 205 - draw.drawRelPos[0],
+					top: 150 - draw.drawRelPos[1],
+					interact: {
+						overlay: true
+					}
+				}
+			],
+			selected: true,
+			trigger: []
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+		changeDrawMode();
+	},
+	getRect: function (obj) {
+		return [obj.left, obj.top, 55, 55];
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.left += dl;
+		obj.top += dt;
+	},
+	drawButton: function (ctx, size, type) {
+		draw.buttonCompassHelp.draw(ctx, {
+			type: 'buttonCompassHelp',
+			left: (size - 55) / 2,
+			top: (size - 55) / 2
+		});
+	},
+	draw: function (ctx, obj, path) {
+		ctx.translate(obj.left, obj.top);
+		var color = draw.buttonColor;
+		if (draw.compassHelpVisible == true)
+			color = draw.buttonSelectedColor;
+		roundedRect(ctx, 3, 3, 49, 49, 8, 6, '#000', color);
+		ctx.strokeStyle = '#000';
+		ctx.fillStyle = '#666';
+		ctx.font = '42px Arial';
+		ctx.textAlign = 'center';
+		ctx.textBaseline = 'middle';
+		ctx.fillText('?', 27.5, 27.5);
+		ctx.strokeText('?', 27.5, 27.5);
+		ctx.translate(-obj.left, -obj.top);
+	},
+	click: function () {
+		draw.compassHelpVisible = !draw.compassHelpVisible;
+		drawCanvasPaths();
+	}
+};
+draw.compassHelp = {
+	resizable: false,
+	add: function () {
+		deselectAllPaths(false);
+		draw.path.push({
+			obj: [{
+					type: 'compassHelp',
+					left: 205 - draw.drawRelPos[0],
+					top: 150 - draw.drawRelPos[1],
+					interact: {
+						overlay: true
+					}
+				}
+			],
+			selected: true,
+			trigger: []
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+		changeDrawMode();
+	},
+	getRect: function (obj) {
+		return [obj.left, obj.top, 500, 400];
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.left += dl;
+		obj.top += dt;
+	},
+	init: function (obj) {
+		var center1 = [obj.left + 0.35 * 500, obj.top + 0.85 * 400];
+		var radius = 150;
+		var armLength = 250;
+		var angle = 0;
+		var h = Math.sqrt(Math.pow(armLength, 2) - Math.pow(0.5 * radius, 2));
+		var center2 = [center1[0] + 0.5 * radius * Math.cos(angle) + h * Math.sin(angle), center1[1] + 0.5 * radius * Math.sin(angle) - h * Math.cos(angle)];
+		var center3 = [center1[0] + radius * Math.cos(angle), center1[1] + radius * Math.sin(angle)];
+
+		var angle2 = (angle % (2 * Math.PI));
+		if (angle2 < 0)
+			angle2 += 2 * Math.PI;
+		if (angle2 > 0.5 * Math.PI && angle2 < 1.5 * Math.PI) {
+			var drawOn = 'left';
+		} else {
+			var drawOn = 'right';
+		}
+
+		var mp1 = midpoint(center1[0], center1[1], center3[0], center3[1]);
+		var mp2 = midpoint(center2[0], center2[1], mp1[0], mp1[1]);
+
+		var compass = {
+			center1: center1.slice(0),
+			startCenter1: center1.slice(0),
+			center2: center2.slice(0),
+			startCenter2: center2.slice(0),
+			center3: center3.slice(0),
+			startCenter3: center3.slice(0),
+			radius: radius,
+			startRadius: radius,
+			h: h,
+			startH: h,
+			armLength: armLength,
+			radiusLocked: false,
+			angle: angle,
+			startAngle: angle,
+			drawOn: drawOn,
+			startDrawOn: drawOn,
+			lockCenter: mp2.slice(0),
+			mode: 'none',
+		}
+		return compass;
+	},
+	draw: function (ctx, obj, path) {
+		if (draw.mode == 'interact' && draw.compassHelpVisible == false)
+			return;
+		if (draw.mode !== 'interact' && path.selected !== true)
+			return;
+
+		text({
+			ctx: ctx,
+			rect: [obj.left, obj.top, 500, 400],
+			text: [''],
+			box: {
+				type: 'loose',
+				borderColor: '#000',
+				borderWidth: 2,
+				radius: 10,
+				color: '#FFC'
+			}
+		});
+
+		text({
+			ctx: ctx,
+			rect: [obj.left + 55, obj.top + 20, 160, 200],
+			align: [0, -1],
+			text: ['<<font:segoePrint>><<bold:true>>Drag the top of the compass to draw an arc']
+		});
+
+		text({
+			ctx: ctx,
+			rect: [obj.left + 30, obj.top + 150, 160, 200],
+			align: [0, -1],
+			text: ['<<font:segoePrint>>Drag this arm to move the whole compass']
+		});
+
+		text({
+			ctx: ctx,
+			rect: [obj.left + 340, obj.top + 150, 140, 200],
+			align: [0, -1],
+			text: ['<<font:segoePrint>>Drag this arm to move the pencil']
+		});
+
+		text({
+			ctx: ctx,
+			rect: [obj.left, obj.top + 360, 500, 70],
+			align: [0, -1],
+			text: ['<<font:segoePrint>>Press here to lock the compass']
+		});
+
+		drawArrow({
+			ctx: ctx,
+			startX: obj.left + 250,
+			finX: obj.left + 250,
+			startY: obj.top + 350,
+			finY: obj.top + 250,
+			lineWidth: 1,
+			arrowLength: 15
+		});
+
+		if (un(obj._compass)) {
+			obj._compass = draw.compassHelp.init(obj);
+		}
+		var compass = obj._compass;
+
+		var armLength = compass.armLength;
+		var radius = compass.radius;
+		var h = compass.h;
+		var center1 = compass.center1;
+		var center2 = compass.center2;
+		var center3 = compass.center3;
+		var drawOn = compass.drawOn;
+
+		if (compass.radiusLocked == true || compass.mode == 'draw') {
+			// draw lock button
+			ctx.translate(center2[0], center2[1]);
+			if (drawOn == 'right') {
+				ctx.rotate(compass.angle);
+			} else {
+				ctx.rotate(compass.angle + Math.PI);
+			}
+
+			var lockHeight = 0.5 * compass.h;
+
+			//bar
+			ctx.fillStyle = '#99F';
+			ctx.strokeStyle = '#000';
+			ctx.lineWidth = 1;
+			ctx.fillRect(-0.25 * compass.radius, lockHeight - 5, 0.5 * compass.radius, 10);
+			ctx.strokeRect(-0.25 * compass.radius, lockHeight - 5, 0.5 * compass.radius, 10);
+
+			//circle
+			ctx.fillStyle = '#99F';
+			ctx.strokeStyle = '#333';
+			ctx.lineWidth = 3;
+			ctx.beginPath();
+			ctx.arc(0, lockHeight, 15, 0, 2 * Math.PI);
+			ctx.fill();
+			ctx.stroke();
+
+			//padlock
+			ctx.fillStyle = '#333';
+			ctx.beginPath();
+			ctx.moveTo(6, lockHeight - 2);
+			ctx.lineTo(6, lockHeight + 3);
+			ctx.arc(0, lockHeight + 3, 6, 0, Math.PI);
+			ctx.lineTo(-6, lockHeight + 3);
+			ctx.lineTo(-6, lockHeight - 2);
+			ctx.stroke();
+			ctx.fill();
+
+			//keyhole
+			ctx.fillStyle = '#99F';
+			ctx.beginPath();
+			ctx.arc(0, lockHeight + 2.5, 1.5, 0, 2 * Math.PI);
+			ctx.fill();
+			ctx.fillRect(-0.5, lockHeight + 2.5, 1, 3);
+
+			//arm
+			ctx.beginPath();
+			ctx.moveTo(-6, lockHeight + 2);
+			ctx.lineTo(-6, lockHeight + 2);
+			ctx.arc(0, lockHeight - 4, 5, Math.PI, 2 * Math.PI);
+			ctx.lineTo(6, lockHeight + 2);
+			ctx.stroke();
+
+			if (drawOn == 'right') {
+				ctx.rotate(-compass.angle);
+			} else {
+				ctx.rotate(-compass.angle - Math.PI);
+			}
+			ctx.translate(-center2[0], -center2[1]);
+		} else {
+			// draw lock button
+			ctx.translate(center2[0], center2[1]);
+			if (drawOn == 'right') {
+				ctx.rotate(compass.angle);
+			} else {
+				ctx.rotate(compass.angle + Math.PI);
+			}
+
+			var lockHeight = 0.5 * compass.h;
+
+			//bar
+			ctx.fillStyle = '#999';
+			ctx.strokeStyle = '#999';
+			ctx.lineWidth = 2;
+			ctx.strokeRect(-0.25 * compass.radius, lockHeight - 5, 0.5 * compass.radius, 10);
+
+			//circle
+			ctx.fillStyle = '#FFC';
+			ctx.strokeStyle = '#999';
+			ctx.lineWidth = 3;
+			ctx.beginPath();
+			ctx.arc(0, lockHeight, 15, 0, 2 * Math.PI);
+			ctx.fill();
+			ctx.stroke();
+
+			//padlock
+			ctx.fillStyle = '#999';
+			ctx.beginPath();
+			ctx.moveTo(6, lockHeight - 2);
+			ctx.lineTo(6, lockHeight + 3);
+			ctx.arc(0, lockHeight + 3, 6, 0, Math.PI);
+			ctx.lineTo(-6, lockHeight + 3);
+			ctx.lineTo(-6, lockHeight - 2);
+			ctx.stroke();
+			ctx.fill();
+
+			//keyhole
+			ctx.fillStyle = '#FFC';
+			ctx.beginPath();
+			ctx.arc(0, lockHeight + 2.5, 1.5, 0, 2 * Math.PI);
+			ctx.fill();
+			ctx.fillRect(-0.5, lockHeight + 2.5, 1, 3);
+
+			//arm
+			ctx.beginPath();
+			ctx.moveTo(-6, lockHeight - 2);
+			ctx.arc(0, lockHeight - 4, 5, (4 / 5) * Math.PI, (9 / 5) * Math.PI);
+			ctx.stroke();
+
+			if (drawOn == 'right') {
+				ctx.rotate(-compass.angle);
+			} else {
+				ctx.rotate(-compass.angle - Math.PI);
+			}
+			ctx.translate(-center2[0], -center2[1]);
+		}
+
+		ctx.lineWidth = 2;
+		ctx.strokeStyle = '#000';
+		ctx.fillStyle = '#000';
+
+		var angle2 = -0.5 * Math.PI - Math.atan((center2[1] - center1[1]) / (center2[0] - center1[0]));
+		if (center2[0] < center1[0])
+			angle2 += Math.PI;
+		var angle3 = -0.5 * Math.PI - Math.atan((center3[1] - center2[1]) / (center3[0] - center2[0]));
+		if (center2[0] < center3[0])
+			angle3 += Math.PI;
+
+		// draw pointy arm
+		ctx.translate(center2[0], center2[1]);
+		ctx.rotate(-angle2);
+
+		roundedRect(ctx, -7, 0, 14, armLength - 20, 3, 4, '#000', '#99F');
+		ctx.strokeStyle = '#000';
+		ctx.fillStyle = '#CCC';
+		ctx.lineWidth = 0.5;
+		ctx.beginPath();
+		ctx.moveTo(-3, armLength - 20);
+		ctx.lineTo(0, armLength);
+		ctx.lineTo(3, armLength - 20);
+		ctx.lineTo(-3, armLength - 20);
+		ctx.fill();
+		ctx.stroke();
+		ctx.beginPath();
+		ctx.moveTo(0, 0);
+		ctx.lineTo(0, armLength - 26);
+		ctx.stroke();
+
+		ctx.rotate(angle2);
+		ctx.translate(-center2[0], -center2[1]);
+
+		// draw pencil arm
+		ctx.translate(center2[0], center2[1]);
+		ctx.rotate(-angle3);
+
+		if (drawOn == 'right') {
+			var pAngle = Math.PI / 14;
+		} else {
+			var pAngle = -Math.PI / 14;
+		}
+
+		//draw pencil
+		ctx.translate(0, armLength);
+		ctx.rotate(pAngle);
+
+		ctx.beginPath();
+		ctx.strokeStyle = '#000';
+		ctx.lineWidth = 2;
+		if (draw.color == '#000') {
+			ctx.fillStyle = '#FC3';
+		} else {
+			ctx.fillStyle = draw.color;
+		}
+		ctx.moveTo(0, 0);
+		ctx.lineTo(-10, -30);
+		ctx.lineTo(-10, -200);
+		ctx.lineTo(10, -200);
+		ctx.lineTo(10, -30);
+		ctx.lineTo(0, 0);
+		ctx.fill();
+		ctx.stroke();
+		ctx.beginPath();
+		ctx.fillStyle = '#FFC';
+		ctx.moveTo(0, 0);
+		ctx.lineTo(-10, -30);
+		ctx.lineTo(10, -30);
+		ctx.lineTo(0, 0);
+		ctx.fill();
+		ctx.stroke();
+		ctx.beginPath();
+		ctx.fillStyle = draw.color;
+		ctx.moveTo(0, 0);
+		ctx.lineTo(-3, -9);
+		ctx.lineTo(3, -9);
+		ctx.lineTo(0, 0);
+		ctx.fill();
+		ctx.stroke();
+
+		ctx.rotate(-pAngle);
+		ctx.translate(0, -armLength);
+
+		ctx.fillStyle = '#99F';
+		ctx.beginPath();
+		if (drawOn == 'right') {
+			ctx.moveTo(-7, 0);
+			ctx.lineTo(7, 0);
+			ctx.lineTo(7, armLength - 95);
+			ctx.lineTo(7 + 45 * Math.cos(pAngle), armLength - 95 + 45 * Math.sin(pAngle));
+			ctx.lineTo(7 + 45 * Math.cos(pAngle) - 20 * Math.sin(pAngle), armLength - 95 + 45 * Math.sin(pAngle) + 20 * Math.cos(pAngle));
+			ctx.lineTo(-7, armLength - 80);
+			ctx.lineTo(-7, 0);
+		} else {
+			ctx.moveTo(7, 0);
+			ctx.lineTo(-7, 0);
+			ctx.lineTo(-7, armLength - 95);
+			ctx.lineTo(-7 - 45 * Math.cos(pAngle), armLength - 95 - 45 * Math.sin(pAngle));
+			ctx.lineTo(-7 - 45 * Math.cos(pAngle) - 20 * Math.sin(pAngle), armLength - 95 - 45 * Math.sin(pAngle) + 20 * Math.cos(pAngle));
+			ctx.lineTo(7, armLength - 80);
+			ctx.lineTo(7, 0);
+		}
+		ctx.fill();
+		ctx.stroke();
+
+		ctx.translate(0, armLength);
+		ctx.rotate(pAngle);
+
+		ctx.beginPath();
+		ctx.strokeStyle = '#000';
+		ctx.lineWidth = 2;
+		ctx.fillStyle = '#000';
+		if (drawOn == 'right') {
+			ctx.moveTo(14, -103);
+			ctx.lineTo(24, -103);
+			ctx.lineTo(24, -67);
+			ctx.lineTo(14, -67);
+			ctx.lineTo(14, -103);
+		} else {
+			ctx.moveTo(-14, -103);
+			ctx.lineTo(-24, -103);
+			ctx.lineTo(-24, -67);
+			ctx.lineTo(-14, -67);
+			ctx.lineTo(-14, -103);
+		}
+		ctx.fill();
+		ctx.stroke();
+
+		ctx.rotate(-pAngle);
+		ctx.translate(0, -armLength);
+
+		ctx.strokeStyle = '#000';
+		ctx.fillStyle = '#CCC';
+		ctx.lineWidth = 0.5;
+		ctx.stroke();
+		ctx.beginPath();
+		ctx.moveTo(0, 0);
+		ctx.lineTo(0, armLength - 86);
+		ctx.stroke();
+
+		ctx.rotate(angle3);
+		ctx.translate(-center2[0], -center2[1]);
+
+		// draw top of compass
+		ctx.translate(center2[0], center2[1]);
+		if (drawOn == 'right') {
+			ctx.rotate(compass.angle);
+		} else {
+			ctx.rotate(compass.angle + Math.PI);
+		}
+
+		roundedRect(ctx, -15, -30, 30, 55, 10, 2, '#000', '#000');
+		roundedRect(ctx, -5, -60, 10, 30, 0, 2, '#000', '#000');
+		ctx.fillStyle = '#CCC';
+		ctx.beginPath();
+		ctx.arc(0, 0, 7, 0, 2 * Math.PI);
+		ctx.fill();
+		ctx.strokeStyle = '#000';
+		ctx.lineWidth = 1;
+		ctx.beginPath();
+		ctx.moveTo(-4, -4);
+		ctx.lineTo(4, 4);
+		ctx.moveTo(4, -4);
+		ctx.lineTo(-4, 4);
+		ctx.stroke();
+
+		if (drawOn == 'right') {
+			ctx.rotate(-compass.angle);
+		} else {
+			ctx.rotate(-compass.angle - Math.PI);
+		}
+		ctx.translate(-center2[0], -center2[1]);
+	}
+
+};
+draw.buttonDash = {
+	resizable: false,
+	add: function () {
+		deselectAllPaths(false);
+		draw.path.push({
+			obj: [{
+					type: 'buttonDash',
+					left: 150 - draw.drawRelPos[0],
+					top: 150 - draw.drawRelPos[1],
+					dash: [15, 15],
+					interact: {
+						click: function (obj) {
+							draw[obj.type].click(obj)
+						},
+						overlay: true
+					}
+				}
+			],
+			selected: true,
+			trigger: []
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+		changeDrawMode();
+	},
+	getRect: function (obj) {
+		return [obj.left, obj.top, 55, 55];
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.left += dl;
+		obj.top += dt;
+	},
+	drawButton: function (ctx, size, type) {
+		draw.buttonUndo.draw(ctx, {
+			type: 'buttonDash',
+			left: (size - 55) / 2,
+			top: (size - 55) / 2
+		});
+	},
+	draw: function (ctx, obj, path) {
+		var color = arraysEqual(draw.dash, obj.dash) ? draw.buttonSelectedColor : draw.buttonColor;
+
+		ctx.translate(obj.left, obj.top);
+		var s = 55;
+		roundedRect(ctx, 3, 3, s - 6, s - 6, 8, 6, '#000', color);
+
+		if (typeof ctx.setLineDash !== 'function')
+			ctx.setLineDash = function () {};
+		if (typeof obj.dash !== 'undefined')
+			ctx.setLineDash([4, 7]);
+		ctx.strokeStyle = draw.color;
+		ctx.lineCap = 'round';
+		ctx.lineJoin = 'round';
+		ctx.lineWidth = 4;
+		ctx.beginPath();
+		ctx.moveTo(13.5 * s / 55, 27.5 * s / 55);
+		ctx.lineTo((55 - 13.5) * s / 55, 27.5 * s / 55);
+		ctx.stroke();
+		ctx.translate(-obj.left, -obj.top);
+	},
+	click: function (obj) {
+		if (un(draw.dash) || draw.dash.length == 0) {
+			draw.dash = clone(obj.dash);
+		} else {
+			delete draw.dash;
+		}
+		drawCanvasPaths();
+	}
+};
+draw.buttonFloodFill = {
+	resizable: false,
+	add: function () {
+		deselectAllPaths(false);
+		draw.path.push({
+			obj: [{
+					type: 'buttonFloodFill',
+					left: 150 - draw.drawRelPos[0],
+					top: 150 - draw.drawRelPos[1],
+					interact: {
+						click: function (obj) {
+							draw[obj.type].click(obj)
+						},
+						overlay: true
+					}
+				}
+			],
+			selected: true,
+			trigger: []
+		});
+		updateBorder(draw.path.last());
+		drawCanvasPaths();
+		changeDrawMode();
+	},
+	getRect: function (obj) {
+		return [obj.left, obj.top, 55, 55];
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {
+		obj.left += dl;
+		obj.top += dt;
+	},
+	drawButton: function (ctx, size, type) {
+		draw.buttonFloodFill.draw(ctx, {
+			type: 'buttonFloodFill',
+			left: (size - 55) / 2,
+			top: (size - 55) / 2
+		});
+	},
+	draw: function (ctx, obj, path) {
+		ctx.translate(obj.left, obj.top);
+		var color = draw.buttonColor;
+		if (draw.drawMode == 'floodFill')
+			color = draw.buttonSelectedColor;
+		roundedRect(ctx, 3, 3, 49, 49, 8, 6, '#000', color);
+
+		ctx.translate(26 + 2.5, 25 + 2.5);
+		ctx.rotate(-0.25 * Math.PI);
+
+		ctx.strokeStyle = '#000';
+		ctx.fillStyle = '#FFF';
+		ctx.lineWidth = 1;
+		ctx.beginPath();
+		ctx.moveTo(-7, -8);
+		ctx.lineTo(7, -8);
+		ctx.scale(7 / 2, 1);
+		ctx.arc(0, -8, 2, Math.PI, 2 * Math.PI);
+		ctx.scale(2 / 7, 1);
+		ctx.lineTo(7, 8);
+		ctx.scale(7 / 2, 1);
+		ctx.arc(0, 8, 2, 0, Math.PI);
+		ctx.scale(2 / 7, 1);
+		ctx.lineTo(-7, -8);
+		ctx.stroke();
+		ctx.fill();
+
+		var color = draw.fillColor !== 'none' ? draw.fillColor : '#00F';
+
+		ctx.strokeStyle = '#000';
+		ctx.fillStyle = color;
+		ctx.lineWidth = 0.5;
+		ctx.beginPath();
+		ctx.moveTo(7, -8);
+		ctx.scale(7 / 2, 1);
+		ctx.arc(0, -8, 2, Math.PI, 3 * Math.PI);
+		ctx.scale(2 / 7, 1);
+		ctx.fill();
+		ctx.stroke();
+
+		ctx.fillRect(-7, 0, 9, 5);
+		ctx.strokeRect(-7, 0, 9, 5);
+
+		ctx.beginPath();
+		ctx.moveTo(0, -4);
+		ctx.arc(0, -4, 1, 0, 2 * Math.PI);
+		ctx.fill();
+		ctx.beginPath();
+		ctx.moveTo(0, -4);
+		ctx.quadraticCurveTo(20, 10, 8, -2);
+		ctx.stroke();
+
+		ctx.strokeStyle = color;
+		ctx.beginPath();
+		ctx.moveTo(-3, -9);
+		ctx.quadraticCurveTo(-6, -17, -15, -3);
+		ctx.quadraticCurveTo(-9, -9, -7, -9);
+		ctx.closePath();
+		ctx.fill();
+		ctx.stroke();
+
+		ctx.rotate(0.25 * Math.PI);
+		ctx.translate(-26 + 2.5, -25 + 2.5);
+
+		ctx.translate(-obj.left, -obj.top);
+	},
+	click: function () {
+		changeDrawMode('floodFill');
+		draw.cursors.update();
+	}
+};
+draw.fillPath = {
+	resizable: false,
+	add: function () {},
+	getRect: function (obj) {
+		obj._left = obj.pos[0][0] - 10;
+		obj._top = obj.pos[0][1] - 10;
+		obj._right = obj.pos[0][0] + 10;
+		obj._bottom = obj.pos[0][1] + 10;
+		for (var j = 1; j < obj.pos.length; j++) {
+			obj._left = Math.min(obj._left, obj.pos[j][0] - 10);
+			obj._top = Math.min(obj._top, obj.pos[j][1] - 10);
+			obj._right = Math.max(obj._right, obj.pos[j][0] + 10);
+			obj._bottom = Math.max(obj._bottom, obj.pos[j][1] + 10);
+		}
+		obj._width = obj._right - obj._left;
+		obj._height = obj._bottom - obj._top;
+		return [obj._left, obj._top, obj._width, obj._height];
+	},
+	changePosition: function (obj, dl, dt, dw, dh) {},
+	drawButton: function (ctx, size, type) {},
+	draw: function (ctx, obj, path) {
+		ctx.fillStyle = obj.color;
+		ctx.save();
+		ctx.beginPath();
+		draw.fillPath.drawPolygonToCtx(ctx, obj.pos);
+		ctx.closePath();
+
+		if (!un(obj.holes)) {
+			for (var h = 0; h < obj.holes.length; h++) {
+				var hole = obj.holes[h];
+				if (hole.holeInHole == true)
+					continue;
+
+				draw.fillPath.drawPolygonToCtx(ctx, hole.pos);
+				/*ctx.moveTo(hole.pos[0][0],hole.pos[0][1]);
+				for (var p = 1; p < hole.pos.length; p++) {
+				var pos = hole.pos[p];
+				if (pos[2] == true) {
+				var pos2 = hole.pos[p+1];
+				if (p < hole.pos.length-2) {
+				ctx.quadraticCurveTo(pos[0],pos[1],(pos[0]+pos2[0])/2,(pos[1]+pos2[1])/2);
+				} else if (p == hole.pos.length-2) {
+				ctx.quadraticCurveTo(pos[0],pos[1],pos2[0],pos2[1]);
+				}
+				} else {
+				ctx.lineTo(pos[0],pos[1]);
+				}
+				}*/
+
+				ctx.closePath();
+			}
+		}
+
+		ctx.fill();
+
+		/*ctx.beginPath();
+		ctx.fillStyle = '#0FF';
+		for (var p = 0; p < obj.pos.length; p++) {
+		var pos = obj.pos[p];
+		ctx.moveTo(pos[0],pos[1]);
+		ctx.arc(pos[0],pos[1],10,0,2*Math.PI);
+		}
+		ctx.fill();*/
+
+		ctx.restore();
+	},
+	devMode: false,
+	outerField: false,
+	nodeTolerance: 10,
+	fillPolygonAtPoint: function (x, y) {
+		//if (un(draw.drawPolygons))
+		draw.fillPath.updateDrawPolygons();
+		var polygons = draw.drawPolygons;
+
+		for (var p = polygons.length - 1; p >= 0; p--) {
+			if (hitTestPolygon2([x, y], polygons[p].pos) == false) {
+				polygons.splice(p, 1);
+			}
+		}
+		if (polygons.length > 1) {
+			for (var p1 = polygons.length - 1; p1 >= 0; p1--) {
+				var poly1 = polygons[p1];
+				for (var p2 = polygons.length - 1; p2 >= 0; p2--) {
+					var poly2 = polygons[p2];
+					if (p1 == p2)
+						continue;
+					var holeFound = false;
+					for (var h = 0; h < poly1.holes.length; h++) {
+						if (poly1.holes[h].polygonId == poly2.polygonId) {
+							holeFound = true;
+							break;
+						}
+					}
+					if (holeFound == true) {
+						polygons.splice(p1, 1);
+						break;
+					}
+				}
+			}
+		}
+		if (un(polygons[0]))
+			return;
+		var polygon = polygons[0];
+		if (draw.fillPath.devMode == true)
+			console.log(polygon);
+
+		var color = draw.fillColor !== 'none' ? draw.fillColor : '#00F';
+		color = colorA(color, 0.5);
+
+		for (var p = 0; p < draw.path.length; p++) { // check if the path already exists
+			var path = draw.path[p];
+			for (var o = 0; o < path.obj.length; o++) {
+				var obj = path.obj[o];
+				if (obj.type == 'fillPath') {
+					if (samePolygons(polygon.pos, obj.pos)) {
+						if (obj.color == color) {
+							draw.path.splice(p, 1);
+						} else {
+							obj.color = color;
+						}
+						drawCanvasPaths();
+						return;
+					}
+				}
+			}
+		}
+
+		draw.path.push({
+			obj: [{
+					type: 'fillPath',
+					pos: polygon.pos,
+					holes: polygon.holes,
+					color: color,
+					drawFirst: true
+				}
+			],
+			selected: false,
+			trigger: []
+		});
+		//console.log(draw.path.last().obj[0]);
+		drawCanvasPaths();
+	},
+	updateDrawPolygons: function () {
+		//console.clear();
+
+		var nodes = [];
+		var edges = [];
+
+		var objects = getObjects();
+		getIntersectionPoints(objects);
+
+		if (draw.fillPath.devMode == true) {
+			draw.cursorCanvas.ctx.clear();
+			console.log('objects:', clone(objects));
+		}
+
+		for (var n1 = nodes.length - 1; n1 >= 0; n1--) { // check nodes are unique
+			for (var n2 = n1 - 1; n2 >= 0; n2--) {
+				if (dist(nodes[n1].pos, nodes[n2].pos) < draw.fillPath.nodeTolerance) {
+					nodes.splice(n1, 1);
+					break;
+				}
+			}
+		}
+
+		for (var n = 0; n < nodes.length; n++) {
+			nodes[n].edges = [];
+			nodes[n].nodeId = n;
+		}
+
+		var edges = buildEdges(objects);
+		if (draw.fillPath.devMode == true)
+			console.log('edges:', clone(edges));
+		// check edges are unique
+		for (var e1 = edges.length - 1; e1 >= 0; e1--) {
+			for (var e2 = e1; e2 >= 0; e2--) {
+				if (e1 == e2)
+					continue;
+				var edge1 = edges[e1];
+				var edge2 = edges[e2];
+				if (edge1.pos.length !== edge2.pos.length)
+					continue;
+				var matchForward = true;
+				var matchBack = true;
+				var pMax = edge1.pos.length - 1;
+				for (var p = 0; p <= pMax; p++) {
+					if (matchForward == true && dist(edge1.pos[p], edge2.pos[p]) > draw.fillPath.nodeTolerance)
+						matchForward = false;
+					if (matchBack == true && dist(edge1.pos[pMax - p], edge2.pos[p]) > draw.fillPath.nodeTolerance)
+						matchBack = false;
+					if (matchForward == false && matchBack == false)
+						break;
+				}
+				if (matchForward == true || matchBack == true) {
+					edges.splice(e1, 1);
+					break;
+				}
+			}
+		}
+		for (var e = 0; e < edges.length; e++) {
+			var edge1 = clone(edges[e]);
+			if (un(edge1.startNode) || un(edge1.finNode) || (edge1.startNode == edge1.finNode && edge1.pos.length == 2)) {
+				edges.splice(e, 1);
+				e--;
+				continue;
+			}
+			if (!un(nodes[edge1.startNode])) {
+				edge1.angle = getAngleTwoPoints(nodes[edge1.startNode].pos, edge1.pos[1]);
+				while (edge1.angle < 0)
+					edge1.angle += 2 * Math.PI;
+				while (edge1.angle >= 2 * Math.PI)
+					edge1.angle -= 2 * Math.PI;
+				/*if (edge1.pos[0][0] !== nodes[edge1.startNode].pos[0] || edge1.pos[0][1] !== nodes[edge1.startNode].pos[1]) {
+				//console.log(edge1.pos[0],nodes[edge1.startNode].pos);
+				edge1.pos[0][0] = nodes[edge1.startNode].pos[0];
+				edge1.pos[0][1] = nodes[edge1.startNode].pos[1];
+				edges[e].pos[0][0] = nodes[edge1.startNode].pos[0];
+				edges[e].pos[0][1] = nodes[edge1.startNode].pos[1];
+				}*/
+				//console.log(e,edge1.startNode,nodes[edge1.startNode].pos,edge1.pos[1],edge1.angle);
+				nodes[edge1.startNode].edges.push(edge1);
+			}
+			var edge2 = clone(edges[e]);
+			if (!un(nodes[edge2.finNode])) {
+				edge2.angle = getAngleTwoPoints(nodes[edge2.finNode].pos, edge2.pos[edge2.pos.length - 2]);
+				while (edge2.angle < 0)
+					edge2.angle += 2 * Math.PI;
+				while (edge2.angle >= 2 * Math.PI)
+					edge2.angle -= 2 * Math.PI;
+				/*if (edge1.pos.last()[0] !== nodes[edge1.startNode].pos[0] || edge1.pos.last()[1] !== nodes[edge1.startNode].pos[1]) {
+				//console.log(edge1.pos.last(),nodes[edge1.startNode].pos);
+				edge2.pos.last()[0] = nodes[edge2.finNode].pos[0];
+				edge2.pos.last()[1] = nodes[edge2.finNode].pos[1];
+				edges[e].pos[0] = nodes[edge2.finNode].pos[0];
+				edges[e].pos[1] = nodes[edge2.finNode].pos[1];
+				}*///console.log(e,edge2.finNode,nodes[edge2.finNode].pos,edge2.pos[edge2.pos.length-2],edge2.angle);
+				nodes[edge2.finNode].edges.push(edge2);
+			}
+		}
+		for (var n = 0; n < nodes.length; n++) {
+			nodes[n].edges.sort(function (a, b) {
+				return b.angle - a.angle;
+			});
+			nodes[n].edgeIds = [];
+			for (var e = 0; e < nodes[n].edges.length; e++) {
+				nodes[n].edgeIds.push(nodes[n].edges[e].edgeId);
+			}
+		}
+
+		if (draw.fillPath.devMode == true) {
+			drawAllEdges(edges, polygons);
+			console.log('edges:', clone(edges));
+			console.log('nodes:', clone(nodes));
+		}
+
+		var polygons = buildPolygons(objects, edges);
+
+		if (draw.fillPath.devMode == true) {
+			console.log('polygons:', clone(polygons));
+			//drawAllEdges(edges,polygons);
+
+		}
+		draw.drawPolygons = polygons;
+
+		function getObjects() {
+			var objects = [];
+			if (draw.fillPath.outerField == true) {
+				var left = draw.drawArea[0];
+				var top = draw.drawArea[1];
+				var right = draw.drawArea[0] + draw.drawArea[2];
+				var bottom = draw.drawArea[1] + draw.drawArea[3];
+				objects.push({
+					type: 'polygon',
+					pos: [[left, top, false], [right, top, false], [right, bottom, false], [left, bottom, false], [left, top, false]]
+				});
+			}
+			for (var p = 0; p < draw.path.length; p++) {
+				var path = draw.path[p];
+				if (un(path) || getPathVis(path) == false)
+					continue;
+				for (var o = 0; o < path.obj.length; o++) {
+					var obj = path.obj[o];
+					if (typeof obj.trigger !== 'undefined' && draw.ansMode == true && obj.trigger[0] == false && draw.showAns == false)
+						continue;
+					if (obj.visible === false || obj.vis === false)
+						continue;
+					if (['line', 'arc', 'circle', 'pen', 'polygon'].includes(obj.type)) {
+						if (obj.type == 'line') {
+							var pos = [clone(obj.startPos), clone(obj.finPos)];
+						} else if (obj.type == 'arc') {
+							var pos = clone(draw.fillPath.getPolygonOfArc(obj));
+							for (var p2 = 0; p2 < pos.length; p2++)
+								pos[p2].push(true);
+						} else if (obj.type == 'circle') {
+							var pos = clone(draw.fillPath.getPolygonOfCircle(obj));
+							for (var p2 = 0; p2 < pos.length; p2++)
+								pos[p2].push(true);
+						} else if (obj.type == 'pen') {
+							var pos = clone(obj.pos);
+							for (var p2 = 0; p2 < pos.length; p2++)
+								pos[p2].push(true);
+						} else if (obj.type == 'polygon') {
+							var pos = clone(obj.points);
+							pos.push(pos[0]);
+						}
+						for (var p1 = 0; p1 < pos.length; p1++) {
+							pos[p1][0] = roundToNearest(pos[p1][0], 1);
+							pos[p1][1] = roundToNearest(pos[p1][1], 1);
+						}
+						objects.push({
+							type: 'polygon',
+							pos: pos
+						});
+					}
+				}
+			}
+			return objects;
+		}
+		function getIntersectionPoints(objects) {
+			for (var o1 = 0; o1 < objects.length; o1++) {
+				var obj1 = objects[o1];
+
+				for (var p1 = obj1.pos.length - 2; p1 >= 0; p1--) { // check for self-intersection
+					var pos1 = obj1.pos[p1];
+					var pos2 = obj1.pos[p1 + 1];
+					for (var p2 = p1 - 2; p2 >= 0; p2--) {
+						var pos3 = obj1.pos[p2];
+						var pos4 = obj1.pos[p2 + 1];
+
+						if (dist(pos1, pos3) < draw.fillPath.nodeTolerance / 5) {
+							//if (draw.fillPath.devMode == true) console.log(1,3,p1,p2,pos1,pos3);
+							pos1[3] = true;
+							pos3[3] = true;
+							nodes.push({
+								pos: [pos1[0], pos1[1]]
+							});
+							/*} else if (dist(pos1,pos4) < draw.fillPath.nodeTolerance/5) {
+							if (draw.fillPath.devMode == true) console.log(1,4,p1,p2+1,pos1,pos4);
+							pos1[3] = true;
+							pos4[3] = true;
+							nodes.push({pos:[pos1[0],pos1[1]]});*/
+						} else if (dist(pos2, pos3) < draw.fillPath.nodeTolerance / 5) {
+							//if (draw.fillPath.devMode == true) console.log(2,3,p1+1,p2,pos2,pos3);
+							pos2[3] = true;
+							pos3[3] = true;
+							nodes.push({
+								pos: [pos2[0], pos2[1]]
+							});
+						} else if (dist(pos2, pos4) < draw.fillPath.nodeTolerance / 5) {
+							//if (draw.fillPath.devMode == true) console.log(2,4,p1+1,p2+1,pos2,pos4);
+							pos2[3] = true;
+							pos4[3] = true;
+							nodes.push({
+								pos: [pos2[0], pos2[1]]
+							});
+						} else {
+							var int = intersection(pos1, pos2, pos3, pos4);
+							if (int instanceof Array && isPointOnLineSegment(int, pos1, pos2) == true && isPointOnLineSegment(int, pos3, pos4) == true) {
+								int[0] = roundToNearest(int[0], 1);
+								int[1] = roundToNearest(int[1], 1);
+								nodes.push({
+									pos: int
+								});
+								obj1.pos.splice(p1 + 1, 0, [int[0], int[1], boolean(pos1[2], false), true]);
+								obj1.pos.splice(p2 + 1, 0, [int[0], int[1], boolean(pos3[2], false), true]);
+							}
+						}
+					}
+				}
+
+				for (var o2 = o1 + 1; o2 < objects.length; o2++) {
+					var obj2 = objects[o2];
+					for (var p1 = obj1.pos.length - 2; p1 >= 0; p1--) {
+						var pos1 = obj1.pos[p1];
+						var pos2 = obj1.pos[p1 + 1];
+						for (var p2 = obj2.pos.length - 2; p2 >= 0; p2--) {
+							var pos3 = obj2.pos[p2];
+							var pos4 = obj2.pos[p2 + 1];
+
+							if (dist(pos1, pos3) < draw.fillPath.nodeTolerance) {
+								pos1[3] = true;
+								pos3[3] = true;
+								nodes.push({
+									pos: [pos1[0], pos1[1]]
+								});
+							} else if (dist(pos1, pos4) < draw.fillPath.nodeTolerance) {
+								pos1[3] = true;
+								pos4[3] = true;
+								nodes.push({
+									pos: [pos1[0], pos1[1]]
+								});
+							} else if (dist(pos2, pos3) < draw.fillPath.nodeTolerance) {
+								pos2[3] = true;
+								pos3[3] = true;
+								nodes.push({
+									pos: [pos2[0], pos2[1]]
+								});
+							} else if (dist(pos2, pos4) < draw.fillPath.nodeTolerance) {
+								pos2[3] = true;
+								pos4[3] = true;
+								nodes.push({
+									pos: [pos2[0], pos2[1]]
+								});
+							} else if (p1 == 0 && distancePointToLineSegment(pos1, pos3, pos4) < draw.fillPath.nodeTolerance) {
+								pos1[3] = true;
+								obj2.pos.splice(p2 + 1, 0, [pos1[0], pos1[1], boolean(pos2[2], false), true]);
+								nodes.push({
+									pos: [pos1[0], pos1[1]]
+								});
+							} else if (p1 == obj1.pos.length - 2 && distancePointToLineSegment(pos2, pos3, pos4) < draw.fillPath.nodeTolerance) {
+								pos2[3] = true;
+								obj2.pos.splice(p2 + 1, 0, [pos2[0], pos2[1], boolean(pos2[2], false), true]);
+								nodes.push({
+									pos: [pos2[0], pos2[1]]
+								});
+							} else if (p2 == 0 && distancePointToLineSegment(pos3, pos1, pos2) < draw.fillPath.nodeTolerance) {
+								pos3[3] = true;
+								obj1.pos.splice(p1 + 1, 0, [pos3[0], pos3[1], boolean(pos1[2], false), true]);
+								nodes.push({
+									pos: [pos3[0], pos3[1]]
+								});
+							} else if (p2 == obj2.pos.length - 2 && distancePointToLineSegment(pos4, pos1, pos2) < draw.fillPath.nodeTolerance) {
+								pos4[3] = true;
+								obj1.pos.splice(p1 + 1, 0, [pos4[0], pos4[1], boolean(pos1[2], false), true]);
+								nodes.push({
+									pos: [pos4[0], pos4[1]]
+								});
+							} else {
+								var int = intersection(pos1, pos2, pos3, pos4);
+								if (int instanceof Array && isPointOnLineSegment(int, pos1, pos2) == true && isPointOnLineSegment(int, pos3, pos4) == true) {
+									int[0] = roundToNearest(int[0], 1);
+									int[1] = roundToNearest(int[1], 1);
+									nodes.push({
+										pos: int
+									});
+									obj1.pos.splice(p1 + 1, 0, [int[0], int[1], boolean(pos1[2], false), true]);
+									obj2.pos.splice(p2 + 1, 0, [int[0], int[1], boolean(pos2[2], false), true]);
+									p1 += 2;
+									break;
+								}
+							}
+						}
+					}
+
+				}
+			}
+		}
+
+		function buildEdges(objects) {
+			var edges = [];
+			for (var o = 0; o < objects.length; o++) {
+				var obj = objects[o];
+				var nodeIndex = -1;
+				var lastNode;
+				var edge = [];
+				for (var p = 0; p < obj.pos.length; p++) {
+					var pos = obj.pos[p];
+					if (nodeIndex > -1 || pos[3] == true)
+						edge.push(clone(pos));
+					if (pos[3] == true) {
+						if (edge.length > 1) {
+							startNode = lastNode.nodeId;
+							finNode = getNode(pos).nodeId;
+							edges.push({
+								type: 'polygon',
+								pos: clone(edge),
+								startNode: startNode,
+								finNode: finNode,
+								edgeId: edges.length
+							});
+							edge = [pos];
+						}
+						nodeIndex++;
+						lastNode = getNode(pos);
+					}
+				}
+			}
+			return edges;
+		}
+		function getNode(pos) {
+			for (var n = 0; n < nodes.length; n++) {
+				if (dist(pos, nodes[n].pos) < draw.fillPath.nodeTolerance) {
+					return nodes[n];
+				}
+			}
+			return false;
+		}
+		function getNodeNextEdge(node, edgeId) {
+			if (un(node))
+				return false;
+			if (un(edgeId))
+				return node.edges[0];
+			var index = node.edgeIds.indexOf(edgeId);
+			if (index == -1)
+				return false;
+			var index2 = index;
+			do {
+				var index2 = (index2 + 1) % node.edges.length;
+				if (index == index2)
+					return false;
+				var next = clone(node.edges[index2]);
+			} while (un(next.startNode) || un(next.finNode));
+			return next;
+		}
+		function buildPolygons(objects, edges) {
+			var polygons = [];
+			for (var n = 0; n < nodes.length; n++) {
+				for (var e = 0; e < nodes[n].edges.length; e++) {
+					var startNodeId = n;
+					var nodeIds = [n];
+					var edge = clone(nodes[n].edges[e]);
+					if (edge.startNode == startNodeId) {
+						nodeIds.push(edge.finNode);
+					} else if (edge.finNode == startNodeId) {
+						nodeIds.push(edge.startNode);
+						edge.pos.reverse();
+						edge.reversed = true;
+					}
+					var polygon = [edge];
+					var edgeIds = [edge.edgeId];
+					var count = 0;
+					while (nodeIds.last() !== startNodeId && count < 999) {
+						var edge = getNodeNextEdge(nodes[nodeIds.last()], edgeIds.last());
+						if (edge.startNode == nodeIds.last()) {
+							nodeIds.push(edge.finNode);
+						} else if (edge.finNode == nodeIds.last()) {
+							nodeIds.push(edge.startNode);
+							edge.pos.reverse();
+							edge.reversed = true;
+						}
+						polygon.push(edge);
+						edgeIds.push(edge.edgeId);
+						count++;
+					}
+					if (nodeIds.last() !== startNode.nodeId) {
+						polygons.push({
+							edges: polygon,
+							holes: [],
+							edgeIds: edgeIds,
+							nodeIds: nodeIds
+						});
+					}
+				}
+			}
+
+			if (draw.fillPath.devMode == true)
+				console.log(clone(polygons));
+
+			for (var p1 = polygons.length - 1; p1 >= 0; p1--) { // remove duplicate polygons
+				var poly1 = polygons[p1];
+				for (var p2 = polygons.length - 1; p2 >= 0; p2--) {
+					if (p1 == p2)
+						continue;
+					var poly2 = polygons[p2];
+					if (poly1.edges.length >= poly2.edges.length) {
+						var countMatchingSides = 0;
+						for (var p3 = 0; p3 < poly1.edges.length; p3++) {
+							var edge1 = poly1.edges[p3];
+							for (var p4 = 0; p4 < poly2.edges.length; p4++) {
+								var edge2 = poly2.edges[p4];
+								if (edge1.edgeId == edge2.edgeId) {
+									countMatchingSides++;
+									break;
+								}
+							}
+						}
+						if (countMatchingSides == poly2.edges.length) {
+							polygons.splice(p1, 1);
+							break;
+						}
+					}
+				}
+			}
+
+			if (draw.fillPath.devMode == true)
+				console.log(clone(polygons));
+
+			for (var p = 0; p < polygons.length; p++) {
+				var polygon = polygons[p];
+				polygon.polygonId = p;
+				var pos = []; // combine edges
+				for (var p2 = 0; p2 < polygon.edges.length; p2++) {
+					pos = pos.concat(polygon.edges[p2].pos);
+				}
+				for (var p2 = 0; p2 < pos.length; p2++) {
+					var p3 = (p2 + 1) % pos.length;
+					if (un(pos[p2]) || un(pos[p3]))
+						continue;
+					if (pos[p2][0] == pos[p3][0] && pos[p2][1] == pos[p3][1])
+						pos.splice(p3, 1);
+				}
+				while (pos.indexOf(undefined) > -1) {
+					pos.splice(pos.indexOf(undefined), 1);
+				}
+				if (polygonClockwiseTest(pos) == false)
+					pos.reverse();
+				polygon.pos = pos;
+			}
+			if (draw.fillPath.devMode == true)
+				console.log(clone(polygons));
+
+			var holeIds = [];
+			for (var p1 = polygons.length - 1; p1 >= 0; p1--) {
+				var poly1 = polygons[p1];
+				for (var p2 = p1 - 1; p2 >= 0; p2--) {
+					var poly2 = polygons[p2];
+					if (draw.fillPath.devMode == true)
+						console.log(p1, p2);
+					if (draw.fillPath.devMode == true)
+						console.log(poly1.edgeIds, poly2.edgeIds);
+					var comp = comparePolygons(poly1, poly2);
+					if (draw.fillPath.devMode == true)
+						console.log(comp.type, comp);
+					switch (comp.type) {
+					case 'same':
+						polygons.splice(p1, 1);
+						p2 = -1;
+						break;
+					case 'poly1HoleOfPoly2':
+						var hole = {
+							pos: clone(poly1.pos).reverse(),
+							polygonId: poly1.polygonId
+						};
+						poly2.holes.push(hole);
+						holeIds.push([poly2.polygonId, poly1.polygonId]);
+						break;
+					case 'poly2HoleOfPoly1':
+						var hole = {
+							pos: clone(poly2.pos).reverse(),
+							polygonId: poly2.polygonId
+						};
+						poly1.holes.push(hole);
+						holeIds.push([poly1.polygonId, poly2.polygonId]);
+						break;
+					case 'poly1SubOfPoly2':
+						polygons.splice(p2, 1);
+						p1--;
+						poly1 = polygons[p1];
+						break;
+					case 'poly2SubOfPoly1':
+						polygons.splice(p1, 1);
+						p2 = -1;
+						break;
+					case 'none':
+					case 'adjacent':
+						break;
+					}
+				}
+			}
+			//console.log(holeIds);
+			if (draw.fillPath.devMode == true)
+				console.log(clone(polygons));
+			var polygonIds = [];
+			for (var p1 = 0; p1 < polygons.length; p1++) {
+				polygonIds.push(polygons[p1].polygonId);
+			}
+			for (var p1 = 0; p1 < polygons.length; p1++) {
+				var holes = polygons[p1].holes;
+				for (var h1 = holes.length - 1; h1 >= 0; h1--) {
+					var poly1 = holes[h1];
+					if (polygonIds.indexOf(poly1.polygonId) == -1) {
+						holes.splice(h1, 1);
+					}
+				}
+			}
+
+			for (var p1 = polygons.length - 1; p1 >= 0; p1--) {
+				var holes = polygons[p1].holes;
+				if (holes.length < 2)
+					continue;
+				for (var h1 = holes.length - 1; h1 >= 0; h1--) {
+					var poly1 = holes[h1];
+					for (var h2 = holes.length - 1; h2 >= 0; h2--) {
+						if (h1 == h2)
+							continue;
+						var poly2 = holes[h2];
+						for (var h3 = 0; h3 < holeIds.length; h3++) {
+							if (holeIds[h3][0] == poly2.polygonId && holeIds[h3][1] == poly1.polygonId) {
+								poly1.holeInHole = true;
+								//console.log(poly2.polygonId,'has hole:',poly1.polygonId);
+								h2 = -1;
+								break;
+							}
+						}
+					}
+				}
+			}
+			return polygons;
+		}
+
+		function comparePolygons(polygon1, polygon2) {
+			var poly1 = clone(polygon1);
+			var poly2 = clone(polygon2);
+			var comp = {
+				edgesCommon: [],
+				verticesCommon: [],
+				type: 'none',
+				poly1: poly1,
+				poly2: poly2
+			};
+			for (var p3 = 0; p3 < poly1.edges.length; p3++) {
+				var edge1 = poly1.edges[p3];
+				for (var p4 = 0; p4 < poly2.edges.length; p4++) {
+					var edge2 = poly2.edges[p4];
+					if (edge1.edgeId == edge2.edgeId) {
+						comp.edgesCommon.push(edge1.edgeId);
+					}
+				}
+			}
+			for (var p3 = 0; p3 < poly1.pos.length; p3++) {
+				var pos1 = poly1.pos[p3];
+				for (var p4 = 0; p4 < poly2.pos.length; p4++) {
+					var pos2 = poly2.pos[p4];
+					if (pos1[0] == pos2[0] && pos1[1] == pos2[1] || dist(pos1, pos2) < 3) {
+						comp.verticesCommon.push([pos1[0], pos1[1]]);
+						pos1[5] = true;
+						pos2[5] = true;
+					}
+				}
+			}
+
+			if (poly1.edgeIds.length == poly2.edgeIds.length && comp.edgesCommon.length == poly2.edgeIds.length) {
+				comp.type = 'same';
+			} else if (comp.edgesCommon.length == 0) {
+				for (var p = 0; p < poly1.pos.length; p++) {
+					var pos1 = poly1.pos[p];
+					var pos2 = poly1.pos[(p + 1) % poly1.pos.length];
+					if (pos1[5] !== true && pointInPolygon(pos1, poly2.pos, false) == true) {
+						comp.poly1HasPointInsidePoly2 = true;
+						comp.poly1PointInPoly2 = pos1;
+						break;
+					}
+				}
+				for (var p = 0; p < poly2.pos.length; p++) {
+					var pos1 = poly2.pos[p];
+					var pos2 = poly2.pos[(p + 1) % poly2.pos.length]
+						if (pos1[5] !== true && pointInPolygon(pos1, poly1.pos, false) == true) {
+							comp.poly2HasPointInsidePoly1 = true;
+							comp.poly2PointInPoly1 = pos1;
+							break;
+						}
+				}
+				if (comp.poly1HasPointInsidePoly2 == true) {
+					comp.type = 'poly1HoleOfPoly2';
+				} else if (comp.poly2HasPointInsidePoly1 == true) {
+					comp.type = 'poly2HoleOfPoly1';
+				}
+			} else {
+				var pos1 = poly1.pos;
+				var pos2 = poly2.pos;
+
+				var aInsideB = false;
+				var aOutsideB = false;
+				for (var p1 = 0; p1 < pos1.length; p1++) {
+					if (aInsideB == true && aOutsideB == true)
+						break;
+					var curr = pos1[p1];
+					for (var p2 = 0; p2 < pos2.length; p2++) {
+						if (dist(pos2[p2], curr) < 3) {
+							curr[8] = 0;
+							break;
+						}
+					}
+					if (curr[8] !== 0) {
+						if (pointDistToPolygonBoundary(curr, pos2) < 3) {
+							curr[8] = 0;
+						} else if (pointInPolygon(curr, pos2, false) == true) {
+							curr[8] = 1;
+							aInsideB = true;
+							continue;
+						}
+					}
+					var next = pos1[(p1 + 1) % pos1.length];
+					var mid = [(curr[0] + next[0]) / 2, (curr[1] + next[1]) / 2];
+					if (pointDistToPolygonBoundary(mid, pos2) < 3) {
+						curr[8] = 0;
+					} else if (pointInPolygon(mid, pos2, false) == true) {
+						curr[8] = 1;
+						aInsideB = true;
+						continue;
+					}
+					curr[8] = -1;
+					aOutsideB = true;
+				}
+
+				var bInsideA = false;
+				var bOutsideA = false;
+				for (var p2 = 0; p2 < pos2.length; p2++) {
+					if (bInsideA == true && bOutsideA == true)
+						break;
+					var curr = pos2[p2];
+					for (var p1 = 0; p1 < pos1.length; p1++) {
+						if (dist(pos1[p1], curr) < 3) {
+							curr[8] = 0;
+							break;
+						}
+					}
+					if (curr[8] !== 0) {
+						if (pointDistToPolygonBoundary(curr, pos1) < 3) {
+							curr[8] = 0;
+						} else if (pointInPolygon(curr, pos1, false) == true) {
+							curr[8] = 1;
+							bInsideA = true;
+							continue;
+						}
+					}
+					var next = pos2[(p2 + 1) % pos2.length];
+					var mid = [(curr[0] + next[0]) / 2, (curr[1] + next[1]) / 2];
+					if (pointDistToPolygonBoundary(mid, pos1) < 3) {
+						curr[8] = 0;
+					} else if (pointInPolygon(mid, pos1, false) == true) {
+						curr[8] = 1;
+						bInsideA = true;
+						continue;
+					}
+					curr[8] = -1;
+					bOutsideA = true;
+				}
+
+				if (draw.fillPath.devMode == true) {
+					console.log(aInsideB);
+					console.log(aOutsideB);
+					console.log(bInsideA);
+					console.log(bOutsideA);
+				}
+
+				if (aInsideB == true && bOutsideA == true) {
+					comp.type = 'poly1SubOfPoly2';
+				} else if (bInsideA == true && aOutsideB == true) {
+					comp.type = 'poly2SubOfPoly1';
+				} else {
+					comp.type = 'adjacent';
+				}
+			}
+			return comp;
+
+		}
+
+		function getPointInsidePolygon(polygon) {
+			var xMin = polygon[0][0];
+			var xMax = polygon[0][0];
+			var yMin = polygon[0][1];
+			var yMax = polygon[0][1];
+			for (var p = 1; p < polygon.length; p++) {
+				xMin = Math.min(xMin, polygon[p][0]);
+				xMax = Math.max(xMax, polygon[p][0]);
+				yMin = Math.min(yMin, polygon[p][1]);
+				yMax = Math.max(yMax, polygon[p][1]);
+			}
+			var pos2 = false;
+			var minDist = 0;
+			var count = 0;
+			var foundCount = 0;
+			do {
+				var pos = [xMin + Math.random() * (xMax - xMin), yMin + Math.random() * (yMax - yMin)];
+				var inPolygon = pointInPolygon(pos, polygon, false);
+				if (inPolygon == true) {
+					var posDist = pointDistToPolygonBoundary(pos, polygon);
+					if (posDist > minDist) {
+						pos2 = pos;
+						minDist = posDist;
+					}
+					foundCount++;
+				}
+				count++;
+			} while (foundCount < 40 && count < 1000);
+			return pos2;
+		}
+		function pointDistToPolygonBoundary(point, pos) {
+			var dist = 100000;
+			for (var p = 0; p < pos.length; p++) {
+				var pos1 = pos[p];
+				var pos2 = pos[(p + 1) % pos.length];
+				var dist = Math.min(dist, distancePointToLineSegment(point, pos1, pos2));
+			}
+			return dist;
+		}
+		function polygonHoleOfPolygon(polygon1, polygon2) {
+			// is polygon1 a hole of polygon2? (with no edges in common)
+			if (polygonsEdgeInCommon(polygon1, polygon2) == true)
+				return false;
+			if (polygonInsidePolygon(polygon1.pos, polygon2.pos, false))
+				return true;
+			return false;
+		}
+		function polygonSubOfPolygon(polygon1, polygon2) {
+			// is polygon1 a part of polygon2? (with at least one edge in common)
+			if (polygonsEdgeInCommon(polygon1, polygon2) == false)
+				return false;
+			if (polygonInsidePolygon(polygon1.pos, polygon2.pos, true))
+				return true;
+			return false;
+		}
+		function polygonsEdgeInCommon(polygon1, polygon2) {
+			for (var e1 = 0; e1 < polygon1.edgeIds.length; e1++) {
+				for (var e2 = 0; e2 < polygon2.edgeIds.length; e2++) {
+					if (polygon1.edgeIds[e1] == polygon2.edgeIds[e2])
+						return true;
+				}
+			}
+			return false;
+		}
+		function polygonInsidePolygon(polygon1, polygon2, includeBoundary) {
+			// is polygon1 inside polygon2
+			if (pointInPolygon(polygon1[0], polygon2, includeBoundary) == false)
+				return false;
+			for (var i = 0; i < polygon1.length; i++) {
+				var line1 = [polygon1[i], polygon1[(i + 1) % polygon1.length]];
+				for (var j = 0; j < polygon2.length; j++) {
+					var line2 = [polygon2[j], polygon2[(j + 1) % polygon2.length]];
+					if (lineSegmentsIntersectionTest(line1, line2) == true) {
+						if (includeBoundary == false)
+							return false;
+						var p3 = isPointOnLineSegment(line1[0], line2[0], line2[1]);
+						var p4 = isPointOnLineSegment(line1[1], line2[0], line2[1]);
+						if (p3 == false && p4 == false)
+							return false;
+						if (p3 == true && p4 == true)
+							continue; // edge is part of edge
+						if (p3 == true && p4 == false && pointInPolygon(line1[1], polygon2, true) == false)
+							return false;
+						if (p3 == false && p4 == true && pointInPolygon(line1[0], polygon2, true) == false)
+							return false;
+					}
+				}
+			}
+			return true;
+		}
+		function polygonsVertexInCommon(polygon1, polygon2) {
+			for (var e1 = 0; e1 < polygon1.pos.length; e1++) {
+				for (var e2 = 0; e2 < polygon2.pos.length; e2++) {
+					if (dist(polygon1.pos[e1], polygon2.pos[e2]) < 0.1)
+						return true;
+				}
+			}
+			return false;
+		}
+		function pointInPolygon(point, pos, includeBoundary) {
+			//https://stackoverflow.com/questions/8721406/how-to-determine-if-a-point-is-inside-a-2d-convex-polygon/23223947#23223947
+			var result = false;
+			for (var i = 0, j = pos.length - 1; i < pos.length; j = i++) {
+				if ((pos[i][1] > point[1]) != (pos[j][1] > point[1]) &&
+					(point[0] < (pos[j][0] - pos[i][0]) * (point[1] - pos[i][1]) / (pos[j][1] - pos[i][1]) + pos[i][0])) {
+					result = !result;
+				}
+			}
+			if (result == false && includeBoundary == true) {
+				return pointOnPolygonBoundary(point, pos);
+			}
+			return result;
+		}
+		function pointOnPolygonBoundary(point, pos, tol) {
+			if (un(tol))
+				tol = 0.01;
+			for (var p = 0; p < pos.length; p++) {
+				var pos1 = pos[p];
+				var pos2 = pos[(p + 1) % pos.length];
+				if (isPointOnLineSegment(point, pos1, pos2, tol) == true)
+					return true;
+			}
+			return false;
+		}
+
+		function getMeanPoint(polygon) {
+			var total = [0, 0];
+			for (var i = 0; i < polygon.length; i++) {
+				total[0] += polygon[i][0];
+				total[1] += polygon[i][1];
+			}
+			return [total[0] / polygon.length, total[1] / polygon.length];
+		}
+		function drawAllEdges(edges, polygons) { // for dev only
+			var ctx = draw.cursorCanvas.ctx;
+			//ctx.clear();
+			var colors = ['#A00', '#00A', '#0A0', '#AA0', '#A0A', '#0AA', '#066', '#606', '#066', '#660', '#660', '#606'];
+			/*
+			for (var p = 0; p < polygons.length; p++) {
+			var pos = polygons[p].pos;
+			ctx.beginPath();
+			ctx.lineWidth = 5;
+			var color = colors[p%colors.length];
+			ctx.fillStyle = colorA(color,0.4);
+			draw.fillPath.drawPolygonToCtx(ctx,pos);
+			ctx.fill();
+			}//*/
+			//*
+			for (var e = 0; e < edges.length; e++) {
+				var edge = edges[e];
+				ctx.beginPath();
+				ctx.lineWidth = 5;
+				var color = colors[e % colors.length];
+				ctx.strokeStyle = color;
+				draw.fillPath.drawPolygonToCtx(ctx, edge.pos);
+				ctx.stroke();
+
+				var mid = draw.fillPath.getPolygonMidPoint(edge.pos);
+				text({
+					ctx: ctx,
+					text: ['<<color:' + color + '>>' + String(edge.edgeId)],
+					rect: [mid[0] - 50, mid[1] - 50, 100, 100],
+					align: [0, 0],
+					box: {
+						type: 'tight',
+						color: '#FFF',
+						borderColor: color,
+						borderWidth: 2
+					}
+				});
+			} //*/
+			//*
+			for (var n = 0; n < nodes.length; n++) {
+				var pos = nodes[n].pos;
+				ctx.beginPath();
+				ctx.fillStyle = '#F00';
+				ctx.moveTo(pos[0], pos[1]);
+				ctx.arc(pos[0], pos[1], 8, 0, 2 * Math.PI);
+				ctx.fill();
+
+				var mid = draw.fillPath.getPolygonMidPoint(pos);
+				text({
+					ctx: ctx,
+					text: ['<<color:#F00>>' + String(nodes[n].nodeId)],
+					rect: [pos[0] + 20, pos[1] - 50, 50, 100],
+					align: [0, 0],
+					box: {
+						type: 'tight',
+						color: '#FCF',
+						borderColor: '#F00',
+						borderWidth: 2,
+						radius: 30
+					}
+				});
+			} //*/
+
+		}
+	},
+	drawPolygonToCtx: function (ctx, pos) {
+		ctx.moveTo(pos[0][0], pos[0][1]);
+		for (var p = 1; p < pos.length; p++) {
+			ctx.lineTo(pos[p][0], pos[p][1]);
+			if (pos[p - 1][2] == true && pos.length > 2) {
+				if (p < pos.length - 1) {
+					ctx.quadraticCurveTo(pos[p][0], pos[p][1], (pos[p][0] + pos[p + 1][0]) / 2, (pos[p][1] + pos[p + 1][1]) / 2);
+				} else {
+					ctx.quadraticCurveTo(pos[p][0], pos[p][1], pos[p - 1][0], pos[p - 1][1]);
+				}
+			} else {
+				ctx.lineTo(pos[p][0], pos[p][1]);
+			}
+		}
+		ctx.lineTo(pos.last()[0], pos.last()[1]);
+	},
+	getPolygonMidPoint: function (pos) {
+		if (pos.length % 2 == 1) {
+			return pos[Math.floor(pos.length / 2)];
+		} else {
+			var pos1 = pos[pos.length / 2 - 1];
+			var pos2 = pos[pos.length / 2];
+			return [(pos1[0] + pos2[0]) / 2, (pos1[1] + pos2[1]) / 2];
+		}
+	},
+	getPolygonOfArc: function (arc, radianSeperation) {
+		if (un(radianSeperation)) {
+			radianSeperation = 0.2;
+			//radianSeperation = Math.acos(1-(6*6)/(2*arc.radius*arc.radius));
+			//console.log(radianSeperation);
+		}
+		var a1 = arc.startAngle;
+		var a2 = arc.finAngle;
+		var polygon = [];
+		var a = a1;
+		if (arc.circle == true) {
+			a = 2 * Math.PI;
+			while (a > radianSeperation) {
+				addPos(a);
+				a -= radianSeperation;
+			}
+		} else if (arc.clockwise == false) {
+			if (a2 > a1)
+				a2 -= 2 * Math.PI;
+			while (a > a2 + radianSeperation) {
+				addPos(a);
+				a -= radianSeperation;
+			}
+		} else {
+			if (a2 < a1)
+				a2 += 2 * Math.PI;
+			while (a < a2 - radianSeperation) {
+				addPos(a);
+				a += radianSeperation;
+			}
+		}
+		addPos(a2);
+		return polygon;
+
+		function addPos(a) {
+			polygon.push([
+					arc.center[0] + arc.radius * Math.cos(a),
+					arc.center[1] + arc.radius * Math.sin(a)
+				]);
+		}
+	},
+	getPolygonOfCircle: function (circle, radianSeperation) {
+		if (un(radianSeperation))
+			radianSeperation = 0.2;
+		var polygon = [];
+		var a = 2 * Math.PI;
+		while (a > radianSeperation) {
+			addPos(a);
+			a -= radianSeperation;
+		}
+		addPos(0);
+		return polygon;
+
+		function addPos(a) {
+			polygon.push([
+					circle.center[0] + circle.radius * Math.cos(a),
+					circle.center[1] + circle.radius * Math.sin(a)
+				]);
+		}
+	}
+}
diff --git a/tools/i2/_grid2.js b/tools/i2/_grid2.js
new file mode 100644
index 0000000..169a70d
--- /dev/null
+++ b/tools/i2/_grid2.js
@@ -0,0 +1,2575 @@
+// js
+
+var plotPath;
+var plotPathNum;
+var plotPointNum;
+
+function drawGrid(left, top, horizSpacing, vertSpacing, vertLines, horizLines, lineThickness, colour, opt_ctx) {
+	var ctx3;
+	if (typeof opt_ctx !== 'undefined') {ctx3 = opt_ctx} else {ctx3 = ctx}
+	
+	if (!lineThickness) {lineThickness = 3}
+	if (!colour) {colour = '#999'}
+	ctx3.strokeStyle = colour;
+	ctx3.lineWidth = lineThickness;
+
+	ctx3.beginPath();
+	for (i = 0; i < horizLines + 1; i++) {
+		ctx3.moveTo(left + i * horizSpacing, top);
+		ctx3.lineTo(left + i * horizSpacing, top + vertLines * vertSpacing);
+	}
+	for (i = 0; i < vertLines + 1; i++) {
+		ctx3.moveTo(left, top + i * vertSpacing);
+		ctx3.lineTo(left + horizLines * horizSpacing, top + i * vertSpacing);
+	}
+	ctx3.closePath();
+	ctx3.stroke();
+}
+
+function drawGrid3(context,contextLeft,contextTop,gridDetails,opt_fontSize,opt_minorColor,opt_majorColor,opt_xAxisColor,opt_yAxisColor,opt_borderColor,opt_originColor,opt_backColor,opt_showGrid,opt_showScales,opt_showLabels) {
+	
+	var mode = gridDetails.angleMode || 'deg'; 
+	/********************************
+		if mode == "rad" ...
+		xMin, xMax, xMinorStep, xMajorStep are all multiples of pi, given as [num,denom],
+		which will be simplified when text is drawn
+	********************************/
+	var hoursMode = boolean(gridDetails.hoursMode,false);
+	/********************************
+		if hoursMode == true ...
+		x-values will be converted to (eg. 12:00);
+	********************************/
+	
+	var left = gridDetails.left - contextLeft; // use dimensions relative to background canvas (1200x700)
+	var top = gridDetails.top - contextTop;   // rather than the context supplied
+	var width = gridDetails.width;
+	var height = gridDetails.height;
+	
+	if (mode == 'rad') {
+		if (typeof gridDetails.xMin == 'number') {
+			var xMin = Math.PI * gridDetails.xMin;
+		} else {
+			var xMin = Math.PI * gridDetails.xMin[0] / gridDetails.xMin[1];
+		}
+		if (typeof gridDetails.xMax == 'number') {
+			var xMax = Math.PI * gridDetails.xMax;
+		} else {
+			var xMax = Math.PI * gridDetails.xMax[0] / gridDetails.xMax[1];
+		}
+		if (typeof gridDetails.xMinorStep == 'number') {
+			var xMinorStep = Math.PI * gridDetails.xMinorStep;
+		} else {
+			var xMinorStep = Math.PI * gridDetails.xMinorStep[0] / gridDetails.xMinorStep[1];
+		}
+		if (typeof gridDetails.xMajorStep == 'number') {
+			var xMajorStep = Math.PI * gridDetails.xMajorStep;
+		} else {
+			var xMajorStep = Math.PI * gridDetails.xMajorStep[0] / gridDetails.xMajorStep[1];
+		}
+	} else {
+		var xMin = gridDetails.xMin;
+		var xMax = gridDetails.xMax;
+		var xMinorStep = gridDetails.xMinorStep;
+		var xMajorStep = gridDetails.xMajorStep;
+		var xScaleStep = gridDetails.xScaleStep || xMajorStep;
+	}
+
+	if (xMin >= xMax) {
+		console.log('Error:  xMin >= xMax');
+		return;
+	}
+	
+	var yMin = gridDetails.yMin;
+	var yMax = gridDetails.yMax;
+	var yMinorStep = gridDetails.yMinorStep;		
+	var yMajorStep = gridDetails.yMajorStep;
+	var yScaleStep = gridDetails.yScaleStep || yMajorStep;
+	
+	if (yMin >= yMax) {
+		console.log('Error:  yMin >= yMax');
+		return;
+	}
+
+	var showGrid = boolean(gridDetails.showGrid,boolean(opt_showGrid,true));
+	var showScales = boolean(gridDetails.showScales,boolean(opt_showScales,true));
+	var showXScale = boolean(gridDetails.showXScale,showScales);
+	var showYScale = boolean(gridDetails.showYScale,showScales);
+	var showLabels = boolean(gridDetails.showLabels,boolean(opt_showLabels,true));
+	var showAxes = boolean(gridDetails.showAxes,true);
+	var showBorder = boolean(gridDetails.showBorder,showAxes);
+	
+	var originStyle = gridDetails.originStyle || 'circle'; // 'circle', 'numbers' or 'none'
+	var xScaleOffset = gridDetails.xScaleOffset || 4;
+	var yScaleOffset = gridDetails.yScaleOffset || 0;
+	
+	var minorWidth = gridDetails.minorWidth || 1;
+	var majorWidth = gridDetails.majorWidth || gridDetails.thickness || 2.4;
+	
+	var labelPos = [left,top,left+width,top+height];
+	
+	var sf = gridDetails.sf || 1; // scale factor for text, origin, lineWidths
+	
+	// work out the spacing for minor and major steps
+	var xMinorSpacing = (width * xMinorStep) / (xMax - xMin);
+	var xMajorSpacing = (width * xMajorStep) / (xMax - xMin);	
+	var yMinorSpacing = (height * yMinorStep) / (yMax - yMin);
+	var yMajorSpacing = (height * yMajorStep) / (yMax - yMin);
+	
+	var gridFontSize = gridDetails.fontSize || opt_fontSize || 24*sf;
+	var backColor = gridDetails.backColor || opt_backColor || mainCanvasFillStyle || '#FFC';
+	var invertedBackColor = getShades(backColor,true);
+	if (['#FFF','#fff','#FFFFFF','#ffffff'].indexOf(backColor) == -1) {
+		var minorColor = gridDetails.minorColor || opt_minorColor || /*invertedBackColor[10] || */'#999';
+	} else {
+		var minorColor = gridDetails.minorColor || opt_minorColor || invertedBackColor[9] || '#999';
+		// slightly darker if white background - for printing
+	}
+	var majorColor = gridDetails.majorColor || gridDetails.color || opt_majorColor || /*invertedBackColor[9] || */'#999';
+	var originColor = gridDetails.axesColor || opt_originColor || /*invertedBackColor[4] || */'#666';
+	var xAxisColor = gridDetails.axesColor || opt_xAxisColor || /*invertedBackColor[2] || */'#000';
+	var yAxisColor = gridDetails.axesColor || opt_yAxisColor || /*invertedBackColor[2] || */'#000';
+	var borderColor = gridDetails.axesColor || opt_borderColor || /*invertedBackColor[2] || */'#000';
+
+	var xScaleColor = gridDetails.xScaleColor || gridDetails.scaleColor || xAxisColor;
+	var yScaleColor = gridDetails.yScaleColor || gridDetails.scaleColor || yAxisColor;
+	
+	var dots = boolean(gridDetails.dots,false);
+	var dotsColor = def([gridDetails.dotsColor,majorColor]);
+	var dotsRadius = def([gridDetails.dotsRadius,3])*sf;
+	
+	var labelFontSize = gridFontSize * 1.375;	
+	var xAxisLabel = gridDetails.xAxisLabel || ['x'];
+	var yAxisLabel = gridDetails.yAxisLabel || ['y'];
+	if (typeof xAxisLabel == 'string') xAxisLabel = [xAxisLabel];
+	if (typeof yAxisLabel == 'string') yAxisLabel = [yAxisLabel];
+	
+	// work out the coordinates of the origin
+	var x0 = left - (xMin * width) / (xMax - xMin);
+	var y0 = top + (yMax * height) / (yMax - yMin);
+	
+	// work out the actual display position of the origin (ie. at the edge if it is off the grid)
+	var x0DisplayPos;
+	var y0DisplayPos;
+	if (x0 >= left && x0 <= left + width) {
+		x0DisplayPos = x0;
+	} else {
+		if (x0 < left) {x0DisplayPos = left};
+		if (x0 > left + width) {x0DisplayPos = left + width};
+	}
+	if (y0 >= top && y0 <= top + height) {
+		y0DisplayPos = y0;
+	} else {
+		if (y0 < top) {y0DisplayPos = top};
+		if (y0 > top + height) {y0DisplayPos = top + height};
+	}
+
+	if (showGrid == true) {
+		// draw minor grid lines
+		context.strokeStyle = minorColor;
+		context.lineWidth = minorWidth*sf;
+		context.beginPath();
+		// draws positive xMinor lines
+		var xAxisPoint = x0 + xMinorSpacing;
+		while (xAxisPoint < left + width) {
+			if (xAxisPoint > left) {
+				context.moveTo(xAxisPoint, top);
+				context.lineTo(xAxisPoint, top + height);
+			}
+			xAxisPoint += xMinorSpacing;
+		}
+		// draws negative xMinor lines
+		var xAxisPoint = x0 - xMinorSpacing;
+		while (xAxisPoint > left) {
+			if (xAxisPoint < left + width) {
+				context.moveTo(xAxisPoint, top);
+				context.lineTo(xAxisPoint, top + height);
+			}
+			xAxisPoint -= xMinorSpacing;
+		}
+		// draws positive yMinor lines
+		var yAxisPoint = y0 - yMinorSpacing;
+		while (yAxisPoint > top) {
+			if (yAxisPoint < top + height) {
+				context.moveTo(left, yAxisPoint);
+				context.lineTo(left + width, yAxisPoint);
+			}
+			yAxisPoint -= yMinorSpacing;
+		}
+		// draws negative yMinor lines
+		var yAxisPoint = y0 + yMinorSpacing;
+		while (yAxisPoint < top + height) {
+			if (yAxisPoint > top) {
+				context.moveTo(left, yAxisPoint);
+				context.lineTo(left + width, yAxisPoint);
+			}
+			yAxisPoint += yMinorSpacing;
+		}
+		context.closePath();
+		context.stroke();		
+		
+		// draw major lines
+		context.strokeStyle = majorColor;
+		context.lineWidth = majorWidth*sf;
+		context.beginPath();
+		// draws positive xMajor lines
+		if (showAxes == true) {
+			var xAxisPoint = x0 + xMajorSpacing;
+		} else {
+			var xAxisPoint = x0;
+		}
+		while (xAxisPoint <= left + width) {
+			if (xAxisPoint > left) {
+				context.moveTo(xAxisPoint, top);
+				context.lineTo(xAxisPoint, top + height);
+			}
+			xAxisPoint += xMajorSpacing;
+		}
+		// draws negative xMajor lines
+		var xAxisPoint = x0 - xMajorSpacing;
+		while (xAxisPoint >= left) {
+			if (xAxisPoint < left + width) {
+				context.moveTo(xAxisPoint, top);
+				context.lineTo(xAxisPoint, top + height);
+			}
+			xAxisPoint -= xMajorSpacing;
+		}
+		// draws positive yMajor lines
+		if (showAxes == true) {
+			var yAxisPoint = y0 - yMajorSpacing;
+		} else {
+			var yAxisPoint = y0;
+		}		
+		while (yAxisPoint >= top) {
+			if (yAxisPoint < top + height) {
+				context.moveTo(left, yAxisPoint);
+				context.lineTo(left + width, yAxisPoint);
+			}
+			yAxisPoint -= yMajorSpacing;
+		}
+		// draws negative yMajor lines
+		var yAxisPoint = y0 + yMajorSpacing;
+		while (yAxisPoint <= top + height) {
+			if (yAxisPoint > top) {		
+				context.moveTo(left, yAxisPoint);
+				context.lineTo(left + width, yAxisPoint);
+			}
+			yAxisPoint += yMajorSpacing;
+		}
+		context.closePath();
+		context.stroke();
+	}
+	
+	if (dots == true) {
+		context.fillStyle = dotsColor;
+		var xMin2 = Math.floor(Math.abs(xMin)/xMajorStep)*xMajorStep*(xMin/Math.abs(xMin));
+		var xMax2 = Math.floor(Math.abs(xMax)/xMajorStep)*xMajorStep*(xMax/Math.abs(xMax));
+		var yMin2 = Math.floor(Math.abs(yMin)/yMajorStep)*yMajorStep*(yMin/Math.abs(yMin));
+		var yMax2 = Math.floor(Math.abs(yMax)/yMajorStep)*yMajorStep*(yMax/Math.abs(yMax));
+		for (var x = xMin2; x <= xMax2; x += xMajorStep) {
+			var xPos = getPosOfCoordX2(x,left,width,xMin,xMax);
+			for (var y = yMin2; y <= yMax2; y += yMajorStep) {
+				var yPos = getPosOfCoordY2(y,top,height,yMin,yMax);
+				context.beginPath();
+				context.arc(xPos,yPos,dotsRadius,0,2*Math.PI);
+				context.fill();
+			}
+		}
+	}
+
+	if (showLabels == true) {
+		if (!un(gridDetails.axisLabels)) {
+			if (!un(draw) && !un(draw.hiddenCanvas)) {
+				var ctx2 = draw.hiddenCanvas.ctx;
+			} else {
+				if (!un(window.hiddenCanvas)) window.hiddenCanvas = newctx({vis:false});
+				var ctx2 = hiddenCanvas.ctx;
+			}
+			
+			var xDist = gridDetails.axisLabels[0].dist || 30;
+			var measureTextX = text({ctx:ctx2,text:['<<fontSize:'+labelFontSize+'>>'].concat(gridDetails.axisLabels[0].text),rect:[0,0,gridDetails.width,100],measureOnly:true}).tightRect;
+			var xLabelRect = [gridDetails.left+gridDetails.width-measureTextX[2],gridDetails.top+gridDetails.height+xDist,measureTextX[2],measureTextX[3]];
+			
+			text({ctx:context,text:['<<fontSize:'+labelFontSize+'>>'].concat(gridDetails.axisLabels[0].text),rect:xLabelRect,align:[0,0]});
+			
+			var yDist = gridDetails.axisLabels[1].dist || 50;
+			var measureTextY = text({ctx:ctx2,text:['<<fontSize:'+labelFontSize+'>>'].concat(gridDetails.axisLabels[1].text),rect:[0,0,gridDetails.height,100],measureOnly:true}).tightRect;
+			var yLabelRect = [gridDetails.left-yDist-measureTextY[3],gridDetails.top,measureTextY[3],measureTextY[2]];
+			context.save();
+			context.translate(yLabelRect[0],yLabelRect[1]+measureTextY[2]);
+			context.rotate(-Math.PI/2);
+				text({ctx:context,text:['<<fontSize:'+labelFontSize+'>>'].concat(gridDetails.axisLabels[1].text),rect:[0,0,measureTextY[2],measureTextY[3]],align:[0,0]});
+			context.restore();
+			
+			
+		} else {
+			yAxisLabel2 = yAxisLabel.slice(0);
+			yAxisLabel2.unshift('<<font:algebra>><<fontSize:'+labelFontSize+'>><<align:center>><<color:'+yAxisColor+'>>');
+			/*var yLabel = text({
+				context:context,
+				left:x0DisplayPos+5-300,
+				top:top-labelFontSize-15,
+				width:600,
+				textArray:yAxisLabel
+			});*/
+			var yLabel = drawMathsText(context, yAxisLabel2, labelFontSize, x0DisplayPos+5, top-labelFontSize+5, true, [], 'center', 'middle', yAxisColor);
+			if (arraysEqual(yAxisLabel,['y'])) {
+				yLabel.tightRect[3] = (3/4) * yLabel.tightRect[3];
+				yLabel.tightRect[1] += (1/3) * yLabel.tightRect[3];
+			}
+			/*context.save();
+			context.lineWidth = 1;
+			context.strokeStyle = '#393';
+			context.strokeRect(yLabel.tightRect[0],yLabel.tightRect[1],yLabel.tightRect[2],yLabel.tightRect[3]);
+			context.restore();*/
+			labelPos[0] = Math.min(labelPos[0],yLabel.tightRect[0]);
+			labelPos[1] = Math.min(labelPos[1],yLabel.tightRect[1]);
+			labelPos[2] = Math.max(labelPos[2],yLabel.tightRect[0]+yLabel.tightRect[2]);
+			labelPos[3] = Math.max(labelPos[3],yLabel.tightRect[1]+yLabel.tightRect[3]);
+			xAxisLabel2 = xAxisLabel.slice();
+			xAxisLabel2.unshift('<<font:algebra>><<fontSize:'+labelFontSize+'>><<align:left>><<color:'+xAxisColor+'>>');
+			/*xLabel = text({
+				context:context,
+				left:left+width+10,
+				top:y0DisplayPos-labelFontSize,
+				width:300,
+				textArray:xAxisLabel
+			});*/
+			var xLabel = drawMathsText(context, xAxisLabel2, labelFontSize, left+width+10, y0DisplayPos-labelFontSize, true, [], 'left', 'top', xAxisColor);
+			if (arraysEqual(xAxisLabel,['x'])) {
+				xLabel.tightRect[3] = (3/4) * xLabel.tightRect[3];
+				xLabel.tightRect[1] += (1/3) * xLabel.tightRect[3];
+			}		
+			/*context.save();
+			context.lineWidth = 1;
+			context.strokeStyle = '#393';
+			context.strokeRect(xLabel.tightRect[0],xLabel.tightRect[1],xLabel.tightRect[2],xLabel.tightRect[3]);
+			context.restore();*/
+			labelPos[0] = Math.min(labelPos[0],xLabel.tightRect[0]);
+			labelPos[1] = Math.min(labelPos[1],xLabel.tightRect[1]);
+			labelPos[2] = Math.max(labelPos[2],xLabel.tightRect[0]+yLabel.tightRect[2]);
+			labelPos[3] = Math.max(labelPos[3],xLabel.tightRect[1]+yLabel.tightRect[3]);
+		}
+	}
+	
+	if (showBorder == true) {	
+		// draw a black rectangular border
+		context.strokeStyle = borderColor;
+		context.lineWidth = 4*sf;
+		context.strokeRect(left, top, width, height);
+	}
+	
+	if (showScales == true) {
+		if (originStyle == 'circle' && x0 >= left && x0 <= left + width && y0 >= top && y0 <= top + height) {
+			context.textAlign = 'center';
+			context.textBaseline = "middle";
+			context.strokeStyle = originColor;
+			context.lineWidth = 2*sf;
+			context.beginPath();
+			context.arc(x0,y0,10*(gridFontSize/(24*sf))*sf,0,2*Math.PI);
+			context.closePath();
+			context.stroke();
+			labelPos[0] = Math.min(labelPos[0],x0-10);
+			labelPos[1] = Math.min(labelPos[1],y0-10);
+			labelPos[2] = Math.max(labelPos[2],x0+10);
+			labelPos[3] = Math.max(labelPos[3],y0+10);	
+		}
+		
+		if (showXScale == true) {
+			// draw axes numbers
+			context.font = gridFontSize+'px Arial';
+			context.textAlign = "center";
+			context.textBaseline = "top";
+
+			if (mode == "rad") {
+				// draw positive x axis numbers as multiple of pi
+				var xAxisPoint = x0 + xMajorSpacing;
+				var major = 1;
+				while (roundToNearest(xAxisPoint,0.001) <= roundToNearest(left+width,0.001)) {
+					if (xAxisPoint >= left) {
+						if (typeof gridDetails.xMajorStep == 'number') {
+							var frac = {num:gridDetails.xMajorStep*major,denom:1};
+						} else {
+							var frac = {num:gridDetails.xMajorStep[0]*major,denom:gridDetails.xMajorStep[1]};
+						}
+						var axisValue = multOfPiText(frac);
+						var params = {ctx:context,textArray:axisValue,font:"algebra",fontSize:gridFontSize,left:xAxisPoint-50,width:100,top:y0DisplayPos+xScaleOffset-4,height:50,minTightWidth:1,minTightHeight:1,align:'center',vertAlign:'top',color:xScaleColor,box:{type:'tight',borderColor:backColor,borderWidth:0.01,color:backColor,padding:1}};
+						var labelText = text(params);
+						/*context.save();
+						context.lineWidth = 1;
+						context.strokeStyle = '#F00';
+						context.strokeRect(labelText.tightRect[0],labelText.tightRect[1],labelText.tightRect[2],labelText.tightRect[3]);
+						context.restore();*/
+						labelPos[0] = Math.min(labelPos[0],labelText.tightRect[0]);
+						labelPos[1] = Math.min(labelPos[1],labelText.tightRect[1]);
+						labelPos[2] = Math.max(labelPos[2],labelText.tightRect[0]+labelText.tightRect[2]);
+						labelPos[3] = Math.max(labelPos[3],labelText.tightRect[1]+labelText.tightRect[3]);	
+					}
+					major += 1;
+					xAxisPoint += xMajorSpacing;				
+				}			
+				// draw negative x axis numbers as multiple of pi
+				xAxisPoint = x0 - xMajorSpacing;
+				major = -1;
+				while (roundToNearest(xAxisPoint,0.001) >= roundToNearest(left,0.001)) {
+					if (xAxisPoint < left + width) {
+						if (typeof gridDetails.xMajorStep == 'number') {
+							var frac = {num:gridDetails.xMajorStep*major,denom:1};
+						} else {
+							var frac = {num:gridDetails.xMajorStep[0]*major,denom:gridDetails.xMajorStep[1]};
+						}					
+						var axisValue = multOfPiText(frac);
+						var params = {ctx:context,textArray:axisValue,font:"algebra",fontSize:gridFontSize,left:xAxisPoint-50,width:100,top:y0DisplayPos+xScaleOffset-4,height:50,minTightWidth:1,minTightHeight:1,align:'center',vertAlign:'top',color:xScaleColor,box:{type:'tight',borderColor:backColor,borderWidth:0.01,color:backColor,padding:1}};
+						var labelText = text(params);
+						/*context.save();
+						context.lineWidth = 1;
+						context.strokeStyle = '#F00';
+						context.strokeRect(labelText.tightRect[0],labelText.tightRect[1],labelText.tightRect[2],labelText.tightRect[3]);
+						context.restore();*/
+						labelPos[0] = Math.min(labelPos[0],labelText.tightRect[0]);
+						labelPos[1] = Math.min(labelPos[1],labelText.tightRect[1]);
+						labelPos[2] = Math.max(labelPos[2],labelText.tightRect[0]+labelText.tightRect[2]);
+						labelPos[3] = Math.max(labelPos[3],labelText.tightRect[1]+labelText.tightRect[3]);	
+					}
+					major -= 1;
+					xAxisPoint -= xMajorSpacing;				
+				}
+			} else if (hoursMode == true) {
+				// positive x numbers
+				var xAxisPoint = x0 + xMajorSpacing;
+				var major = 1;
+				//var placeValue = Math.pow(10,Math.floor(Math.log(xMajorStep)/Math.log(10)));
+				while (roundToNearest(xAxisPoint,0.001) <= roundToNearest(left+width,0.001)) {
+					if (xAxisPoint >= left) {
+						var value = convertToHoursMins(major*xMajorStep);
+						var axisValue = [String(value)];
+						var textWidth = context.measureText(String(axisValue)).width;
+						context.fillStyle = backColor;
+						context.fillRect(xAxisPoint - textWidth / 2, y0DisplayPos + xScaleOffset-1, textWidth, gridFontSize * 1.1);
+						var labelText = drawMathsText(context, axisValue, gridFontSize, xAxisPoint, y0DisplayPos + xScaleOffset + 0.5 * gridFontSize, true, [], 'center', 'middle', xScaleColor);
+						/*context.save();
+						context.lineWidth = 1;
+						context.strokeStyle = '#393';
+						context.strokeRect(labelText.tightRect[0],labelText.tightRect[1],labelText.tightRect[2],labelText.tightRect[3]);
+						context.restore();*/	
+						labelPos[0] = Math.min(labelPos[0],labelText.tightRect[0]);
+						labelPos[1] = Math.min(labelPos[1],labelText.tightRect[1]);
+						labelPos[2] = Math.max(labelPos[2],labelText.tightRect[0]+labelText.tightRect[2]);
+						labelPos[3] = Math.max(labelPos[3],labelText.tightRect[1]+labelText.tightRect[3]);	
+					}
+					major += 1;
+					xAxisPoint += xMajorSpacing;
+				}			
+			} else {
+				var xScaleSpacing = (width * xScaleStep) / (xMax - xMin);
+				
+				// positive x numbers
+				var xAxisPoint = x0 + xScaleSpacing;
+				var major = 1;
+				var placeValue = Math.pow(10,Math.floor(Math.log(xScaleStep)/Math.log(10)));
+				while (roundToNearest(xAxisPoint,0.001) <= roundToNearest(left+width,0.001)) {
+					if (xAxisPoint >= left) {
+						var value = roundToNearest(major*xScaleStep,placeValue);
+						var axisValue = [String(value)];
+						var textWidth = context.measureText(String(axisValue)).width;
+						context.fillStyle = backColor;
+						context.fillRect(xAxisPoint - textWidth / 2, y0DisplayPos + xScaleOffset-1, textWidth, gridFontSize * 1.1);
+						var labelText = drawMathsText(context, axisValue, gridFontSize, xAxisPoint, y0DisplayPos + xScaleOffset + 0.5 * gridFontSize, true, [], 'center', 'middle', xScaleColor);
+						/*context.save();
+						context.lineWidth = 1;
+						context.strokeStyle = '#393';
+						context.strokeRect(labelText.tightRect[0],labelText.tightRect[1],labelText.tightRect[2],labelText.tightRect[3]);
+						context.restore();*/	
+						labelPos[0] = Math.min(labelPos[0],labelText.tightRect[0]);
+						labelPos[1] = Math.min(labelPos[1],labelText.tightRect[1]);
+						labelPos[2] = Math.max(labelPos[2],labelText.tightRect[0]+labelText.tightRect[2]);
+						labelPos[3] = Math.max(labelPos[3],labelText.tightRect[1]+labelText.tightRect[3]);	
+					}
+					major += 1;
+					xAxisPoint += xScaleSpacing;
+				}
+
+				// negative x numbers
+				var xAxisPoint = x0 - xScaleSpacing;
+				var major = -1;
+				while (roundToNearest(xAxisPoint,0.001) >= roundToNearest(left,0.001)) {
+					if (xAxisPoint < left + width) {
+						var value = roundToNearest(major*xScaleStep,placeValue);
+						var axisValue = [String(value)];
+						var textWidth = context.measureText(String(axisValue)).width;
+						context.fillStyle = backColor;
+						context.fillRect(xAxisPoint - textWidth / 2, y0DisplayPos + xScaleOffset-1, textWidth, gridFontSize * 1.1);
+						var labelText = drawMathsText(context, axisValue, gridFontSize, xAxisPoint, y0DisplayPos + xScaleOffset + 0.5 * gridFontSize, true, [], 'center', 'middle', xScaleColor);
+						/*context.save();
+						context.lineWidth = 1;
+						context.strokeStyle = '#393';
+						context.strokeRect(labelText.tightRect[0],labelText.tightRect[1],labelText.tightRect[2],labelText.tightRect[3]);
+						context.restore();*/
+						labelPos[0] = Math.min(labelPos[0],labelText.tightRect[0]);
+						labelPos[1] = Math.min(labelPos[1],labelText.tightRect[1]);
+						labelPos[2] = Math.max(labelPos[2],labelText.tightRect[0]+labelText.tightRect[2]);
+						labelPos[3] = Math.max(labelPos[3],labelText.tightRect[1]+labelText.tightRect[3]);	
+					}
+					major -= 1;
+					xAxisPoint -= xScaleSpacing;
+				}
+			}
+		}
+		
+		if (showYScale == true) {
+			context.textBaseline = "middle";
+			context.textAlign = "right";
+			if (!un(gridDetails.yScaleColor)) {
+				context.fillStyle = gridDetails.yScaleColor;
+			} else {
+				context.fillStyle = yAxisColor;
+			}
+			context.font = gridFontSize+"px Arial";
+			
+			var yScaleSpacing = (height * yScaleStep) / (yMax - yMin);
+			
+			// positive y numbers
+			var yAxisPoint = y0 - yScaleSpacing;
+			var major = 1;
+			var placeValue = Math.pow(10,Math.floor(Math.log(yScaleStep)/Math.log(10)));	
+			while (roundToNearest(yAxisPoint,0.001) >= roundToNearest(top,0.001)) {
+				if (yAxisPoint <= top + height) {	
+					var axisValue = Number(roundSF(major*yScaleStep, 5));
+					var textWidth = context.measureText(String(axisValue)).width	
+					context.fillStyle = backColor;
+					context.fillRect(x0DisplayPos - textWidth - 11*sf - yScaleOffset, yAxisPoint - gridFontSize * 0.5, textWidth + 3*sf, gridFontSize);
+					var labelText = drawMathsText(context, String(axisValue), gridFontSize, x0DisplayPos - 10*sf - yScaleOffset, yAxisPoint - 2, true, [], 'right', 'middle', yScaleColor);
+					/*context.save();
+					context.lineWidth = 1;
+					context.strokeStyle = '#393';
+					context.strokeRect(labelText.tightRect[0],labelText.tightRect[1],labelText.tightRect[2],labelText.tightRect[3]);
+					context.restore();*/	
+					labelPos[0] = Math.min(labelPos[0],labelText.tightRect[0]);
+					labelPos[1] = Math.min(labelPos[1],labelText.tightRect[1]);
+					labelPos[2] = Math.max(labelPos[2],labelText.tightRect[0]+labelText.tightRect[2]);
+					labelPos[3] = Math.max(labelPos[3],labelText.tightRect[1]+labelText.tightRect[3]);		
+				}
+				major += 1;
+				yAxisPoint -= yScaleSpacing;
+			}
+
+			// negative y numbers
+			var yAxisPoint = y0 + yScaleSpacing;
+			var major = -1;
+			while (roundToNearest(yAxisPoint,0.001) <= roundToNearest(top+height,0.001)) {
+				if (yAxisPoint >= top) {
+					var axisValue = Number(roundSF(major*yScaleStep, 5));
+					var textWidth = context.measureText(String(axisValue)).width	
+					context.fillStyle = backColor;
+					context.fillRect(x0DisplayPos - textWidth - 11*sf - yScaleOffset, yAxisPoint - gridFontSize * 0.5, textWidth + 3*sf, gridFontSize);
+					var labelText = drawMathsText(context, String(axisValue), gridFontSize, x0DisplayPos - 10*sf - yScaleOffset, yAxisPoint - 2, true, [], 'right', 'middle', yScaleColor);
+					/*context.save();
+					context.lineWidth = 1;
+					context.strokeStyle = '#393';
+					context.strokeRect(labelText.tightRect[0],labelText.tightRect[1],labelText.tightRect[2],labelText.tightRect[3]);
+					context.restore();*/
+					labelPos[0] = Math.min(labelPos[0],labelText.tightRect[0]);
+					labelPos[1] = Math.min(labelPos[1],labelText.tightRect[1]);
+					labelPos[2] = Math.max(labelPos[2],labelText.tightRect[0]+labelText.tightRect[2]);
+					labelPos[3] = Math.max(labelPos[3],labelText.tightRect[1]+labelText.tightRect[3]);	
+				}
+				major -= 1;
+				yAxisPoint += yScaleSpacing;
+				
+			}
+		}
+	}
+
+	if (originStyle == 'numbers') {
+		if (showXScale == true && x0 >= left && x0 <= left+width) {
+			var params = {ctx:context,textArray:["0"],font:"algebra",fontSize:gridFontSize,left:x0-50,width:100,top:y0DisplayPos+xScaleOffset-4,height:50,minTightWidth:1,minTightHeight:1,align:'center',vertAlign:'top',color:xScaleColor,box:{type:'tight',borderColor:backColor,borderWidth:0.01,color:backColor,padding:1}};
+			var labelText = text(params);
+			labelPos[0] = Math.min(labelPos[0],labelText.tightRect[0]);
+			labelPos[1] = Math.min(labelPos[1],labelText.tightRect[1]);
+			labelPos[2] = Math.max(labelPos[2],labelText.tightRect[0]+labelText.tightRect[2]);
+			labelPos[3] = Math.max(labelPos[3],labelText.tightRect[1]+labelText.tightRect[3]);	
+		}
+		if (showYScale == true && y0 >= top && y0 <= top+height) {
+			context.textBaseline = "middle";
+			context.textAlign = "right";
+			context.fillStyle = yAxisColor;
+			context.font = gridFontSize+"px Arial";
+			var textWidth = context.measureText("0").width;
+			context.fillStyle = backColor;
+			context.fillRect(x0DisplayPos - textWidth - 11*sf - yScaleOffset, y0 - gridFontSize * 0.5, textWidth + 3*sf, gridFontSize);
+			var labelText = drawMathsText(context, "0", gridFontSize, x0DisplayPos - 10*sf - yScaleOffset, y0 - 2, true, [], 'right', 'middle', yScaleColor);
+			labelPos[0] = Math.min(labelPos[0],labelText.tightRect[0]);
+			labelPos[1] = Math.min(labelPos[1],labelText.tightRect[1]);
+			labelPos[2] = Math.max(labelPos[2],labelText.tightRect[0]+labelText.tightRect[2]);
+			labelPos[3] = Math.max(labelPos[3],labelText.tightRect[1]+labelText.tightRect[3]);	
+		}
+	}	
+	
+	if (!un(gridDetails.plot)) {
+		for (var c = 0; c < gridDetails.plot.length; c++) {
+			var plot = gridDetails.plot[c];
+			if (plot.type == 'histogram') {
+				drawHistogram(context,gridDetails,plot);
+				/* eg.
+					sel().originStyle = 'numbers';
+					sel().xMin = 0;
+					sel().xMax = 35;
+					sel().yMin = 0;
+					sel().yMax = 2;
+					sel().yMajorStep = 0.5;
+					sel().yMinorStep = 0.1;
+					sel().plot = [{type:'histogram',fillStyle:'#CFF',chartData:[{min:0,max:10,freq:5},{min:10,max:15,freq:8},{min:15,max:20,freq:7,fillStyle:'#FCF'},{min:20,max:35,freq:8}]}];
+					sel().axisLabels = [{text:['<<fontSize:28>>Time (s)']},{text:['<<fontSize:28>>Frequency'+br+'Density']}];
+				*/
+			} else if (plot.type == 'cFreq') {
+				context.lineWidth = plot.lineWidth || 3;
+				context.strokeStyle = plot.strokeStyle || '#000';
+				drawSmoothCurve(context,gridDetails,plot.chartData,0.5,16,true);
+				drawScatter(context,gridDetails,plot);
+				/* eg.
+					sel().originStyle = 'numbers';
+					sel().xMin = 0;
+					sel().xMax = 140;
+					sel().yMin = 0;
+					sel().yMax = 70;
+					sel().xMajorStep = 20;
+					sel().xMinorStep = 10;
+					sel().yMajorStep = 10;
+					sel().yMinorStep = 5;
+					sel().plot = [{type:'cFreq',pointStyle:'circle',chartData:[[0,0],[25,20],[50,43],[75,48],[100,56],[125,62]]}];
+					sel().axisLabels = [{text:['<<fontSize:28>>Time (s)']},{text:['<<fontSize:28>>Cumulative Frequency']}];
+				*/
+			} else if (plot.type == 'scatter') {
+				drawScatter(context,gridDetails,plot);
+				/* eg.
+					sel().originStyle = 'numbers';
+					sel().xMin = 0;
+					sel().xMax = 140;
+					sel().yMin = 0;
+					sel().yMax = 70;
+					sel().xMajorStep = 20;
+					sel().xMinorStep = 10;
+					sel().yMajorStep = 10;
+					sel().yMinorStep = 5;
+					sel().plot = [{type:'scatter',pointStyle:'circle',chartData:[[25,20],[50,43],[75,48],[100,56],[125,62]]}];
+					sel().axisLabels = [{text:['<<fontSize:28>>Weight (kg)']},{text:['<<fontSize:28>>Height (cm)']}];
+					
+				*/
+			} else if (plot.type == 'freqPolygon') {
+				var coords = convertCoordsGridToCanvas(0,0,gridDetails,plot.chartData);
+				context.lineWidth = plot.lineWidth || 3;
+				context.strokeStyle = plot.strokeStyle || '#000';
+				context.beginPath();
+				context.moveTo(coords[0][0],coords[0][1]);
+				for (var c2 = 1; c2 < coords.length; c2++) context.lineTo(coords[c2][0],coords[c2][1]);
+				context.stroke();
+				drawScatter(context,gridDetails,plot);
+				/* eg.
+					sel().originStyle = 'numbers';
+					sel().xMin = 0;
+					sel().xMax = 140;
+					sel().yMin = 0;
+					sel().yMax = 70;
+					sel().xMajorStep = 20;
+					sel().xMinorStep = 10;
+					sel().yMajorStep = 10;
+					sel().yMinorStep = 5;
+					sel().plot = [{type:'freqPolygon',pointStyle:'circle',chartData:[[25,20],[50,43],[75,48],[100,56],[125,62]]}];
+					sel().axisLabels = [{text:['<<fontSize:28>>Time (days)']},{text:['<<fontSize:28>>Height (cm)']}];						
+				*/			
+			} else if (plot.type == 'smoothCurve') {
+				context.lineWidth = plot.lineWidth || 3;
+				context.strokeStyle = plot.strokeStyle || '#000';
+				drawSmoothCurve(context,gridDetails,plot.chartData,0.5,16,false);
+				drawScatter(context,gridDetails,plot);
+				/* eg.
+					sel().originStyle = 'numbers';
+					sel().xMin = 0;
+					sel().xMax = 140;
+					sel().yMin = 0;
+					sel().yMax = 70;
+					sel().xMajorStep = 20;
+					sel().xMinorStep = 10;
+					sel().yMajorStep = 10;
+					sel().yMinorStep = 5;
+					sel().plot = [{type:'freqPolygon',pointStyle:'circle',chartData:[[25,20],[50,43],[75,48],[100,56],[125,62]]}];
+					sel().axisLabels = [{text:['<<fontSize:28>>Time (days)']},{text:['<<fontSize:28>>Height (cm)']}];						
+				*/			
+			}
+		}
+	}	
+	
+	if (showAxes == true) {
+		// draw axes
+		context.beginPath();
+		context.strokeStyle = xAxisColor;
+		context.lineWidth = 3*sf;	
+		// if neccesary, draw x-Axis
+		if (y0 >= top && y0 <= top + height) {
+			context.moveTo(left, y0);
+			context.lineTo(left + width-10*sf, y0);	
+		}
+		context.closePath();
+		context.stroke();
+		context.beginPath();
+		context.strokeStyle = yAxisColor;
+		context.lineWidth = 3*sf;
+		// if neccesary, draw y-Axis
+		if (x0 >= left && x0 <= left + width) {
+			context.moveTo(x0, top+10*sf);
+			context.lineTo(x0, top + height);	
+		}
+		context.closePath();
+		context.stroke();
+		
+		// draw an arrow at the top of the y-axis
+		context.fillStyle = yAxisColor;
+		context.strokeStyle = yAxisColor;
+		context.beginPath();
+		context.moveTo(x0DisplayPos, top + 2*sf);
+		context.lineTo(x0DisplayPos - 5*sf, top + 12*sf);
+		context.lineTo(x0DisplayPos + 5*sf, top + 12*sf);
+		context.lineTo(x0DisplayPos, top + 2*sf);
+		context.closePath();
+		context.stroke();
+		context.fill();
+
+		// draw an arrow at the right of the x-axis
+		context.fillStyle = xAxisColor;
+		context.strokeStyle = xAxisColor;	
+		context.beginPath();
+		context.moveTo(left + width - 2*sf, y0DisplayPos);
+		context.lineTo(left + width - 12*sf, y0DisplayPos - 5*sf);
+		context.lineTo(left + width - 12*sf, y0DisplayPos + 5*sf);
+		context.lineTo(left + width - 2*sf, y0DisplayPos);
+		context.closePath();
+		context.stroke();
+		context.fill();
+	}
+	
+	labelPos[0] = Math.min(labelPos[0],x0DisplayPos-5);
+	labelPos[1] = Math.min(labelPos[1],y0DisplayPos-5);
+	labelPos[2] = Math.max(labelPos[2],x0DisplayPos+5);
+	labelPos[3] = Math.max(labelPos[3],y0DisplayPos+5);
+	if (!un(yLabelRect) && !un(xLabelRect)) {
+		labelPos[0] = Math.min(labelPos[0],yLabelRect[0]);
+		labelPos[3] = Math.max(labelPos[3],xLabelRect[1]+xLabelRect[3]);
+	}
+
+	var labelBorder = [labelPos[0],labelPos[1],labelPos[2]-labelPos[0],labelPos[3]-labelPos[1],labelPos[2],labelPos[3]];
+	/*
+	context.save();
+	context.lineWidth = 3;
+	context.strokeStyle = '#F00';
+	context.strokeRect(labelBorder[0],labelBorder[1],labelBorder[2],labelBorder[3]);
+	context.restore();
+	//*/
+		
+	return {labelBorder:labelBorder};
+}
+
+function drawHistogram(ctx,gridDetails,chart) {
+	var xStep = gridDetails.width / (gridDetails.xMax - gridDetails.xMin);
+	var yStep = gridDetails.height / gridDetails.yMax;
+
+	var lineWidth = chart.lineWidth || 3;
+	var strokeStyle = chart.strokeStyle || '#000';
+	var fillStyle = chart.fillStyle || '#FCF';
+	var data = chart.chartData;
+	
+	for (var d = 0; d < data.length; d++) {
+		var fd = data[d].freq / (data[d].max - data[d].min);
+		var l = gridDetails.left + xStep * (data[d].min - gridDetails.xMin);
+		var t = gridDetails.top + gridDetails.height - yStep * fd;
+		var w = xStep * (data[d].max - data[d].min);
+		var h = yStep * fd;
+		ctx.fillStyle = data[d].fillStyle || fillStyle;
+		ctx.strokeStyle = data[d].strokeStyle || strokeStyle;
+		ctx.lineWidth = data[d].lineWidth || lineWidth;
+		ctx.fillRect(l,t,w,h);
+		ctx.strokeRect(l,t,w,h);
+	}
+	//text({ctx:ctx,textArray:['<<fontSize:24>><<italic:true>>'+xAxisLabel],rect:[gridDetails.left+gridDetails.width-200,gridDetails.top+gridDetails.height+40,200,500],align:[0,-1]});
+}
+function drawScatter(ctx,gridDetails,chart) {
+	var lineWidth = chart.lineWidth || 3;
+	var strokeStyle = chart.strokeStyle || chart.color || '#000';
+	var fillStyle = chart.fillStyle || strokeStyle;
+	var pointStyle = chart.pointStyle || 'cross'; // cross, circle or none	
+	var pointSize = chart.pointSize || 8;
+	var meta = chart.meta || [];
+	var coords = convertCoordsGridToCanvas(0,0,gridDetails,chart.chartData);
+	
+	for (var d = 0; d < chart.chartData.length; d++) {
+		var meta2 = meta[d] || {};
+		var point = meta2.pointStyle || pointStyle;
+		var size = meta2.pointSize || pointSize;
+		ctx.fillStyle = meta2.fillStyle || fillStyle;
+		ctx.strokeStyle = meta2.strokeStyle || strokeStyle;
+		ctx.lineWidth = meta2.lineWidth || lineWidth;
+		var x = coords[d][0];
+		var y = coords[d][1];
+		switch (point) {
+			case 'cross':
+				ctx.beginPath();
+				ctx.moveTo(x-size,y-size);
+				ctx.lineTo(x+size,y+size);
+				ctx.moveTo(x-size,y+size);
+				ctx.lineTo(x+size,y-size);
+				ctx.stroke();				
+				break;
+			case 'circle':
+				ctx.beginPath();
+				ctx.moveTo(x,y);
+				ctx.arc(x,y,size,0,2*Math.PI);
+				ctx.fill();
+				break;
+			
+		}
+	}
+}
+
+function convertToHoursMins(num) {
+	var hours = Math.floor(num);
+	var mins = String(roundToNearest((num-hours)*60,2));
+	if (mins.length == 1) mins = "0"+mins;
+	return String(hours)+":"+mins;
+}
+
+function gridLabelPos(ctx,gridDetails,obj) {
+	//eg. gridLabelPos(j523ctx1,gridDetails,{x:4,y:6,lineWidth:2,lineColor:'#00F',lineDash:[4,4],labelX:true,labelXColor:'#00F',labelY:true,,labelYColor:'#00F'});
+	ctx.save();
+	ctx.lineWidth = obj.lineWidth || 2;
+	ctx.strokeStyle = obj.lineColor || '#00F';
+	var dash = obj.lineDash || [];
+	if (typeof ctx.setLineDash !== 'function') ctx.setLineDash = function(){};
+	ctx.setLineDash(dash);
+	var x0 = getPosOfCoordX2(0,gridDetails.left,gridDetails.width,gridDetails.xMin,gridDetails.xMax);
+	if (x0 < gridDetails.left) x0 = gridDetails.left;
+	if (x0 > gridDetails.left + gridDetails.width) x0 = gridDetails.left + gridDetails.width;
+	var y0 = getPosOfCoordY2(0,gridDetails.top,gridDetails.height,gridDetails.yMin,gridDetails.yMax);
+	if (y0 < gridDetails.top) y0 = gridDetails.top;
+	if (y0 > gridDetails.top + gridDetails.height) y0 = gridDetails.top + gridDetails.height;	
+
+	var x1 = getPosOfCoordX2(obj.x,gridDetails.left,gridDetails.width,gridDetails.xMin,gridDetails.xMax);
+	var y1 = getPosOfCoordY2(obj.y,gridDetails.top,gridDetails.height,gridDetails.yMin,gridDetails.yMax);
+	
+	if (boolean(obj.line,true) == true) {
+		ctx.beginPath();
+		ctx.moveTo(x1,y0);
+		ctx.lineTo(x1,y1);
+		ctx.lineTo(x0,y1);
+		ctx.stroke();
+	}
+	ctx.setLineDash([]);
+
+	var sf = gridDetails.sf || 1;
+	var gridFontSize = obj.fontSize || gridDetails.fontSize || 24*sf;
+	var backColor = gridDetails.backColor || mainCanvasFillStyle || '#FFC';
+	var invertedBackColor = getShades('#000',true);
+	var originColor = gridDetails.axesColor || invertedBackColor[4] || '#666';
+	var xAxisColor = gridDetails.axesColor || invertedBackColor[0] || '#000';
+	var yAxisColor = gridDetails.axesColor || invertedBackColor[0] || '#000';
+	
+	if (obj.labelX === true) {
+		var xColor = obj.labelXColor || '#00F';
+		text({ctx:ctx,textArray:['<<color:'+xColor+'>>'+String(obj.x)],font:"algebra",fontSize:gridFontSize,left:x1-50,width:100,top:y0,height:50,minTightWidth:1,minTightHeight:1,align:'center',vertAlign:'top',box:{type:'tight',borderColor:backColor,borderWidth:0.01,color:backColor,padding:1}});
+	} else if (typeof obj.labelX == 'object') {
+		var xColor = obj.labelXColor || '#00F';
+		obj.labelX.unshift('<<color:'+xColor+'>>');
+		text({ctx:ctx,textArray:obj.labelX,font:"algebra",fontSize:gridFontSize,left:x1-50,width:100,top:y0,height:50,minTightWidth:1,minTightHeight:1,align:'center',vertAlign:'top',box:{type:'tight',borderColor:backColor,borderWidth:0.01,color:backColor,padding:1}});
+	}
+
+	if (obj.labelY === true) {
+		var yColor = obj.labelYColor || '#00F';
+		text({ctx:ctx,textArray:['<<color:'+xColor+'>>'+String(obj.y)],font:"algebra",fontSize:gridFontSize,left:x0-100-10*sf,width:100,top:y1-25,height:50,minTightWidth:1,minTightHeight:1,align:'right',vertAlign:'middle',box:{type:'tight',borderColor:backColor,borderWidth:0.01,color:backColor,padding:1}});
+	} else if (typeof obj.labelY == 'object') {
+		var yColor = obj.labelYColor || '#00F';
+		obj.labelY.unshift('<<color:'+yColor+'>>');
+		text({ctx:ctx,textArray:obj.labelY,font:"algebra",fontSize:gridFontSize,left:x1-50,width:100,top:y0,height:50,minTightWidth:1,minTightHeight:1,align:'center',vertAlign:'top',box:{type:'tight',borderColor:backColor,borderWidth:0.01,color:backColor,padding:1}});
+	}
+
+	if (boolean(gridDetails.showScales,true) == true && boolean(gridDetails.showOrigin,true) == true) { // redraw origin
+		if (x0 >= gridDetails.left && x0 <= gridDetails.left + gridDetails.width && y0 >= gridDetails.top && y0 <= gridDetails.top + gridDetails.height) {
+			ctx.strokeStyle = originColor;
+			ctx.lineWidth = 2*sf;
+			ctx.beginPath();
+			ctx.arc(x0,y0,10*sf,0,2*Math.PI);
+			ctx.stroke();	
+		}
+	}		
+	
+	// redraw axes
+	ctx.beginPath();
+	ctx.strokeStyle = xAxisColor;
+	ctx.lineWidth = 3*sf;	
+	// if neccesary, draw x-Axis
+	if (y0 >= gridDetails.top && y0 <= gridDetails.top + gridDetails.height) {
+		ctx.moveTo(gridDetails.left, y0);
+		ctx.lineTo(gridDetails.left + gridDetails.width-10*sf, y0);	
+	}
+	ctx.closePath();
+	ctx.stroke();
+	ctx.beginPath();
+	ctx.strokeStyle = yAxisColor;
+	ctx.lineWidth = 3*sf;
+	// if neccesary, draw y-Axis
+	if (x0 >= gridDetails.left && x0 <= gridDetails.left + gridDetails.width) {
+		ctx.moveTo(x0, gridDetails.top+10*sf);
+		ctx.lineTo(x0, gridDetails.top + gridDetails.height);	
+	}
+	ctx.closePath();
+	ctx.stroke();
+	
+	// draw an arrow at the gridDetails.top of the y-axis
+	ctx.fillStyle = yAxisColor;
+	ctx.strokeStyle = yAxisColor;
+	ctx.beginPath();
+	ctx.moveTo(x0, gridDetails.top + 2*sf);
+	ctx.lineTo(x0 - 5*sf, gridDetails.top + 12*sf);
+	ctx.lineTo(x0 + 5*sf, gridDetails.top + 12*sf);
+	ctx.lineTo(x0, gridDetails.top + 2*sf);
+	ctx.closePath();
+	ctx.stroke();
+	ctx.fill();
+
+	// draw an arrow at the right of the x-axis
+	ctx.fillStyle = xAxisColor;
+	ctx.strokeStyle = xAxisColor;	
+	ctx.beginPath();
+	ctx.moveTo(gridDetails.left + gridDetails.width - 2*sf, y0);
+	ctx.lineTo(gridDetails.left + gridDetails.width - 12*sf, y0 - 5*sf);
+	ctx.lineTo(gridDetails.left + gridDetails.width - 12*sf, y0 + 5*sf);
+	ctx.lineTo(gridDetails.left + gridDetails.width - 2*sf, y0);
+	ctx.closePath();
+	ctx.stroke();
+	ctx.fill();
+	
+	ctx.restore();
+}
+
+function drawGridRadians(context,contextLeft,contextTop,gridDetails,opt_fontSize,opt_minorColor,opt_majorColor,opt_xAxisColor,opt_yAxisColor){
+
+	var left = gridDetails.left - contextLeft; // use dimensions relative to background canvas (1200x700)
+	var top = gridDetails.top - contextTop;   // rather than the context supplied
+	var width = gridDetails.width;
+	var height = gridDetails.height;
+	var xMin = gridDetails.xMin; // as multiple of pi
+	var xMax = gridDetails.xMax; // as multiple of pi
+	var yMin = gridDetails.yMin;
+	var yMax = gridDetails.yMax;
+	var xMinorStep = gridDetails.xMinorStep; // as fractional multiple of pi {num:1,denom:2}
+	var xMajorStep = gridDetails.xMajorStep; // as fractional multiple of pi {num:1,denom:6}
+	var yMinorStep = gridDetails.yMinorStep;
+	var yMajorStep = gridDetails.yMajorStep;
+
+	// work out the spacing for minor and major steps
+	var xMinorSpacing = (width * (xMinorStep.num / xMinorStep.denom) * Math.PI) / (xMax - xMin);
+	var xMajorSpacing = (width * (xMajorStep.num / xMajorStep.denom) * Math.PI) / (xMax - xMin);	
+	var yMinorSpacing = (height * yMinorStep) / (yMax - yMin);
+	var yMajorSpacing = (height * yMajorStep) / (yMax - yMin);
+	
+	var fontSize = opt_fontSize || 24;
+	var minorColor = opt_minorColor || '#DDD'
+	var majorColor = opt_majorColor || '#AAA'
+	var xAxisColor = opt_xAxisColor || '#000';
+	var yAxisColor = opt_yAxisColor || '#000';
+	
+	// work out the coordinates of the origin
+	var x0 = left - (xMin * width) / (xMax - xMin);
+	var y0 = top + (yMax * height) / (yMax - yMin);
+	
+	// work out the actual display position of the origin (ie. at the edge if it is off the grid)
+	var x0DisplayPos;
+	var y0DisplayPos;
+	if (x0 >= left && x0 <= left + width) {
+		x0DisplayPos = x0;
+	} else {
+		if (x0 < left) {x0DisplayPos = left};
+		if (x0 > left + width) {x0DisplayPos = left + width};
+	}
+	if (y0 >= top && y0 <= top + height) {
+		y0DisplayPos = y0;
+	} else {
+		if (y0 < top) {y0DisplayPos = top};
+		if (y0 > top + height) {y0DisplayPos = top + height};
+	}
+		
+	// start to draw gridlines
+	context.clearRect(0, 0, 1200, 700);
+
+	// draw minor grid lines
+	context.strokeStyle = minorColor;
+	context.lineWidth = 1.2;
+	context.beginPath();
+	// draws positive xMinor lines
+	var xAxisPoint = x0 + xMinorSpacing;
+	while (xAxisPoint <= left + width) {
+		context.moveTo(xAxisPoint, top);
+		context.lineTo(xAxisPoint, top + height);
+		xAxisPoint += xMinorSpacing;
+	}
+	// draws negative xMinor lines
+	var xAxisPoint = x0 - xMinorSpacing;
+	while (xAxisPoint >= left) {
+		context.moveTo(xAxisPoint, top);
+		context.lineTo(xAxisPoint, top + height);
+		xAxisPoint -= xMinorSpacing;
+	}
+	// draws positive yMinor lines
+	var yAxisPoint = y0 - yMinorSpacing;
+	while (yAxisPoint >= top) {
+		context.moveTo(left, yAxisPoint);
+		context.lineTo(left + width, yAxisPoint);
+		yAxisPoint -= yMinorSpacing;
+	}
+	// draws negative yMinor lines
+	var yAxisPoint = y0 + yMinorSpacing;
+	while (yAxisPoint <= top + height) {
+		context.moveTo(left, yAxisPoint);
+		context.lineTo(left + width, yAxisPoint);
+		yAxisPoint += yMinorSpacing;
+	}
+	context.closePath();
+	context.stroke();		
+	
+	// draw major lines
+	context.strokeStyle = majorColor;
+	context.lineWidth = 2;
+	context.beginPath();
+	// draws positive xMajor lines
+	var xAxisPoint = x0 + xMajorSpacing;
+	while (xAxisPoint <= left + width) {
+		context.moveTo(xAxisPoint, top);
+		context.lineTo(xAxisPoint, top + height);
+		xAxisPoint += xMajorSpacing;
+	}
+	// draws negative xMajor lines
+	var xAxisPoint = x0 - xMajorSpacing;
+	while (xAxisPoint >= left) {
+		context.moveTo(xAxisPoint, top);
+		context.lineTo(xAxisPoint, top + height);
+		xAxisPoint -= xMajorSpacing;
+	}
+	// draws positive yMajor lines
+	var yAxisPoint = y0 - yMajorSpacing;
+	while (yAxisPoint >= top) {
+		context.moveTo(left, yAxisPoint);
+		context.lineTo(left + width, yAxisPoint);
+		yAxisPoint -= yMajorSpacing;
+	}
+	// draws negative yMajor lines
+	var yAxisPoint = y0 + yMajorSpacing;
+	while (yAxisPoint <= top + height) {
+		context.moveTo(left, yAxisPoint);
+		context.lineTo(left + width, yAxisPoint);
+		yAxisPoint += yMajorSpacing;
+	}
+	context.closePath();
+	context.stroke();		
+	
+	// draw axes
+	context.beginPath();
+	context.strokeStyle = xAxisColor;
+	context.lineWidth = 3;	
+	// if neccesary, draw x-Axis
+	if (y0 > top && y0 < top + height) {
+		context.moveTo(left, y0);
+		context.lineTo(left + width, y0);	
+	}
+	context.closePath();
+	context.stroke();
+	context.beginPath();
+	context.strokeStyle = yAxisColor;
+	context.lineWidth = 3;
+	// if neccesary, draw y-Axis
+	if (x0 > left && x0 < left + width) {
+		context.moveTo(x0, top);
+		context.lineTo(x0, top + height);	
+	}
+	context.closePath();
+	context.stroke();
+	
+	var labelFontSize = fontSize * 1.375;
+	
+	// draw an arrow and label at the top of the y-axis
+	context.fillStyle = yAxisColor;
+	context.strokeStyle = yAxisColor;
+	context.beginPath();
+	context.moveTo(x0DisplayPos, top + 2);
+	context.lineTo(x0DisplayPos - 5, top + 12);
+	context.lineTo(x0DisplayPos + 5, top + 12);
+	context.lineTo(x0DisplayPos, top + 2);
+	context.closePath();
+	context.stroke();
+	context.fill();
+	context.textAlign = 'center';
+	context.textBaseline = "bottom";
+
+	wrapText(context, 'y', x0DisplayPos + 5, top - 15, 50, 40, 'italic '+labelFontSize+'px Times New Roman', '#000');
+	
+	// draw an arrow and label at the right of the x-axis
+	context.fillStyle = xAxisColor;
+	context.strokeStyle = xAxisColor;	
+	context.beginPath();
+	context.moveTo(left + width - 2, y0DisplayPos);
+	context.lineTo(left + width - 12, y0DisplayPos - 5);
+	context.lineTo(left + width - 12, y0DisplayPos + 5);
+	context.lineTo(left + width - 2, y0DisplayPos);
+	context.closePath();
+	context.stroke();
+	context.fill();	
+	context.textAlign = 'left';
+	context.textBaseline = "middle";
+	wrapText(context, 'x', left + width + 15, y0DisplayPos - 5, 50, 40, 'italic '+labelFontSize+'px Times New Roman', '#000');
+	
+	// draw a black rectangular border
+	context.strokeStyle = '#000';
+	context.lineWidth = 4;
+	context.strokeRect(left, top, width, height);	
+
+	// mark the origin, if it is visible
+	if (x0 >= left && x0 <= left + width && y0 >= top && y0 <= top + height) {
+		context.textAlign = 'center';
+		context.textBaseline = "middle";
+		context.strokeStyle = '#666';
+		context.lineWidth = 2;
+		context.beginPath();
+		context.arc(x0,y0,10,0,2*Math.PI);
+		context.closePath();
+		context.stroke();
+	}
+	
+	// draw axes numbers
+	context.font = '24px Arial';
+	context.textAlign = "center";
+	context.textBaseline = "top";
+
+	// draw positive x axis numbers as multiple of pi
+	var xAxisPoint = x0 + xMajorSpacing;
+	var major = 1;
+	while (xAxisPoint <= left + width) {
+		var frac = {num: major*xMajorStep.num, denom:xMajorStep.denom};
+		var axisValue = multOfPiText(frac);
+		context.clearRect(xAxisPoint - 2, y0DisplayPos + 3, 4, fontSize * 1.15);
+		drawMathsText(context, axisValue, 0.8 * fontSize, xAxisPoint, y0DisplayPos + 1 + 0.7 * fontSize, true, [], 'center', 'middle', '#000')
+		major += 1;
+		xAxisPoint += xMajorSpacing;
+	}
+	
+	// draw negative x axis numbers as multiple of pi
+	xAxisPoint = x0 - xMajorSpacing;
+	major = -1;
+	while (xAxisPoint >= left) {
+		var frac = {num: major*-1*xMajorStep.num, denom:xMajorStep.denom}
+		var axisValue = multOfPiText(frac);
+		context.clearRect(xAxisPoint - 2, y0DisplayPos + 3, 4, fontSize * 1.15);
+		drawMathsText(context, axisValue, 0.8 * fontSize, xAxisPoint, y0DisplayPos + 1 + 0.7 * fontSize, true, [], 'center', 'middle', '#000')
+		major -= 1;
+		xAxisPoint -= xMajorSpacing;
+	}
+					
+	context.textBaseline = "middle";
+	context.textAlign = "right";
+	context.fillStyle = '#000';
+	
+	// positive y numbers
+	var yAxisPoint = y0 - yMajorSpacing;
+	var major = 1;
+	while (yAxisPoint >= top) {
+		var axisValue = Number(roundSF(major*yMajorStep, 5));
+		var textWidth = context.measureText(String(axisValue)).width	
+		context.clearRect(x0DisplayPos - textWidth - 11, yAxisPoint - fontSize * 0.5, textWidth + 3, fontSize);
+		wrapText(context, String(axisValue), x0DisplayPos - 2, yAxisPoint - 2, 50, 40, fontSize + 'px Arial')
+		major += 1;
+		yAxisPoint -= yMajorSpacing;
+	}
+
+	// negative y numbers
+	var yAxisPoint = y0 + yMajorSpacing;
+	var major = -1;
+	while (yAxisPoint <= top + height) {
+		var axisValue = Number(roundSF(major*yMajorStep, 5));
+		var textWidth = context.measureText(String(axisValue)).width	
+		context.clearRect(x0DisplayPos - textWidth - 11, yAxisPoint - fontSize * 0.5, textWidth + 3, fontSize);
+		wrapText(context, String(axisValue), x0DisplayPos - 2, yAxisPoint - 2, 50, 40, fontSize + 'px Arial')
+		major -= 1;
+		yAxisPoint += yMajorSpacing;
+	}	
+}
+
+function multOfPiText(frac) { // frac is an object with num and denom properties
+	var newNum, newDenom, hcf2;
+	var returnArray = [];
+	if (frac.num == 0) return ["0"];
+	if (frac.num < 0) {
+		frac.num = frac.num * -1;
+		if (frac.denom < 0) {
+			frac.denom = frac.denom * -1;
+		} else {
+			returnArray.push("-")	
+		}
+	} else {
+		if (frac.denom < 0) {
+			frac.denom = frac.denom * -1;
+			returnArray.push("-")	
+		}
+	}
+	hcf2 = hcf(frac.num, frac.denom);
+	newNum = frac.num / hcf2;
+	newDenom = frac.denom / hcf2;
+	if (newDenom == 1) {
+		if (newNum == 1) {
+			returnArray.push(String.fromCharCode(0x03C0));	
+		} else {
+			returnArray.push(String(newNum) + String.fromCharCode(0x03C0));								
+		}
+	} else {
+		if (newNum == 1) {
+			newNum = String.fromCharCode(0x03C0);
+		} else {
+			newNum = String(newNum) + String.fromCharCode(0x03C0);
+		}
+		returnArray.push(['frac', [newNum], [String(newDenom)]])
+	}
+	return returnArray;
+}
+
+function drawCoord(context,contextLeft,contextTop,gridDetails,x,y,opt_color,opt_size,opt_lineWidth) {
+	if (typeof gridDetails.sf !== 'undefined') {
+		var sf = gridDetails.sf;
+	} else {		
+		var sf = 1;
+	}
+	var mode = gridDetails.angleMode || 'deg';
+	var left = gridDetails.left - contextLeft; // use dimensions relative to background canvas (1200x700)
+	var top = gridDetails.top - contextTop;   // rather than the context supplied
+	if (y < gridDetails.yMin || y > gridDetails.yMax) return;
+	if (mode == 'deg') {
+		if (x < gridDetails.xMin || x > gridDetails.xMax) return;
+		var xPos = getPosOfCoordX2(x, left, gridDetails.width, gridDetails.xMin, gridDetails.xMax);
+	} else {
+		if (x < Math.PI*gridDetails.xMin[0]/gridDetails.xMin[1] || x > Math.PI*gridDetails.xMax[0]/gridDetails.xMax[1]) return;
+		var xPos = getPosOfCoordX2(x, left, gridDetails.width, Math.PI*gridDetails.xMin[0]/gridDetails.xMin[1], Math.PI*gridDetails.xMax[0]/gridDetails.xMax[1]);		
+	}
+	var yPos = getPosOfCoordY2(y, top, gridDetails.height, gridDetails.yMin, gridDetails.yMax);		
+	var color = opt_color || '#00F';
+	var size = gridDetails.pointSize*sf || opt_size*sf || 7*sf;
+	context.lineCap = 'round';
+	context.lineJoin = 'round';	
+	context.save();
+	context.strokeStyle = color;
+	context.lineWidth = gridDetails.pointWidth*sf || opt_lineWidth*sf || 1.5*sf;
+	context.beginPath();
+	context.moveTo(xPos - size, yPos - size);
+	context.lineTo(xPos + size, yPos + size);
+	context.moveTo(xPos - size, yPos + size);
+	context.lineTo(xPos + size, yPos - size);			
+	context.closePath();
+	context.stroke();
+	context.restore();
+}
+
+function fillPolygonOnGrid(context,contextLeft,contextTop,gridDetails,vertices,opt_color,opt_alpha) {
+	var left = gridDetails.left - contextLeft; // use dimensions relative to background canvas (1200x700)
+	var top = gridDetails.top - contextTop;   // rather than the context supplied
+
+	var color = opt_color || '#00F';
+	var colorRGB = hexToRgb(color);
+	
+	var alpha = opt_alpha || 0.2;
+	
+	context.save();
+	context.fillStyle = "rgba("+colorRGB.r+","+colorRGB.g+","+colorRGB.b+","+alpha+")";
+	context.beginPath();
+
+	var xPos = getPosOfCoordX2(vertices[0][0],left,gridDetails.width,gridDetails.xMin,gridDetails.xMax);
+	var yPos = getPosOfCoordY2(vertices[0][1],top,gridDetails.height,gridDetails.yMin,gridDetails.yMax);
+	context.moveTo(xPos,yPos);
+	
+	for (var i = 1; i < vertices.length; i++) {
+		var xPos = getPosOfCoordX2(vertices[i][0],left,gridDetails.width,gridDetails.xMin,gridDetails.xMax);
+		var yPos = getPosOfCoordY2(vertices[i][1],top,gridDetails.height,gridDetails.yMin,gridDetails.yMax);
+		context.lineTo(xPos,yPos);
+	}
+	
+	context.fill();
+	context.restore();
+}
+
+function getCoordAtMousePos(gridDetails,mode) {
+	var mode2 = mode || gridDetails.angleMode || 'deg';
+	if (mode2 == 'deg') {
+		var xCoord = getCoordX2(mouse.x, gridDetails.left, gridDetails.width, gridDetails.xMin, gridDetails.xMax);
+	} else {
+		var xCoord = getCoordX2(mouse.x, gridDetails.left, gridDetails.width, Math.PI*gridDetails.xMin[0]/gridDetails.xMin[1], Math.PI*gridDetails.xMax[0]/gridDetails.xMax[1]);
+	}
+	var yCoord = getCoordY2(mouse.y, gridDetails.top, gridDetails.height, gridDetails.yMin, gridDetails.yMax);
+	return [xCoord, yCoord];
+}
+
+function getCoordX2(xPos, left, width, xMin, xMax) {
+	return (xMin + (xMax - xMin) * (xPos - left) / width);
+}
+
+function getCoordY2(yPos, top, height, yMin, yMax) {
+	return (yMax - (yMax - yMin) * (yPos - top) / height); 
+}
+
+function getPosOfCoordX2(xCoord, left, width, xMin, xMax) {
+	return (left + (xCoord - xMin) * width / (xMax - xMin));
+}
+
+function getPosOfCoordY2(yCoord, top, height, yMin, yMax) {
+	return (top + (yMax - yCoord) * height / (yMax - yMin)); 
+}
+
+function getPosOfCoord(pos,gridDetails) { // given ([x,y],gridDetails)
+	return [
+		getPosOfCoordX2(pos[0],gridDetails.left,gridDetails.width,gridDetails.xMin,gridDetails.xMax),
+		getPosOfCoordY2(pos[1],gridDetails.top,gridDetails.height,gridDetails.yMin,gridDetails.yMax)
+	];
+}
+
+function drawLine(context,contextLeft,contextTop,gridDetails,x1,y1,x2,y2,opt_color,opt_thickness,opt_showPoints,opt_lineSegment,opt_dash,opt_dashWidth,opt_dashGapWidth) {
+	if (typeof gridDetails.sf !== 'undefined') {
+		var sf = gridDetails.sf;
+	} else {		
+		var sf = 1;
+	}	
+	var mode = gridDetails.angleMode || 'deg';
+	var left = gridDetails.left - contextLeft; // use dimensions relative to background canvas (1200x700)
+	var top = gridDetails.top - contextTop;   // rather than the context supplied
+	var width = gridDetails.width;
+	var height = gridDetails.height;
+	var yMin = gridDetails.yMin;
+	var yMax = gridDetails.yMax;			
+
+	if (mode == 'deg' || typeof gridDetails.xMin == 'number') {
+		var xMin = gridDetails.xMin;
+		var xMax = gridDetails.xMax;
+	} else {
+		var xMin = Math.PI*gridDetails.xMin[0]/gridDetails.xMin[1];
+		var xMax = Math.PI*gridDetails.xMax[0]/gridDetails.xMax[1];
+	}
+	
+	var color = opt_color || '#00F';
+	var thickness = gridDetails.lineWidth*sf || opt_thickness*sf || 3*sf;
+	var showPoints = boolean(opt_showPoints, false);
+	var lineSegment = boolean(opt_lineSegment, false);
+	var dash = boolean(opt_dash, false);
+	var dashWidth = def([opt_dashWidth*sf,15*sf]);
+	var dashGapWidth = def([opt_dashGapWidth*sf,5*sf]);
+
+	var x1Pos = getPosOfCoordX2(x1, left, width, xMin, xMax);
+	var y1Pos = getPosOfCoordY2(y1, top, height, yMin, yMax);			
+	var x2Pos = getPosOfCoordX2(x2, left, width, xMin, xMax);
+	var y2Pos = getPosOfCoordY2(y2, top, height, yMin, yMax);
+	
+	// check if the line is visible on the grid	
+	var x1vis = 0;
+	var y1vis = 0;
+	var x2vis = 0;
+	var y2vis = 0;
+	if (x1 < xMin) x1vis = -1;
+	if (x1 > xMax) x1vis = 1;
+	if (y1 < yMin) y1vis = -1;
+	if (y1 > yMax) y1vis = 1;			
+	if (x2 < xMin) x2vis = -1;
+	if (x2 > xMax) x2vis = 1;
+	if (y2 < yMin) y2vis = -1;
+	if (y2 > yMax) y2vis = 1;
+	if ((x1vis == -1 && x2vis == -1) || (x1vis == 1 && x2vis == 1) || (y1vis == -1 && y2vis == -1) || (y1vis == 1 && y2vis == 1)) return;
+	
+	// check if the line (treated as infinite) intersects at least one of the four edges of the grid
+	if (intersects2(x1,y1,x2,y2,xMin,yMin,xMax,yMin) == false &&
+		intersects2(x1,y1,x2,y2,xMin,yMin,xMin,yMax) == false &&
+		intersects2(x1,y1,x2,y2,xMax,yMin,xMax,yMax) == false &&
+		intersects2(x1,y1,x2,y2,xMin,yMax,xMax,yMax) == false) {
+		return;
+	}
+	
+	context.save();
+	if (typeof context.setLineDash !== 'function') context.setLineDash = function(){};
+	context.setLineDash([]);
+	context.lineCap = 'round';
+	context.lineJoin = 'round';			
+	if (showPoints == true) {
+		// plot the two points if they are visible on the grid
+		if (x1 >= xMin && x1 <= xMax && y1 >= yMin && y1 <= yMax) {
+			context.save();
+			context.strokeStyle = color;
+			context.lineWidth = thickness * 0.7;
+			context.beginPath();
+			context.moveTo(x1Pos - 8, y1Pos - 8);
+			context.lineTo(x1Pos + 8, y1Pos + 8);
+			context.moveTo(x1Pos - 8, y1Pos + 8);
+			context.lineTo(x1Pos + 8, y1Pos - 8);			
+			context.closePath();
+			context.stroke();
+			context.restore();
+		}
+		if (x2 >= xMin && x2 <= xMax && y2 >= yMin && y2 <= yMax) {
+			context.save();
+			context.strokeStyle = color;
+			context.lineWidth = thickness * 0.7;
+			context.beginPath();
+			context.moveTo(x2Pos - 8, y2Pos - 8);
+			context.lineTo(x2Pos + 8, y2Pos + 8);
+			context.moveTo(x2Pos - 8, y2Pos + 8);
+			context.lineTo(x2Pos + 8, y2Pos - 8);			
+			context.closePath();
+			context.stroke();
+			context.restore();
+		}
+	}
+	
+	// if it is a line segment
+	if (lineSegment == true) {
+		if (x1Pos == x2Pos) { // special case: vertical line, infinite gradient
+			if (y1Pos < top) {y1Pos = top};
+			if (y1Pos > (top + height)) {y1Pos = top + height};
+			if (y2Pos < top) {y2Pos = top};
+			if (y2Pos > (top + height)) {y2Pos = top + height};
+		} else {
+			// all of this is for truncating lines to the edge of the grid!
+			var grad = (y2Pos - y1Pos) / (x2Pos - x1Pos);
+			if (x1vis == -1) {
+				if (y1vis == 1) {
+					if ((x1Pos + (top - y1Pos) / grad) <= left) {
+						y1Pos += grad * (left - x1Pos);
+						x1Pos = left;						
+					} else {
+						x1Pos += (top - y1Pos) / grad;
+						y1Pos = top;						
+					}
+				}
+				if (y1vis == 0) {
+					y1Pos += grad * (left - x1Pos);
+					x1Pos = left;
+				}
+				if (y1vis == -1) {
+					if ((x1Pos + (top + height - y1Pos) / grad) <= left) {
+						y1Pos += grad * (left - x1Pos);
+						x1Pos = left;						
+					} else {
+						x1Pos += (top + height - y1Pos) / grad;
+						y1Pos = top + height;						
+					}				
+				}
+			}
+			if (x1vis == 0) {
+				if (y1vis == 1) {
+					x1Pos += (top - y1Pos) / grad;
+					y1Pos = top;						
+				}
+				if (y1vis == -1) {
+					x1Pos += (top + height - y1Pos) / grad;
+					y1Pos = top + height;						
+				}
+			}
+			if (x1vis == 1) {
+				if (y1vis == 1) {
+					if ((x1Pos - (y1Pos - top) / grad) >= (left + width)) {
+						y1Pos -= grad * (x1Pos - (left + width));
+						x1Pos = left + width;			
+					} else {
+						x1Pos -= (y1Pos - top) / grad;
+						y1Pos = top;	
+					}
+				}
+				if (y1vis == 0) {
+					y1Pos -= grad * (x1Pos - (left + width));
+					x1Pos = left + width;
+				}
+				if (y1vis == -1) {
+					if ((x1Pos - (y1Pos - (top + height)) / grad) >= left + width) {
+						y1Pos -= grad * (x1Pos - (left + width));
+						x1Pos = left + width;
+					} else {
+						x1Pos -= (y1Pos - (top + height)) / grad;
+						y1Pos = top + height;						
+					}
+				}
+			}
+			
+			if (x2vis == -1) {
+				if (y2vis == 1) {
+					if ((x2Pos + (top - y2Pos) / grad) <= left) {
+						y2Pos += grad * (left - x2Pos);
+						x2Pos = left;						
+					} else {
+						x2Pos += (top - y2Pos) / grad;
+						y2Pos = top;						
+					}
+				}
+				if (y2vis == 0) {
+					y2Pos += grad * (left - x2Pos);
+					x2Pos = left;
+				}
+				if (y2vis == -1) {
+					if ((x2Pos + (top + height - y2Pos) / grad) <= left) {
+						y2Pos += grad * (left - x2Pos);
+						x2Pos = left;						
+					} else {
+						x2Pos += (top + height - y2Pos) / grad;
+						y2Pos = top + height;						
+					}				
+				}
+			}
+			if (x2vis == 0) {
+				if (y2vis == 1) {
+					x2Pos += (top - y2Pos) / grad;
+					y2Pos = top;						
+				}
+				if (y2vis == -1) {
+					x2Pos += (top + height - y2Pos) / grad;
+					y2Pos = top + height;						
+				}
+			}
+			if (x2vis == 1) {
+				if (y2vis == 1) {
+					if ((x2Pos - (y2Pos - top) / grad) >= (left + width)) {
+						y2Pos -= grad * (x2Pos - (left + width));
+						x2Pos = left + width;			
+					} else {
+						x2Pos -= (y2Pos - top) / grad;
+						y2Pos = top;	
+					}
+				}
+				if (y2vis == 0) {
+					y2Pos -= grad * (x2Pos - (left + width));
+					x2Pos = left + width;
+				}
+				if (y2vis == -1) {
+					if ((x2Pos - (y2Pos - (top + height)) / grad) >= left + width) {
+						y2Pos -= grad * (x2Pos - (left + width));
+						x2Pos = left + width;
+					} else {
+						x2Pos -= (y2Pos - (top + height)) / grad;
+						y2Pos = top + height;						
+					}
+				}
+			}
+		}
+	} else {
+		//infinite lines
+		if (x1Pos == x2Pos) { // special case: vertical line, infinite gradient
+			y1Pos = top;
+			y2Pos = top + height;
+		} else {
+			/*var grad = (y2Pos - y1Pos) / (x2Pos - x1Pos); // old version
+			var xPos = [];
+			var yPos = [];					
+			// where does the line meet the left boundary?
+			xPos[0] = left;
+			yPos[0] = y1Pos + (left - x1Pos) * grad;
+			// where does the line meet the right boundary?
+			xPos[1] = left + width;
+			yPos[1] = y1Pos + (left + width - x1Pos) * grad;
+			// where does the line meet the top boundary?
+			yPos[2] = top;
+			xPos[2] = x1Pos - (y1Pos - top) / grad;
+			// where does the line meet the bottom boundary?
+			yPos[3] = top + height;
+			xPos[3] = x1Pos - (y1Pos - (top + height)) / grad;
+			var onEdge = [false, false, false, false];
+			if (yPos[0] >= top && yPos[0] <= top + height) onEdge[0] = true;
+			if (yPos[1] >= top && yPos[1] <= top + height) onEdge[1] = true;
+			if (xPos[2] > left && xPos[2] < left + width) onEdge[2] = true;
+			if (xPos[3] > left && xPos[3] < left + width) onEdge[3] = true;
+			console.log(onEdge);
+			var done = [];
+			var second = false;
+			for (var i = 0; i < onEdge.length; i++) {
+				if (onEdge[i] == true) {
+					if (second == false) {
+						x1Pos = xPos[i];
+						y1Pos = yPos[i];
+						second = true;	
+					} else {
+						x2Pos = xPos[i];
+						y2Pos = yPos[i];									
+					}
+				}
+			}*/
+			var intersectionPoints = [];
+			var polygon = [[left,top],[left+width,top],[left+width,top+height],[left,top+height]];
+			for (var p = 0; p < 4; p++) { // check if line goes through corner points
+				var point = polygon[p];
+				if (isPointOnLine(point, [x1Pos,y1Pos], [x2Pos,y2Pos])) {
+					intersectionPoints.push(point);
+				}
+			}
+			for (var p = 0; p < 4; p++) {			
+				var line = [polygon[p],polygon[(p+1)%4]];
+				if (intersects2(x1Pos, y1Pos, x2Pos, y2Pos, line[0][0], line[0][1], line[1][0], line[1][1]) === true) {
+					var point = intersection(x1Pos, y1Pos, x2Pos, y2Pos, line[0][0], line[0][1], line[1][0], line[1][1]);
+					var found = false;
+					for (var i = 0; i < intersectionPoints.length; i++) {
+						if (intersectionPoints[i][0] === point[0] && intersectionPoints[i][1] === point[1]) {
+							found = true;
+							break;
+						}
+					}
+					if (found === false) intersectionPoints.push(point);
+				}
+			}
+			x1Pos = intersectionPoints[0][0];
+			y1Pos = intersectionPoints[0][1];
+			x2Pos = intersectionPoints[1][0];
+			y2Pos = intersectionPoints[1][1];
+		}
+	}
+	
+	if (dash == true) context.setLineDash([dashWidth,dashGapWidth]);
+	context.strokeStyle = color;
+	context.lineWidth = thickness*sf;
+	if (lineSegment == true) context.lineJoin = 'round';
+	context.beginPath();
+	context.moveTo(x1Pos, y1Pos);
+	context.lineTo(x2Pos, y2Pos);
+	context.stroke();
+	context.setLineDash([]);
+
+	context.restore();
+	return [[x1Pos,y1Pos],[x2Pos,y2Pos]];
+}
+
+function calcFunc(gridDetails,funcString,opt_drawDensity,opt_domainMin,opt_domainMax) {
+	var drawDensity = opt_drawDensity || 1; // work out points every ? canvas pixel(s)
+	var angleMode = gridDetails.angleMode || 'deg';
+	
+	var domainMin = opt_domainMin || 'none';
+	var domainMax = opt_domainMax || 'none';
+	var domainMinPassed = false;
+	if (domainMin == 'none') {domainMinPassed == true};
+	var domainMaxPassed = false;
+
+	var left = gridDetails.left;
+	var top = gridDetails.top;
+	var width = gridDetails.width;
+	var height = gridDetails.height;
+	var yMin = gridDetails.yMin;
+	var yMax = gridDetails.yMax;
+	if (angleMode == 'deg' || typeof gridDetails.xMin == 'number') {
+		var xMin = gridDetails.xMin;
+		var xMax = gridDetails.xMax;
+	} else {
+		var xMin = Math.PI*gridDetails.xMin[0]/gridDetails.xMin[1];
+		var xMax = Math.PI*gridDetails.xMax[0]/gridDetails.xMax[1]
+	}
+	
+	if (/[\^]/.test(funcString) == true) return;
+		
+	var funcPoints = [];
+	
+	for (var xPos = 0; xPos <= width + drawDensity; xPos = xPos + drawDensity) {
+		var x = xMin + (xPos / width) * (xMax - xMin);
+		
+		try {
+			eval('var y = '+funcString+';');
+		}
+		catch(err) {
+			valid = false;
+			return;	
+		}	
+		
+		var yPos = (top + height) - height * ((y - yMin) / (yMax - yMin));
+		var thisPoint = [left+xPos, yPos, x, y] // AND: inDomain?, plotHighLowOk?
+		
+		if ((domainMin == 'none' || x >= domainMin) && (domainMax == 'none' || x <= domainMax)) {
+			thisPoint.push(true);
+		} else {
+			thisPoint.push(false);
+		}
+		
+		if (yPos < top) {
+			thisPoint.push('high');
+		} else {
+			if (yPos > (top + height)) {
+				thisPoint.push('low');				
+			} else {
+				thisPoint.push('ok');
+			}	
+		}
+		funcPoints.push(thisPoint);
+	}
+	
+	return funcPoints;	
+}
+
+function calcFunc2(gridDetails,func,opt_drawDensity,opt_domainMin,opt_domainMax) {
+	var drawDensity = opt_drawDensity || 1; // work out points every ? canvas pixel(s) 
+	var angleMode = gridDetails.angleMode || 'deg';
+	
+	var domainMin = opt_domainMin || 'none';
+	var domainMax = opt_domainMax || 'none';
+	var domainMinPassed = false;
+	if (domainMin == 'none') {domainMinPassed == true};
+	var domainMaxPassed = false;
+
+	var left = gridDetails.left;
+	var top = gridDetails.top;
+	var width = gridDetails.width;
+	var height = gridDetails.height;
+	var yMin = gridDetails.yMin;
+	var yMax = gridDetails.yMax;
+	if (angleMode == 'deg' || typeof gridDetails.xMin == 'number') {
+		var xMin = gridDetails.xMin;
+		var xMax = gridDetails.xMax;
+	} else {
+		var xMin = Math.PI*gridDetails.xMin[0]/gridDetails.xMin[1];
+		var xMax = Math.PI*gridDetails.xMax[0]/gridDetails.xMax[1]
+	}
+		
+	var funcPoints = [];
+	
+	for (var xPos = 0; xPos <= width + drawDensity; xPos = xPos + drawDensity) {
+		var x = xMin + (xPos / width) * (xMax - xMin);
+		
+		try {
+			y = func(x);
+		}
+		catch(err) {
+			valid = false;
+			continue;	
+		}	
+		if (y === false) continue;
+		
+		var yPos = (top + height) - height * ((y - yMin) / (yMax - yMin));
+		var thisPoint = [left+xPos, yPos, x, y] // AND: inDomain?, plotHighLowOk?
+		
+		if ((domainMin == 'none' || x >= domainMin) && (domainMax == 'none' || x <= domainMax)) {
+			thisPoint.push(true);
+		} else {
+			thisPoint.push(false);
+		}
+		
+		if (yPos < top) {
+			thisPoint.push('high');
+		} else {
+			if (yPos > (top + height)) {
+				thisPoint.push('low');				
+			} else {
+				thisPoint.push('ok');
+			}	
+		}
+		funcPoints.push(thisPoint);
+	}
+	
+	return funcPoints;	
+}
+
+function drawFunc(context,contextLeft,contextTop,gridDetails,funcPoints,opt_color,opt_thickness,opt_asymptotes) {
+	var top = gridDetails.top;
+	var height = gridDetails.height;
+	var path = [[]];
+	var prevPlot = 'start';
+	var pathNum = 0;
+	var asymptotes = opt_asymptotes; // eg. [[90,1,-1]] - asymptote at 90, positive on left, negative on right
+	
+	// work out the path(s) of coordinates to be joined	
+	// this takes account of the edge of the grid and doesn't go above or below
+	for (var pos = 0; pos < funcPoints.length; pos++) {
+		if (funcPoints[pos][4] == false) { // if not in domain
+			prevPlot = funcPoints[pos][5];
+			continue; 
+		}
+
+		var currPlot = funcPoints[pos][5];
+
+		// check if an asymptote is being crossed
+		var asymp = -1;
+		if (typeof asymptotes == 'object' && pos > 0) {
+			for (var i = 0; i < asymptotes.length; i++) {
+				if (funcPoints[pos-1][2] <= asymptotes[i][0] && funcPoints[pos][2] >= asymptotes[i][0]) {
+					asymp = i;
+				}
+			}
+		}
+		if (asymp > -1) {
+			// if so, push top or bottom point into array
+			if (asymptotes[asymp][1] >= 0 && prevPlot == 'ok') {
+				path[pathNum].push([funcPoints[pos][0], top - contextTop]);
+			} else if (asymptotes[asymp][1] < 0 && prevPlot == 'ok') {
+				path[pathNum].push([funcPoints[pos][0], top + height - contextTop]);	
+			}
+			// set prevPlot to high or low
+			if (asymptotes[asymp][2] >= 0) {
+				prevPlot = 'high';
+			} else {
+				prevPlot = 'low';
+			}
+			// skip to next x value
+			continue;
+		}		
+		
+		
+		if (currPlot == 'high') {
+			if (prevPlot == 'ok') {
+				path[pathNum].push([funcPoints[pos-1][0] - contextLeft + (funcPoints[pos][0] - funcPoints[pos-1][0]) * (funcPoints[pos-1][1] - top) / (funcPoints[pos-1][1] - funcPoints[pos][1]), top - contextTop]);
+			}
+		} else {
+			if (currPlot == 'low') {
+				if (prevPlot == 'ok') {
+					path[pathNum].push([funcPoints[pos-1][0] - contextLeft + (funcPoints[pos][0] - funcPoints[pos-1][0]) * ((top + height) - funcPoints[pos-1][1]) / (funcPoints[pos][1] - funcPoints[pos-1][1]), top + height - contextTop]);
+				}
+			} else {
+				if (prevPlot == 'ok') {
+					path[pathNum].push([funcPoints[pos][0] - contextLeft, funcPoints[pos][1] - contextTop]);
+				} else {
+					if (prevPlot == 'high') {
+						pathNum++;
+						path[pathNum] = [];
+						path[pathNum].push([funcPoints[pos-1][0] - contextLeft + (funcPoints[pos][0] - funcPoints[pos-1][0]) * (top - funcPoints[pos-1][1]) / (funcPoints[pos][1] - funcPoints[pos-1][1]), top - contextTop]);
+						path[pathNum].push([funcPoints[pos][0] - contextLeft, funcPoints[pos][1] - contextTop]);
+					} else {
+						if (prevPlot == 'low') {
+							pathNum++;
+							path[pathNum] = [];
+							path[pathNum].push([funcPoints[pos-1][0] + (funcPoints[pos][0] - funcPoints[pos-1][0]) * (funcPoints[pos-1][1] - (top + height)) / (funcPoints[pos-1][1] - funcPoints[pos][1]), top + height - contextTop]);
+							path[pathNum].push([funcPoints[pos][0] - contextLeft, funcPoints[pos][1] - contextTop]);
+						} else {
+							path[pathNum].push([funcPoints[pos][0] - contextLeft, funcPoints[pos][1] - contextTop]);
+						}
+					}
+				}
+			}	
+		}
+		prevPlot = currPlot;
+	}
+
+	// draw the path(s)
+	context.strokeStyle = def([opt_color,gridDetails.funcColor,'#00F']);
+	context.lineWidth = def([opt_thickness,gridDetails.funcWidth,gridDetails.lineWidth,3]);
+	context.lineCap = 'round';
+	context.beginPath();	
+	
+	for (var pathNum = 0; pathNum < path.length; pathNum++) {
+		if (path[pathNum].length < 2) continue;
+		context.moveTo(path[pathNum][0][0],path[pathNum][0][1]);
+		for (var point = 1; point < path[pathNum].length; point++) {
+			context.lineTo(path[pathNum][point][0],path[pathNum][point][1]);	
+		}
+	}
+
+	context.stroke();
+
+	return path;
+}
+
+function calcFuncImplicitGridPos(gridDetails,func,increment) {
+	function getLines(SW,SE,NW,NE) { // returns 0=S,1=W,2=N,3=E
+		if (SW < 0) {
+			if (SE < 0) {
+				if (NE < 0) {
+					if (NW < 0) { //return [];
+						// ..
+						// ..
+						return [];
+					} else { //return [];
+						// ..
+						// x.
+						return [0,1];
+					}
+				} else {
+					if (NW < 0) { //return [];
+						// ..
+						// .x
+						return [0,3];
+					} else { //return [];				
+						// ..
+						// xx
+						return [1,3];
+					}
+				}					
+			} else {			
+				if (NE < 0) {
+					if (NW < 0) { //return [];	
+						// .x
+						// ..
+						return [2,3];							
+					} else { //return [];
+						// .x
+						// x.
+						return [0,1,2,3];							
+					}									
+				} else {			
+					if (NW < 0) { //return [];
+						// .x
+						// .x
+						return [0,2];					
+					} else { //return [];
+						// .x
+						// xx
+						return [1,2];							
+					}									
+				}					
+			}				
+		} else {
+			if (SE < 0) {
+				if (NE < 0) {
+					if (NW < 0) { //return [];
+						// x.
+						// ..
+						return [1,2];							
+					} else { //return [];
+						// x.
+						// x.
+						return [0,2];							
+					}
+				} else {
+					if (NW < 0) { //return [];
+						// x.
+						// .x
+						return [1,2,0,3];
+					} else { //return [];
+						// x.
+						// xx
+						return [2,3];							
+					}			
+				}
+			} else {
+				if (NE < 0) {
+					if (NW < 0) { //return [];
+						// ..
+						// xx
+						return [1,3];							
+					} else { //return [];
+						// xx
+						// x.
+						return [0,3];
+					}									
+				} else {
+					if (NW < 0) { //return [];
+						// xx
+						// .x
+						return [0,1];					
+					} else { //return [];
+						// xx
+						// xx
+						return [];						
+					}									
+				}					
+			}				
+		}		
+	}
+	
+	var yMin = gridDetails.yMin;
+	var yMax = gridDetails.yMax;
+	var xMin = gridDetails.xMin;
+	var xMax = gridDetails.xMax;	
+	if (un(increment)) increment = Math.max(xMax-xMin,yMax-yMin)/500;
+		
+	var values = [];
+	var pos = [];
+	for (var y = yMin; y <= yMax; y += increment) {
+		y = Math.min(yMax,y);
+		var row = [];
+		for (var x = xMin; x <= xMax; x += increment) {
+			x = Math.min(xMax,x);
+			row.push({x:x,y:y,value:func(x,y)});
+			if (x === xMax) break;
+		}
+		values.push(row);
+		if (y === yMax) break;
+	}
+	for (var r = 0; r < values.length-1; r++) {
+		for (var c = 0; c < values[r].length-1; c++) {
+			var NW = values[r][c].value;
+			var NE = values[r][c+1].value;
+			var SW = values[r+1][c].value;
+			var SE = values[r+1][c+1].value;
+			var lines = getLines(SW,SE,NW,NE);
+			while (lines.length > 1) {
+				var pos2 = []; 
+				for (var i = 0; i < 2; i++) {
+					if (lines[i] === 0) { //0=S,1=W,2=N,3=E
+						var x = (values[r][c].x+values[r][c+1].x)/2;
+						var y = values[r][c].y;
+					} else if (lines[i] === 1) {
+						var x = values[r][c].x;
+						var y = (values[r][c].y+values[r+1][c].y)/2;
+					} else if (lines[i] === 2) {
+						var x = (values[r][c].x+values[r][c+1].x)/2;
+						var y = values[r+1][c].y;
+					} else {
+						var x = values[r][c+1].x;
+						var y = (values[r][c].y+values[r+1][c].y)/2;
+					}
+					pos2.push([x,y]);
+				}
+				pos.push(pos2);
+				lines.shift();
+				lines.shift();
+			}
+		}
+	}
+	return pos;
+}
+
+function calcFuncImplicitCanvasPos(gridDetails, funcPos) {
+	var canvasPos = [];
+	for (var p = 0; p < funcPos.length; p++) {
+		var pos = funcPos[p];
+		canvasPos.push([getPosOfCoord(pos[0],gridDetails),getPosOfCoord(pos[1],gridDetails)]);
+	}
+	return canvasPos;
+}
+
+function drawFuncImplicit(ctx, canvasPos, color, lineWidth) {
+	if (un(color)) color = '#00F';
+	if (un(lineWidth)) lineWidth = 5;
+	ctx.save();
+	ctx.strokeStyle = color;
+	ctx.lineWidth = lineWidth;
+	ctx.beginPath();
+	for (var p = 0; p < canvasPos.length; p++) {
+		var pos = canvasPos[p];
+		ctx.moveTo(pos[0][0],pos[0][1]);
+		ctx.lineTo(pos[1][0],pos[1][1]);
+	}
+	ctx.stroke();
+	ctx.restore();
+}
+
+
+
+function plotFunc(ctx,gridDetails,func,density,color) {
+	function getLines(SW,SE,NW,NE) { // returns 0=S,1=W,2=N,3=E
+		if (SW < 0) {
+			if (SE < 0) {
+				if (NE < 0) {
+					if (NW < 0) { //return [];
+						// ..
+						// ..
+						return [];
+					} else { //return [];
+						// ..
+						// x.
+						return [0,1];
+					}
+				} else {
+					if (NW < 0) { //return [];
+						// ..
+						// .x
+						return [0,3];
+					} else { //return [];				
+						// ..
+						// xx
+						return [1,3];
+					}
+				}					
+			} else {			
+				if (NE < 0) {
+					if (NW < 0) { //return [];	
+						// .x
+						// ..
+						return [2,3];							
+					} else { //return [];
+						// .x
+						// x.
+						return [0,1,2,3];							
+					}									
+				} else {			
+					if (NW < 0) { //return [];
+						// .x
+						// .x
+						return [0,2];					
+					} else { //return [];
+						// .x
+						// xx
+						return [1,2];							
+					}									
+				}					
+			}				
+		} else {
+			if (SE < 0) {
+				if (NE < 0) {
+					if (NW < 0) { //return [];
+						// x.
+						// ..
+						return [1,2];							
+					} else { //return [];
+						// x.
+						// x.
+						return [0,2];							
+					}
+				} else {
+					if (NW < 0) { //return [];
+						// x.
+						// .x
+						return [1,2,0,3];
+					} else { //return [];
+						// x.
+						// xx
+						return [2,3];							
+					}			
+				}
+			} else {
+				if (NE < 0) {
+					if (NW < 0) { //return [];
+						// ..
+						// xx
+						return [1,3];							
+					} else { //return [];
+						// xx
+						// x.
+						return [0,3];
+					}									
+				} else {
+					if (NW < 0) { //return [];
+						// xx
+						// .x
+						return [0,1];					
+					} else { //return [];
+						// xx
+						// xx
+						return [];						
+					}									
+				}					
+			}				
+		}		
+	}
+	
+	if (typeof density == 'undefined') density = 5; // density is the width of each square
+	var angleMode = gridDetails.angleMode || 'deg';	
+	var yMin = gridDetails.yMin;
+	var yMax = gridDetails.yMax;
+	if (angleMode == 'deg' || typeof gridDetails.xMin == 'number') {
+		var xMin = gridDetails.xMin;
+		var xMax = gridDetails.xMax;
+	} else {
+		var xMin = Math.PI*gridDetails.xMin[0]/gridDetails.xMin[1];
+		var xMax = Math.PI*gridDetails.xMax[0]/gridDetails.xMax[1]
+	}
+	
+	if (typeof color == 'undefined') color = '#00F';
+	ctx.strokeStyle = color;
+	ctx.beginPath();
+	var xInc = (xMax - xMin) / (gridDetails.width / density);
+	var yInc = (yMax - yMin) / (gridDetails.height / density);
+	var yPos = gridDetails.top + gridDetails.height;
+	for (var y = yMin; y < yMax; y += yInc) {
+		var xPos = gridDetails.left;
+		for (var x = xMin; x < xMax; x += xInc) {
+			var x2 = Math.min(x+xInc,xMax);
+			var y2 = Math.min(y+yInc,yMax);
+			var NW = func(x,y);
+			var NE = func(x2,y);
+			var SW = func(x,y2);
+			var SE = func(x2,y2);
+			var lines = getLines(SW,SE,NW,NE);
+			while (lines.length > 1) {
+				var pos = [];
+				for (var i = 0; i < 2; i++) {
+					var xPos2 = Math.min(xPos+density,gridDetails.left+gridDetails.width);
+					var yPos2 = Math.max(yPos-density,gridDetails.top);
+					var px = [xPos,xPos,xPos,xPos2][lines[i]];
+					var py = [yPos,yPos,yPos2,yPos][lines[i]];
+					var pf = [NW,NW,SW,NE][lines[i]];			
+					var qx = [xPos2,xPos,xPos2,xPos2][lines[i]];
+					var qy = [yPos,yPos2,yPos2,yPos2][lines[i]];
+					var qf = [NE,SW,SE,SE][lines[i]];
+					pos[i] = [px,py];
+					if (px !== qx) pos[i][0] = px + density * ((0 - pf) / (qf - pf));
+					if (py !== qy) pos[i][1] = py - density * ((0 - pf) / (qf - pf));
+				}
+				ctx.moveTo(pos[0][0],pos[0][1]);
+				ctx.lineTo(pos[1][0],pos[1][1]);
+				lines.shift();
+				lines.shift();
+			}
+			xPos += density;
+		}
+		yPos -= density;
+	}
+	ctx.stroke();
+}
+
+function slowPlotFunc(context,contextLeft,contextTop,gridDetails,funcPoints,plotTime,opt_color,opt_thickness) {
+	var top = gridDetails.top;
+	var height = gridDetails.height;
+	var prevPlot = 'start';
+	var path = [[]];
+	var pathNum = 0;
+
+	// work out the path(s) of coordinates to be joined	
+	// this takes account of the edge of the grid and doesn't go above or below
+	for (var pos = 0; pos < funcPoints.length; pos++) {
+		if (funcPoints[pos][4] == false) { // if not in domain
+			prevPlot = funcPoints[pos][5];
+			continue; 
+		}
+		var currPlot = funcPoints[pos][5];
+		if (currPlot == 'high') {
+			if (prevPlot == 'ok') {
+				path[pathNum].push([funcPoints[pos-1][0] - contextLeft + (funcPoints[pos][0] - funcPoints[pos-1][0]) * (funcPoints[pos-1][1] - top) / (funcPoints[pos-1][1] - funcPoints[pos][1]), top - contextTop]);
+			}
+		} else {
+			if (currPlot == 'low') {
+				if (prevPlot == 'ok') {
+					path[pathNum].push([funcPoints[pos-1][0] - contextLeft + (funcPoints[pos][0] - funcPoints[pos-1][0]) * ((top + height) - funcPoints[pos-1][1]) / (funcPoints[pos][1] - funcPoints[pos-1][1]), top + height - contextTop]);
+				}
+			} else {
+				if (prevPlot == 'ok') {
+					path[pathNum].push([funcPoints[pos][0] - contextLeft, funcPoints[pos][1] - contextTop]);
+				} else {
+					if (prevPlot == 'high') {
+						if (pathNum > 0) {
+							pathNum++;
+							path[pathNum] = [];
+						}
+						path[pathNum].push([funcPoints[pos-1][0] - contextLeft + (funcPoints[pos][0] - funcPoints[pos-1][0]) * (top - funcPoints[pos-1][1]) / (funcPoints[pos][1] - funcPoints[pos-1][1]), top - contextTop]);
+						path[pathNum].push([funcPoints[pos][0] - contextLeft, funcPoints[pos][1] - contextTop]);
+					} else {
+						if (prevPlot == 'low') {
+						if (pathNum > 0) {
+							pathNum++;
+							path[pathNum] = [];
+						}
+							path[pathNum].push([funcPoints[pos-1][0] + (funcPoints[pos][0] - funcPoints[pos-1][0]) * (funcPoints[pos-1][1] - (top + height)) / (funcPoints[pos-1][1] - funcPoints[pos][1]), top + height - contextTop]);
+							path[pathNum].push([funcPoints[pos][0] - contextLeft, funcPoints[pos][1] - contextTop]);
+						} else {
+							path[pathNum].push([funcPoints[pos][0] - contextLeft, funcPoints[pos][1] - contextTop]);
+						}
+					}
+				}
+			}	
+		}
+		prevPlot = currPlot;
+	}
+
+	// draw the path(s)
+	context.strokeStyle = opt_color || '#00F';
+	context.lineWidth = opt_thickness || 3;
+	context.lineCap = 'round';
+	context.beginPath();	
+	
+	var numOfFrames = 0;
+	for (var pathNum = 0; pathNum < path.length; pathNum++) {
+		numOfFrames += path[pathNum].length;
+	}
+	var frameTime = plotTime / numOfFrames;
+	var plotPath = path;
+	var plotPathNum = 0;
+	var plotPointNum = 0;
+	
+	var slowPlotInterval = setCorrectingInterval(function() {
+		if (plotPointNum == 0) {
+			context.beginPath();
+			context.moveTo(plotPath[plotPathNum][plotPointNum][0],plotPath[plotPathNum][plotPointNum][1]);
+		} else {
+			context.lineTo(plotPath[plotPathNum][plotPointNum][0],plotPath[plotPathNum][plotPointNum][1]);
+			context.stroke();
+		}
+		if (plotPointNum == plotPath[plotPathNum].length - 1) {
+			if (plotPathNum == plotPath.length - 1) {
+				clearCorrectingInterval(slowPlotInterval);
+			} else {
+				plotPathNum++;
+				plotPointNum = 0;	
+			}
+		} else {
+			plotPointNum++;	
+		}
+	}, frameTime);
+}
+
+function convertToRadians(funcString) {
+	// for a trig function in degrees, /180*Math.Pi
+	// find instances of trig functions
+	for (var char = 0; char < funcString.length; char++) {
+		if (funcString.slice(char).indexOf('Math.sin(') == 0 || funcString.slice(char).indexOf('Math.cos(') == 0 || funcString.slice(char).indexOf('Math.tan(') == 0) {
+			var bracketCount = 1;
+			var charCount = 9;
+			do {
+				if (funcString.slice(char).charAt(charCount) == '(') bracketCount++;
+				if (funcString.slice(char).charAt(charCount) == ')') bracketCount--;
+				charCount++;
+			} while (bracketCount > 0 && char + charCount <= funcString.length)
+			var inner = funcString.slice(char).slice(9, charCount - 1);
+			if (inner.indexOf('Math.PI') == -1) {
+				inner = "(" + inner + ")*Math.PI/180";
+				funcString = funcString.slice(0,char+9) + inner + funcString.slice(char+charCount-1);	
+			}
+		}
+		// INVERSE TRIG FUNCTIONS NOT DONE YET!!
+	}
+	return funcString
+}
+
+function calcAreaUnderFunc(gridDetails,funcString,min,max,opt_drawDensity) {
+	if (typeof min !== 'number') min = gridDetails.xMin;
+	if (typeof max !== 'number') max = gridDetails.xMax;
+	var drawDensity = opt_drawDensity || 1; // work out points every ? canvas pixel(s) 
+
+	var minPassed = false;
+	if (min <= gridDetails.min) {minPassed == true};
+	var maxPassed = false;
+
+	var left = gridDetails.left;
+	var top = gridDetails.top;
+	var width = gridDetails.width;
+	var height = gridDetails.height;
+	var xMin = gridDetails.xMin;
+	var xMax = gridDetails.xMax;
+	var yMin = gridDetails.yMin;
+	var yMax = gridDetails.yMax;
+
+	if (/[\^]/.test(funcString) == true) return;
+		
+	var funcPoints = [[getPosOfCoordX2(min,left,width,xMin,xMax),getPosOfCoordY2(0,top,height,yMin,yMax)]];
+	
+	for (var xPos = getPosOfCoordX2(min,left,width,xMin,xMax)-left; xPos <= getPosOfCoordX2(max,left,width,xMin,xMax)-left; xPos = xPos + drawDensity) {
+		var x = xMin + (xPos / width) * (xMax - xMin);
+		try {
+			eval('var y = '+funcString+';');
+		}
+		catch(err) {
+			valid = false;
+			return;	
+		}	
+		
+		var yPos = Math.min(Math.max((top + height) - height * ((y - yMin) / (yMax - yMin)), top), top + height);
+		funcPoints.push([left+xPos, yPos]);
+	}
+	
+	funcPoints.push(
+		[getPosOfCoordX2(max,left,width,xMin,xMax),getPosOfCoordY2(0,top,height,yMin,yMax)],
+		[getPosOfCoordX2(min,left,width,xMin,xMax),getPosOfCoordY2(0,top,height,yMin,yMax)]
+	);
+	
+	return funcPoints;	
+}
+
+function drawFuncArea(context,contextLeft,contextTop,gridDetails,funcAreaPoints,boundaryLines,opt_color,opt_opacity) {
+	var boundaryLines = boolean(boundaryLines,true);
+	var color = opt_color || '#00F';
+	var opacity = opt_opacity || 0.5;
+	
+	var colorRGB = hexToRgb(color);
+	context.save();
+	context.fillStyle = "rgba("+colorRGB.r+","+colorRGB.g+","+colorRGB.b+","+opacity+")";
+	context.beginPath();	
+	
+	context.moveTo(funcAreaPoints[0][0],funcAreaPoints[0][1]);
+	for (var i = 0; i < funcAreaPoints.length; i++) {
+		context.lineTo(funcAreaPoints[i][0],funcAreaPoints[i][1]);	
+	}
+	
+	context.fill();	
+	
+	if (boundaryLines = true) {
+		context.beginPath();
+		context.strokeStyle = color;
+		context.lineWidth = 3;
+		context.moveTo(funcAreaPoints[0][0],funcAreaPoints[0][1]);
+		context.lineTo(funcAreaPoints[1][0],funcAreaPoints[1][1]);
+		context.moveTo(funcAreaPoints[funcAreaPoints.length-3][0],funcAreaPoints[funcAreaPoints.length-3][1]);
+		context.lineTo(funcAreaPoints[funcAreaPoints.length-2][0],funcAreaPoints[funcAreaPoints.length-2][1]);
+		context.stroke();
+	}
+	context.restore();
+}
+
+function convertCoordsGridToCanvas(contextLeft,contextTop,gridDetails,pointsArray) {
+	var left = gridDetails.left - contextLeft; // use dimensions relative to background canvas (1200x700)
+	var top = gridDetails.top - contextTop;   // rather than the context supplied
+	var width = gridDetails.width;
+	var height = gridDetails.height;
+	var xMin = gridDetails.xMin;
+	var xMax = gridDetails.xMax;
+	var yMin = gridDetails.yMin;
+	var yMax = gridDetails.yMax;
+	
+	var returnArray = [];
+	
+	for (var i = 0; i < pointsArray.length; i++) {
+		returnArray[i] = [getPosOfCoordX2(pointsArray[i][0],left,width,xMin,xMax),getPosOfCoordY2(pointsArray[i][1],top,height,yMin,yMax)];
+	}
+	
+	return returnArray;
+}
+
+function drawSmoothCurve(ctx,gridDetails,pointsArray,tension,numOfPoints,forceUpwards) {
+	var gridPoints = convertCoordsGridToCanvas(0,0,gridDetails,pointsArray);
+	var pts = getSmoothCurvePoints(gridPoints,tension,false,numOfPoints,forceUpwards);
+
+    ctx.beginPath();
+	ctx.moveTo(pts[0], pts[1]);
+    for (i = 2; i < pts.length - 1; i += 2) {
+		ctx.lineTo(pts[i], pts[i+1]);
+	}
+	ctx.stroke();
+}
+function getSmoothCurvePoints(pts, tension, isClosed, numOfSegments, forceUpwards) {
+	// flatten pts array
+	var pts2 = [];
+	for (var i = 0; i < pts.length; i++) {
+		for (var j = 0; j < pts[i].length; j++) {
+			pts2.push(pts[i][j]);
+		}
+	}
+
+    // use input value if provided, or use a default value   
+    tension = (typeof tension != 'undefined') ? tension : 0.5;
+    isClosed = isClosed ? isClosed : false;
+    numOfSegments = numOfSegments ? numOfSegments : 16;
+	forceUpwards = boolean(forceUpwards,false);
+	
+    var _pts = [], res = [],    // clone array
+        x, y,           // our x,y coords
+        t1x, t2x, t1y, t2y, // tension vectors
+        c1, c2, c3, c4,     // cardinal points
+        st, t, i;       // steps based on num. of segments
+
+    // clone array so we don't change the original
+    //
+    _pts = pts2.slice(0);
+	
+    // The algorithm require a previous and next point to the actual point array.
+    // Check if we will draw closed or open curve.
+    // If closed, copy end points to beginning and first points to end
+    // If open, duplicate first points to befinning, end points to end
+    if (isClosed) {
+        _pts.unshift(pts2[pts2.length - 1]);
+        _pts.unshift(pts2[pts2.length - 2]);
+        _pts.unshift(pts2[pts2.length - 1]);
+        _pts.unshift(pts2[pts2.length - 2]);
+        _pts.push(pts2[0]);
+        _pts.push(pts2[1]);
+    }
+    else {
+        _pts.unshift(pts2[1]);   //copy 1. point and insert at beginning
+        _pts.unshift(pts2[0]);
+        _pts.push(pts2[pts2.length - 2]); //copy last point and append
+        _pts.push(pts2[pts2.length - 1]);
+    }
+	
+    // ok, lets start..
+
+    // 1. loop goes through point array
+    // 2. loop goes through each segment between the 2 pts + 1e point before and after
+    for (i=2; i < (_pts.length - 4); i+=2) {
+        for (t=0; t <= numOfSegments; t++) {
+
+            // calc tension vectors
+            t1x = (_pts[i+2] - _pts[i-2]) * tension;
+            t2x = (_pts[i+4] - _pts[i]) * tension;
+
+            t1y = (_pts[i+3] - _pts[i-1]) * tension;
+            t2y = (_pts[i+5] - _pts[i+1]) * tension;
+
+            // calc step
+            st = t / numOfSegments;
+
+            // calc cardinals
+            c1 =   2 * Math.pow(st, 3)  - 3 * Math.pow(st, 2) + 1; 
+            c2 = -(2 * Math.pow(st, 3)) + 3 * Math.pow(st, 2); 
+            c3 =       Math.pow(st, 3)  - 2 * Math.pow(st, 2) + st; 
+            c4 =       Math.pow(st, 3)  -     Math.pow(st, 2);
+
+            // calc x and y cords with common control vectors
+            x = c1 * _pts[i]    + c2 * _pts[i+2] + c3 * t1x + c4 * t2x;
+            y = c1 * _pts[i+1]  + c2 * _pts[i+3] + c3 * t1y + c4 * t2y;
+
+			if (forceUpwards == true) {
+if ((y < _pts[i+1] && y < _pts[i+3]) || (y > _pts[i+1] && y > _pts[i+3])) {
+	y = (_pts[i+1] + _pts[i+3]) / 2;
+}
+if ((x < _pts[i] && x < _pts[i+2]) || (x > _pts[i] && x > _pts[i+2])) {
+	x = (_pts[i] + _pts[i+2]) / 2;
+}
+			}
+
+            //store points in array	
+            res.push(x);
+            res.push(y);
+
+        }
+    }
+
+    return res;
+}
+
+function drawBoxPlot(ctx,contextLeft,contextTop,gridDetails,data,yMiddle,yHeight,options) {
+	var left = gridDetails.left - contextLeft; // use dimensions relative to background canvas (1200x700)
+	var top = gridDetails.top - contextTop;   // rather than the context supplied
+
+	if (typeof options == 'undefined') options = {};
+	
+	ctx.save();
+	ctx.strokeStyle = options.color || '#000';
+	ctx.lineWidth = options.lineWidth || 4;
+	ctx.lineJoin = 'round';
+	ctx.lineCap = 'round';
+	if (typeof ctx.setLineDash == 'undefined') ctx.setLineDash = function(){};
+	ctx.setLineDash([]);
+	
+	var xPos = [];
+	for (var i = 0; i < data.length; i++) {
+		xPos[i] = getPosOfCoordX2(data[i],left,gridDetails.width,gridDetails.xMin,gridDetails.xMax);
+	}
+	var yPos = [
+		getPosOfCoordY2(yMiddle - 0.5 * yHeight,top,gridDetails.height,gridDetails.yMin,gridDetails.yMax),
+		getPosOfCoordY2(yMiddle - 0.3 * yHeight,top,gridDetails.height,gridDetails.yMin,gridDetails.yMax),
+		getPosOfCoordY2(yMiddle,top,gridDetails.height,gridDetails.yMin,gridDetails.yMax),
+		getPosOfCoordY2(yMiddle + 0.3 * yHeight,top,gridDetails.height,gridDetails.yMin,gridDetails.yMax),
+		getPosOfCoordY2(yMiddle + 0.5 * yHeight,top,gridDetails.height,gridDetails.yMin,gridDetails.yMax)
+	];
+	
+	// fill
+	if (boolean(options.rangeOnly,false) == false && boolean(options.dashesOnly,false) == false && boolean(options.fill,false) == true) {
+		ctx.fillStyle = options.fillColor || '#FCF';
+		ctx.fillRect(xPos[1],yPos[0],xPos[3]-xPos[1],yPos[4]-yPos[0]);
+	}
+	
+	ctx.beginPath();
+	
+	// horizLines
+	if (boolean(options.dashesOnly,false) == false) {
+		if (boolean(options.rangeOnly,false) == true) {
+			ctx.moveTo(xPos[0],yPos[2]);
+			ctx.lineTo(xPos[4],yPos[2]);
+		} else {
+			ctx.moveTo(xPos[0],yPos[2]);
+			ctx.lineTo(xPos[1],yPos[2]);
+			ctx.moveTo(xPos[1],yPos[0]);
+			ctx.lineTo(xPos[3],yPos[0]);
+			ctx.moveTo(xPos[1],yPos[4]);
+			ctx.lineTo(xPos[3],yPos[4]);
+			ctx.moveTo(xPos[3],yPos[2]);
+			ctx.lineTo(xPos[4],yPos[2]);			
+		}	
+	}
+	
+	// vertLines
+	if (boolean(options.rangeOnly,false) == true) {
+		ctx.moveTo(xPos[0],yPos[1]);
+		ctx.lineTo(xPos[0],yPos[3]);
+		ctx.moveTo(xPos[4],yPos[1]);
+		ctx.lineTo(xPos[4],yPos[3]);
+		ctx.stroke();		
+	} else {
+		ctx.moveTo(xPos[0],yPos[1]);
+		ctx.lineTo(xPos[0],yPos[3]);
+		ctx.moveTo(xPos[1],yPos[0]);
+		ctx.lineTo(xPos[1],yPos[4]);
+		ctx.moveTo(xPos[3],yPos[0]);
+		ctx.lineTo(xPos[3],yPos[4]);
+		ctx.moveTo(xPos[4],yPos[1]);
+		ctx.lineTo(xPos[4],yPos[3]);
+		ctx.stroke();	
+		ctx.setLineDash([8,5]);		
+		ctx.lineWidth = 0.6 * ctx.lineWidth;
+		ctx.beginPath();
+		ctx.moveTo(xPos[2],yPos[0]);
+		ctx.lineTo(xPos[2],yPos[4]);
+		ctx.stroke();
+	}
+	
+	ctx.restore();
+}
+
+
diff --git a/tools/i2/_holder2.js b/tools/i2/_holder2.js
new file mode 100644
index 0000000..4991811
--- /dev/null
+++ b/tools/i2/_holder2.js
@@ -0,0 +1,3108 @@
+//Javascript Document
+
+if (typeof cacheVersion === 'undefined') var cacheVersion = false;
+
+function un(variable) {
+	if (typeof variable == 'undefined') {
+		return true;
+	} else if (variable == null) {
+		return true;
+	} else {
+		return false;
+	}
+}
+function def(arr) {
+	for (var d = 0; d < arr.length; d++) {
+		if (typeof arr[d] !== 'undefined') {
+			return arr[d];
+		}
+	}
+	return undefined;
+}
+function boolean(testVar, def) {
+	if (typeof testVar == 'boolean') {
+		return testVar;
+	} else {
+		return def;
+	}
+}
+function isInt(num) {
+	if (num % 1 == 0) return true;
+	return false;
+}
+/*function clone(obj) {
+	var copy;
+	if (null == obj || "object" != typeof obj)
+		return obj;
+	if (obj instanceof Date) {
+		copy = new Date();
+		copy.setTime(obj.getTime());
+		return copy;
+	}
+	if (obj instanceof Array) {
+		copy = [];
+		for (var i = 0, len = obj.length; i < len; i++) {
+			copy[i] = clone(obj[i]);
+		}
+		return copy;
+	}
+	if (obj instanceof Object) {
+		copy = {};
+		for (var attr in obj) {
+			if (obj.hasOwnProperty(attr))
+				copy[attr] = clone(obj[attr]);
+		}
+		return copy;
+	}
+	throw new Error("Unable to copy obj! Its type isn't supported.");
+}*/
+/*function clone(obj) {
+	return JSON.parse(JSON.stringify(obj,function(key,value) {
+		return (typeof value === 'function') ? value.toString() : value;
+	}));
+}*/
+function isObjectEmpty(ob) {
+	for (var key in ob) {
+		if (ob[key].hasOwnProperty() === false) continue;
+		if (!un(ob[key])) return false;
+	}
+	return true;
+}
+Array.prototype.last = function(){
+	return this[this.length - 1];
+};
+Array.prototype.isEmpty = function() {
+	for (var i = 0; i < this.length; i++) if (!un(this[i])) return false;
+	return true;
+}
+Array.prototype.ran = function () {
+    return this[Math.floor(Math.random() * this.length)]
+}
+Array.prototype.shuffle = function() {
+	for (var i = 0; i < this.length-1; i++) {
+		var j = ran(i,this.length-1);
+		if (i !== j) {
+			var elementi = this[i];
+			var elementj = this[j];
+			this.splice(i,1,elementj);
+			this.splice(j,1,elementi);
+		}
+	}
+	return this;
+}
+Array.prototype.sortOn = function(key) {
+    this.sort(function(a, b){
+        if (a[key] < b[key]) {
+            return -1;
+        } else if (a[key] > b[key]) {
+            return 1;
+        }
+        return 0;
+    });
+};
+Array.prototype.max = function() {
+  return Math.max.apply(null, this);
+};
+Array.prototype.min = function() {
+  return Math.min.apply(null, this);
+};
+if (!Array.prototype.find) { // https://tc39.github.io/ecma262/#sec-array.prototype.find
+  Object.defineProperty(Array.prototype, 'find', {
+    value: function(predicate) {
+     // 1. Let O be ? ToObject(this value).
+      if (this == null) {
+        throw new TypeError('"this" is null or not defined');
+      }
+
+      var o = Object(this);
+
+      // 2. Let len be ? ToLength(? Get(O, "length")).
+      var len = o.length >>> 0;
+
+      // 3. If IsCallable(predicate) is false, throw a TypeError exception.
+      if (typeof predicate !== 'function') {
+        throw new TypeError('predicate must be a function');
+      }
+
+      // 4. If thisArg was supplied, let T be thisArg; else let T be undefined.
+      var thisArg = arguments[1];
+
+      // 5. Let k be 0.
+      var k = 0;
+
+      // 6. Repeat, while k < len
+      while (k < len) {
+        // a. Let Pk be ! ToString(k).
+        // b. Let kValue be ? Get(O, Pk).
+        // c. Let testResult be ToBoolean(? Call(predicate, T, « kValue, k, O »)).
+        // d. If testResult is true, return kValue.
+        var kValue = o[k];
+        if (predicate.call(thisArg, kValue, k, o)) {
+          return kValue;
+        }
+        // e. Increase k by 1.
+        k++;
+      }
+
+      // 7. Return undefined.
+      return undefined;
+    },
+    configurable: true,
+    writable: true
+  });
+}
+if (typeof Array.prototype.includes == 'undefined') {
+	Array.prototype.includes = function(element) {
+		return this.indexOf(element) > -1;
+	}
+}
+function arraysEqual(array1,array2) {
+	if (typeof array1 == 'undefined' || typeof array2 == 'undefined') return false
+	if (array1.length !== array2.length) return false;
+	for (var arr = 0; arr < array1.length; arr++) {
+		if (typeof array1[arr] !== typeof array2[arr]) return false;
+		if (typeof array1[arr] == 'object' && arraysEqual(array1[arr],array2[arr]) == false) return false;
+		if (typeof array1[arr] !== 'object' && array1[arr] !== array2[arr]) return false;
+	}
+	return true;
+}
+function isEqual(a,b,recursionCount) {
+	if (un(recursionCount)) {
+		var recursionCount = 0;
+	} else {
+		recursionCount++;
+		if (recursionCount > 6) return true;
+	}
+	if (typeof a == 'undefined' || typeof b == 'undefined') return false;
+	if (typeof a !== typeof b) return;
+	if (a instanceof Array) {
+		if (b instanceof Array == false) return false;
+		if (a.length !== b.length) return false;
+		for (var i = 0, iMax = a.length; i < iMax; i++) {
+			if (!isEqual(a[i],b[i],recursionCount)) return false
+		}
+		for (var i = 0, iMax = b.length; i < iMax; i++) {
+			if (!isEqual(b[i],a[i],recursionCount)) return false
+		}
+	} else if (typeof a == 'object') {
+		if (b instanceof Array == true) return false;
+		for (var key in a) {
+			if (!a.hasOwnProperty(key)) continue;
+			if (!isEqual(a[key],b[key],recursionCount)) return false
+		}
+		for (var key in b) {
+			if (!b.hasOwnProperty(key)) continue;
+			if (!isEqual(b[key],a[key],recursionCount)) return false
+		}
+	} else if (typeof a === 'function') {
+		if (a.toString() !== b.toString()) return false;
+	} else {
+		if (a !== b) return false;
+	}
+	return true;
+}
+if (typeof CanvasRenderingContext2D.prototype.ellipse == 'undefined') {
+	CanvasRenderingContext2D.prototype.ellipse = function(cx, cy, rx, ry, rot, aStart, aEnd) { 
+		this.save();
+		this.translate(cx, cy);
+		this.rotate(rot);
+		this.translate(-rx, -ry);
+
+		this.scale(rx, ry);
+		this.arc(1, 1, 1, aStart, aEnd, false);
+		this.restore();
+	}
+}
+if (un(window.requestIdleCallback)) {
+	window.requestIdleCallback = function (cb) {
+		var start = Date.now();
+		return setTimeout(function () {
+			cb({
+				didTimeout: false,
+				timeRemaining: function () {
+					return Math.max(0, 50 - (Date.now() - start));
+				}
+			});
+		}, 1);
+	};
+	window.cancelIdleCallback = function (id) {
+		clearTimeout(id);
+	}
+}
+
+function mapArray(array,includeAll) {
+	var mapString = '';
+	var map = [];
+	
+	/*if (includeAll === false) {
+		for (var i = 0; i < array.length; i++) {
+			for (var j = 0; j < array[i].length; j++) {
+				if (typeof array[i][j].markupTag == 'undefined' || array[i][j].markupTag == false) {
+					console.log(i,j, JSON.stringify(array[i][j]));
+				}
+			}
+		}
+	}*/
+	
+	function mapArray2(array,includeAll) {
+		for (var aa = 0; aa < array.length; aa++) {
+			if (typeof array[aa] !== 'undefined') {
+				if (typeof array[aa].left == 'undefined' && typeof array[aa] !== 'boolean') {
+					if (mapString == '') {mapString = String(aa)} else {mapString = mapString + ',' + String(aa)}
+					mapArray2(array[aa], includeAll);
+				} else if (includeAll == true || typeof array[aa].markupTag == 'undefined' || array[aa].markupTag == false) {
+					if (mapString == '') {mapString = String(aa)} else {mapString = mapString + ',' + String(aa)}
+					var mapArr = mapString.split(',');
+					for (var bb = 0; bb < mapArr.length; bb++) {mapArr[bb] = Number(mapArr[bb])}
+					map.push(mapArr);
+					mapString = mapString.slice(0, mapString.lastIndexOf(',') - mapString.length);
+				}
+			}
+		}
+		mapString = mapString.slice(0, mapString.lastIndexOf(',') - mapString.length);
+	}	
+	
+	for (var aa = 0; aa < array.length; aa++) {
+		if (typeof array[aa] !== 'undefined') {
+			if (typeof array[aa].left == 'undefined') {
+				if (mapString == '') {mapString = String(aa)} else {mapString = mapString + ',' + String(aa)}
+				mapArray2(array[aa], includeAll);
+			} else if (includeAll == true || typeof array[aa].markupTag == 'undefined' || array[aa].markupTag == false) {
+				if (mapString == '') {mapString = String(aa)} else {mapString = mapString + ',' + String(aa)}
+				var mapArr = mapString.split(',');
+				for (var bb = 0; bb < mapArr.length; bb++) {mapArr[bb] = Number(mapArr[bb])}
+				map.push(mapArr);
+			}
+			mapString = '';
+		}
+	}
+
+	return map;
+}
+var arrayString = '';
+function loop(obj,func,recursive) {
+	// eg.
+	//	loop(
+	//		{a:1,b:2,c:['q','r',function(){},{g:true,h:false}],d:{x:11,y:12}},
+	//		function(obj,key) {console.log(obj,key)}
+	//	);
+	// // recursive is true by default
+	
+    if (obj instanceof Array) {
+		for (var i = 0; i < obj.length; i++) {
+			if (boolean(recursive,true) == true && (obj[i] instanceof Array || typeof obj[i] == 'object')) {
+				loop(obj[i],func,recursive);
+			} else {
+				func(obj[i],i);
+			}
+		}
+	} else if (typeof obj == 'object') {
+		for (var i in obj) {
+			if (boolean(recursive,true) == true && (obj[i] instanceof Array || typeof obj[i] == 'object')) {
+				loop(obj[i],func,recursive);
+			} else {
+				func(obj[i],i);
+			}
+		}		
+	}
+}
+function getSortOrder(arr) {
+	var toSort = clone(arr);
+	for (var i = 0; i < toSort.length; i++) toSort[i] = [toSort[i], i];
+	toSort.sort(function(left, right) {return left[0] < right[0] ? -1 : 1;});
+	var sortIndices = [];
+	for (var j = 0; j < toSort.length; j++) sortIndices.push(toSort[j][1]);
+	return sortIndices;
+}
+function copyProperties(from,to,exceptions) {
+	if (un(exceptions)) exceptions = [];
+	if (un(to)) to = {};
+	for (var key in from) {
+		if (exceptions.includes(key) || isElement(from[key]) || key.indexOf("_") == 0) continue;
+		to[key] = clone(from[key]);
+	}
+	return to;
+}
+
+
+if (typeof scriptsToLoad == 'undefined') {
+	var scriptsToLoad = [
+		'_algebra.js',
+		'_drawMathsText.js',
+		'_mathsInput.js',
+		'_grid2.js',
+		'_keyboard.js',
+		'_text2.js',
+		'_textEdit.js',
+		'_draw.js',
+		'_draw2.js',
+		'_miscFuncs.js',
+		'Notifier.js',
+		'timeme.min.js',
+		'clone.js',
+		'_draw3.js'
+	];
+}
+if (scriptsToLoad.includes('clone.js') == false) scriptsToLoad.unshift('clone.js');
+if (scriptsToLoad.includes('_draw3.js') == false) scriptsToLoad.push('_draw3.js');
+var loadedScriptCount = 0;
+var pageIndex = 0;
+
+if (typeof FontFace !== 'undefined') {
+	addFont('Hobo', 'url(fonts/hobo-webfont.woff)');
+	addFont('segoePrint', 'url(fonts/segeo-print-webfont.woff)');
+	addFont('smileyMonster', 'url(fonts/smileymonster.woff)');
+	function addFont(name,url) {
+		var font = new FontFace(name,url,{style:'normal',weight:'normal'});
+		document.fonts.add(font);
+		font.load();
+	}
+}
+
+if (!Array.from) { // Production steps of ECMA-262, Edition 6, 22.1.2.1
+  Array.from = (function () {
+    var toStr = Object.prototype.toString;
+    var isCallable = function (fn) {
+      return typeof fn === 'function' || toStr.call(fn) === '[object Function]';
+    };
+    var toInteger = function (value) {
+      var number = Number(value);
+      if (isNaN(number)) { return 0; }
+      if (number === 0 || !isFinite(number)) { return number; }
+      return (number > 0 ? 1 : -1) * Math.floor(Math.abs(number));
+    };
+    var maxSafeInteger = Math.pow(2, 53) - 1;
+    var toLength = function (value) {
+      var len = toInteger(value);
+      return Math.min(Math.max(len, 0), maxSafeInteger);
+    };
+
+    // The length property of the from method is 1.
+    return function from(arrayLike/*, mapFn, thisArg */) {
+      // 1. Let C be the this value.
+      var C = this;
+
+      // 2. Let items be ToObject(arrayLike).
+      var items = Object(arrayLike);
+
+      // 3. ReturnIfAbrupt(items).
+      if (arrayLike == null) {
+        throw new TypeError('Array.from requires an array-like object - not null or undefined');
+      }
+
+      // 4. If mapfn is undefined, then let mapping be false.
+      var mapFn = arguments.length > 1 ? arguments[1] : void undefined;
+      var T;
+      if (typeof mapFn !== 'undefined') {
+        // 5. else
+        // 5. a If IsCallable(mapfn) is false, throw a TypeError exception.
+        if (!isCallable(mapFn)) {
+          throw new TypeError('Array.from: when provided, the second argument must be a function');
+        }
+
+        // 5. b. If thisArg was supplied, let T be thisArg; else let T be undefined.
+        if (arguments.length > 2) {
+          T = arguments[2];
+        }
+      }
+
+      // 10. Let lenValue be Get(items, "length").
+      // 11. Let len be ToLength(lenValue).
+      var len = toLength(items.length);
+
+      // 13. If IsConstructor(C) is true, then
+      // 13. a. Let A be the result of calling the [[Construct]] internal method 
+      // of C with an argument list containing the single item len.
+      // 14. a. Else, Let A be ArrayCreate(len).
+      var A = isCallable(C) ? Object(new C(len)) : new Array(len);
+
+      // 16. Let k be 0.
+      var k = 0;
+      // 17. Repeat, while k < len… (also steps a - h)
+      var kValue;
+      while (k < len) {
+        kValue = items[k];
+        if (mapFn) {
+          A[k] = typeof T === 'undefined' ? mapFn(kValue, k) : mapFn.call(T, kValue, k);
+        } else {
+          A[k] = kValue;
+        }
+        k += 1;
+      }
+      // 18. Let putStatus be Put(A, "length", len, true).
+      A.length = len;
+      // 20. Return A.
+      return A;
+    };
+  }());
+}
+function hasDuplicates(array) {
+    var valuesSoFar = [];
+    for (var i = 0; i < array.length; ++i) {
+        var value = array[i];
+        if (valuesSoFar.indexOf(value) !== -1) {
+            return true;
+        }
+        valuesSoFar.push(value);
+    }
+    return false;
+}
+
+function printCanvases(arr) {  // needs cross-browser testing
+	var data = [];
+    var windowContent = '<!DOCTYPE html>';
+    windowContent += '<html>';
+    windowContent += '<head><title>Print Worksheet</title><style type="text/css" media="print">';
+    windowContent += '@page {size:auto; margin: 0mm;}';
+    windowContent += 'html {background-color: #FFFFFF; margin: 0px;}';
+    windowContent += 'body {margin-left: 10mm; margin-right: 10mm;}';
+    windowContent += '.pageimg {page-break-after: always; margin-top: 10mm; margin-bottom: 10mm;}';
+    windowContent += '</style></head>';
+    windowContent += '<body>'
+	for (var i = 0; i < arr.length; i++) {
+		data[i] = arr[i].toDataURL();
+		windowContent += '<img class="pageimg" src="' + data[i] + '" width="100%">';
+	}
+    windowContent += '</body>';
+    windowContent += '</html>';
+    var printWin = window.open();
+    printWin.document.open();
+    printWin.document.write(windowContent);
+	printWin.document.addEventListener('load', function() {
+		printWin.focus();
+		printWin.print();
+		//printWin.document.close();
+		//printWin.close();
+		//printWin.onfocus = function () {printWin.close();}
+		setTimeout(function() {
+			printWin.document.close();
+			printWin.close();
+		},500);
+	}, true);
+}
+
+function getHighestZIndex() {
+	var elems = container.childNodes;
+	var highest = 0;
+	for (var i = 0; i < elems.length; i++) {
+		if (elems[i].nodeType !== 1) continue;
+		var zIndex = Number(elems[i].style.zIndex);
+		if ((zIndex > highest) && (zIndex != 'auto')) highest = zIndex;
+	}
+	return highest;
+}
+function getNodes() {
+	var elems = container.childNodes;
+	var obj = [];
+	for (var i = 0; i < elems.length; i++) {
+		if (elems[i].nodeType !== 1) continue;
+		var zIndex = Number(elems[i].style.zIndex);
+		var rect = [];
+		if (!un(elems[i].data)) {
+			rect[0] = elems[i].data[100];
+			rect[1] = elems[i].data[101];
+			rect[2] = elems[i].data[102];
+			rect[3] = elems[i].data[103];
+		}
+		var opacity = elems[i].style.opacity;
+		var pointerEvents = elems[i].style.pointerEvents == 'auto' ? true : false;
+		obj.push({zIndex:zIndex,node:elems[i],rect:rect,opacity:opacity,pointerEvents:pointerEvents});
+	}
+	obj.sort(function(a,b) {
+		return a.zIndex - b.zIndex;
+	});
+	return obj;
+}
+
+function funcLog() {
+	augment(function(name, fn) {
+    	console.log("fn " + name);
+	});
+}
+function augment(withFn) {
+    var name, fn;
+    for (name in window) {
+        fn = window[name];
+		var exceptions = ['mouseCoordsChange', 'xWindowToCanvas', 'yWindowToCanvas', 'xCanvasToWindow','yCanvasToWindow', 'setTimeout', 'clearTimeout', 'dragMove', 'pointerEventsListen', 'hitTestMouseOver', 'mathsInputCursorBlink', 'drawMathsInputText', 'drawMathsText', 'mapArray', 'removeTags', 'buildArray', 'clearCorrectingInterval', 'logMe', 'boolean', 'replaceAll', 'showObj', 'dist', 'distancePointToLineSegment', 'closestPointOnLineSegment', 'escapeRegExp', 'resizeCanvas', 'arraysEqual','def','un','resizeCanvas3','updateMouse','addListener','createCanvas','newctx','clone','addEventListener','addListenerStart','addListenerEnd','resize','showObj','hideObj','removeEventListener','addListenerMove','clearCanvas','active','inactive','stopDefaultBackspaceBehaviour'];
+        if (typeof fn === 'function' && exceptions.indexOf(name) == -1) {
+            window[name] = (function(name, fn) {
+                var args = arguments;
+                return function() {
+                    withFn.apply(this, args);
+                    return fn.apply(this, arguments);
+                }
+            })(name, fn);
+        }
+    }
+}
+//funcLog();
+
+var mainCanvasLeft = 0;
+var mainCanvasTop = 0;
+var mainCanvasWidth = 1200;
+var mainCanvasHeight = 700;
+var mainCanvasMargins = [0,0,0,0]; //l,t,r,b - used in teach: edit mode
+var canvasDisplayLeft = 0;
+var canvasDisplayTop = 0;
+if (typeof mainCanvasBorderWidth == 'undefined') var mainCanvasBorderWidth = 10;
+if (typeof mainCanvasFillStyle == 'undefined') var mainCanvasFillStyle = mainCanvasFillStyle || '#FFC';
+var mainCanvasMode = 'full';
+
+var pi = String.fromCharCode(0x03C0);
+var times = String.fromCharCode(0x00D7);
+var divide = String.fromCharCode(0x00F7);
+var degrees = String.fromCharCode(0x00B0);
+var infinity = String.fromCharCode(0x221E);
+var lessThanEq = String.fromCharCode(0x2264);
+var moreThanEq = String.fromCharCode(0x2265);
+var notEqual = String.fromCharCode(0x2260);
+var theta = String.fromCharCode(0x03B8);
+var plusMinus = String.fromCharCode(0x00B1);
+var minusPlus = String.fromCharCode(0x2213);
+var tab = String.fromCharCode(0x21F4);
+var br = String.fromCharCode(0x23CE);
+
+var key1 = [];
+var key1Data = [];
+
+var mouse = {x:0, y:0};
+function updateMouse(e) {
+	if (un(e)) return;
+	if (e.touches) {
+		if (un(e.touches[0])) return;
+		var x = e.touches[0].pageX;
+		var y = e.touches[0].pageY;
+	} else {
+		var x = e.clientX || e.pageX;
+		var y = e.clientY || e.pageY;
+	}
+	
+	if (!un(draw) && !un(draw.div)) {
+		var bounds = draw.drawCanvas[0].getBoundingClientRect();
+		mouse.x = (x - bounds.left) * (1200 / bounds.width);
+		mouse.y = (y - bounds.top) * (1700 / bounds.height);
+		draw.mouse = [mouse.x,mouse.y];
+	} else {
+		mouse.x = xWindowToCanvas(x);
+		mouse.y = yWindowToCanvas(y);
+		if (!un(draw) && !un(draw.drawRelPos)) {
+			draw.mouse = canvasPosToDrawPos([mouse.x,mouse.y]);
+		}
+	}
+}
+function canvasPosToDrawPos(pos) {
+	if (un(draw)) return pos;
+	return [
+		(pos[0]-draw.drawRelPos[0])/draw.scale,
+		(pos[1]-draw.drawRelPos[1])/draw.scale
+	];
+}
+function drawPosToCanvasPos(pos) {
+	if (un(draw)) return pos;
+	return [
+		pos[0]*draw.scale+draw.drawRelPos[0],
+		pos[1]*draw.scale+draw.drawRelPos[1]
+	];
+}
+
+var dragObject = [];
+var dragObjectData = [];
+var currentDragId;
+var dragOffset = {x:0, y:0};
+var dragArea = {xMin:0,	xMax:0, yMin:0,	yMax:0};
+
+var currMathsInput;
+var currMathsInputId;
+var mathsInputCursorBlinkInterval;
+var mathsInputCursorState;
+var mathsInputCursor = {x:0, top:0, bottom:0}
+var charMap = [[42,215,215], [48,48,41], [49,49,33], [50,50,34], [51,51,163], [52,52,36], [53,53,37], [54,54,94], [55,55,38], [56,56,215], [57,57,40], [96,48,48], [97,49,49], [98,50,50], [99,51,51], [100,52,52], [101,53,53], [102,54,54], [103,55,55], [104,56,56], [105,57,57], [106,215,215], [107,43,43], [109,189,189], [110,190,190], [111,191,191], [186,59,58], [187,61,43], [188,44,60], [189,45,95], [190,46,62], [191,247,63], [192,39,64], [219,91,123], [220,92,124], [221,93,125], [222,35,126]];
+var endInputExceptions = [];
+var currSlider;
+var slider = [];
+var draw;
+var keyboard = [];
+var keyboardData = [];
+var keyboardVis = [];
+var showKeys = [];
+var hideKeys = [];
+var zIndexFront = 1000;
+
+var canvases = [[]];
+var mathsInput = [[]];
+
+var container = document.getElementById('canvascontainer');
+var canvas = document.getElementById('canvas');
+var ctx = canvas.getContext('2d');
+
+var canvasDisplayRect;
+var canvasDisplayWidth;
+var canvasDisplayHeight;
+var canvasMetrics = canvas.getBoundingClientRect();
+
+var openhand = 'url("cursors/openhand.cur"), auto';
+var closedhand = 'url("cursors/closedhand.cur"), auto';
+
+var logPointerEvents = false;
+window.addEventListener("touchstart", function (e) {
+	updateMouse(e);
+	if (un(e.target.allowDefault) || e.target.allowDefault == false) e.preventDefault();
+	if (logPointerEvents)
+		console.log('touchstart', e.target);
+}, true);
+window.addEventListener("touchmove", function (e) {
+	updateMouse(e);
+	if (un(e.target.allowDefault) || e.target.allowDefault == false) e.preventDefault();
+	if (logPointerEvents)
+		console.log('touchmove', e.target);
+}, true);
+window.addEventListener("touchend", function (e) {
+	if (un(e.target.allowDefault) || e.target.allowDefault == false) e.preventDefault();
+	if (logPointerEvents)
+		console.log('touchend', e.target);
+}, true);
+window.addEventListener("pointerstart", function (e) {
+	if (un(e.target.allowDefault) || e.target.allowDefault == false) e.preventDefault();
+	if (logPointerEvents) console.log('pointerstart');
+}, true);
+window.addEventListener("pointermove", function (e) {
+	if (un(e.target.allowDefault) || e.target.allowDefault == false) e.preventDefault();
+	//if (logPointerEvents) console.log('pointermove');
+}, true);
+window.addEventListener("pointerend", function (e) {
+	if (un(e.target.allowDefault) || e.target.allowDefault == false) e.preventDefault();
+	if (logPointerEvents) console.log('pointerend');
+}, true);
+window.addEventListener("mousedown", function (e) {
+	updateMouse(e);
+	if (e.target.allowDefault === true) return;
+	e.preventDefault();
+	if (logPointerEvents) console.log('mousedown');
+}, true);
+window.addEventListener("mousemove", function (e) {
+	updateMouse(e);
+	if (un(e.target.allowDefault) || e.target.allowDefault == false) e.preventDefault();
+	if (logPointerEvents)
+		console.log('mousemove');
+}, true);
+window.addEventListener("mouseup", function (e) {
+	if (e.target.allowDefault === true) return;
+	e.preventDefault();
+	if (logPointerEvents) console.log('mouseup');
+}, true);
+
+window.addEventListener('resize', resize, false);
+window.addEventListener('orientationchange', resize, false);
+window.addEventListener('keydown', stopDefaultBackspaceBehaviour, false);
+//window.addEventListener('mousemove', updateMouse, false);
+//window.addEventListener('touchstart', updateMouse, false);
+//window.addEventListener('touchmove', updateMouse, false);
+var foc = true;
+var blinking = false;
+window.addEventListener('focus', function () {
+	foc = true;
+	if (blinking == true) {
+		setTimeout(function () {
+			mathsInputCursorBlinkInterval = setCorrectingInterval(function () {
+					mathsInputCursorBlink()
+				}, 600);
+		}, 100);
+	}
+});
+window.addEventListener('blur', function () {
+	foc = false;
+	if (blinking == true) {
+		clearCorrectingInterval(mathsInputCursorBlinkInterval);
+		inputCursorState = false;
+		drawMathsInputText(currMathsInput);
+	}
+	if (typeof currMathsInput !== 'undefined')
+		endMathsInput();
+});
+var makePDFLoaded = false;
+function loadMakePDF(callback) {
+	if (makePDFLoaded == false) {
+		makePDFLoaded = true;
+		window.callback = callback;
+		loadScript('pdfmake.min.js',loadMakePDF2);
+	} else {
+		callback();
+	}	
+}
+function loadMakePDF2() {
+	var callback = window.callback;
+	delete window.callback;
+	loadScript('vfs_fonts.js',callback);
+}
+
+/*window.addEventListener('touchstart',touchPreventDefault,false);
+window.addEventListener('touchmove',touchPreventDefault,false);
+window.addEventListener('touchend',touchPreventDefault,false);
+var touchPreventDefault = function(e) {
+	e.preventDefault;
+}
+
+var isMobile = {
+	Android: function () {
+		return navigator.userAgent.match(/Android/i);
+	},
+	BlackBerry: function () {
+		return navigator.userAgent.match(/BlackBerry/i);
+	},
+	iOS: function () {
+		return navigator.userAgent.match(/iPhone|iPad|iPod/i);
+	},
+	Opera: function () {
+		return navigator.userAgent.match(/Opera Mini/i);
+	},
+	Windows: function () {
+		return navigator.userAgent.match(/IEMobile/i) || navigator.userAgent.match(/WPDesktop/i);
+	},
+	any: function () {
+		return (isMobile.Android() || isMobile.BlackBerry() || isMobile.iOS() || isMobile.Opera() || isMobile.Windows());
+	}
+}
+if (isMobile.any()) {
+	document.getElementsByTagName("head")[0].innerHTML += '<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">'
+	document.ontouchmove = function (event) {
+		event.preventDefault()
+	}
+}
+*/
+
+if (isTask == true) {
+	var page = [];
+	if (boolean(window.sortPages,true) == true) {
+		pages.sort(function(a,b) {
+			return Number(a.order) - Number(b.order);
+		});
+	}
+	//pages.reverse();
+	prevPages.sort(function(a,b) {
+		var d1 = new Date(a.timestamp).getTime();
+		var d2 = new Date(b.timestamp).getTime();
+		return d2-d1;
+	});
+	for (var i = 0; i < prevPages.length; i++) {
+		if (Number(prevPages[i].percentage < 100)) continue;
+		var pageId = Number(prevPages[i].pageid);
+		for (var j = 0; j < pages.length; j++) {
+			if (Number(pages[j].pageid) == pageId) {
+				if (un(pages[j].prev)) {
+					pages[j].prev = prevPages[i].timestamp;
+				}
+				break;
+			}
+		}
+	}
+}
+
+if (typeof FontFace !== 'undefined') {
+	document.fonts.ready.then(function(res) {
+		//console.log(document.fonts.size, 'FontFaces loaded.');
+		//console.log('result',res);
+		loadScripts1();
+	}, function(err) {
+		//console.log('error',err);
+		loadScripts1();
+	});
+} else {
+	loadScripts1();
+}
+
+function loadScripts1() {
+	for (var i = 0; i < scriptsToLoad.length; i++) {
+		loadScript(scriptsToLoad[i], scriptLoaded);
+	}
+}
+function loadScript(url, callback, errorCallback, index) {
+	if (un(errorCallback)) errorCallback = function() {};
+	var head = document.getElementsByTagName('head')[0];
+	var script = document.createElement('script');
+	script.type = 'text/javascript';
+	script.charset = "UTF-8";
+	var url2 = typeof cacheVersion === 'string' ? url + '?' + cacheVersion : url;
+	script.src = url2;
+	script.index = index;
+	script.onload = function() {
+		if (!un(callback)) callback(this.index);
+	};
+	script.onerror = function() {
+		if (!un(errorCallback)) errorCallback(this.index);
+	};
+	head.appendChild(script);
+}
+function scriptLoaded() {
+	loadedScriptCount++;
+	if (loadedScriptCount >= scriptsToLoad.length) {
+		clearCanvas();
+		if (boolean(isTask,true) == true) {
+			window.holder = createHolder();
+			showPage(0);
+		} else {
+			if (!un(scriptsToLoad2)) {
+				for (var i = 0; i < scriptsToLoad2.length; i++) {
+					loadScript(scriptsToLoad2[i]);
+				}
+			}
+		}
+		resize();
+		if (isTask == true) {
+			TimeMe.initialize({
+				currentPageName: "page",
+				idleTimeoutInSeconds: idleTimeoutInSeconds
+			});
+			TimeMe.callWhenUserLeaves(function(){
+				inactive();
+			});
+			TimeMe.callWhenUserReturns(function(){
+				active();
+			});
+			if (typeof taskLogData == 'undefined') return;
+			if (Number(taskLogData.status) < 3) {
+				TimeMe.callAfterTimeElapsedInSeconds(reportIntervalInSeconds,reportHandler);
+			}
+		}
+	}
+}
+var inactiveBox;
+
+function openPHP(url,postVars) {
+    var form = document.createElement("form");
+    form.target = "_blank";
+    form.method = "POST";
+    form.action = url;
+    form.style.display = "none";
+
+    for (var key in postVars) {
+        var input = document.createElement("input");
+        input.type = "hidden";
+        input.name = key;
+        input.value = encodeURIComponent(postVars[key]);
+        form.appendChild(input);
+    }
+
+    document.body.appendChild(form);
+    form.submit();
+    document.body.removeChild(form);
+}
+
+if (isTask == true) {
+	var pointsMode = false;
+	
+	var pageLoadErrorCount = 0;
+	var faded = false;
+	function createInactiveBox() {
+		inactiveBox = document.createElement('canvas');	
+		inactiveBox.width = 400;
+		inactiveBox.height = 120;
+		inactiveBox.setAttribute('position', 'absolute');
+		inactiveBox.setAttribute('cursor', 'auto');
+		inactiveBox.setAttribute('draggable', 'false');
+		inactiveBox.setAttribute('class', 'buttonClass');
+		
+		var ctx = inactiveBox.getContext('2d');
+		ctx.lineCap = "round";
+		ctx.lineJoin = "round";
+		ctx.clearRect(0, 0, 400, 120);
+		ctx.fillStyle = "#FFF";
+		ctx.strokeStyle = "#000";
+		ctx.lineWidth = 6;
+		ctx.beginPath();
+		ctx.moveTo(3, 3);
+		ctx.lineTo(397, 3);
+		ctx.lineTo(397, 117);
+		ctx.lineTo(3, 117);
+		ctx.lineTo(3, 3);
+		ctx.closePath();
+		ctx.fill();
+		ctx.stroke();
+		ctx.font = "80px Hobo";
+		ctx.textAlign = "center";
+		ctx.textBaseline = "middle";
+		ctx.fillStyle = "#000";
+		ctx.fillText('Inactive', 200, 66);
+		inactiveBox.style.pointerEvents = 'default';
+		inactiveBox.style.cursor = 'default';
+		inactiveBox.style.zIndex = 900000000;
+		resize();
+		return inactiveBox;
+	}	
+	
+	//*
+	var idleTimeoutInSeconds = 2*60;
+	var reportIntervalInSeconds = 4*60;
+	function reportHandler() {
+		if (Number(taskLogData.status) == 3 || userType !== 0) return;
+		logTime();
+		if (un(TimeMe)) return;
+		clearReportTimeouts();
+		var time = Math.round(TimeMe.getTimeOnPageInSeconds('page'));
+		TimeMe.callAfterTimeElapsedInSeconds(time+reportIntervalInSeconds,reportHandler);
+	}
+	function clearReportTimeouts() {
+		for (var i = TimeMe.timeElapsedCallbacks.length - 1; i >= 0; i--) {
+			TimeMe.timeElapsedCallbacks[i].pending = false;
+		}
+	}
+	
+	function active(e) {
+		/*unfadePage();
+		/if (!un(inactiveBox)) {
+			if (inactiveBox.parentNode == container) {
+				container.removeChild(inactiveBox);
+			}
+		}*/
+		removeListenerStart(window,active);
+		//console.log('active');	
+	}
+	function inactive() {
+		/*fadePage();
+		if (un(inactiveBox)) inactiveBox = createInactiveBox();
+		container.appendChild(inactiveBox);*/
+		addListenerStart(window,active);
+		//console.log('inactive');
+	}	
+	
+	function logTime() {
+		if (userType !== 0) return;
+		if (Number(taskLogData.percentage) == 100 || Number(taskLogData.status) == 3) {
+			clearReportTimeouts();
+			return;
+		}
+		var timeSpent = Math.round(TimeMe.getTimeOnPageInSeconds('page')/60);
+		var browserInfo = getBrowserInfo();
+		var params = "tasksLogId="+taskLogData.taskNumber+"&timeSpent="+timeSpent+"&browserInfo="+browserInfo;
+		//console.log('logTime params: ', params);
+		var sendReportX = new XMLHttpRequest();
+		sendReportX.open("post", "_logTime.php", true);
+		sendReportX.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
+		sendReportX.errorCallback = function() {};
+		sendReportX.onreadystatechange = function() {
+			if (this.readyState == 4) {
+				if (this.status !== 200) {
+					if (typeof this.errorCallback == 'function') this.errorCallback();
+					return;
+				}
+				//console.log('logTime sent');
+				//reportHandler();
+			} 
+		}
+		sendReportX.send(params);
+	}		
+	
+	//*/
+	
+	/*
+	var inactiveAfter = 300;
+	var inactiveStartTime;
+	var inactiveTime = 0;
+	var isActive = true;
+	var startTime = new Date();
+	var activityMonitor = setTimeout(function(){inactive()}, inactiveAfter*1000);
+
+	window.addEventListener('mouseup', active, false);
+	window.addEventListener('touchend', active, false);
+	window.addEventListener('mousedown', active, false);
+	window.addEventListener('touchstart', active, false);
+	window.addEventListener('keydown', active, false);
+	window.addEventListener('blur', inactive, false);
+	
+	function active(event) {
+		if (!un(event) && event.target.nodeName !== 'TEXTAREA') event.preventDefault();
+		if (isTask == true) {
+			clearTimeout(activityMonitor);
+			activityMonitor = setTimeout(function(){inactive()}, inactiveAfter*1000);
+			if (isActive == false && pageIndex !== pages.length) {
+				isActive = true;
+				var currentTime = new Date();
+				inactiveTime += (currentTime - inactiveStartTime);
+				if (inactiveBox.parentNode == container) container.removeChild(inactiveBox);
+				unfadePage();
+			}
+		}
+	}	
+	function inactive() {
+		clearTimeout(activityMonitor);
+		isActive = false;
+		inactiveStartTime = new Date();
+		if (boolean(window.logPages,false) == false) {
+			fadePage();
+			if (un(inactiveBox)) inactiveBox = createInactiveBox();
+			container.appendChild(inactiveBox);
+		}
+	}
+	
+	function getTimeSpent() {
+		var currentTime = new Date();
+		var ms = currentTime - startTime - inactiveTime;
+		return Math.floor(ms/1000);	
+	}
+	function getTime() {
+		var currentTime = new Date();
+		var timeSpent = currentTime - startTime - inactiveTime;
+		timeSpent /= 60000;
+		return Math.round(timeSpent+Number(taskLogData.prevTime));
+	}	
+	
+	function logTime() {
+		if (userType !== 0) return;
+		if (Number(taskLogData.percentage) == 100 || Number(taskLogData.status) == 3) {
+			clearTimeout(minuteCounter);
+			return;
+		}
+		if (isActive == true) {
+			var timeSpent = getTime();
+			var browserInfo = getBrowserInfo();
+			var params = "tasksLogId="+taskLogData.taskNumber+"&time="+timeSpent+"&inactiveTime="+inactiveTime+"&browserInfo="+browserInfo;
+			//console.log('logTime params: ', params);
+			var sendReportX = new XMLHttpRequest();
+			sendReportX.open("post", "_logTime.php", true);
+			sendReportX.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
+			sendReportX.onload = function() {
+				//var response = (this.responseText).split(';');
+				//console.log('logTime response: ', this.responseText);
+				taskLogData.totalTime = this.responseText;
+				connectionErrorMessage = 0;
+			}
+			sendReportX.onreadystatechange = function() {
+				if (sendReportX.readyState == 4 && sendReportX.status !== 200 && connectionErrorMessage == 0) {
+					alert('Error connecting to the MathsPad database. Your results may not be logged. Check your internet connection.');
+					connectionErrorMessage = 1;
+				} 
+			}
+			sendReportX.send(params);
+		}
+		clearTimeout(minuteCounter);
+		minuteCounter = setTimeout(function(){logTime()}, 4*60000);	
+	}	
+	if (userType == 0) {
+		taskLogData.prevTime = taskLogData.totalTime;
+		taskLogData.prevStatus = taskLogData.status;
+		taskLogData.prevPercentage = taskLogData.percentage;
+		var connectionErrorMessage;
+		var minuteCounter = setTimeout(function(){logTime()}, 4*60000);
+	}	
+	//*/
+	
+	function fadePage() {
+		if (faded == true) return;
+		var nodes = container.childNodes;
+		for (var n = 0; n < nodes.length; n++) {
+			if (nodes[n].nodeType !== 1 || nodes[n] == inactiveBox) continue;
+			nodes[n].savedOpacity = nodes[n].style.opacity;
+			nodes[n].style.opacity = 0.5;
+		}
+		faded = true;
+	}
+	function unfadePage() {
+		var nodes = container.childNodes;
+		for (var n = 0; n < nodes.length; n++) {
+			if (nodes[n].nodeType !== 1) continue;
+			var opacity = !un(nodes[n].savedOpacity) ? nodes[n].savedOpacity : 1;
+			nodes[n].style.opacity = opacity;
+			delete nodes[n].savedOpacity;
+		}
+		faded = false;
+	}
+	
+	function createHolder() {
+		var prev = playButton(20,20,50,prevPage,{dir:'left',fillColor:'#3FF',lineWidth:4,radius:8,zIndex:1000});
+		var next = playButton(1200-20-50,20,50,nextPage,{dir:'right',fillColor:'#3FF',lineWidth:4,radius:8,zIndex:1000});
+		var reload = newctx({rect:[1200-130,20,50,50],pe:true,zIndex:1000});
+		addListener(reload.canvas,reloadPage);
+		drawRefreshButton(reload,4,4,42,'#C9F','left');
+		var canvas = newctx({rect:[0,0,1200,700],z:1}).canvas;
+		showObj(canvas);
+		var check = newctx({rect:[1200-340,20,200,50],pe:true,z:10000000}).canvas;
+		text({ctx:check.ctx,textArray:['<<fontSize:32>><<font:Hobo>>Check Answer'],left:2,top:2,width:196,height:46,align:'center',vertAlign:'middle',box:{type:'loose',borderColor:'#000',borderWidth:4,radius:8,color:'#6F9'}});
+		addListenerEnd(check,checkPage);
+		var home2 = newctx({rect:[712,555,386,80],pe:true,zIndex:1000}).canvas;
+		text({ctx:home2.ctx,rect:[2,2,382,76],text:['<<font:Hobo>><<fontSize:32>>Return to My Profile    '],align:'right',vertAlign:'middle',box:{type:'loose',borderColor:'#000',borderWidth:4,color:'#FFF',radius:8},allowSpaces:true});
+		var home = newctx({rect:[80,20,50,50],pe:true,zIndex:1000}).canvas;
+		roundedRect2(home.ctx,2,2,46,46,8,4,'#000','#FFF');
+		var homeImage = new Image;
+		homeImage.onload = function() {
+			holder.home.ctx.drawImage(homeImage, 4.5, 4, 42, 42);
+			
+			var image = holder.home.ctx.getImageData(0, 0, 500, 200);
+			var imageData = image.data,
+			length = imageData.length;
+			for (var i=0; i < length; i+=4) {
+				if (imageData[i] == 255 && imageData[i+1] == 255 && imageData[i+2] == 255) imageData[i+3] = 50;
+			}
+			image.data = imageData;
+			
+			roundedRect2(home.ctx,2,2,46,46,8,4,'#000','#FFF');			
+			holder.home.ctx.putImageData(image, 0, 0);
+			roundedRect2(holder.home.ctx,2,2,46,46,8,4,'#000');
+			
+			holder.home2.ctx.drawImage(homeImage, 12, 8, 42*1.5, 42*1.5);
+		}
+		homeImage.src = "/Images/logoSmall.PNG";
+		var loading = newctx({pe:true,z:1000000}).canvas;
+		loading.style.cursor = 'default';
+		textBox(loading.ctx,[425,295,350,110],['<<fontSize:56>><<font:Hobo>>Loading...'],'#3FF');
+		var disablePeCanvas = newctx({pe:true,zIndex:1000000000000}).canvas;
+		disablePeCanvas.style.cursor = 'default';
+		var summary = newctx().canvas;
+		var summary2 = newctx({z:3}).canvas;
+		return {prev:prev,next:next,reload:reload.canvas,canvas:canvas,check:check,home:home,loading:loading,feedback:[],feedbackButton:[],completed:[],disablePeCanvas:disablePeCanvas,summary:summary,summary2:summary2,home2:home2};
+	}
+	function prevPage() {
+		if (pageIndex == 0) return;
+		hidePage();
+		pageIndex--;
+		showPage();
+	}
+	function nextPage() {
+		if (pageIndex == pages.length - 1) return;
+		hidePage();
+		pageIndex++;
+		showPage();
+	}
+	function goToPage(num) {
+		if (un(num)) num = pages.length - 1;
+		if (num < 0 || num > pages.length-1) return;
+		hidePage();
+		pageIndex = roundToNearest(num,1);
+		showPage();		
+	}
+	function hidePage() {
+		endMathsInput();
+		unfadePage();
+		keyboardHardOpen = false;
+		hideKeyboard2();
+		if (pageIndex < pages.length) {
+			for (var c = 0; c < canvases[pageIndex].length; c++) {
+				if (canvases[pageIndex][c].parentNode == container) {
+					container.removeChild(canvases[pageIndex][c]);
+				}
+			}
+			for (var m = 0; m < mathsInput[pageIndex].length; m++) {
+				hideMathsInput(mathsInput[pageIndex][m]);
+			}
+			for (var s = 0; s < pages[pageIndex].stars.length; s++) {
+				hideObj(pages[pageIndex].stars[s]);
+				//pages[pageIndex].stars[s].stopSpin();
+			}	
+		}
+		if (!un(draw) && !un(draw.drawCanvas)) {
+			pages[pageIndex].paths = draw.path;
+			pages[pageIndex].beforeDraw = draw.beforeDraw;
+			pages[pageIndex].afterDraw = draw.afterDraw;
+			pages[pageIndex].drawMode = draw.drawMode;
+			
+			delete draw.beforeDraw;
+			delete draw.afterDraw;
+			draw.path = [];
+			drawCanvasPaths();
+			calcCursorPositions();
+		}
+		holder.canvas.ctx.clearRect(0,80,1200,620);	
+		hideObj(holder.feedbackButton[pageIndex]);		
+		hideObj(holder.completed[pageIndex]);
+		hideObj(holder.summary);
+		hideObj(holder.summary2);
+		hideObj(holder.home2);
+	}
+	function showPage() {
+		/*if (pageIndex == pages.length) {
+			showSummaryPage();
+			return;
+		}*/
+		active();
+		if (un(page[pageIndex])) {
+			pageLoadErrorCount++;
+			loadPage(function() {
+				if (boolean(p.taskPageAutoLoad,false) == true) {
+					taskPageAutoLoad(p);
+				};
+				pages[pageIndex].paths = draw.path;
+				pages[pageIndex].beforeDraw = draw.beforeDraw;
+				pages[pageIndex].afterDraw = draw.afterDraw;
+				showPage();
+			},function() {
+				page[pageIndex] = undefined;
+				if (pageLoadErrorCount < 3) prevPage();
+				Notifier.error('Error connecting to the server. The page cannot be loaded.');
+			});
+		} else {
+			for (var c = 0; c < canvases[pageIndex].length; c++) {
+				if (canvases[pageIndex][c].vis == true) {
+					container.appendChild(canvases[pageIndex][c]);
+				}
+			}
+			for (var m = 0; m < mathsInput[pageIndex].length; m++) {
+				showMathsInput(mathsInput[pageIndex][m]);
+			}
+			
+			holder.canvas.ctx.clearRect(0,0,1200,700);	
+			if (boolean(window.logPages,false) == false) {
+				textBox(holder.canvas.ctx,[140,20,100,50],['<<fontSize:28>><<font:Hobo>>'+String(pageIndex+1)+' / '+String(pages.length)],'#CCF');
+				drawPoints();
+				for (var s = 0; s < pages[pageIndex].stars.length; s++) {
+					if (pages[pageIndex].stars[s].show == true) {
+						showObj(pages[pageIndex].stars[s]);
+					}
+				}
+				if (pages[pageIndex].completed == false && un(pages[pageIndex].prev)) {
+					if (boolean(page[pageIndex].showHolderCheckButton,true) == true) {
+						showObj(holder.check);
+					} else {
+						hideObj(holder.check);
+					}
+					holder.reload.style.opacity = 1;
+					holder.reload.style.pointerEvents = 'auto';
+					if (pointsMode == true) holder.canvas.ctx.rect2({rect:[650+2,20+2,200-4,50-4],lineWidth:4,color:'#000',radius:8});
+					if (!un(holder.feedback[pageIndex]) && holder.feedback[pageIndex].fb == true) {
+						showObj(holder.feedbackButton[pageIndex]);
+					} else {
+						hideObj(holder.feedbackButton[pageIndex]);
+					}			
+				} else if (pages[pageIndex].completed == true) {
+					hideObj(holder.check);
+					showObj(holder.completed[pageIndex]);			
+					text({ctx:holder.canvas.ctx,left:650,width:410,top:20,height:50,align:'center',vertAlign:'middle',textArray:['<<fontSize:36>><<font:Hobo>><<color:#090>>Page Completed!']});
+					holder.reload.style.opacity = 0.5;
+					holder.reload.style.pointerEvents = 'none';
+					hideObj(holder.feedbackButton[pageIndex]);
+				} else if (!un(pages[pageIndex].prev)) {
+					if (boolean(page[pageIndex].showHolderCheckButton,true) == true) {
+						showObj(holder.check);
+					} else {
+						hideObj(holder.check);
+					}
+					showObj(holder.completed[pageIndex]);
+					holder.reload.style.opacity = 1;
+					holder.reload.style.pointerEvents = 'auto';
+					if (pointsMode == true) holder.canvas.ctx.rect2({rect:[650+2,20+2,200-4,50-4],lineWidth:4,color:'#000',radius:8});
+					if (!un(holder.feedback[pageIndex]) && holder.feedback[pageIndex].fb == true) {
+						showObj(holder.feedbackButton[pageIndex]);
+					} else {
+						hideObj(holder.feedbackButton[pageIndex]);
+					}						
+				}
+				showObj(holder.reload);
+				showObj(holder.home);
+			} else {
+				var filename = String(pageData[pageIndex].pageid);
+				while (filename.length < 4) filename = "0"+filename;
+				textBox(holder.canvas.ctx,[80,20,100,50],['<<fontSize:28>><<font:Hobo>>'+String(filename)],'#CCF');
+				if (typeof preview !== 'undefined' && !un(preview.button)) showObj(preview.button);
+			}
+			showObj(holder.prev);
+			showObj(holder.next);
+			hideObj(holder.loading);
+			if (boolean(page[pageIndex].allowReload,true) == false) {
+				hideObj(holder.reload);
+			} else {
+				showObj(holder.reload);
+			}
+				
+			if (!un(draw) && !un(draw.drawCanvas)) {
+				draw.path = pages[pageIndex].paths || [];
+				draw.beforeDraw = pages[pageIndex].beforeDraw;
+				draw.afterDraw = pages[pageIndex].afterDraw;
+				if (!un(pages[pageIndex].drawMode)) {
+					if (draw.drawMode !== pages[pageIndex].drawMode) {
+						changeDrawMode(pages[pageIndex].drawMode);
+					}
+				}
+				drawCanvasPaths();
+				calcCursorPositions();
+				for (var i = 0; i < draw.drawCanvas.length; i++) showObj(draw.drawCanvas);
+				showObj(draw.cursorCanvas);
+			}
+		
+			if (pageIndex == 0) {
+				holder.prev.style.opacity = 0.5;
+				holder.prev.style.pointerEvents = 'none';
+			} else {
+				holder.prev.style.opacity = 1;
+				holder.prev.style.pointerEvents = 'auto';
+			}
+			if (pageIndex == pages.length - 1) {
+				holder.next.style.opacity = 0.5;
+				holder.next.style.pointerEvents = 'none';
+			} else {
+				holder.next.style.opacity = 1;
+				holder.next.style.pointerEvents = 'auto';
+			}			
+
+			if (typeof keyboardButton1[pageIndex] !== 'undefined') {
+				showObj(keyboardButton1[pageIndex]);
+			}
+			resize();
+			p = page[pageIndex];
+			if (boolean(window.logPages,false) == true) {
+				if (typeof pageDataLog == 'function') pageDataLog();
+				if (typeof savePagePNG == 'function') savePagePNG();
+			}
+			pageLoadErrorCount = 0;
+		}
+	}
+	/*function showSummaryPage() {
+		holder.canvas.ctx.clearRect(0,0,1200,700);	
+		hideObj(holder.check);
+		hideObj(holder.reload);
+		hideObj(holder.home);
+		holder.next.style.opacity = 0.5;
+		holder.next.style.pointerEvents = 'none';	
+		
+		var ctx = holder.summary.ctx;
+		var ctx2 = holder.summary2.ctx;
+		ctx.clear();
+		ctx2.clear();
+		text({ctx:ctx,rect:[120,5,1000,80],text:['<<font:Hobo>><<fontSize:36>>Task Summary'],vertAlign:'middle'});
+		
+		var l = 712;
+		var t = 130;
+		text({ctx:ctx,left:l,width:386,top:t,height:46,vertAlign:'middle',textArray:['<<fontSize:24>>'+userName],box:{type:'loose',radius:8,color:'#CFF',borderColor:'#000',borderWidth:4,padding:10}});
+		if (pointsMode == true) {
+			text({ctx:ctx,left:l,width:386,top:t,height:46,align:'right',vertAlign:'middle',textArray:['<<fontSize:24>><<color:#00F>><<bold:true>>'+userPoints+'       '],allowSpaces:true});
+			ctx.beginPath();
+			ctx.lineWidth = 4;
+			ctx.strokeStyle = '#000';
+				drawStar({ctx:ctx,c:[l+361,t+23],r:12});
+			ctx.closePath();
+			ctx.stroke();
+			ctx.beginPath();
+			ctx.fillStyle = '#00F';
+				drawStar({ctx:ctx,c:[l+361,t+23],r:12});		
+			ctx.fill();	
+		}
+		
+		var cells = [];
+		var comp = 0;
+		var totalPoints = 0;
+		for (var r = 0; r < pages.length; r++) {
+			if (pages[r].completed == true) {
+				comp++;
+				totalPoints += pages[r].points;			
+				cells[r] = [
+					{text:['Page '+(r+1)],color:'#CFC'},
+					{minWidth:180,text:['<<color:#060>>Completed!'],color:'#CFC'}
+				];
+				if (pointsMode == true) cells[r].push({minWidth:200,color:'#CFC'});
+			} else if (!un(pages[r].prev)) {
+				comp++;
+				cells[r] = [
+					{text:['Page '+(r+1)],color:'#CFC'},
+					{minWidth:180,text:['<<color:#060>>Completed!'],color:'#CFC'}
+				];
+				if (pointsMode == true) cells[r].push({minWidth:200,color:'#CFC'});
+			} else {
+				cells[r] = [
+					{text:['Page '+(r+1)]},
+					{minWidth:180,text:['Keep Trying!']}
+				];
+				if (pointsMode == true) cells[r].push({minWidth:200});
+			}
+		}
+		
+		var table = drawTable2({
+			ctx:ctx,
+			left:102,
+			top:t,
+			minCellWidth:100,
+			minCellHeight:40,
+			horizAlign:'center',
+			text:{font:'Hobo',size:28,color:'#000'},
+			outerBorder:{show:true,width:4,color:'#000'},
+			innerBorder:{show:true,width:2,color:'#000'},
+			cells:cells
+		});
+		
+		if (pointsMode == true) {
+			for (var r = 0; r < pages.length; r++) {
+				var c = table.cell[r][2];
+				var rect = [c.left,c.top,c.width,c.height];
+				var l = rect[0]+rect[2]/2-(pages[r].points-1)*17.5;
+				var t = (table.yPos[r]+table.yPos[r+1])/2;
+				ctx2.lineWidth = 4;
+				if (pages[r].completed == true) {
+					ctx2.strokeStyle = '#000';
+					ctx2.fillStyle = '#FC3';
+				} else if (!un(pages[r].prev)) {
+					ctx2.strokeStyle = '#666';
+					ctx2.fillStyle = '#CFC';			
+				} else {
+					ctx2.strokeStyle = '#666';
+					ctx2.fillStyle = '#FFC';				
+				}
+				for (var s = 0; s < pages[r].points; s++) {
+					ctx2.beginPath();
+						drawStar({ctx:ctx2,c:[l,t],r:12});
+					ctx2.closePath();
+					ctx2.stroke();
+					ctx2.beginPath();
+						drawStar({ctx:ctx2,c:[l,t],r:12});		
+					ctx2.fill();
+					l += 35;
+				}
+			}
+		}
+		
+		if (pointsMode == true) {
+			textBox(ctx2,[712,190,386,350],['<<fontSize:26>>Task Progress: '+String(taskLogData.percentage)+'%'+br+br+'Points earned: '+totalPoints+br+br+'Time Spent: '+String(taskLogData.totalTime)+' mins'+br+br+'<<bold:true>><<color:#060>>Your progress has'+br+'been logged.'],'#CFF');
+		} else {
+			textBox(ctx2,[712,190,386,350],['<<fontSize:26>>Task Progress: '+String(taskLogData.percentage)+'%'+br+br+'Time Spent: '+String(taskLogData.totalTime)+' mins'+br+br+'<<bold:true>><<color:#060>>Your progress has'+br+'been logged.'],'#CFF');			
+		}
+		
+		showObj(holder.summary);
+		showObj(holder.summary2);
+		showObj(holder.home2);
+		inactive();
+		resize();
+	}*/
+	function loadPage(callback,errorCallback) {
+		showObj(holder.loading);
+		holder.prev.style.pointerEvents = 'none';
+		holder.prev.style.opacity = 0.5;
+		holder.next.style.pointerEvents = 'none';
+		holder.next.style.opacity = 0.5;
+		if (un(errorCallback)) errorCallback = function() {};
+		var filename = pages[pageIndex].pageid;
+		while (filename.length < 4) {
+			filename = "0" + filename;
+		}
+		pages[pageIndex].filename = filename;
+		if (!un(pages[pageIndex].prev)) {
+			pages[pageIndex].maxPoints = 1;
+			pages[pageIndex].points = 1;
+			holder.completed[pageIndex] = textCanvas([600-450/2,285,450,170],[''],'#EEE').canvas;
+			resizeCanvas3(holder.completed[pageIndex]);
+			var date = new Date(pages[pageIndex].prev.slice(0,pages[pageIndex].prev.indexOf(" ")));
+			pages[pageIndex].prevDate = ['Sun','Mon','Tues','Weds','Thurs','Fri','Sat'][date.getDay()]+" "+date.getDate()+" "+['Jan','Feb','Mar','Apr','May','June','July','Aug','Sep','Oct','Nov','Dec'][date.getMonth()]+" "+date.getFullYear();
+			if (pointsMode == true) {
+				text({ctx:holder.completed[pageIndex].ctx,left:0,top:16,width:450,height:100,textArray:['<<fontSize:50>><<font:Hobo>>Page Completed!<<fontSize:36>>'+br+'<<font:Arial>><<fontSize:20>>Completed on '+pages[pageIndex].prevDate+br+'Click to practise again for an extra point'],align:'center'});
+			} else {
+				text({ctx:holder.completed[pageIndex].ctx,left:0,top:28,width:450,height:100,textArray:['<<fontSize:50>><<font:Hobo>>Page Completed!<<fontSize:36>>'+br+'<<font:Arial>><<fontSize:20>>Completed on '+pages[pageIndex].prevDate],align:'center'});
+				text({ctx:holder.completed[pageIndex].ctx,left:450-100,top:0,width:100,height:30,textArray:['<<fontSize:26>><<font:Arial>>'+times+'<<fontSize:14>>Dismiss'],align:'center',vertAlign:'middle'});
+			}
+			holder.completed[pageIndex].style.pointerEvents = 'auto';
+			holder.completed[pageIndex].style.zIndex = 10000000;
+			addListener(holder.completed[pageIndex],function() {
+				hideObj(holder.completed[pageIndex]);
+			});		
+		} else {
+			pages[pageIndex].maxPoints = Number(pages[pageIndex].points);
+			pages[pageIndex].points = Number(pages[pageIndex].points);		
+		}
+		pages[pageIndex].completed = false;
+		pages[pageIndex].stars = [];
+		var l = 650+100-(pages[pageIndex].maxPoints-1)*17.5;
+		if (pointsMode == true) {
+			for (var s = 0; s < pages[pageIndex].maxPoints; s++) {
+				var star = newctx({rect:[l+s*35-17.5,45-17.5,35,35],z:100000000}).canvas;
+				star.color = ['#FC3','#000'];
+				star.draw = function() {
+					this.ctx.clear();
+					this.ctx.beginPath();
+					this.ctx.lineWidth = 4;
+					this.ctx.strokeStyle = this.color[1];
+						drawStar({ctx:this.ctx,c:[17.5,17.5],r:12});
+					this.ctx.closePath();
+					this.ctx.stroke();
+					this.ctx.beginPath();
+					this.ctx.fillStyle = this.color[0];
+						drawStar({ctx:this.ctx,c:[17.5,17.5],r:12});		
+					this.ctx.fill();
+				}
+				star.draw();
+				star.click = function() {
+					do {
+						var color = ['#FC3','#F00','#33F','#3FF','#0C0','#CCC'][ran(0,5)];
+					} while(this.color[0] == color);
+					this.color[0] = color;
+					this.draw();
+				}
+				star.show = true;
+				pages[pageIndex].stars[s] = star;
+			}
+		}
+		var feedbackButton = textCanvas([1130,90,50,50],['<<font:Hobo>><<fontSize:30>>!'],'#FC9').canvas;
+		feedbackButton.style.zIndex = 1000;
+		addListenerStart(feedbackButton,toggleFeedback);
+		holder.feedbackButton[pageIndex] = feedbackButton;
+		window.p = page[pageIndex] = {};
+		mathsInput[pageIndex] = [];
+		canvases[pageIndex] = [];
+		loadScript('pages/'+filename+'.js',function() {
+			page[pageIndex] = p;
+			callback();
+		},errorCallback);
+	}
+	function reloadPage() {
+		for (var c = 0; c < canvases[pageIndex].length; c++) {
+			canvases[pageIndex][c].data[100] = canvases[pageIndex][c].data[0];
+			canvases[pageIndex][c].data[101] = canvases[pageIndex][c].data[1];
+			resizeCanvas3(canvases[pageIndex][c]);
+			canvases[pageIndex][c].style.zIndex = canvases[pageIndex][c].z;
+		}
+		for (var m = 0; m < mathsInput[pageIndex].length; m++) {
+			setMathsInputText(mathsInput[pageIndex][m],[""]);
+		}	
+		if (!un(page[pageIndex].dragSnapPos)) {
+			for (var d = 0; d < page[pageIndex].dragSnapPos.length; d++) {
+				page[pageIndex].dragSnapPos[d][4] = null;
+			}
+		}
+		p = page[pageIndex];
+		if (!un(page[pageIndex].reload)) {
+			page[pageIndex].reload();
+		} else if (!un(page[pageIndex].taskPageAutoLoad)) {
+			taskPageAutoReload(page[pageIndex]);
+		}
+		if (!un(page[pageIndex].clear)) {
+			page[pageIndex].clear();
+		}	
+		removeFeedback();
+	}
+	function shuffleTableCells(obj) {
+		var cells = [];
+		for (var r = 0; r < obj.cells.length; r++) {
+			for (var c = 0; c < obj.cells[r].length; c++) {
+				cells.push(obj.cells[r][c]);
+			}
+		}
+		cells = shuffleArray(cells);
+		for (var r = 0; r < obj.cells.length; r++) {
+			for (var c = 0; c < obj.cells[r].length; c++) {
+				obj.cells[r][c] = cells.shift();
+			}
+		}
+		return obj;
+	}
+	function taskPageAutoLoad(p) {
+		//console.log(p);
+		p.ctx1 = newctx();
+		p.ctx2 = newctx({z:1000});
+		
+		var paths = p.paths;
+		var shuffleInputs = [];
+		var shufflePos = [];
+		
+		var dragCheckMode = 'none';
+		var dragCanvasCount = 0;
+		var dragAreaCount = 0;
+		var dragSnapAreaCount = 0;
+		for (var p2 = 0; p2 < paths.length; p2++) {
+			var path = paths[p2];
+			if (un(path.isInput)) continue;
+			if (path.isInput.type == 'drag') {
+				dragCanvasCount++;
+			} else if (path.isInput.type == 'dragArea') {
+				if (path.isInput.snap == true) {
+					dragSnapAreaCount++;
+				} else {
+					dragAreaCount++;
+				}
+			}
+		}
+		if (dragCanvasCount > 0) {
+			if (dragSnapAreaCount > 0) {
+				dragCheckMode = 'dragArea';
+			} else {
+				dragCheckMode = 'dragCanvas';
+			}
+		}
+		
+		for (var p2 = 0; p2 < paths.length; p2++) {
+			var path = paths[p2];
+			if (un(path.isInput)) continue;
+			for (var o = 0; o < path.obj.length; o++) {
+				var obj = path.obj[o];
+				if (obj.type == 'text2' && path.isInput.type == 'text') {
+					obj.draw = false;
+					if (typeof p.inputs == 'undefined') p.inputs = [];
+					var input = createMathsInput2({left:obj.rect[0],top:obj.rect[1],width:obj.rect[2],height:obj.rect[3],fontSize:32,algText:boolean(path.isInput.algText,false)});
+					input.pathObj = obj;
+					input.type = 'text';
+					if (!un(path.isInput.tickStyle)) input.tickStyle = path.isInput.tickStyle;
+					p.inputs.push(input);
+				} else if (obj.type == 'table2' && path.isInput.type == 'select') {
+					if (typeof p.inputs == 'undefined') p.inputs = [];
+					obj.isInput = path.isInput;
+					var multiSelect = boolean(path.isInput.multiSelect,false);
+					var checkSelectCount = boolean(path.isInput.checkSelectCount,true);
+					var shuffle = boolean(path.isInput.shuffle,false);
+					
+					var input = {type:'select',buttons:[],multiSelect:multiSelect,checkSelectCount:checkSelectCount,shuffle:shuffle};
+					p.inputs.push(input);
+					
+					if (shuffle == true) shuffleTableCells(obj);
+
+					var yPos = obj.top;
+					for (var r = 0; r < obj.cells.length; r++) {
+						var xPos = obj.left; 
+						for (var c = 0; c < obj.cells[r].length; c++) {
+							var button = newctx({rect:[xPos,yPos,obj.widths[c],obj.heights[r]],pE:true,z:100}).canvas;
+							button.input = input;
+							button.cell = obj.cells[r][c];
+							button.row = r;
+							button.col = c;
+							button.obj = obj;
+							addListener(button,taskPageSelectButtonClick);	
+							input.buttons.push(button);
+							
+							obj.cells[r][c].toggle = false;
+							xPos += obj.widths[c];
+						}
+						yPos += obj.heights[r];
+					}
+				} else if (path.isInput.type == 'drag') {
+					updateBorder(path);
+					var rect = path.tightBorder;
+					rect[0] -= 3;
+					rect[1] -= 3;
+					rect[2] += 6;
+					rect[3] += 6;
+										
+					var dragCanvas = newctx({rect:rect,drag:true,pe:true}).canvas;
+					dragCanvas.ctx.translate(-rect[0],-rect[1]);
+					for (var o = 0; o < path.obj.length; o++) {
+						drawObjToCtx(dragCanvas.ctx,path,path.obj[o],1,1,0,0);
+					}
+					
+					if (dragCheckMode == 'dragCanvas') {
+						if (typeof p.inputs == 'undefined') p.inputs = [];
+						p.inputs.push({type:'drag',canvas:dragCanvas,shuffle:path.isInput.shuffle,value:path.isInput.value});
+					}
+					
+					if (typeof p.dragCanvases == 'undefined') p.dragCanvases = [];
+					p.dragCanvases.push({canvas:dragCanvas,shuffle:path.isInput.shuffle,value:path.isInput.value});
+					
+					if (path.isInput.shuffle == true) {
+						shuffleInputs.push(dragCanvas);
+						shufflePos.push([rect[0],rect[1],shufflePos.length]);
+					}
+					
+					paths.splice(p2,1);
+					p2--;
+				} else if (path.isInput.type == 'dragArea') {
+					updateBorder(path);
+					var rect = path.tightBorder;
+					rect[0] -= 3;
+					rect[1] -= 3;
+					rect[2] += 6;
+					rect[3] += 6;
+					
+					if (typeof p.dragAreas == 'undefined') p.dragAreas = [];
+					p.dragAreas.push({rect:rect,value:path.isInput.value,snap:path.isInput.snap});
+					
+					if (dragCheckMode == 'dragArea') {
+						if (typeof p.inputs == 'undefined') p.inputs = [];
+						p.inputs.push({type:'dragArea',rect:rect,value:path.isInput.value});
+					}
+					
+					if (path.isInput.snap == true) {
+						if (typeof p.dragSnapPos == 'undefined') p.dragSnapPos = [];
+						p.dragSnapPos.push(clone(rect.slice(0,4)));
+					}
+				}
+			}
+		}
+		if (shuffleInputs.length > 0) {
+			shufflePos = shuffleArray(shufflePos);
+			for (var i = 0; i < shuffleInputs.length; i++) {
+				shuffleInputs[i].data[0] = shufflePos[i][0];
+				shuffleInputs[i].data[1] = shufflePos[i][1];
+				shuffleInputs[i].data[100] = shufflePos[i][0];
+				shuffleInputs[i].data[101] = shufflePos[i][1];
+				shuffleInputs[i].style.zIndex = shufflePos[i][2]+10;
+				shuffleInputs[i].z = shufflePos[i][2]+10;
+				resizeCanvas(shuffleInputs[i]);
+			}
+		}
+		taskPageAutoDrawPaths(p);
+		
+		if (!un(p.keyboard)) addKeyboard(p.keyboard);
+	}
+	function taskPageAutoDrawPaths(p) {
+		p.ctx1.clear();
+		for (var p2 = 0; p2 < p.paths.length; p2++) {
+			for (var o = 0; o < p.paths[p2].obj.length; o++) {
+				var obj = p.paths[p2].obj[o];
+				if (boolean(obj.draw,true) == true) {
+					drawObjToCtx(p.ctx1,p.paths[p2],obj);
+				}
+			}
+		}
+	}
+	function taskPageSelectButtonClick(e) {
+		var cells = e.target.obj.cells;
+		var cell = e.target.cell;
+		
+		if (cell.toggle == true) {
+			delete cell.toggle;
+		} else if (e.target.input.multiSelect == true) {
+			cell.toggle = true;
+		} else {
+			for (var r = 0; r < cells.length; r++) {
+				for (var c = 0; c < cells[r].length; c++) {
+					if (r == e.target.row && c == e.target.col) {
+						cells[r][c].toggle = true;
+					} else {
+						delete cells[r][c].toggle;
+					}
+				}
+			}
+		}
+
+		taskPageAutoDrawPaths(page[pageIndex]);
+	}
+	function taskPageAutoCheck(p) {
+		var checkVars = {check:true,a:[],qs:p.inputs.length};
+
+		for (var q = 0; q < p.inputs.length; q++) {
+			var input = p.inputs[q];
+			if (input.type == 'text') {
+				var answer = false;
+				if (input.stringJS !== "") {
+					var obj = input.pathObj;
+					var ans = removeTags(clone(input.richText));
+					for (var a = 0; a < obj.ans.length; a++) {
+						if (arraysEqual(ans,removeTags(clone(obj.ans[a])))) {
+							answer = true;
+							break;
+						}
+					}
+				}
+				checkVars.a[q] = {type:'text',check:answer};
+			} else if (input.type == 'select') {
+				var answer = [];
+				var toggleCount = 0;
+				var ansCount = 0;
+				for (var b = 0; b < input.buttons.length; b++) {
+					var cell = input.buttons[b].cell;
+					var ans = boolean(cell.ans,false);
+					if (ans == true) ansCount++;
+					var toggle = boolean(cell.toggle,false);
+					if (toggle == true) toggleCount++;
+					answer[b] = {toggle:toggle,answer:ans};
+				}
+				if (input.checkSelectCount == true) {
+					if (toggleCount < ansCount || toggleCount == 0) {
+						checkVars.check = false;
+						checkVars.fb = "You need to select more answers.";
+					} else if (toggleCount > ansCount) {
+						checkVars.check = false;
+						checkVars.fb = "You have selected too many answers.";						
+					}
+				}
+				checkVars.a[q] = {type:'select',check:answer};
+			} else if (input.type == 'drag') {
+				var check = false;
+				var hit = false;
+				for (var a = 0; a < p.dragAreas.length; a++) {
+					var rect = p.dragAreas[a].rect;
+					if (hitTestRect2(input.canvas,rect[0],rect[1],rect[2],rect[3])) {
+						hit = true;
+						if (input.value == p.dragAreas[a].value) check = true;
+						break;
+					}
+				}
+				if (hit == false) {
+					checkVars.check = false;
+					checkVars.fb = "You need to drag all the boxes into position.";
+				}
+				checkVars.a[q] = {type:'dragArea',check:check};
+			} else if (input.type == 'dragArea') {
+				var check = false;
+				var hit = false;
+				for (var d = 0; d < p.dragCanvases.length; d++) {
+					var rect = input.rect;
+					if (hitTestRect2(p.dragCanvases[d].canvas,rect[0],rect[1],rect[2],rect[3])) {
+						hit = true;
+						if (input.value == p.dragCanvases[d].value) check = true;
+						break;
+					}
+				}
+				if (hit == false) {
+					checkVars.check = false;
+					checkVars.fb = "You need to drag boxes into the positions.";
+				}
+				checkVars.a[q] = {type:'dragArea',check:check};
+			}
+		}
+
+		return checkVars;
+	}
+	function taskPageAutoMark(p,r) {
+		p.ctx2.clear();
+		
+		for (var q = 0; q < p.inputs.length; q++) {
+			if (p.inputs[q].type !== 'text') continue;
+			var data = p.inputs[q].data;
+			if (p.inputs[q].tickStyle == 'small') {
+				var mult = 0.6;
+				var l2 = data[100]+data[102]-40*mult-3;
+				var t2 = data[101]+data[103]-50*mult-3;
+				if (r.m[q] == 1) {
+					drawTick(p.ctx2,40*mult,50*mult,'#060',l2,t2,7*mult);
+				} else {
+					drawCross(p.ctx2,40*mult,50*mult,'#F00',l2,t2,7*mult);
+				}
+				p.inputs[q].markPos = [l2,t2,40*mult,50*mult];
+				p.inputs[q].markctx = p.ctx2;
+			} else {
+				var l2 = data[100]+data[102]+15;
+				var t2 = data[101]+0.5*data[103]-25;
+				if (r.m[q] == 1) {
+					drawTick(p.ctx2,40,50,'#060',l2,t2,7);
+				} else {
+					drawCross(p.ctx2,40,50,'#F00',l2,t2,7);
+				}
+				p.inputs[q].markPos = [l2,t2,40,50];
+				p.inputs[q].markctx = p.ctx2;
+			}
+		}
+	}
+	function taskPageAutoReload(p) {
+		p.ctx2.clear();
+	}	
+	
+	function checkPage() {
+		if (!un(holder.checkPageIndex) && holder.checkPageIndex > -1) return;
+		holder.checkPageIndex = pageIndex;
+		deselectMathsInput();
+		if (typeof page[holder.checkPageIndex].check == 'function') {
+			var c = page[holder.checkPageIndex].check();
+			var checkFileName = String(pages[holder.checkPageIndex].filename);
+		} else if (!un(page[holder.checkPageIndex].taskPageAutoLoad)) {
+			var c = taskPageAutoCheck(page[holder.checkPageIndex]);
+			var checkFileName = 'autoCheck';
+		} else {
+			delete holder.checkPageIndex;
+			return;
+		}
+		
+		if (c.check == false) {
+			if (!un(c.fb)) {
+				drawFeedback(c.fb);
+			}
+			delete holder.checkPageIndex;
+		} else {
+			hideObj(holder.disablePeCanvas);
+			hideObj(holder.check);
+			
+			var xmlHttp = new XMLHttpRequest();
+			xmlHttp.open("post", "pages/"+checkFileName+".php", true);
+			xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
+			xmlHttp.errorCallback = function() {
+				Notifier.error('Error connecting to the server. Please try again shortly...');
+				hideObj(holder.disablePeCanvas);
+				delete holder.checkPageIndex;
+				setTimeout(function() {
+					if (boolean(page[pageIndex].showHolderCheckButton,true) == true) {
+						showObj(holder.check);
+					} else {
+						hideObj(holder.check);
+					}
+				},2000);
+			};
+			xmlHttp.onerror = xmlHttp.errorCallback;
+			xmlHttp.onreadystatechange = function() {
+				if (this.readyState !== 4) return;
+				if (this.status >= 400) {
+					if (typeof this.errorCallback == 'function') this.errorCallback();
+					delete holder.checkPageIndex;
+					return;
+				}
+				
+				if (!un(document.origin) && document.origin.indexOf('localhost') > -1) console.log(this.responseText);
+				var response = JSON.parse(this.responseText);
+				if (!un(document.origin) && document.origin.indexOf('localhost') > -1) console.log('check php response:',response);
+				pages[holder.checkPageIndex].pageLogKey = response.pageLogKey;
+				if (un(pages[holder.checkPageIndex].checkCount)) pages[holder.checkPageIndex].checkCount = 0;
+				pages[holder.checkPageIndex].checkCount++;
+				p = page[holder.checkPageIndex];
+				if (!un(p.mark)) {
+					p.mark(response);
+				} else if (!un(p.taskPageAutoLoad)) {
+					taskPageAutoMark(p,response);
+				}
+				if (typeof taskLogData !== 'undefined' && taskLogData !== null) {
+					taskLogData.percentage = response.percentage;
+					taskLogData.totalTime = response.timeSpent;
+					taskLogData.status = response.status;
+				}
+				if (response.correct == 1) {
+					pages[holder.checkPageIndex].completed = true;
+					hideObj(holder.feedbackButton[holder.checkPageIndex]);
+					hideObj(holder.feedback[holder.checkPageIndex]);
+					holder.canvas.ctx.clearRect(650,20,200,50);
+					removeFeedback();
+					if (Number(response.percentage) == 100) {
+						showTaskCompleteMessage();
+					} else {
+						reportHandler();
+					}
+					if (boolean(page[holder.checkPageIndex].allowInteractionAfterCompletion,false) == false) {
+						for (var c = 0; c < canvases[holder.checkPageIndex].length; c++) {
+							canvases[holder.checkPageIndex][c].style.pointerEvents = 'none';
+						}
+						for (var m = 0; m < mathsInput[holder.checkPageIndex].length; m++) {
+							mathsInput[holder.checkPageIndex][m].cursorCanvas.style.pointerEvents = 'none';					
+						}
+						if (!un(draw) && !un(draw.cursorCanvas)) {
+							pages[holder.checkPageIndex].drawMode = 'none';
+							changeDrawMode('none');
+						}
+					}
+					if (pointsMode == true) {
+						window.count = 0;
+						window.int = setCorrectingInterval(function() {
+							var star = pages[holder.checkPageIndex].stars[window.count];
+							star.data[100] = Math.max(star.data[100]-9,613-17.5);
+							resizeCanvas3(star);
+							if (star.data[100] <= 613-17.5) {
+								userPoints++;
+								drawPoints();
+								window.count++;
+								if (window.count == pages[holder.checkPageIndex].points) {
+									clearCorrectingInterval(window.int);
+									setTimeout(function() {
+										for (s = 0; s < pages[holder.checkPageIndex].maxPoints; s++) {
+											var star = pages[holder.checkPageIndex].stars[s];
+											if (s < pages[holder.checkPageIndex].points) {
+												star.show = true;
+												star.data[100] = 600-(pages[holder.checkPageIndex].points-1)*17.5+s*35-17.5;
+												star.data[101] = 360;
+												resizeCanvas3(star);									
+												star.style.pointerEvents = 'auto';
+												addListener(star,star.click);
+											} else {
+												star.show = false;
+												hideObj(star);
+											}
+										}
+										if (!un(holder.completed[holder.checkPageIndex])) {
+											hideObj(holder.completed[holder.checkPageIndex]);
+										}
+										holder.completed[holder.checkPageIndex] = textCanvas([600-450/2,285,450,130],[''],['#F6F','#6FF','#FF6','#6F6','#66F','#F66'].ran()).canvas;
+										showObj(holder.completed[holder.checkPageIndex]);
+										text({ctx:holder.completed[holder.checkPageIndex].ctx,left:0,top:12,width:450,height:100,textArray:['<<fontSize:50>><<font:Hobo>>Page Completed!'],align:'center'});
+										holder.completed[holder.checkPageIndex].style.pointerEvents = 'auto';
+										holder.completed[holder.checkPageIndex].style.zIndex = 10000000;
+										addListener(holder.completed[holder.checkPageIndex],function() {
+											hideObj(holder.completed[holder.checkPageIndex]);
+											for (var s = 0; s < pages[holder.checkPageIndex].stars.length; s++) {
+												hideObj(pages[holder.checkPageIndex].stars[s]);
+											}
+										});								
+										hideObj(holder.disablePeCanvas);
+										showPage();
+									},800);
+								}
+							}
+						},1000/26);
+					} else {
+						if (!un(holder.completed[holder.checkPageIndex])) {
+							hideObj(holder.completed[holder.checkPageIndex]);
+						}
+						holder.completed[holder.checkPageIndex] = textCanvas([600-450/2,285,450,130],[''],['#F6F','#6FF','#FF6','#6F6','#66F','#F66'].ran()).canvas;
+						var ctx = holder.completed[holder.checkPageIndex].ctx;
+						text({ctx:ctx,left:0,top:12,width:450,height:100,textArray:['<<fontSize:50>><<font:Hobo>>Page Completed!'],align:'center'});
+						
+						ctx.beginPath();
+						ctx.lineWidth = 4;
+						ctx.strokeStyle = '#000';
+							drawStar({ctx:ctx,c:[450/2-35,90],r:12});
+						ctx.closePath();
+						ctx.stroke();
+						ctx.beginPath();
+						ctx.fillStyle = '#FC3';
+							drawStar({ctx:ctx,c:[450/2-35,90],r:12});		
+						ctx.fill();
+						
+						ctx.beginPath();
+						ctx.lineWidth = 4;
+						ctx.strokeStyle = '#000';
+							drawStar({ctx:ctx,c:[450/2,90],r:12});
+						ctx.closePath();
+						ctx.stroke();
+						ctx.beginPath();
+						ctx.fillStyle = '#FC3';
+							drawStar({ctx:ctx,c:[450/2,90],r:12});		
+						ctx.fill();
+						
+						ctx.beginPath();
+						ctx.lineWidth = 4;
+						ctx.strokeStyle = '#000';
+							drawStar({ctx:ctx,c:[450/2+35,90],r:12});
+						ctx.closePath();
+						ctx.stroke();
+						ctx.beginPath();
+						ctx.fillStyle = '#FC3';
+							drawStar({ctx:ctx,c:[450/2+35,90],r:12});		
+						ctx.fill();
+						
+						holder.completed[holder.checkPageIndex].style.pointerEvents = 'auto';
+						holder.completed[holder.checkPageIndex].style.zIndex = 100000;
+
+						hideObj(holder.disablePeCanvas);						
+						if (holder.checkPageIndex === pageIndex) {
+							addListener(holder.completed[holder.checkPageIndex],function() {
+								hideObj(holder.completed[holder.checkPageIndex]);
+							});								
+							showPage();
+							if (Number(response.percentage) < 100) {
+								showObj(holder.completed[holder.checkPageIndex]);
+							} else {
+								hideObj(holder.completed[holder.checkPageIndex]);
+							}
+						}
+					}
+				} else {
+					hideObj(holder.disablePeCanvas);
+					if (holder.checkPageIndex === pageIndex) {
+						setTimeout(function() {
+							if (boolean(page[pageIndex].showHolderCheckButton,true) == true) {
+								showObj(holder.check);
+							} else {
+								hideObj(holder.check);
+							}
+						},4000);
+						if (pointsMode == true && pages[holder.checkPageIndex].points > 1) {
+							pages[holder.checkPageIndex].points--;
+							var star = pages[holder.checkPageIndex].stars[pages[holder.checkPageIndex].points];
+							star.color = ['#CFF','#999'];
+							star.draw();
+						}
+						if (!un(response.fb)) {
+							drawFeedback(response.fb);
+						}
+					}					
+				}
+				delete holder.checkPageIndex;
+			}
+			c.points = pages[holder.checkPageIndex].points;
+			if (!un(pages[holder.checkPageIndex].pageLogKey)) c.pageLogKey = pages[holder.checkPageIndex].pageLogKey;
+			c.userKey = userKey;
+			c.userType = userType;
+			c.pageId = pages[holder.checkPageIndex].pageid;
+			c.checkCount = pages[holder.checkPageIndex].checkCount || 0;
+			c.pageIds = [];
+			c.browserInfo = getBrowserInfo();
+			c.timeSpent = Math.round(TimeMe.getTimeOnPageInSeconds('page')/60);
+			for (var p = 0; p < pages.length; p++) {
+				c.pageIds.push(pages[p].pageid);
+			}
+			if (typeof taskLogData !== 'undefined' && taskLogData !== null) {
+				c.tasksLogId = taskLogData.taskNumber;
+			}
+			if (!un(document.origin) && document.origin.indexOf('localhost') > -1) console.log(c);
+			console.log(c, "c="+encodeURIComponent(JSON.stringify(c)));
+			xmlHttp.send("c="+encodeURIComponent(JSON.stringify(c)));
+		}
+	}
+	function drawPoints() {
+		holder.canvas.ctx.clearRect(250,20,390,50);
+		text({ctx:holder.canvas.ctx,left:252,width:386,top:22,height:46,vertAlign:'middle',textArray:['<<fontSize:24>>'+userName],box:{type:'loose',radius:8,color:'#CFF',borderColor:'#000',borderWidth:4,padding:10}});
+		if (pointsMode == true) {
+			text({ctx:holder.canvas.ctx,left:252,width:386,top:22,height:46,align:'right',vertAlign:'middle',textArray:['<<fontSize:24>><<color:#00F>><<bold:true>>'+userPoints+'       '],allowSpaces:true});
+			holder.canvas.ctx.beginPath();
+			holder.canvas.ctx.lineWidth = 4;
+			holder.canvas.ctx.strokeStyle = '#000';
+				drawStar({ctx:holder.canvas.ctx,c:[613,45],r:12});
+			holder.canvas.ctx.closePath();
+			holder.canvas.ctx.stroke();
+			holder.canvas.ctx.beginPath();
+			holder.canvas.ctx.fillStyle = '#00F';
+				drawStar({ctx:holder.canvas.ctx,c:[613,45],r:12});		
+			holder.canvas.ctx.fill();
+		}
+	}
+	function drawFeedback(txt) {
+		if (typeof txt == 'string') txt = [txt];
+		txt.unshift('<<fontSize:24>>');
+		if (un(holder.feedback[pageIndex])) {
+			holder.feedback[pageIndex] = newctx({pe:true,z:100000}).canvas;
+			addListenerEnd(holder.feedback[pageIndex],toggleFeedback);
+		}
+		holder.feedback[pageIndex].fb = true;
+		var fb = holder.feedback[pageIndex];	
+		showObj(holder.feedbackButton[pageIndex]);
+		var size = text({ctx:fb.ctx,textArray:txt,align:'center',measureOnly:true,left:800,top:90+5,width:400,height:610,box:{type:'tight',color:'#FC9',borderColor:'#000',borderWidth:4,radius:8,padding:15}});
+		fb.data[100] = 1120 - size.tightRect[2];
+		fb.data[101] = 90;
+		fb.data[102] = size.tightRect[2];
+		fb.data[103] = size.tightRect[3];
+		fb.width = size.tightRect[2];
+		fb.height = size.tightRect[3];
+		resizeCanvas3(fb);
+		textBox(fb.ctx,[0,0,size.tightRect[2],size.tightRect[3]],txt,'#FC9');
+		showObj(holder.feedback[pageIndex]);
+	};
+	function toggleFeedback() {
+		if (un(holder.feedback[pageIndex])) return;
+		if (holder.feedback[pageIndex].parentNode == container) {
+			hideObj(holder.feedback[pageIndex]);
+		} else {
+			showObj(holder.feedback[pageIndex]);
+		}
+	};
+	function removeFeedback() {
+		if (!un(holder.feedback[pageIndex])) {
+			holder.feedback[pageIndex].fb = false;
+			hideObj(holder.feedbackButton[pageIndex]);
+			hideObj(holder.feedback[pageIndex]);
+		}	
+	}
+	
+	var taskCompleteMessage;
+	function loadTaskCompleteMessage() {
+		//create purple background
+		taskCompleteMessage = newctx({rect:[20,94,1150,576],vis:false,z:1000000,pE:true,page:false}).canvas;
+		taskCompleteMessage.style.backgroundColor = "#C6F";
+		taskCompleteMessage.style.borderRadius = "5px";
+		taskCompleteMessage.style.border = "4px solid black"
+		taskCompleteMessage.style.cursor = "auto";
+		//addListener(taskCompleteMessage,dismissTaskCompleteMessage);
+
+		taskCompleteMessage.starYellow = new Image;
+		taskCompleteMessage.starYellowPointy = new Image;
+		taskCompleteMessage.starWhite6points = new Image;		
+
+		taskCompleteMessage.starYellow.src = "../Images/starYellow.png";
+		taskCompleteMessage.starYellowPointy.src = "../Images/starYellowPointy.png";
+		taskCompleteMessage.starWhite6points.src = "../Images/starWhite6points.png";				
+
+		taskCompleteMessage.stars = [];
+		
+		//create dismiss button
+		var dismiss = newctx({rect:[1050, 120, 110, 26],vis:false,z:10000001,pE:true,page:false}).canvas;
+		dismiss.ctx.font = "30px Arial";
+		dismiss.ctx.fillStyle = "#FFF";
+		dismiss.ctx.textAlign = "center";
+		dismiss.ctx.textBaseline = "middle";
+		dismiss.ctx.fillText("Dismiss", 55, 13);
+		//addListener(dismiss, dismissTaskCompleteMessage)
+		taskCompleteMessage.stars.push(dismiss);
+		
+		for (var i = 0; i < 9; i++) {
+			var l = [100,750,700,300,950,900,820,1000,500][i]-6;
+			var t = [150,120,400,120,300,120,250,500,100][i];
+			var w = [126,126,252,189,189,126,126,126,252][i];
+			var star = newctx({rect:[l,t,w,w],vis:false,z:100000002+i,page:false}).canvas;
+			star.style.cursor = "auto";
+			taskCompleteMessage.stars.push(star);
+		}		
+		resize();
+	}
+	function showTaskCompleteMessage() {
+		if (un(taskCompleteMessage)) loadTaskCompleteMessage();
+		hideObj(holder.completed[pageIndex]);
+		showObj(taskCompleteMessage);
+		for (i = 0; i < taskCompleteMessage.stars.length; i++) {
+			showObj(taskCompleteMessage.stars[i]);
+			taskCompleteMessage.stars[i].style.zIndex = 1000000;
+		}
+		
+		taskCompleteMessage.ctx.fillStyle = "#FFF";
+		taskCompleteMessage.ctx.textAlign = "center";
+		taskCompleteMessage.ctx.textBaseline = "middle";
+		
+		if (userType == 'Pupil') {
+			taskCompleteMessage.ctx.font = "110px Hobo";
+			taskCompleteMessage.ctx.fillText("Task Complete!", 350, 275);
+			taskCompleteMessage.ctx.font = "55px Hobo";
+			taskCompleteMessage.ctx.fillText("Well done, " + userName, 350, 420);
+			taskCompleteMessage.ctx.font = "55px Hobo";
+			taskCompleteMessage.ctx.fillText("Your result has been logged", 350, 490);
+		} else {
+			taskCompleteMessage.ctx.font = "110px Hobo";
+			taskCompleteMessage.ctx.fillText("Task Complete!", 350, 375);
+		}
+		
+		taskCompleteMessage.interval = setInterval(function(){taskCompleteMessage.rotate()},25);
+		
+		taskCompleteMessage.rotate = function() {
+			for (i = 1; i < taskCompleteMessage.stars.length; i++) {
+				taskCompleteMessage.stars[i].ctx.clear();
+				taskCompleteMessage.stars[i].ctx.translate(taskCompleteMessage.stars[i].data[2] / 2, taskCompleteMessage.stars[i].data[3] / 2);
+				taskCompleteMessage.stars[i].ctx.rotate(Math.PI / 180);
+				taskCompleteMessage.stars[i].ctx.translate(taskCompleteMessage.stars[i].data[2] / -2, taskCompleteMessage.stars[i].data[3] / -2);
+			}
+			taskCompleteMessage.stars[1].ctx.drawImage(taskCompleteMessage.starYellow,20,20,86,86);		
+			taskCompleteMessage.stars[2].ctx.drawImage(taskCompleteMessage.starYellow,20,20,86,86);
+			taskCompleteMessage.stars[3].ctx.drawImage(taskCompleteMessage.starYellow,60,60,172,172);			
+			taskCompleteMessage.stars[4].ctx.drawImage(taskCompleteMessage.starWhite6points,24,33,141,123);		
+			taskCompleteMessage.stars[5].ctx.drawImage(taskCompleteMessage.starWhite6points,24,33,141,123);		
+			taskCompleteMessage.stars[6].ctx.drawImage(taskCompleteMessage.starYellowPointy,20,21,86,84);		
+			taskCompleteMessage.stars[7].ctx.drawImage(taskCompleteMessage.starYellowPointy,20,21,86,84);
+			taskCompleteMessage.stars[8].ctx.drawImage(taskCompleteMessage.starYellowPointy,20,21,86,84);
+			taskCompleteMessage.stars[9].ctx.drawImage(taskCompleteMessage.starYellowPointy,40,42,152,148);		
+		}
+		addListener(window,dismissTaskCompleteMessage);
+	}
+	function dismissTaskCompleteMessage() {
+		hideObj(taskCompleteMessage);
+		for (i = 0; i < taskCompleteMessage.stars.length; i++) {
+			hideObj(taskCompleteMessage.stars[i]);
+		}
+		if (!un(taskCompleteMessage.interval)) {
+			clearInterval(taskCompleteMessage.interval);
+		}
+		removeListener(window,dismissTaskCompleteMessage);
+	}	
+	
+	function createHorizPos(num,width,left,right) {
+		if (typeof left == 'undefined') left = width;
+		if (typeof right == 'undefined') right = width;
+		var space = (1200 - num * width - left - right) / (num-1);
+		var arr = [];
+		for (var i = 0; i < num; i++) {
+			arr[i] = left+i*(width+space);
+		}
+		return arr;
+	}	
+	function createVertPos(num,height,top,bottom) {
+		if (typeof top == 'undefined') top = height;
+		if (typeof bottom == 'undefined') bottom = height;
+		var space = (620 - num * height - top - bottom) / (num-1);
+		var arr = [];
+		for (var i = 0; i < num; i++) {
+			arr[i] = 80+top+i*(height+space);
+		}
+		return arr;
+	}	
+		
+	function swipedetect(el, callback){
+		var touchsurface = el,
+		swipedir,
+		startX,
+		startY,
+		distX,
+		distY,
+		dist,
+		threshold = 150, //required min distance traveled to be considered swipe
+		restraint = 100, // maximum distance allowed at the same time in perpendicular direction
+		allowedTime = 400, // maximum time allowed to travel that distance
+		elapsedTime,
+		startTime,
+		handleswipe = callback || function(swipedir){}
+	  
+		touchsurface.addEventListener('touchstart', function(e){
+			var touchobj = e.changedTouches[0]
+			swipedir = 'none'
+			dist = 0
+			startX = touchobj.pageX
+			startY = touchobj.pageY
+			startTime = new Date().getTime() // record time when finger first makes contact with surface
+			e.preventDefault()
+		}, false)
+	  
+		touchsurface.addEventListener('touchmove', function(e){
+			e.preventDefault() // prevent scrolling when inside DIV
+		}, false)
+	  
+		touchsurface.addEventListener('touchend', function(e){
+			var touchobj = e.changedTouches[0]
+			distX = touchobj.pageX - startX // get horizontal dist traveled by finger while in contact with surface
+			distY = touchobj.pageY - startY // get vertical dist traveled by finger while in contact with surface
+			elapsedTime = new Date().getTime() - startTime // get time elapsed
+			if (elapsedTime <= allowedTime){ // first condition for awipe met
+				if (Math.abs(distX) >= threshold && Math.abs(distY) <= restraint){ // 2nd condition for horizontal swipe met
+					swipedir = (distX < 0)? 'left' : 'right' // if dist traveled is negative, it indicates left swipe
+				}
+				else if (Math.abs(distY) >= threshold && Math.abs(distX) <= restraint){ // 2nd condition for vertical swipe met
+					swipedir = (distY < 0)? 'up' : 'down' // if dist traveled is negative, it indicates up swipe
+				}
+			}
+			if (e.target.drag !== true) handleswipe(swipedir)
+			e.preventDefault()
+		}, false)
+	}
+	swipedetect (canvas, function(swipedir){
+		// swipedir contains either "none", "left", "right", "top", or "down"
+		
+		if (swipedir == 'left') {
+			nextPage();
+		} else if (swipedir == 'right') {
+			prevPage();
+		}
+	})
+}
+function getBrowserInfo() {
+	/**
+	 * JavaScript Client Detection
+	 * (C) viazenetti GmbH (Christian Ludwig)
+	 */
+
+	var unknown = '-';
+
+	// screen
+	var screenSize = '';
+	if (screen.width) {
+		width = (screen.width) ? screen.width : '';
+		height = (screen.height) ? screen.height : '';
+		screenSize += '' + width + " x " + height;
+	}
+
+	// browser
+	var nVer = navigator.appVersion;
+	var nAgt = navigator.userAgent;
+	var browser = navigator.appName;
+	var version = '' + parseFloat(navigator.appVersion);
+	var majorVersion = parseInt(navigator.appVersion, 10);
+	var nameOffset, verOffset, ix;
+
+	// Opera
+	if ((verOffset = nAgt.indexOf('Opera')) != -1) {
+		browser = 'Opera';
+		version = nAgt.substring(verOffset + 6);
+		if ((verOffset = nAgt.indexOf('Version')) != -1) {
+			version = nAgt.substring(verOffset + 8);
+		}
+	}
+	// Opera Next
+	if ((verOffset = nAgt.indexOf('OPR')) != -1) {
+		browser = 'Opera';
+		version = nAgt.substring(verOffset + 4);
+	}
+	// Edge
+	else if ((verOffset = nAgt.indexOf('Edge')) != -1) {
+		browser = 'Microsoft Edge';
+		version = nAgt.substring(verOffset + 5);
+	}
+	// MSIE
+	else if ((verOffset = nAgt.indexOf('MSIE')) != -1) {
+		browser = 'Microsoft Internet Explorer';
+		version = nAgt.substring(verOffset + 5);
+	}
+	// Chrome
+	else if ((verOffset = nAgt.indexOf('Chrome')) != -1) {
+		browser = 'Chrome';
+		version = nAgt.substring(verOffset + 7);
+	}
+	// Safari
+	else if ((verOffset = nAgt.indexOf('Safari')) != -1) {
+		browser = 'Safari';
+		version = nAgt.substring(verOffset + 7);
+		if ((verOffset = nAgt.indexOf('Version')) != -1) {
+			version = nAgt.substring(verOffset + 8);
+		}
+	}
+	// Firefox
+	else if ((verOffset = nAgt.indexOf('Firefox')) != -1) {
+		browser = 'Firefox';
+		version = nAgt.substring(verOffset + 8);
+	}
+	// MSIE 11+
+	else if (nAgt.indexOf('Trident/') != -1) {
+		browser = 'Microsoft Internet Explorer';
+		version = nAgt.substring(nAgt.indexOf('rv:') + 3);
+	}
+	// Other browsers
+	else if ((nameOffset = nAgt.lastIndexOf(' ') + 1) < (verOffset = nAgt.lastIndexOf('/'))) {
+		browser = nAgt.substring(nameOffset, verOffset);
+		version = nAgt.substring(verOffset + 1);
+		if (browser.toLowerCase() == browser.toUpperCase()) {
+			browser = navigator.appName;
+		}
+	}
+	// trim the version string
+	if ((ix = version.indexOf(';')) != -1) version = version.substring(0, ix);
+	if ((ix = version.indexOf(' ')) != -1) version = version.substring(0, ix);
+	if ((ix = version.indexOf(')')) != -1) version = version.substring(0, ix);
+
+	majorVersion = parseInt('' + version, 10);
+	if (isNaN(majorVersion)) {
+		version = '' + parseFloat(navigator.appVersion);
+		majorVersion = parseInt(navigator.appVersion, 10);
+	}
+
+	// mobile version
+	var mobile = /Mobile|mini|Fennec|Android|iP(ad|od|hone)/.test(nVer);
+
+	// cookie
+	var cookieEnabled = (navigator.cookieEnabled) ? true : false;
+
+	if (typeof navigator.cookieEnabled == 'undefined' && !cookieEnabled) {
+		document.cookie = 'testcookie';
+		cookieEnabled = (document.cookie.indexOf('testcookie') != -1) ? true : false;
+	}
+
+	// system
+	var os = unknown;
+	var clientStrings = [
+		{s:'Windows 10', r:/(Windows 10.0|Windows NT 10.0)/},
+		{s:'Windows 8.1', r:/(Windows 8.1|Windows NT 6.3)/},
+		{s:'Windows 8', r:/(Windows 8|Windows NT 6.2)/},
+		{s:'Windows 7', r:/(Windows 7|Windows NT 6.1)/},
+		{s:'Windows Vista', r:/Windows NT 6.0/},
+		{s:'Windows Server 2003', r:/Windows NT 5.2/},
+		{s:'Windows XP', r:/(Windows NT 5.1|Windows XP)/},
+		{s:'Windows 2000', r:/(Windows NT 5.0|Windows 2000)/},
+		{s:'Windows ME', r:/(Win 9x 4.90|Windows ME)/},
+		{s:'Windows 98', r:/(Windows 98|Win98)/},
+		{s:'Windows 95', r:/(Windows 95|Win95|Windows_95)/},
+		{s:'Windows NT 4.0', r:/(Windows NT 4.0|WinNT4.0|WinNT|Windows NT)/},
+		{s:'Windows CE', r:/Windows CE/},
+		{s:'Windows 3.11', r:/Win16/},
+		{s:'Android', r:/Android/},
+		{s:'Open BSD', r:/OpenBSD/},
+		{s:'Sun OS', r:/SunOS/},
+		{s:'Linux', r:/(Linux|X11)/},
+		{s:'iOS', r:/(iPhone|iPad|iPod)/},
+		{s:'Mac OS X', r:/Mac OS X/},
+		{s:'Mac OS', r:/(MacPPC|MacIntel|Mac_PowerPC|Macintosh)/},
+		{s:'QNX', r:/QNX/},
+		{s:'UNIX', r:/UNIX/},
+		{s:'BeOS', r:/BeOS/},
+		{s:'OS/2', r:/OS\/2/},
+		{s:'Search Bot', r:/(nuhk|Googlebot|Yammybot|Openbot|Slurp|MSNBot|Ask Jeeves\/Teoma|ia_archiver)/}
+	];
+	for (var id in clientStrings) {
+		var cs = clientStrings[id];
+		if (cs.r.test(nAgt)) {
+			os = cs.s;
+			break;
+		}
+	}
+
+	var osVersion = unknown;
+
+	if (/Windows/.test(os)) {
+		var a = /Windows (.*)/.exec(os)
+		if (a instanceof Array) {
+			osVersion = a[1];
+		}
+		os = 'Windows';
+	}
+
+	switch (os) {
+		case 'Mac OS X':
+			var a = /Mac OS X (10[\.\_\d]+)/.exec(nAgt);
+			if (a instanceof Array) {
+				osVersion = a[1];
+			}
+			break;
+
+		case 'Android':
+			var a = /Android ([\.\_\d]+)/.exec(nAgt);
+			if (a instanceof Array) {
+				osVersion = a[1];
+			}
+			break;
+
+		case 'iOS':
+			var a = /OS (\d+)_(\d+)_?(\d+)?/.exec(nVer);
+			if (a instanceof Array) {
+				osVersion = a[1] + '.' + a[2] + '.' + (a[3] | 0);
+			}
+			break;
+	}
+
+	window.browserinfo = {
+		screen: screenSize,
+		browser: browser,
+		browserVersion: version,
+		browserMajorVersion: majorVersion,
+		mobile: mobile,
+		os: os,
+		osVersion: osVersion,
+		cookies: cookieEnabled,
+	};
+	return os+" "+osVersion+" "+browser+" "+version+" "+screenSize+" mobile:"+mobile+" cookies:"+cookieEnabled;
+}	
+
+function stopDefaultBackspaceBehaviour(e) {
+	if (e.keyCode == 8 && e.target.nodeName !== 'TEXTAREA' && e.target.nodeName !== 'INPUT' && e.target.nodeName !== 'TD') {
+		e.preventDefault ? e.preventDefault() : e.returnValue = false;
+	}
+}
+function xWindowToCanvas(xCoord) {
+	return mainCanvasWidth * ((xCoord - canvasMetrics.left) / (canvasDisplayWidth));
+}
+function xCanvasToWindow(xCoord) {
+	return canvasMetrics.left + (xCoord / mainCanvasWidth) * canvasDisplayWidth;
+}
+function yWindowToCanvas(yCoord) {
+	return mainCanvasHeight * ((yCoord - canvasMetrics.top) / canvasDisplayHeight);
+}
+function yCanvasToWindow(yCoord) {
+	return canvasMetrics.top + (yCoord / mainCanvasHeight) * canvasDisplayHeight;
+}
+
+function addListener(toButton, yourFunction) {
+	toButton.addEventListener("touchend", yourFunction, false)
+	toButton.addEventListener("mouseup", yourFunction, false)
+}
+function removeListener(toButton, yourFunction) {
+	toButton.removeEventListener("touchend", yourFunction, false)
+	toButton.removeEventListener("mouseup", yourFunction, false)
+}
+function addListenerStart(toButton, yourFunction) {
+	toButton.addEventListener("touchstart", yourFunction, false)
+	toButton.addEventListener("mousedown", yourFunction, false);
+}
+function removeListenerStart(toButton, yourFunction) {
+	toButton.removeEventListener("touchstart", yourFunction, false)
+	toButton.removeEventListener("mousedown", yourFunction, false);
+}
+function addListenerMove(toButton, yourFunction) {
+	toButton.addEventListener("touchmove", yourFunction, false)
+	toButton.addEventListener("mousemove", yourFunction, false)
+}
+function removeListenerMove(toButton, yourFunction) {
+	toButton.removeEventListener("touchmove", yourFunction, false)
+	toButton.removeEventListener("mousemove", yourFunction, false)
+}
+function addListenerEnd(toButton, yourFunction) {
+	toButton.addEventListener("touchend", yourFunction, false)
+	toButton.addEventListener("mouseup", yourFunction, false);
+}
+function removeListenerEnd(toButton, yourFunction) {
+	toButton.removeEventListener("touchend", yourFunction, false)
+	toButton.removeEventListener("mouseup", yourFunction, false);
+}
+
+function resize() {
+	var totalWidth = mainCanvasWidth + mainCanvasMargins[0] + mainCanvasMargins[2];
+	var totalHeight = mainCanvasHeight + mainCanvasMargins[1] + mainCanvasMargins[3];
+	var aspectRatio = totalWidth / totalHeight;
+	if (window.innerWidth / window.innerHeight > aspectRatio) {
+		var totalDisplayWidth = window.innerHeight * aspectRatio;
+		var totalDisplayHeight = window.innerHeight;
+	} else {
+		var totalDisplayWidth = window.innerWidth;
+		var totalDisplayHeight = window.innerWidth / aspectRatio;
+	}
+	canvasDisplayWidth = totalDisplayWidth * (mainCanvasWidth / totalWidth);
+	canvasDisplayHeight = totalDisplayHeight * (mainCanvasHeight / totalHeight);
+	canvasDisplayLeft = (window.innerWidth - totalDisplayWidth) / 2 + mainCanvasMargins[0] * (totalDisplayWidth/totalWidth);
+	canvasDisplayTop = (window.innerHeight - totalDisplayHeight) / 2 + mainCanvasMargins[1] * (totalDisplayHeight/totalHeight);
+		
+	//canvas.style.left = canvasDisplayLeft + 'px';
+	//canvas.style.top = canvasDisplayTop + 'px';
+	//canvas.style.top = '0px';
+	canvas.style.width = canvasDisplayWidth + 'px';
+	canvas.style.height = canvasDisplayHeight + 'px';
+	canvasDisplayRect = canvas.getBoundingClientRect();
+	
+	if (typeof inactiveBox !== 'undefined')	resizeCanvas(inactiveBox, 400, 290, 400, 120);
+	if (boolean(isTask,true) == true) {
+		resizeCanvas3(holder.prev);
+		resizeCanvas3(holder.next);
+		resizeCanvas3(holder.reload);
+		resizeCanvas3(holder.canvas);
+		resizeCanvas3(holder.check);
+		resizeCanvas3(holder.home);
+		resizeCanvas3(holder.home2);
+		resizeCanvas3(holder.loading);
+		resizeCanvas3(holder.summary);
+		resizeCanvas3(holder.summary2);
+		resizeCanvas3(holder.disablePeCanvas);
+		for (var i = 0; i < holder.feedback.length; i++) {
+			if (!un(holder.feedback[i])) resizeCanvas3(holder.feedback[i]); 
+		}
+		for (var i = 0; i < holder.feedbackButton.length; i++) {
+			if (!un(holder.feedbackButton[i])) resizeCanvas3(holder.feedbackButton[i]); 
+		}
+		for (var i = 0; i < holder.completed.length; i++) {
+			if (!un(holder.completed[i])) resizeCanvas3(holder.completed[i]); 
+		}
+		if (pageIndex < pages.length) {
+			if (!un(pages[pageIndex].stars)) {
+				for (var s = 0; s < pages[pageIndex].stars.length; s++) {
+					resizeCanvas3(pages[pageIndex].stars[s]);
+				}
+			}
+		}
+	}
+	if (!un(canvases[pageIndex])) {
+		for (var c = 0; c < canvases[pageIndex].length; c++) {
+			resizeCanvas3(canvases[pageIndex][c]);
+		}
+	}
+	if (!un(taskCompleteMessage)) {
+		resizeCanvas3(taskCompleteMessage);
+		for (var c = 0; c < taskCompleteMessage.stars.length; c++) {
+			resizeCanvas3(taskCompleteMessage.stars[c]);
+		}
+	}	
+	if (!un(mathsInput[pageIndex])) {
+		for (var m = 0; m < mathsInput[pageIndex].length; m++) {
+			resizeCanvas3(mathsInput[pageIndex][m].canvas);
+			resizeCanvas3(mathsInput[pageIndex][m].cursorCanvas);
+		}
+	}
+	if (!un(slider[pageIndex])) {
+		for (var s = 0; s < slider[pageIndex].length; s++) {
+			resizeCanvas3(slider[pageIndex][s].backCanvas);
+			resizeCanvas3(slider[pageIndex][s].sliderCanvas);
+			resizeCanvas3(slider[pageIndex][s].labelCanvas);
+		}
+	}	
+	for (var j = 0; j < keyboard.length; j++) {
+		if (typeof keyboard[j] !== 'undefined') {
+			resizeCanvas3(keyboardButton1);
+			resizeCanvas3(keyboardButton2);
+			resizeCanvas(keyboard[j], keyboardData[j][100], keyboardData[j][101], keyboardData[j][2], keyboardData[j][3]);
+			for (var i = 0; i <key1[j].length; i++) {
+				resizeCanvas(key1[j][i], key1Data[j][i][100], key1Data[j][i][101], key1Data[j][i][2], key1Data[j][i][3]);
+			}
+		}
+	}
+	
+	canvasMetrics = canvas.getBoundingClientRect();
+	
+	var children = container.children;
+	for (var c = 0; c < children.length; c++) {
+		var child = children[c];
+		if (!un(draw.div) && child == draw.div) continue;
+		if (!un(child.data)) resizeCanvas3(child);
+	}
+	var nodes = Array.from(container.childNodes);
+	for (var n = 0; n < nodes.length; n++) {
+		if (typeof nodes[n].resize == 'function') nodes[n].resize();
+	}
+	if (typeof onResize == 'function') onResize();
+}
+function resizeCanvas(canvasToResize, left, top, width, height) {
+	resizeCanvas3(canvasToResize, left, top, width, height)
+	/*if (typeof canvasToResize !== 'object') return;
+	if (typeof canvasToResize.style == 'undefined') return;
+	//console.log(canvasToResize);
+	if (canvasToResize.isStaticMenuCanvas == true) {
+		var l = 0.5 * (window.innerWidth - Number(String(canvas.style.width).slice(0, -2))) + canvasDisplayWidth * (left / mainCanvasWidth);
+		var t = canvasDisplayHeight * (top / mainCanvasHeight);
+	} else {
+		var l = 0.5 * (window.innerWidth - Number(String(canvas.style.width).slice(0, -2))) + canvasDisplayWidth * (left / mainCanvasWidth) + mainCanvasLeft;
+		var t = canvasDisplayHeight * (top / mainCanvasHeight) + mainCanvasTop;
+	}
+	var w = canvasDisplayWidth * (width / mainCanvasWidth);
+	var h = canvasDisplayHeight * (height / mainCanvasHeight);
+	canvasToResize.style.left = l + "px";
+	canvasToResize.style.top = t + "px";
+	canvasToResize.style.width = w + "px";
+	canvasToResize.style.height = h + "px";*/
+}
+function resizeCanvas2(canvasToResize, left, top) {
+	resizeCanvas3(canvasToResize, left, top)
+	/*if (un(canvasToResize)) return;
+	if (canvasToResize.isStaticMenuCanvas == true) {
+		var l = 0.5 * (window.innerWidth - Number(String(canvas.style.width).slice(0, -2))) + canvasDisplayWidth * (left / mainCanvasWidth) + mainCanvasLeft;
+		var t = canvasDisplayHeight * (top / mainCanvasHeight) + mainCanvasTop;
+	} else {
+		var l = 0.5 * (window.innerWidth - Number(String(canvas.style.width).slice(0, -2))) + canvasDisplayWidth * (left / mainCanvasWidth) + mainCanvasLeft;
+		var t = canvasDisplayHeight * (top / mainCanvasHeight) + mainCanvasTop;
+	}
+	canvasToResize.style.left = l + "px";
+	canvasToResize.style.top = t + "px";*/
+}
+function resizeCanvas3(canvasToResize,left,top,width,height) {
+	if (un(canvasToResize.style)) return;
+	if (un(canvasToResize.data)) canvasToResize.data = [];
+	if (un(left)) left = canvasToResize.data[100];
+	if (un(top)) top = canvasToResize.data[101];
+	if (un(width)) width = canvasToResize.data[102];
+	if (un(height)) height = canvasToResize.data[103];
+	
+	canvasToResize.data[100] = left;
+	canvasToResize.data[101] = top;
+	canvasToResize.data[102] = width;
+	canvasToResize.data[103] = height;
+	
+	if (!un(canvasToResize.data[110])) left += canvasToResize.data[110];
+	if (!un(canvasToResize.data[111])) top += canvasToResize.data[111];
+	
+	var xsf = canvasDisplayWidth / mainCanvasWidth;
+	var ysf = canvasDisplayHeight / mainCanvasHeight;
+	
+	canvasToResize.style.left = (canvasDisplayLeft + left * xsf) + "px";
+	canvasToResize.style.top = (top * ysf) + "px";
+	canvasToResize.style.width = (width * xsf) + "px";
+	canvasToResize.style.height = (height * ysf) + "px";
+	
+	
+	/*if (canvasToResize.isStaticMenuCanvas == true) {
+		var l = 0.5 * (window.innerWidth - Number(String(canvas.style.width).slice(0, -2))) + canvasDisplayWidth * (left / mainCanvasWidth) + mainCanvasLeft;
+		var t = canvasDisplayHeight * (top / mainCanvasHeight) + mainCanvasTop;
+	} else {
+		var l = 0.5 * (window.innerWidth - Number(String(canvas.style.width).slice(0, -2))) + canvasDisplayWidth * (left / mainCanvasWidth) + mainCanvasLeft;
+		var t = canvasDisplayHeight * (top / mainCanvasHeight) + mainCanvasTop;
+	}
+	var w = canvasDisplayWidth * (width / mainCanvasWidth);
+	var h = canvasDisplayHeight * (height / mainCanvasHeight);
+	canvasToResize.style.left = l + "px";
+	canvasToResize.style.top = t + "px";
+	canvasToResize.style.width = w + "px";
+	canvasToResize.style.height = h + "px";*/
+}
+
+function clearCanvas() {
+	if (!un(hasCanvas) && hasCanvas == false) return;
+	var canvas = document.getElementById('canvas');
+	var ctx = canvas.getContext('2d');
+	ctx.lineCap = "round";
+	ctx.lineJoin = "round";
+	ctx.strokeStyle = "#000";
+	ctx.lineWidth = mainCanvasBorderWidth;
+	ctx.beginPath();
+	ctx.moveTo(mainCanvasBorderWidth / 2, mainCanvasBorderWidth / 2);
+	ctx.lineTo(mainCanvasWidth - mainCanvasBorderWidth / 2, mainCanvasBorderWidth / 2);
+	ctx.lineTo(mainCanvasWidth - mainCanvasBorderWidth / 2, mainCanvasHeight - mainCanvasBorderWidth / 2);
+	ctx.lineTo(mainCanvasBorderWidth / 2, mainCanvasHeight - mainCanvasBorderWidth / 2);
+	ctx.lineTo(mainCanvasBorderWidth / 2, mainCanvasBorderWidth / 2);
+	ctx.closePath();
+	ctx.fillStyle = mainCanvasFillStyle;
+	ctx.fill();
+	//canvas.style.backgroundColor = mainCanvasFillStyle;
+	ctx.stroke();
+	if (isTask == true) {
+		ctx.fillStyle = '#CFF';
+		ctx.fillRect(mainCanvasBorderWidth,mainCanvasBorderWidth,1200-2*mainCanvasBorderWidth,80-mainCanvasBorderWidth);
+		ctx.lineWidth = 4;
+		ctx.beginPath();
+		ctx.moveTo(0,80);
+		ctx.lineTo(1200,80);
+		ctx.stroke();
+	}
+}
+
+function createCanvas(l,t,w,h,v,d,p,z) {
+	return newctx({rect:[l,t,w,h],vis:v,drag:d,pe:p,z:z}).canvas;
+}
+function newctx(obj) {
+	if (typeof obj == 'undefined')
+		obj = {};
+	if (typeof obj.rect !== 'undefined') {
+		obj.l = obj.rect[0];
+		obj.t = obj.rect[1];
+		obj.w = obj.rect[2];
+		obj.h = obj.rect[3];
+	}
+	var l = obj.l || obj.left || 0;
+	var t = obj.t || obj.top || 0;
+	var w = obj.w || obj.width || 1200;
+	var h = obj.h || obj.height || 700;
+	var cnv = document.createElement('canvas');	
+	cnv.vis = def([obj.visible,obj.vis,true]);
+	cnv.drag = def([obj.draggable,obj.drag,false]);
+	cnv.pe = def([obj.pointerEvents,obj.pE,obj.pe,false]);
+	cnv.z = def([obj.zIndex,obj.z,2]);
+	cnv.width = w;
+	cnv.height = h;
+	cnv.setAttribute('position', 'absolute');
+	cnv.setAttribute('cursor', 'auto');
+	cnv.setAttribute('draggable', 'false');
+	cnv.setAttribute('class', 'buttonClass');	
+	cnv.data = [l,t,w,h,cnv.vis,cnv.drag,cnv.pe,cnv.z];
+	for (var i = 0; i < 8; i++) cnv.data[100+i] = cnv.data[i];
+	cnv.ctx = cnv.getContext('2d');
+	if (cnv.drag == true) {
+		makeDraggable(cnv);
+		if (!un(obj.dragStart)) cnv.dragStart = obj.dragStart;
+		if (!un(obj.dragMove)) cnv.dragMove = obj.dragMove;
+		if (!un(obj.dragStop)) cnv.dragStop = obj.dragStop;
+		if (!un(obj.dragArea)) cnv.dragArea = obj.dragArea;
+	}
+	cnv.style.zIndex = cnv.z;
+	if (cnv.pe == false) {
+		cnv.style.pointerEvents = 'none';
+	} else {
+		cnv.style.pointerEvents = 'auto';
+	}
+	if (typeof cnv.ctx.getLineDash !== 'function')
+		cnv.ctx.getLineDash = function () {
+			return []
+		};
+	if (typeof cnv.ctx.setLineDash !== 'function')
+		cnv.ctx.setLineDash = function () {};
+	
+	if (!un(canvases[pageIndex]) && boolean(obj.page,true) == true) canvases[pageIndex].push(cnv);
+	var ctx = cnv.ctx;
+	ctx.canvas = cnv;
+	ctx.data = cnv.data;
+	resizeCanvas3(cnv);
+	if (isTask == false && cnv.vis == true) {
+		showObj(cnv);
+	}
+	return ctx;
+}
+function textCanvas(rect,txt,color,drag) {
+	var ctx = newctx({rect:rect,drag:boolean(drag,false),pe:true});
+	ctx.color = color;
+	ctx.text = txt;
+	ctx.rect = rect;
+	ctx.draw = function() {
+		this.clear();
+		text({ctx:this,textArray:this.text,left:2,top:2,width:this.rect[2]-4,height:this.rect[3]-4,align:'center',vertAlign:'middle',box:{type:'loose',borderWidth:4,borderColor:'#000',color:this.color,radius:8}});
+	}
+	ctx.draw();
+	return ctx;
+}
+function textBox(ctx,rect,txt,color,borderColor,dash) {
+	if (un(color)) color = 'none';
+	if (un(borderColor)) borderColor = '#000';
+	if (un(dash)) dash = [];
+	text({ctx:ctx,textArray:txt,left:rect[0]+2,top:rect[1]+2,width:rect[2]-4,height:rect[3]-4,align:'center',vertAlign:'middle',box:{type:'loose',borderWidth:4,borderColor:borderColor,color:color,radius:8,dash:dash}});
+}
+function circleTextBox(ctx,rect,txt,color,borderColor,dash) {
+	if (un(color)) color = 'none';
+	if (un(borderColor)) borderColor = '#000';
+	if (un(dash)) dash = [];
+	ctx.save();
+	ctx.strokeStyle = borderColor;
+	ctx.fillStyle = color;
+	ctx.lineWidth = 4;
+	ctx.setLineDash(dash);
+	ctx.beginPath();
+	ctx.arc(rect[0]+rect[2]/2,rect[1]+rect[3]/2,Math.min(rect[2],rect[3])/2-2,0,2*Math.PI);
+	ctx.fill();
+	ctx.stroke();
+	text({ctx:ctx,textArray:txt,left:rect[0],top:rect[1],width:rect[2],height:rect[3],align:'center',vertAlign:'middle'});
+	ctx.restore();
+}
+function circleTextCanvas(rect,txt,color,drag) {
+	var ctx = newctx({rect:rect,drag:boolean(drag,false),pe:true});
+	ctx.save();
+	ctx.strokeStyle = '#000';
+	ctx.fillStyle = color;
+	ctx.lineWidth = 4;
+	ctx.beginPath();
+	ctx.arc(rect[2]/2,rect[3]/2,Math.min(rect[2],rect[3])/2-2,0,2*Math.PI);
+	ctx.fill();
+	ctx.stroke();
+	text({ctx:ctx,textArray:txt,left:0,top:0,width:rect[2],height:rect[3],align:'center',vertAlign:'middle'});
+	ctx.restore();
+	return ctx;
+}
+function arrayCheck(array,element) {
+	for (var i = 0; i < array.length; i++) {
+		if (array[i] == element) return true;
+		if (typeof array[i] == 'object' && arraysEqual(array[i], element) == true) return true;
+	}
+	return false;
+}
+
+function makeDraggable(object) {
+	addListenerStart(object,dragStart);
+	object.style.cursor = openhand;
+	object.drag == true;
+	object.data[5] = true;
+	object.data[105] = true;
+}
+function makeNotDraggable(object) {
+	object.drag = false;
+	removeListenerStart(object,dragStart);
+	object.style.cursor = 'default';
+}
+var dragObj;
+function dragStart(e) {
+	e.preventDefault();
+	var canvas = e.target;
+	canvas.style.zIndex = zIndexFront;
+	zIndexFront++;
+	updateMouse(e);
+	dragOffset.x = mouse.x - canvas.data[100];
+	dragOffset.y = mouse.y - canvas.data[101];
+	
+	if (un(canvas.dragArea)) {
+		dragArea.xMin = mainCanvasBorderWidth;
+		dragArea.xMax = 1200-mainCanvasBorderWidth-canvas.data[102];
+		dragArea.yMin = 80;
+		dragArea.yMax = 700-mainCanvasBorderWidth-canvas.data[103];
+	} else {
+		dragArea.xMin = canvas.dragArea[0];
+		dragArea.yMin = canvas.dragArea[1];
+		dragArea.xMax = canvas.dragArea[0]+canvas.dragArea[2];
+		dragArea.yMax = canvas.dragArea[1]+canvas.dragArea[3];
+	}
+	
+	if (!un(canvas.dragPath)) {
+		draw.interact.clearFeedback();
+		draw._dragAreas = [];
+		var path = canvas.dragPath;
+		for (var p = 0; p < draw.path.length; p++) {
+			var path2 = draw.path[p];
+			if (!un(path2.isInput) && path2.isInput.type == 'dragArea') {
+				if (!un(path2._dragHit)) {
+					if (path2._dragHit == path) {
+						delete path2._dragHit;
+					} else {
+						continue;
+					}
+				}
+				var snap = boolean(path2.isInput.snap,false);
+				var rect = clone(path2.tightBorder);
+				var center = [rect[0]+0.5*rect[2],rect[1]+0.5*rect[3]];
+				var value = path2.isInput.value;
+				draw._dragAreas.push({
+					rect:rect,
+					center:center,
+					snap:snap,
+					path:path2,
+					value:value
+				});
+			}
+		};
+		//console.log(draw._dragAreas);
+	}
+	
+	addListenerMove(window,dragMove);
+	addListenerEnd(window,dragStop);
+	canvas.style.cursor = closedhand;
+	dragObj = canvas;
+	//console.log(dragObj,dragObj.data[5],dragObj.ondragstart,dragObj.ondragmove)
+	if (!un(page) && !un(page[pageIndex].dragSnapPos)) {
+		for (var d = 0; d < page[pageIndex].dragSnapPos.length; d++) {
+			if (page[pageIndex].dragSnapPos[d][4] == dragObj) {
+				page[pageIndex].dragSnapPos[d][4] = null;
+			}
+		}
+	}
+	if (typeof canvas.ondragstart == 'function') canvas.ondragstart();
+	if (typeof canvas.dragStart == 'function') canvas.dragStart(canvas);
+	if (!un(page) && typeof page[pageIndex].clear == 'function') page[pageIndex].clear();
+}
+function dragMove(e) {
+	e.preventDefault();
+	updateMouse(e);
+	var l = mouse.x - dragOffset.x;
+	l = Math.max(l, dragArea.xMin);
+	l = Math.min(l, dragArea.xMax);
+	var t = mouse.y - dragOffset.y;
+	t = Math.max(t, dragArea.yMin);
+	t = Math.min(t, dragArea.yMax);
+	dragObj.data[100] = l;
+	dragObj.data[101] = t;
+	resizeCanvas3(dragObj);
+	
+	var canvas = dragObj;
+	if (!un(canvas.dragPath)) {
+		var path = canvas.dragPath;
+		var pos = [canvas.data[100]+0.5*canvas.data[102],canvas.data[101]+0.5*canvas.data[103]];
+		//delete path._dragAreaHit.path._dragHit;
+		delete path._dragAreaHit;
+		path._match = false;
+		for (d = 0; d < draw._dragAreas.length; d++) {
+			var area = draw._dragAreas[d];
+			if (dist(pos[0],pos[1],area.center[0],area.center[1]) < 50) {
+				path._dragAreaHit = area;
+				area.path._dragHit = path;
+				if (path.isInput.value == area.value) path._match = true;
+				if (area.snap == true) {
+					dragObj.data[100] = area.rect[0]+0.5*area.rect[2]-0.5*canvas.data[102];
+					dragObj.data[101] = area.rect[1]+0.5*area.rect[3]-0.5*canvas.data[103];
+					resizeCanvas3(dragObj);
+				}
+			} else if (area.path._dragHit == path) {
+				delete area.path._dragHit;
+				delete path._dragAreaHit;
+			}
+		}
+	}
+	
+	if (typeof dragObj.ondragmove == 'function') dragObj.ondragmove();	
+	if (typeof dragObj.dragMove == 'function') dragObj.dragMove();	
+}
+function dragStop(e) {
+	e.preventDefault();
+	updateMouse(e);	
+	removeListenerMove(window,dragMove);
+	removeListenerEnd(window,dragStop);	
+	dragObj.style.cursor = openhand;
+	
+	/*var canvas = dragObj;
+	if (!un(canvas.dragPath)) {
+		var path = canvas.dragPath;
+		console.log(path._match == true);
+	}*/
+	if (!un(page) && !un(page[pageIndex].dragSnapPos)) {
+		var closest = -1;
+		var closestDist = 100000;
+		var closestPos = [];
+		for (var d = 0; d < page[pageIndex].dragSnapPos.length; d++) {
+			var pos = page[pageIndex].dragSnapPos[d];
+			if (hitTestRect2(dragObj,pos[0],pos[1],pos[2],pos[3]) == true) {
+				/*if (typeof pos[4] !== 'undefined' && pos[4] !== null) {
+					pos[4].data[100] = pos[4].data[0];
+					pos[4].data[101] = pos[4].data[1];
+					resizeCanvas3(pos[4]);
+				}*/
+				var dist2 = dist(dragObj.data[100],dragObj.data[101],pos[0],pos[1]);
+				if (dist2 < closestDist) {
+					closest = d;
+					closestDist = dist2;
+					closestPos = pos;
+				}
+				/*dragObj.data[100] = pos[0];
+				dragObj.data[101] = pos[1];
+				resizeCanvas3(dragObj);
+				pos[4] = dragObj;
+				break;*/
+			}
+		}
+		if (closest > -1) {
+			var pos = closestPos;
+			if (typeof pos[4] !== 'undefined' && pos[4] !== null) {
+				pos[4].data[100] = pos[4].data[0];
+				pos[4].data[101] = pos[4].data[1];
+				resizeCanvas3(pos[4]);
+			}
+			dragObj.data[100] = pos[0];
+			dragObj.data[101] = pos[1];
+			resizeCanvas3(dragObj);
+			pos[4] = dragObj;
+		}
+	}
+	if (typeof dragObj.ondragstop == 'function') dragObj.ondragstop();	
+	if (typeof dragObj.dragStop == 'function') dragObj.dragStop();
+	dragObj = null;
+}
+
+function showObj(obj, hideAfter) {
+	if (un(obj)) return;
+	if (!isElement(obj)) {
+		if (obj instanceof Array) {
+			for (var i = 0; i < obj.length; i++) {
+				showObj(obj[i]);
+			}
+		} else if (typeof obj == 'object') {
+			for (var i in obj) {
+				showObj(obj[i]);
+			}
+		}
+		return;
+	}
+	if (!un(draw) && !un(draw.div) && draw.drawCanvas.indexOf(obj) > -1) {
+		draw.div.children[0].appendChild(obj);
+	} else {
+		container.appendChild(obj);
+		resizeCanvas3(obj);
+	}
+	obj.vis = true;
+	if (typeof hideAfter == 'number') {
+		setTimeout(function () {
+			hideObj(obj)
+		}, hideAfter);
+	}
+}
+function hideObj(obj) {
+	if (un(obj)) return;
+	if (!isElement(obj)) {
+		if (obj instanceof Array) {
+			for (var i = 0; i < obj.length; i++) {
+				hideObj(obj[i]);
+			}
+		} else if (typeof obj == 'object') {
+			for (var i in obj) {
+				hideObj(obj[i]);
+			}
+		}
+		return;
+	}
+	obj.vis = false;
+	if (obj.parentNode == container) {
+		container.removeChild(obj)
+	} else if (!un(draw) && !un(draw.div) && draw.drawCanvas.indexOf(obj) > -1 && !un(obj.parentNode)) {
+		obj.parentNode.removeChild(obj);
+	}
+}
diff --git a/tools/i2/_keyboard.js b/tools/i2/_keyboard.js
new file mode 100644
index 0000000..5de2e55
--- /dev/null
+++ b/tools/i2/_keyboard.js
@@ -0,0 +1,709 @@
+
+function mathsInputFrac(e) {mathsInputElement("['frac', [''], ['']]");}
+function mathsInputPow(e) {mathsInputElement("['power', false, ['']]");}
+function mathsInputSubs(e) {mathsInputElement("['subs', [''], ['']]");}
+function mathsInputRoot(e) {mathsInputElement("['root', [''], ['']]");}
+function mathsInputSqrt(e) {mathsInputElement("['sqrt', ['']]");}
+function mathsInputSin(e) {mathsInputElement("['sin', ['']]");}
+function mathsInputCos(e) {mathsInputElement("['cos', ['']]");}
+function mathsInputTan(e) {mathsInputElement("['tan', ['']]");}
+function mathsInputInvSin(e) {mathsInputElement("['sin-1', ['']]");}
+function mathsInputInvCos(e) {mathsInputElement("['cos-1', ['']]");}
+function mathsInputInvTan(e) {mathsInputElement("['tan-1', ['']]");}
+function mathsInputLn(e) {mathsInputElement("['ln', ['']]");}
+function mathsInputLog(e) {mathsInputElement("['log', ['']]");}
+function mathsInputLogBase(e) {mathsInputElement("['logBase', [''], ['']]");}
+function mathsInputAbs(e) {mathsInputElement("['abs', ['']]");}
+function mathsInputExp(e) {mathsInputElement("['exp', ['']]");}
+function mathsInputSigma1(e) {mathsInputElement("['sigma1', ['']]");}
+function mathsInputSigma2(e) {mathsInputElement("['sigma2', [''], [''], ['']]");}
+function mathsInputInt1(e) {mathsInputElement("['int1', ['']]");}
+function mathsInputInt2(e) {mathsInputElement("['int2', [''], [''], ['']]");}
+function mathsInputVectorArrow(e) {mathsInputElement("['vectorArrow', ['']]");}
+function mathsInputBar(e) {mathsInputElement("['bar', ['']]");}
+function mathsInputHat(e) {mathsInputElement("['hat', ['']]");}
+function mathsInputRecurring(e) {mathsInputElement("['recurring', ['']]");}
+function mathsInputColVector2d(e) {mathsInputElement("['colVector2d', [''], ['']]");}
+function mathsInputColVector3d(e) {mathsInputElement("['colVector3d', [''], [''], ['']]");}
+function mathsInputMixedNum(e) {mathsInputElement("['mixedNum', [''], [''], ['']]");}
+function mathsInputLim(e) {mathsInputElement("['lim', [''], ['']]");}
+
+var keyboardButton1 = [];
+var keyboardButton2 = [];
+var keyboardChars = [
+	{display:'0x00D7',name:'times'},
+	{display:'0x00F7',name:'divide'},
+	{display:'0x00B0',name:'degrees'},
+	{display:'0x221E',name:'infinity'},
+	{display:'0x2261',name:'equivalence'},
+	{display:'0x2248',name:'approximately'},		
+	{display:'0x2264',name:'lessEqual'},
+	{display:'0x2265',name:'moreEqual'},
+	{display:'0x03C0',name:'pi'},
+	{display:'0x2260',name:'notEqual'},
+	{display:'0x03B8',name:'theta'},
+	{display:'0x00B1',name:'plusMinus'},
+	{display:'0x2213',name:'minusPlus'},
+	{display:'0x2B1A',name:'dottedSquare'},
+	{display:'0x2115',name:'naturals'},
+	{display:'0x2124',name:'integers'},
+	{display:'0x211A',name:'rationals'},
+	{display:'0x211D',name:'reals'},
+	{display:'0x2208',name:'elementOf'},
+	{display:'0x2209',name:'notElementOf'},
+	{display:'0x221D',name:'proportionalTo'},				
+	{display:'0x2220',name:'angle'},				
+	{display:'0x2229',name:'intersection'},				
+	{display:'0x222A',name:'union'},				
+	{display:'0x2234',name:'therefore'},
+	{display:'0x2190',name:'leftArrow'},
+	{display:'0x2191',name:'upArrow'},
+	{display:'0x2192',name:'rightArrow'},
+	{display:'0x2193',name:'downArrow'}
+];
+var keyboardElements = [
+	{display:['<<font:algebra>>x',['power',false,['']]],name:'power',func:mathsInputPow},
+	{display:['<<font:algebra>>x',['power',false,['']]],name:'pow',func:mathsInputPow},
+	{display:['x',['subs',false,['']]],name:'subs',func:mathsInputSubs},
+	{display:[['frac',[''],['']]],name:'frac',func:mathsInputFrac},
+	{display:[['sqrt',['']]],name:'sqrt',func:mathsInputSqrt},
+	{display:[['root',[''],['']]],name:'root',func:mathsInputRoot},
+	{display:[['sin',['']]],name:'sin',func:mathsInputSin},
+	{display:[['sin-1',['']]],name:'sin-1',func:mathsInputInvSin},
+	{display:[['cos',['']]],name:'cos',func:mathsInputCos},	
+	{display:[['cos-1',['']]],name:'cos-1',func:mathsInputInvCos},
+	{display:[['tan',['']]],name:'tan',func:mathsInputTan},
+	{display:[['tan-1',['']]],name:'tan-1',func:mathsInputInvTan},
+	{display:[['ln',['']]],name:'ln',func:mathsInputLn},	
+	{display:[['log',['']]],name:'log',func:mathsInputLog},	
+	{display:[['logBase',[''],['']]],name:'logBase',func:mathsInputLogBase},		
+	{display:[['abs',['']]],name:'abs',func:mathsInputAbs},
+	{display:[['exp',['']]],name:'exp',func:mathsInputExp},
+	{display:[['sigma1',['']]],name:'sigma1',func:mathsInputSigma1},
+	{display:[['sigma2',[''],[''],['']]],name:'sigma2',func:mathsInputSigma2},
+	{display:[['int1',['']]],name:'int1',func:mathsInputInt1},
+	{display:[['int2',[''],[''],['']]],name:'int2',func:mathsInputInt2},
+	{display:[['vectorArrow',['']]],name:'vectorArrow',func:mathsInputVectorArrow},
+	{display:[['bar',['']]],name:'bar',func:mathsInputBar},
+	{display:[['hat',['']]],name:'hat',func:mathsInputHat},
+	{display:[['recurring',['']]],name:'recurring',func:mathsInputRecurring},
+	{display:[['colVector2d',[''],['']]],name:'colVector2d',func:mathsInputColVector2d},
+	{display:[['colVector3d',[''],[''],['']]],name:'colVector3d',func:mathsInputColVector3d},
+	{display:[['mixedNum',[''],[''],['']]],name:'mixedNum',func:mathsInputMixedNum},
+	{display:[['lim',[''],['']]],name:'lim',func:mathsInputLim}
+];
+
+function addKeyboard(object) {
+	if (object.type == 'num') {
+		object.keyArray = [
+			['1','2','3'],
+			['4','5','6'],
+			['7','8','9'],
+			['-','0','delete']
+		];
+	}
+	object.keySize = 50;
+	object.fontSize = 36;
+	createKeyboard(object);
+}
+
+function createKeyboard(object) {
+	var keySize = object.keySize || 60;
+	var fontSize = object.fontSize || 40;
+	var keyPadding = object.keyPadding || 5;
+	var align = object.align || 'left';
+	var keyArray = object.keyArray;
+	var backColor = object.backColor || '#F0F';
+	var algText = object.algText || false;
+	var rows = object.keyArray.length;
+	var keyButtonLeft = object.keyButtonLeft || 1130;
+	var keyButtonTop = object.keyButtonTop || 630;
+	var keyButtonSize = object.keyButtonSize || 50;
+	var dragArea = object.dragArea || [15,100,15,15]; // this is xMin, yMin, xMax, yMax
+	//var textInputMode = boolean(object.textInputMode,false);
+	
+	var cols;
+	for (var i = 0; i < keyArray.length; i++) {
+		if (!cols) {cols = keyArray[i].length};
+		cols = Math.max(cols, keyArray[i].length);	
+	}
+	
+	// width and height of keyboard
+	var width = cols * (keySize + keyPadding) + keyPadding * 5;
+	var height = rows * (keySize + keyPadding) + 40 + keyPadding * 4; 
+
+	var left = object.left || 1180 - width;
+	var top = object.top || 620 - height;
+	
+	// create keyboard canvas
+	var canvasInstance = document.createElement('canvas');
+	canvasInstance.width = width;
+	canvasInstance.height = height;
+	canvasInstance.setAttribute('position', 'absolute');
+	canvasInstance.setAttribute('cursor', 'auto');
+	canvasInstance.setAttribute('draggable', 'false');
+	canvasInstance.setAttribute('class', 'buttonClass');
+	canvasInstance.style.zIndex = 800000;
+	canvasInstance.style.cursor = openhand;
+	//canvasInstance.textInputMode = textInputMode;
+	
+	canvasInstance.dragArea = dragArea;
+	var contextInstance = canvasInstance.getContext('2d');
+	roundedRect(contextInstance, 2, 2, width - 4, height - 4, 15, 4, '#000', backColor)
+	contextInstance.strokeStyle = '#333';
+	contextInstance.lineWidth = 4;
+	contextInstance.beginPath();
+	contextInstance.moveTo(15, 25);
+	contextInstance.lineTo(width - 55, 25);	
+	contextInstance.closePath();
+	contextInstance.stroke();
+	contextInstance.font = '20px Arial';
+	contextInstance.textBaseline = 'middle';
+	contextInstance.textAlign = 'center';
+	contextInstance.fillStyle = backColor;
+	contextInstance.fillRect((0.5 * width - 20) - 0.5 * contextInstance.measureText('Keyboard').width - 10, 20, contextInstance.measureText('Keyboard').width + 20, 10);
+	contextInstance.fillStyle = '#333';	
+	contextInstance.fillText('Keyboard', 0.5 * width - 20, 25);
+	
+	canvasInstance.data = [left, top, width, height];
+	for (var i = 0; i < 4; i++) {
+		canvasInstance.data[100+i] = canvasInstance.data[i];
+	}
+	canvasInstance.data[116] = false;
+	keyboard[pageIndex] = canvasInstance;
+	keyboardData[pageIndex] = canvasInstance.data;
+
+	// make draggable
+	addListenerStart(keyboard[pageIndex],dragKeyboardStart)
+	keyboardVis[pageIndex] = false;
+	
+	// create keys
+	var rowNum;
+	var colNum;
+	var keyCount = 0;
+	key1[pageIndex] = [];
+	key1Data[pageIndex] = [];
+
+	for (var rowNum = 0; rowNum < keyArray.length; rowNum++) {
+		var keyLeft;
+		if (align == 'left') {
+			keyLeft = left + keyPadding * 3;
+		} else if (align == 'right') {
+			keyLeft = left + width - keyArray[rowNum].length * (keySize + keyPadding) - keyPadding * 2;
+		} else {
+			keyLeft = left + 0.5 * (width - keyArray[rowNum].length * (keySize + keyPadding));
+		}
+		var	keyTop = top + keyPadding + 40 + keyPadding + rowNum * (keySize + keyPadding);
+		
+		for (var colNum = 0; colNum < keyArray[rowNum].length; colNum++) {
+			var canvasInstance = document.createElement('canvas');
+			canvasInstance.width = keySize;
+			canvasInstance.height = keySize;
+			canvasInstance.setAttribute('position', 'absolute');
+			canvasInstance.setAttribute('cursor', 'auto');
+			canvasInstance.setAttribute('draggable', 'false');
+			canvasInstance.setAttribute('class', 'buttonClass');
+			canvasInstance.style.zIndex = 800000;
+			canvasInstance.style.opacity = 0.7;
+			canvasInstance.style.pointerEvents = 'none';
+				
+			var contextInstance = canvasInstance.getContext('2d');
+			
+			canvasInstance.name = keyArray[rowNum][colNum];
+			canvasInstance.value = clone(keyArray[rowNum][colNum]);
+			canvasInstance.func = function(){};
+			canvasInstance.relFontSize = 1;
+			canvasInstance.keySize = keySize;			
+			canvasInstance.element = false;
+			canvasInstance.static = false;	
+			
+			for (var c = 0; c < keyboardChars.length; c++) {
+				if (canvasInstance.value == keyboardChars[c].name) {
+					canvasInstance.value = String.fromCharCode(keyboardChars[c].display);
+					break;
+				}
+			}
+			for (var e = 0; e < keyboardElements.length; e++) {
+				if (canvasInstance.value == keyboardElements[e].name) {
+					canvasInstance.relFontSize = 0.7;
+					if (['frac','mixedNum'].indexOf(canvasInstance.value) > -1) {
+						canvasInstance.relFontSize = 0.6;
+					}
+					if (['sqrt','root'].indexOf(canvasInstance.value) > -1) {
+						canvasInstance.relFontSize = 0.6;
+					}
+					canvasInstance.value = keyboardElements[e].display;
+					canvasInstance.func = keyboardElements[e].func;
+					canvasInstance.element = true;
+					break;
+				}
+			}
+			
+			if (canvasInstance.element == true || ['leftArrow','rightArrow','del','delete'].indexOf(canvasInstance.name) > -1) {
+				canvasInstance.color = '#FF0'; // color for operators
+				canvasInstance.colorPressed = '#990';
+				canvasInstance.keyType = 'operator';
+			} else if (['a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z'].indexOf(canvasInstance.name) > -1) {
+				canvasInstance.color = '#AFF'; // color for letters
+				canvasInstance.colorPressed = '#6CC';
+				canvasInstance.keyType = 'letter';
+			} else if(['0','1','2','3','4','5','6','7','8','9',0,1,2,3,4,5,6,7,8,9].indexOf(canvasInstance.name) > -1) {
+				canvasInstance.color = '#AFA'; // color for numbers
+				canvasInstance.colorPressed = '#9C9';
+				canvasInstance.keyType = 'number';
+			} else {
+				canvasInstance.color = '#FB8'; // color for misc
+				canvasInstance.colorPressed = '#C95';
+				canvasInstance.keyType = 'misc';
+			}
+			
+			canvasInstance.ctx = contextInstance;
+			canvasInstance.ctx.canvas = canvasInstance;
+			canvasInstance.keySize = keySize;
+			canvasInstance.algText = algText;
+			canvasInstance.fontSize = fontSize;
+			
+			drawKey(canvasInstance.ctx,canvasInstance.name,canvasInstance.algText,false,canvasInstance.keySize,canvasInstance.fontSize);
+			addListenerStart(canvasInstance,keyStart);
+
+			var relKeyLeft = keyLeft - left;
+			var relKeyTop = keyTop - top;
+			
+			key1[pageIndex][keyCount] = canvasInstance;
+			key1Data[pageIndex][keyCount] = [keyLeft, keyTop, keySize, keySize, relKeyLeft, relKeyTop, keyArray[rowNum][colNum]];
+			key1Data[pageIndex][keyCount][100] = keyLeft;
+			key1Data[pageIndex][keyCount][101] = keyTop;
+
+			keyLeft += keySize + keyPadding;
+			keyCount++;
+		}
+	}
+	
+	if (typeof object.staticKeys !== 'undefined') {
+		var keys2 = object.staticKeys;
+		var keyLeft = object.staticKeyPos[0];
+		var keyTop = object.staticKeyPos[1];
+		var staticKeySize = object.staticKeySize || keySize;
+		var staticKeyPadding = object.staticKeyPadding || keyPadding;
+		for (var k = 0; k < keys2.length; k++) {
+			var canvasInstance = document.createElement('canvas');
+			canvasInstance.width = staticKeySize;
+			canvasInstance.height = staticKeySize;
+			canvasInstance.setAttribute('position', 'absolute');
+			canvasInstance.setAttribute('cursor', 'auto');
+			canvasInstance.setAttribute('draggable', 'false');
+			canvasInstance.setAttribute('class', 'buttonClass');
+			canvasInstance.style.zIndex = 800000;
+			canvasInstance.style.opacity = 0.7;
+			canvasInstance.style.pointerEvents = 'none';
+				
+			var contextInstance = canvasInstance.getContext('2d');
+			
+			canvasInstance.name = keys2[k];
+			canvasInstance.value = keys2[k];
+			canvasInstance.func = function(){};
+			canvasInstance.keySize = staticKeySize;
+			canvasInstance.relFontSize = 1;
+			canvasInstance.element = false;
+			canvasInstance.static = true;
+			container.appendChild(canvasInstance);
+			
+			for (var c = 0; c < keyboardChars.length; c++) {
+				if (canvasInstance.value == keyboardChars[c].name) {
+					canvasInstance.value = String.fromCharCode(keyboardChars[c].display);
+					break;
+				}
+			}
+			for (var e = 0; e < keyboardElements.length; e++) {
+				if (canvasInstance.value == keyboardElements[e].name) {
+					canvasInstance.relFontSize = 0.9;
+					if (['frac','mixedNum'].indexOf(canvasInstance.value) > -1) {
+						canvasInstance.relFontSize = 0.8;
+					}
+					canvasInstance.value = keyboardElements[e].display;
+					canvasInstance.func = keyboardElements[e].func;
+					canvasInstance.element = true;
+					break;
+				}
+			}
+			
+			canvasInstance.ctx = contextInstance;
+			canvasInstance.ctx.canvas = canvasInstance;
+			canvasInstance.staticKeySize = staticKeySize;
+			canvasInstance.algText = algText;
+			canvasInstance.fontSize = fontSize;
+			
+			if (canvasInstance.element == true || ['leftArrow','rightArrow','del','delete'].indexOf(canvasInstance.name) > -1) {
+				canvasInstance.color = '#FF0'; // color for operators
+				canvasInstance.colorPressed = '#990';
+				canvasInstance.keyType = 'operator';
+			} else if (['a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z'].indexOf(canvasInstance.name) > -1) {
+				canvasInstance.color = '#AFF'; // color for letters
+				canvasInstance.colorPressed = '#6CC';
+				canvasInstance.keyType = 'letter';
+			} else if(['0','1','2','3','4','5','6','7','8','9',0,1,2,3,4,5,6,7,8,9].indexOf(canvasInstance.name) > -1) {
+				canvasInstance.color = '#CFC'; // color for numbers
+				canvasInstance.colorPressed = '#9C9';
+				canvasInstance.keyType = 'number';
+			} else {
+				canvasInstance.color = '#CCC'; // color for misc
+				canvasInstance.colorPressed = '#AAA';
+				canvasInstance.keyType = 'misc';
+			}			
+			
+			drawKey(canvasInstance.ctx,canvasInstance.name,canvasInstance.algText,false,canvasInstance.staticKeySize,canvasInstance.fontSize);
+			addListenerStart(canvasInstance,keyStart);
+
+			var relKeyLeft = keyLeft - left;
+			var relKeyTop = keyTop - top;
+			
+			key1[pageIndex][keyCount] = canvasInstance;
+			key1Data[pageIndex][keyCount] = [keyLeft, keyTop, staticKeySize, staticKeySize, relKeyLeft, relKeyTop, keys2[k]];
+			key1Data[pageIndex][keyCount][100] = keyLeft;
+			key1Data[pageIndex][keyCount][101] = keyTop;
+
+			keyLeft += staticKeySize + staticKeyPadding;
+			keyCount++;			
+		}
+	}
+	
+	// create close button
+	var canvasInstance = document.createElement('canvas');
+	canvasInstance.width = 40;
+	canvasInstance.height = 40;
+	canvasInstance.setAttribute('position', 'absolute');
+	canvasInstance.setAttribute('cursor', 'auto');
+	canvasInstance.setAttribute('draggable', 'false');
+	canvasInstance.setAttribute('class', 'buttonClass');
+	canvasInstance.style.zIndex = 800000;
+	addListener(canvasInstance, hideKeyboard)
+	
+	var contextInstance = canvasInstance.getContext('2d');
+	roundedRect(contextInstance, 3, 3, 34, 34, 8, 6, '#000', '#000');
+	contextInstance.strokeStyle = '#FFF';
+	contextInstance.fillStyle = '#FFF';
+	contextInstance.lineWidth = 5;
+	contextInstance.beginPath();
+	
+	contextInstance.moveTo(10, 30);
+	contextInstance.lineTo(30, 30);
+	
+	contextInstance.closePath();
+	contextInstance.stroke();
+	key1[pageIndex][keyCount] = canvasInstance;
+	key1Data[pageIndex][keyCount] = [left + width - 40, top+1, 40, 40, width - 40, 0, 'closeKeyboard'];
+	key1Data[pageIndex][keyCount][100] = left + width - 40;
+	key1Data[pageIndex][keyCount][101] = top+1;
+	
+	// create showKeyboard button
+	var s = keyButtonSize;
+	var canvasInstance = document.createElement('canvas');
+	canvasInstance.width = s;
+	canvasInstance.height = s;
+	canvasInstance.setAttribute('position', 'absolute');
+	canvasInstance.setAttribute('cursor', 'auto');
+	canvasInstance.setAttribute('draggable', 'false');
+	canvasInstance.setAttribute('class', 'buttonClass');
+	canvasInstance.style.zIndex = 8000000000000;
+	addListener(canvasInstance, showKeyboard)
+	var contextInstance = canvasInstance.getContext('2d');
+	roundedRect(contextInstance, s*1.5/50, s*1.5/50, s*47/50, s*47/50, s*5/50, s*3/50, '#000', backColor);
+	roundedRect(contextInstance, s*9/50, s*9/50, s*8/50, s*8/50, s*3/50, s*2/50, '#000', '#AFF');
+	roundedRect(contextInstance, s*21/50, s*9/50, s*8/50, s*8/50, s*3/50, s*2/50, '#000', '#AFF');
+	roundedRect(contextInstance, s*33/50, s*9/50, s*8/50, s*8/50, s*3/50, s*2/50, '#000', '#AFF');
+	roundedRect(contextInstance, s*9/50, s*21/50, s*8/50, s*8/50, s*3/50, s*2/50, '#000', '#AFF');
+	roundedRect(contextInstance, s*21/50, s*21/50, s*8/50, s*8/50, s*3/50, s*2/50, '#000', '#AFF');
+	roundedRect(contextInstance, s*33/50, s*21/50, s*8/50, s*8/50, s*3/50, s*2/50, '#000', '#AFF');
+	roundedRect(contextInstance, s*9/50, s*33/50, s*8/50, s*8/50, s*3/50, s*2/50, '#000', '#AFF');
+	roundedRect(contextInstance, s*21/50, s*33/50, s*8/50, s*8/50, s*3/50, s*2/50, '#000', '#AFF');
+	roundedRect(contextInstance, s*33/50, s*33/50, s*8/50, s*8/50, s*3/50, s*2/50, '#000', '#AFF');
+	canvases[pageIndex].push(canvasInstance);
+	showKeys[pageIndex] = canvasInstance;
+	var dataInstance = [keyButtonLeft, keyButtonTop, s, s, true, false, true];
+	dataInstance[100] = keyButtonLeft;
+	dataInstance[101] = keyButtonTop;
+	dataInstance[102] = s;
+	dataInstance[103] = s;
+	canvasInstance.data = dataInstance;
+	canvasInstance.ctx = contextInstance;
+	
+	keyboardButton1[pageIndex] = canvasInstance;
+	
+	// create hideKeyboard button
+	var canvasInstance = document.createElement('canvas');
+	canvasInstance.width = s;
+	canvasInstance.height = s;
+	canvasInstance.setAttribute('position', 'absolute');
+	canvasInstance.setAttribute('cursor', 'auto');
+	canvasInstance.setAttribute('draggable', 'false');
+	canvasInstance.setAttribute('class', 'buttonClass');
+	canvasInstance.style.zIndex = 8000000000000;
+	addListener(canvasInstance, hideKeyboard)
+	var contextInstance = canvasInstance.getContext('2d');
+	roundedRect(contextInstance, s*1.5/50, s*1.5/50, s*47/50, s*47/50, s*5/50, s*3/50, '#000', backColor);
+	canvases[pageIndex].push(canvasInstance);
+	hideKeys[pageIndex] = canvasInstance;
+	var dataInstance = [keyButtonLeft, keyButtonTop, s, s, false, false, true];
+	dataInstance[100] = keyButtonLeft;
+	dataInstance[101] = keyButtonTop;
+	dataInstance[102] = s;
+	dataInstance[103] = s;
+	canvasInstance.data = dataInstance;
+	canvasInstance.ctx = contextInstance;
+	
+	keyboardButton2[pageIndex] = canvasInstance;
+}
+
+function keyStart(e) {
+	e.preventDefault();
+	var name = e.target.name;
+	var ctx = e.target.ctx;
+	var algText = e.target.algText;
+	var keySize = e.target.keySize;
+	var fontSize = e.target.fontSize;
+	var element = e.target.element;
+	
+	addListenerEnd(e.target,keyStop);
+	drawKey(ctx,name,algText,true,keySize,fontSize);
+	
+	if (!un(draw) && !un(draw.keyboard) && draw.keyboard.active == true) {
+		textEdit.softKeyInput(e.target.name);
+	} else {
+		if (name == 'leftArrow') {
+			mathsInputLeftArrow(e);
+		} else if (name == 'rightArrow') {
+			mathsInputRightArrow(e)
+		} else {
+			if (boolean(element,false) == true) {
+				e.target.func.apply();
+			} else {
+				softKeyMathsInput(e);
+			}
+		}
+	}
+}
+
+function keyStop(e) {
+	var name = e.target.name;
+	var ctx = e.target.ctx;
+	var algText = e.target.algText;
+	var keySize = e.target.keySize;
+	var fontSize = e.target.fontSize;
+	drawKey(ctx,name,algText,false,keySize,fontSize);
+	removeListenerEnd(e.target,keyStop);
+}
+
+var keyboardCurrFont = 'Arial';
+function updateKeyboardCurrFont() {
+	var prev = keyboardCurrFont;
+	
+	if (typeof currMathsInput == 'undefined') return;
+	if (currMathsInput.selected == true && currMathsInput.selectPos.length > 0) {
+		var cursorMapPos = currMathsInput.cursorMap[Math.max(currMathsInput.selectPos[0],currMathsInput.selectPos[1])];			
+	} else {
+		var cursorMapPos = currMathsInput.cursorMap[currMathsInput.cursorPos];
+	}	
+	
+	for (var pos = 0; pos < currMathsInput.allMap.length; pos++) {
+		if (arraysEqual(cursorMapPos,currMathsInput.allMap[pos]) == true) break;
+		var posText = currMathsInput.richText;
+		for (var pos2 = 0; pos2 < currMathsInput.allMap[pos].length - 1; pos2++) {
+			posText = posText[currMathsInput.allMap[pos][pos2]];
+		}
+		posText = posText.slice(currMathsInput.allMap[pos][currMathsInput.allMap[pos].length - 1]);
+		var tagType = 'none';
+		if (posText.indexOf('<<font:') == 0) {
+			for (var pos3 = 0; pos3 < posText.length; pos3++) {
+				if (posText.slice(pos3).indexOf('>>') == 0) {			
+					keyboardCurrFont = posText.slice(7,pos3);
+					break;
+				}
+			}
+		}
+	}
+	if (keyboardCurrFont !== prev && typeof key1 !== 'undefined' && typeof key1[pageIndex] !== 'undefined') {
+		for (var k = 0; k < key1[pageIndex].length - 1; k++) {
+			if (key1[pageIndex][k].keyType == 'letter') {
+				drawKey(key1[pageIndex][k].ctx,key1[pageIndex][k].name,key1[pageIndex][k].algText,false,key1[pageIndex][k].keySize,key1[pageIndex][k].fontSize);
+			}
+		}
+	}
+}
+
+function drawKey(ctx,name,algText,pressed,keySize,fontSize,font) {
+	var isAlgText = boolean(algText,false);
+	var isPressed = boolean(pressed,false);
+	if (!keySize) keySize = 60; 
+	if (!fontSize) fontSize = 40;
+	if (!font) {
+		font = keyboardCurrFont;
+	}
+	if (isAlgText == true) font = 'algebra';
+	fontSize = fontSize * ctx.canvas.relFontSize;
+	
+	ctx.clearRect(0,0,keySize,keySize);
+	if (isPressed == false) {
+		var color = ctx.canvas.color;
+	} else {
+		var color = ctx.canvas.colorPressed;
+	}
+	/*var color = '#AFF';
+	if (boolean(ctx.canvas.element,false) == true || ['leftArrow','rightArrow','del','delete'].indexOf(name) > -1) {
+		font = 'algebra';
+		if (isPressed == true) {
+			color = '#990';
+		} else {
+			color = '#FF0';			
+		}
+	} else {
+		if (isPressed == true) { 
+			color = '#6CC';
+		}
+	}*/
+	
+	switch (name) {
+		case 'leftArrow' :
+		case 'left' :
+			text({ctx:ctx,textArray:[],left:1.5,top:1.5,height:keySize-3,width:keySize-3,align:'center',vertAlign:'middle',box:{type:'loose',radius:6,color:color,borderWidth:3}});
+			ctx.lineWidth = 2;
+			ctx.beginPath();
+			ctx.moveTo(45*keySize/60, 30*keySize/60);
+			ctx.lineTo(15*keySize/60, 30*keySize/60);
+			ctx.lineTo(25*keySize/60, 20*keySize/60);
+			ctx.moveTo(15*keySize/60, 30*keySize/60);
+			ctx.lineTo(25*keySize/60, 40*keySize/60);
+			ctx.stroke();
+			break;
+		case 'rightArrow' :
+		case 'right' :
+			text({ctx:ctx,textArray:[],left:1.5,top:1.5,height:keySize-3,width:keySize-3,align:'center',vertAlign:'middle',box:{type:'loose',radius:6,color:color,borderWidth:3}});
+			ctx.lineWidth = 2;
+			ctx.beginPath();
+			ctx.moveTo(15*keySize/60, 30*keySize/60);
+			ctx.lineTo(45*keySize/60, 30*keySize/60);
+			ctx.lineTo(35*keySize/60, 20*keySize/60);
+			ctx.moveTo(45*keySize/60, 30*keySize/60);
+			ctx.lineTo(35*keySize/60, 40*keySize/60);
+			ctx.stroke();
+			break;
+		case 'delete' :
+		case 'del' :
+			text({ctx:ctx,textArray:[],left:1.5,top:1.5,height:keySize-3,width:keySize-3,align:'center',vertAlign:'middle',box:{type:'loose',radius:6,color:color,borderWidth:3}});
+			ctx.textAlign = "center";
+			ctx.textBaseline = "middle"; 
+			ctx.fillStyle = "#000";
+			ctx.font = (fontSize/2)+"px Arial";			
+			ctx.fillText("DEL", keySize * 0.5, keySize * 0.65);
+			break;					
+		default :
+			var txt = [];
+			if (typeof ctx.canvas.value == 'number') {
+				txt = [String(ctx.canvas.value)];
+			} else if (typeof ctx.canvas.value == 'string') {
+				txt = [ctx.canvas.value];
+			} if (typeof ctx.canvas.value == 'object') {
+				txt = ctx.canvas.value;
+			}
+			text({ctx:ctx,text:txt,font:font,fontSize:fontSize,rect:[1.5,1.5,keySize-3,keySize-3],align:[0,0],box:{type:'loose',radius:6,color:color,borderWidth:3}});
+		
+			break;
+	}
+}
+
+var keyboardHardClosed = false; // has the user clicked the minimise button?
+var keyboardHardOpen = false; // has the user clicked the minimise button?
+
+function showKeyboard(event) {
+	event.preventDefault();
+	keyboardHardClosed = false;
+	keyboardHardOpen = true;
+	showKeyboard2();
+}
+
+function showKeyboard2(lightUp) {
+	if (un(keyboard[pageIndex])) return;
+	if (boolean(lightUp,false) == true) {
+		for (var i = 0; i < key1[pageIndex].length; i++) {
+			key1[pageIndex][i].style.opacity = 1;
+			key1[pageIndex][i].style.pointerEvents = 'auto';	
+		}			
+	}
+	if (keyboardHardClosed) return;
+	if (keyboard[pageIndex].parentNode !== container) {
+		container.appendChild(keyboard[pageIndex]);
+		for (i = 0; i < key1[pageIndex].length; i++) {
+			if (boolean(key1[pageIndex][i].static,false) == false) {
+				container.appendChild(key1[pageIndex][i]);
+			}
+		}
+		if (showKeys[pageIndex].parentNode == container) {container.removeChild(showKeys[pageIndex])};
+		container.appendChild(hideKeys[pageIndex])
+		keyboardVis[pageIndex] = true;
+	}
+}
+
+
+function hideKeyboard(event) {
+	event.preventDefault();
+	keyboardHardClosed = true;
+	keyboardHardOpen = false;
+	hideKeyboard2();
+}
+
+function hideKeyboard2(lightDown) {
+	if (un(keyboard[pageIndex])) return;
+	if (boolean(lightDown,false) == true) {
+		for (var i = 0; i < key1[pageIndex].length - 1; i++) {
+			key1[pageIndex][i].style.opacity = 0.7;
+			key1[pageIndex][i].style.pointerEvents = 'none';	
+		}			
+	}		
+	if (keyboard[pageIndex].parentNode == container && keyboardHardOpen == false) {
+		container.removeChild(keyboard[pageIndex]);
+		for (var i = 0; i < key1[pageIndex].length; i++) {
+			if (boolean(key1[pageIndex][i].static,false) == false) {
+				container.removeChild(key1[pageIndex][i]);	
+			}
+		}
+		if (hideKeys[pageIndex].parentNode == container) {container.removeChild(hideKeys[pageIndex])};
+		container.appendChild(showKeys[pageIndex]);
+		keyboardVis[pageIndex] = false;
+	}
+}
+
+var drag;
+function dragKeyboardStart(e) {
+	updateMouse(e);
+	e.target.style.cursor = closedhand;
+	e.target.dragOffset = [mouse.x-e.target.data[100],mouse.y-e.target.data[101]];
+	drag = e.target;
+	addListenerMove(window, dragKeyboardMove )
+	addListenerEnd(window, dragKeyboardStop )
+}
+function dragKeyboardMove(e) {
+	e.target.style.cursor = closedhand;
+	updateMouse(e);
+	var l = mouse.x - drag.dragOffset[0];
+	l = Math.max(l,drag.dragArea[0]);
+	l = Math.min(l,mainCanvasWidth-drag.dragArea[2]-drag.data[102]);	
+	var t = mouse.y - drag.dragOffset[1];
+	t = Math.max(t,drag.dragArea[1]);
+	t = Math.min(t,mainCanvasHeight-drag.dragArea[3]-drag.data[103]);
+	drag.data[100] = l;
+	drag.data[101] = t;
+	resizeCanvas2(drag,l,t);
+
+	for (i = 0; i < key1[pageIndex].length; i++) {
+		if (boolean(key1[pageIndex][i].static,false) == false) {
+			key1Data[pageIndex][i][100] = l + key1Data[pageIndex][i][4];
+			key1Data[pageIndex][i][101] = t + key1Data[pageIndex][i][5]; 
+			resizeCanvas2(key1[pageIndex][i],key1Data[pageIndex][i][100],key1Data[pageIndex][i][101]);
+		}
+	}
+}
+function dragKeyboardStop(e) {
+	removeListenerMove(window, dragKeyboardMove)
+	removeListenerEnd(window, dragKeyboardStop)
+	e.target.style.cursor = openhand;
+	//drag.style.cursor = 'url("../images/cursors/openhand.cur"), auto';
+}
\ No newline at end of file
diff --git a/tools/i2/_mathsInput.js b/tools/i2/_mathsInput.js
new file mode 100644
index 0000000..0fa3ff2
--- /dev/null
+++ b/tools/i2/_mathsInput.js
@@ -0,0 +1,3723 @@
+/*if (typeof console == "undefined") {
+    this.console = { log: function (msg) { alert(msg); } };
+}*/
+
+/*
+text selection - double click should select word
+cursor up/down - remember horizPos of original line and find closest in other lines
+
+*/
+
+/* example of basic use:
+var j000inputs = inputs({
+	inputs:[
+		{left:900,top:300,width:100,height:50,algText:true},
+		{left:900,top:500,width:100,height:50,algText:true}	
+	],
+	leftText:[
+		['Perimeter = '],
+		['Area = ']
+	],
+	rightText:[
+		['cm'],
+		['cm',['pow',false,['2']]]	
+	],
+	checkFuncs:[
+		function(mathsInput) {
+			if (mathsInput.stringJS == 'correctAns') {
+				return true;	
+			} else {
+				return false
+			}
+		},
+		function(mathsInput) {
+			if (mathsInput.stringJS == 'correctAns') {
+				return true;	
+			} else {
+				return false
+			}
+		}
+	],
+});
+*/
+function inputs(object) {
+	var inputs = object.inputs;
+	var checkFuncs = object.checkFuncs;
+	var buttonPos = object.buttonPos || [990,620];
+	var taskComplete = boolean(object.taskCompleted,true);
+	var buttonVis = boolean(object.buttonVisible,true);
+	
+	var inputArray = [];
+	
+	for (var i = 0; i < inputs.length; i++) {
+		var zIndex = inputs[i].zIndex || 2;
+		// mathsInput
+		var input = createMathsInput2(inputs[i]);
+		var vis = boolean(inputs[i].visible,true);
+				
+		// leftText && rightText	
+		var button3 = document.createElement('canvas');
+		button3.width = 1200;
+		button3.height = 700;
+		button3.setAttribute('position', 'absolute');
+		button3.setAttribute('cursor', 'auto');
+		button3.setAttribute('draggable', 'false');
+		button3.setAttribute('class', 'buttonClass');
+		var data3 = [0,0,1200,700,vis,false,false,zIndex];
+		if (vis == true) container.appendChild(button3);
+		data3[130] = true;
+		for (var j = 0; j < 8; j++) {data3[100+j] = data3[j];}
+		button3.style.zIndex = zIndex;
+		button3.style.pointerEvents = 'none';
+		canvases[pageIndex].push(button3);
+		button3.data = data3;	
+		button3.ctx = button3.getContext('2d');
+
+		if (typeof object.leftText == 'object') {
+			if (typeof object.leftText[i] == 'object') {
+				var maxLines = inputs[i].maxLines || 1;
+				var fontSize = inputs[i].fontSize || 0.5 * (inputs[i].height / maxLines);
+				var textColor = inputs[i].textColor || '#000';
+				drawMathsText(button3.ctx,object.leftText[i],fontSize,inputs[i].left-4,inputs[i].top+0.5*inputs[i].height,false,[],'right','middle',textColor);
+				input.leftText = object.leftText[i];
+			}
+		}
+		if (typeof object.rightText == 'object') {
+			if (typeof object.rightText[i] == 'object') {
+				var maxLines = inputs[i].maxLines || 1;
+				var fontSize = inputs[i].fontSize || 0.5 * (inputs[i].height / maxLines);
+				var textColor = inputs[i].textColor || '#000';
+				drawMathsText(button3.ctx,object.rightText[i],fontSize,inputs[i].left+inputs[i].width+15,inputs[i].top+0.5*inputs[i].height,false,[],'left','middle',textColor);
+				var textMeasure = drawMathsText(button3.ctx,object.rightText[i],fontSize,inputs[i].left+inputs[i].width+15,inputs[i].top+0.5*inputs[i].height,false,[],'left','middle',textColor,'measure');
+				if (typeof inputs[i].offset === 'undefined') inputs[i].offset = [textMeasure[0]+5,0];
+				input.rightText = object.rightText[i];
+			}
+		}
+		if (typeof inputs[i].offset === 'undefined') inputs[i].offset = [0,0];		
+		
+		input.leftRightTextCanvas = button3;
+		input.canvas.leftRightTextCanvas = button3;
+		
+		// what if... maths input is entered through tab key, rather than clicking on??
+		addListener(input.canvas, function() {
+			hideObj(this.tick,this.tick.data);
+			hideObj(this.cross,this.cross.data);
+		});
+		
+		// tick canvas
+		var button = document.createElement('canvas');
+		button.width = 40;
+		button.height = 50;
+		button.setAttribute('position', 'absolute');
+		button.setAttribute('cursor', 'auto');
+		button.setAttribute('draggable', 'false');
+		button.setAttribute('class', 'buttonClass');
+		var data = [inputs[i].left+inputs[i].width+13+inputs[i].offset[0],inputs[i].top+0.5*inputs[i].height-25+inputs[i].offset[1],40,50,false,false,false,zIndex];
+		data[130] = true;
+		for (var j = 0; j < 8; j++) {data[100+j] = data[j];}
+		button.style.zIndex = zIndex;
+		button.style.pointerEvents = 'none';
+		canvases[pageIndex].push(button3);
+		button.data = data;	
+		button.ctx = button.getContext('2d');
+		drawTick(button.ctx,40,50);
+
+		// cross canvas
+		var button2 = document.createElement('canvas');
+		button2.width = 32;
+		button2.height = 40;
+		button2.setAttribute('position', 'absolute');
+		button2.setAttribute('cursor', 'auto');
+		button2.setAttribute('draggable', 'false');
+		button2.setAttribute('class', 'buttonClass');
+		var data2 = [inputs[i].left+inputs[i].width+20+inputs[i].offset[0],inputs[i].top+0.5*inputs[i].height-20+inputs[i].offset[1],32,40,false,false,false,zIndex];
+		data2[130] = true;
+		for (var j = 0; j < 8; j++) {data2[100+j] = data2[j];}
+		button2.style.zIndex = zIndex;
+		button.style.pointerEvents = 'none';
+		canvases[pageIndex].push(button3);
+		button2.data = data2;	
+		button2.ctx = button2.getContext('2d');
+		drawCross(button2.ctx,32,40);
+		
+		input.tick = button;
+		input.cross = button2;		
+		input.canvas.tick = button;
+		input.canvas.cross = button2;		
+		
+		inputArray.push(input);
+	}
+	if (boolean(object.checkAnsButton,true)) {
+		// check answer button
+		var button = document.createElement('canvas');
+		button.width = 180;
+		button.height = 50;
+		button.setAttribute('position', 'absolute');
+		button.setAttribute('cursor', 'auto');
+		button.setAttribute('draggable', 'false');
+		button.setAttribute('class', 'buttonClass');
+		var data = [buttonPos[0],buttonPos[1],180,50,buttonVis,false,true,2];
+		if (buttonVis == true) container.appendChild(button);
+		data[130] = true;
+		for (var i = 0; i < 8; i++) {data[100+i] = data[i];}
+		button.style.zIndex = 2;
+		canvases[pageIndex].push(button3);
+		button.data = data;	
+		button.ctx = button.getContext('2d');
+		if (inputs.length > 1) {
+			drawTextBox(button,button.ctx,button.data,'#6F9','#000',4,'28px Hobo','#000','center','Check Answers');
+		} else {
+			drawTextBox(button,button.ctx,button.data,'#6F9','#000',4,'28px Hobo','#000','center','Check Answer');		
+		}
+		
+		addListener(button,function() {
+			var inputs = this.inputs;
+			var checkFuncs = this.checkFuncs;
+			var complete = true;
+			for (var i = 0; i < inputs.length; i++) {
+				if (checkFuncs[i](inputs[i]) == true) {
+					hideObj(inputs[i].cross,inputs[i].cross.data);
+					showObj(inputs[i].tick,inputs[i].tick.data);
+				} else {
+					hideObj(inputs[i].tick,inputs[i].tick.data);
+					showObj(inputs[i].cross,inputs[i].cross.data,3000);
+					complete = false;
+				}
+			}
+			if (complete == true) {
+				taskCompleted();	
+			}
+		});
+	
+		button.inputs = inputArray;
+		button.checkFuncs = checkFuncs;
+		button.taskComplete = true;
+		button.textCanvas = button3;
+		return button;
+	}
+}
+
+function hideAllInputs() {
+	for (var i = 0; i < mathsInput[pageIndex].length; i++) {
+		hideMathsInput(mathsInput[pageIndex][i]);
+	}
+}
+function showAllInputs() {
+	for (var i = 0; i < mathsInput[pageIndex].length; i++) {
+		showMathsInput(mathsInput[pageIndex][i]);
+	}	
+}
+function hideMathsInput(mathsInput) {
+	hideObj(mathsInput.canvas);
+	if (typeof mathsInput.cursorCanvas !== 'undefined') {
+		hideObj(mathsInput.cursorCanvas);
+	}
+	if (typeof mathsInput.tick !== 'undefined') {
+		hideObj(mathsInput.tick);
+	}
+	if (typeof mathsInput.cross !== 'undefined') {
+		hideObj(mathsInput.cross);
+	}
+	if (typeof mathsInput.leftRightTextCanvas !== 'undefined') {
+		hideObj(mathsInput.leftRightTextCanvas);
+	}	
+}
+function showMathsInput(mathsInput) {
+	showObj(mathsInput.canvas);
+	if (typeof mathsInput.cursorCanvas !== 'undefined') {
+		showObj(mathsInput.cursorCanvas);
+	}
+	if (typeof mathsInput.leftRightTextCanvas !== 'undefined') {
+		showObj(mathsInput.leftRightTextCanvas);
+	}	
+}
+function moveMathsInput(input,left,top) {
+	if (typeof input.data == 'undefined') return;
+	var dx = left - input.data[100];
+	var dy = top - input.data[101];
+
+	input.data[100] += dx;
+	input.data[101] += dy;
+	resizeCanvas2(input.canvas,input.data[100],input.data[101]);
+	
+	if (typeof input.cross !== 'undefined') {
+		input.cross.data[100] += dx;
+		input.cross.data[101] += dy;
+		resizeCanvas2(input.cross,input.cross.data[100],input.cross.data[101]);
+	}
+
+	if (typeof input.tick !== 'undefined') {	
+		input.tick.data[100] += dx;
+		input.tick.data[101] += dy;
+		resizeCanvas2(input.tick,input.tick.data[100],input.tick.data[101]);
+	}
+		
+	input.cursorData[100] += dx;
+	input.cursorData[101] += dy;
+	resizeCanvas2(input.cursorCanvas,input.cursorData[100],input.cursorData[101]);
+
+	if (typeof input.leftRightTextCanvas !== 'undefined') {
+		input.leftRightTextCanvas.data[100] += dx;
+		input.leftRightTextCanvas.data[101] += dy;
+		resizeCanvas2(input.leftRightTextCanvas,input.leftRightTextCanvas.data[100],input.leftRightTextCanvas.data[101]);
+	}
+}
+function enlargeMathsInput(input,sf) { // be careful!
+	if (typeof sf !== 'number') return;
+	//var l = input.data[100];
+	//var t = input.data[101];
+	
+	//input.data[102] = input.data[102] * sf;
+	//input.data[103] = input.data[103] * sf;
+	
+	resizeCanvas(input.canvas,input.data[100],input.data[101],input.data[102]*sf,input.data[103]*sf);
+	
+	/*input.cursorData[100] += (l -input.cursorData[100])*sf;
+	input.cursorData[101] += (t -input.cursorData[101])*sf;
+	input.cursorData[102] = input.cursorData[102] * sf;
+	input.cursorData[103] = input.cursorData[103] * sf;
+	resizeCanvas(input.cursorCanvas,input.cursorData[100],input.cursorData[101],input.cursorData[102],input.cursorData[103]);	
+	
+	if (typeof input.cross !== 'undefined') {
+		input.cross.data[100] += (l -input.cross.data[100])*sf;
+		input.cross.data[101] += (t -input.cross.data[101])*sf;
+		input.cross.data[102] = input.cross.data[102] * sf;
+		input.cross.data[103] = input.cross.data[103] * sf;
+		resizeCanvas(input.cross,input.cross.data[100],input.cross.data[101],input.cross.data[102],input.cross.data[103]);	
+	}
+
+	if (typeof input.tick !== 'undefined') {	
+		input.tick.data[100] += (l -input.tick.data[100])*sf;
+		input.tick.data[101] += (t -input.tick.data[101])*sf;
+		input.tick.data[102] = input.tick.data[102] * sf;
+		input.tick.data[103] = input.tick.data[103] * sf;
+		resizeCanvas(input.tick,input.tick.data[100],input.tick.data[101],input.tick.data[102],input.tick.data[103]);	
+	}
+	
+	if (typeof input.leftRightTextCanvas !== 'undefined') {	
+		input.leftRightTextCanvas.data[100] += (l -input.leftRightTextCanvas.data[100])*sf;
+		input.leftRightTextCanvas.data[101] += (t -input.leftRightTextCanvas.data[101])*sf;
+		input.leftRightTextCanvas.data[102] = input.leftRightTextCanvas.data[102] * sf;
+		input.leftRightTextCanvas.data[103] = input.leftRightTextCanvas.data[103] * sf;
+		resizeCanvas(input.leftRightTextCanvas,input.leftRightTextCanvas.data[100],input.leftRightTextCanvas.data[101],input.leftRightTextCanvas.data[102],input.leftRightTextCanvas.data[103]);	
+	}*/	
+}
+function setMathsInputZIndex(input,zIndex) {
+	if (typeof input.leftRightTextCanvas == 'object') input.leftRightTextCanvas.style.zIndex = zIndex;
+	if (typeof input.tick == 'object') input.tick.style.zIndex = zIndex;
+	if (typeof input.cross == 'object') input.cross.style.zIndex = zIndex;
+	if (typeof input.canvas == 'object') input.canvas.style.zIndex = zIndex;
+	if (typeof input.cursorCanvas == 'object') input.cursorCanvas.style.zIndex = zIndex;
+}
+function setMathsInputFont(input,font) {
+	removeTagsOfType(input.richText,'font');
+	input.richText.unshift('<<font:'+font+'>>');
+	input.richText = combineSpacesTextArray(input.richText);
+	removeTagsOfType(input.startRichText,'font');
+	input.startRichText.unshift('<<font:'+font+'>>');
+	input.startRichText = combineSpacesTextArray(input.startRichText);	
+	input.startTags = removeTagsOfType(input.startTags,'font');
+	input.startTags = '<<font:'+font+'>>'+input.startTags;
+	currMathsInput = input;
+	mathsInputMapCursorPos();
+	mathsInputCursorCoords();
+	deselectMathsInput();
+}
+function setMathsInputColor(input,color) {
+	removeTagsOfType(input.richText,'color');
+	input.richText.unshift('<<color:'+color+'>>');
+	input.richText = combineSpacesTextArray(input.richText);
+	removeTagsOfType(input.startRichText,'color');
+	input.startRichText.unshift('<<color:'+color+'>>');
+	input.startRichText = combineSpacesTextArray(input.startRichText);	
+	input.startTags = removeTagsOfType(input.startTags,'color');
+	input.startTags = '<<color:'+color+'>>'+input.startTags;
+	var saveCurrMathsInput = currMathsInput;
+	currMathsInput = input;
+	drawMathsInputText(input);
+	deselectMathsInput();
+}
+function setMathsInputText(mathsInputObj, opt_newText, opt_newCursorPos) { // eg. setMathsInputText(j37mathsInput[3]);
+	var newText;
+	if (un(opt_newText)) {
+		newText = [""];
+	} else if (typeof opt_newText == 'string') {
+		newText = [opt_newText];
+	} else if (typeof opt_newText == 'number') {
+		newText = String(opt_newText);
+		newText = [newText];
+	} else {
+		newText = clone(opt_newText);
+	}
+	mathsInputObj.text = newText;
+	if (!un(mathsInputObj.startTags)) newText.unshift(mathsInputObj.startTags);
+	mathsInputObj.richText = newText;
+	currMathsInput = mathsInputObj;
+	mathsInputMapCursorPos();
+	if (typeof opt_newCursorPos !== 'undefined') {
+		mathsInputObj.cursorPos = opt_newCursorPos;
+	} else {
+		mathsInputObj.cursorPos = mathsInputObj.cursorMap.length - 1;
+	}
+	mathsInputCursorCoords();
+	deselectMathsInput();
+}
+function setMathsInputTextToInitialTags(m) {
+	var newText = "";
+	if (!un(m.richText) && typeof m.richText[0] == 'string' && m.richText[0].indexOf('<<') == 0) {
+		for (c = 2; c < m.richText[0].length; c++) {
+			if (m.richText[0].slice(c).indexOf('>>') == 0 && m.richText[0].slice(c).indexOf('>><<') !== 0) {
+				newText = m.richText[0].slice(0,c+2);
+				break;
+			}
+		}
+	}
+	setMathsInputText(m,[newText],0);
+}
+
+function drawTick(ctx,width,height,color,left,top,lineWidth) {
+	if (!left) left = 0;
+	if (!top) top = 0;
+	if (!width) width = 75;
+	if (!height) height = 75;
+	if (!color) color = '#F0F';
+	if(!lineWidth) lineWidth = 8;
+	ctx.save();
+	ctx.lineWidth = lineWidth;
+	ctx.strokeStyle = color;
+	ctx.lineJoin = 'round';
+	ctx.lineCap = 'round';
+	ctx.beginPath();
+	ctx.moveTo(left+4,top+0.5*height);
+	ctx.lineTo(left+width/3,top+height-4);
+	ctx.lineTo(left+width-4,top+4);
+	ctx.stroke();
+	ctx.restore();
+}
+function drawCross(ctx,width,height,color,left,top,lineWidth) {
+	if (!left) left = 0;
+	if (!top) top = 0;	
+	if (!width) width = 75;
+	if (!height) height = 75;
+	if (!color) color = '#F00';
+	if(!lineWidth) lineWidth = 8;	
+	ctx.save();
+	ctx.lineWidth = lineWidth;
+	ctx.strokeStyle = color;
+	ctx.lineJoin = 'round';
+	ctx.lineCap = 'round';
+	ctx.beginPath();
+	ctx.moveTo(left+4,top+4);
+	ctx.lineTo(left+width-4,top+height-4);
+	ctx.moveTo(left+width-4,top+4);
+	ctx.lineTo(left+4,top+height-4);
+	ctx.stroke();
+	ctx.restore();
+}
+
+function createMathsInput2(object) {
+	// non-optional:
+	var left = object.left;
+	var top = object.top;
+	var width = object.width;
+	var height = object.height;
+
+	// optional & defaults:
+	var varSize = object.varSize; // varSize:{minWidth:50,maxWidth:400,minHeight:50,maxHeight:300,padding:5}
+	var visible;
+	if (typeof object.visible == 'boolean') {visible = object.visible} else {visible = true};
+	var zIndex = object.zIndex || 2;
+	var algText;
+	if (typeof object.algText == 'boolean') {algText = object.algText} else {algText = false};
+	var textArray = object.textArray || [""];
+	var leftPoint = object.leftPoint || 10;
+	var textColor = object.textColor || '#000';
+	var textAlign = object.textAlign || 'center';
+	var vertAlign = object.vertAlign || 'middle';
+	var transparent;
+	if (typeof object.transparent == 'boolean') {transparent = object.transparent} else {transparent = false};
+	var maxChars = object.maxChars || 1000000000;
+	var backColor = object.backColor || '#FFF';
+	var selectColor = object.selectColor || '#FCF';
+	var border;
+	if (typeof object.border == 'boolean') {border = object.border} else {border = true};
+	var borderWidth = object.borderWidth || 3;
+	var borderDash = object.borderDash || [];
+	var borderColor = object.borderColor || '#000';	
+	var maxLines = object.maxLines || 1;
+	var fontSize = object.fontSize || 0.5 * (height/maxLines);	
+	var selectable = boolean(object.selectable,false);
+	var pointerCanvas = object.pointerCanvas || false;
+	
+	var inputObject = createMathsInput(0, left, top, width, height, visible, zIndex, algText, textArray, leftPoint, fontSize, textColor, textAlign, transparent, maxChars, backColor, selectColor, border, borderColor, maxLines, vertAlign, varSize, borderWidth, borderDash, selectable, pointerCanvas);
+	return inputObject;
+}
+
+// creates mathsInput canvas
+function createMathsInput(id, left, top, width, height, visible, zIndex, algText, textArray, leftPoint, fontSize, textColor, textAlign, transparent, maxChars, backColor, selectColor, border, borderColor, maxLines, vertAlign, varSize, borderWidth, borderDash,selectable, pointerCanvas) {
+	if (!maxLines) {maxLines = 1};
+	if (!zIndex) {zIndex = 2};
+	if (!algText) {algText = false};
+	if (!fontSize) (fontSize = (height/maxLines) * 0.75);	
+	if (!textColor) (textColor = '#000');
+	if (!textAlign) {textAlign = 'center'};
+	if (textAlign == 'center') {leftPoint = 0.5 * width};
+	if (!vertAlign) {vertAlign = 'middle'};
+	if (!textArray) {textArray = [""]};
+	var font = 'Arial';
+	if (algText == true) font = 'algebra';
+	var startText = textArray.slice(0);
+	var startTags = "<<font:"+font+">><<fontSize:"+fontSize+">><<color:"+textColor+">><<backColor:none>><<bold:false>><<italic:false>><<align:"+textAlign+">>";
+	textArray.unshift(startTags);
+	var startRichText = textArray.slice(0);
+	if (!leftPoint) {leftPoint = 10};
+	if (typeof transparent !== 'boolean') {transparent = false};
+	if (!maxChars) {maxChars = 100000000}
+	if (!backColor) backColor = "#fff";
+	var currBackColor = backColor;
+	if (!selectColor) selectColor = '#FCF';
+	if (typeof border !== 'boolean') border = true;
+	if (!borderWidth) borderWidth = 5;
+	if (!borderDash) borderDash = [];
+	if (!borderColor) borderColor = '#000';
+	if (!startText) startText = [''];
+	if (typeof selectable !== 'boolean') selectable = false;	
+	if (!pointerCanvas) pointerCanvas = false;
+	
+	function makeInputCanvas(l,t,w,h,v,d,p,z) {
+		var canvas = document.createElement('canvas');
+		canvas.setAttribute('class', 'inputClass');
+		canvas.setAttribute('width', w);
+		canvas.setAttribute('height', h);
+		canvas.setAttribute('left', l);
+		canvas.setAttribute('top', t);
+		canvas.setAttribute('position', 'absolute');
+		canvas.style.border = 'none';
+		canvas.style.zIndex = z;
+		if (p == false) {
+			canvas.style.pointerEvents = 'none';
+		} else {
+			canvas.style.pointerEvents = 'auto';
+		}
+		canvas.data = [l,t,w,h,v,d,p,z];
+		canvas.ctx = canvas.getContext('2d');
+		for (var i = 0; i < 8; i++) {canvas.data[i+100] = canvas.data[i]};
+		resizeCanvas3(canvas);
+		return canvas;
+	}
+	
+	var textCanvas = makeInputCanvas(left, top, width, height, visible, false, false, zIndex);
+	var cursorCanvas = makeInputCanvas(left, top, width, height, visible, false, true, zIndex);
+	cursorCanvas.addEventListener('mousedown', startMathsInput, false);
+	cursorCanvas.addEventListener('touchstart', startMathsInput, false);
+
+	var input = {
+		id:id,
+		canvas:textCanvas,
+		ctx:textCanvas.ctx,
+		data:textCanvas.data,
+		cursorCanvas:cursorCanvas,
+		cursorctx:cursorCanvas.ctx,		
+		cursorData:cursorCanvas.data,
+		active:true,
+		stringJS:"",
+		text:startText,
+		richText:startRichText,
+		textLoc:[],
+		cursorPos:0,
+		cursorMap:[],
+		algText:algText,
+		leftPoint:leftPoint,
+		fontSize:fontSize,
+		textColor:textColor,
+		textAlign:textAlign,
+		transparent:transparent,
+		maxChars:maxChars,
+		backColor:backColor,
+		selectColor:selectColor,
+		border:border, // boolean
+		borderWidth:borderWidth,
+		borderDash:borderDash,
+		borderColor:borderColor,
+		currBackColor:currBackColor,
+		startText:startText,
+		startRichText:startRichText,
+		startTags:startTags,
+		maxLines:maxLines,
+		preText:'',
+		postText:'',
+		vertAlign:vertAlign,
+		varSize:varSize,
+		selectable:selectable,
+		selectPos:[],
+		selected:false,
+		setBackColor:function(color) {
+			this.backColor = color;
+			drawMathsInputText(this);
+		},
+		pointerCanvas:pointerCanvas
+	};
+	//input.creationTime = (new Date()).getTime();
+	mathsInput[pageIndex].push(input);
+	currMathsInput = input;
+	drawMathsInputText(currMathsInput);
+	mathsInputMapCursorPos();
+	mathsInputCursorCoords();
+	deselectMathsInput();
+	if (isTask == false && visible == true) showMathsInput(input);
+	return input;
+}
+
+function mathsInputFrac(e) {mathsInputElement("['frac', [''], ['']]");}
+function mathsInputPow(e) {mathsInputElement("['power', false, ['']]");}
+function mathsInputSubs(e) {mathsInputElement("['subs', [''], ['']]");}
+function mathsInputRoot(e) {mathsInputElement("['root', [''], ['']]");}
+function mathsInputSqrt(e) {mathsInputElement("['sqrt', ['']]");}
+function mathsInputSin(e) {mathsInputElement("['sin', ['']]");}
+function mathsInputCos(e) {mathsInputElement("['cos', ['']]");}
+function mathsInputTan(e) {mathsInputElement("['tan', ['']]");}
+function mathsInputInvSin(e) {mathsInputElement("['sin-1', ['']]");}
+function mathsInputInvCos(e) {mathsInputElement("['cos-1', ['']]");}
+function mathsInputInvTan(e) {mathsInputElement("['tan-1', ['']]");}
+function mathsInputLn(e) {mathsInputElement("['ln', ['']]");}
+function mathsInputLog(e) {mathsInputElement("['log', ['']]");}
+function mathsInputLogBase(e) {mathsInputElement("['logBase', [''], ['']]");}
+function mathsInputAbs(e) {mathsInputElement("['abs', ['']]");}
+function mathsInputExp(e) {mathsInputElement("['exp', ['']]");}
+function mathsInputSigma1(e) {mathsInputElement("['sigma1', ['']]");}
+function mathsInputSigma2(e) {mathsInputElement("['sigma2', [''], [''], ['']]");}
+function mathsInputInt1(e) {mathsInputElement("['int1', ['']]");}
+function mathsInputInt2(e) {mathsInputElement("['int2', [''], [''], ['']]");}
+function mathsInputVectorArrow(e) {mathsInputElement("['vectorArrow', ['']]");}
+function mathsInputBar(e) {mathsInputElement("['bar', ['']]");}
+function mathsInputHat(e) {mathsInputElement("['hat', ['']]");}
+function mathsInputRecurring(e) {mathsInputElement("['recurring', ['']]");}
+function mathsInputColVector2d(e) {mathsInputElement("['colVector2d', [''], ['']]");}
+function mathsInputColVector3d(e) {mathsInputElement("['colVector3d', [''], [''], ['']]");}
+function mathsInputMixedNum(e) {mathsInputElement("['mixedNum', [''], [''], ['']]");}
+function mathsInputLim(e) {mathsInputElement("['lim', [''], ['']]");}
+
+function mathsInputCut() {
+	if (currMathsInput.selected == false) return; 
+	mathsInputCopy();
+	currMathsInput.cursorPos = Math.min(currMathsInput.selectPos[0],currMathsInput.selectPos[1]);
+	currMathsInput.selPos = [];
+	currMathsInput.selected = false;	
+	deleteSelected();
+	removeSelectTags();
+	drawMathsInputText(currMathsInput);
+	mathsInputMapCursorPos();
+	mathsInputCursorCoords();	
+}
+function mathsInputCopy() {
+	if (currMathsInput.selected == false) return; 	
+	var sel = false;
+	clipboard = arrayHandler(clone(currMathsInput.richText));	
+	
+	//console.log(clipboard);
+	
+	function arrayHandler(array) {
+		for (var l = 0; l < array.length; l++) {
+			if (typeof array[l] == 'string') {
+				if (l > 0 || array.length == 1 || ['frac','power','pow','subs','subscript','sin','cos','tan','ln','log','logBase','sin-1','cos-1','tan-1','abs','exp','root','sqrt','sigma1','sigma2','int1','int2','recurring','bar','hat','vectorArrow','colVector2d','colVector3d','mixedNum','lim'].indexOf(array[l]) == -1) {
+					array[l] = stringHandler(array[l]);
+				}
+			} else {
+				array[l] = arrayHandler(array[l]);
+				if (sel == false) {
+					array.splice(l,1);
+					l--;
+				}
+			}
+		}
+		return array;
+	}
+	function stringHandler(string) {
+		var delPos = [];
+		if (sel == true) delPos[0] = 0;
+		var savedTags = '';
+		for (var j = 0; j < string.length; j++) {
+			var slice = string.slice(j);
+			if (slice.indexOf('<<selected:true>>') == 0) {
+				delPos[0] = j+17;
+				sel = true;
+			}
+			if (slice.indexOf('<<selected:false>>') == 0) {
+				delPos[1] = j;
+				sel = false;
+ 			}
+			/*if (sel == true && (slice.indexOf('<<font') == 0 || slice.indexOf('<<bold') == 0 || slice.indexOf('<<italic') == 0 || slice.indexOf('<<color') == 0 || slice.indexOf('<<back') == 0)) {
+				savedTags += slice.slice(0,slice.indexOf('>>')+2);
+			}*/
+		}
+		if (delPos.length > 0) {
+			if (delPos.length == 1) {
+				return string.slice(delPos[0])+savedTags;
+			} else {
+				return string.slice(delPos[0],delPos[1]);
+			}
+		} else {
+			return string;
+		}
+	}	
+}
+function mathsInputPaste() {
+	if (typeof clipboard !== 'object' || clipboard == [] || arraysEqual(clipboard,[''])) return;
+	var elementString = JSON.stringify(clipboard);
+	
+	if (currMathsInput.selected == true) {
+		currMathsInput.cursorPos = Math.min(currMathsInput.selectPos[0],currMathsInput.selectPos[1]);
+		currMathsInput.selPos = [];
+		currMathsInput.selected = false;
+		deleteSelected();
+		removeSelectTags();
+		drawMathsInputText(currMathsInput);
+		mathsInputMapCursorPos();
+		mathsInputCursorCoords();
+	}	
+	
+	var cursorPos = currMathsInput.cursorMap[currMathsInput.cursorPos];
+	var parent = currMathsInput.richText;
+	for (var aa = 0; aa < cursorPos.length - 1; aa++) {parent = parent[cursorPos[aa]]};
+	var pos = cursorPos[cursorPos.length - 1];
+	pos = adjustForBreakPoints(pos);
+	var parentPos = cursorPos[cursorPos.length - 2];
+	var evalString = 'currMathsInput.richText' 
+	for (var aa = 0; aa < cursorPos.length - 2; aa++) {
+		evalString += '[' + cursorPos[aa] + ']';
+	}
+	var before = parent.slice(0,pos);
+	var after = parent.slice(pos);
+	
+	//console.log('before:',before);
+	//console.log('after:',after);
+	
+	var newParent = clone(clipboard);
+	newParent.unshift(before);
+	newParent.push(after);
+	
+	//console.log('newParent:',newParent);	
+	
+	eval(evalString+" = newParent;");
+
+	//console.log('currMathsInput.richText:',currMathsInput.richText);
+	
+	var cursorPosCount = 0;
+	arrayHandler(clipboard);
+	
+	function arrayHandler(array) {
+		for (var l = 0; l < array.length; l++) {
+			if (typeof array[l] == 'string') {
+				if (array.length == 1 || ['frac','power','pow','subs','subscript','sin','cos','tan','ln','log','logBase','sin-1','cos-1','tan-1','abs','exp','root','sqrt','sigma1','sigma2','int1','int2','recurring','bar','hat','vectorArrow','colVector2d','colVector3d','mixedNum','lim'].indexOf(array[l]) == -1) {
+					cursorPosCount += array[l].length;
+				}
+			} else {
+				arrayHandler(array[l]);
+			}
+		}
+	}
+	
+	mathsInputMapCursorPos();
+	currMathsInput.cursorPos += cursorPosCount;
+	mathsInputCursorCoords();
+	currMathsInput.preText = '';
+	currMathsInput.postText = '';		
+}
+
+function mathsInputElement(elementString) {
+	if (currMathsInput.selected == true) {
+		currMathsInput.cursorPos = Math.min(currMathsInput.selectPos[0],currMathsInput.selectPos[1]);
+		currMathsInput.selPos = [];
+		currMathsInput.selected = false;
+		deleteSelected();
+		removeSelectTags();
+		drawMathsInputText(currMathsInput);
+		mathsInputMapCursorPos();
+		mathsInputCursorCoords();
+	}	
+
+	var cursorPos = currMathsInput.cursorMap[currMathsInput.cursorPos];
+	var gparent = currMathsInput.richText;
+	for (var aa = 0; aa < cursorPos.length - 2; aa++) {
+		gparent = gparent[cursorPos[aa]]
+	};
+	var parent = gparent[cursorPos[cursorPos.length-2]];	
+	var parentPos = cursorPos[cursorPos.length-2];
+	var pos = cursorPos[cursorPos.length-1];
+	pos = adjustForBreakPoints(pos);
+	var before = parent.slice(0,pos);
+	var after = parent.slice(pos);
+	if (!un(currMathsInput.preText) && currMathsInput.preText !== null && currMathsInput.preText !== '') {
+		before += currMathsInput.preText;
+	}
+	if (!un(currMathsInput.postText) && currMathsInput.postText !== null && currMathsInput.postText !== '') {
+		after = currMathsInput.postText + after;
+	}
+	gparent.splice(parentPos,1,before,eval(elementString),after);
+	
+	mathsInputMapCursorPos();
+	currMathsInput.cursorPos++;
+	mathsInputCursorCoords();
+	currMathsInput.preText = '';
+	currMathsInput.postText = '';	
+}
+
+function mathsInputNewLine() {
+	// get cursorPos
+	var cursorPos = currMathsInput.cursorMap[currMathsInput.cursorPos];
+	
+	if (typeof currMathsInput.richText[cursorPos[0]] == 'string') {
+		var slicePos = cursorPos[1];
+		slicePos = adjustForBreakPoints(slicePos);
+		// check if there is an align tag
+		if (currMathsInput.richText[cursorPos[0]].slice(slicePos).indexOf('<<align:') == 0) {
+			slicePos += currMathsInput.richText[cursorPos[0]].slice(slicePos).indexOf('>>')+2;
+		}
+		slicePos = mathsInputAvoidTagSplit(currMathsInput.richText[cursorPos[0]],slicePos);
+		
+		currMathsInput.richText[cursorPos[0]] = currMathsInput.richText[cursorPos[0]].slice(0,slicePos) + '<<br>>' + currMathsInput.richText[cursorPos[0]].slice(slicePos);	
+		mathsInputMapCursorPos();
+		currMathsInput.cursorPos += 1;
+		mathsInputCursorCoords();
+	} else {
+		// jump forward from element to next string (if it exists) and insert <<br>>
+		var cursorPosShiftCount = 0;
+		for (var i = currMathsInput.cursorPos; i < currMathsInput.cursorMap.length; i++) {
+			cursorPosShiftCount++;
+			// if the next element has been reached
+			if (cursorPos[0] < currMathsInput.cursorMap[i][0]) {
+				if (typeof currMathsInput.richText[currMathsInput.cursorMap[i][0]] == 'string') {
+					cursorPos = currMathsInput.cursorMap[i];
+					currMathsInput.richText[currMathsInput.cursorMap[i][0]] = '<<br>>'+currMathsInput.richText[currMathsInput.cursorMap[i][0]];
+					break;
+				} else {
+					// this shouldn't happen?? All elements will be separated by a text string
+				}
+			} else if (i == currMathsInput.cursorMap.length - 1) {
+				currMathsInput.richText.push('<<br>>');
+				cursorPosShiftCount += 6;
+				
+			}
+		}
+		
+		mathsInputMapCursorPos();
+		currMathsInput.cursorPos += cursorPosShiftCount;
+		mathsInputCursorCoords();		
+	}
+}
+function mathsInputTab(howMany) {
+	if (un(howMany)) howMany = 1;
+	var ins = "";
+	for (var i = 0; i < howMany; i++) {
+		ins += String.fromCharCode(0x21F4);
+	}
+	// get cursorPos
+	var cursorPos = currMathsInput.cursorMap[currMathsInput.cursorPos];
+
+	if (typeof currMathsInput.richText[cursorPos[0]] == 'string') {
+		var slicePos = cursorPos[1];
+		slicePos = adjustForBreakPoints(slicePos);
+		// check if there is an align tag
+		if (currMathsInput.richText[cursorPos[0]].slice(slicePos).indexOf('<<align:') == 0) {
+			slicePos += currMathsInput.richText[cursorPos[0]].slice(slicePos).indexOf('>>')+2;
+		}
+		currMathsInput.richText[cursorPos[0]] = currMathsInput.richText[cursorPos[0]].slice(0,slicePos) + ins + currMathsInput.richText[cursorPos[0]].slice(slicePos);	
+		mathsInputMapCursorPos();
+		currMathsInput.cursorPos += howMany;
+		mathsInputCursorCoords();
+	} else {
+		// jump forward from element to next string (if it exists) and insert <<br>>
+		var cursorPosShiftCount = 0;
+		for (var i = currMathsInput.cursorPos; i < currMathsInput.cursorMap.length; i++) {
+			cursorPosShiftCount++;
+			// if the next element has been reached
+			if (cursorPos[0] < currMathsInput.cursorMap[i][0]) {
+				if (typeof currMathsInput.richText[currMathsInput.cursorMap[i][0]] == 'string') {
+					cursorPos = currMathsInput.cursorMap[i];
+					currMathsInput.richText[currMathsInput.cursorMap[i][0]] = ins+currMathsInput.richText[currMathsInput.cursorMap[i][0]];
+					break;
+				} else {
+					// this shouldn't happen?? All elements will be separated by a text string
+				}
+			} else if (i == currMathsInput.cursorMap.length - 1) {
+				currMathsInput.richTexts.push(String.fromCharCode(0x21F4));
+				cursorPosShiftCount += howMany;
+				
+			}
+		}
+		
+		mathsInputMapCursorPos();
+		currMathsInput.cursorPos += cursorPosShiftCount;
+		mathsInputCursorCoords();		
+	}
+}
+function mathsInputLeftArrow(e) {
+	if (currMathsInput.cursorPos > 0) {
+		currMathsInput.cursorPos--;
+		mathsInputCursorCoords();
+	} else {
+		mathsInputTabPrev();
+	}
+}
+function mathsInputRightArrow(e) {
+	if (currMathsInput.cursorPos < currMathsInput.cursorMap.length - 1) {
+		currMathsInput.cursorPos++;
+		mathsInputCursorCoords();
+	} else {
+		mathsInputTabNext();
+	}
+}
+function mathsInputTabPrev() {
+	var dx,dy,x,y,currBest1,currBest2;
+	for (var i = 0; i < mathsInput[pageIndex].length; i++) {
+		if (i == currMathsInputId || mathsInput[pageIndex][i].canvas.parentNode !== container || mathsInput[pageIndex][i].active == false) continue;
+		if (mathsInput[pageIndex][i].data[100] < mathsInput[pageIndex][currMathsInputId].data[100] && mathsInput[pageIndex][i].data[101] == mathsInput[pageIndex][currMathsInputId].data[101]) { // if directly to the left
+			if (typeof dy == 'undefined') {
+				dy = 0;
+				dx = mathsInput[pageIndex][currMathsInputId].data[100] - mathsInput[pageIndex][i].data[100];
+				currBest1 = i;
+			} else if (dy > 0 || (dy == 0 && mathsInput[pageIndex][currMathsInputId].data[100] - mathsInput[pageIndex][i].data[100] < dx)) {
+				dy = 0;
+				dx = mathsInput[pageIndex][currMathsInputId].data[100] - mathsInput[pageIndex][i].data[100];
+				currBest1 = i;
+			}
+		} else if (mathsInput[pageIndex][i].data[101] < mathsInput[pageIndex][currMathsInputId].data[101]) { // if above
+			if (typeof dy == 'undefined') {
+				dy = mathsInput[pageIndex][currMathsInputId].data[101] - mathsInput[pageIndex][i].data[101];
+				dx = mathsInput[pageIndex][currMathsInputId].data[100] - mathsInput[pageIndex][i].data[100];
+				currBest1 = i;
+			} else if (dy > mathsInput[pageIndex][currMathsInputId].data[101] - mathsInput[pageIndex][i].data[101] || (dy == mathsInput[pageIndex][currMathsInputId].data[101] - mathsInput[pageIndex][i].data[101] && mathsInput[pageIndex][currMathsInputId].data[100] - mathsInput[pageIndex][i].data[100] < dx)) {
+				dy = mathsInput[pageIndex][currMathsInputId].data[101] - mathsInput[pageIndex][i].data[101];
+				dx = mathsInput[pageIndex][currMathsInputId].data[100] - mathsInput[pageIndex][i].data[100];
+				currBest1 = i;
+			}			
+			
+		} else if ((mathsInput[pageIndex][i].data[100] > mathsInput[pageIndex][currMathsInputId].data[100] && mathsInput[pageIndex][i].data[101] == mathsInput[pageIndex][currMathsInputId].data[101]) || mathsInput[pageIndex][i].data[101] > mathsInput[pageIndex][currMathsInputId].data[101]) { // if directly to the right or below
+			if (typeof y == 'undefined') {
+				y = mathsInput[pageIndex][i].data[101];
+				x = mathsInput[pageIndex][i].data[100];
+				currBest2 = i;
+			} else if (mathsInput[pageIndex][i].data[101] > y || (mathsInput[pageIndex][i].data[101] == y && mathsInput[pageIndex][i].data[100] > x)) {
+				y = mathsInput[pageIndex][i].data[101];
+				x = mathsInput[pageIndex][i].data[100];
+				currBest2 = i;
+			}
+		}
+	}
+	if (typeof currBest1 !== 'undefined') {
+		currMathsInput.preText = '';
+		currMathsInput.postText = '';		
+		deselectMathsInput(mathsInput[pageIndex][currBest1],true);		
+		startMathsInput(mathsInput[pageIndex][currBest1]);
+		currMathsInput.cursorPos = currMathsInput.cursorMap.length - 1;
+		mathsInputCursorCoords();			
+	} else if (typeof currBest2 !== 'undefined') {
+		currMathsInput.preText = '';
+		currMathsInput.postText = '';
+		deselectMathsInput(mathsInput[pageIndex][currBest2],true);		
+		startMathsInput(mathsInput[pageIndex][currBest2]);
+		currMathsInput.cursorPos = 0;
+		mathsInputCursorCoords();			
+	}	
+}
+function mathsInputTabNext() {
+	var index = mathsInput[pageIndex].indexOf(currMathsInput);
+	if (index > -1) {
+		var newIndex = (index+1) % mathsInput[pageIndex].length;
+		currMathsInput.preText = '';
+		currMathsInput.postText = '';		
+		deselectMathsInput(mathsInput[pageIndex][newIndex],true);		
+		startMathsInput(mathsInput[pageIndex][newIndex]);
+		currMathsInput.cursorPos = currMathsInput.cursorMap.length - 1;
+		mathsInputCursorCoords();			
+	}
+	return;
+	
+	/*var dx,dy,x,y,currBest1,currBest2;
+	for (var i = 0; i < mathsInput[pageIndex].length; i++) {
+		if (i == currMathsInputId || mathsInput[pageIndex][i].canvas.parentNode !== container || mathsInput[pageIndex][i].active == false) continue;
+		if (mathsInput[pageIndex][i].data[100] > mathsInput[pageIndex][currMathsInputId].data[100] && mathsInput[pageIndex][i].data[101] == mathsInput[pageIndex][currMathsInputId].data[101]) { // if directly to the right
+			if (typeof dy == 'undefined') {
+				dy = 0;
+				dx = mathsInput[pageIndex][i].data[100] - mathsInput[pageIndex][currMathsInputId].data[100];
+				currBest1 = i;
+			} else if (dy > 0 || (dy == 0 && mathsInput[pageIndex][i].data[100] - mathsInput[pageIndex][currMathsInputId].data[100] < dx)) {
+				dy = 0;
+				dx = mathsInput[pageIndex][i].data[100] - mathsInput[pageIndex][currMathsInputId].data[100];
+				currBest1 = i;
+			}
+		} else if (mathsInput[pageIndex][i].data[101] > mathsInput[pageIndex][currMathsInputId].data[101]) { // if below
+			if (typeof dy == 'undefined') {
+				dy = mathsInput[pageIndex][i].data[101] - mathsInput[pageIndex][currMathsInputId].data[101];
+				dx = mathsInput[pageIndex][i].data[100] - mathsInput[pageIndex][currMathsInputId].data[100];
+				currBest1 = i;
+			} else if (dy > mathsInput[pageIndex][i].data[101] - mathsInput[pageIndex][currMathsInputId].data[101] || (dy == mathsInput[pageIndex][i].data[101] - mathsInput[pageIndex][currMathsInputId].data[101] && mathsInput[pageIndex][i].data[100] - mathsInput[pageIndex][currMathsInputId].data[100] < dx)) {
+				dy = mathsInput[pageIndex][i].data[101] - mathsInput[pageIndex][currMathsInputId].data[101];				
+				dx = mathsInput[pageIndex][i].data[100] - mathsInput[pageIndex][currMathsInputId].data[100];
+				currBest1 = i;
+			}			
+			
+		} else if ((mathsInput[pageIndex][i].data[100] < mathsInput[pageIndex][currMathsInputId].data[100] && mathsInput[pageIndex][i].data[101] == mathsInput[pageIndex][currMathsInputId].data[101]) || mathsInput[pageIndex][i].data[101] < mathsInput[pageIndex][currMathsInputId].data[101]) { // if directly to the left or above
+			if (typeof y == 'undefined') {
+				y = mathsInput[pageIndex][i].data[101];
+				x = mathsInput[pageIndex][i].data[100];
+				currBest2 = i;
+			} else if (mathsInput[pageIndex][i].data[101] < y || (mathsInput[pageIndex][i].data[101] == y && mathsInput[pageIndex][i].data[100] < x)) {
+				y = mathsInput[pageIndex][i].data[101];
+				x = mathsInput[pageIndex][i].data[100];
+				currBest2 = i;
+			}
+		}
+	}
+	if (typeof currBest1 !== 'undefined') {
+		currMathsInput.preText = '';
+		currMathsInput.postText = '';		
+		deselectMathsInput(mathsInput[pageIndex][currBest1],true);		
+		startMathsInput(mathsInput[pageIndex][currBest1]);
+		currMathsInput.cursorPos = currMathsInput.cursorMap.length - 1;
+		mathsInputCursorCoords();			
+	} else if (typeof currBest2 !== 'undefined') {
+		currMathsInput.preText = '';
+		currMathsInput.postText = '';
+		deselectMathsInput(mathsInput[pageIndex][currBest2],true);		
+		startMathsInput(mathsInput[pageIndex][currBest2]);
+		currMathsInput.cursorPos = 0;
+		mathsInputCursorCoords();			
+	}*/
+}
+
+function mathsInputAvoidTagSplit(txt,slicePos) {
+	// check that a tag is not being split - if so adjust slicePos
+	var leftText = txt.slice(0,slicePos);
+	var rightText = txt.slice(slicePos);
+	//console.clear();
+	//console.log(txt,slicePos);
+	//console.log(leftText);
+	//console.log(rightText);
+	var tagLeft = false;
+	var tagLeftCount = 0;
+	for (var i = 0; i < leftText.length; i++) {
+		tagLeftCount++;
+		//console.log('left '+i+':',leftText.slice(leftText.length - i)); 
+		if (leftText.slice(leftText.length - i).indexOf('>>') == 0) break;
+		if (leftText.slice(leftText.length - i).indexOf('<<') == 0) {
+			tagLeft = true;
+			break;
+		}
+	}
+	var tagRight = false;
+	var tagRightCount = 0;
+	for (var j = 0; j < rightText.length; j++) {
+		tagRightCount++;
+		//console.log('right '+j+':',rightText.slice(j));
+		if (rightText.slice(j).indexOf('<<') == 0) break;
+		if (rightText.slice(j).indexOf('>>') == 0) {
+			tagRight = true;
+			break;
+		}
+	}
+	//console.log(tagLeft,tagRight,tagLeftCount,tagRightCount);
+	if (tagLeft == true && tagRight == true) {
+		if (tagLeftCount <= tagRightCount) {
+			slicePos -= tagLeftCount;	
+		} else {
+			slicePos += tagRightCount;
+		}
+	}
+	// test if '<',slicePos,'<' or '>',slicePos,'>'
+	if (leftText.slice(-1) == '<' && rightText.slice(0,1) == '<' && rightText.slice(0,2) !== '<<') slicePos--;
+	if (leftText.slice(-1) == '>' && leftText.slice(-2) !== '>>' && rightText.slice(0,1) == '>') slicePos++;
+	
+	return slicePos;
+}
+
+function startMathsInput(e,startCursorPos) {
+	deselectMathsInput(e,true);
+	window.addEventListener('keydown', hardKeyMathsInput, false);
+	canvas.addEventListener('mousedown', endMathsInput, false); // clicking anywhere on the canvas will end the input
+	canvas.addEventListener('touchstart', endMathsInput, false); // touching anywhere on the canvas will end the input
+	/*// clicking a holder button will end the input
+	if (typeof holderButton !== 'undefined') {
+		for (i = 0; i < 3; i++) {
+			holderButton[i].addEventListener('mousedown', endMathsInput, false);
+			holderButton[i].addEventListener('touchstart', endMathsInput, false);	
+		}
+	}
+	for (i = 0; i < taskObject[pageIndex].length; i++) { // clicking any other object will also end the input
+		if (endInputExceptions.indexOf(taskObject[pageIndex][i]) == -1) {
+			taskObject[pageIndex][i].addEventListener('mousedown', endMathsInput, false);
+			taskObject[pageIndex][i].addEventListener('touchstart', endMathsInput, false);	
+		}
+	}*/
+	if (e.target) {
+		var inputCanvas = e.target;
+	} else {
+		var inputCanvas = e;
+	};
+	for (i = 0; i < mathsInput[pageIndex].length; i++) {
+		if (mathsInput[pageIndex][i].cursorCanvas == inputCanvas || mathsInput[pageIndex][i].canvas == inputCanvas || mathsInput[pageIndex][i] == inputCanvas) {
+			currMathsInput = mathsInput[pageIndex][i];
+			currMathsInputId = i;
+		}
+	}
+	if (currMathsInput.transparent == false && currMathsInput.selectColor !== 'none') {
+		currMathsInput.canvas.style.backgroundColor = "#FCF";
+	} else if (currMathsInput.transparent == false || currMathsInput.selectColor == 'none') {
+		currMathsInput.canvas.style.backgroundColor = "#transparent";
+	}
+	inputState = true; // allows the onscreen keys to function
+	var closestPos = getClosestTextPos();
+	//console.log(currMathsInput,closestPos,currMathsInput.selectable,startCursorPos);
+	if (currMathsInput.selectable == true && typeof startCursorPos == 'undefined') {
+		currMathsInput.selectPos = [closestPos,closestPos];
+		setSelectPositions();
+		drawMathsInputText(currMathsInput);
+		mathsInputMapCursorPos();
+		if (typeof currMathsInput.pointerCanvas !== 'object') {
+			addListenerMove(currMathsInput.cursorCanvas,selectTextMove);
+			addListenerEnd(currMathsInput.cursorCanvas,selectTextStop);
+		}
+	} else {
+		mathsInputMapCursorPos();
+		currMathsInput.cursorPos = startCursorPos || Number(closestPos) || 0;
+		//console.log(currMathsInput,currMathsInput.cursorPos,currMathsInput.cursorMap[currMathsInput.cursorPos],currMathsInput.textLoc);
+		mathsInputCursorCoords();
+		updateKeyboardCurrFont();
+		showKeyboard2(true);
+	}
+	if (!un(currMathsInput.markPos)) {
+		currMathsInput.markctx.clearRect(currMathsInput.markPos[0]-5,currMathsInput.markPos[1]-5,currMathsInput.markPos[2]+10,currMathsInput.markPos[3]+10);
+	}
+	//shiftOn = false;
+	//ctrlOn = false;
+	//altOn = false;
+	if (!un(window.textMenu) && typeof textMenu.show == 'function' && textMenu.showOnStartInput == true) {
+		textMenu.update();
+		textMenu.show();
+	}
+}
+function selectTextMove(e) {
+	updateMouse(e);
+	var closestPos = getClosestTextPos();
+	//console.log(closestPos);
+	if (currMathsInput.selectPos[1] !== closestPos) {
+		currMathsInput.selectPos[1] = closestPos;
+		//console.log(currMathsInput.selectPos);
+		currMathsInput.selected = true;
+		setSelectPositions();
+		drawMathsInputText(currMathsInput);
+		mathsInputMapCursorPos();		
+	}
+	console.log(currMathsInput.selectPos);
+	//console.log('selectTextMove',currMathsInput.selected);	
+}
+function selectTextStop(e) {
+	//console.log(currMathsInput.selectPos);
+	removeListenerMove(currMathsInput.cursorCanvas,selectTextMove);
+	removeListenerEnd(currMathsInput.cursorCanvas,selectTextStop);
+	if (currMathsInput.selectPos[0] == currMathsInput.selectPos[1]) {
+		currMathsInput.cursorPos = currMathsInput.selectPos[0];
+		currMathsInput.selectPos = [];
+		currMathsInput.selected = false;
+		setSelectPositions();
+		mathsInputMapCursorPos();
+		mathsInputCursorCoords();
+	}
+	updateKeyboardCurrFont();
+	showKeyboard2(true);
+}
+function getClosestTextPos(mathsInput) {
+	if (!mathsInput) mathsInput = currMathsInput;
+	// search through text character locations for a mouse hit test
+	var mousePos = [mouse.x-mathsInput.data[100],mouse.y-mathsInput.data[101]];
+	//console.log(mathsInput);
+	if (typeof mathsInput.cursorMap == 'undefined') {
+		mathsInputMapCursorPos();
+	}
+	var map = mathsInput.cursorMap;
+	var closestPos = 0;
+	var closestDist;
+	var vertDist;
+	var closestVertDist;
+	//console.log('getClosestTextPos()');
+	//console.clear();
+	for (var pos = 0; pos < map.length; pos++) {
+		var loc = mathsInput.textLoc;
+		for (var aa = 0; aa < map[pos].length; aa++) {
+			loc = loc[map[pos][aa]];
+		};
+		
+		/*	
+		var ctx = mathsInput.ctx;
+		ctx.strokeStyle = '#F0F';
+		ctx.beginPath();
+		ctx.moveTo(loc.left,loc.top);
+		ctx.lineTo(loc.left,loc.top+loc.height);
+		ctx.stroke();		
+		*/
+		
+		if (!loc) continue;
+		
+		if (pos == 0) {
+			closestDist = distancePointToLineSegment(mousePos,[loc.left,loc.top],[loc.left,loc.top+loc.height]);
+			closestPos = pos;
+			vertDist = Math.min(Math.abs(mousePos[1]-loc.top),Math.abs(mousePos[1]-(loc.top+loc.height)));
+			if (mousePos[1] >= loc.top && mousePos[1] <= loc.top + loc.height) vertDist = 0;
+			closestVertDist = vertDist;
+		} else {
+			var newDist = distancePointToLineSegment(mousePos,[loc.left,loc.top],[loc.left,loc.top+loc.height]);
+			var newVertDist = Math.min(Math.abs(mousePos[1]-loc.top),Math.abs(mousePos[1]-(loc.top+loc.height)));
+			if (mousePos[1] >= loc.top && mousePos[1] <= loc.top + loc.height) newVertDist = 0;
+			if (newVertDist < closestVertDist || (newVertDist == closestVertDist && newDist < closestDist)) {
+				closestVertDist = newVertDist;
+				closestDist = newDist;
+				closestPos = pos;
+			}
+		}
+		
+		//console.log(pos,loc.left,newDist,closestDist,closestPos)		
+	}
+	
+	/*
+	ctx.beginPath();
+	ctx.moveTo(mousePos[0]-3,mousePos[1]-3);
+	ctx.lineTo(mousePos[0]+3,mousePos[1]+3);
+	ctx.moveTo(mousePos[0]-3,mousePos[1]+3);
+	ctx.lineTo(mousePos[0]+3,mousePos[1]-3);		
+	ctx.stroke();	
+	*/
+	//console.log(closestPos);
+	if (isNaN(closestPos) || typeof closestPos == 'undefined' || closestPos == null) {
+		closestPos = 0;
+	}
+	return closestPos;
+}
+function endMathsInput(e) {
+	if (!un(e) && !un(keyboardButton1) && !un(keyboardButton1[pageIndex]) && e.target == keyboardButton1[pageIndex]) return;
+	if (!un(e) && !un(keyboardButton2) && !un(keyboardButton2[pageIndex]) && e.target == keyboardButton2[pageIndex]) return;
+	if (un(currMathsInput)) return;
+	if (currMathsInput.selected == true) {
+		removeSelectTags();
+		mathsInputMapCursorPos();
+		currMathsInput.cursorPos = Math.min(currMathsInput.selectPos[0],currMathsInput.selectPos[1]);
+		currMathsInput.selectPos = [];
+		mathsInputCursorCoords();
+		currMathsInput.selected = false;
+		removeSelectTags();		
+	}
+	deselectMathsInput(e);
+
+	if (typeof currMathsInput.onInputEnd == 'function') {
+		currMathsInput.onInputEnd(e);
+	}
+}
+function deselectMathsInput(e,diffInput) {
+	if (un(currMathsInput)) return;
+	currMathsInput.preText = '';
+	currMathsInput.postText = '';
+	if (currMathsInput.selected == true) {
+		removeSelectTags();
+		mathsInputMapCursorPos();
+		currMathsInput.cursorPos = Math.min(currMathsInput.selectPos[0],currMathsInput.selectPos[1]);
+		currMathsInput.selectPos = [];
+		mathsInputCursorCoords();
+		currMathsInput.selected = false;
+		removeSelectTags();
+	}	
+	// test if the deselection is caused by a new input
+	var diffInputTest = -1;
+	if (typeof e == 'object' && e && typeof e.target == 'object' && e.target !== currMathsInput.canvas && !un(mathsInput[pageIndex])) {
+		for (var i = 0; i < mathsInput[pageIndex].length; i++) {
+			if (mathsInput[pageIndex][i].cursorCanvas == e.target) {
+				if (currMathsInput.canvas == e.target) {
+					return; // indicates the currently active mathsInput has been reclicked - do nothing
+				} else {
+					diffInputTest = i;
+				}
+				break;
+			}
+		}
+	}
+	
+	if ((typeof diffInput !== 'undefined' && diffInput == true) || diffInputTest > -1) {
+	
+	} else {
+		hideKeyboard2(true);
+		inputState = false;
+		// remove event listeners for mathsInput 
+		window.removeEventListener('keydown', hardKeyMathsInput, false);
+		canvas.removeEventListener('mousedown', endMathsInput, false);
+		canvas.removeEventListener('touchstart', endMathsInput, false);		
+	}
+		
+	//currMathsInput.currBackColor = currMathsInput.backColor;
+	/*
+	currMathsInput.ctx.clearRect(0, 0, currMathsInput.data[2], currMathsInput.data[3]);
+	if (currMathsInput.transparent == false && currMathsInput.backColor !== 'none') {
+		currMathsInput.ctx.fillStyle = currMathsInput.backColor || '#FFF';
+	}
+	*/
+	
+	currMathsInput.canvas.style.backgroundColor = currMathsInput.backColor || 'transparent';
+	if (currMathsInput.backColor == 'none') {
+		currMathsInput.canvas.style.backgroundColor = 'transparent'
+	}
+	
+	clearCorrectingInterval(mathsInputCursorBlinkInterval);
+	inputCursorState = false
+	blinking = false;
+	
+	currMathsInput.cursorctx.clearRect(0,0,1200,700);
+	
+	if ((typeof diffInput !== 'undefined' && diffInput == true) || diffInputTest > -1) {
+		if (typeof currMathsInput.onInputEnd == 'function') {
+			currMathsInput.onInputEnd();
+		}
+	}	 else {
+		if (!un(window.textMenu)) {
+			if (typeof textMenu.show == 'function' && textMenu.showOnStartInput == true) {
+				textMenu.hide();
+			}
+		}
+	}	
+	if (typeof holderButton !== 'undefined') {
+		for (var i = 0; i < 3; i++) {
+			holderButton[i].removeEventListener('mousedown', endMathsInput, false);
+			holderButton[i].removeEventListener('mousedown', endMathsInput, false);	
+		}
+	}
+	/*var startAt = 0;
+	if (taskKey[pageIndex]) {startAt = taskKey[pageIndex].length}
+	function listenerForI(i) {
+		taskObject[pageIndex][i].removeEventListener('mousedown', endMathsInput, false);
+		taskObject[pageIndex][i].removeEventListener('touchstart', endMathsInput, false);		
+	}	
+	if (taskObject[pageIndex]) {
+		for (var i = startAt; i < taskObject[pageIndex].length; i++) { // clicking any other object will also end the input
+			listenerForI(i); //'scopes' the variable i
+		}
+	}*/
+	
+}
+
+function setSelectPositions() {
+	// check for a need to adjust each selectPos
+	
+	var selPos1 = clone(currMathsInput.cursorMap[currMathsInput.selectPos[0]]);
+	if (typeof selPos1 !== 'undefined') {
+		var txt = clone(currMathsInput.richText);
+		for (var i = 0; i < selPos1.length - 1; i++) {txt = txt[selPos1[i]]};
+		var txtSlice = txt.slice(0,selPos1[selPos1.length-1]);
+		if (txtSlice.indexOf('<<selected:true>>') > -1) {
+			selPos1[selPos1.length-1] -= 17;
+		}
+		if (txtSlice.indexOf('<<selected:false>>') > -1) {
+			selPos1[selPos1.length-1] -= 18;
+		}
+	}
+	
+	var selPos2 = clone(currMathsInput.cursorMap[currMathsInput.selectPos[1]]); 
+	if (typeof selPos2 !== 'undefined') {
+		var txt = clone(currMathsInput.richText);
+		for (var i = 0; i < selPos2.length - 1; i++) {txt = txt[selPos2[i]]};
+		var txtSlice = txt.slice(0,selPos2[selPos2.length-1]);
+		if (txtSlice.indexOf('<<selected:true>>') > -1) {
+			selPos2[selPos2.length-1] -= 17;
+		}
+		if (txtSlice.indexOf('<<selected:false>>') > -1) {
+			selPos2[selPos2.length-1] -= 18;
+		}
+	}
+	
+	removeSelectTags();
+	
+	if (arraysEqual(currMathsInput.selectPos,[]) == false) {
+		if (currMathsInput.selectPos[0] == currMathsInput.selectPos[1]) {
+			insertTag('<<selected:true>><<selected:false>>',selPos1);
+		} else if (currMathsInput.selectPos[0] > currMathsInput.selectPos[1]) {
+			insertTag('<<selected:false>>',selPos1);
+			insertTag('<<selected:true>>',selPos2);	
+		} else if (currMathsInput.selectPos[0] < currMathsInput.selectPos[1]) {
+			insertTag('<<selected:false>>',selPos2);
+			insertTag('<<selected:true>>',selPos1);
+		}
+	}
+		
+	function insertTag(insertion,cursorPos) {
+		// get the relevant string from currMathsInput.richText
+		var text = currMathsInput.richText;
+		for (var aa = 0; aa < cursorPos.length - 1; aa++) {
+			text = text[cursorPos[aa]];
+		}
+		// pos is position of cursor
+		var pos = cursorPos[cursorPos.length - 1];
+				
+		// adjust pos to account for breakPoints
+		if (typeof currMathsInput.breakPoints == 'object') {
+			for (var k = 0; k < currMathsInput.breakPoints.length - 1; k++) {
+				var breakPoint = currMathsInput.allMap[currMathsInput.breakPoints[k]];
+				if (breakPoint[0] == cursorPos[0] && breakPoint[1] < cursorPos[1]) {
+					pos--;
+				}
+			}
+		}
+		// check that a tag is not being split - if so adjust pos
+		var leftText = text.slice(0,pos);
+		var rightText = text.slice(pos);
+		var tagLeft = false;
+		var tagLeftCount = 0;
+		for (var i = 0; i < leftText.length; i++) {
+			tagLeftCount++;
+			if (leftText.slice(leftText.length - i).indexOf('>>') == 0) break;
+			if (leftText.slice(leftText.length - i).indexOf('<<') == 0) {
+				tagLeft = true;
+				break;
+			}
+		}
+		var tagRight = false;
+		var tagRightCount = 0;
+		for (var j = 0; j < rightText.length; j++) {
+			tagRightCount++;
+			if (rightText.slice(j).indexOf('<<') == 0) break;
+			if (rightText.slice(j).indexOf('>>') == 0) {
+				tagRight = true;
+				break;
+			}
+		}
+		if (tagLeft == true && tagRight == true) {
+			if (tagLeftCount <= tagRightCount) {
+				pos -= tagLeftCount;	
+			} else {
+				pos += tagRightCount;
+			}
+		}
+		var leftText = text.slice(0,pos);
+		var rightText = text.slice(pos);
+		if (leftText.slice(-1) == '<' && rightText.slice(0,1) == '<' && rightText.slice(0,2) !== '<<') pos--;
+		if (leftText.slice(-1) == '>' && leftText.slice(-2) !== '>>' && rightText.slice(0,1) == '>') pos++;	
+		var textBefore = text.slice(0,pos);
+		var textAfter = text.slice(pos);
+				
+		text = textBefore + insertion + textAfter;
+		// replace the string
+		var evalString = 'currMathsInput.richText' 
+		for (aa = 0; aa < cursorPos.length - 1; aa++) {
+			evalString += '[' + cursorPos[aa] + ']';
+		}
+		eval(evalString + ' = text;');
+	}
+}
+function removeSelectTags() {
+	var map1;
+	var map2;
+	var pos = [];
+	function arrayHandler(array) {
+		pos.push(0);
+		for (var l = array.length - 1; l >= 0; l--) {
+			pos[pos.length-1] = l;
+			if (typeof array[l] == 'string') {
+				array[l] = stringHandler(array[l]);
+			} else {	
+				array[l] = arrayHandler(array[l]);
+			}
+		}
+		pos.pop();
+		return array;
+	}
+	function stringHandler(string) {
+		//console.log(string,JSON.stringify(pos));
+		for (var j = string.length - 1; j >= 0; j--) {
+			var slice = string.slice(j);
+			if (slice.indexOf('<<selected:false>>') == 0) {
+				string = string.slice(0,j)+string.slice(j+slice.indexOf('>>')+2);
+				if (typeof map1 !== 'undefined' && arraysEqual(pos,map1) == true && map2 > j) {
+					map2 = Math.max(0,map2-18);
+				}
+			}
+			if (slice.indexOf('<<selected:true>>') == 0) {
+				string = string.slice(0,j)+string.slice(j+slice.indexOf('>>')+2);
+				if (typeof map1 !== 'undefined' && arraysEqual(pos,map1) == true && map2 > j) {
+					map2 = Math.max(0,map2-17);
+				}
+			}
+		}
+		return string;
+	}	
+
+	//console.log(JSON.stringify(currMathsInput.cursorMap[currMathsInput.cursorPos]));
+	if (typeof currMathsInput.cursorPos == 'number') {
+		map1 = currMathsInput.cursorMap[currMathsInput.cursorPos];
+		if (typeof map1 !== 'undefined') {
+			map2 = map1[map1.length-1];
+			map1 = map1.slice(0,-1);
+			//console.log(JSON.stringify(map1),map2);
+		}
+	}
+	
+	currMathsInput.richText = arrayHandler(currMathsInput.richText);
+
+	//console.log('---',map2);
+	if (typeof map2 !== 'undefined') {
+		currMathsInput.cursorMap[currMathsInput.cursorPos][currMathsInput.cursorMap[currMathsInput.cursorPos].length-1] = map2;
+	}
+	// adjust cursorPos if necessary
+
+}
+function removeSelectTagsFromArray(textArray) {
+	var map1;
+	var map2;
+	var pos = [];
+	function arrayHandler(array) {
+		pos.push(0);
+		for (var l = array.length - 1; l >= 0; l--) {
+			pos[pos.length-1] = l;
+			if (typeof array[l] == 'string') {
+				array[l] = stringHandler(array[l]);
+			} else {	
+				array[l] = arrayHandler(array[l]);
+			}
+		}
+		pos.pop();
+		return array;
+	}
+	function stringHandler(string) {
+		//console.log(string,JSON.stringify(pos));
+		for (var j = string.length - 1; j >= 0; j--) {
+			var slice = string.slice(j);
+			if (slice.indexOf('<<selected:false>>') == 0) {
+				string = string.slice(0,j)+string.slice(j+slice.indexOf('>>')+2);
+				if (typeof map1 !== 'undefined' && arraysEqual(pos,map1) == true && map2 > j) {
+					map2 = Math.max(0,map2-18);
+				}
+			}
+			if (slice.indexOf('<<selected:true>>') == 0) {
+				string = string.slice(0,j)+string.slice(j+slice.indexOf('>>')+2);
+				if (typeof map1 !== 'undefined' && arraysEqual(pos,map1) == true && map2 > j) {
+					map2 = Math.max(0,map2-17);
+				}
+			}
+		}
+		return string;
+	}	
+	
+	return arrayHandler(textArray);
+}
+function deleteSelected() {
+	var sel = false;
+	currMathsInput.richText = arrayHandler(currMathsInput.richText);	
+	
+	function arrayHandler(array) {
+		for (var l = 0; l < array.length; l++) {
+			if (typeof array[l] == 'string') {
+				if (l > 0 || array.length == 1 || ['frac','power','pow','subs','subscript','sin','cos','tan','ln','log','logBase','sin-1','cos-1','tan-1','abs','exp','root','sqrt','sigma1','sigma2','int1','int2','recurring','bar','hat','vectorArrow','colVector2d','colVector3d','mixedNum','lim'].indexOf(array[l]) == -1) {
+					array[l] = stringHandler(array[l]);
+				}
+			} else {
+				var preSel = false;
+				if (sel == true) {preSel = true};
+				array[l] = arrayHandler(array[l]);
+				if (sel == true && preSel == true) {
+					array.splice(l,1);
+					l--;
+				}
+			}
+		}
+		return array;
+	}
+	function stringHandler(string) {
+		var delPos = [];
+		if (sel == true) delPos[0] = 0;
+		var savedTags = '';
+		for (var j = 0; j < string.length; j++) {
+			var slice = string.slice(j);
+			if (slice.indexOf('<<selected:true>>') == 0) {
+				delPos[0] = j;
+				sel = true;
+			}
+			if (slice.indexOf('<<selected:false>>') == 0) {
+				delPos[1] = j + 18;
+				sel = false;
+ 			}
+			if (sel == true && (slice.indexOf('<<font') == 0 || slice.indexOf('<<bold') == 0 || slice.indexOf('<<italic') == 0 || slice.indexOf('<<color') == 0 || slice.indexOf('<<back') == 0)) {
+				savedTags += slice.slice(0,slice.indexOf('>>')+2);
+			}
+		}
+		if (delPos.length > 0) {
+			if (delPos.length == 1) {
+				return string.slice(0,delPos[0])+savedTags;
+			} else {
+				return string.slice(0,delPos[0])+savedTags+string.slice(delPos[1]);
+			}
+		} else {
+			return string;
+		}
+	}
+}
+
+function mathsInputMapCursorPos() { // (re-)builds cursor map
+	currMathsInput.richText = reduceTags(currMathsInput.richText);
+	currMathsInput.richText = combineSpacesCursor(currMathsInput.richText);
+		
+	// create new cursor map
+	currMathsInput.textLoc = [];
+	drawMathsInputText(currMathsInput);
+	currMathsInput.cursorMap = mapArray(currMathsInput.textLoc,false);
+	
+	// create new allMap - this includes all markup tag characters
+	currMathsInput.allMap = mapArray(currMathsInput.textLoc,true); 
+	
+	// move cursor positions in cursorMap from end to beginning of markup tags (except for beginning)
+	var cursorMap = currMathsInput.cursorMap;
+	
+	//console.log(currMathsInput.cursorPos,JSON.stringify(cursorMap));
+	
+	for (var i = 1; i < cursorMap.length; i++) {
+		
+		// get text element
+		var richText = currMathsInput.richText;
+		for (var j = 0; j < cursorMap[i].length - 1; j++) richText = richText[cursorMap[i][j]];
+	
+		// char is position of cursor
+		var char = cursorMap[i][cursorMap[i].length-1];
+
+		// adjust char to account for breakPoints
+		if (typeof currMathsInput.breakPoints == 'object') {
+			for (var k = 0; k < currMathsInput.breakPoints.length - 1; k++) {
+				var breakPoint = currMathsInput.allMap[currMathsInput.breakPoints[k]];
+				if (breakPoint[0] == cursorMap[i][0] && breakPoint[1] < cursorMap[i][1]) {
+					char--;
+				}
+			}
+		}
+	
+		// if proceeded by a tag
+		if (richText.slice(char-2).indexOf('>>') == 0 && richText.slice(char-6).indexOf('<<br>>') !== 0) {
+			
+			// get text to the left of char
+			var leftText = richText.slice(0,char);
+		
+			// get tagCharCount to the left of char
+			var tagCharCount = 0;
+			for (var j = 0; j < leftText.length; j++) {
+				if (richText.slice(char-j,char).indexOf('<<') == 0 && (leftText.slice(char-j-2,char).indexOf('>>') !== 0 || leftText.slice(char-j-6,char).indexOf('<<br>>') == 0)) {
+					tagCharCount = j;
+					break;
+				}
+			}
+			
+			// check that it's not the very beginning
+			if (cursorMap[i][0] == 0 && cursorMap[i][1] == tagCharCount) continue;
+			
+			// alter the cursorMap by tagCharCount
+			currMathsInput.cursorMap[i][currMathsInput.cursorMap[i].length-1] -= tagCharCount;
+		}
+		
+		
+	}
+	
+	// update currMathsInput.text to be the same as currMathsInput.richText without any markuptags
+	currMathsInput.text = clone(currMathsInput.richText);
+	for (var p = 0; p < currMathsInput.text.length; p++) {
+		currMathsInput.text[p] = removeTags(currMathsInput.text[p]);
+	}
+}
+function combineSpacesCursor(array) {
+	//console.log(array.length);
+	if (array.length > 1) {
+		for (var gg = array.length - 1; gg >= 0; gg--) {
+			//console.log(gg, array[gg], typeof array[gg]);
+			if (typeof array[gg] == 'object') {
+				arrayString += '[' + gg + ']';
+				combineSpacesCursor(array[gg]);
+			} else {
+				if (gg < array.length - 1 && typeof array[gg] == 'string' && typeof array[gg+1] == 'string') {
+					eval('currMathsInput.richText' + arrayString + '[' + gg + '] += currMathsInput.richText' + arrayString + '[' + (gg+1) + ']');
+					eval('currMathsInput.richText' + arrayString + '.splice(gg+1, 1);');
+				}
+			}
+		}
+	}
+	arrayString = arrayString.slice(0, arrayString.lastIndexOf('[') - arrayString.length);
+	return array;
+}
+function combineSpacesTextArray(array) {
+	if (array.length > 1) {
+		for (var i = array.length - 1; i >= 0; i--) {
+			if (typeof array[i] == 'object') {
+				if (i < array.length - 1 && typeof array[i] == 'string' && typeof array[i+1] == 'string') {
+					array[i] = array[i] + array[i+1];
+					array.splice(i+1,1);
+				}				
+			} else {
+				combineSpacesTextArray(array[i]);
+			}
+		}
+	}
+	return array;
+}
+
+function mathsInputCursorCoords() { // updates cursor coordinates
+	drawMathsInputText(currMathsInput);
+	var char;
+	var cursorPos = currMathsInput.cursorMap[currMathsInput.cursorPos];
+	
+	if (typeof cursorPos == 'undefined') return;
+	
+	char = currMathsInput.textLoc;	
+	for (var aa = 0 ; aa < cursorPos.length; aa++) {
+		char = char[cursorPos[aa]];
+	}
+
+	mathsInputCursor.x = char.left;
+	mathsInputCursor.top = char.top;
+	mathsInputCursor.bottom = char.top + char.height;
+	
+	//logText(true);
+	
+	//console.log('mathsInputCursor:',mathsInputCursor);
+	
+	inputCursorState = false;
+	clearCorrectingInterval(mathsInputCursorBlinkInterval);
+	drawMathsInputText(currMathsInput);
+	mathsInputCursorBlink();
+	mathsInputCursorBlinkInterval = setCorrectingInterval(function(){mathsInputCursorBlink()}, 600);
+	blinking = true;
+	currMathsInput.stringJS = createJsString();
+	if (typeof textMenu !== 'undefined' && typeof textMenu !== 'undefined' && typeof textMenu.update == 'function') textMenu.update();
+}
+var showCursorPos = false;
+function adjustForBreakPointsAllMap(pos) {
+	//console.log('pos:',pos);
+	if (typeof currMathsInput.breakPoints == 'object') {
+		//console.log('pos:',pos);						
+		var map = currMathsInput.allMap[pos];						
+		for (var i = 0; i < currMathsInput.breakPoints.length - 1; i++) {
+			var iBreak = currMathsInput.allMap[currMathsInput.breakPoints[i]];
+			if (iBreak[0] == map[0] && iBreak[1] < map[1]) {
+				pos--;
+			}
+		}
+		//console.log('pos:',pos);
+	}
+	return pos;
+}
+function adjustForBreakPoints(pos,map,breakPoints) {
+	if (typeof pos == 'undefined') pos = currMathsInput.cursorPos;
+	if (typeof map == 'undefined') map = currMathsInput.cursorMap[currMathsInput.cursorPos];
+	if (typeof breakPoints == 'undefined') breakPoints = currMathsInput.breakPoints; 
+	
+	if (typeof breakPoints == 'object') {						
+		for (var i = 0; i < breakPoints.length - 1; i++) {
+			var iBreak = currMathsInput.allMap[breakPoints[i]];
+			//if (i > 0 && iBreak[1] - currMathsInput.allMap[breakPoints[i-1]][1] <= 7) continue;
+			//console.log(iBreak,iBreak[0] == map[0] && iBreak[1] < map[1]);
+			if (iBreak[0] == map[0] && iBreak[1] < map[1]) {
+				pos--;
+			}
+		}
+	}
+	
+	return pos;
+}
+function mathsInputCursorBlink() {
+	if (inputCursorState == true) {inputCursorState = false} else {inputCursorState = true};
+
+	currMathsInput.cursorctx.clearRect(0,0,1200,700);
+	currMathsInput.cursorCanvas.style.zIndex = currMathsInput.canvas.style.zIndex + 1;
+	
+	if (showCursorPos == true) {
+		for (var i = 0; i < currMathsInput.cursorMap.length; i++) {
+			var cPos = currMathsInput.textLoc;
+			
+			for (var j = 0; j < currMathsInput.cursorMap[i].length; j++) {
+				cPos = cPos[currMathsInput.cursorMap[i][j]];	
+			}
+						
+			// adjust cPos to account for difference between canvas and cursor canvas positions
+			cPos.left += (currMathsInput.data[100] - currMathsInput.cursorData[100]);
+			cPos.top += (currMathsInput.data[101] - currMathsInput.cursorData[101]);
+			
+			//console.log(cPos);
+			
+			currMathsInput.cursorctx.save();
+			currMathsInput.cursorctx.strokeStyle = '#F00';
+			currMathsInput.cursorctx.lineWidth = 2;
+			currMathsInput.cursorctx.beginPath();
+			currMathsInput.cursorctx.moveTo(cPos.left, cPos.top);
+			currMathsInput.cursorctx.lineTo(cPos.left, cPos.top + cPos.height);
+			currMathsInput.cursorctx.closePath();
+			currMathsInput.cursorctx.stroke();
+			currMathsInput.cursorctx.restore();
+		}
+	} else if (inputCursorState == true && currMathsInput.selected == false) {
+		var hAdjust = currMathsInput.data[100] - currMathsInput.cursorData[100];
+		var vAdjust = currMathsInput.data[101] - currMathsInput.cursorData[101];
+		//console.log('blink',inputCursorState,currMathsInput.selected,mathsInputCursor,currMathsInput.cursorPos,hAdjust,vAdjust);
+		currMathsInput.cursorctx.save();
+		currMathsInput.cursorctx.strokeStyle = currMathsInput.textColor;
+		currMathsInput.cursorctx.lineWidth = 2;
+		currMathsInput.cursorctx.beginPath();
+		currMathsInput.cursorctx.moveTo(hAdjust + mathsInputCursor.x, vAdjust + mathsInputCursor.top);
+		currMathsInput.cursorctx.lineTo(hAdjust + mathsInputCursor.x, vAdjust + mathsInputCursor.bottom);
+		currMathsInput.cursorctx.closePath();
+		currMathsInput.cursorctx.stroke();
+		currMathsInput.cursorctx.restore();
+	} else {
+		//console.log('blink',inputCursorState,currMathsInput.selected,mathsInputCursor,currMathsInput.cursorPos);
+	}
+}
+
+//var shiftOn = false;
+//window.addEventListener('keyup', shiftKeyUp, false);	
+/*function shiftKeyUp(e) {
+	e.preventDefault();
+	if (e.keyCode == 16) {
+		shiftOn = false;
+	}
+}*/
+function hardKeyMathsInput(e) { // if a key is pressed via the hardware keyboard
+	e.preventDefault();
+	if (inputState == true) {
+		var charCode = e.keyCode; // determine which key has been pressed
+		var keysToIgnore = [16,17,18,27,33,34,35,36,46,112,113,114,115,116,117,118,119,120,121,122,123,144,223];
+		if (e.getModifierState('Control')) {
+			if (charCode == 88) { //CTRL-x
+				mathsInputCut();
+			} else if (charCode == 67) { //CTRL-c
+				mathsInputCopy();
+			} else if (charCode == 86) { //CTRL-v
+				mathsInputPaste();
+			}
+			return;
+		}
+		if (e.getModifierState('Alt')) return;		
+		switch (charCode) {
+			case 37 : // left arrow
+				currMathsInput.preText = '';
+				currMathsInput.postText = '';
+				if (e.getModifierState('Shift') == true && currMathsInput.cursorPos > 0) {
+					if (currMathsInput.selected == true) {
+						currMathsInput.selectPos[1] = [currMathsInput.cursorPos-1];
+						setSelectPositions();
+						drawMathsInputText(currMathsInput);
+						mathsInputMapCursorPos();
+						currMathsInput.cursorPos--;
+					} else {
+						currMathsInput.selected = true;
+						currMathsInput.selectPos = [currMathsInput.cursorPos,currMathsInput.cursorPos-1];
+						setSelectPositions();
+						drawMathsInputText(currMathsInput);
+						mathsInputMapCursorPos();
+						currMathsInput.cursorPos--;
+					}
+				} else if (currMathsInput.selected == true) {
+					removeSelectTags();
+					mathsInputMapCursorPos();
+					currMathsInput.cursorPos = Math.min(currMathsInput.selectPos[0],currMathsInput.selectPos[1]);
+					currMathsInput.selectPos = [];
+					mathsInputCursorCoords();
+					currMathsInput.selected = false;
+					removeSelectTags();
+				} else if (currMathsInput.cursorPos > 0) {
+					currMathsInput.cursorPos--;
+					mathsInputCursorCoords();
+				} else {
+					mathsInputTabPrev();
+				}
+				break;
+			case 38 : // up arrow
+				currMathsInput.preText = '';
+				currMathsInput.postText = '';
+				if (e.getModifierState('Shift') == true) {
+					if (currMathsInput.selected == false) {
+						currMathsInput.selectPos[0] = currMathsInput.cursorPos;
+					}
+				} else if (currMathsInput.selected == true) {
+					removeSelectTags();
+					mathsInputMapCursorPos();
+					currMathsInput.cursorPos = Math.min(currMathsInput.selectPos[0],currMathsInput.selectPos[1]);
+					currMathsInput.selectPos = [];
+					mathsInputCursorCoords();
+					currMathsInput.selected = false;
+					removeSelectTags();	
+				}
+				var cursorPos = currMathsInput.cursorMap[currMathsInput.cursorPos];
+				// get the parent of the current string
+				var parent = currMathsInput.richText;
+				for (var i = 0; i < cursorPos.length - 3; i++) {parent = parent[cursorPos[i]]};
+				if (parent[0] == 'frac' && cursorPos[cursorPos.length - 3] == 2) {
+					currMathsInput.cursorPos -= cursorPos[cursorPos.length - 1];
+					currMathsInput.cursorPos--;
+					mathsInputCursorCoords();
+				} else {
+					// check if there is a row above
+					var lowerBreakPoints = [];
+					for (var i = 0; i < currMathsInput.breakPoints.length - 1; i++) {
+						if (currMathsInput.allMap[currMathsInput.breakPoints[i]][0] < currMathsInput.cursorMap[currMathsInput.cursorPos][0] || (currMathsInput.allMap[currMathsInput.breakPoints[i]][0] == currMathsInput.cursorMap[currMathsInput.cursorPos][0] && currMathsInput.allMap[currMathsInput.breakPoints[i]][1] < currMathsInput.cursorMap[currMathsInput.cursorPos][1])) {
+							lowerBreakPoints.unshift(currMathsInput.allMap[currMathsInput.breakPoints[i]]);
+						}
+					}
+					if (lowerBreakPoints.length == 0) {
+						// cursor is on top line
+						if (shiftOn == true) {
+							if (currMathsInput.selected == true) {
+								currMathsInput.selectPos[1] = 0;
+							} else {
+								currMathsInput.selectPos = [currMathsInput.cursorPos,0];
+								currMathsInput.selected = true;
+							}
+							setSelectPositions();
+							drawMathsInputText(currMathsInput);
+							mathsInputMapCursorPos();
+							currMathsInput.cursorPos = 0;					
+						}
+					} else {
+						// get top point of current cursor position
+						var textLoc = currMathsInput.textLoc;
+						for (var i = 0; i < currMathsInput.cursorMap[currMathsInput.cursorPos].length; i++) {
+							textLoc = textLoc[currMathsInput.cursorMap[currMathsInput.cursorPos][i]];	
+						}
+						var pos = [textLoc.left,textLoc.top];
+						// search through textLocs
+						var closestPos;
+						var closestDist; 
+						for (var i = 0; i < currMathsInput.cursorMap.length; i++) {
+							// position must be less than lowerBreakPoints[0]
+							if (currMathsInput.cursorMap[i][0] < lowerBreakPoints[0][0] || (currMathsInput.cursorMap[i][0] == lowerBreakPoints[0][0] && currMathsInput.cursorMap[i][1] < lowerBreakPoints[0][1])) {						
+								// if it is above the current line
+								
+								// position must not be less than lowerBreakPoints[1]
+								if (lowerBreakPoints.length > 1) {
+									if (currMathsInput.cursorMap[i][0] < lowerBreakPoints[1][0] || (currMathsInput.cursorMap[i][0] == lowerBreakPoints[1][0] && currMathsInput.cursorMap[i][1] < lowerBreakPoints[1][1])) continue;
+								}
+
+								var loc = currMathsInput.textLoc;
+								for (var j = 0; j < currMathsInput.cursorMap[i].length; j++) {
+									loc = loc[currMathsInput.cursorMap[i][j]];	
+								}
+								if (typeof closestPos == 'undefined') {
+									closestPos = i;
+									closestDist = distancePointToLineSegment(pos,[loc.left,loc.top],[loc.left,loc.top+loc.height]);
+								} else {
+									var newDist = distancePointToLineSegment(pos,[loc.left,loc.top],[loc.left,loc.top+loc.height]);
+									if (newDist < closestDist) {
+										closestPos = i;
+										closestDist = newDist;	
+									}
+								}
+							}
+						}
+						if (shiftOn == true) {
+							if (currMathsInput.selected == true) {
+								currMathsInput.selectPos[1] = closestPos;
+							} else {
+								currMathsInput.selectPos = [currMathsInput.cursorPos,closestPos];
+								currMathsInput.selected = true;
+							}
+							setSelectPositions();
+							drawMathsInputText(currMathsInput);
+							mathsInputMapCursorPos();
+							currMathsInput.cursorPos = closestPos;
+						} else {
+							currMathsInput.cursorPos = closestPos;
+							mathsInputCursorCoords();
+						}
+					}
+				}
+				break;
+			case 39 : // right arrow
+				currMathsInput.preText = '';
+				currMathsInput.postText = '';			
+				if (e.getModifierState('Shift') == true && currMathsInput.cursorPos > 0) {
+					if (currMathsInput.selected == true) {
+						currMathsInput.selectPos[1] = [currMathsInput.cursorPos+1];
+						setSelectPositions();
+						drawMathsInputText(currMathsInput);
+						mathsInputMapCursorPos();
+						currMathsInput.cursorPos++;
+					} else {
+						currMathsInput.selected = true;
+						currMathsInput.selectPos = [currMathsInput.cursorPos,currMathsInput.cursorPos+1];
+						setSelectPositions();
+						drawMathsInputText(currMathsInput);
+						mathsInputMapCursorPos();
+						currMathsInput.cursorPos++;
+					}
+				} else if (currMathsInput.selected == true) {
+					removeSelectTags();
+					mathsInputMapCursorPos();
+					currMathsInput.cursorPos = Math.max(currMathsInput.selectPos[0],currMathsInput.selectPos[1]);
+					currMathsInput.selectPos = [];
+					mathsInputCursorCoords();
+					currMathsInput.selected = false;
+					removeSelectTags();
+				} else if (currMathsInput.cursorPos < currMathsInput.cursorMap.length - 1) {
+					currMathsInput.cursorPos++;
+					mathsInputCursorCoords();
+				} else {
+					mathsInputTabNext();
+				}
+				break;
+			case 40 : // down arrow
+				currMathsInput.preText = '';
+				currMathsInput.postText = '';
+				if (e.getModifierState('Shift') == true) {
+					if (currMathsInput.selected == false) {
+						currMathsInput.selectPos[0] = currMathsInput.cursorPos;
+					}
+				} else if (currMathsInput.selected == true) {
+					removeSelectTags();
+					mathsInputMapCursorPos();
+					currMathsInput.cursorPos = Math.max(currMathsInput.selectPos[0],currMathsInput.selectPos[1]);
+					currMathsInput.selectPos = [];
+					mathsInputCursorCoords();
+					currMathsInput.selected = false;
+					removeSelectTags();
+				}
+				var cursorPos = currMathsInput.cursorMap[currMathsInput.cursorPos];
+				// get the parent of the current string
+				var parent = currMathsInput.richText;
+				for (var aa = 0; aa < cursorPos.length - 3; aa++) {parent = parent[cursorPos[aa]]};
+				if (parent[0] == 'frac' && cursorPos[cursorPos.length - 3] == 1) {
+					// move to the beginning of the denominator text
+					do {
+						currMathsInput.cursorPos++;
+						var cursorPos2 = currMathsInput.cursorMap[currMathsInput.cursorPos];
+						// get the parent of the cursorPos
+						var parent2 = currMathsInput.richText;
+						for (var aa = 0; aa < cursorPos2.length - 3; aa++) {parent2 = parent2[cursorPos2[aa]]};
+					} while ((parent2 !== parent) || (parent2 == parent && cursorPos2[cursorPos.length - 3] !== 2));
+					// move to the end of the denominator text					
+					do {
+						currMathsInput.cursorPos++;
+						var cursorPos2 = currMathsInput.cursorMap[currMathsInput.cursorPos];
+					} while (cursorPos2.length >= cursorPos.length);
+					currMathsInput.cursorPos--;
+					mathsInputCursorCoords();
+				} else {
+					var higherBreakPoints = [];
+					for (var i = 0; i < currMathsInput.breakPoints.length - 1; i++) {
+						if (currMathsInput.allMap[currMathsInput.breakPoints[i]][0] > currMathsInput.cursorMap[currMathsInput.cursorPos][0] || (currMathsInput.allMap[currMathsInput.breakPoints[i]][0] == currMathsInput.cursorMap[currMathsInput.cursorPos][0] && currMathsInput.allMap[currMathsInput.breakPoints[i]][1] > currMathsInput.cursorMap[currMathsInput.cursorPos][1])) {
+							higherBreakPoints.push(currMathsInput.allMap[currMathsInput.breakPoints[i]]);
+						}
+					}
+					if (higherBreakPoints.length == 0) {
+						// cursor is on bottom line
+						if (shiftOn == true) {
+							if (currMathsInput.selected == true) {
+								currMathsInput.selectPos[1] = currMathsInput.cursorMap.length - 1;
+							} else {
+								currMathsInput.selectPos = [currMathsInput.cursorPos,currMathsInput.cursorMap.length - 1];
+								currMathsInput.selected = true;
+							}
+							setSelectPositions();
+							drawMathsInputText(currMathsInput);
+							mathsInputMapCursorPos();
+							currMathsInput.cursorPos = currMathsInput.cursorMap.length - 1;					
+						}
+					} else {
+						// get bottom point of current cursor position
+						var textLoc = currMathsInput.textLoc;
+						for (var i = 0; i < currMathsInput.cursorMap[currMathsInput.cursorPos].length; i++) {
+							textLoc = textLoc[currMathsInput.cursorMap[currMathsInput.cursorPos][i]];	
+						}
+						var pos = [textLoc.left,textLoc.top+textLoc.height];
+						// search through textLocs
+						var closestPos;
+						var closestDist; 
+						for (var i = 0; i < currMathsInput.cursorMap.length; i++) {
+							// position must be more than higherBreakPoints[0]
+							if (currMathsInput.cursorMap[i][0] > higherBreakPoints[0][0] || (currMathsInput.cursorMap[i][0] == higherBreakPoints[0][0] && currMathsInput.cursorMap[i][1] > higherBreakPoints[0][1])) {						
+								// if it is above the current line
+								
+								// position must not be less than higherBreakPoints[1]
+								if (higherBreakPoints.length > 1) {
+									if (currMathsInput.cursorMap[i][0] > higherBreakPoints[1][0] || (currMathsInput.cursorMap[i][0] == higherBreakPoints[1][0] && currMathsInput.cursorMap[i][1] > higherBreakPoints[1][1])) continue;
+								}
+								var loc = currMathsInput.textLoc;
+								for (var j = 0; j < currMathsInput.cursorMap[i].length; j++) {
+									loc = loc[currMathsInput.cursorMap[i][j]];	
+								}
+								if (typeof closestPos == 'undefined') {
+									closestPos = i;
+									closestDist = distancePointToLineSegment(pos,[loc.left,loc.top],[loc.left,loc.top+loc.height]);
+								} else {
+									var newDist = distancePointToLineSegment(pos,[loc.left,loc.top],[loc.left,loc.top+loc.height]);
+									if (newDist < closestDist) {
+										closestPos = i;
+										closestDist = newDist;	
+									}
+								}
+							}
+						}
+						if (shiftOn == true) {
+							if (currMathsInput.selected == true) {
+								currMathsInput.selectPos[1] = closestPos;
+							} else {
+								currMathsInput.selectPos = [currMathsInput.cursorPos,closestPos];
+								currMathsInput.selected = true;
+							}
+							setSelectPositions();
+							drawMathsInputText(currMathsInput);
+							mathsInputMapCursorPos();
+							currMathsInput.cursorPos = closestPos;
+						} else {
+							currMathsInput.cursorPos = closestPos;
+							mathsInputCursorCoords();
+						}
+					}
+						
+				}
+				break;
+			case 8 : // backspace key pressed
+				currMathsInput.preText = '';
+				currMathsInput.postText = '';
+				if (currMathsInput.selected == true) {
+					currMathsInput.cursorPos = Math.min(currMathsInput.selectPos[0],currMathsInput.selectPos[1]);
+					currMathsInput.selPos = [];
+					currMathsInput.selected = false;
+					deleteSelected();
+					removeSelectTags();
+					drawMathsInputText(currMathsInput);
+					mathsInputMapCursorPos();
+					mathsInputCursorCoords();					
+				} else if (currMathsInput.cursorPos > 0) {
+					removeSelectTags();
+					// get the relevant string from currMathsInput.richText
+					// ie. currMathsInput.richText[cursorPos[0]][cursorPos[1]]...[cursorPos[n]]
+					var cursorPos = currMathsInput.cursorMap[currMathsInput.cursorPos];
+					var pos = cursorPos[cursorPos.length - 1];
+					pos = adjustForBreakPoints(pos);
+					
+					var text = currMathsInput.richText;
+					for (var i = 0; i < cursorPos.length - 1; i++) {text = text[cursorPos[i]]};
+					
+					var parent;
+					if (cursorPos.length > 1) {
+						parent = currMathsInput.richText;
+						for (var i = 0; i < cursorPos.length - 2; i++) {parent = parent[cursorPos[i]]};
+					}
+					var grandParent;
+					if (cursorPos.length > 2) {
+						grandParent = currMathsInput.richText;
+						for (var i = 0; i < cursorPos.length - 3; i++) {grandParent = grandParent[cursorPos[i]]};
+					}
+					
+					if (text !== '') {
+						if (pos !== 0) {
+							//console.clear();
+							//console.log(1,text,pos,text.slice(pos-1));
+							if (text.slice(pos-6).indexOf('<<br>>') == 0) {
+								text = text.slice(0, pos-6) + text.slice(pos);
+							} else {
+								text = text.slice(0, pos-1) + text.slice(pos);
+							}
+							//console.log(2,text);
+							// replace the string
+							var evalString = 'currMathsInput.richText' 
+							for (var aa = 0; aa < cursorPos.length - 1; aa++) {
+								// ugly string creation apprach in order to use eval()
+								evalString += '[' + cursorPos[aa] + ']';
+							}
+							eval(evalString + ' = text;');
+						}
+					} else {
+						if (parent.length == 1) { // ie. empty string is only sub-element  
+							var elemsOneParam = ['sqrt', 'pow', 'power', 'subs', 'subscript', 'sin', 'cos', 'tan', 'sin-1', 'cos-1', 'tan-1', 'log', 'ln', 'abs', 'exp', 'sigma1', 'int1', 'vectorArrow', 'bar', 'hat', 'recurring'];
+							var elemsTwoParams = ['root', 'frac', 'logBase', 'colVector2d', 'lim'];
+							var elemsThreeParams = ['sigma2', 'int2', 'colVector3d', 'mixedNum'];
+							if (elemsOneParam.indexOf(grandParent[0]) > -1 || (elemsTwoParams.indexOf(grandParent[0]) > -1 && cursorPos[cursorPos.length - 3] == 1) || (elemsThreeParams.indexOf(grandParent[0]) > -1 && cursorPos[cursorPos.length - 3] == 1)) { // conditions to delete 					
+								// replace grandParent with "";
+								var evalString = 'currMathsInput.richText' 
+								for (var i = 0; i < cursorPos.length - 3; i++) {
+									// ugly string creation apprach in order to use eval()
+									evalString += '[' + cursorPos[i] + ']';
+								}
+								eval(evalString + ' = "";');
+							}
+						}
+					}
+					//console.log(JSON.stringify(currMathsInput.richText));
+					mathsInputMapCursorPos();
+					currMathsInput.cursorPos--;
+					mathsInputCursorCoords();
+				}
+				break;
+			case 46 : // delete key
+				currMathsInput.preText = '';
+				currMathsInput.postText = '';			
+				if (currMathsInput.selected == true) {
+					currMathsInput.cursorPos = Math.min(currMathsInput.selectPos[0],currMathsInput.selectPos[1]);
+					currMathsInput.selPos = [];
+					currMathsInput.selected = false;
+					deleteSelected();
+					removeSelectTags();
+					drawMathsInputText(currMathsInput);
+					mathsInputMapCursorPos();
+					mathsInputCursorCoords();					
+				} else if (currMathsInput.cursorPos < currMathsInput.cursorMap.length - 1) {
+					// get the relevant string from currMathsInput.richText
+					// ie. currMathsInput.richText[cursorPos[0]][cursorPos[1]]...[cursorPos[n]]
+					var cursorPos = currMathsInput.cursorMap[currMathsInput.cursorPos];
+					var pos = cursorPos[cursorPos.length - 1];
+					pos = adjustForBreakPoints(pos);
+										
+					var text = currMathsInput.richText;
+					for (var i = 0; i < cursorPos.length - 1; i++) {text = text[cursorPos[i]]};
+					
+					if (cursorPos[cursorPos.length - 1] !== text.length) {
+						if (text.slice(pos).indexOf('<<br>>') == 0) {
+							text = text.slice(0,pos) + text.slice(pos+6);
+						} else if (text.slice(pos).indexOf('<<') == 0) {
+							//skip forward to end of tags
+							var text2 = text.slice(pos);
+							var endFound = false;
+							var charCount = 0;
+							do {
+								var c = text2.indexOf('>>') + 2;
+								charCount += c;
+								var text2 = text2.slice(c);
+								if (text2.indexOf('<<') !== 0) {
+									endFound = true;
+								}
+							} while (endFound == false);
+							pos += charCount;
+							text = text.slice(0,pos) + text.slice(pos+1);
+						} else {
+							text = text.slice(0,pos) + text.slice(pos+1);
+						}
+						// replace the string
+						var evalString = 'currMathsInput.richText' 
+						for (var i = 0; i < cursorPos.length - 1; i++) {
+							// ugly string creation apprach in order to use eval()
+							evalString += '[' + cursorPos[i] + ']';
+						}
+						eval(evalString + ' = text;');
+						mathsInputMapCursorPos();
+						mathsInputCursorCoords();
+					}
+				}
+				break;
+			case 9 : // tab key pressed
+				if (typeof draw !== 'undefined' && draw.drawMode == 'textEdit') {
+					if (e.getModifierState('Control')) {
+						mathsInputTab(10);
+					} else if (e.getModifierState('Shift')) {
+						mathsInputTab(5);
+					} else {
+						mathsInputTab();
+					}
+				} else {
+					mathsInputTabNext();
+				}
+				break;
+			case 13 : // enter key pressed			
+				if (currMathsInput.maxLines > 1 || (typeof draw !== 'undefined' && draw.drawMode == 'textEdit')) {
+					if (currMathsInput.selected == true) {
+						currMathsInput.cursorPos = Math.min(currMathsInput.selectPos[0],currMathsInput.selectPos[1]);
+						currMathsInput.selPos = [];
+						currMathsInput.selected = false;
+						deleteSelected();
+						removeSelectTags();
+						drawMathsInputText(currMathsInput);
+						mathsInputMapCursorPos();
+						mathsInputCursorCoords();
+					}
+					mathsInputNewLine();
+				} else {
+					endMathsInput(e);	
+				}
+				break;
+			case 27 : // escape key pressed
+				endMathsInput(e);
+				break;
+			/*case 16 : //shift key pressed
+				shiftOn = true;
+				window.addEventListener('keyup', shiftKeyUp, false);
+				break;*/
+			default :
+			
+				// need to protect against << or >> being entered
+			
+				if (currMathsInput.text[0].length >= currMathsInput.maxChars) {break};
+				if (e.getModifierState('Shift') == true && charCode == 54/* && currMathsInput.cursorMap[currMathsInput.cursorPos].length == 2*/) { // if hat symbol is used and current text element is a text string
+					mathsInputPow();
+					break;
+				}
+				if (keysToIgnore.indexOf(charCode) == -1) {
+					
+					if (currMathsInput.selected == true) {
+						currMathsInput.cursorPos = Math.min(currMathsInput.selectPos[0],currMathsInput.selectPos[1]);
+						currMathsInput.selPos = [];
+						currMathsInput.selected = false;
+						deleteSelected();
+						removeSelectTags();
+						drawMathsInputText(currMathsInput);
+						mathsInputMapCursorPos();
+						mathsInputCursorCoords();
+					}					
+					
+					var caps = false;
+					if (e.getModifierState('Shift') || e.getModifierState('CapsLock')) caps = true
+					
+					for (var ii = 0; ii < charMap.length; ii++) {
+						if (charCode == charMap[ii][0]) {
+							if (caps) {
+								charCode = charMap[ii][2];
+							} else {
+								charCode = charMap[ii][1];
+							}
+						}
+					}
+					// if it is a letter key and shift is not pressed, use lower case instead of upper case
+					if (!caps && charCode >= 65 && charCode <= 90) charCode += 32; 
+					var keyValue = String.fromCharCode(charCode);
+					
+					// get the relevant string from currMathsInput.richText
+					// ie. currMathsInput.richText[cursorPos[0]][cursorPos[1]]...[cursorPos[n]]
+					//console.log(currMathsInput.cursorMap,currMathsInput.cursorPos,currMathsInput.cursorMap[currMathsInput.cursorPos]);
+					var cursorPos = currMathsInput.cursorMap[currMathsInput.cursorPos];
+					
+					/*
+					console.log('currMathsInput.cursorMap:',JSON.stringify(currMathsInput.cursorMap,null,4),currMathsInput.cursorMap.length-1);
+					console.log('currMathsInput.cursorPos:',JSON.stringify(currMathsInput.cursorPos,null,4));
+					console.log('currMathsInput.cursorMap[currMathsInput.cursorPos]:',JSON.stringify(currMathsInput.cursorMap[currMathsInput.cursorPos],null,4));
+					console.log('currMathsInput.richText[0]:',JSON.stringify(currMathsInput.richText[0],null,4),currMathsInput.richText[0].length-1);
+					console.log('cursorPos:',JSON.stringify(cursorPos,null,4));
+					*/
+					
+					var text = currMathsInput.richText;
+					for (var i = 0; i < cursorPos.length - 1; i++) {
+						text = text[cursorPos[i]];
+					}
+					
+					var slicePos = cursorPos[cursorPos.length - 1];
+					slicePos = adjustForBreakPoints(slicePos);
+					
+					/*var prev = 0;
+					var breakPoints = currMathsInput.breakPoints;
+					for (var b = 0; b < breakPoints.length; b++) {
+						prev = breakPoints[b];
+					}*/
+					
+					//console.log(text,slicePos);
+					
+					slicePos = mathsInputAvoidTagSplit(text,slicePos);
+					/* this section replaced by the function above
+					// check that a tag is not being split - if so adjust slicePos
+					var leftText = text.slice(0,slicePos);
+					var rightText = text.slice(slicePos);
+					var tagLeft = false;
+					var tagLeftCount = 0;
+					for (var i = 0; i < leftText.length; i++) {
+						tagLeftCount++;
+						//console.log('left '+i+':',leftText.slice(leftText.length - i)); 
+						if (leftText.slice(leftText.length - i).indexOf('>>') == 0) break;
+						if (leftText.slice(leftText.length - i).indexOf('<<') == 0) {
+							tagLeft = true;
+							break;
+						}
+					}
+					var tagRight = false;
+					var tagRightCount = 0;
+					for (var j = 0; j < rightText.length; j++) {
+						tagRightCount++;
+						//console.log('right '+j+':',rightText.slice(j));
+						if (rightText.slice(j).indexOf('<<') == 0) break;
+						if (rightText.slice(j).indexOf('>>') == 0) {
+							tagRight = true;
+							break;
+						}
+					}
+					//console.log(tagLeft,tagRight,tagLeftCount,tagRightCount);
+					if (tagLeft == true && tagRight == true) {
+						if (tagLeftCount <= tagRightCount) {
+							slicePos -= tagLeftCount;	
+						} else {
+							slicePos += tagRightCount;
+						}
+					}
+					// test if '<',slicePos,'<' or '>',slicePos,'>'
+					if (leftText.slice(-1) == '<' && rightText.slice(0,1) == '<' && rightText.slice(0,2) !== '<<') slicePos--;
+					if (leftText.slice(-1) == '>' && leftText.slice(-2) !== '>>' && rightText.slice(0,1) == '>') slicePos++;*/
+					
+					if (un(currMathsInput.preText) || currMathsInput.preText == null) {
+						var pre = "";
+					} else {
+						var pre = currMathsInput.preText;
+					}
+					if (un(currMathsInput.postText) || currMathsInput.postText == null) {
+						var post = "";
+					} else {
+						var post = currMathsInput.postText;
+					}					
+					
+					text = text.slice(0, slicePos) + pre + keyValue + post + text.slice(slicePos);
+
+					// replace the string
+					var evalString = 'currMathsInput.richText' 
+					for (var i = 0; i < cursorPos.length - 1; i++) {
+						// ugly string creation apprach in order to use eval()
+						evalString += '[' + cursorPos[i] + ']';
+					}
+					eval(evalString + ' = text;');	
+					
+					//logText();
+					mathsInputMapCursorPos();
+					
+					// set the last number of cursorMap[cursorPos+1] to be one more than cursorMap[cursorPos]
+					//currMathsInput.cursorMap[currMathsInput.cursorPos + 1][currMathsInput.cursorMap[currMathsInput.cursorPos + 1].length - 1] = currMathsInput.cursorMap[currMathsInput.cursorPos][currMathsInput.cursorMap[currMathsInput.cursorPos].length - 1] + 1;
+										
+					currMathsInput.cursorPos += 1;
+					mathsInputCursorCoords();
+					currMathsInput.preText = '';
+					currMathsInput.postText = '';						
+					//logText();
+				}
+		}
+	}
+}
+function softKeyMathsInput(e) {
+	//console.log(inputState);
+	if (inputState == true) {
+		/*
+		if (mathsInputDoubleInput == true) {
+			return;
+		} else {
+			mathsInputDoubleInput = true;
+			setTimeout(function() {
+				mathsInputDoubleInput = false;
+			}, 250);
+		}
+		*/
+		var keyNum;
+		var keyValue;
+		if (keyboard[pageIndex]) {
+			keyNum = key1[pageIndex].indexOf(e.target);
+			keyValue = key1Data[pageIndex][keyNum][6];
+		}
+		//console.log(keyValue);
+		if (keyValue == 'delete') { // if it's the delete button
+			currMathsInput.preText = '';
+			currMathsInput.postText = '';	
+			if (currMathsInput.selected == true) {
+				currMathsInput.cursorPos = Math.min(currMathsInput.selectPos[0],currMathsInput.selectPos[1]);
+				currMathsInput.selPos = [];
+				currMathsInput.selected = false;
+				deleteSelected();
+				removeSelectTags();
+				drawMathsInputText(currMathsInput);
+				mathsInputMapCursorPos();
+				mathsInputCursorCoords();					
+			} else if (currMathsInput.cursorPos > 0) {
+				// get the relevant string from currMathsInput.richText
+				// ie. currMathsInput.richText[cursorPos[0]][cursorPos[1]]...[cursorPos[n]]
+				var cursorPos = currMathsInput.cursorMap[currMathsInput.cursorPos];
+				//console.log(cursorPos);
+				var pos = cursorPos[cursorPos.length - 1];
+				//console.log(pos);
+				pos = adjustForBreakPoints(pos);
+				//console.log(pos);
+				
+				var text = currMathsInput.richText;
+				for (var i = 0; i < cursorPos.length - 1; i++) {text = text[cursorPos[i]]};
+				
+				var parent;
+				if (cursorPos.length > 1) {
+					parent = currMathsInput.richText;
+					for (var i = 0; i < cursorPos.length - 2; i++) {parent = parent[cursorPos[i]]};
+				}
+				var grandParent;
+				if (cursorPos.length > 2) {
+					grandParent = currMathsInput.richText;
+					for (var i = 0; i < cursorPos.length - 3; i++) {grandParent = grandParent[cursorPos[i]]};
+				}
+				
+				if (text !== '') {
+					if (pos !== 0) {
+						//console.log(1,text,text.length,pos,text.slice(0, pos-1) + text.slice(pos));
+						if (text.slice(pos-6).indexOf('<<br>>') == 0) {
+							text = text.slice(0, pos-6) + text.slice(pos);
+						} else {
+							text = text.slice(0, pos-1) + text.slice(pos);
+						}
+						//console.log(2,text);
+						// replace the string
+						var evalString = 'currMathsInput.richText' 
+						for (var aa = 0; aa < cursorPos.length - 1; aa++) {
+							// ugly string creation apprach in order to use eval()
+							evalString += '[' + cursorPos[aa] + ']';
+						}
+						eval(evalString + ' = text;');
+					}
+				} else {
+					if (parent.length == 1) { // ie. empty string is only sub-element  
+						var elemsOneParam = ['sqrt', 'pow', 'power', 'subs', 'subscript', 'sin', 'cos', 'tan', 'sin-1', 'cos-1', 'tan-1', 'log', 'ln', 'abs', 'exp', 'sigma1', 'int1', 'vectorArrow', 'bar', 'hat', 'recurring'];
+						var elemsTwoParams = ['root', 'frac', 'logBase', 'colVector2d', 'lim'];
+						var elemsThreeParams = ['sigma2', 'int2', 'colVector3d', 'mixedNum'];
+						if (elemsOneParam.indexOf(grandParent[0]) > -1 || (elemsTwoParams.indexOf(grandParent[0]) > -1 && cursorPos[cursorPos.length - 3] == 1) || (elemsThreeParams.indexOf(grandParent[0]) > -1 && cursorPos[cursorPos.length - 3] == 1)) { // conditions to delete elements								
+							// replace grandParent with "";
+							var evalString = 'currMathsInput.richText' 
+							for (var i = 0; i < cursorPos.length - 3; i++) {
+								// ugly string creation apprach in order to use eval()
+								evalString += '[' + cursorPos[i] + ']';
+							}
+							eval(evalString + ' = "";');
+						}
+					}
+				}
+				mathsInputMapCursorPos();
+				currMathsInput.cursorPos--;
+				mathsInputCursorCoords();
+			}
+		} else {
+			// type text char
+			if (currMathsInput.text[0].length >= currMathsInput.maxChars) {return};
+			
+			if (currMathsInput.selected == true) {
+				currMathsInput.cursorPos = Math.min(currMathsInput.selectPos[0],currMathsInput.selectPos[1]);
+				currMathsInput.selPos = [];
+				currMathsInput.selected = false;
+				deleteSelected();
+				removeSelectTags();
+				drawMathsInputText(currMathsInput);
+				mathsInputMapCursorPos();
+				mathsInputCursorCoords();
+			}			
+			
+			// get the relevant string from currMathsInput.richText
+			// ie. currMathsInput.richText[cursorPos[0]][cursorPos[1]]...[cursorPos[n]]
+			var cursorPos = currMathsInput.cursorMap[currMathsInput.cursorPos];
+						
+			var text = currMathsInput.richText;
+			for (var aa = 0; aa < cursorPos.length - 1; aa++) {
+				text = text[cursorPos[aa]];
+			}
+			
+			/*
+			// test if sin, cos, tan, ln or log have been written:
+			if (keyValue == 'n' && text.length > 1 && text.slice(cursorPos[cursorPos.length - 1] - 2, cursorPos[cursorPos.length - 1]) == 'si') {
+				// get cursorPos
+				var cursorPos = currMathsInput.cursorMap[currMathsInput.cursorPos];
+				// get parent
+				var parent = currMathsInput.richText;
+				for (var aa = 0; aa < cursorPos.length - 1; aa++) {parent = parent[cursorPos[aa]]};
+				// get position of cursor in parent string
+				var pos = cursorPos[cursorPos.length - 1];
+				var parentPos = cursorPos[cursorPos.length - 2];
+			
+				var evalString = 'currMathsInput.richText' 
+				for (var aa = 0; aa < cursorPos.length - 2; aa++) {
+					// ugly string creation apprach in order to use eval()
+					evalString += '[' + cursorPos[aa] + ']';
+				}
+				eval(evalString + ".splice(parentPos, 1, parent.slice(0, pos - 2), ['sin', ['']], parent.slice(pos));");
+				mathsInputMapCursorPos();
+				currMathsInput.cursorPos--;
+				mathsInputCursorCoords();
+				return;
+			}
+			if (keyValue == 's' && text.length > 1 && text.slice(cursorPos[cursorPos.length - 1] - 2, cursorPos[cursorPos.length - 1]) == 'co') {
+				// get cursorPos
+				var cursorPos = currMathsInput.cursorMap[currMathsInput.cursorPos];
+				// get parent
+				var parent = currMathsInput.richText;
+				for (var aa = 0; aa < cursorPos.length - 1; aa++) {parent = parent[cursorPos[aa]]};
+				// get position of cursor in parent string
+				var pos = cursorPos[cursorPos.length - 1];
+				var parentPos = cursorPos[cursorPos.length - 2];
+			
+				var evalString = 'currMathsInput.richText' 
+				for (var aa = 0; aa < cursorPos.length - 2; aa++) {
+					// ugly string creation apprach in order to use eval()
+					evalString += '[' + cursorPos[aa] + ']';
+				}
+				eval(evalString + ".splice(parentPos, 1, parent.slice(0, pos - 2), ['cos', ['']], parent.slice(pos));");
+				mathsInputMapCursorPos();
+				currMathsInput.cursorPos--;
+				mathsInputCursorCoords();
+				return;
+			}
+			if (keyValue == 'n' && text.length > 1 && text.slice(cursorPos[cursorPos.length - 1] - 2, cursorPos[cursorPos.length - 1]) == 'ta') {
+				console.log('tan');
+				// get cursorPos
+				var cursorPos = currMathsInput.cursorMap[currMathsInput.cursorPos];
+				// get parent
+				var parent = currMathsInput.richText;
+				for (var aa = 0; aa < cursorPos.length - 1; aa++) {parent = parent[cursorPos[aa]]};
+				// get position of cursor in parent string
+				var pos = cursorPos[cursorPos.length - 1];
+				var parentPos = cursorPos[cursorPos.length - 2];
+			
+				var evalString = 'currMathsInput.richText' 
+				for (var aa = 0; aa < cursorPos.length - 2; aa++) {
+					// ugly string creation apprach in order to use eval()
+					evalString += '[' + cursorPos[aa] + ']';
+				}
+				eval(evalString + ".splice(parentPos, 1, parent.slice(0, pos - 2), ['tan', ['']], parent.slice(pos));");
+				mathsInputMapCursorPos();
+				currMathsInput.cursorPos--;
+				mathsInputCursorCoords();
+				return;
+			}
+			if (keyValue == 'n' && text.length > 0 && text.slice(cursorPos[cursorPos.length - 1] - 1, cursorPos[cursorPos.length - 1]) == 'l') {
+				console.log('ln');
+				// get cursorPos
+				var cursorPos = currMathsInput.cursorMap[currMathsInput.cursorPos];
+				// get parent
+				var parent = currMathsInput.richText;
+				for (var aa = 0; aa < cursorPos.length - 1; aa++) {parent = parent[cursorPos[aa]]};
+				// get position of cursor in parent string
+				var pos = cursorPos[cursorPos.length - 1];
+				var parentPos = cursorPos[cursorPos.length - 2];
+			
+				var evalString = 'currMathsInput.richText' 
+				for (var aa = 0; aa < cursorPos.length - 2; aa++) {
+					// ugly string creation apprach in order to use eval()
+					evalString += '[' + cursorPos[aa] + ']';
+				}
+				eval(evalString + ".splice(parentPos, 1, parent.slice(0, pos - 1), ['ln', ['']], parent.slice(pos));");
+				mathsInputMapCursorPos();
+				mathsInputCursorCoords();
+				return;
+			}
+			if (keyValue == 'g' && text.length > 1 && text.slice(cursorPos[cursorPos.length - 1] - 2, cursorPos[cursorPos.length - 1]) == 'lo') {
+				console.log('log');
+				// get cursorPos
+				var cursorPos = currMathsInput.cursorMap[currMathsInput.cursorPos];
+				// get parent
+				var parent = currMathsInput.richText;
+				for (var aa = 0; aa < cursorPos.length - 1; aa++) {parent = parent[cursorPos[aa]]};
+				// get position of cursor in parent string
+				var pos = cursorPos[cursorPos.length - 1];
+				var parentPos = cursorPos[cursorPos.length - 2];
+			
+				var evalString = 'currMathsInput.richText' 
+				for (var aa = 0; aa < cursorPos.length - 2; aa++) {
+					// ugly string creation apprach in order to use eval()
+					evalString += '[' + cursorPos[aa] + ']';
+				}
+				eval(evalString + ".splice(parentPos, 1, parent.slice(0, pos - 2), ['log', ['']], parent.slice(pos));");
+				mathsInputMapCursorPos();
+				currMathsInput.cursorPos--;
+				mathsInputCursorCoords();
+				return;
+			}			
+			*/
+
+			var slicePos = cursorPos[cursorPos.length - 1];
+			slicePos = adjustForBreakPoints(slicePos);
+			//console.log(slicePos);
+
+			slicePos = mathsInputAvoidTagSplit(text,slicePos);
+			/* the section below is replaced by the function above
+			// check that a tag is not being split - if so adjust slicePos
+			var leftText = text.slice(0,slicePos);
+			var rightText = text.slice(slicePos);
+			var tagLeft = false;
+			var tagLeftCount = 0;
+			for (var i = 0; i < leftText.length; i++) {
+				tagLeftCount++;
+				//console.log('left '+i+':',leftText.slice(leftText.length - i)); 
+				if (leftText.slice(leftText.length - i).indexOf('>>') == 0) break;
+				if (leftText.slice(leftText.length - i).indexOf('<<') == 0) {
+					tagLeft = true;
+					break;
+				}
+			}
+			var tagRight = false;
+			var tagRightCount = 0;
+			for (var j = 0; j < rightText.length; j++) {
+				tagRightCount++;
+				//console.log('right '+j+':',rightText.slice(j));
+				if (rightText.slice(j).indexOf('<<') == 0) break;
+				if (rightText.slice(j).indexOf('>>') == 0) {
+					tagRight = true;
+					break;
+				}
+			}
+			//console.log(tagLeft,tagRight,tagLeftCount,tagRightCount);
+			if (tagLeft == true && tagRight == true) {
+				if (tagLeftCount <= tagRightCount) {
+					slicePos -= tagLeftCount;	
+				} else {
+					slicePos += tagRightCount;
+				}
+			}
+			// test if '<',slicePos,'<' or '>',slicePos,'>'
+			if (leftText.slice(-1) == '<' && rightText.slice(0,1) == '<' && rightText.slice(0,2) !== '<<') slicePos--;
+			if (leftText.slice(-1) == '>' && leftText.slice(-2) !== '>>' && rightText.slice(0,1) == '>') slicePos++;*/
+
+			
+			if (un(currMathsInput.preText) || currMathsInput.preText == null) {
+				var pre = "";
+			} else {
+				var pre = currMathsInput.preText;
+			}
+			if (un(currMathsInput.postText) || currMathsInput.postText == null) {
+				var post = "";
+			} else {
+				var post = currMathsInput.postText;
+			}			
+			
+			text = text.slice(0, slicePos) + pre + keyValue + post + text.slice(slicePos);
+
+			// replace the string
+			var evalString = 'currMathsInput.richText' 
+			for (var i = 0; i < cursorPos.length - 1; i++) {
+				// ugly string creation approach in order to use eval()
+				evalString += '[' + cursorPos[i] + ']';
+			}
+			eval(evalString + ' = text;');
+			
+			// if followed by a power, test if a baseSpacer is now required					
+			if (cursorPos[cursorPos.length - 1] + 1 == text.length && typeof currMathsInput.cursorMap[currMathsInput.cursorPos + 1] !== 'undefined') {
+				// get the next element after the parent
+				var nextCursorPos = currMathsInput.cursorMap[currMathsInput.cursorPos + 1];
+				var nextElem = currMathsInput.richText;
+				for (var aa = 0; aa < nextCursorPos.length - 3; aa++) {nextElem = nextElem[nextCursorPos[aa]]};
+				if (nextElem[0] == 'power' || nextElem[0] == 'subs') {
+					var baseSpacer = true;
+					if (/[a-zA-Z0-9)]/g.test(keyValue) == true) baseSpacer = false
+					var evalString = 'currMathsInput.richText' 
+					for (var aa = 0; aa < nextCursorPos.length - 3; aa++) {
+						// ugly string creation apprach in order to use eval()
+						evalString += '[' + nextCursorPos[aa] + ']';
+					}
+					eval(evalString + "[1] = " + baseSpacer + ";");
+				}
+			}			
+			
+			mathsInputMapCursorPos();
+			currMathsInput.cursorPos += 1;
+			mathsInputCursorCoords();
+			currMathsInput.preText = '';
+			currMathsInput.postText = '';			
+		}
+	}
+}
+
+//var date = new Date();
+//var prevMathsInputTime = date.getTime();
+var mathsInputDoubleInput = false;
+
+/*function setMathsInputBackColor(input,color) {
+	input.backColor = color;
+	drawMathsInputText(input);
+}*/
+function measureMathsInputText(input) {
+	var leftPoint = 10;
+	if (input.textAlign == 'center') {leftPoint = 0.5 * input.data[2]};
+	if (typeof input.richText[input.richText.length - 1] !== 'string') {input.richText.push('')};
+	return drawMathsText(input.ctx, input.richText, input.fontSize, leftPoint, 0.5 * input.data[3], input.algText, input.textLoc, input.textAlign, 'middle', input.textColor, 'measure');
+}
+function drawMathsInputText(input,ctxLocal,sf,useRelPos) {
+	if (typeof sf == 'undefined') sf = 1;
+	if (typeof ctxLocal == 'undefined') {
+		input.ctx.clearRect(0,0,input.data[102],input.data[103]);
+		var ctx = input.ctx;
+		var ownCanvas = true;
+	} else {
+		var ctx = ctxLocal; // will draw to a different canvas
+		var ownCanvas = false;
+	}
+	if (typeof input.richText[input.richText.length-1] !== 'string') {input.richText.push('')};
+	var leftPoint = 10*sf;
+	var topPoint = 0;
+
+	if (typeof input.varSize == 'object') {
+		if (input.textAlign == 'left') {
+			leftPoint = input.varSize.padding*sf;
+			if (typeof input.varSize.padding !== 'number') leftPoint = 10*sf;
+		} else if (input.textAlign == 'center') {
+			leftPoint = 0;
+		} else if (input.textAlign == 'right') {
+			leftPoint = 0 - input.varSize.padding*sf;
+			if (typeof input.varSize.padding !== 'number') leftPoint = -10*sf;
+		}
+		var minTightWidth = input.varSize.minWidth*sf || 50*sf;
+		var minTightHeight = input.varSize.minHeight*sf || 50*sf;
+		var padding = input.varSize.padding*sf;
+		var maxWidth = input.varSize.maxWidth*sf || input.data[102]*sf;
+		var maxHeight = input.varSize.maxHeight*sf || input.data[103]*sf;		
+	} else {
+		if (input.textAlign == 'left') {
+			leftPoint = 10*sf;
+		} else if (input.textAlign == 'center') {
+			leftPoint = 0;							
+		} else if (input.textAlign == 'right') {
+			
+		}
+		var minTightWidth = 50*sf;
+		var minTightHeight = 50*sf;
+		var padding = 0.01*sf;	
+		var maxWidth = input.data[102]*sf;
+		var maxHeight = input.data[103]*sf;		
+	}
+	
+	if (input.border == true) {
+		if (typeof input.varSize == 'object') {
+			var border = {
+				type:'tight',
+				color:input.backColor,
+				borderColor:input.borderColor,
+				borderWidth:input.borderWidth*sf,
+				dash:input.borderDash,
+				radius:input.borderRadius*sf || input.radius*sf || 0
+			}
+		} else {
+			var radius = input.borderRadius*sf || input.radius*sf || 0;
+			var borderLeft = input.borderWidth*sf/2;
+			var borderTop = input.borderWidth*sf/2;
+			if (ownCanvas == false) {
+				borderLeft += input.data[100]*sf;
+				borderTop += input.data[101]*sf;
+			}
+			roundedRect(ctx,borderLeft,borderTop,input.data[102]*sf-input.borderWidth*sf,input.data[103]*sf-input.borderWidth*sf,radius,input.borderWidth*sf,input.borderColor,input.backColor,input.borderDash);
+			var border = {type:'none'};
+		}
+	} else {
+		var border = {type:'none'};
+	}
+	
+	if (ownCanvas == false) {
+		if (!isNaN(input.data[100])) {
+			leftPoint += input.data[100]*sf;
+			topPoint += input.data[101]*sf;
+		} else {
+			leftPoint += input.data[0]*sf;
+			topPoint += input.data[1]*sf;
+		}
+		if (boolean(useRelPos,true) == true && typeof draw !== 'undefined' && typeof draw !== 'undefined' && typeof draw.drawRelPos !== 'undefined') {
+			leftPoint -= draw.drawRelPos[0]*sf;
+			topPoint -= draw.drawRelPos[1]*sf;
+		}
+	}
+	
+	var lineSpacingFactor = input.lineSpacingFactor || 1.2;
+	var lineSpacingStyle = input.lineSpacingStyle || 'variable';
+	
+	var drawText = text({
+		context:ctx,
+		textArray:input.richText,
+		left:leftPoint,
+		top:topPoint,
+		width:maxWidth,
+		height:maxHeight,
+		allowSpaces:true,
+		textAlign:input.textAlign,
+		vertAlign:input.vertAlign,
+		minTightWidth:minTightWidth,
+		minTightHeight:minTightHeight,
+		padding:padding,
+		box:border,
+		sf:sf,
+		lineSpacingFactor:lineSpacingFactor,
+		spacingStyle:lineSpacingStyle
+	});
+
+	if (ownCanvas == true) {
+		input.textLoc = drawText.textLoc;
+		input.breakPoints = drawText.breakPoints;
+		input.tightRect = drawText.tightRect;
+		input.totalTextWidth = drawText.totalTextWidth;
+		input.maxWordWidth = drawText.maxWordWidth;
+	}
+	
+	/*if (typeof input.drawPath == 'object') {
+		if (input.tightRect[3] > input.drawPath.obj[0].height) {
+			input.drawPath.obj[0].height = input.tightRect[3];
+			input.varSize.maxHeight = input.tightRect[3];
+			updateBorder(input.drawPath);
+			drawCanvasPaths();
+		}	
+	}*/
+	
+	if (typeof input.varSize == 'object' && ownCanvas == true) {
+		// resize cursor canvas
+		if (typeof input.tightRect == 'object') {
+			input.cursorData[100] = input.data[100] + input.tightRect[0];
+			input.cursorData[101] = input.data[101] + input.tightRect[1];
+			input.cursorData[102] = input.tightRect[2];
+			input.cursorData[103] = input.tightRect[3];		
+		} else {
+			input.cursorData[100] = input.data[100];
+			input.cursorData[101] = input.data[101];
+			input.cursorData[102] = input.data[102];
+			input.cursorData[103] = input.data[103];			
+		}
+		input.cursorCanvas.width = input.cursorData[102];
+		input.cursorCanvas.height = input.cursorData[103];
+		resizeCanvas(input.cursorCanvas,input.cursorData[100],input.cursorData[101],input.cursorData[102],input.cursorData[103]);
+	}		
+	
+	if (!un(draw) && draw.drawMode == 'textEdit') {
+		var obj = sel();
+		if (obj.type == 'text' && obj.mathsInput.canvas == input.canvas) {
+			if (input.cursorData[103] > obj.height || input.cursorData[102] > obj.width) {
+				for (var i = 0; i < draw.path.length; i++) {
+					if (draw.path[i].selected == true) {
+						if (input.cursorData[103] > obj.height) obj.height = input.cursorData[103];
+						if (input.cursorData[102] > obj.width) obj.width = input.cursorData[102];
+						updateBorder(draw.path[i]);
+					}
+				}
+			}
+		}
+		calcCursorPositions();
+		drawSelectCanvas();		
+	}
+	//console.clear();
+	//if (currMathsInput.id == 1)	console.log(currMathsInput.id,JSON.stringify(currMathsInput.richText));
+}
+function mathsInputAddChar(mInput,char) {
+	if (un(mInput)) mInput = currMathsInput;
+	// get last position
+	var cursorPos = mInput.cursorMap[mInput.cursorMap.length-1];
+	var loc = mInput.textLoc;	
+	for (var aa = 0 ; aa < cursorPos.length; aa++) {
+		loc = loc[cursorPos[aa]];
+	}
+	//console.log(cursorPos);
+	
+	var font,fontSize,color,bold,italic;
+	arrayHandler(mInput.richText);
+	var newLoc = drawMathsText(mInput.ctx,char,fontSize,loc.left,loc.top+0.5*loc.height,false,[],'left','middle',color,'draw','none',bold,italic,font,false,1).textLoc;
+
+	var evalString = '';
+	for (var aa = 0 ; aa < cursorPos.length-1; aa++) {
+		evalString += '['+cursorPos[aa]+']';
+	}
+	eval('mInput.richText'+evalString+'=mInput.richText'+evalString+'+char');
+	eval('mInput.textLoc'+evalString+'.push(newLoc[0][1])');
+	cursorPos[cursorPos.length-1]++;
+	mInput.cursorMap.push(cursorPos);
+	
+	//console.log(mInput);
+	
+	function markupTag(tag) {
+		if (tag.indexOf('<<font:') == 0) {
+			font = tag.slice(7,-2);
+		} else if (tag.indexOf('<<fontSize:') == 0) {
+			fontSize = Number(tag.slice(11,-2));
+		} else if (tag.indexOf('<<color:') == 0) {
+			color = tag.slice(8,-2);						
+		} else if (tag.indexOf('<<bold:') == 0) {
+			if (tag.indexOf('true') > -1) bold = true;
+			if (tag.indexOf('false') > -1) bold = false;
+		} else if (tag.indexOf('<<italic:') == 0) {
+			if (tag.indexOf('true') > -1) italic = true;
+			if (tag.indexOf('false') > -1) italic = false;
+		}
+	}
+	function arrayHandler(arr) {
+		//console.log(JSON.stringify(arr));
+		for (var i = 0; i < arr.length; i++) {
+			if (typeof arr[i] == 'object') {
+				arrayHandler(arr[i]);							
+			} else if (typeof arr[i] == 'string') {
+				var splitText = splitMarkup(arr[i]);
+				for (var splitElem = 0; splitElem < splitText.length; splitElem++) {
+					if (splitText[splitElem].indexOf('<<') == 0 && splitText[splitElem].indexOf('<<br>>') !== 0) {
+						markupTag(splitText[splitElem],true);
+					}
+				}					
+			}
+		}
+	}		
+}
+function createJsString (angleMode) {
+	if (typeof angleMode == 'undefined') {
+		angleMode = currMathsInput.angleMode || 'deg';
+	}
+
+	var depth = 0;
+	var jsArray = [''];
+	var js = '';
+	var algArray = [''];
+	var alg = '';
+	var exceptions = ['Math.pow','Math.sqrt','Math.PI','Math.sin','Math.cos','Math.tan','Math.asin','Math.acos','Math.atan','Math.e','Math.log','Math.abs','sin','cos','tan'];
+	var position = [0];
+		
+	for (var p = 0; p < currMathsInput.richText.length; p++) {
+		//console.log('Before ' + p + ' base element(s):', jsArray);
+		subJS(currMathsInput.richText[p],true);
+		position[depth]++;
+		//console.log('After ' + p + ' base elements:', jsArray);
+	}
+	
+	js = jsArray[0];
+	alg = algArray[0];
+	//console.log(js);
+	
+	function removeAllTagsFromString(str) {
+		for (var char = str.length-1; char > -1; char--) {
+			if (str.slice(char).indexOf('>>') == 0 && str.slice(char-1).indexOf('>>>') !== 0) {
+				for (var char2 = char-2; char2 > -1; char2--) {
+					if (str.slice(char2).indexOf('<<') == 0) {
+						str = str.slice(0,char2) + str.slice(char+2);
+						char = char2;
+						break;	
+					}
+				}
+			}
+		}		
+		return str;
+	}
+	
+	function subJS(elem, addMultIfNecc) {
+		if (typeof addMultIfNecc !== 'boolean') addMultIfNecc = true;
+		//console.log('subJS', elem);
+		if (typeof elem == 'string') {
+			//console.log('string');
+			var subText = replaceAll(elem, ' ', ''); // remove white space
+			subText = removeAllTagsFromString(subText);
+
+			subText = subText.replace(/\u00D7/g, '*'); // replace multiplications signs with *
+			subText = subText.replace(/\u00F7/g, '/'); // replace division signs with /
+			subText = subText.replace(/\u2264/g, '<='); // replace  signs with <=
+			subText = subText.replace(/\u2265/g, '>='); // replace  signs with >=
+			for (var c = 0; c < subText.length - 2; c++) {
+				if (subText.slice(c).indexOf('sin') == 0 || subText.slice(c).indexOf('cos') == 0 || subText.slice(c).indexOf('tan') == 0) {
+					if (subText.slice(c).indexOf('(') == 3) {
+						if (angleMode == 'rad') {
+							subText = subText.slice(0,c)+'Math.'+subText.slice(c);
+							c += 5;
+						} else {
+							subText = subText.slice(0,c)+'Math.'+subText.slice(c,c+4)+'(Math.PI/180)*'+subText.slice(c+4);
+							c += 19;
+						}
+					}
+				}
+			}
+			subText = timesBeforeLetters(subText);
+			// if following frac or power, add * if necessary
+			if (addMultIfNecc == true && jsArray[depth] !== '' && elem !== '' && /[ \+\-\=\u00D7\u00F7\u2264\u2265\<\>\])]/.test(elem.charAt(0)) == false) subText = '*' + subText;
+			jsArray[depth] += subText;
+			algArray[depth] += subText;
+			return;
+		} else if (elem[0] == 'frac') {
+			//console.log('frac');
+			var subText = '';
+			var subText2 = '';
+			// if not proceeded by an operator, put a times sign in
+			if (jsArray[depth] !== '' && /[\+\-\u00D7\u00F7\*\/\=\[(]/.test(jsArray[depth].slice(-1)) == false) subText += "*";
+			depth++;
+			position.push(0);
+			jsArray[depth] = '';
+			subJS(elem[1], false);
+			jsArray[depth] = replaceAll(jsArray[depth], ' ', ''); // remove white space 
+			subText += '((' + jsArray[depth] + ')/';
+			subText2 += 'frac(' + jsArray[depth] + ',';
+			jsArray[depth] = '';
+			subJS(elem[2], false);
+			jsArray[depth] = replaceAll(jsArray[depth], ' ', ''); // remove white space
+			subText += '(' + jsArray[depth] + '))';
+			subText2 += jsArray[depth] + ')';
+			jsArray[depth] = '';
+			depth--;
+			position.pop();
+			jsArray[depth] += subText;
+			algArray[depth] += subText2;
+			return;
+		} else if (elem[0] == 'sqrt') {
+			//console.log('sqrt');
+			var subText = '';
+			var subText2 = '';
+			// if not proceeded by an operator, put a times sign in
+			if (jsArray[depth] !== '' && /[\+\-\u00D7\u00F7\*\/\=\[(]/.test(jsArray[depth].slice(-1)) == false) subText += "*";
+			depth++;
+			position.push(0);
+			jsArray[depth] = '';
+			subJS(elem[1], false);
+			jsArray[depth] = replaceAll(jsArray[depth], ' ', ''); // remove white space
+			subText += 'Math.sqrt('+ jsArray[depth] +')';
+			subText2 += 'sqrt('+jsArray[depth]+')';
+			jsArray[depth] = '';
+			depth--;
+			position.pop();
+			jsArray[depth] += subText;
+			algArray[depth] += subText2;			
+			return;
+		} else if (elem[0] == 'root') {
+			//console.log(elem[0]);
+			var subText = '';
+			var subText2 = '';
+			// if not proceeded by an operator, put a times sign in
+			if (jsArray[depth] !== '' && /[\+\-\u00D7\u00F7\*\/\=\[(]/.test(jsArray[depth].slice(-1)) == false) subText += "*";
+			depth++;
+			position.push(0);
+			jsArray[depth] = '';
+			subJS(elem[2], false);
+			jsArray[depth] = replaceAll(jsArray[depth], ' ', ''); // remove white space
+			subText += '(Math.pow('+jsArray[depth]+',';
+			subText2 += 'root('+jsArray[depth]+',';
+			jsArray[depth] = '';
+			subJS(elem[1], false);
+			jsArray[depth] = replaceAll(jsArray[depth], ' ', ''); // remove white space
+			subText += '(1/('+jsArray[depth]+'))))';
+			subText2 += jsArray[depth]+')';
+			jsArray[depth] = '';
+			depth--;
+			position.pop();
+			jsArray[depth] += subText;
+			algArray[depth] += subText2;
+			return;
+		} else if (elem[0] == 'sin' || elem[0] == 'cos' || elem[0] == 'tan') {
+			//console.log(elem[0]);
+			var subText = '';
+			// if not proceeded by an operator, put a times sign in
+			if (jsArray[depth] !== '' && /[\+\-\u00D7\u00F7\*\/\=\[(]/.test(jsArray[depth].slice(-1)) == false) subText += "*";
+			depth++;
+			position.push(0);
+			jsArray[depth] = '';
+			subJS(elem[1], false);
+			jsArray[depth] = replaceAll(jsArray[depth], ' ', ''); // remove white space
+			var convertText1 = '';
+			var convertText2 = '';
+			if (angleMode == 'deg' || angleMode == 'degrees') {
+				convertText1 = '(';
+				convertText2 = ')*Math.PI/180';
+			}
+			subText += 'Math.'+ elem[0] +'('+convertText1+jsArray[depth]+convertText2+')';
+			jsArray[depth] = '';
+			depth--;
+			position.pop();
+			jsArray[depth] += subText;
+			algArray[depth] += subText;
+			return;
+		} else if (elem[0] == 'sin-1' || elem[0] == 'cos-1' || elem[0] == 'tan-1') {
+			//console.log(elem[0]);
+			var subText = '';
+			// if not proceeded by an operator, put a times sign in
+			if (jsArray[depth] !== '' && /[\+\-\u00D7\u00F7\*\/\=\[(]/.test(jsArray[depth].slice(-1)) == false) subText += "*";
+			depth++;
+			position.push(0);
+			jsArray[depth] = '';
+			subJS(elem[1], false);
+			jsArray[depth] = replaceAll(jsArray[depth], ' ', ''); // remove white space
+			var convertText1 = '';
+			var convertText2 = '';
+			if (angleMode == 'deg' || angleMode == 'degrees') {
+				convertText1 = '((';
+				convertText2 = ')*180/Math.PI)';
+			}
+			subText += convertText1+'Math.a'+elem[0].slice(0,3)+'('+jsArray[depth]+')'+convertText2;;
+			jsArray[depth] = '';
+			depth--;
+			position.pop();
+			jsArray[depth] += subText;
+			algArray[depth] += subText;			
+			return;
+		} else if (elem[0] == 'ln') {
+			//console.log(elem[0]);
+			var subText = '';
+			// if not proceeded by an operator, put a times sign in
+			if (jsArray[depth] !== '' && /[\+\-\u00D7\u00F7\*\/\=\[(]/.test(jsArray[depth].slice(-1)) == false) subText += "*";
+			depth++;
+			position.push(0);
+			jsArray[depth] = '';
+			subJS(elem[1], false);
+			jsArray[depth] = replaceAll(jsArray[depth], ' ', ''); // remove white space
+			subText += 'Math.log('+jsArray[depth]+')';
+			jsArray[depth] = '';
+			position.pop();
+			depth--;
+			jsArray[depth] += subText;
+			algArray[depth] += subText;
+			return;
+		} else if (elem[0] == 'log') {
+			//console.log(elem[0]);
+			var subText = '';
+			// if not proceeded by an operator, put a times sign in
+			if (jsArray[depth] !== '' && /[\+\-\u00D7\u00F7\*\/\=\[(]/.test(jsArray[depth].slice(-1)) == false) subText += "*";
+			depth++;
+			position.push(0);
+			jsArray[depth] = '';
+			subJS(elem[1], false);
+			jsArray[depth] = replaceAll(jsArray[depth], ' ', ''); // remove white space
+			subText += '((Math.log('+jsArray[depth]+'))/(Math.log(10)))';
+			jsArray[depth] = '';
+			depth--;
+			position.pop();
+			jsArray[depth] += subText;
+			algArray[depth] += subText;
+			return;
+		} else if (elem[0] == 'logBase') {
+			//console.log(elem[0]);
+			var subText = '';
+			// if not proceeded by an operator, put a times sign in
+			if (jsArray[depth] !== '' && /[\+\-\u00D7\u00F7\*\/\=\[(]/.test(jsArray[depth].slice(-1)) == false) subText += "*";
+			depth++;
+			position.push(0);		
+			jsArray[depth] = '';
+			subJS(elem[2], false);
+			jsArray[depth] = replaceAll(jsArray[depth], ' ', ''); // remove white space
+			subText += '((Math.log('+jsArray[depth]+'))/';
+			jsArray[depth] = '';
+			subJS(elem[1], false);
+			jsArray[depth] = replaceAll(jsArray[depth], ' ', ''); // remove white space
+			subText += '(Math.log('+jsArray[depth]+')))';
+			jsArray[depth] = '';
+			depth--;
+			position.pop();
+			jsArray[depth] += subText;
+			algArray[depth] += subText;
+			return;
+		} else if (elem[0] == 'abs') {
+			//console.log(elem[0]);
+			var subText = '';
+			// if not proceeded by an operator, put a times sign in
+			if (jsArray[depth] !== '' && /[\+\-\u00D7\u00F7\*\/\=\[(]/.test(jsArray[depth].slice(-1)) == false) subText += "*";
+			depth++;
+			position.push(0);			
+			jsArray[depth] = '';
+			subJS(elem[1], false);
+			jsArray[depth] = replaceAll(jsArray[depth], ' ', ''); // remove white space
+			subText += 'Math.abs('+jsArray[depth]+')';
+			jsArray[depth] = '';
+			depth--;
+			position.pop();
+			jsArray[depth] += subText;
+			algArray[depth] += subText;
+			return;
+		} else if (elem[0] == 'power' || elem[0] == 'pow') {
+			//console.log('power');
+		
+			var baseSplitPoint = 0;
+			var trigPower = false;
+			//if the power is after a close bracket
+			if (jsArray[depth] !== '') {
+				if (jsArray[depth].charAt(jsArray[depth].length - 1) == ')') {
+					var bracketCount = 1
+					for (jsChar = jsArray[depth].length - 2; jsChar >= 0; jsChar--) {
+						if (jsArray[depth].charAt(jsChar) == ')') {bracketCount++}
+						if (jsArray[depth].charAt(jsChar) == '(') {bracketCount--}
+						if (bracketCount == 0 && !baseSplitPoint) {
+							baseSplitPoint = jsChar;
+							break;
+						}
+					}
+				//if the power is after sin, cos or tan
+				
+				} else if (jsArray[depth].slice(jsArray[depth].length-3) == 'sin' || jsArray[depth].slice(jsArray[depth].length-3) == 'coa' || jsArray[depth].slice(jsArray[depth].length-3) == 'tan') {
+					trigPower = true;
+				//if the power is after a letter
+				} else if (/[A-Za-z]/g.test(jsArray[depth].charAt(jsArray[depth].length - 1)) == true) {
+					baseSplitPoint = jsArray[depth].length - 1;
+				//if the power is after a numerical digit
+				} else if (/[0-9]/g.test(jsArray[depth].charAt(jsArray[depth].length - 1)) == true) {
+					var decPoint = false;
+					for (jsChar = jsArray[depth].length - 2; jsChar >= 0; jsChar--) {
+						if (decPoint == false && jsArray[depth].charAt(jsChar) == '.') {
+							decPoint = true;
+						} else if (decPoint == true && jsArray[depth].charAt(jsChar) == '.') {
+							baseSplitPoint = jsChar + 1;
+							break;						
+						} else if (/[0-9]/g.test(jsArray[depth].charAt(jsChar)) == false) {
+							baseSplitPoint = jsChar + 1;
+							break;
+						}
+					}
+				} else {
+					return ''; // error
+				}
+			}
+			
+			/*if (trigPower == true) {
+				var power = elem[2];
+				if (typeof power == 'string') {
+					power = removeAllTagsFromString(power);
+					console.log(power);
+					if (power == '-1') {
+						jsArray[depth] = jsArray[depth].slice(0,-3) + 'Math.a' + jsArray[depth].slice(-3);
+					} else if (power == '2') {
+						
+					}
+				}
+				
+			}*/
+
+			var base = jsArray[depth].slice(baseSplitPoint);
+			jsArray[depth] = jsArray[depth].slice(0, baseSplitPoint);
+			depth++;
+			position.push(0);			
+			jsArray[depth] = '';
+			subJS(elem[2], false)
+			jsArray[depth] = replaceAll(jsArray[depth], ' ', '');
+			if (trigPower == true) {
+				console.log(jsArray,jsArray[depth-1],jsArray[depth]);
+				if (jsArray[depth] == '-1') {
+					jsArray[depth-1] = jsArray[depth-1].slice(0,-3) + 'Math.a' + jsArray[depth-1].slice(-3);
+				}
+			} else {
+				var subText = 'Math.pow(' + base + ',' + jsArray[depth] + ')';
+				var subText2 = base + '^' + jsArray[depth];
+			}
+			jsArray[depth] = '';
+			depth--;
+			position.pop();
+			jsArray[depth] += subText;
+			algArray[depth] += subText2;
+			return;
+		} else if (typeof elem == 'object') {
+			//console.log('array');
+			depth++;
+			position.push(0);			
+			jsArray[depth] = '';
+			for (var sub = 0; sub < elem.length; sub++) {
+				//console.log('depth:', depth);
+				//console.log('Before ' + sub + ' sub element(s):', jsArray);
+				subJS(elem[sub], addMultIfNecc);
+				//console.log('After ' + sub + ' sub element(s):', jsArray);				
+			}
+			jsArray[depth-1] += jsArray[depth];
+			algArray[depth-1] += algArray[depth];
+			jsArray[depth] = '';
+			depth--;
+			position.pop();
+			//console.log('endOfArray', jsArray);
+			return;
+		}
+	}
+	
+	function timesBeforeLetters(testText) {
+		// find instances of letters - if proceeded by a number, add *
+		for (q = 0; q < testText.length; q++) {
+			if (q > 0) {
+				if (/[a-zA-Z]/g.test(testText.charAt(q)) == true && /[a-zA-Z0-9)]/.test(testText.charAt(q - 1)) == true) {
+					testText = testText.slice(0, q) + '*' + testText.slice(q);
+				}
+				// if an open bracket is proceeded by a letter, number or ), add *
+				if (/[\[(]/g.test(testText.charAt(q)) == true && testText.length > q && /[A-Za-z0-9)]/g.test(testText.charAt(q - 1)) == true) {
+					testText = testText.slice(0, q) + '*' + testText.slice(q);
+				}
+			}
+			for (var i = 0; i < exceptions.length; i++) {
+				if (testText.slice(q).indexOf(exceptions[i]) == 0) {
+					q += exceptions[i].length;
+				}
+			}
+		}
+		return testText;
+	}
+	var jsValue;
+	try {
+		jsValue = eval(js);
+	} catch (err) {}
+	return js;
+}
+function splitText(text) {
+	// find split points in text string
+	var splitPointCount = 0;
+	var textSplitPoints = [];
+	var delimiter = '%&^';
+	for (i = 0; i <= text.length; i++) {
+		var fracStartPos = text.substring(i, text.length).indexOf('frac(');
+		var rootStartPos = text.substring(i, text.length).indexOf('root(');
+		var powerStartPos = text.substring(i, text.length).indexOf('power(');
+		if (fracStartPos !== -1) {fracStartPos += i};
+		if (rootStartPos !== -1) {rootStartPos += i};
+		if (powerStartPos !== -1) {powerStartPos += i};
+		if (fracStartPos > -1 || rootStartPos > -1 || powerStartPos > -1) {
+			textSplitPoints[splitPointCount] = [];
+			if (fracStartPos == -1) {fracStartPos = 10000};
+			if (rootStartPos == -1) {rootStartPos = 10000};
+			if (powerStartPos == -1) {powerStartPos = 10000};
+			textSplitPoints[splitPointCount][0] = Math.min(fracStartPos, rootStartPos, powerStartPos);
+			var openBracketCount = 0;
+			var closeBracketCount = 0;
+			for (j = textSplitPoints[splitPointCount][0]; j <= text.length; j++) {
+				if (!textSplitPoints[splitPointCount][1]) {
+					if (text.charAt(j) == '(') {openBracketCount++};
+					if (text.charAt(j) == ')') {closeBracketCount++};
+					if (openBracketCount > 0 && (openBracketCount == closeBracketCount)) {
+						textSplitPoints[splitPointCount][1] = j;
+						i = j;
+					}
+				}
+			}
+			splitPointCount++;
+		}
+	}
+	
+	if (textSplitPoints.length == 0) {return text}
+	
+	for (i = 0; i < textSplitPoints.length; i++) {
+		text = text.substring(0, textSplitPoints[i][0] + i * 2 * delimiter.length) + delimiter + text.substring(textSplitPoints[i][0] + i * 2 * delimiter.length, textSplitPoints[i][1] + 1 + i * 2 * delimiter.length) + delimiter + text.substring(textSplitPoints[i][1] + 1 + i * 2 * delimiter.length, text.length);
+	}
+	var splitArray = text.split(delimiter);
+	var returnArray = [];
+	for (i = 0; i < splitArray.length; i++) {
+		var type = 0;
+		if (splitArray[i].indexOf('frac(') == 0) {type = 'frac'};
+		if (splitArray[i].indexOf('root(') == 0) {type = 'root'};
+		if (splitArray[i].indexOf('power(') == 0) {type = 'power'};
+		if (type == 0) {
+			if (splitArray[i] !== '') {returnArray.push(splitArray[i])}
+		} else {
+			var subArray = [];
+			subArray[0] = type;
+			
+			var params = splitArray[i].substring(type.length + 1, splitArray[i].length - 1);
+			var openBracketCount = 0;
+			var closeBracketCount = 0;
+			var splitPoint = -1;
+			
+			// find split point of params
+			for (j = 0; j <= params.length; j++) {
+				if (params.charAt(j) == '(') {openBracketCount++};
+				if (params.charAt(j) == ')') {closeBracketCount++};
+				if (params.charAt(j) == ',' && (openBracketCount == closeBracketCount) && splitPoint == -1) {
+					splitPoint = j;
+				}
+			}			
+			subArray[1] = params.substring(0, splitPoint);
+			subArray[2] = params.substring(splitPoint + 1, params.length).trim();
+			returnArray.push(subArray)
+		}
+	}
+	return returnArray;
+}
+
+/*! correcting-interval 2.0.0 | Copyright 2014 Andrew Duthie | MIT License */
+/* jshint evil: true */
+/* usage example:
+var startTime = Date.now();
+setCorrectingInterval(function() {
+  console.log((Date.now() - startTime) + 'ms elapsed');
+}, 1000);
+*/
+;(function(global, factory) {
+  // Use UMD pattern to expose exported functions
+  if (typeof exports === 'object') {
+    // Expose to Node.js
+    module.exports = factory();
+  } else if (typeof define === 'function' && define.amd) {
+    // Expose to RequireJS
+    define([], factory);
+  }
+
+  // Expose to global object (likely browser window)
+  var exports = factory();
+  for (var prop in exports) {
+    global[prop] = exports[prop];
+  }
+}(this, function() {
+  // Track running intervals
+  var numIntervals = 0,
+    intervals = {};
+
+  // Polyfill Date.now
+  var now = Date.now || function() {
+    return new Date().valueOf();
+  };
+
+  var setCorrectingInterval = function(func, delay) {
+    var id = numIntervals++,
+      planned = now() + delay;
+
+    // Normalize func as function
+    switch (typeof func) {
+      case 'function':
+        break;
+      case 'string':
+        var sFunc = func;
+        func = function() {
+          eval(sFunc);
+        };
+        break;
+      default:
+        func = function() { };
+    }
+
+    function tick() {
+      func();
+
+      // Only re-register if clearCorrectingInterval was not called during function
+      if (intervals[id]) {
+        planned += delay;
+        intervals[id] = setTimeout(tick, planned - now());
+      }
+    }
+
+    intervals[id] = setTimeout(tick, delay);
+    return id;
+  };
+
+  var clearCorrectingInterval = function(id) {
+    clearTimeout(intervals[id]);
+    delete intervals[id];
+  };
+
+  return {
+    setCorrectingInterval: setCorrectingInterval,
+    clearCorrectingInterval: clearCorrectingInterval
+  };
+}));
+function logText(clearConsole) {
+	var input = currMathsInput;
+	if (clearConsole == true) console.clear();
+	console.log('richText:',input.richText);
+	console.log('cursorMap:');
+	for (var i = 0; i < input.cursorMap.length; i++) {
+		var char = input.richText;
+		for (var j = 0; j < input.cursorMap[i].length - 1; j++) {char = char[input.cursorMap[i][j]];};
+		// check for breakPoints
+		var slicePos = input.cursorMap[i][input.cursorMap[i].length-1];
+		if (typeof currMathsInput.breakPoints == 'object') {						
+			var map = currMathsInput.cursorMap[i];						
+			for (var k = 0; k < currMathsInput.breakPoints.length - 1; k++) {
+				var iBreak = currMathsInput.allMap[currMathsInput.breakPoints[k]];
+				if (iBreak[0] == map[0] && iBreak[1] < map[1]) {
+					slicePos--;
+				}
+			}
+		}
+		var char1 = char.slice(slicePos-5,slicePos);
+		var char2 = char.slice(slicePos,slicePos+5);
+		if (i == input.cursorPos) {
+			console.log('>'+i+':',input.cursorMap[i],char1,char2,'<<< cursorPos');			
+		} else {
+			console.log('>'+i+':',input.cursorMap[i],char1,char2);
+		}
+	}
+}
+function drawTextLocs() {
+	for (var loc = 0; loc < currMathsInput.cursorMap.length; loc++) {
+		var cursorPos = currMathsInput.cursorMap[loc];
+		var evalString = 'currMathsInput.textLoc'
+		for (aa = 0; aa < cursorPos.length; aa++) {
+			evalString += '[' + cursorPos[aa] + ']';
+		}
+		var pos = eval(evalString);
+		console.log(loc, pos.left);
+		currMathsInput.ctx.strokeStyle = '#00F';
+		currMathsInput.ctx.lineWidth = 2;
+		currMathsInput.ctx.beginPath();
+		currMathsInput.ctx.moveTo(pos.left,pos.top);
+		currMathsInput.ctx.lineTo(pos.left,pos.top+pos.height);
+		currMathsInput.ctx.closePath();
+		currMathsInput.ctx.stroke();
+	}
+}
+function isMouseOverText(mathsInput) {
+	if (typeof mathsInput == 'undefined') mathsInput = currMathsInput;
+	var locs = [];
+	for (var i = 0; i < mathsInput.cursorMap.length; i++) {
+		var textLoc = mathsInput.textLoc;
+		for (var j = 0; j < mathsInput.cursorMap[i].length; j++) {textLoc = textLoc[mathsInput.cursorMap[i][j]];};
+		locs.push(textLoc);
+	}
+	var left = mathsInput.data[100];
+	var top = mathsInput.data[101];
+	for (var i = 0; i < locs.length; i++) {
+		if (mouse.x >= left + locs[i].left && mouse.x <= left + locs[i].left + locs[i].width && mouse.y >= top + locs[i].top && mouse.y <= top + locs[i].top + locs[i].height) {
+			return true;	
+		}
+	}
+	return false;
+}
+
+
+function splitMarkup(element) {
+	// seperates markup tags from other text
+	var splitAt = [0];
+	for (var c = 0; c < element.length; c++) {
+		if (element.slice(c).indexOf('<<') == 0 && element.slice(c).indexOf('<<<') !== 0) {
+			for (var d = c; d < element.length; d++) {
+				if (element.slice(d).indexOf('>>') == 0) {
+					splitAt.push(c,d+2);
+					break;
+				}
+			}
+		} else if (element.slice(c).indexOf(br) == 0) {
+			splitAt.push(c,c+1);
+		}
+	}
+	splitAt.push(element.length);
+	var returnArray = [];
+	for (var c = 0; c < splitAt.length-1; c++) {
+		returnArray.push(element.slice(splitAt[c],splitAt[c+1]))
+	}
+	return returnArray;
+}
+function reduceTags(textArray) {
+	var bold = {value:null,char:true};
+	var italic = {value:null,char:true};
+	var fontSize = {value:null,char:true};	
+	var font = {value:null,char:true};
+	var color = {value:null,char:true};
+	var backColor = {value:null,char:true};
+	var align = {set:false};
+	var selected = {value:null};
+	
+	function arrayHandler(arr) {
+		for (var l = arr.length - 1; l >= 0; l--) {
+			if (typeof arr[l] == 'string') {
+				arr[l] = stringHandler(arr[l]);
+			} else if (typeof arr[l] == 'object') {	
+				arr[l] = arrayHandler(arr[l]);
+			}
+		}
+		return arr;
+	}
+	
+	function stringHandler(string) {
+		// first split string into tag and non-tag elements
+		var splitString = splitMarkup(string);
+		
+		// work backwards through the string looking for tags
+		for (var j = splitString.length - 1; j >= 0; j--) {
+			if (splitString[j].indexOf('<<') == 0) {
+				for (var k = splitString[j].length; k >= 0; k--) {
+					var slice = splitString[j].slice(k);
+					if (slice.indexOf('<<bold:') == 0) {
+						if (bold.char == false) {
+							// no characters between tags - remove
+							splitString[j] = splitString[j].slice(0,k)+splitString[j].slice(k+slice.indexOf('>>')+2);
+						} else {
+							var value = splitString[j].slice(k+7,k+splitString[j].slice(k).indexOf('>>')).toLowerCase();
+							if (value == bold.value) {
+								// repeated tag - !!
+							} else {
+								// new tag
+								bold.value = value;
+								bold.char = false;
+							}
+						}
+					} else if (slice.indexOf('<<italic:') == 0) {
+						if (italic.char == false) {
+							// no characters between tags - remove
+							splitString[j] = splitString[j].slice(0,k)+splitString[j].slice(k+slice.indexOf('>>')+2);
+						} else {
+							var value = splitString[j].slice(k+9,k+splitString[j].slice(k).indexOf('>>')).toLowerCase();
+							if (value == italic.value) {
+								// repeated tag
+							} else {
+								// new tag
+								italic.value = value;
+								italic.char = false;
+							}
+						}
+					} else if (slice.indexOf('<<fontSize:') == 0) {
+						if (fontSize.char == false) {
+							// no characters between tags - remove
+							splitString[j] = splitString[j].slice(0,k)+splitString[j].slice(k+slice.indexOf('>>')+2);
+						} else {
+							var value = splitString[j].slice(k+11,k+splitString[j].slice(k).indexOf('>>')).toLowerCase();
+							if (value == fontSize.value) {
+								// repeated tag
+							} else {
+								// new tag
+								fontSize.value = value;
+								fontSize.char = false;
+							}
+						}
+					} else if (slice.indexOf('<<font:') == 0) {
+						if (font.char == false) {
+							// no characters between tags - remove
+							splitString[j] = splitString[j].slice(0,k)+splitString[j].slice(k+slice.indexOf('>>')+2);
+						} else {
+							var value = splitString[j].slice(k+7,k+splitString[j].slice(k).indexOf('>>')).toLowerCase();
+							if (value == font.value) {
+								// repeated tag
+							} else {
+								// new tag
+								font.value = value;
+								font.char = false;
+							}
+						}						
+					} else if (slice.indexOf('<<color:') == 0) {
+						if (color.char == false) {
+							// no characters between tags - remove
+							splitString[j] = splitString[j].slice(0,k)+splitString[j].slice(k+slice.indexOf('>>')+2);
+						} else {
+							var value = splitString[j].slice(k+8,k+splitString[j].slice(k).indexOf('>>')).toLowerCase();
+							if (value == color.value) {
+								// repeated tag
+							} else {
+								// new tag
+								color.value = value;
+								color.char = false;
+							}
+						}						
+					} else if (slice.indexOf('<<backColor:') == 0) {
+						if (backColor.char == false) {
+							// no characters between tags - remove
+							splitString[j] = splitString[j].slice(0,k)+splitString[j].slice(k+slice.indexOf('>>')+2);
+						} else {
+							var value = splitString[j].slice(k+12,k+splitString[j].slice(k).indexOf('>>')).toLowerCase();
+							if (value == backColor.value) {
+								// repeated tag
+							} else {
+								// new tag
+								backColor.value = value;
+								backColor.char = false;
+							}
+						}						
+					} else if (slice.indexOf('<<br>>') == 0 || slice.indexOf(br) == 0) {
+						align.set = false;
+					} else if (slice.indexOf('<<align:') == 0) {
+						if (align.set == false) {
+							align.set = true;
+						} else {
+							// remove tag
+							splitString[j] = splitString[j].slice(0,k)+splitString[j].slice(k+slice.indexOf('>>')+2);
+						}
+					} else if (slice.indexOf('<<selected:') == 0) {
+						var value = splitString[j].slice(k+11,k+splitString[j].slice(k).indexOf('>>')).toLowerCase();
+						//console.log('selected tag',j,k,value,JSON.stringify(splitString[j]));
+						if (value == selected.value) {
+							// repeated tag
+						} else {
+							// new tag
+							selected.value = value;
+						}
+					}					
+					
+				}
+			} else {
+				if (splitString[j].length > 0) {
+					bold.char = true;
+					italic.char = true;
+					fontSize.char = true;
+					font.char = true;
+					color.char = true;
+					backColor.char = true;
+				}
+			}
+		}
+		string = '';
+		for (var j = 0; j < splitString.length; j++) string += splitString[j];
+		return string;
+	}
+
+	if (typeof textArray == 'object') textArray = arrayHandler(textArray);
+	//var arrayString = '';
+	//console.log('reduceTags()1',JSON.stringify(textArray));
+	textArray = combineSpaces2(textArray);
+	
+	// find any adjacent text blocks and combine them
+	function combineSpaces2(textArray) {
+		if (textArray.length > 1) {
+			for (var gg = textArray.length - 1; gg >= 0; gg--) {
+				if (typeof textArray[gg] == 'object') {
+					//arrayString += '[' + gg + ']';
+					combineSpaces2(textArray[gg]);
+				} else {
+					if (gg < textArray.length - 1 && typeof textArray[gg] == 'string' && typeof textArray[gg+1] == 'string') {
+						eval('textArray[' + gg + '] += textArray[' + (gg+1) + ']');
+						eval('textArray.splice(gg+1, 1);');
+					}
+				}
+			}
+		}
+		//arrayString = arrayString.slice(0, arrayString.lastIndexOf('[') - arrayString.length);
+		return textArray;
+	}	
+
+	//console.log('reduceTags()2',JSON.stringify(textArray));
+	
+	return textArray;
+}
\ No newline at end of file
diff --git a/tools/i2/_miscFuncs.js b/tools/i2/_miscFuncs.js
new file mode 100644
index 0000000..5b49571
--- /dev/null
+++ b/tools/i2/_miscFuncs.js
@@ -0,0 +1,12393 @@
+//Javascript document
+
+var alg = {
+	toObj: function(txt) {
+		txt = simplifyText(clone(txt));
+		txt = removeTags(txt);
+		var exp = [];
+		
+		//console.log('---');
+		//console.log('txt',txt);
+		var terms = splitTerms(txt);
+		
+		//console.log('terms',clone(terms));
+		
+		for (var t = 0; t < terms.length; t++) processTerm(terms[t]);
+		
+		//console.log('toObj:',JSON.stringify(exp));
+		
+		return exp;
+		
+		function splitTerms(txt) {
+			var terms = [[]];
+			var bracketCount = 0;
+			for (var i = 0; i < txt.length; i++) {
+				var txt1 = txt[i];
+				if (typeof txt1 === 'string') {
+					for (var c = 0; c < txt1.length; c++) {
+						if (txt1.charAt(c) === '(') {
+							bracketCount++;
+						} else if (txt1.charAt(c) === ')') {
+							bracketCount--;
+						} else if (bracketCount === 0 && (txt1.charAt(c) === '+' || txt1.charAt(c) === '-')) {
+							if (c > 0) {
+								terms.last().push(txt1.slice(0,c));
+								txt1 = txt1.slice(c);
+								c = 0;
+							}
+							if (terms.last().length > 0) {
+								terms.push([]);
+							}
+						}
+					}
+					terms.last().push(txt1);
+				} else {
+					terms.last().push(txt1);
+				}
+			}
+			return terms;
+		}
+		function getAlgFrac(term) {
+			//console.log('term:',clone(term));
+
+			var sign = 1;
+			if (term[0] === '-') {
+				sign = -1;
+				term.shift();
+			} else if (term[0] === '+') {
+				term.shift();
+			}
+			var num = alg.toObj(term[0][1]);
+			var denom = alg.toObj(term[0][2]);
+			
+			var coeff = [1,1];
+			if (num.length === 1) {
+				coeff[0] *= num[0].coeff[0];
+				coeff[1] *= num[0].coeff[1];
+				num[0].coeff = [1,1];
+			} else {
+				num = [{sign:1,coeff:[1,1],subterms:[[num,1]]}];
+			}
+			if (denom.length === 1) {
+				coeff[0] *= denom[0].coeff[1];
+				coeff[1] *= denom[0].coeff[0];
+				denom[0].coeff = [1,1];
+				for (var s = 0; s < denom[0].subterms.length; s++) {
+					denom[0].subterms[s][1]  *= -1;
+				}
+			} else {
+				denom = [{sign:1,coeff:[1,1],subterms:[[denom,-1]]}];
+			}
+			
+			var numSubterms = num[0].subterms;
+			var denomSubterms = denom[0].subterms;
+			var subterms = numSubterms.concat(denomSubterms);
+			//subterms = alg.simplifySubterms(subterms);
+			subterms = alg.orderSubterms(subterms);
+			
+			var obj = {
+				sign:sign,
+				coeff:coeff,
+				subterms:subterms
+			};
+
+			term.shift();
+			return obj;
+		}
+		function processTerm(term) {
+			if (term.length === 0) return;
+			//console.log('term',clone(term));
+			
+			var obj = {};
+			exp.push(obj);
+			while (term[0] === '') term.shift();
+			
+			var coeff = 1;
+			if ((term[0] === '-' || term[0] === '+') && typeof term[1] === 'object' && term[1][0] === 'frac') {
+				if (term[1][1].length === 1 && !isNaN(Number(term[1][1][0])) && term[1][2].length === 1 && !isNaN(Number(term[1][2][0]))) {
+					obj.sign = term[0] === '-' ? -1: 1;
+					obj.coeff = [Number(term[1][1][0]),Number(term[1][2][0])];
+					term.shift();
+					term.shift();
+				} else {
+					exp[exp.length-1] = getAlgFrac(term);
+				}
+			} else if (typeof term[0] === 'string') {
+				var sign = 1;
+				if (term[0][0] === '-') {
+					sign = -1;
+					term[0] = term[0].slice(1);
+				} else if (term[0][0] === '+') {
+					term[0] = term[0].slice(1);
+				}
+				var charCount = 0;
+				for (var c = 1; c < term[0].length+1; c++) {
+					if (isNaN(Number(term[0].slice(0,c)))) {
+						term[0] = term[0].slice(charCount);
+						break;
+					} else {
+						coeff = Number(term[0].slice(0,c));
+						charCount++;
+						if (c === term[0].length) {
+							term[0] = term[0].slice(charCount);
+							break;
+						}
+					}
+				}
+				obj.sign = sign;
+				obj.coeff = [coeff,1];
+			} else if (typeof term[0] === 'object' && term[0][0] === 'frac') {
+				if (term[0][1].length === 1 && !isNaN(Number(term[0][1][0])) && term[0][2].length === 1 && !isNaN(Number(term[0][2][0]))) {
+					obj.sign = 1;
+					obj.coeff = [Number(term[0][1][0]),Number(term[0][2][0])];
+					term.shift();
+				} else {
+					exp[exp.length-1] = getAlgFrac(term);
+				}
+			}
+			while (term[0] === '') term.shift();
+			
+			if (term.length === 0) {
+				obj.subterms = [];
+				return;
+			}
+			var subterms = [];
+			var count = 0;
+			while (!un(term[0]) && typeof term[0] === 'string' && count < 100) {
+				count++;
+				var subterms2 = [];
+				if (typeof term[0] === 'string') {
+					if (term[0][0] === '(') {
+						term[0] = term[0].slice(1);
+						if (term[0] === '') term.shift();
+						var term2 = [];
+						var bracketCount = 1;
+						var count = 0;
+						while (bracketCount > 0 && count < 100) {
+							count++;
+							if (typeof term[0] === 'string') {
+								var str = term[0];
+								for (var c = 0; c < str.length; c++) {
+									var char = str[c];
+									if (char === '(') {
+										bracketCount++;
+									} else if (char === ')') {
+										bracketCount--;
+										if (bracketCount === 0) {
+											if (c > 0) term2.push(str.slice(0,c));
+											term[0] = str.slice(c+1);
+											break;
+										}
+									}
+								}
+								if (bracketCount !== 0) {
+									term2.push(term[0]);
+									term.shift();
+								}
+							} else if (typeof term[0] === 'object') {
+								term2.push(term[0]);
+								term.shift();
+							}
+						}
+						subterms2 = [alg.toObj(term2),1];
+						if (term[0] === '') term.shift();
+						if (typeof term[0] === 'object' && term[0][0] === 'pow') {
+							if (!isNaN(Number(term[0][2]))) subterms2[1] = Number(term[0][2]);
+							term.shift();
+						}
+					} else {
+						subterms2 = [term[0][0],1];
+						term[0] = term[0].slice(1);
+						if (term[0] === '') term.shift();
+						if (typeof term[0] === 'object' && term[0][0] === 'pow') {
+							if (!isNaN(Number(term[0][2]))) subterms2[1] = Number(term[0][2]);
+							term.shift();
+						}
+					}
+				}
+				if (term[0] === '') term.shift();
+				subterms.push(subterms2);
+			}
+			obj.subterms = subterms;
+		}
+
+	},
+	toText: function(exp,type) {
+		if (un(type)) type = 'default'; // default is fracTerms
+		var txt = [''];
+		if (exp instanceof Array === false && typeof exp === 'object') exp = [exp];
+		if (exp.length === 0) return ["0"];
+		for (var e = 0; e < exp.length; e++) {
+			var term = exp[e];
+			//console.log('term',term);
+			var isFirstTerm = e === 0 ? true : false;
+			var isOnlyTerm = exp.length === 1 ? true : false;
+			if (type === 'inline') {
+				txt = txt.concat(termToTextInline(term,isFirstTerm,isOnlyTerm));
+			} else {
+				txt = txt.concat(termToTextFracTerms(term,isFirstTerm,isOnlyTerm))
+			}
+		}
+		txt = simplifyText(txt);
+		return txt;
+		
+		function termToTextInline(term,isFirstTerm,isOnlyTerm) {
+			var txt = [];
+			var sign = term.sign === -1 ? '-' : '+';
+			var coeff = term.coeff;
+			if (coeff[1] === 1) coeff = coeff[0];
+			var subterms = term.subterms;
+			if (coeff === 1 && subterms.length > 0) coeff = '';
+			if (isFirstTerm === false || sign === '-') txt.push(sign);
+			if (coeff instanceof Array) {
+				txt.push(['frac',[String(Math.abs(coeff[0]))],[String(Math.abs(coeff[1]))]]);
+			} else {
+				txt.push(String(coeff));
+			}
+			var subtermsText = [];
+			for (var s = 0; s < subterms.length; s++) {
+				var sub = subterms[s];
+				if (typeof sub[0] === 'string') {
+					subtermsText.push(sub[0]);
+				} else if (typeof sub[0] === 'object') {
+					var brackets = sub.length > 1 ? true : false;
+					if (brackets = true) subtermsText.push('(');
+				 	subtermsText = subtermsText.concat(alg.toText(sub[0]));
+					if (brackets = true) subtermsText.push(')');
+				}
+				if (!un(sub[1]) && sub[1] !== 1) subtermsText.push(['pow',false,String(sub[1])]);
+			}
+			txt = txt.concat(subtermsText);
+			
+			return txt;
+		}
+		function termToTextFracTerms(term,isFirstTerm,isOnlyTerm) {
+			var num = [];
+			var denom = [];
+			
+			var subterms = term.subterms;			
+			for (var s = 0; s < subterms.length; s++) {
+				var sub = subterms[s];
+				var type = alg.getSubtermType(sub);
+				if (type === 'single') {
+					if (sub[1] > 0) {
+						num.push(sub[0]);
+						if (sub[1] > 1) num.push(['pow',false,String(sub[1])]);
+					} else {
+						denom.push(sub[0]);
+						if (sub[1] < -1) denom.push(['pow',false,String(Math.abs(sub[1]))]);
+					}
+				} else if (type === 'compound') {
+					if (sub[1] > 0) {
+						var brackets = subtermRequiresBrackets(sub);
+						if (brackets === true) num.push('(');
+						num = num.concat(alg.toText(sub[0]));
+						if (brackets === true) num.push(')');
+						if (sub[1] > 1) num.push(['pow',false,String(sub[1])]);
+					} else {
+						var brackets = subtermRequiresBrackets(sub);
+						if (brackets === true) denom.push('(');
+						denom = denom.concat(alg.toText(sub[0]));
+						if (brackets === true) denom.push(')');
+						if (sub[1] < -1) denom.push(['pow',false,String(Math.abs(sub[1]))]);
+					}	
+				}
+			}
+			
+			function subtermRequiresBrackets(subterm) {
+				if (subterm[1] > 1 || subterm[1] < -1) return true;
+				if (subterm[0].length > 1) return true;
+				var exp = subterm[0][0].subterms;
+				if (exp.length > 1 || un(exp[0])) return true;
+				if (Math.abs(exp[0][1]) > 1) return false;
+				if (arraysEqual(exp[0][0].coeff,[1,1]) === true) return false;
+				return false;
+			}
+			
+			var coeff = term.coeff;
+			if (coeff[0] !== 1 || num.length === 0) num.unshift(String(coeff[0])); 
+			if (coeff[1] !== 1 || denom.length === 0) denom.unshift(String(coeff[1])); 
+
+			var sign = term.sign === -1 ? '-' : '+';
+			if (isFirstTerm === true && sign === '+') sign = '';
+			
+			num = simplifyText(num);
+			denom = simplifyText(denom);
+			
+			var isFraction = (arraysEqual(denom,['1']) || denom.length === 0) ? false : true;
+			
+			if (isFraction) {
+				if (typeof num[0] === 'string' && num[0][0] === '(' && typeof num[num.length-1] === 'string' && num[num.length-1].slice(-1) === ')') {
+					var bracketCount = 1;
+					var bracketClosed = false;
+					for (var i = 0; i < num.length; i++) {
+						if (typeof num[i] !== 'string') continue;
+						for (var j = 0; j < num[i].length; j++) {
+							if (i == 0 && j == 0) continue;
+							if (i == num.length-1 && j == num[i].length-1) continue;
+							if (num[i][j] === '(') bracketCount++;
+							if (num[i][j] === ')') bracketCount--;
+							if (bracketCount === 0) {
+								bracketClosed = true;
+								j = num[i].length;
+								i = num.length;
+							}
+						}
+					}
+					if (bracketClosed === false) {
+						num[0] = num[0].slice(1);
+						num[num.length-1] = num[num.length-1].slice(0,-1);
+						num = simplifyText(num);
+					}
+				}
+				
+				if (typeof denom[0] === 'string' && denom[0][0] === '(' && typeof denom[denom.length-1] === 'string' && denom[denom.length-1].slice(-1) === ')') {
+					var bracketCount = 1;
+					var bracketClosed = false;
+					for (var i = 0; i < denom.length; i++) {
+						if (typeof denom[i] !== 'string') continue;
+						for (var j = 0; j < denom[i].length; j++) {
+							if (i == 0 && j == 0) continue;
+							if (i == denom.length-1 && j == denom[i].length-1) continue;
+							if (denom[i][j] === '(') bracketCount++;
+							if (denom[i][j] === ')') bracketCount--;
+							if (bracketCount === 0) {
+								bracketClosed = true;
+								j = denom[i].length;
+								i = denom.length;
+							}
+						}
+					}
+					if (bracketClosed === false) {
+						denom[0] = denom[0].slice(1);
+						denom[denom.length-1] = denom[denom.length-1].slice(0,-1);
+						denom = simplifyText(denom);
+					}
+				}
+				var txt = [sign,['frac',num,denom,1]];
+			} else {
+				var txt = [sign].concat(num);
+			}
+			
+			return txt;
+		}
+	},
+
+	add: function(exp1,exp2) {
+		var exp3 = clone(exp1);
+		exp3 = exp3.concat(clone(exp2));
+		//exp3 = alg.collect(exp3);
+		return exp3;
+	},
+	subtract: function(exp1,exp2) {
+		var exp2 = clone(exp2);
+		var exp2 = alg.multiply(exp2,[{sign:-1,coeff:[1,1],subterms:[]}]);
+		var exp3 = alg.add(exp1,exp2);
+		return exp3;
+	},
+	multiply: function(exp1,exp2,simplify) {
+		exp1 = clone(exp1);
+		exp2 = clone(exp2);
+		if (exp1.length > 1) exp1 = [{sign:1,coeff:[1,1],subterms:[[exp1,1]]}];
+		if (exp2.length > 1) exp2 = [{sign:1,coeff:[1,1],subterms:[[exp2,1]]}];
+		var term1 = clone(exp1[0]);
+		var subterms1 = term1.subterms;
+		var coeff1 = term1.coeff;
+		var term2 = clone(exp2[0]);
+		var subterms2 = term2.subterms;
+		var coeff2 = term2.coeff;
+		var sign3 = term1.sign*term2.sign;
+		var coeff3 = [coeff1[0]*coeff2[0],coeff1[1]*coeff2[1]];				
+		var subterms3 = subterms1.concat(subterms2);
+		if (boolean(simplify,true) === true) {
+			coeff3 = simplifyFrac2(coeff3);
+			subterms3 = alg.orderSubterms(subterms3);
+			subterms3 = alg.simplifySubterms(subterms3);
+		}
+		return [{sign:sign3,coeff:coeff3,subterms:subterms3}];		
+	},
+	divide: function(exp1,exp2,simplify) {
+		var exp2 = alg.getExpressionReciprocal(exp2);
+		var exp3 = alg.multiply(exp1,exp2,simplify);
+		return exp3;
+	},
+
+	collect: function(exp) {
+		exp = clone(exp);
+		for (var e2 = exp.length-1; e2 >= 0; e2--) {
+			var term2 = exp[e2];
+			var subterms2 = term2.subterms;
+			for (var e1 = e2-1; e1 >= 0; e1--) {
+				var term1 = exp[e1];
+				var subterms1 = term1.subterms;
+				if (alg.likeTerms(term1,term2)) {
+					term1.coeff[0] *= term1.sign;
+					term2.coeff[0] *= term2.sign;
+					var coeff = addFracs2(term1.coeff,term2.coeff);
+					term1.sign = coeff[0]/coeff[1] < 0 ? -1 : 1;
+					term1.coeff = simplifyFrac2([Math.abs(coeff[0]),Math.abs(coeff[1])]);
+					exp.splice(e2,1);
+					break;
+				}
+			}
+		}
+		for (var e = 0; e < exp.length; e++) {
+			if (exp[e].coeff[0] === 0) {
+				exp.splice(e,1);
+				e--;
+			}
+		}
+		return exp;
+	},
+	collectable: function(exp) {
+		var exp2 = clone(exp);
+		var exp3 = alg.collect(exp2);
+		return !isEqual(exp2,exp3);
+	},
+	expand: function(exp) {
+		//console.log('exp',JSON.stringify(exp));
+		var exp3 = clone(exp);
+		var exp2 = clone(exp);
+		
+		var count = 0;
+		do {
+			count++;
+			var exp2 = clone(exp3);
+			var exp3 = expandExp(exp3);
+		} while (!isEqual(exp2,exp3) && count < 10);
+		//console.log('exp3',JSON.stringify(exp3));
+		return exp3;
+		
+		function expandExp(exp) {
+			var exp2 = clone(exp);
+			var exp3 = [];	
+			for (var e = 0; e < exp2.length; e++) {
+				var term = exp2[e];
+				
+				//console.log('term',JSON.stringify(term));
+				
+				var num = alg.getTermNumerator(term);
+				var denom = alg.getTermDenominator(term);
+				
+				//console.log('num:',clone(num));
+				//console.log('denom:',clone(denom));
+				
+				var num2 = expandTerm(num);
+				var denom2 = expandTerm(denom);
+				
+				//console.log('num2:',clone(num2));
+				//console.log('denom2:',clone(denom2));
+				
+				var term2 = alg.divide(num2,denom2);
+				//console.log('term2',JSON.stringify(term2));
+				
+				exp3 = exp3.concat(term2);
+			}
+			var exp4 = [];
+			for (var e = 0; e < exp3.length; e++) {
+				var term = exp3[e];
+				if (term.sign === 1 && arraysEqual(term.coeff,[1,1]) && !un(term.subterms) && term.subterms.length === 1 && !un(term.subterms[0]) && alg.getSubtermType(term.subterms[0]) === 'compound' && term.subterms[0][1] === 1) {
+					exp4 = exp4.concat(term.subterms[0][0]);
+				} else {
+					exp4.push(term);
+				}
+			}
+			//console.log('exp4',JSON.stringify(exp4));
+			return exp4;
+		}
+		function expandTerm(term) {
+			var term = clone(term);
+			
+			// apply powers to compound subterms
+			for (var s = 0; s < term.subterms.length; s++) {
+				var subterm = term.subterms[s];
+				if (alg.getSubtermType(subterm) !== 'compound') continue;
+				if (subterm[1] > 1) {
+					var index = subterm[1];
+					var subterm2 = clone(subterm[0]);
+					for (var i = 1; i < index; i++) {
+						subterm2 = alg.multiplyExpressions(subterm2,subterm[0]);
+					}
+					term.subterms[s] = [subterm2,1];
+				} else if (subterm[1] < 1) {
+					var index = -1*subterm[1];
+					var subterm2 = clone(subterm[0]);
+					for (var i = 1; i < index; i++) {
+						subterm2 = alg.multiplyExpressions(subterm2,subterm[0]);
+					}
+					term.subterms[s] = [subterm2,-1];
+				}
+			}
+			
+			// mutiply subterms together
+			var count = 0;
+			while (term.subterms.length > 1 && count < 100) {
+				count++;
+				var subterm1 = term.subterms[0];
+				var type1 = alg.getSubtermType(subterm1);
+				if (type1 === 'single') {
+					for (var i = 1; i < term.subterms.length; i++) {
+						var subterm2 = term.subterms[i];
+						var type2 = alg.getSubtermType(subterm2);
+						if (type2 === 'compound') {
+							for (var s = 0; s < subterm2[0].length; s++) {
+								var subterm3 = subterm2[0][s].subterms;
+								subterm3.push(clone(subterm1));
+								subterm2[0][s].subterms = alg.simplifySubterms(subterm3);
+							}
+							term.subterms.shift();
+							break;
+						}
+					}
+				} else if (type1 === 'compound') {
+					var subterm2 = term.subterms[1];
+					var type2 = alg.getSubtermType(subterm2);
+					if (type2 === 'single') {
+						for (var s = 0; s < subterm1[0].length; s++) {
+							var subterm3 = subterm1[0][s].subterms;
+							subterm3.push(clone(subterm2));
+							subterm1[0][s].subterms = alg.simplifySubterms(subterm3);
+						}
+						term.subterms.splice(1,1);
+					} else if (type2 === 'compound') {
+						term.subterms[1] = [alg.multiplyExpressions(subterm1[0],subterm2[0]),1];
+						term.subterms.shift();
+					}
+				}				
+			}
+			
+			var exp = [];
+			//console.log(JSON.stringify(term));
+			if (!un(term.subterms[0])) {
+				if (alg.getSubtermType(term.subterms[0]) === 'compound') {
+					var terms2 = term.subterms[0][0];
+					for (var s = 0; s < terms2.length; s++) {
+						var term2 = terms2[s];
+						exp.push({
+							sign:term.sign*term2.sign,
+							coeff:simplifyFrac2([term.coeff[0]*term2.coeff[0],term.coeff[1]*term2.coeff[1]]),
+							subterms:term2.subterms
+						});
+					}
+				} else {
+					exp.push({
+						sign:term.sign,
+						coeff:simplifyFrac2([term.coeff[0],term.coeff[1]]),
+						subterms:term.subterms
+					});
+				}
+			}
+			if (exp.length === 0) exp.push({sign:term.sign,coeff:clone(term.coeff),subterms:[]});
+			return exp;			
+		}
+	},
+	expandable: function(exp) {
+		var exp2 = clone(exp);
+		var exp3 = alg.expand(exp2);
+		return !isEqual(exp2,exp3);
+	},
+	factorise: function(exp) {
+		var exp2 = clone(exp);
+		if (alg.collectable(exp2) === true) return exp;
+		//console.log('exp',JSON.stringify(exp));
+		var exp3 = [];
+		
+		// look in each term for factorisable subterms
+		for (var t = 0; t < exp2.length; t++) {
+			var term = exp2[t];
+			
+			var num = alg.getTermNumerator(term);
+			//console.log('num:',JSON.stringify(num));
+			num = factoriseTerm(num);
+			
+			var denom = alg.getTermDenominator(term);
+			//console.log('denom:',JSON.stringify(denom));
+			denom = factoriseTerm(denom);
+			
+			var term2 = alg.divide([num],[denom],false);
+			//console.log('term2:',JSON.stringify(term2));
+			
+			exp3 = exp3.concat(term2);
+		}
+		
+		exp3 = factoriseExp(exp3);	
+		return exp3;
+		
+		function factoriseTerm(term) {
+			var term = clone(term);
+			var factors = [];
+			//console.log('factorise term',clone(term));
+			for (var s = 0; s < term.subterms.length; s++) {
+				var subterm = term.subterms[s];
+				//console.log('-----',s);
+				//console.log('term',clone(term));
+				//console.log('subterm',JSON.stringify(subterm));
+				if (un(subterm)) continue;
+				if (alg.getSubtermType(subterm) === 'simple') continue;
+				var index = subterm[1];
+				var exp = subterm[0];
+				//console.log('exp',clone(exp));
+				//console.log('index',index);
+				
+				var factor = alg.getHCF(exp);
+				//console.log('factor',JSON.stringify(factor));
+				if (isEqual(factor,[{sign:1,coeff:[1,1],subterms:[]}])) continue;
+				var dividend = [];
+				for (var t = 0; t < exp.length; t++) {
+					var termdiv = alg.divide([exp[t]],factor);
+					termdiv = alg.simplify(termdiv);
+					dividend.push(termdiv[0]);
+				}
+				if (isEqual(dividend,[{sign:1,coeff:[1,1],subterms:[]}])) continue;
+				//console.log('dividend',JSON.stringify(dividend));
+				
+				if (index !== 1) {
+					factor[0].coeff[0] = Math.pow(factor[0].coeff[0],index);
+					factor[0].coeff[1] = Math.pow(factor[0].coeff[1],index);
+					for (var s2 = 0; s2 < factor[0].subterms.length; s2++) {
+						factor[0].subterms[s2][1] = index;
+					}
+				}
+				
+				term.sign *= factor[0].sign;
+				term.coeff = [term.coeff[0]*factor[0].coeff[0],term.coeff[1]*factor[0].coeff[1]];
+				factors = factors.concat(factor[0].subterms);
+				term.subterms[s] = [dividend,index];
+				
+				//console.log('subterm',JSON.stringify(term.subterms[s]));
+				//console.log('term',JSON.stringify(term));
+			}
+			term.subterms = factors.concat(term.subterms);
+			//console.log('term = '+JSON.stringify(term,null,2));
+			return term;
+		}
+		function factoriseExp(exp) {		
+			//console.log('exp',clone(exp));
+			var factor = alg.getHCF(exp);
+			
+			//console.log('-----');
+			//console.log('exp',JSON.stringify(exp));
+			//console.log('factor',JSON.stringify(factor));
+			
+			if (isEqual(factor,[{sign:1,coeff:[1,1],subterms:[]}])) {
+				var exp2 = exp;
+			} else {
+				var dividend = [];
+				for (var t = 0; t < exp.length; t++) {
+					var termdiv = alg.divide([exp[t]],factor);
+					termdiv = alg.simplify(termdiv);
+					dividend.push(termdiv[0]);
+				}
+				//console.log('dividend',JSON.stringify(dividend));
+				
+				if (isEqual(dividend,[{sign:1,coeff:[1,1],subterms:[]}])) {
+					var exp2 = exp;
+				} else {
+					var exp2 = factor;
+					exp2[0].subterms.push([dividend,1]);
+					//console.log('exp2',JSON.stringify(exp2));
+				}
+			}
+			
+			for (var t = 0; t < exp2.length; t++) {
+				var term = exp2[t];
+				for (var s = 0; s < term.subterms.length; s++) {
+					var subterm = term.subterms[s];
+					if (alg.getSubtermType(subterm) !== 'compound') continue;
+					term.subterms[s][0] = alg.quadFactorise(term.subterms[s][0]);
+				}
+			}
+			exp2 = alg.quadFactorise(exp2);
+			
+			//console.log('exp2',JSON.stringify(exp2));	
+			
+			return exp2;
+		}
+	},
+	factorisable: function(exp) {
+		var exp2 = clone(exp);
+		var exp3 = alg.factorise(exp2);
+		return !isEqual(exp2,exp3);
+	},
+	quadFactorise: function(exp) {
+		if (exp.length > 3) return exp;
+		var exp2 = clone(exp);
+		exp2 = alg.collect(exp2);
+		
+		var terms = [];		
+		for (var t = 0; t < exp2.length; t++) {
+			var term = exp2[t];
+			var subterms = term.subterms;
+			if (subterms.length === 0) {
+				terms[2] = term;
+			} else if (subterms[0][1] === 2) {
+				terms[0] = term;
+			} else if (subterms[0][1] === 1) {
+				terms[1] = term;
+			}
+		}
+		if (un(terms[0])) return exp;
+		if (un(terms[2])) return exp;
+		var vari = terms[0].subterms[0][0];
+		if (un(terms[1])) terms[1] = {sign:1,coeff:[0,1],subterms:[[vari,1]]};
+		if (un(terms[2])) terms[2] = {sign:1,coeff:[0,1],subterms:[]};
+		
+		var a = terms[0].sign*terms[0].coeff[0];
+		var b = terms[1].sign*terms[1].coeff[0];
+		var c = terms[2].sign*terms[2].coeff[0];
+		
+		var det = b*b-4*a*c;
+		if (det < 0) return exp;
+		var detroot = Math.sqrt(det);
+		if (detroot !== Math.round(detroot)) return exp;		
+		
+		var roots = [
+			simplifyFrac2([-b+detroot,2*a]),
+			simplifyFrac2([-b-detroot,2*a])
+		];	
+		
+		var sign1 = roots[0][0]/roots[0][1] < 0 ? 1 : -1;
+		var sign2 = roots[1][0]/roots[1][1] < 0 ? 1 : -1;
+		roots[0][0] = Math.abs(roots[0][0]);
+		roots[0][1] = Math.abs(roots[0][1]);
+		roots[1][0] = Math.abs(roots[1][0]);
+		roots[1][1] = Math.abs(roots[1][1]);
+		
+		var exp3 = [{sign:1,coeff:[1,1],subterms:[]}];
+		
+		if (sign1 === sign2 && arraysEqual(roots[0],roots[1])) {
+			var exp3 = [{sign:1,coeff:[1,1],subterms:[[[{sign:1,coeff:[roots[0][1],1],subterms:[[vari,1]]},{sign:sign1,coeff:[roots[0][0],1],subterms:[]}],2]]}];
+		} else {
+			var exp3 = [
+				{sign:1,coeff:[1,1],subterms:[
+					[[{sign:1,coeff:[roots[0][1],1],subterms:[[vari,1]]},{sign:sign1,coeff:[roots[0][0],1],subterms:[]}],1],
+					[[{sign:1,coeff:[roots[1][1],1],subterms:[[vari,1]]},{sign:sign2,coeff:[roots[1][0],1],subterms:[]}],1]
+				]}
+			];
+		}
+		
+		
+		return exp3;		
+	},
+	simplify: function(exp) { // simplifies fractions
+		var exp2 = clone(exp);
+		for (var e = 0; e < exp2.length; e++) {
+			var term = exp2[e];
+			term.coeff = simplifyFrac2(term.coeff);
+			term.subterms = alg.simplifySubterms(term.subterms);
+			for (var s = 0; s < term.subterms.length; s++) {
+				var subterm = term.subterms[s];
+				if (alg.getSubtermType(subterm) === 'compound') {
+					term.subterms[s] = [alg.simplify(subterm[0]),subterm[1]];
+				}
+			}
+		}
+		var exp3 = [];
+		for (var e = 0; e < exp2.length; e++) {
+			var term = exp2[e];
+			if (term.sign === 1 && arraysEqual(term.coeff,[1,1]) && !un(term.subterms) && term.subterms.length === 1 && !un(term.subterms[0]) && alg.getSubtermType(term.subterms[0]) === 'compound' && term.subterms[0][1] === 1) {
+				exp3 = exp3.concat(term.subterms[0][0]);
+			} else {
+				exp3.push(term);
+			}
+		}
+		return exp3;
+		
+		
+		/*var exp2 = clone(exp);
+		alg.collect(exp2);
+		for (var t = 0; t < exp2.length; t++) {
+			var term = exp2[t];
+			term.coeff = simplifyFrac2(term.coeff);
+			term.subterms = alg.simplifySubterms(term.subterms);
+			for (var s = 0; s < term.subterms.length; s++) {
+				var subterm = term.subterms[s];
+				if (alg.getSubtermType(subterm) === 'compound') {
+					term.subterms[s] = [alg.simplify(subterm[0]),subterm[1]];
+				}
+			}
+			term.subterms = alg.orderSubterms(term.subterms);
+		}
+		return exp2;*/
+	},
+	simplifiable: function(exp) {
+		var exp2 = clone(exp);
+		var exp3 = alg.simplify(exp2);
+		return !isEqual(exp2,exp3);
+	},
+	
+	likeTerms: function(term1,term2) {
+		var subterms1 = clone(term1.subterms);
+		var subterms2 = clone(term2.subterms);
+		if (subterms1.length !== subterms2.length) return false;
+		for (var s1 = 0; s1 < subterms1.length; s1++) {
+			var sub1 = subterms1[s1];
+			for (var s2 = 0; s2 < subterms2.length; s2++) {
+				var sub2 = subterms2[s2];
+				if (alg.likeSubterm(sub1,sub2) === false || sub1[1] !== sub2[1]) return false;
+			}
+			return true;
+		}
+		return true;
+	},	
+	getTermNumerator: function(term) {
+		if (typeof term === 'string') return {sign:1,coeff:[1,1],subterms:[[term,1]]};
+		var num = {sign:term.sign,coeff:[term.coeff[0],1],subterms:[]};
+		for (var s = 0; s < term.subterms.length; s++) {
+			var subterm = term.subterms[s];
+			if (subterm[1] >= 0) {
+				num.subterms.push(subterm);
+			}
+		}
+		return num;
+	},
+	getTermDenominator: function(term) {
+		if (typeof term === 'string') return {sign:1,coeff:[1,1],subterms:[]};
+		var denom = {sign:1,coeff:[term.coeff[1],1],subterms:[]};
+		for (var s = 0; s < term.subterms.length; s++) {
+			var subterm = term.subterms[s];
+			if (subterm[1] < 0) {
+				denom.subterms.push([subterm[0],-1*subterm[1]]);
+			}
+		}
+		return denom;
+	},
+	multiplyExpressions: function(exp1,exp2) {
+		var exp3 = [];
+		for (var e1 = 0; e1 < exp1.length; e1++) {
+			var term1 = clone(exp1[e1]);
+			var subterms1 = term1.subterms;
+			var coeff1 = term1.coeff;
+			for (var e2 = 0; e2 < exp2.length; e2++) {
+				var term2 = clone(exp2[e2]);
+				var subterms2 = term2.subterms;
+				var coeff2 = term2.coeff;
+				var sign3 = term1.sign*term2.sign;
+				var coeff3 = simplifyFrac2([coeff1[0]*coeff2[0],coeff1[1]*coeff2[1]]);				
+				var subterms3 = subterms1.concat(subterms2);
+				subterms3 = alg.simplifySubterms(subterms3);
+				exp3.push({sign:sign3,coeff:coeff3,subterms:subterms3});
+			}
+		}
+		return exp3;
+	},
+	getTermReciprocal: function(term) {
+		var term2 = {
+			sign:term.sign,
+			coeff:[term.coeff[1],term.coeff[0]],
+			subterms:[]
+		};
+		for (var s = 0; s < term.subterms.length; s++) {
+			var sub = clone(term.subterms[s]);
+			sub[1] *= -1;
+			term2.subterms.push(sub);
+		}
+		return term2;
+	},
+	getExpressionReciprocal: function(exp) {
+		var exp = clone(exp);
+		if (exp.length === 1) {
+			var term = alg.getTermReciprocal(exp[0]);
+			return [term];
+		} else {
+			return [{sign:1,coeff:[1,1],subterms:[[exp,-1]]}];
+		}
+	},
+	simplifySubterms: function(subterms) {
+		var subterms = clone(subterms);
+		for (var v2 = subterms.length-1; v2 >= 0; v2--) { // combine like subterms
+			for (var v1 = v2-1; v1 >= 0; v1--) {
+				if (alg.likeSubterm(subterms[v2],subterms[v1])) {
+					subterms[v1][1] += subterms[v2][1];
+					subterms.splice(v2,1);
+					break;
+				}
+			}
+		}
+		for (var v2 = subterms.length-1; v2 >= 0; v2--) { // remove subterms with power 0
+			if (subterms[v2][1] === 0) subterms.splice(v2,1);
+		}
+		return subterms;
+	},
+	orderSubterms: function(subterms) {
+		//console.log(subterms);
+		subterms.sort(function(a,b) {
+			if (isEqual(a[0],b[0])) return b[1]-a[1];
+			var typeA = alg.getSubtermType(a);
+			var typeB = alg.getSubtermType(b);
+			if (typeA === 'single' && typeB === 'single') {
+				if (a[0] < b[0]) return -1;
+				if (a[0] > b[0]) return 1;
+			} else if (typeA === 'single') {
+				return -1;
+			} else if (typeB === 'single') {
+				return 1;
+			}
+			return 0;
+		});
+		for (var s = 0; s < subterms.length; s++) {
+			var subterm = subterms[s];
+			var type = alg.getSubtermType(subterm);
+			if (type === 'compound') {
+				//console.log(subterm);
+				for (var s2 = 0; s2 < subterm[0].length; s2++) {
+					var sub2 = subterm[0][s2];
+					alg.orderSubterms(sub2.subterms);
+				}
+			}
+		}
+		return subterms;
+	},
+	getSubtermType: function(subterm) {
+		if (subterm.length === 2 && typeof subterm[0] === 'string' && typeof subterm[1] === 'number') {
+			return 'single';
+		} else {
+			return 'compound';
+		}
+	},
+	likeSubterm: function(subterm1,subterm2) {
+		if (un(subterm1) && un(subterm2)) return true;
+		var sub1 = subterm1[0];
+		var sub2 = subterm2[0];
+		if (un(sub1) && un(sub2)) return true;
+		if (isEqual(sub1,sub2)) return true;
+		if (sub1 instanceof Array && sub2 instanceof Array) {
+			if (sub1.length !== sub2.length) return false;
+			sub1 = clone(sub1);
+			sub2 = clone(sub2);
+			for (var s1 = 0; s1 < sub1.length; s1++) {
+				var sub11 = sub1[s1];
+				var found = false;
+				for (var s2 = 0; s2 < sub2.length; s2++) {
+					var sub22 = sub2[s2];
+					if (sub11.sign === sub22.sign && arraysEqual(sub11.coeff,sub22.coeff) === true && arraysEqual(sub11.subterms,sub22.subterms) === true) {
+						found = true;
+						break;
+					}
+				}
+				if (found === false) return false;
+			}
+			return true;
+		}
+		return false;
+	},
+	getHCF: function(exp) {
+		var exp = clone(exp);
+		if (exp.length === 1) return [{sign:1,coeff:[1,1],subterms:[]}];
+		var term = exp[0];
+		var sign = term.sign;
+		var num = term.coeff[0];
+		var denom = term.coeff[1];
+		var subterms = clone(term.subterms);
+		for (var t = 1; t < exp.length; t++) {
+			var term = exp[t];
+			if (term.sign === 1) sign = 1;
+			num = hcf(num,term.coeff[0]);
+			denom = hcf(denom,term.coeff[1]);
+			for (var s1 = 0; s1 < subterms.length; s1++) {
+				var subterm1 = subterms[s1];
+				var found = false;
+				for (var s2 = 0; s2 < term.subterms.length; s2++) {
+					var subterm2 = term.subterms[s2];
+					if (alg.likeSubterm(subterm1,subterm2) === true) {
+						found = true;
+						subterm1[1] = Math.min(subterm1[1],subterm2[1]);
+						break;
+					}
+				}
+				if (found === false) {
+					subterms.splice(s1,1);
+					s1--;
+				}
+			}
+		}
+		return [{sign:sign,coeff:[num,denom],subterms:subterms}];
+	},
+	
+	hasNegativeIndices: function(exp) {
+		for (var e = 0; e < exp.length; e++) {
+			if (exp[e][1] < 0) return true;
+		}
+		return false;
+	},
+	getCommonDenominator: function(exp) {
+		var exp = clone(exp);
+		var denomCoeff = 1;
+		var denomSubterms = [];
+		for (var e = 0; e < exp.length; e++) {
+			var term = exp[e];
+			denomCoeff = (denomCoeff*term.coeff[1])/hcf(denomCoeff,term.coeff[1]);
+			var subterms = term.subterms;
+			for (var s = 0; s < subterms.length; s++) {
+				if (subterms[s][1] < 0) {
+					subterms[s][1] *= -1;
+					denomSubterms.push(subterms[s]);
+				}
+			}
+		}
+		for (var s1 = denomSubterms.length-1; s1 >= 0; s1--) {
+			var sub1 = denomSubterms[s1];
+			for (var s2 = s1-1; s2 >= 0; s2--) {
+				var sub2 = denomSubterms[s2];
+				if (alg.likeSubterm(sub1,sub2) === true) {
+					sub2[1] = Math.max(sub1[1],sub2[1]);
+					denomSubterms.splice(s1,1);
+					break;
+				}
+			}
+		}
+		
+		var exp2 = {sign:1,coeff:denomCoeff,subterms:denomSubterms};
+		return exp2;
+	}
+}
+
+function bound(value, min, max, roundTo) {
+	if (!un(roundTo))
+		value = roundToNearest(value, roundTo);
+	return Math.max(min, Math.min(max, value));
+}
+
+function pngVis(sf, dl) {
+	if (un(sf)) sf = 0.4;
+
+	var ctx = newctx({
+			vis: false
+		});
+
+	var obj = container.childNodes;
+	for (var o = 0; o < obj.length; o++) {
+		if (obj[o].nodeType !== 1)
+			continue;
+		if (obj[o].nodeName.toLowerCase() !== 'canvas')
+			continue;
+		var dims = obj[o].getBoundingClientRect();
+		var left = roundToNearest(xWindowToCanvas(dims.left), 1);
+		var top = roundToNearest(yWindowToCanvas(dims.top), 1);
+		flattenCanvases(ctx.canvas, obj[o], left, top);
+	}
+
+	if (sf !== 1) {
+		var w = mainCanvasWidth * sf;
+		var h = mainCanvasHeight * sf;
+		var ctx2 = newctx({
+				rect: [0, 0, w, h],
+				vis: false
+			});
+		ctx2.drawImage(ctx.canvas, 0, 0, w, h);
+		var imgURL = canvasToPNG(ctx2.canvas);
+	} else {
+		var imgURL = canvasToPNG(ctx.canvas);
+	}
+
+	//window.open(imgURL,'_blank');
+
+	return imgURL;
+	/*
+	if (boolean(dl, true) == true) {
+		var dlLink = document.createElement('a');
+		dlLink.download = 'dl.png';
+		dlLink.href = imgURL;
+		dlLink.dataset.downloadurl = ["image/png", dlLink.download, dlLink.href].join(':');
+		document.body.appendChild(dlLink);
+		dlLink.click();
+		document.body.removeChild(dlLink);
+		return;
+	}
+	return imgURL;*/
+}
+function canvasToPNG(canvas, filename, l, t, w, h) {
+	var width = mainCanvasWidth;
+	var height = mainCanvasHeight;
+	if (isElement(canvas)) {
+		width = canvas.width;
+		height = canvas.height;
+	}
+	var canvas2 = document.createElement('canvas');
+	canvas2.width = width;
+	canvas2.height = height;
+	var ctx2 = canvas2.getContext('2d');
+	if (isElement(canvas)) {
+		ctx2.drawImage(canvas, 0, 0);
+	} else if (typeof canvas == 'object') {
+		for (var i = 0; i < canvas.length; i++) {
+			ctx2.drawImage(canvas[i], canvas[i].data[100], canvas[i].data[101]);
+		}
+	}
+	var left = l || 0;
+	var top = t || 0;
+	var w2 = w || width;
+	var h2 = h || height;
+	var canvas3 = document.createElement('canvas');
+	canvas3.width = w2;
+	canvas3.height = h2;
+	var ctx3 = canvas3.getContext('2d');
+	ctx3.drawImage(canvas2, -left, -top);
+	var imgURL = canvas3.toDataURL("image/png");
+	return imgURL;
+}
+
+function calcRects(obj) {
+	if (un(obj))
+		obj = {};
+	var left = def([obj.left, 0]);
+	var top = def([obj.top, 80]);
+	if (typeof obj.margin == 'object') {
+		obj.marginLeft = obj.margin[0];
+		obj.marginTop = obj.margin[1];
+		obj.marginRight = obj.margin[2];
+		obj.marginBottom = obj.margin[3];
+	}
+	var marginLeft = def([obj.marginLeft, obj.margin, 20]);
+	var marginBottom = def([obj.marginBottom, obj.margin, 20]);
+	var marginTop = def([obj.marginTop, obj.margin, 20]);
+	var marginRight = def([obj.marginRight, obj.margin, 20]);
+	var paddingVert = def([obj.paddingVert, obj.padding, 40]);
+	var paddingHoriz = def([obj.paddingHoriz, obj.padding, 40]);
+	var rows = def([obj.rows, 2]);
+	var cols = def([obj.cols, 2]);
+	var order = def([obj.order, 'v']);
+
+	var width = (1200 - left - marginLeft - marginRight - (cols - 1) * paddingHoriz) / cols;
+	var height = (700 - top - marginTop - marginBottom - (rows - 1) * paddingVert) / rows;
+
+	var arr = [];
+
+	for (var r = 0; r < rows; r++) {
+		for (var c = 0; c < cols; c++) {
+			if (order == 'h') {
+				var index = r * cols + c;
+			} else {
+				var index = c * rows + r;
+			}
+			arr[index] = [
+				left + marginLeft + c * (width + paddingHoriz),
+				top + marginTop + r * (height + paddingVert),
+				width,
+				height,
+				left + marginLeft + c * (width + paddingHoriz) + width,
+				top + marginTop + r * (height + paddingVert) + height,
+				left + marginLeft + c * (width + paddingHoriz) + 0.5 * width,
+				top + marginTop + r * (height + paddingVert) + 0.5 * height,
+			];
+		}
+	}
+	if (!un(obj.ctx)) { // if ctx is supplied, draw rects
+		for (var i = 0; i < arr.length; i++) {
+			obj.ctx.save();
+			obj.ctx.strokeStyle = '#000';
+			obj.ctx.lineWidth = 2;
+			obj.ctx.strokeRect(arr[i][0], arr[i][1], arr[i][2], arr[i][3]);
+			obj.ctx.lineWidth = 1;
+			obj.ctx.strokeStyle = '#666';
+			obj.ctx.setLineDash([15, 15]);
+			obj.ctx.beginPath();
+			obj.ctx.moveTo(arr[i][0], arr[i][7]);
+			obj.ctx.lineTo(arr[i][4], arr[i][7]);
+			obj.ctx.moveTo(arr[i][6], arr[i][1]);
+			obj.ctx.lineTo(arr[i][6], arr[i][5]);
+			obj.ctx.stroke();
+			obj.ctx.restore();
+		}
+	}
+	return arr;
+}
+
+var dropMenus = [];
+function dropMenu(obj) {
+	obj.open = false;
+	obj.selected = -1;
+	obj.buttonColor = def([obj.buttonColor, obj.selectedColor, '#3FF']);
+	obj.buttonBorderColor = def([obj.buttonBorderColor, '#000']);
+	obj.buttonBorder = boolean(obj.buttonBorder, true);
+	obj.showDownArrow = boolean(obj.showDownArrow, true);
+	obj.selectedColor = def([obj.selectedColor, '#3FF']);
+	obj.unselectedColor = def([obj.unselectedColor, '#CFF']);
+	obj.z = def([obj.z, 100000000]);
+	obj.listShowMax = def([obj.listShowMax, -1]);
+	obj.overflow = false;
+	obj.fullWidth = clone(obj.listRect[2]);
+	obj.font = def([obj.font, 'Arial']);
+	obj.fontSize = def([obj.fontSize, 16]);
+	obj.align = def([obj.align, 'left']);
+
+	obj.canvas1 = createCanvas(obj.buttonRect[0], obj.buttonRect[1], obj.buttonRect[2], obj.buttonRect[3], true, false, true, obj.z);
+	obj.canvas1.parent = obj;
+	obj.canvas1.click = function () {
+		var obj = this.parent;
+		obj.open = !obj.open;
+		if (obj.open == true) {
+			showObj(obj.canvas2);
+			showObj(obj.canvas3);
+			if (obj.overflow)
+				showScroller(obj.scroller);
+			addListenerMove(window, obj.move);
+			addListener(obj.canvas2, obj.click);
+			addListenerStart(window, obj.windowClickClose);
+			if (obj.overflow == true)
+				window.addEventListener("mousewheel", obj.mouseWheelHandler, false);
+		} else {
+			obj.close();
+		}
+	}
+	obj.canvas1.draw = function () {
+		var obj = this.parent;
+		var ctx = this.ctx;
+		var w = obj.buttonRect[2];
+		var h = obj.buttonRect[3];
+		ctx.clearRect(0, 0, w, h);
+		if (obj.buttonBorder == true) {
+			text({
+				ctx: obj.canvas1.ctx,
+				text: [obj.title],
+				left: 1.5,
+				top: 1.5,
+				width: w - 3,
+				height: h - 3,
+				align: 'center',
+				vertAlign: 'middle',
+				box: {
+					type: 'loose',
+					color: obj.buttonColor,
+					borderWidth: 3,
+					borderColor: obj.buttonBorderColor
+				}
+			});
+		} else {
+			text({
+				ctx: obj.canvas1.ctx,
+				text: [obj.title],
+				left: 1.5,
+				top: 1.5,
+				width: w - 3,
+				height: h - 3,
+				align: 'center',
+				vertAlign: 'middle'
+			});
+		}
+		if (obj.showDownArrow == true) {
+			ctx.fillStyle = '#000';
+			ctx.lineJoin = 'round';
+			ctx.lineCap = 'round';
+			var l = w - 15;
+			var t = h / 2;
+			ctx.beginPath();
+			ctx.moveTo(l - 8, t - 4);
+			ctx.lineTo(l + 8, t - 4);
+			ctx.lineTo(l, t + 8);
+			ctx.lineTo(l - 8, t - 4);
+			ctx.fill();
+		}
+	}
+	obj.canvas1.draw();
+	addListenerEnd(obj.canvas1, obj.canvas1.click);
+	obj.windowClickClose = function (e) {
+		for (var i = 0; i < dropMenus.length; i++) {
+			if (dropMenus[i].open == true) {
+				var obj = dropMenus[i];
+				if (e.target !== obj.canvas1 && e.target !== obj.canvas2 && (un(obj.scroller) || (e.target !== obj.scroller.canvas && e.target !== obj.scroller.sliderCanvas))) {
+					obj.close();
+				}
+			}
+		}
+	}
+	obj.close = function () {
+		var obj = this;
+		hideObj(obj.canvas2);
+		hideObj(obj.canvas3);
+		hideScroller(obj.scroller);
+		removeListenerMove(window, obj.move);
+		removeListener(obj.canvas2, obj.click);
+		removeListener(window, obj.windowClickClose);
+		if (obj.overflow == true)
+			window.removeEventListener("mousewheel", obj.mouseWheelHandler, false);
+		obj.selected = -1;
+		obj.open = false;
+		obj.draw();
+	}
+
+	obj.canvas2 = createCanvas(obj.listRect[0], obj.listRect[1], obj.listRect[2], obj.listRect[3], false, false, true, obj.z); // text - drawn once
+	obj.canvas2.parent = obj;
+	obj.canvas3 = createCanvas(obj.listRect[0], obj.listRect[1], obj.listRect[2], obj.listRect[3], false, false, false, obj.z + 1); // colors
+	obj.canvas3.parent = obj;
+	obj.scroller = createScroller({
+			rect: [obj.listRect[0] + obj.listRect[2] - 20, obj.listRect[1], 20, obj.listRect[3] * obj.listShowMax],
+			z: obj.z + 2,
+			min: 0,
+			max: obj.data.length - obj.listShowMax,
+			inc: 1,
+			sliderHeight: (obj.listRect[3] * obj.listShowMax - 2 * 20) * (obj.listShowMax / obj.data.length),
+			funcMove: function (value) {
+				var obj = this.parent;
+				value = roundToNearest(value, 1);
+				obj.draw(value);
+				removeListenerMove(window, obj.move);
+				removeListener(obj.canvas2, obj.click);
+				removeListener(window, obj.windowClickClose);
+			},
+			funcStop: function (value) {
+				var obj = this.parent;
+				value = roundToNearest(value, 1);
+				obj.draw(value);
+				addListenerMove(window, obj.move);
+				addListener(obj.canvas2, obj.click);
+				addListener(window, obj.windowClickClose);
+			}
+		});
+	obj.scroller.parent = obj;
+	obj.mouseWheelHandler = function (e) {
+		// cross-browser wheel delta
+		var e = window.event || e; // old IE support
+		var delta = Math.max(-1, Math.min(1, (e.wheelDelta || -e.detail)));
+		for (var i = 0; i < dropMenus.length; i++) {
+			if (dropMenus[i].open == true) {
+				var obj = dropMenus[i];
+				setScrollerValue(obj.scroller, obj.scrollPos - delta, true);
+				break;
+			}
+		}
+	}
+	hideScroller(obj.scroller);
+	obj.updateData = function () {
+		var obj = this;
+		var height = this.listRect[3] * this.data.length;
+		if (this.listShowMax !== -1 && this.listShowMax < this.data.length) {
+			this.overflow = true;
+			this.listRect[2] = this.fullWidth - 20;
+			height = this.listRect[3] * this.listShowMax;
+			var s = this.scroller;
+			s.max = this.data.length - this.listShowMax;
+			s.sliderHeight = (height - 2 * 20) * (this.listShowMax / this.data.length);
+			s.incDist = (s.rect[3] - 2 * 20 - s.sliderHeight) / ((s.max - s.min) / s.inc);
+			s.sliderRect[3] = s.sliderHeight;
+			s.sliderCanvas.data[100] = s.sliderRect[0];
+			s.sliderCanvas.data[101] = s.sliderRect[1];
+			s.sliderCanvas.data[102] = s.sliderRect[2];
+			s.sliderCanvas.data[103] = s.sliderRect[3];
+			resizeCanvas(s.sliderCanvas, s.sliderCanvas.data[100], s.sliderCanvas.data[101], s.sliderCanvas.data[102], s.sliderCanvas.data[103]);
+			setScrollerValue(s, 0, true);
+		} else {
+			this.overflow = false;
+			this.listRect[2] = this.fullWidth;
+		}
+		this.scrollPos = 0;
+		this.canvas2.data[102] = this.listRect[2];
+		this.canvas2.width = this.listRect[2];
+		this.canvas2.data[103] = height;
+		this.canvas2.height = height;
+		resizeCanvas(this.canvas2, this.listRect[0], this.listRect[1], this.listRect[2], height);
+		this.canvas3.data[102] = this.listRect[2];
+		this.canvas3.width = this.listRect[2];
+		this.canvas3.data[103] = height;
+		this.canvas3.height = height;
+		resizeCanvas(this.canvas3, this.listRect[0], this.listRect[1], this.listRect[2], height);
+		obj.drawListText();
+		obj.draw();
+
+	}
+	obj.drawListText = function () {
+		var obj = this;
+		var top = 0;
+		if (obj.overflow)
+			top -= obj.scrollPos * obj.listRect[3];
+		var ctx = obj.canvas3.ctx;
+		for (var d = 0; d < obj.data.length; d++) {
+			text({
+				ctx: ctx,
+				text: ['<<font:' + this.font + '>><<fontSize:' + this.fontSize + '>>' + obj.data[d]],
+				left: 0,
+				top: top,
+				width: obj.listRect[2],
+				height: obj.listRect[3],
+				align: this.align,
+				vertAlign: 'middle',
+				box: {
+					color: 'none',
+					borderWidth: 0.01
+				}
+			});
+			top += obj.listRect[3];
+			ctx.strokeStyle = '#000';
+			ctx.lineWidth = 1;
+			ctx.beginPath();
+			ctx.moveTo(0, top);
+			ctx.lineTo(obj.listRect[2], top);
+			ctx.stroke();
+		}
+		ctx.strokeStyle = '#000';
+		ctx.lineWidth = 2;
+		ctx.beginPath();
+		ctx.moveTo(0, 0);
+		ctx.lineTo(obj.listRect[2], 0);
+		ctx.moveTo(0, 0);
+		ctx.lineTo(0, top);
+		ctx.moveTo(obj.listRect[2], 0);
+		ctx.lineTo(obj.listRect[2], top);
+		ctx.stroke();
+	}
+	obj.draw = function (newScrollPos) {
+		var obj = this;
+		var ctx = this.canvas2.ctx;
+		if (this.overflow == true) {
+			if (!un(newScrollPos) && newScrollPos !== obj.scrollPos) {
+				obj.scrollPos = newScrollPos;
+				var ctx2 = this.canvas3.ctx;
+				ctx2.clearRect(0, 0, this.listRect[2], this.listRect[3] * this.listShowMax);
+				obj.drawListText();
+			}
+			ctx.fillStyle = this.unselectedColor;
+			ctx.fillRect(0, 0 - this.scrollPos * this.listRect[3], this.listRect[2], this.listRect[3] * this.data.length);
+			ctx.fillStyle = this.selectedColor;
+			ctx.fillRect(0, this.listRect[3] * this.selected - this.scrollPos * this.listRect[3], this.listRect[2], this.listRect[3]);
+		} else {
+			ctx.fillStyle = this.unselectedColor;
+			ctx.fillRect(0, 0, this.listRect[2], this.listRect[3] * this.data.length);
+			ctx.fillStyle = this.selectedColor;
+			ctx.fillRect(0, this.listRect[3] * this.selected, this.listRect[2], this.listRect[3]);
+		}
+	}
+	obj.updateData();
+	obj.move = function (e) {
+		updateMouse(e);
+		var found = false;
+		for (var i = 0; i < dropMenus.length; i++) {
+			if (dropMenus[i].open == true) {
+				obj = dropMenus[i];
+				var found = true;
+				break;
+			}
+		}
+		if (found == false)
+			return;
+		if (mouse.x < obj.listRect[0] || mouse.x > obj.listRect[0] + obj.listRect[2] || mouse.y < obj.listRect[1] || mouse.y > obj.listRect[1] + obj.data.length * obj.listRect[3]) {
+			if (obj.selected !== -1) {
+				obj.selected = -1;
+				obj.draw();
+			}
+		} else {
+			var sel = Math.floor((mouse.y - obj.listRect[1]) / obj.listRect[3]);
+			if (obj.overflow == true)
+				sel += obj.scrollPos;
+			if (obj.selected !== sel) {
+				obj.selected = sel;
+				obj.draw();
+			}
+		}
+	}
+	obj.click = function () {
+		var obj = this.parent;
+		if (!un(obj.func))
+			obj.func.apply();
+		obj.close();
+	}
+	resize();
+	obj.index = dropMenus.length;
+	dropMenus.push(obj); // place in global array
+	return obj;
+}
+
+function drawTable(context, lineWidth, lineColor, l, t, hLines, vLines) {
+	context.save();
+	context.beginPath();
+	context.lineWidth = lineWidth;
+	context.strokeStyle = lineColor;
+	context.lineCap = 'round';
+	// draw horizontal lines
+	for (h = 0; h < hLines.length; h++) {
+		context.moveTo(l + vLines[0], t + hLines[h]);
+		context.lineTo(l + vLines[vLines.length - 1], t + hLines[h]);
+	}
+	// draw vertical lines
+	for (v = 0; v < vLines.length; v++) {
+		context.moveTo(l + vLines[v], t + hLines[0]);
+		context.lineTo(l + vLines[v], t + hLines[hLines.length - 1]);
+	}
+	context.stroke();
+	context.restore();
+}
+function calcTable2(object) {
+	var left = object.left;
+	var top = object.top;
+	var cells = object.cells;
+
+	var minCellWidth = object.minCellWidth || 80;
+	var maxCellWidth = object.maxCellWidth || 150;
+	var minCellHeight = object.minCellHeight || 100;
+	var minCellPadding = object.minCellPadding || 10;
+	var horizAlign = object.horizAlign || object.align || 'center';
+	if (typeof object.text == 'object') {
+		var font = object.text.font || 'Arial';
+		var fontSize = object.text.size || 32;
+		var textColor = object.text.color || '#000';
+	} else {
+		var font = 'Arial';
+		var fontSize = 32;
+		var textColor = '#000';
+	}
+
+	var numRows = cells.length;
+	var numCols = 0;
+	for (var i = 0; i < cells.length; i++) {
+		numCols = Math.max(cells[i].length, numCols);
+	}
+	var cellHeights = [];
+	for (var i = 0; i < numRows; i++) {
+		cellHeights[i] = minCellHeight;
+	}
+	var cellWidths = [];
+	for (var j = 0; j < numCols; j++) {
+		cellWidths[j] = minCellWidth;
+	}
+	var totalWidth = 0;
+	var totalHeight = 0;
+
+	for (var i = 0; i < cells.length; i++) {
+		var maxHeight = minCellHeight;
+		for (var j = 0; j < cells[i].length; j++) {
+			if (typeof cells[i][j] == 'object') {
+				if (typeof cells[i][j].text !== 'object')
+					cells[i][j].text = [];
+				if (typeof cells[i][j].minWidth !== 'number')
+					cells[i][j].minWidth = 0;
+				if (typeof cells[i][j].minHeight !== 'number')
+					cells[i][j].minHeight = 0;
+				cells[i][j].text.unshift('<<font:' + font + '>><<fontSize:' + fontSize + '>><<color:' + textColor + '>>');
+				cells[i][j].text = reduceTags(cells[i][j].text);
+				var dims = drawMathsText(ctx, cells[i][j].text, fontSize, 0, 0, false, [], horizAlign, 'middle', text.color, 'measure');
+				maxHeight = Math.max(dims[1] + 2 * minCellPadding, cells[i][j].minHeight, maxHeight);
+				cellWidths[j] = Math.max(dims[0] + 2 * minCellPadding, cells[i][j].minWidth, cellWidths[j]);
+			}
+		}
+		cellHeights[i] = Math.max(maxHeight, cellHeights[i]);
+		totalHeight += cellHeights[i];
+	}
+	for (var j = 0; j < cellWidths.length; j++) {
+		totalWidth += cellWidths[j];
+	}
+
+	var horizPos = [left];
+	for (var i = 0; i < cellWidths.length; i++) {
+		horizPos.push(horizPos[horizPos.length - 1] + cellWidths[i])
+	}
+
+	var vertPos = [top];
+	for (var i = 0; i < cellHeights.length; i++) {
+		vertPos.push(vertPos[vertPos.length - 1] + cellHeights[i])
+	}
+
+	var cellDims = [];
+
+	var topPos = top;
+	for (var i = 0; i < cells.length; i++) {
+		var leftPos = left;
+		cellDims[i] = [];
+		for (var j = 0; j < cells[i].length; j++) {
+			cellDims[i][j] = {
+				left: leftPos + 2,
+				top: topPos + 1,
+				width: cellWidths[j] - 9,
+				height: cellHeights[i] - 8,
+				border: false,
+				offset: [-40, 0.5 * (cellHeights[i] - 8) - 20],
+				fontSize: fontSize,
+				leftPoint: minCellPadding,
+				textColor: textColor,
+				textAlign: horizAlign,
+				fontSize: fontSize
+			};
+			leftPos += cellWidths[j];
+		}
+		topPos += cellHeights[i];
+	}
+
+	return {
+		cell: cellDims,
+		xPos: horizPos,
+		yPos: vertPos
+	};
+}
+function drawTable2(object) {
+	/* EXAMPLE USAGE:
+	var j0001table1 = drawTable2({
+	ctx:j0001buttonctx[0],
+	left:100,
+	top:150,
+	minCellWidth:80,
+	minCellHeight:50,
+	horizAlign:'center',
+	text:{font:'Arial',size:32,color:'#000'},
+	outerBorder:{show:true,width:4,color:'#000'},
+	innerBorder:{show:true,width:2,color:'#666',dash:[5,5]},
+	cells:[
+	[    // row 0{text:['<<fontSize:36>><<font:algebra>>x'],color:'#CCF',minWidth:100,minHeight:70},{text:['<<fontSize:36>><<font:algebra>>y'],color:'#CCF',minWidth:100,minHeight:70},{text:['<<fontSize:36>><<font:algebra>><<color:#F00>>z'],color:'#CCF',minWidth:100,minHeight:70},
+	], [ // row 1{},{text:['2']},{text:['<<color:#F00>>3']},
+	], [ // row 2{text:['4']},{},{text:['<<color:#F00>>6']},
+	],
+	]
+	});
+
+	// CAN EASILY USE IN CONJUNCTION WITH INPUTS()...
+	inputs({
+	inputs:[
+	// j0001table1.cell[row][col] - nb. start counting from zero
+	j0001table1.cell[1][0],
+	j0001table1.cell[2][1]
+	],
+	checkFuncs:[
+	function(input) {
+	if (input.stringJS == '1') {
+	return true;
+	} else {
+	return false;
+	}
+	},
+	function(input) {
+	if (input.stringJS == '5') {
+	return true;
+	} else {
+	return false;
+	}
+	},
+	]
+	});
+	 */
+
+	if (typeof object.sf !== 'undefined') {
+		var sf = object.sf;
+	} else {
+		var sf = 1;
+	}
+	var ctx = object.ctx || object.context;
+	var left = object.left * sf;
+	var top = object.top * sf;
+	var cells = object.cells;
+
+	var minCellWidth = object.minCellWidth * sf || 80 * sf;
+	var maxCellWidth = object.maxCellWidth * sf || Math.max(1200 * sf, object.minCellWidth * sf);
+	var minCellHeight = object.minCellHeight * sf || 100 * sf;
+	var minCellPadding = object.minCellPadding * sf || 7 * sf;
+	var paddingH = minCellPadding;
+	var paddingV = minCellPadding;
+	if (typeof object.paddingH == 'number')
+		paddingH = object.paddingH * sf;
+	if (typeof object.paddingV == 'number')
+		paddingV = object.paddingV * sf;
+	var horizAlign = object.horizAlign || object.align || 'center';
+	if (typeof object.text == 'object') {
+		var font = object.text.font || 'Arial';
+		var fontSize = object.text.size || 32;
+		var textColor = object.text.color || '#000';
+	} else {
+		var font = 'Arial';
+		var fontSize = 32;
+		var textColor = '#000';
+	}
+	if (typeof object.alpha == 'number') {
+		var alpha = object.alpha;
+	} else {
+		var alpha = 1;
+	}
+	var lineJoin = object.lineJoin || object.lineCap || 'round';
+	var lineCap = object.lineCap || object.lineJoin || 'round';
+	var outerBorder = {};
+	if (typeof object.outerBorder == 'object') {
+		outerBorder.show = boolean(object.outerBorder.show, true);
+		outerBorder.width = object.outerBorder.width * sf || 4 * sf;
+		if (typeof object.outerBorder.color == 'undefined') {
+			outerBorder.color = colorA('#000', alpha);
+		} else {
+			outerBorder.color = colorA(object.outerBorder.color, alpha);
+		}
+		outerBorder.dash = object.outerBorder.dash || [];
+	} else {
+		outerBorder.show = true;
+		outerBorder.width = 4 * sf;
+		outerBorder.color = colorA('#000', alpha);
+		outerBorder.dash = [];
+	}
+	outerBorder.dash = enlargeDash(outerBorder.dash, sf);
+	var innerBorder = {};
+	if (typeof object.innerBorder == 'object') {
+		innerBorder.show = boolean(object.innerBorder.show, true);
+		innerBorder.width = object.innerBorder.width * sf || 4 * sf;
+		if (typeof object.innerBorder.color == 'undefined') {
+			innerBorder.color = colorA('#000', alpha);
+		} else {
+			innerBorder.color = colorA(object.innerBorder.color, alpha);
+		}
+		innerBorder.dash = object.innerBorder.dash || [];
+	} else {
+		innerBorder.show = true;
+		innerBorder.width = 4 * sf;
+		innerBorder.color = colorA('#000', alpha);
+		innerBorder.dash = [20, 15];
+	}
+	innerBorder.dash = enlargeDash(innerBorder.dash, sf);
+	var tableAlignHoriz = object.tableAlignHoriz || 'left'; // is the whole table centred on [left,top]?
+	var tableAlignVert = object.tableAlignVert || 'top';
+
+	var numRows = cells.length;
+	var numCols = 0;
+	for (var i = 0; i < cells.length; i++) {
+		numCols = Math.max(cells[i].length, numCols);
+	}
+	var cellHeights = [];
+	for (var i = 0; i < numRows; i++) {
+		cellHeights[i] = minCellHeight;
+	}
+	var cellWidths = [];
+	for (var j = 0; j < numCols; j++) {
+		cellWidths[j] = minCellWidth;
+	}
+	var totalWidth = 0;
+	var totalHeight = 0;
+
+	if (typeof hiddenCanvas == 'undefined') {
+		var hiddenCanvas = document.createElement('canvas');
+		hiddenCanvas.width = mainCanvasWidth * sf;
+		hiddenCanvas.height = mainCanvasHeight * sf;
+		hiddenCanvas.ctx = hiddenCanvas.getContext('2d');
+	}
+
+	for (var r = 0; r < cells.length; r++) {
+		var maxHeight = minCellHeight;
+		for (var c = 0; c < cells[r].length; c++) {
+			if (typeof cells[r][c] == 'object') {
+				if (typeof cells[r][c].text !== 'object') {
+					cells[r][c].text = [];
+				} else {
+					cells[r][c].text = clone(cells[r][c].text);
+				}
+				if (typeof cells[r][c].color !== 'string')
+					cells[r][c].color = 'none';
+				if (typeof cells[r][c].minWidth !== 'number')
+					cells[r][c].minWidth = 0;
+				if (typeof cells[r][c].minHeight !== 'number')
+					cells[r][c].minHeight = 0;
+				var font2 = font;
+				var fontSize2 = fontSize;
+				var textColor2 = textColor;
+				if (!un(cells[r][c].font))
+					font2 = cells[r][c].font;
+				if (!un(cells[r][c].fontSize))
+					fontSize2 = cells[r][c].fontSize;
+				if (!un(cells[r][c].textColor))
+					textColor2 = cells[r][c].textColor;
+				if (un(cells[r][c].styled)) {
+					cells[r][c].text.unshift('<<font:' + font2 + '>><<fontSize:' + fontSize2 + '>><<color:' + textColor2 + '>>');
+					cells[r][c].styled = true;
+				}
+				//var dims = drawMathsText(ctx,cells[r][c].text,fontSize,0,0,false,[],horizAlign,'middle',text.color,'measure');
+				//maxHeight = Math.max(dims[1]+2*minCellPadding,cells[r][c].minHeight,maxHeight);
+				//cellWidths[c] = Math.max(dims[0]+2*minCellPadding,cells[r][c].minWidth,cellWidths[c]);
+
+				var cellText = text({
+						ctx: hiddenCanvas.ctx,
+						left: 0,
+						top: 0,
+						width: maxCellWidth,
+						textArray: cells[r][c].text,
+						minTightWidth: 5,
+						minTightHeight: 5,
+						box: cells[r][c].box,
+						sf: sf
+					});
+				maxHeight = Math.max(cellText.tightRect[3] + 2 * paddingV, cells[r][c].minHeight * sf, maxHeight);
+				cellWidths[c] = Math.max(cellText.tightRect[2] + 3 * paddingH, cells[r][c].minWidth * sf, cellWidths[c]);
+			}
+		}
+		cellHeights[r] = Math.max(maxHeight, cellHeights[r]);
+		totalHeight += cellHeights[r];
+	}
+	for (var j = 0; j < cellWidths.length; j++) {
+		totalWidth += cellWidths[j];
+	}
+
+	if (tableAlignHoriz == 'center') {
+		left = left - totalWidth / 2;
+	} else if (tableAlignHoriz == 'right') {
+		left = left - totalWidth;
+	}
+
+	if (tableAlignVert == 'middle') {
+		top = top - totalHeight / 2;
+	} else if (tableAlignVert == 'bottom') {
+		top = top - totalHeight;
+	}
+
+	ctx.save();
+	ctx.lineCap = lineCap;
+	ctx.lineJoin = lineJoin;
+
+	var cellDims = [];
+
+	var horizPos = [left];
+	for (var i = 0; i < cellWidths.length; i++) {
+		horizPos.push(horizPos[horizPos.length - 1] + cellWidths[i])
+	}
+
+	var vertPos = [top];
+	for (var i = 0; i < cellHeights.length; i++) {
+		vertPos.push(vertPos[vertPos.length - 1] + cellHeights[i])
+	}
+
+	// write text to each cell
+	var topPos = top;
+	for (var i = 0; i < cells.length; i++) {
+		var leftPos = left;
+		cellDims[i] = [];
+		for (var j = 0; j < cells[i].length; j++) {
+			cellDims[i][j] = {
+				left: leftPos + 2,
+				top: topPos + 1,
+				width: cellWidths[j] - 9,
+				height: cellHeights[i] - 8,
+				border: false,
+				offset: [-40, 0.5 * (cellHeights[i] - 8) - 20],
+				fontSize: fontSize,
+				leftPoint: paddingH,
+				textColor: textColor,
+				textAlign: horizAlign,
+				fontSize: fontSize
+			};
+			if (cells[i][j].highlight == true) {
+				if (typeof cells[i][j].color == 'undefined' || cells[i][j].color !== 'none') {
+					ctx.fillStyle = colorA(invertColor(cells[i][j].color), alpha);
+				} else {
+					ctx.fillStyle = colorA(invertColor('#FFC'), alpha);
+				}
+				ctx.fillRect(leftPos, topPos, cellWidths[j], cellHeights[i]);
+			} else if (typeof cells[i][j].color == 'undefined' || cells[i][j].color !== 'none') {
+				ctx.fillStyle = colorA(cells[i][j].color, alpha);
+				ctx.fillRect(leftPos, topPos, cellWidths[j], cellHeights[i]);
+			}
+			/*if (horizAlign == 'left') {
+			var dims = drawMathsText(ctx,cells[i][j].text,fontSize,leftPos+minCellPadding,topPos+0.5*cellHeights[i],false,[],horizAlign,'middle',textColor);
+			} else if (horizAlign == 'center') {
+			var dims = drawMathsText(ctx,cells[i][j].text,fontSize,leftPos+0.5*cellWidths[j],topPos+0.5*cellHeights[i],false,[],horizAlign,'middle',textColor);
+			} else if (horizAlign == 'right') {
+			var dims = drawMathsText(ctx,cells[i][j].text,fontSize,leftPos+cellWidths[j]-minCellPadding,topPos+0.5*cellHeights[i],false,[],horizAlign,'middle',textColor);
+			}*/
+			var align = horizAlign;
+			if (!un(cells[i][j].align))
+				align = cells[i][j].align;
+			var cellText = text({
+					ctx: ctx,
+					left: leftPos + paddingH,
+					top: topPos + paddingV,
+					width: cellWidths[j] - 2 * paddingH,
+					height: cellHeights[i] - 2 * paddingV,
+					textArray: cells[i][j].text,
+					textAlign: align,
+					vertAlign: 'middle',
+					padding: 0.001,
+					box: cells[i][j].box,
+					sf: sf
+					//box:{type:'tight'}
+				});
+			//console.log(cellText.tightRect[2],cellText.tightRect[3]);
+			leftPos += cellWidths[j];
+		}
+		topPos += cellHeights[i];
+	}
+
+	// draw inner border
+	if (innerBorder.show == true) {
+		ctx.strokeStyle = innerBorder.color;
+		ctx.lineWidth = innerBorder.width;
+		if (!ctx.setLineDash) {
+			ctx.setLineDash = function () {}
+		}
+		ctx.setLineDash(innerBorder.dash);
+		var leftPos = left;
+		for (var i = 0; i < cellWidths.length - 1; i++) {
+			leftPos += cellWidths[i];
+			ctx.beginPath();
+			ctx.moveTo(leftPos, top);
+			ctx.lineTo(leftPos, top + totalHeight);
+			ctx.stroke();
+		}
+		var topPos = top;
+		for (var i = 0; i < cellHeights.length - 1; i++) {
+			topPos += cellHeights[i];
+			ctx.beginPath();
+			ctx.moveTo(left, topPos);
+			ctx.lineTo(left + totalWidth, topPos);
+			ctx.stroke();
+		}
+	}
+
+	// draw outer border
+	if (outerBorder.show == true) {
+		ctx.strokeStyle = outerBorder.color;
+		ctx.lineWidth = outerBorder.width;
+		if (!ctx.setLineDash) {
+			ctx.setLineDash = function () {}
+		}
+		ctx.setLineDash(outerBorder.dash);
+		ctx.beginPath();
+		ctx.strokeRect(left, top, totalWidth, totalHeight);
+	}
+
+	ctx.restore();
+
+	return {
+		cell: cellDims,
+		xPos: horizPos,
+		yPos: vertPos
+	};
+}
+function drawTable3(object) {
+	var sf = typeof object.sf !== 'undefined' ? object.sf : 1;
+	var ctx = object.ctx || object._ctx || object.context;
+	var left = object.left * sf;
+	var top = object.top * sf;
+	var cells = object.cells;
+
+	var widths = clone(object.widths);
+	var heights = clone(object.heights);
+	if (sf !== 1) {
+		for (var w = 0; w < widths.length; w++) widths[w] = widths[w] * sf;
+		for (var h = 0; h < heights.length; h++) heights[h] = heights[h] * sf;
+	}
+	var minCellPadding = object.minCellPadding * sf || 0;
+	var paddingH = minCellPadding;
+	var paddingV = minCellPadding;
+	if (typeof object.paddingH == 'number') paddingH = object.paddingH * sf;
+	if (typeof object.paddingV == 'number') paddingV = object.paddingV * sf;
+	//var innerPaddingH = !un(obj.innerPaddingH) ? obj.innerPaddingH*sf : 0;
+	//var innerPaddingV = !un(obj.innerPaddingV) ? obj.innerPaddingV*sf : 0;
+	var horizAlign = object.horizAlign || object.align || 'center';
+	var alpha = typeof object.alpha == 'number' ? object.alpha : 1;
+	var lineJoin = object.lineJoin || object.lineCap || 'round';
+	var lineCap = object.lineCap || object.lineJoin || 'round';
+	var outerBorder = {};
+	if (typeof object.outerBorder == 'object') {
+		outerBorder.show = boolean(object.outerBorder.show, true);
+		outerBorder.width = object.outerBorder.width * sf || 4 * sf;
+		if (typeof object.outerBorder.color == 'undefined') {
+			outerBorder.color = colorA('#000', alpha);
+		} else {
+			outerBorder.color = colorA(object.outerBorder.color, alpha);
+		}
+		outerBorder.dash = object.outerBorder.dash || [];
+		outerBorder.radius = object.outerBorder.radius*sf || 0;
+	} else {
+		outerBorder.show = true;
+		outerBorder.width = 4 * sf;
+		outerBorder.color = colorA('#000', alpha);
+		outerBorder.dash = [];
+		outerBorder.radius = 0;
+	}
+	outerBorder.dash = enlargeDash(outerBorder.dash, sf);
+	var innerBorder = {};
+	if (typeof object.innerBorder == 'object') {
+		innerBorder.show = boolean(object.innerBorder.show, true);
+		innerBorder.width = object.innerBorder.width * sf || 4 * sf;
+		if (typeof object.innerBorder.color == 'undefined') {
+			innerBorder.color = colorA('#000', alpha);
+		} else {
+			innerBorder.color = colorA(object.innerBorder.color, alpha);
+		}
+		innerBorder.dash = object.innerBorder.dash || [];
+		innerBorder.dash = enlargeDash(innerBorder.dash, sf);
+	} else {
+		innerBorder.show = false;
+		/*innerBorder.show = true;
+		innerBorder.width = 4 * sf;
+		innerBorder.color = colorA('#000', alpha);
+		innerBorder.dash = [20, 15];
+		innerBorder.dash = enlargeDash(innerBorder.dash, sf);*/
+	}
+	
+	var tableAlignHoriz = object.tableAlignHoriz || 'center'; // is the whole table centred on [left,top]?
+	var tableAlignVert = object.tableAlignVert || 'middle';
+	if (!un(object.align)) {
+		tableAlignHoriz = object.align[0] == -1 ? 'left' : object.align[0] == 0 ? 'center' : 'right';
+		tableAlignVert = object.align[1] == -1 ? 'top' : object.align[1] == 0 ? 'middle' : 'bottom';
+	}
+	if (typeof object.text == 'object') {
+		var font = object.text.font || 'Arial';
+		var fontSize = object.text.size || 28;
+		var textColor = object.text.color || '#000';
+	} else {
+		var font = 'Arial';
+		var fontSize = 28;
+		var textColor = '#000';
+	}
+	var fracScale = object.fracScale;
+	var algPadding = object.algPadding;
+
+	var totalWidth = arraySum(widths);
+	var totalHeight = arraySum(heights);
+
+	ctx.save();
+	ctx.lineCap = lineCap;
+	ctx.lineJoin = lineJoin;
+
+	var cellDims = [];
+
+	var horizPos = [left];
+	for (var i = 0; i < widths.length; i++) {
+		horizPos.push(horizPos[horizPos.length - 1] + widths[i])
+	}
+
+	var vertPos = [top];
+	for (var i = 0; i < heights.length; i++) {
+		vertPos.push(vertPos[vertPos.length - 1] + heights[i])
+	}
+
+	// color, inner border & text for cells
+	var topPos = top;
+	var cellTextMeasure = [];
+	for (var i = 0; i < cells.length; i++) {
+		var leftPos = left;
+		cellDims[i] = [];
+		var skipCells = 0;
+		cellTextMeasure[i] = [];
+		for (var j = 0; j < cells[i].length; j++) {
+			var cell = cells[i][j];
+			if (skipCells > 0) {
+				skipCells--;
+				continue;
+			}
+			if (un(cell.colSpan)) {
+				var cellWidth = widths[j];
+			} else {
+				var cellWidth = 0;
+				for (var k = j; k < Math.min(j + cell.colSpan, cells[i].length); k++) {
+					cellWidth += widths[k];
+				}
+				skipCells = cell.colSpan - 1;
+			}
+			var cellPaddingH = def([cell.paddingH, cell.padding, paddingH]);
+			var cellPaddingV = def([cell.paddingV, cell.padding, paddingV]);
+			cellDims[i][j] = {
+				left: leftPos,
+				top: topPos,
+				width: cellWidth,
+				height: heights[i],
+				border: false,
+				offset: [-40, 0.5 * (heights[i]) - 20],
+				leftPoint: cellPaddingH,
+			};
+
+			var c1 = (typeof cell.color !== 'undefined' && cell.color !== 'none') ? true : false;
+			var c2 = (!un(cell.box) && cell.box.show == true) ? true : false;
+			var hl = cell.highlight;
+			/*if (!un(object.isInput)) {
+				if (draw.mode == 'interact') {
+					var selected = boolean(cell.toggle, false);
+				} else {
+					var selected = boolean(cell.ans, false);
+				}
+				if (!un(cell.selColors)) {
+					var isInputColor = selected ? cell.selColors[1] : cell.selColors[0];
+				} else if (!un(object.isInput.selColors)) {
+					var isInputColor = selected ? object.isInput.selColors[1] : object.isInput.selColors[0];
+				} else {
+					var isInputColor = selected ? '#66F' : '#CCF';
+				}
+			*/
+
+			if (c2 == true) {
+				var box = cell.box;
+				//var fillColor = isInputColor || box.fillColor || box.color || undefined;
+				var fillColor = box.fillColor || box.color || undefined;
+				var lineColor = box.borderColor || box.lineColor || undefined;
+				if (hl == true) {
+					if (!un(fillColor) && fillColor !== 'none')
+						fillColor = colorA(invertColor(fillColor), alpha);
+					if (!un(lineColor) && lineColor !== 'none')
+						lineColor = colorA(invertColor(lineColor), alpha);
+				}
+				var lineWidth = box.borderWidth || box.lineWidth || box.width || 3;
+				lineWidth = lineWidth * sf;
+				var dash = def([box.dash, []]);
+				var radius = box.borderRadius || box.radius || 0;
+				radius = radius * sf;
+				roundedRect(ctx, leftPos + cellPaddingH, topPos + cellPaddingV, cellWidth - 2 * cellPaddingH, heights[i] - 2 * cellPaddingV, radius, lineWidth, lineColor, fillColor, dash);
+			} else if (c1 == true) {
+				//var fillColor = isInputColor || cell.color;
+				var fillColor = cell.color;
+				if (hl == true) {
+					fillColor = colorA(invertColor(fillColor), alpha);
+				} else {
+					fillColor = colorA(fillColor, alpha);
+				}
+				/*ctx.fillStyle = fillColor;
+				ctx.globalCompositeOperation = 'destination-over'; // draw behind existing content
+				ctx.fillRect(leftPos,topPos,cellWidth,heights[i]);
+				ctx.globalCompositeOperation = 'source-over'; // default*/
+				roundedRect(ctx, leftPos + cellPaddingH, topPos + cellPaddingV, cellWidth - 2 * cellPaddingH, heights[i] - 2 * cellPaddingV, 0, 0, 'none', fillColor);
+			} else {
+				if (hl == true) {
+					ctx.fillStyle = colorA(invertColor(mainCanvasFillStyle), alpha);
+					ctx.globalCompositeOperation = 'destination-over'; // draw behind existing content
+					ctx.fillRect(leftPos, topPos, cellWidth, heights[i]);
+					ctx.globalCompositeOperation = 'source-over'; // default
+				}
+			}
+
+			if (innerBorder.show == true) {
+				ctx.strokeStyle = innerBorder.color;
+				ctx.lineWidth = innerBorder.width;
+				if (un(ctx.setLineDash)) {
+					ctx.setLineDash = function () {}
+				}
+				ctx.setLineDash(innerBorder.dash);
+				ctx.beginPath();
+				if (i > 0) {
+					ctx.moveTo(leftPos, topPos);
+					ctx.lineTo(leftPos + cellWidth, topPos);
+				}
+				if (i < cells.length - 1) {
+					ctx.moveTo(leftPos, topPos + heights[i]);
+					ctx.lineTo(leftPos + cellWidth, topPos + heights[i]);
+				}
+				if (j > 0) {
+					ctx.moveTo(leftPos, topPos);
+					ctx.lineTo(leftPos, topPos + heights[i]);
+				}
+				if (j < cells[i].length - 1 && (un(cell.colSpan) || j + cell.colSpan < cells[i].length - 1)) {
+					ctx.moveTo(leftPos + cellWidth, topPos);
+					ctx.lineTo(leftPos + cellWidth, topPos + heights[i]);
+				}
+				ctx.stroke();
+			}
+
+			if (!un(cell.text)) {
+				var txt = clone(cell.text);
+				var align = [0, 0];
+				if (tableAlignHoriz == 'left') align[0] = -1;
+				if (tableAlignHoriz == 'center') align[0] = 0;
+				if (tableAlignHoriz == 'right') align[0] = 1;
+				if (tableAlignVert == 'top') align[1] = -1;
+				if (tableAlignVert == 'middle') align[1] = 0;
+				if (tableAlignVert == 'bottom') align[1] = 1;
+				if (cell.align == 'left') align[0] = -1;
+				if (cell.align == 'center') align[0] = 0;
+				if (cell.align == 'right') align[0] = 1;
+				if (cell.vertAlign == 'top') align[1] = -1;
+				if (cell.vertAlign == 'middle') align[1] = 0;
+				if (cell.vertAlign == 'bottom') align[1] = 1;
+				if (typeof cell.align == 'object') align = cell.align;
+				var font2 = def([cell.font, font]);
+				var fontSize2 = def([cell.fontSize, fontSize]);
+				var textColor2 = def([cell.textColor, textColor]);
+				var italic2 = def([cell.italic, false]);
+				var bold2 = def([cell.bold, false]);
+				var paddingH2 = def([cell.paddingH, cell.padding, paddingH]);
+				var paddingV2 = def([cell.paddingV, cell.padding, paddingV]);
+				var fracScale = def([cell.fracScale, fracScale]);
+				var algPadding = def([cell.algPadding, algPadding]);
+				var marginLeft = def([cell.marginLeft, object.marginLeft, 0]);
+				var marginRight = def([cell.marginRight, object.marginRight, 0]);
+				var lineSpacingFactor = def([cell.lineSpacingFactor, object.lineSpacingFactor, 1.2]);
+				var lineSpacingStyle = def([cell.lineSpacingStyle, cell.spacingStyle, object.lineSpacingStyle, object.spacingStyle, "variable"]);
+				
+				var backgroundColor = typeof cell.color !== 'undefined' && cell.color !== 'none' ? cell.color : '#FFF';
+				var box = clone(cell.box);
+				
+				if (!un(box) && typeof isInputColor !== 'undefined') box.color = isInputColor;
+
+				cellTextMeasure[i][j] = text({
+					ctx: ctx,
+					rect: [leftPos + paddingH2, topPos + paddingV2, cellWidth - 2 * paddingH2, heights[i] - 2 * paddingV2],
+					text: txt,
+					box: box,
+					sf: sf,
+					align: align,
+					font: font2,
+					fontSize: fontSize2,
+					color: textColor2,
+					italic: italic2,
+					bold: bold2,
+					selected: hl,
+					backgroundColor: backgroundColor,
+					fracScale:fracScale,
+					algPadding:algPadding,
+					marginLeft:marginLeft,
+					marginRight:marginRight,
+					lineSpacingFactor:lineSpacingFactor,
+					lineSpacingStyle:lineSpacingStyle
+				});
+			}
+
+			leftPos += cellWidth;
+		}
+		topPos += heights[i];
+	}
+
+	// draw outer border
+	if (outerBorder.show == true) {
+		/*ctx.strokeStyle = outerBorder.color;
+		ctx.lineWidth = outerBorder.width;
+		if (un(ctx.setLineDash)) {
+			ctx.setLineDash = function () {}
+		}
+		ctx.setLineDash(outerBorder.dash);
+		ctx.beginPath();
+		ctx.strokeRect(left, top, totalWidth, totalHeight);*/
+		var color = outerBorder.color || '#000';
+		var width = outerBorder.width || 4;
+		var radius = outerBorder.radius || 0;
+		var dash = outerBorder.dash || [0,0];
+		roundedRect(ctx,left,top,totalWidth,totalHeight,radius,width,color,'none',dash)
+	}
+
+	ctx.restore();
+
+	return {
+		cellTextMeasure: cellTextMeasure,
+		cell: cellDims,
+		xPos: horizPos,
+		yPos: vertPos
+	};
+}
+function createScrollTable(object) {
+	var left = object.left;
+	var top = object.top;
+	var z = object.z || object.zIndex || 2;
+
+	var padding = 2; // padding for canvas
+	var fullRect = [0, 0, 100, 100];
+	var visRect = [left, top, 100, 100];
+	var topRowRect = [left, top, 100, 100];
+	var scrollRect = [left, top, 25, 10];
+
+	var ctxVis = newctx({
+			rect: visRect,
+			z: z
+		});
+	var ctxTopRow = newctx({
+			rect: topRowRect,
+			z: z
+		});
+	var ctxInvis = newctx({
+			rect: fullRect,
+			vis: false
+		});
+
+	var topRowFreeze = boolean(object.topRowFreeze, true);
+
+	var scrollMax = 10;
+	var scrollDiff = 5;
+
+	var scroll = createScroller({
+			rect: scrollRect,
+			max: scrollMax,
+			zIndex: z,
+			funcMove: function (value) {
+				this.table.scrollPos = (value / this.table.scrollMax) * this.table.scrollDiff;
+				this.table.redraw();
+			},
+			funcStop: function (value) {
+				this.table.scrollPos = (value / this.table.scrollMax) * this.table.scrollDiff;
+				this.table.redraw();
+			}
+		});
+
+	if (!un(object.funcMove)) {
+		ctxVis.canvas.style.pointerEvents = 'auto';
+		ctxVis.data[6] = true;
+		ctxVis.data[106] = true;
+		addListenerMove(ctxVis.canvas, function (e) {
+			updateMouse(e);
+			var r = -1,
+			c = -1;
+			for (var x = 0; x < this.table.xPos.length - 1; x++) {
+				if (mouse.x >= this.table.xPos[x] + this.table.ctxVis.data[100] && mouse.x <= this.table.xPos[x + 1] + this.table.ctxVis.data[100]) {
+					c = x;
+					break;
+				}
+			}
+			if (this.table.topRowFreeze && mouse.y <= this.table.yPos[1] + this.table.ctxVis.data[101]) {
+				r = 0;
+			} else {
+				for (var y = 0; y < this.table.yPos.length - 1; y++) {
+					if (mouse.y + this.table.scrollPos >= this.table.yPos[y] + this.table.ctxVis.data[101] && mouse.y + this.table.scrollPos <= this.table.yPos[y + 1] + this.table.ctxVis.data[101]) {
+						r = y;
+						break;
+					}
+				}
+			}
+			this.table.funcMove(r, c);
+		});
+	} else {
+		object.funcMove = function () {};
+	}
+	if (!un(object.funcClick)) {
+		ctxVis.canvas.style.pointerEvents = 'auto';
+		ctxVis.data[6] = true;
+		ctxVis.data[106] = true;
+		addListener(ctxVis.canvas, function (e) {
+			updateMouse(e);
+			var r = -1,
+			c = -1,
+			xProp = 0,
+			yProp = 0;
+			for (var x = 0; x < this.table.xPos.length - 1; x++) {
+				if (mouse.x >= this.table.xPos[x] + this.table.ctxVis.data[100] && mouse.x <= this.table.xPos[x + 1] + this.table.ctxVis.data[100]) {
+					c = x;
+					xProp = (mouse.x - (this.table.xPos[x] + this.table.ctxVis.data[100])) / (this.table.xPos[x + 1] - this.table.xPos[x]);
+					break;
+				}
+			}
+			if (this.table.topRowFreeze && mouse.y <= this.table.yPos[1] + this.table.ctxVis.data[101]) {
+				r = 0;
+			} else {
+				for (var y = 0; y < this.table.yPos.length - 1; y++) {
+					if (mouse.y + this.table.scrollPos >= this.table.yPos[y] + this.table.ctxVis.data[101] && mouse.y + this.table.scrollPos <= this.table.yPos[y + 1] + this.table.ctxVis.data[101]) {
+						r = y;
+						yProp = (mouse.y - (this.table.yPos[y] + this.table.ctxVis.data[101])) / (this.table.yPos[y + 1] - this.table.yPos[y]);
+						break;
+					}
+				}
+			}
+			this.table.funcClick(r, c, xProp, yProp);
+		});
+	} else {
+		object.funcClick = function () {};
+	}
+
+	object.ctxVis = ctxVis;
+	object.ctxInvis = ctxInvis;
+	object.ctxTopRow = ctxTopRow;
+	object.padding = padding;
+	object.scroller = scroll;
+	object.scrollPos = 0;
+	object.scrollMax = scrollMax;
+	object.scrollDiff = scrollDiff;
+	object.topRowFreeze = topRowFreeze;
+	object.redraw = function () {
+		this.ctxVis.clearRect(0, 0, this.ctxVis.canvas.data[102], this.ctxVis.canvas.data[103]);
+		this.ctxVis.drawImage(this.ctxInvis.canvas, 0, -this.scrollPos);
+	};
+
+	object.scroller.table = object;
+	object.ctxVis.canvas.table = object;
+
+	if (!un(object.additionalDraw)) {
+		object.additionalDraw();
+	}
+	object.refreshCells = function () {
+		var sf = def([this.sf, 1]);
+
+		var left = this.left * sf;
+		var top = this.top * sf;
+		var cells = this.cells;
+		var z = this.z || this.zIndex || 2;
+
+		var minCellWidth = this.minCellWidth * sf || 80 * sf;
+		var maxCellWidth = this.maxCellWidth * sf || Math.max(1200 * sf, this.minCellWidth * sf);
+		var minCellHeight = this.minCellHeight * sf || 100 * sf;
+		var minCellPadding = this.minCellPadding * sf || 7 * sf;
+		var paddingH = minCellPadding;
+		var paddingV = minCellPadding;
+		if (typeof this.paddingH == 'number')
+			paddingH = this.paddingH * sf;
+		if (typeof this.paddingV == 'number')
+			paddingV = this.paddingV * sf;
+		var horizAlign = this.horizAlign || this.align || 'center';
+		if (typeof this.text == 'this') {
+			var font = this.text.font || 'Arial';
+			var fontSize = this.text.size || 32;
+			var textColor = this.text.color || '#000';
+		} else {
+			var font = 'Arial';
+			var fontSize = 32;
+			var textColor = '#000';
+		}
+		if (typeof this.alpha == 'number') {
+			var alpha = this.alpha;
+		} else {
+			var alpha = 1;
+		}
+		var lineJoin = this.lineJoin || this.lineCap || 'round';
+		var lineCap = this.lineCap || this.lineJoin || 'round';
+		var outerBorder = {};
+		if (typeof this.outerBorder == 'object') {
+			outerBorder.show = boolean(this.outerBorder.show, true);
+			outerBorder.width = this.outerBorder.width * sf || 4 * sf;
+			if (typeof this.outerBorder.color == 'undefined') {
+				outerBorder.color = colorA('#000', alpha);
+			} else {
+				outerBorder.color = colorA(this.outerBorder.color, alpha);
+			}
+			outerBorder.dash = this.outerBorder.dash || [];
+		} else {
+			outerBorder.show = true;
+			outerBorder.width = 4 * sf;
+			outerBorder.color = colorA('#000', alpha);
+			outerBorder.dash = [];
+		}
+		outerBorder.dash = enlargeDash(outerBorder.dash, sf);
+		var innerBorder = {};
+		if (typeof this.innerBorder == 'object') {
+			innerBorder.show = boolean(this.innerBorder.show, true);
+			innerBorder.width = this.innerBorder.width * sf || 4 * sf;
+			if (typeof this.innerBorder.color == 'undefined') {
+				innerBorder.color = colorA('#000', alpha);
+			} else {
+				innerBorder.color = colorA(this.innerBorder.color, alpha);
+			}
+			innerBorder.dash = this.innerBorder.dash || [];
+		} else {
+			innerBorder.show = true;
+			innerBorder.width = 4 * sf;
+			innerBorder.color = colorA('#000', alpha);
+			innerBorder.dash = [20, 15];
+		}
+		innerBorder.dash = enlargeDash(innerBorder.dash, sf);
+		var tableAlignHoriz = this.tableAlignHoriz || 'left'; // is the whole table centred on [left,top]?
+		var tableAlignVert = this.tableAlignVert || 'top';
+
+		var numRows = cells.length;
+		var numCols = 0;
+		for (var i = 0; i < cells.length; i++) {
+			numCols = Math.max(cells[i].length, numCols);
+		}
+		var cellHeights = [];
+		for (var i = 0; i < numRows; i++) {
+			cellHeights[i] = minCellHeight;
+		}
+		var cellWidths = [];
+		for (var j = 0; j < numCols; j++) {
+			cellWidths[j] = minCellWidth;
+		}
+		var totalWidth = 0;
+		var totalHeight = 0;
+
+		var cellHeights = [];
+		for (var i = 0; i < numRows; i++) {
+			cellHeights[i] = minCellHeight;
+		}
+		var cellWidths = [];
+		for (var j = 0; j < numCols; j++) {
+			cellWidths[j] = minCellWidth;
+		}
+		var totalWidth = 0;
+		var totalHeight = 0;
+
+		if (typeof hiddenCanvas == 'undefined') {
+			var hiddenCanvas = document.createElement('canvas');
+			hiddenCanvas.width = mainCanvasWidth * sf;
+			hiddenCanvas.height = mainCanvasHeight * sf;
+			hiddenCanvas.ctx = hiddenCanvas.getContext('2d');
+		}
+
+		for (var r = 0; r < cells.length; r++) {
+			var maxHeight = minCellHeight;
+			for (var c = 0; c < cells[r].length; c++) {
+				if (typeof cells[r][c] == 'this') {
+					if (typeof cells[r][c].text !== 'this') {
+						cells[r][c].text = [];
+					} else {
+						cells[r][c].text = clone(cells[r][c].text);
+					}
+					if (typeof cells[r][c].color !== 'string')
+						cells[r][c].color = 'none';
+					if (typeof cells[r][c].minWidth !== 'number')
+						cells[r][c].minWidth = 0;
+					if (typeof cells[r][c].minHeight !== 'number')
+						cells[r][c].minHeight = 0;
+					var font2 = font;
+					var fontSize2 = fontSize;
+					var textColor2 = textColor;
+					if (!un(cells[r][c].font))
+						font2 = cells[r][c].font;
+					if (!un(cells[r][c].fontSize))
+						fontSize2 = cells[r][c].fontSize;
+					if (!un(cells[r][c].textColor))
+						textColor2 = cells[r][c].textColor;
+					if (un(cells[r][c].styled)) {
+						cells[r][c].text.unshift('<<font:' + font2 + '>><<fontSize:' + fontSize2 + '>><<color:' + textColor2 + '>>');
+						cells[r][c].styled = true;
+					}
+					//var dims = drawMathsText(ctx,cells[r][c].text,fontSize,0,0,false,[],horizAlign,'middle',text.color,'measure');
+					//maxHeight = Math.max(dims[1]+2*minCellPadding,cells[r][c].minHeight,maxHeight);
+					//cellWidths[c] = Math.max(dims[0]+2*minCellPadding,cells[r][c].minWidth,cellWidths[c]);
+
+					var cellText = text({
+							ctx: hiddenCanvas.ctx,
+							left: 0,
+							top: 0,
+							width: maxCellWidth,
+							textArray: cells[r][c].text,
+							minTightWidth: 5,
+							minTightHeight: 5,
+							box: cells[r][c].box,
+							sf: sf
+						});
+					maxHeight = Math.max(cellText.tightRect[3] + 2 * paddingV, cells[r][c].minHeight * sf, maxHeight);
+					cellWidths[c] = Math.max(cellText.tightRect[2] + 3 * paddingH, cells[r][c].minWidth * sf, cellWidths[c]);
+				}
+			}
+			cellHeights[r] = Math.max(maxHeight, cellHeights[r]);
+			totalHeight += cellHeights[r];
+		}
+		for (var j = 0; j < cellWidths.length; j++) {
+			totalWidth += cellWidths[j];
+		}
+
+		if (tableAlignHoriz == 'center') {
+			left = left - totalWidth / 2;
+		} else if (tableAlignHoriz == 'right') {
+			left = left - totalWidth;
+		}
+
+		if (tableAlignVert == 'middle') {
+			top = top - totalHeight / 2;
+		} else if (tableAlignVert == 'bottom') {
+			top = top - totalHeight;
+		}
+
+		var maxHeight = this.maxHeight;
+		var padding = def([this.padding, this.outerBorder.width / 2]); // padding for canvas
+		if (totalHeight + 2 * padding < maxHeight) {
+			var hasScroll = true;
+		} else {
+			var hasScroll = false;
+		}
+		var fullRect = [0, 0, totalWidth + 2 * padding, totalHeight + 2 * padding];
+		var visRect = [left, top, totalWidth + 2 * padding, maxHeight];
+		var topRowRect = [left, top, totalWidth + 2 * padding, maxHeight];
+		var scrollRect = [left + totalWidth + 4 * padding, top, 25, maxHeight];
+
+		var ctxInvis = this.ctxInvis;
+		var ctxVis = this.ctxVis;
+		var ctxTopRow = this.ctxTopRow;
+		ctxInvis.data[102] = fullRect[2];
+		ctxInvis.canvas.width = fullRect[2];
+		ctxInvis.data[103] = fullRect[3];
+		ctxInvis.canvas.height = fullRect[3];
+		ctxVis.data[100] = visRect[0];
+		ctxVis.data[101] = visRect[1];
+		ctxVis.data[102] = visRect[2];
+		ctxVis.canvas.width = visRect[2];
+		ctxVis.data[103] = visRect[3];
+		ctxVis.canvas.height = visRect[3];
+		ctxTopRow.data[100] = topRowRect[0];
+		ctxTopRow.data[101] = topRowRect[1];
+		ctxTopRow.data[102] = topRowRect[2];
+		ctxTopRow.canvas.width = topRowRect[2];
+		ctxTopRow.data[103] = topRowRect[3];
+		ctxTopRow.canvas.height = topRowRect[3];
+		resizeCanvas(ctxInvis.canvas, 0, 0, fullRect[2], fullRect[3]);
+		resizeCanvas(ctxVis.canvas, visRect[0], visRect[1], visRect[2], visRect[3]);
+		resizeCanvas(ctxTopRow.canvas, topRowRect[0], topRowRect[1], topRowRect[2], topRowRect[3]);
+		ctxInvis.clear();
+		ctxVis.clear();
+		ctxTopRow.clear();
+
+		var left = padding;
+		var top = padding;
+
+		ctxInvis.save();
+		ctxInvis.lineCap = lineCap;
+		ctxInvis.lineJoin = lineJoin;
+
+		var cellDims = [];
+
+		var horizPos = [left];
+		for (var i = 0; i < cellWidths.length; i++) {
+			horizPos.push(horizPos[horizPos.length - 1] + cellWidths[i])
+		}
+
+		var vertPos = [top];
+		for (var i = 0; i < cellHeights.length; i++) {
+			vertPos.push(vertPos[vertPos.length - 1] + cellHeights[i])
+		}
+
+		// write text to each cell
+		var topPos = top;
+		for (var i = 0; i < cells.length; i++) {
+			var leftPos = left;
+			cellDims[i] = [];
+			for (var j = 0; j < cells[i].length; j++) {
+				cellDims[i][j] = {
+					left: leftPos + 2,
+					top: topPos + 1,
+					width: cellWidths[j] - 9,
+					height: cellHeights[i] - 8,
+					border: false,
+					offset: [-40, 0.5 * (cellHeights[i] - 8) - 20],
+					fontSize: fontSize,
+					leftPoint: paddingH,
+					textColor: textColor,
+					textAlign: horizAlign,
+					fontSize: fontSize
+				};
+				if (cells[i][j].highlight == true) {
+					if (typeof cells[i][j].color !== 'undefined' && cells[i][j].color !== 'none') {
+						ctxInvis.fillStyle = colorA(invertColor(cells[i][j].color), alpha);
+					} else {
+						ctxInvis.fillStyle = colorA(invertColor('#FFC'), alpha);
+					}
+					ctxInvis.fillRect(leftPos, topPos, cellWidths[j], cellHeights[i]);
+				} else if (typeof cells[i][j].color !== 'undefined' && cells[i][j].color !== 'none') {
+					ctxInvis.fillStyle = colorA(cells[i][j].color, alpha);
+					ctxInvis.fillRect(leftPos, topPos, cellWidths[j], cellHeights[i]);
+				}
+				var align = horizAlign;
+				if (!un(cells[i][j].align))
+					align = cells[i][j].align;
+				var cellText = text({
+						ctx: ctxInvis,
+						left: leftPos + paddingH,
+						top: topPos + paddingV,
+						width: cellWidths[j] - 2 * paddingH,
+						height: cellHeights[i] - 2 * paddingV,
+						textArray: cells[i][j].text,
+						textAlign: align,
+						vertAlign: 'middle',
+						padding: 0.001,
+						box: cells[i][j].box,
+						sf: sf
+					});
+				/*console.log(cellText.tightRect[2],cellText.tightRect[3],{
+				ctx:ctxInvis,
+				left:leftPos+paddingH,
+				top:topPos+paddingV,
+				width:cellWidths[j]-2*paddingH,
+				height:cellHeights[i]-2*paddingV,
+				textArray:cells[i][j].text,
+				textAlign:align,
+				vertAlign:'middle',
+				padding:0.001,
+				box:cells[i][j].box,
+				sf:sf
+				});*/
+				leftPos += cellWidths[j];
+			}
+			topPos += cellHeights[i];
+		}
+
+		// draw inner border
+		if (innerBorder.show == true) {
+			ctxInvis.strokeStyle = innerBorder.color;
+			ctxInvis.lineWidth = innerBorder.width;
+			if (!ctxInvis.setLineDash) {
+				ctxInvis.setLineDash = function () {}
+			}
+			ctxInvis.setLineDash(innerBorder.dash);
+			var leftPos = left;
+			for (var i = 0; i < cellWidths.length - 1; i++) {
+				leftPos += cellWidths[i];
+				ctxInvis.beginPath();
+				ctxInvis.moveTo(leftPos, top);
+				ctxInvis.lineTo(leftPos, top + totalHeight);
+				ctxInvis.stroke();
+			}
+			var topPos = top;
+			for (var i = 0; i < cellHeights.length - 1; i++) {
+				topPos += cellHeights[i];
+				ctxInvis.beginPath();
+				ctxInvis.moveTo(left, topPos);
+				ctxInvis.lineTo(left + totalWidth, topPos);
+				ctxInvis.stroke();
+			}
+		}
+
+		// draw outer border
+		if (outerBorder.show == true) {
+			ctxInvis.strokeStyle = outerBorder.color;
+			ctxInvis.lineWidth = outerBorder.width;
+			if (!ctxInvis.setLineDash) {
+				ctxInvis.setLineDash = function () {}
+			}
+			ctxInvis.setLineDash(outerBorder.dash);
+			ctxInvis.beginPath();
+			ctxInvis.strokeRect(left, top, totalWidth, totalHeight);
+		}
+
+		ctxInvis.restore();
+
+		this.cell = cellDims;
+		this.xPos = horizPos;
+		this.yPos = vertPos;
+
+		if (!un(this.additionalDraw)) {
+			this.additionalDraw();
+		}
+
+		//this.scroller.max = totalHeight/maxHeight;
+		//this.scroller.rect = scrollRect;
+		this.scroller.reposition(totalHeight / maxHeight, scrollRect);
+		setScrollerValue(this.scroller, 0, true);
+		this.scrollPos = 0;
+		this.scrollMax = scrollMax;
+		this.scrollDiff = totalHeight - maxHeight + 2 * padding;
+
+		this.redraw();
+
+		if (totalHeight + 2 * padding > this.maxHeight) {
+			this.hasScroll = true;
+			//this.scrollPos = 0;
+			//this.scrollMax = totalHeight/maxHeight;
+			//this.scrollDiff = totalHeight-maxHeight+2*padding;
+			//this.scroller.max = totalHeight/maxHeight;
+			//this.scroller.value = 0;
+			//this.scroller = updateScrollerDims(this.scroller);
+			showScroller(this.scroller);
+			if (this.topRowFreeze) {
+				showObj(ctxTopRow.canvas);
+				ctxTopRow.data[3] = ctxTopRow.data[103] = padding + vertPos[1];
+				ctxTopRow.canvas.width = ctxTopRow.data[102];
+				ctxTopRow.canvas.height = ctxTopRow.data[103];
+				resize();
+				ctxTopRow.drawImage(ctxInvis.canvas, 0, 0);
+			} else {
+				hideObj(ctxTopRow.canvas);
+			}
+		} else {
+			this.hasScroll = false;
+			hideScroller(this.scroller);
+			hideObj(ctxTopRow.canvas);
+		}
+	}
+	object.refreshCells();
+
+	object.move = function (left, top) {
+		var relLeft = this.scroller.rect[0] - this.ctxVis.canvas.data[100];
+		this.left = left;
+		this.top = top;
+		this.ctxVis.canvas.data[100] = left;
+		this.ctxVis.canvas.data[101] = top;
+		resizeCanvas3(this.ctxVis.canvas);
+		this.ctxTopRow.canvas.data[100] = left;
+		this.ctxTopRow.canvas.data[101] = top;
+		resizeCanvas3(this.ctxTopRow.canvas);
+		this.scroller.rect[0] = left + relLeft;
+		this.scroller.rect[1] = top;
+		this.scroller.reposition();
+	}
+
+	return object;
+}
+function drawScrollTable(object) {
+	/* EXAMPLE USAGE:
+	var j0001table1 = drawScrollTable({
+	left:100,
+	top:150,
+	minCellWidth:80,
+	minCellHeight:50,
+	horizAlign:'center',
+	text:{font:'Arial',size:32,color:'#000'},
+	outerBorder:{show:true,width:4,color:'#000'},
+	innerBorder:{show:true,width:2,color:'#666'},
+	cells:[
+	[    // row 0{text:['<<fontSize:36>><<font:algebra>>x'],color:'#CCF',minWidth:100,minHeight:70},{text:['<<fontSize:36>><<font:algebra>>y'],color:'#CCF',minWidth:100,minHeight:70},{text:['<<fontSize:36>><<font:algebra>><<color:#F00>>z'],color:'#CCF',minWidth:100,minHeight:70},
+	], [ // row 1{},{text:['2']},{text:['<<color:#F00>>3']},
+	], [ // row 2{text:['4']},{},{text:['<<color:#F00>>6']},
+	],
+	],
+	maxHeight:300,
+	moveFunc:function(r,c) {console.log(r,c)),
+	clickFunc:function(r,c) {console.log(r,c)),
+	padding:2 // def: outerBorder.width/2
+	});
+	 */
+
+	if (typeof object.sf !== 'undefined') {
+		var sf = object.sf;
+	} else {
+		var sf = 1;
+	}
+
+	var left = object.left * sf;
+	var top = object.top * sf;
+	var cells = object.cells;
+	var z = object.z || object.zIndex || 2;
+
+	var minCellWidth = object.minCellWidth * sf || 80 * sf;
+	var maxCellWidth = object.maxCellWidth * sf || Math.max(1200 * sf, object.minCellWidth * sf);
+	var minCellHeight = object.minCellHeight * sf || 100 * sf;
+	var minCellPadding = object.minCellPadding * sf || 7 * sf;
+	var paddingH = minCellPadding;
+	var paddingV = minCellPadding;
+	if (typeof object.paddingH == 'number')
+		paddingH = object.paddingH * sf;
+	if (typeof object.paddingV == 'number')
+		paddingV = object.paddingV * sf;
+	var horizAlign = object.horizAlign || object.align || 'center';
+	if (typeof object.text == 'object') {
+		var font = object.text.font || 'Arial';
+		var fontSize = object.text.size || 32;
+		var textColor = object.text.color || '#000';
+	} else {
+		var font = 'Arial';
+		var fontSize = 32;
+		var textColor = '#000';
+	}
+	if (typeof object.alpha == 'number') {
+		var alpha = object.alpha;
+	} else {
+		var alpha = 1;
+	}
+	var lineJoin = object.lineJoin || object.lineCap || 'round';
+	var lineCap = object.lineCap || object.lineJoin || 'round';
+	var outerBorder = {};
+	if (typeof object.outerBorder == 'object') {
+		outerBorder.show = boolean(object.outerBorder.show, true);
+		outerBorder.width = object.outerBorder.width * sf || 4 * sf;
+		if (typeof object.outerBorder.color == 'undefined') {
+			outerBorder.color = colorA('#000', alpha);
+		} else {
+			outerBorder.color = colorA(object.outerBorder.color, alpha);
+		}
+		outerBorder.dash = object.outerBorder.dash || [];
+	} else {
+		outerBorder.show = true;
+		outerBorder.width = 4 * sf;
+		outerBorder.color = colorA('#000', alpha);
+		outerBorder.dash = [];
+	}
+	outerBorder.dash = enlargeDash(outerBorder.dash, sf);
+	var innerBorder = {};
+	if (typeof object.innerBorder == 'object') {
+		innerBorder.show = boolean(object.innerBorder.show, true);
+		innerBorder.width = object.innerBorder.width * sf || 4 * sf;
+		if (typeof object.innerBorder.color == 'undefined') {
+			innerBorder.color = colorA('#000', alpha);
+		} else {
+			innerBorder.color = colorA(object.innerBorder.color, alpha);
+		}
+		innerBorder.dash = object.innerBorder.dash || [];
+	} else {
+		innerBorder.show = true;
+		innerBorder.width = 4 * sf;
+		innerBorder.color = colorA('#000', alpha);
+		innerBorder.dash = [20, 15];
+	}
+	innerBorder.dash = enlargeDash(innerBorder.dash, sf);
+	var tableAlignHoriz = object.tableAlignHoriz || 'left'; // is the whole table centred on [left,top]?
+	var tableAlignVert = object.tableAlignVert || 'top';
+
+	var numRows = cells.length;
+	var numCols = 0;
+	for (var i = 0; i < cells.length; i++) {
+		numCols = Math.max(cells[i].length, numCols);
+	}
+	var cellHeights = [];
+	for (var i = 0; i < numRows; i++) {
+		cellHeights[i] = minCellHeight;
+	}
+	var cellWidths = [];
+	for (var j = 0; j < numCols; j++) {
+		cellWidths[j] = minCellWidth;
+	}
+	var totalWidth = 0;
+	var totalHeight = 0;
+	//calcTableDims(object);
+
+	if (typeof hiddenCanvas == 'undefined') {
+		var hiddenCanvas = document.createElement('canvas');
+		hiddenCanvas.width = mainCanvasWidth * sf;
+		hiddenCanvas.height = mainCanvasHeight * sf;
+		hiddenCanvas.ctx = hiddenCanvas.getContext('2d');
+	}
+
+	for (var r = 0; r < cells.length; r++) {
+		var maxHeight = minCellHeight;
+		for (var c = 0; c < cells[r].length; c++) {
+			if (typeof cells[r][c] == 'object') {
+				if (typeof cells[r][c].text !== 'object') {
+					cells[r][c].text = [];
+				} else {
+					cells[r][c].text = clone(cells[r][c].text);
+				}
+				if (typeof cells[r][c].color !== 'string')
+					cells[r][c].color = 'none';
+				if (typeof cells[r][c].minWidth !== 'number')
+					cells[r][c].minWidth = 0;
+				if (typeof cells[r][c].minHeight !== 'number')
+					cells[r][c].minHeight = 0;
+				var font2 = font;
+				var fontSize2 = fontSize;
+				var textColor2 = textColor;
+				if (!un(cells[r][c].font))
+					font2 = cells[r][c].font;
+				if (!un(cells[r][c].fontSize))
+					fontSize2 = cells[r][c].fontSize;
+				if (!un(cells[r][c].textColor))
+					textColor2 = cells[r][c].textColor;
+				if (un(cells[r][c].styled)) {
+					cells[r][c].text.unshift('<<font:' + font2 + '>><<fontSize:' + fontSize2 + '>><<color:' + textColor2 + '>>');
+					cells[r][c].styled = true;
+				}
+				//var dims = drawMathsText(ctx,cells[r][c].text,fontSize,0,0,false,[],horizAlign,'middle',text.color,'measure');
+				//maxHeight = Math.max(dims[1]+2*minCellPadding,cells[r][c].minHeight,maxHeight);
+				//cellWidths[c] = Math.max(dims[0]+2*minCellPadding,cells[r][c].minWidth,cellWidths[c]);
+
+				var cellText = text({
+						ctx: hiddenCanvas.ctx,
+						left: 0,
+						top: 0,
+						width: maxCellWidth,
+						textArray: cells[r][c].text,
+						minTightWidth: 5,
+						minTightHeight: 5,
+						box: cells[r][c].box,
+						sf: sf
+					});
+				maxHeight = Math.max(cellText.tightRect[3] + 2 * paddingV, cells[r][c].minHeight * sf, maxHeight);
+				cellWidths[c] = Math.max(cellText.tightRect[2] + 3 * paddingH, cells[r][c].minWidth * sf, cellWidths[c]);
+			}
+		}
+		cellHeights[r] = Math.max(maxHeight, cellHeights[r]);
+		totalHeight += cellHeights[r];
+	}
+	for (var j = 0; j < cellWidths.length; j++) {
+		totalWidth += cellWidths[j];
+	}
+
+	if (tableAlignHoriz == 'center') {
+		left = left - totalWidth / 2;
+	} else if (tableAlignHoriz == 'right') {
+		left = left - totalWidth;
+	}
+
+	if (tableAlignVert == 'middle') {
+		top = top - totalHeight / 2;
+	} else if (tableAlignVert == 'bottom') {
+		top = top - totalHeight;
+	}
+
+	// now the table dims are known, create canvases
+	var maxHeight = object.maxHeight;
+	if (totalHeight + 2 * padding < maxHeight) {
+		var hasScroll = true;
+	} else {
+		var hasScroll = false;
+	}
+	var padding = def([object.padding, object.outerBorder.width / 2]); // padding for canvas
+	var fullRect = [0, 0, totalWidth + 2 * padding, totalHeight + 2 * padding];
+	var visRect = [left, top, totalWidth + 2 * padding, maxHeight];
+	var topRowRect = [left, top, totalWidth + 2 * padding, maxHeight];
+	var scrollRect = [left + totalWidth + 4 * padding, top, 25, maxHeight];
+
+	var ctxVis = newctx({
+			rect: visRect,
+			z: z
+		});
+	var ctxTopRow = newctx({
+			rect: topRowRect,
+			z: z
+		});
+	var ctxInvis = newctx({
+			rect: fullRect,
+			vis: false
+		});
+
+	var left = padding;
+	var top = padding;
+
+	ctxInvis.save();
+	ctxInvis.lineCap = lineCap;
+	ctxInvis.lineJoin = lineJoin;
+
+	var cellDims = [];
+
+	var horizPos = [left];
+	for (var i = 0; i < cellWidths.length; i++) {
+		horizPos.push(horizPos[horizPos.length - 1] + cellWidths[i])
+	}
+
+	var vertPos = [top];
+	for (var i = 0; i < cellHeights.length; i++) {
+		vertPos.push(vertPos[vertPos.length - 1] + cellHeights[i])
+	}
+
+	// write text to each cell
+	var topPos = top;
+	for (var i = 0; i < cells.length; i++) {
+		var leftPos = left;
+		cellDims[i] = [];
+		for (var j = 0; j < cells[i].length; j++) {
+			cellDims[i][j] = {
+				left: leftPos + 2,
+				top: topPos + 1,
+				width: cellWidths[j] - 9,
+				height: cellHeights[i] - 8,
+				border: false,
+				offset: [-40, 0.5 * (cellHeights[i] - 8) - 20],
+				fontSize: fontSize,
+				leftPoint: paddingH,
+				textColor: textColor,
+				textAlign: horizAlign,
+				fontSize: fontSize
+			};
+			if (cells[i][j].highlight == true) {
+				if (typeof cells[i][j].color == 'undefined' || cells[i][j].color !== 'none') {
+					ctxInvis.fillStyle = colorA(invertColor(cells[i][j].color), alpha);
+				} else {
+					ctxInvis.fillStyle = colorA(invertColor('#FFC'), alpha);
+				}
+				ctxInvis.fillRect(leftPos, topPos, cellWidths[j], cellHeights[i]);
+			} else if (typeof cells[i][j].color == 'undefined' || cells[i][j].color !== 'none') {
+				ctxInvis.fillStyle = colorA(cells[i][j].color, alpha);
+				ctxInvis.fillRect(leftPos, topPos, cellWidths[j], cellHeights[i]);
+			}
+			var align = horizAlign;
+			if (!un(cells[i][j].align))
+				align = cells[i][j].align;
+			var cellText = text({
+					ctx: ctxInvis,
+					left: leftPos + paddingH,
+					top: topPos + paddingV,
+					width: cellWidths[j] - 2 * paddingH,
+					height: cellHeights[i] - 2 * paddingV,
+					textArray: cells[i][j].text,
+					textAlign: align,
+					vertAlign: 'middle',
+					padding: 0.001,
+					box: cells[i][j].box,
+					sf: sf
+				});
+			//console.log(cellText.tightRect[2],cellText.tightRect[3]);
+			leftPos += cellWidths[j];
+		}
+		topPos += cellHeights[i];
+	}
+
+	// draw inner border
+	if (innerBorder.show == true) {
+		ctxInvis.strokeStyle = innerBorder.color;
+		ctxInvis.lineWidth = innerBorder.width;
+		if (!ctxInvis.setLineDash) {
+			ctxInvis.setLineDash = function () {}
+		}
+		ctxInvis.setLineDash(innerBorder.dash);
+		var leftPos = left;
+		for (var i = 0; i < cellWidths.length - 1; i++) {
+			leftPos += cellWidths[i];
+			ctxInvis.beginPath();
+			ctxInvis.moveTo(leftPos, top);
+			ctxInvis.lineTo(leftPos, top + totalHeight);
+			ctxInvis.stroke();
+		}
+		var topPos = top;
+		for (var i = 0; i < cellHeights.length - 1; i++) {
+			topPos += cellHeights[i];
+			ctxInvis.beginPath();
+			ctxInvis.moveTo(left, topPos);
+			ctxInvis.lineTo(left + totalWidth, topPos);
+			ctxInvis.stroke();
+		}
+	}
+
+	// draw outer border
+	if (outerBorder.show == true) {
+		ctxInvis.strokeStyle = outerBorder.color;
+		ctxInvis.lineWidth = outerBorder.width;
+		if (!ctxInvis.setLineDash) {
+			ctxInvis.setLineDash = function () {}
+		}
+		ctxInvis.setLineDash(outerBorder.dash);
+		ctxInvis.beginPath();
+		ctxInvis.strokeRect(left, top, totalWidth, totalHeight);
+	}
+
+	ctxInvis.restore();
+
+	var topRowFreeze = boolean(object.topRowFreeze, true);
+
+	var scrollMax = totalHeight / maxHeight;
+	var scrollDiff = totalHeight - maxHeight + 2 * padding;
+	//console.log(scrollMax,scrollDiff);
+
+	var scroll = createScroller({
+			rect: scrollRect,
+			max: scrollMax,
+			zIndex: z,
+			funcMove: function (value) {
+				this.table.scrollPos = (value / this.table.scrollMax) * this.table.scrollDiff;
+				this.table.redraw();
+			},
+			funcStop: function (value) {
+				this.table.scrollPos = (value / this.table.scrollMax) * this.table.scrollDiff;
+				this.table.redraw();
+			}
+		});
+
+	if (!un(object.funcMove)) {
+		ctxVis.canvas.style.pointerEvents = 'auto';
+		ctxVis.data[6] = true;
+		ctxVis.data[106] = true;
+		addListenerMove(ctxVis.canvas, function (e) {
+			updateMouse(e);
+			var r = -1,
+			c = -1;
+			for (var x = 0; x < this.table.xPos.length - 1; x++) {
+				if (mouse.x >= this.table.xPos[x] + this.table.ctxVis.data[100] && mouse.x <= this.table.xPos[x + 1] + this.table.ctxVis.data[100]) {
+					c = x;
+					break;
+				}
+			}
+			if (this.table.topRowFreeze && mouse.y <= this.table.yPos[1] + this.table.ctxVis.data[101]) {
+				r = 0;
+			} else {
+				for (var y = 0; y < this.table.yPos.length - 1; y++) {
+					if (mouse.y + this.table.scrollPos >= this.table.yPos[y] + this.table.ctxVis.data[101] && mouse.y + this.table.scrollPos <= this.table.yPos[y + 1] + this.table.ctxVis.data[101]) {
+						r = y;
+						break;
+					}
+				}
+			}
+			this.table.funcMove(r, c);
+		});
+	} else {
+		object.funcMove = function () {};
+	}
+	if (!un(object.funcClick)) {
+		ctxVis.canvas.style.pointerEvents = 'auto';
+		ctxVis.data[6] = true;
+		ctxVis.data[106] = true;
+		addListener(ctxVis.canvas, function (e) {
+			updateMouse(e);
+			var r = -1,
+			c = -1,
+			xProp = 0,
+			yProp = 0;
+			for (var x = 0; x < this.table.xPos.length - 1; x++) {
+				if (mouse.x >= this.table.xPos[x] + this.table.ctxVis.data[100] && mouse.x <= this.table.xPos[x + 1] + this.table.ctxVis.data[100]) {
+					c = x;
+					xProp = (mouse.x - (this.table.xPos[x] + this.table.ctxVis.data[100])) / (this.table.xPos[x + 1] - this.table.xPos[x]);
+					break;
+				}
+			}
+			if (this.table.topRowFreeze && mouse.y <= this.table.yPos[1] + this.table.ctxVis.data[101]) {
+				r = 0;
+			} else {
+				for (var y = 0; y < this.table.yPos.length - 1; y++) {
+					if (mouse.y + this.table.scrollPos >= this.table.yPos[y] + this.table.ctxVis.data[101] && mouse.y + this.table.scrollPos <= this.table.yPos[y + 1] + this.table.ctxVis.data[101]) {
+						r = y;
+						yProp = (mouse.y - (this.table.yPos[y] + this.table.ctxVis.data[101])) / (this.table.yPos[y + 1] - this.table.yPos[y]);
+						break;
+					}
+				}
+			}
+			this.table.funcClick(r, c, xProp, yProp);
+		});
+	} else {
+		object.funcClick = function () {};
+	}
+
+	var returnObj = clone(object);
+
+	returnObj.ctxVis = ctxVis;
+	returnObj.ctxInvis = ctxInvis;
+	returnObj.ctxTopRow = ctxTopRow;
+	returnObj.cell = cellDims;
+	returnObj.xPos = horizPos;
+	returnObj.yPos = vertPos;
+	returnObj.padding = padding;
+	returnObj.hasScroll = hasScroll;
+	returnObj.scroller = scroll;
+	returnObj.scrollPos = 0;
+	returnObj.scrollMax = scrollMax;
+	returnObj.scrollDiff = scrollDiff;
+	returnObj.topRowFreeze = topRowFreeze;
+	returnObj.redraw = function () {
+		this.ctxVis.clearRect(0, 0, this.ctxVis.canvas.data[102], this.ctxVis.canvas.data[103]);
+		this.ctxVis.drawImage(this.ctxInvis.canvas, 0, -this.scrollPos);
+	};
+
+	returnObj.scroller.table = returnObj;
+	returnObj.ctxVis.canvas.table = returnObj;
+
+	if (!un(returnObj.additionalDraw)) {
+		returnObj.additionalDraw();
+	}
+
+	returnObj.redraw();
+
+	if (topRowFreeze) {
+		ctxTopRow.data[3] = ctxTopRow.data[103] = padding + vertPos[1];
+		ctxTopRow.canvas.width = ctxTopRow.data[102];
+		ctxTopRow.canvas.height = ctxTopRow.data[103];
+		resizeCanvas2(ctxTopRow.canvas, ctxTopRow.data[102], ctxTopRow.data[103]);
+		resize();
+		ctxTopRow.drawImage(ctxInvis.canvas, 0, 0);
+	} else {
+		hideObj(ctxTopRow.canvas);
+	}
+
+	return returnObj;
+}
+function updateScrollTable(object) { // update previously drawn scrollTable with changed cell data
+	var sf = def([object.sf, 1]);
+
+	var left = object.left * sf;
+	var top = object.top * sf;
+	var cells = object.cells;
+	var z = object.z || object.zIndex || 2;
+
+	///console.log(object);
+
+	var minCellWidth = object.minCellWidth * sf || 80 * sf;
+	var maxCellWidth = object.maxCellWidth * sf || Math.max(1200 * sf, object.minCellWidth * sf);
+	var minCellHeight = object.minCellHeight * sf || 100 * sf;
+	var minCellPadding = object.minCellPadding * sf || 7 * sf;
+	var paddingH = minCellPadding;
+	var paddingV = minCellPadding;
+	if (typeof object.paddingH == 'number')
+		paddingH = object.paddingH * sf;
+	if (typeof object.paddingV == 'number')
+		paddingV = object.paddingV * sf;
+	var horizAlign = object.horizAlign || object.align || 'center';
+	if (typeof object.text == 'object') {
+		var font = object.text.font || 'Arial';
+		var fontSize = object.text.size || 32;
+		var textColor = object.text.color || '#000';
+	} else {
+		var font = 'Arial';
+		var fontSize = 32;
+		var textColor = '#000';
+	}
+	if (typeof object.alpha == 'number') {
+		var alpha = object.alpha;
+	} else {
+		var alpha = 1;
+	}
+	var lineJoin = object.lineJoin || object.lineCap || 'round';
+	var lineCap = object.lineCap || object.lineJoin || 'round';
+	var outerBorder = {};
+	if (typeof object.outerBorder == 'object') {
+		outerBorder.show = boolean(object.outerBorder.show, true);
+		outerBorder.width = object.outerBorder.width * sf || 4 * sf;
+		if (typeof object.outerBorder.color == 'undefined') {
+			outerBorder.color = colorA('#000', alpha);
+		} else {
+			outerBorder.color = colorA(object.outerBorder.color, alpha);
+		}
+		outerBorder.dash = object.outerBorder.dash || [];
+	} else {
+		outerBorder.show = true;
+		outerBorder.width = 4 * sf;
+		outerBorder.color = colorA('#000', alpha);
+		outerBorder.dash = [];
+	}
+	outerBorder.dash = enlargeDash(outerBorder.dash, sf);
+	var innerBorder = {};
+	if (typeof object.innerBorder == 'object') {
+		innerBorder.show = boolean(object.innerBorder.show, true);
+		innerBorder.width = object.innerBorder.width * sf || 4 * sf;
+		if (typeof object.innerBorder.color == 'undefined') {
+			innerBorder.color = colorA('#000', alpha);
+		} else {
+			innerBorder.color = colorA(object.innerBorder.color, alpha);
+		}
+		innerBorder.dash = object.innerBorder.dash || [];
+	} else {
+		innerBorder.show = true;
+		innerBorder.width = 4 * sf;
+		innerBorder.color = colorA('#000', alpha);
+		innerBorder.dash = [20, 15];
+	}
+	innerBorder.dash = enlargeDash(innerBorder.dash, sf);
+	var tableAlignHoriz = object.tableAlignHoriz || 'left'; // is the whole table centred on [left,top]?
+	var tableAlignVert = object.tableAlignVert || 'top';
+
+	var numRows = cells.length;
+	var numCols = 0;
+	for (var i = 0; i < cells.length; i++) {
+		numCols = Math.max(cells[i].length, numCols);
+	}
+	var cellHeights = [];
+	for (var i = 0; i < numRows; i++) {
+		cellHeights[i] = minCellHeight;
+	}
+	var cellWidths = [];
+	for (var j = 0; j < numCols; j++) {
+		cellWidths[j] = minCellWidth;
+	}
+	var totalWidth = 0;
+	var totalHeight = 0;
+
+	var cellHeights = [];
+	for (var i = 0; i < numRows; i++) {
+		cellHeights[i] = minCellHeight;
+	}
+	var cellWidths = [];
+	for (var j = 0; j < numCols; j++) {
+		cellWidths[j] = minCellWidth;
+	}
+	var totalWidth = 0;
+	var totalHeight = 0;
+
+	if (typeof hiddenCanvas == 'undefined') {
+		var hiddenCanvas = document.createElement('canvas');
+		hiddenCanvas.width = mainCanvasWidth * sf;
+		hiddenCanvas.height = mainCanvasHeight * sf;
+		hiddenCanvas.ctx = hiddenCanvas.getContext('2d');
+	}
+
+	for (var r = 0; r < cells.length; r++) {
+		var maxHeight = minCellHeight;
+		for (var c = 0; c < cells[r].length; c++) {
+			if (typeof cells[r][c] == 'object') {
+				if (typeof cells[r][c].text !== 'object') {
+					cells[r][c].text = [];
+				} else {
+					cells[r][c].text = clone(cells[r][c].text);
+				}
+				if (typeof cells[r][c].color !== 'string')
+					cells[r][c].color = 'none';
+				if (typeof cells[r][c].minWidth !== 'number')
+					cells[r][c].minWidth = 0;
+				if (typeof cells[r][c].minHeight !== 'number')
+					cells[r][c].minHeight = 0;
+				var font2 = font;
+				var fontSize2 = fontSize;
+				var textColor2 = textColor;
+				if (!un(cells[r][c].font))
+					font2 = cells[r][c].font;
+				if (!un(cells[r][c].fontSize))
+					fontSize2 = cells[r][c].fontSize;
+				if (!un(cells[r][c].textColor))
+					textColor2 = cells[r][c].textColor;
+				if (un(cells[r][c].styled)) {
+					cells[r][c].text.unshift('<<font:' + font2 + '>><<fontSize:' + fontSize2 + '>><<color:' + textColor2 + '>>');
+					cells[r][c].styled = true;
+				}
+				//var dims = drawMathsText(ctx,cells[r][c].text,fontSize,0,0,false,[],horizAlign,'middle',text.color,'measure');
+				//maxHeight = Math.max(dims[1]+2*minCellPadding,cells[r][c].minHeight,maxHeight);
+				//cellWidths[c] = Math.max(dims[0]+2*minCellPadding,cells[r][c].minWidth,cellWidths[c]);
+
+				var cellText = text({
+						ctx: hiddenCanvas.ctx,
+						left: 0,
+						top: 0,
+						width: maxCellWidth,
+						textArray: cells[r][c].text,
+						minTightWidth: 5,
+						minTightHeight: 5,
+						box: cells[r][c].box,
+						sf: sf
+					});
+				maxHeight = Math.max(cellText.tightRect[3] + 2 * paddingV, cells[r][c].minHeight * sf, maxHeight);
+				cellWidths[c] = Math.max(cellText.tightRect[2] + 3 * paddingH, cells[r][c].minWidth * sf, cellWidths[c]);
+			}
+		}
+		cellHeights[r] = Math.max(maxHeight, cellHeights[r]);
+		totalHeight += cellHeights[r];
+	}
+	for (var j = 0; j < cellWidths.length; j++) {
+		totalWidth += cellWidths[j];
+	}
+
+	if (tableAlignHoriz == 'center') {
+		left = left - totalWidth / 2;
+	} else if (tableAlignHoriz == 'right') {
+		left = left - totalWidth;
+	}
+
+	if (tableAlignVert == 'middle') {
+		top = top - totalHeight / 2;
+	} else if (tableAlignVert == 'bottom') {
+		top = top - totalHeight;
+	}
+
+	//update canvases
+	var maxHeight = object.maxHeight;
+	var padding = def([object.padding, object.outerBorder.width / 2]); // padding for canvas
+	var fullRect = [0, 0, totalWidth + 2 * padding, totalHeight + 2 * padding];
+	var visRect = [left, top, totalWidth + 2 * padding, maxHeight];
+	var topRowRect = [left, top, totalWidth + 2 * padding, maxHeight];
+	var scrollRect = [left + totalWidth + 4 * padding, top, 25, maxHeight];
+
+	var ctxInvis = object.ctxInvis;
+	var ctxVis = object.ctxVis;
+	var ctxTopRow = object.ctxTopRow;
+	ctxInvis.clear();
+	ctxVis.clear();
+	ctxTopRow.clear();
+	ctxInvis.data[102] = fullRect[2];
+	ctxInvis.data[103] = fullRect[3];
+	ctxInvis.canvas.width = fullRect[2];
+	ctxInvis.canvas.height = fullRect[3];
+	ctxVis.data[100] = visRect[0];
+	ctxVis.data[101] = visRect[1];
+	ctxVis.data[102] = visRect[2];
+	ctxVis.data[103] = visRect[3];
+	ctxVis.canvas.width = visRect[2];
+	ctxVis.canvas.height = visRect[3];
+	ctxTopRow.data[100] = topRowRect[0];
+	ctxTopRow.data[101] = topRowRect[1];
+	ctxTopRow.data[102] = topRowRect[2];
+	ctxTopRow.data[103] = topRowRect[3];
+	ctxTopRow.canvas.width = visRect[2];
+	ctxTopRow.canvas.height = visRect[3];
+	resize();
+
+	var left = padding;
+	var top = padding;
+
+	ctxInvis.save();
+	ctxInvis.lineCap = lineCap;
+	ctxInvis.lineJoin = lineJoin;
+
+	var cellDims = [];
+
+	var horizPos = [left];
+	for (var i = 0; i < cellWidths.length; i++) {
+		horizPos.push(horizPos[horizPos.length - 1] + cellWidths[i])
+	}
+
+	var vertPos = [top];
+	for (var i = 0; i < cellHeights.length; i++) {
+		vertPos.push(vertPos[vertPos.length - 1] + cellHeights[i])
+	}
+
+	// write text to each cell
+	var topPos = top;
+	for (var i = 0; i < cells.length; i++) {
+		var leftPos = left;
+		cellDims[i] = [];
+		for (var j = 0; j < cells[i].length; j++) {
+			cellDims[i][j] = {
+				left: leftPos + 2,
+				top: topPos + 1,
+				width: cellWidths[j] - 9,
+				height: cellHeights[i] - 8,
+				border: false,
+				offset: [-40, 0.5 * (cellHeights[i] - 8) - 20],
+				fontSize: fontSize,
+				leftPoint: paddingH,
+				textColor: textColor,
+				textAlign: horizAlign,
+				fontSize: fontSize
+			};
+			if (cells[i][j].highlight == true) {
+				if (typeof cells[i][j].color == 'undefined' || cells[i][j].color !== 'none') {
+					ctxInvis.fillStyle = colorA(invertColor(cells[i][j].color), alpha);
+				} else {
+					ctxInvis.fillStyle = colorA(invertColor('#FFC'), alpha);
+				}
+				ctxInvis.fillRect(leftPos, topPos, cellWidths[j], cellHeights[i]);
+			} else if (typeof cells[i][j].color == 'undefined' || cells[i][j].color !== 'none') {
+				ctxInvis.fillStyle = colorA(cells[i][j].color, alpha);
+				ctxInvis.fillRect(leftPos, topPos, cellWidths[j], cellHeights[i]);
+			}
+			var align = horizAlign;
+			if (!un(cells[i][j].align))
+				align = cells[i][j].align;
+			var cellText = text({
+					ctx: ctxInvis,
+					left: leftPos + paddingH,
+					top: topPos + paddingV,
+					width: cellWidths[j] - 2 * paddingH,
+					height: cellHeights[i] - 2 * paddingV,
+					textArray: cells[i][j].text,
+					textAlign: align,
+					vertAlign: 'middle',
+					padding: 0.001,
+					box: cells[i][j].box,
+					sf: sf
+				});
+			/*console.log(cellText.tightRect[2],cellText.tightRect[3],{
+			ctx:ctxInvis,
+			left:leftPos+paddingH,
+			top:topPos+paddingV,
+			width:cellWidths[j]-2*paddingH,
+			height:cellHeights[i]-2*paddingV,
+			textArray:cells[i][j].text,
+			textAlign:align,
+			vertAlign:'middle',
+			padding:0.001,
+			box:cells[i][j].box,
+			sf:sf
+			});*/
+			leftPos += cellWidths[j];
+		}
+		topPos += cellHeights[i];
+	}
+
+	// draw inner border
+	if (innerBorder.show == true) {
+		ctxInvis.strokeStyle = innerBorder.color;
+		ctxInvis.lineWidth = innerBorder.width;
+		if (!ctxInvis.setLineDash) {
+			ctxInvis.setLineDash = function () {}
+		}
+		ctxInvis.setLineDash(innerBorder.dash);
+		var leftPos = left;
+		for (var i = 0; i < cellWidths.length - 1; i++) {
+			leftPos += cellWidths[i];
+			ctxInvis.beginPath();
+			ctxInvis.moveTo(leftPos, top);
+			ctxInvis.lineTo(leftPos, top + totalHeight);
+			ctxInvis.stroke();
+		}
+		var topPos = top;
+		for (var i = 0; i < cellHeights.length - 1; i++) {
+			topPos += cellHeights[i];
+			ctxInvis.beginPath();
+			ctxInvis.moveTo(left, topPos);
+			ctxInvis.lineTo(left + totalWidth, topPos);
+			ctxInvis.stroke();
+		}
+	}
+
+	// draw outer border
+	if (outerBorder.show == true) {
+		ctxInvis.strokeStyle = outerBorder.color;
+		ctxInvis.lineWidth = outerBorder.width;
+		if (!ctxInvis.setLineDash) {
+			ctxInvis.setLineDash = function () {}
+		}
+		ctxInvis.setLineDash(outerBorder.dash);
+		ctxInvis.beginPath();
+		ctxInvis.strokeRect(left, top, totalWidth, totalHeight);
+	}
+
+	ctxInvis.restore();
+
+	object.cell = cellDims;
+	object.xPos = horizPos;
+	object.yPos = vertPos;
+
+	if (!un(object.additionalDraw)) {
+		object.additionalDraw();
+	}
+
+	object.redraw();
+
+	if (totalHeight + 2 * padding > object.maxHeight) {
+		moveScroller(object.scroller, object.left + object.xPos.last(), object.top + object.yPos[0]);
+		object.hasScroll = true;
+		object.scrollPos = 0;
+		object.scrollMax = totalHeight / maxHeight;
+		object.scrollDiff = totalHeight - maxHeight + 2 * padding;
+		object.scroller.max = totalHeight / maxHeight;
+		object.scroller.value = 0;
+		object.scroller = updateScrollerDims(object.scroller);
+		showScroller(object.scroller);
+		if (object.topRowFreeze) {
+			showObj(ctxTopRow.canvas);
+			ctxTopRow.data[3] = ctxTopRow.data[103] = padding + vertPos[1];
+			ctxTopRow.canvas.width = ctxTopRow.data[102];
+			ctxTopRow.canvas.height = ctxTopRow.data[103];
+			resizeCanvas3(ctxTopRow.canvas);
+			ctxTopRow.drawImage(ctxInvis.canvas, 0, 0);
+		} else {
+			hideObj(ctxTopRow.canvas);
+		}
+	} else {
+		object.hasScroll = false;
+		hideScroller(object.scroller);
+		hideObj(ctxTopRow.canvas);
+	}
+
+	return object;
+}
+function moveScrollTable(object, left, top) {
+	var relLeft = object.scroller.rect[0] - object.ctxVis.canvas.data[100];
+	object.left = left;
+	object.top = top;
+	object.ctxVis.canvas.data[100] = left;
+	object.ctxVis.canvas.data[101] = top;
+	resizeCanvas3(object.ctxVis.canvas);
+	object.ctxTopRow.canvas.data[100] = left;
+	object.ctxTopRow.canvas.data[101] = top;
+	resizeCanvas3(object.ctxTopRow.canvas);
+	object.scroller.rect[0] = left + relLeft;
+	object.scroller.rect[1] = top;
+	object.scroller.reposition();
+}
+function showScrollTable(object, includeTopRow) {
+	showObj(object.ctxVis.canvas);
+	if (boolean(includeTopRow, true))
+		showObj(object.ctxTopRow.canvas);
+	/*if (object.hasScroll == true)*/
+	showScroller(object.scroller);
+}
+function hideScrollTable(object) {
+	hideObj(object.ctxVis.canvas);
+	hideObj(object.ctxTopRow.canvas);
+	hideScroller(object.scroller);
+}
+
+function createSlider(object) {
+	if (typeof slider[pageIndex] == 'undefined')
+		slider[pageIndex] = [];
+	var id = object.id || slider[pageIndex].length;
+	if (typeof object.gridDetails == 'undefined')
+		object.gridDetails = {};
+	var left = object.left || object.l || (object.gridDetails.left - 10);
+	var top = object.top || object.t || (object.gridDetails.top + object.gridDetails.height);
+	var width = object.width || object.w || (object.gridDetails.width + 20);
+	var height = object.height || object.h || 60;
+	var bottom = top + height;
+	var min,
+	max;
+	if (typeof object.min == 'number') {
+		min = object.min;
+	} else {
+		min = object.gridDetails.xMin;
+	}
+	if (typeof object.max == 'number') {
+		max = object.max;
+	} else {
+		max = object.gridDetails.xMax;
+	}
+	var vari = object.vari || "a";
+	var linkedVar = object.linkedVar;
+	var varChangeListener = object.varChangeListener;
+	var onchange = object.onchange;
+	var startNum = min;
+	if (typeof object.startNum == 'number')
+		startNum = object.startNum;
+	var inc = object.inc || 1;
+	var label = true;
+	if (typeof object.label == 'boolean')
+		label = object.label;
+	var labelFont = object.labelFont || "24px Arial";
+	var labelColor = object.labelColor || '#000';
+	var visible = boolean(object.visible, true);
+	var zIndex = object.zIndex || 2;
+	var handleColor = object.handleColor || '#00F';
+	var handleStyle = object.handleStyle || 'rect'; // rect or circle
+	var discrete = false;
+	if (typeof object.discrete == 'boolean')
+		discrete = object.discrete;
+	var stepNum = 1;
+	if (typeof object.stepNum == 'number')
+		stepNum = object.stepNum;
+	var snap = false;
+	if (typeof object.snap == 'boolean')
+		snap = object.snap;
+	var snapNum = 1;
+	if (typeof object.snapNum == 'number')
+		snapNum = object.snapNum;
+	var vert = boolean(object.vertical, false);
+
+	if (vert == false) {
+		var sliderWidth = 20;
+		if (handleStyle == 'circle')
+			sliderWidth = 40;
+		var sliderHeight = 40;
+	} else {
+		var sliderHeight = 20;
+		if (handleStyle == 'circle')
+			sliderHeight = 40;
+		var sliderWidth = 40;
+	}
+
+	var backCanvas = document.createElement('canvas');
+	backCanvas.width = width;
+	backCanvas.height = height * 1.5;
+	backCanvas.setAttribute('position', 'absolute');
+	backCanvas.setAttribute('cursor', 'auto');
+	backCanvas.setAttribute('draggable', 'false');
+	backCanvas.setAttribute('class', 'buttonClass');
+	backCanvas.style.pointerEvents = 'none';
+	backCanvas.style.zIndex = zIndex;
+	if (visible == true)
+		container.appendChild(backCanvas);
+	canvases[pageIndex].push(backCanvas);
+	var backCtx = backCanvas.getContext('2d');
+	var backCanvasData = [left, top, width, height * 1.5, visible, false, false, zIndex];
+	for (var i = 0; i < 8; i++) {
+		backCanvasData[100 + i] = backCanvasData[i];
+	}
+	backCanvasData[130] = visible;
+	backCanvas.data = backCanvasData;
+
+	backCtx.lineWidth = 5;
+	backCtx.strokeStyle = object.backColor || '#666';
+	backCtx.lineCap = 'round';
+	backCtx.lineJoin = 'round';
+	backCtx.beginPath();
+	if (vert == false) {
+		backCtx.moveTo(0.5 * sliderWidth, 0.5 * height);
+		backCtx.lineTo(width - 0.5 * sliderWidth, 0.5 * height);
+	} else {
+		backCtx.moveTo(0.5 * width, 0.5 * sliderHeight);
+		backCtx.lineTo(0.5 * width, height - 0.5 * sliderHeight);
+	}
+	backCtx.closePath();
+	backCtx.stroke();
+	if (!un(object.scale)) {
+		var step = def([object.scale.step, 1]);
+		var xInc = (width - 20) / ((max - min) / step);
+		var color = def([object.scale.color, backCtx.strokeStyle]);
+		backCtx.lineWidth = 2;
+		backCtx.strokeStyle = color;
+		backCtx.beginPath();
+		var l = 10;
+		for (var i = min; i <= max; i += step) {
+			backCtx.moveTo(l, 0.5 * height);
+			backCtx.lineTo(l, 0.85 * height);
+			text({
+				ctx: backCtx,
+				left: l - 50,
+				top: 0.85 * height,
+				width: 100,
+				height: height,
+				align: 'center',
+				color: color,
+				textArray: ['<<fontSize:20>>' + i]
+			});
+			l += xInc;
+		}
+		backCtx.stroke();
+	}
+
+	var sliderCanvas = document.createElement('canvas');
+	sliderCanvas.width = sliderWidth;
+	sliderCanvas.height = sliderHeight;
+	sliderCanvas.setAttribute('position', 'absolute');
+	sliderCanvas.setAttribute('cursor', 'auto');
+	sliderCanvas.setAttribute('draggable', 'false');
+	sliderCanvas.setAttribute('class', 'buttonClass');
+	sliderCanvas.style.zIndex = zIndex;
+	if (visible == true)
+		container.appendChild(sliderCanvas);
+	canvases[pageIndex].push(sliderCanvas);
+	var sliderCtx = sliderCanvas.getContext('2d');
+	if (vert == false) {
+		var leftPos = left + (startNum - min) * (width - sliderWidth) / (max - min);
+		var sliderCanvasData = [leftPos, top + 0.5 * height - 0.5 * sliderHeight, sliderWidth, sliderHeight, visible, false, true, zIndex];
+	} else {
+		var topPos = bottom - sliderHeight - (startNum - min) * (height - sliderHeight) / (max - min);
+		var sliderCanvasData = [left + 0.5 * width - 0.5 * sliderWidth, topPos, sliderWidth, sliderHeight, visible, false, true, zIndex];
+	}
+	for (var i = 0; i < 8; i++) {
+		sliderCanvasData[100 + i] = sliderCanvasData[i];
+	}
+	sliderCanvasData[130] = visible;
+	sliderCanvas.data = sliderCanvasData;
+	addListenerStart(sliderCanvas, sliderDragStart);
+
+	sliderCtx.fillStyle = handleColor;
+	if (handleStyle == 'rect') {
+		sliderCtx.fillRect(0, 0, sliderWidth, sliderHeight);
+	} else if (handleStyle == 'circle') {
+		sliderCtx.beginPath();
+		sliderCtx.arc(0.5 * sliderWidth, 0.5 * sliderHeight, 0.5 * sliderHeight - 2, 0, 2 * Math.PI);
+		sliderCtx.closePath();
+		sliderCtx.fill();
+	}
+
+	var labelCanvas = document.createElement('canvas');
+	labelCanvas.width = width;
+	labelCanvas.height = parseInt(labelFont) * 2;
+	labelCanvas.setAttribute('position', 'absolute');
+	labelCanvas.setAttribute('cursor', 'auto');
+	labelCanvas.setAttribute('draggable', 'false');
+	labelCanvas.setAttribute('class', 'buttonClass');
+	labelCanvas.style.pointerEvents = 'none';
+	labelCanvas.style.zIndex = zIndex;
+	if (label == true && visible == true) {
+		container.appendChild(labelCanvas);
+	}
+	canvases[pageIndex].push(labelCanvas);
+	var labelCtx = labelCanvas.getContext('2d');
+	var labelCanvasData = [left, top + height, width, height, visible, false, false, zIndex];
+	for (var i = 0; i < 8; i++) {
+		labelCanvasData[100 + i] = labelCanvasData[i];
+	}
+	labelCanvasData[130] = visible;
+	labelCanvas.data = labelCanvasData;
+
+	if (label == true) {
+		labelCtx.fillStyle = labelColor;
+		labelCtx.font = "24px Arial";
+		labelCtx.textAlign = 'center';
+		labelCtx.textBaseline = 'middle';
+		labelCtx.fillText(vari + " = " + startNum, 0.5 * width, parseInt(labelFont));
+	}
+
+	resize();
+
+	slider[pageIndex][id] = {
+		id: id,
+		backCanvas: backCanvas,
+		backctx: backCtx,
+		backData: backCanvasData,
+		sliderCanvas: sliderCanvas,
+		sliderctx: sliderCtx,
+		sliderData: sliderCanvasData,
+		labelCanvas: labelCanvas,
+		labelctx: labelCtx,
+		labelData: labelCanvasData,
+		left: left,
+		top: top,
+		width: width,
+		height: height,
+		bottom: bottom,
+		sliderWidth: sliderWidth,
+		sliderHeight: sliderHeight,
+		min: min,
+		max: max,
+		startNum: startNum,
+		currNum: startNum,
+		vari: vari,
+		linkedVar: linkedVar,
+		varChangeListener: varChangeListener,
+		onchange: onchange,
+		inc: inc,
+		label: label,
+		labelFont: labelFont,
+		labelColor: labelColor,
+		visible: visible,
+		zIndex: zIndex,
+		discrete: discrete,
+		stepNum: stepNum,
+		snap: snap,
+		snapNum: snapNum,
+		vert: vert
+	};
+
+	return slider[pageIndex][id];
+}
+function showSlider(slider) {
+	showObj(slider.backCanvas, slider.backData);
+	showObj(slider.sliderCanvas, slider.sliderData);
+	showObj(slider.labelCanvas, slider.labelData);
+}
+function hideSlider(slider) {
+	hideObj(slider.backCanvas, slider.backData);
+	hideObj(slider.sliderCanvas, slider.sliderData);
+	hideObj(slider.labelCanvas, slider.labelData);
+}
+function setSliderValue(slider, value) {
+	var val = Math.min(Math.max(slider.min, value), slider.max);
+	if (slider.vert == false) {
+		var left = slider.left + ((val - slider.min) / (slider.max - slider.min)) * (slider.width - slider.sliderWidth);
+		slider.sliderData[100] = left;
+	} else {
+		var top = slider.bottom - slider.sliderHeight - ((val - slider.min) / (slider.max - slider.min)) * (slider.height - slider.sliderHeight);
+		slider.sliderData[101] = top;
+	}
+	slider.currNum = val;
+	if (slider.label == true) {
+		slider.labelctx.clearRect(0, 0, slider.width, mainCanvasHeight);
+		slider.labelctx.fillStyle = slider.labelColor;
+		slider.labelctx.font = slider.labelFont;
+		slider.labelctx.textAlign = 'center';
+		slider.labelctx.textBaseline = 'middle';
+		slider.labelctx.fillText(slider.vari + " = " + roundToNearest(val, 0.01), 0.5 * slider.width, parseInt(slider.labelFont));
+	}
+	resizeCanvas2(slider.sliderCanvas, slider.sliderData[100], slider.sliderData[101]);
+	if (!un(slider.linkedVar))
+		eval(slider.linkedVar + "=" + val);
+	if (!un(slider.varChangeListener))
+		eval(slider.varChangeListener + "()");
+	if (!un(slider.onchange))
+		slider.onchange(val);
+}
+function sliderDragStart(e) {
+	for (var i = 0; i < slider[pageIndex].length; i++) {
+		if (slider[pageIndex][i].sliderCanvas == e.target) {
+			currSlider = i;
+			break;
+		}
+	}
+	removeListenerStart(e.target, sliderDragStart)
+	addListenerMove(window, sliderDragMove);
+	addListenerEnd(window, sliderDragStop);
+}
+function sliderDragMove(e) {
+	var s = slider[pageIndex][currSlider];
+	if (s.vert == false) {
+		var left = Math.min(Math.max(mouse.x, s.left), s.left + s.width - s.sliderWidth);
+		slider[pageIndex][currSlider].sliderData[100] = left;
+		var val = s.min + (left - s.left) * (s.max - s.min) / (s.width - s.sliderWidth);
+	} else {
+		var top = Math.min(Math.max(mouse.y, s.top), s.bottom - s.sliderHeight);
+		slider[pageIndex][currSlider].sliderData[101] = top;
+		var val = s.min + (s.bottom - s.sliderHeight - top) * (s.max - s.min) / (s.height - s.sliderHeight);
+	}
+	if (s.discrete == true) {
+		val = roundToNearest(val, s.stepNum);
+	}
+	s.currNum = val;
+	if (!un(s.linkedVar))
+		eval(s.linkedVar + "=" + val);
+	if (!un(s.varChangeListener))
+		eval(s.varChangeListener + "()");
+	if (!un(s.onchange))
+		s.onchange(val);
+	if (s.label == true) {
+		s.labelctx.clearRect(0, 0, s.width, mainCanvasHeight);
+		s.labelctx.fillStyle = s.labelColor;
+		s.labelctx.font = s.labelFont;
+		s.labelctx.textAlign = 'center';
+		s.labelctx.textBaseline = 'middle';
+		s.labelctx.fillText(s.vari + " = " + roundToNearest(val, 0.01), 0.5 * s.width, parseInt(s.labelFont));
+	}
+	resize();
+}
+function sliderDragStop(e) {
+	removeListenerMove(window, sliderDragMove);
+	removeListenerEnd(window, sliderDragStop);
+	// snap slider to position
+	var s = slider[pageIndex][currSlider];
+	if (s.snap == true) {
+		if (s.vert == false) {
+			var left = Math.min(Math.max(mouse.x, s.left), s.left + s.width - s.sliderWidth);
+			var val = s.min + (left - s.left) * (s.max - s.min) / (s.width - s.sliderWidth);
+		} else {
+			var top = Math.min(Math.max(mouse.y, s.top), s.bottom - s.sliderHeight);
+			var val = s.min + (s.bottom - s.sliderHeight - top) * (s.max - s.min) / (s.height - s.sliderHeight);
+		}
+		if (s.discrete == true) {
+			val = roundToNearest(val, s.stepNum);
+		} else if (s.snap == true) {
+			val = roundToNearest(val, s.snapNum);
+		} else {
+			val = roundToNearest(val, s.inc);
+		}
+		s.currNum = val;
+		eval(s.linkedVar + "=" + val);
+		eval(s.varChangeListener + "()");
+		if (s.vert == false) {
+			var leftSnap = s.left + (val - s.min) * (s.width - s.sliderWidth) / (s.max - s.min);
+			slider[pageIndex][currSlider].sliderData[100] = leftSnap;
+		} else {
+			var topSnap = s.bottom - s.sliderHeight - (val - s.min) * (s.height - s.sliderHeight) / (s.max - s.min);
+			slider[pageIndex][currSlider].sliderData[101] = topSnap;
+		}
+		resize();
+	}
+	addListenerStart(slider[pageIndex][currSlider].sliderCanvas, sliderDragStart)
+}
+
+var currScroller;
+function createScroller(obj) {
+	var rect = obj.rect;
+	var z = obj.zIndex || obj.z || 2;
+	var vis = boolean(obj.visible, boolean(obj.vis, true));
+	var min = obj.min || 0;
+	var max = obj.max;
+	//var colors = obj.colors || ['#3FF','#00F','#333','#CCC','#333'];
+	var colors = obj.colors || {
+		buttons: '#3FF',
+		slider: '#00F',
+		border: '#333',
+		back: '#CCC',
+		buttonsBorder: '#333',
+		arrows: '#333'
+	};
+	var sliderHeight = obj.sliderHeight || (rect[3] - rect[2] * 2) / (max - min);
+	var inc = obj.inc || 1;
+	var incDist = (rect[3] - 2 * rect[2] - sliderHeight) / ((max - min) / inc);
+	var sliderRect = [rect[0], rect[1] + rect[2], rect[2], sliderHeight];
+	var radius = def([obj.radius, 0]);
+	var scroller = {
+		rect: rect,
+		zIndex: z,
+		min: min,
+		max: max,
+		value: min,
+		colors: colors,
+		sliderRect: sliderRect,
+		sliderHeight: sliderHeight,
+		inc: inc,
+		incDist: incDist,
+		radius: radius
+	};
+	if (typeof obj.funcMove == 'function')
+		scroller.funcMove = obj.funcMove;
+	if (typeof obj.funcStop == 'function')
+		scroller.funcStop = obj.funcStop;
+	scroller.canvas = newctx({
+			rect: scroller.rect,
+			pE: true,
+			z: scroller.zIndex
+		}).canvas;
+	scroller.canvas.scroller = scroller;
+	scroller.ctx = scroller.canvas.ctx;
+	scroller.slider = {};
+	scroller.sliderCanvas = newctx({
+			rect: sliderRect,
+			pE: true,
+			z: scroller.zIndex + 1
+		}).canvas;
+	scroller.sliderCanvas.scroller = scroller;
+	scroller.sliderctx = scroller.sliderCanvas.ctx;
+	scroller.sliderctx.fillStyle = colors[1];
+	scroller.sliderctx.fillRect(0, 0, sliderRect[2], sliderRect[3]);
+	scroller.reposition = function (newMax, newRect, sliderHeight) {
+		if (!un(newMax))
+			this.max = newMax;
+		if (!un(newRect))
+			this.rect = newRect;
+		this.canvas.data[100] = this.rect[0];
+		this.canvas.data[101] = this.rect[1];
+		this.canvas.data[102] = this.rect[2];
+		this.canvas.data[103] = this.rect[3];
+		resizeCanvas(this.canvas, this.rect[0], this.rect[1], this.rect[2], this.rect[3]);
+		this.canvas.width = this.rect[2];
+		this.canvas.height = this.rect[3];
+		if (!un(sliderHeight)) {
+			this.sliderHeight = sliderHeight;
+		} else {
+			this.sliderHeight = (this.rect[3] - this.rect[2] * 2) / (this.max - this.min);
+		}
+		this.sliderRect = [this.rect[0], this.rect[1] + this.rect[2], this.rect[2], this.sliderHeight];
+		this.sliderCanvas.data[100] = this.sliderRect[0];
+		this.sliderCanvas.data[101] = this.sliderRect[1];
+		this.sliderCanvas.data[102] = this.sliderRect[2];
+		this.sliderCanvas.data[103] = this.sliderRect[3];
+		resizeCanvas(this.sliderCanvas, this.sliderRect[0], this.sliderRect[1], this.sliderRect[2], this.sliderRect[3]);
+		this.sliderCanvas.width = this.sliderRect[2];
+		this.sliderCanvas.height = this.sliderRect[3];
+		this.draw();
+		this.value = 0;
+		this.sliderRect[1] = this.rect[1] + this.rect[2] + (this.rect[3] - 2 * this.rect[2] - this.sliderHeight) * ((this.value - this.min) / (this.max - this.min));
+		resizeCanvas(this.sliderCanvas, this.sliderRect[0], this.sliderRect[1]);
+	}
+	scroller.draw = function () {
+		var ctx = this.ctx;
+		var w = this.rect[2];
+		var h = this.rect[3];
+		ctx.clearRect(0, 0, w, h);
+		var lineWidth = this.lineWidth || 4;
+		var radius = this.radius;
+		roundedRect(ctx, lineWidth / 2, lineWidth / 2, w - lineWidth, h - lineWidth, radius, lineWidth, this.colors.border, this.colors.back);
+		roundedRect(ctx, lineWidth / 2, lineWidth / 2, w - lineWidth, w - lineWidth, radius, lineWidth, this.colors.buttonsBorder, this.colors.buttons);
+		roundedRect(ctx, lineWidth / 2, h - w, w - lineWidth, w - lineWidth, radius, lineWidth, this.colors.buttonsBorder, this.colors.buttons);
+		ctx.fillStyle = this.colors.arrows;
+		ctx.lineCap = 'round';
+		ctx.lineJoin = 'round';
+		ctx.beginPath();
+		ctx.moveTo(w * 14 / 50, w * 34 / 50);
+		ctx.lineTo(w * 25 / 50, w * 16 / 50);
+		ctx.lineTo(w * 36 / 50, w * 34 / 50);
+		ctx.lineTo(w * 14 / 50, w * 34 / 50);
+		ctx.fill();
+		ctx.beginPath();
+		ctx.moveTo(w * 14 / 50, h - w + w * 16 / 50);
+		ctx.lineTo(w * 25 / 50, h - w + w * 34 / 50);
+		ctx.lineTo(w * 36 / 50, h - w + w * 16 / 50);
+		ctx.lineTo(w * 14 / 50, h - w + w * 16 / 50);
+		ctx.fill();
+		this.sliderctx.fillStyle = this.colors.slider;
+		this.sliderctx.fillRect(0, 0, this.sliderRect[2], this.sliderHeight);
+	}
+	scroller.draw();
+	addListener(scroller.canvas, function (e) {
+		updateMouse(e);
+		var scroller = this.scroller;
+		if (mouse.y < scroller.sliderRect[1]) {
+			scroller.update(-1);
+		} else if (mouse.y > scroller.sliderRect[1] + scroller.sliderRect[3]) {
+			scroller.update(1);
+		}
+	});
+	addListenerStart(scroller.sliderCanvas, scrollerMoveStart);
+	scroller.update = function (change) {
+		var newValue = Math.min(this.max, Math.max(this.min, this.value + change));
+		if (newValue == this.value)
+			return;
+		this.value = newValue;
+		this.sliderRect[1] = this.rect[1] + this.rect[2] + (this.rect[3] - 2 * this.rect[2] - this.sliderHeight) * ((this.value - this.min) / (this.max - this.min));
+		resizeCanvas(this.sliderCanvas, this.sliderRect[0], this.sliderRect[1]);
+		if (typeof this.funcStop == 'function') {
+			this.funcStop(this.value);
+		} else if (typeof this.funcMove == 'function') {
+			this.funcMove(this.value);
+		}
+	}
+	return scroller;
+}
+function updateScrollerDims(s) { // update max
+	s.sliderHeight = (s.rect[3] - s.rect[2] * 2) / (s.max - s.min);
+	s.incDist = (s.rect[3] - 2 * s.rect[2] - s.sliderHeight) / ((s.max - s.min) / s.inc);
+	s.sliderRect[3] = s.sliderHeight;
+	s.sliderCanvas.data[100] = s.sliderRect[0];
+	s.sliderCanvas.data[101] = s.sliderRect[1];
+	s.sliderCanvas.data[102] = s.sliderRect[2];
+	s.sliderCanvas.data[103] = s.sliderRect[3];
+	resizeCanvas3(s.sliderCanvas);
+	setScrollerValue(s, s.value, true);
+	return s;
+}
+function scrollerMoveStart(e) {
+	updateMouse(e);
+	currScroller = e.target.scroller;
+	currScroller.dragStartPos = mouse.y;
+	currScroller.dragStartValue = currScroller.value;
+	currScroller.dragStartY = currScroller.sliderRect[1];
+	currScroller.dragOffset = mouse.y - currScroller.sliderRect[1];
+	currScroller.dragMinY = currScroller.rect[1] + currScroller.rect[2];
+	currScroller.dragMaxY = currScroller.rect[1] + currScroller.rect[3] - currScroller.rect[2] - currScroller.sliderRect[3];
+	addListenerMove(window, scrollerMoveMove);
+	addListenerEnd(window, scrollerMoveStop);
+}
+function scrollerMoveMove(e) {
+	updateMouse(e);
+	var dy = mouse.y - currScroller.dragStartPos;
+	var newY = Math.min(Math.max(currScroller.dragStartY + dy, currScroller.dragMinY), currScroller.dragMaxY);
+	if (newY == currScroller.sliderRect[1])
+		return;
+	currScroller.sliderRect[1] = newY;
+	resizeCanvas(currScroller.sliderCanvas, currScroller.sliderRect[0], currScroller.sliderRect[1]);
+	currScroller.value = currScroller.min + (currScroller.max - currScroller.min) * (currScroller.sliderRect[1] - currScroller.dragMinY) / (currScroller.dragMaxY - currScroller.dragMinY);
+	if (typeof currScroller.funcMove == 'function')
+		currScroller.funcMove(currScroller.value);
+};
+function scrollerMoveStop(e) {
+	if (typeof currScroller.funcStop == 'function')
+		currScroller.funcStop(currScroller.value);
+	currScroller = null;
+	removeListenerMove(window, scrollerMoveMove);
+	removeListenerEnd(window, scrollerMoveStop);
+};
+function setScrollerValue(scroller, value, applyFunc) {
+	var newValue = Math.min(Math.max(scroller.min, value), scroller.max);
+	//if (newValue == scroller.value) return;
+	scroller.value = newValue;
+	scroller.sliderRect[1] = scroller.rect[1] + scroller.rect[2] + (scroller.rect[3] - 2 * scroller.rect[2] - scroller.sliderHeight) * ((scroller.value - scroller.min) / (scroller.max - scroller.min));
+	resizeCanvas(scroller.sliderCanvas, scroller.sliderRect[0], scroller.sliderRect[1]);
+	scroller.update(0);
+	if (!applyFunc && applyFunc == false)
+		return;
+	if (typeof scroller.funcStop == 'function') {
+		scroller.funcStop(scroller.value);
+	} else if (typeof scroller.funcMove == 'function') {
+		scroller.funcMove(scroller.value);
+	}
+}
+function moveScroller(scroller, left, top) {
+	var relTop = scroller.sliderCanvas.data[101] - scroller.canvas.data[100];
+	scroller.sliderRect[0] = left;
+	scroller.sliderRect[1] = top + relTop;
+	scroller.rect[0] = left;
+	scroller.rect[1] = top;
+	scroller.canvas.data[100] = left;
+	scroller.canvas.data[101] = top;
+	resizeCanvas3(scroller.canvas);
+	scroller.sliderCanvas.data[100] = left;
+	scroller.sliderCanvas.data[101] = top + relTop;
+	resizeCanvas3(scroller.sliderCanvas);
+}
+function hideScroller(scroller) {
+	if (un(scroller))
+		return;
+	hideObj(scroller.canvas);
+	hideObj(scroller.sliderCanvas);
+}
+function showScroller(scroller) {
+	if (un(scroller))
+		return;
+	showObj(scroller.canvas);
+	showObj(scroller.sliderCanvas);
+}
+
+function drawArrow(object) {
+	var context = object.context || object.ctx;
+	var startX = object.startX;
+	var startY = object.startY;
+	var finX = object.finX || startX;
+	var finY = object.finY || startY;
+
+	var doubleEnded;
+	if (typeof object.doubleEnded == 'boolean') {
+		doubleEnded = object.doubleEnded
+	} else {
+		doubleEnded = false
+	}
+	var arrowLength = object.arrowLength || 30;
+	var angleBetweenLinesRads = object.angleBetweenLinesRads || 0.5;
+	var fillArrow = boolean(object.fillArrow, false);
+	var showLine = boolean(object.showLine, true);
+	var dash = object.dash || [];
+
+	context.save();
+	context.strokeStyle = object.color || '#000';
+	context.fillStyle = object.color || '#000';
+	context.lineWidth = object.lineWidth || 4;
+
+	if (showLine == true) {
+		//draw line
+		if (typeof context.setLineDash == 'undefined')
+			context.setLineDash = function () {};
+		context.setLineDash(dash);
+		context.beginPath();
+		context.moveTo(startX, startY);
+		context.lineTo(finX, finY);
+		context.stroke();
+	}
+
+	context.lineWidth = object.arrowLineWidth || object.lineWidth || 4;
+	context.beginPath();
+	if (typeof context.setLineDash == 'undefined')
+		context.setLineDash = function () {};
+	context.setLineDash([]);
+	context.lineJoin = 'round';
+	context.lineCap = 'round';
+
+	var posX;
+	var posY;
+	var otherX;
+	var otherY;
+	var endToDraw = "fin";
+
+	do {
+		if (endToDraw == "fin") {
+			posX = finX;
+			posY = finY;
+			otherX = startX;
+			otherY = startY;
+		} else if (endToDraw == "start") {
+			posX = startX;
+			posY = startY;
+			otherX = finX;
+			otherY = finY;
+		}
+
+		var nGradient = (-1 * (posY - otherY)) / (posX - otherX);
+
+		var angleToHorizontal = Math.abs(Math.atan(nGradient));
+		var remainingAngle = Math.PI / 2 - angleBetweenLinesRads - angleToHorizontal;
+
+		var narrowX1,
+		narrowX2,
+		narrowY1,
+		narrowY2;
+
+		if (nGradient == Infinity) {
+			//first half of arrow
+			narrowX1 = Math.sin(remainingAngle) * arrowLength;
+			narrowY1 = Math.cos(remainingAngle) * arrowLength;
+			context.moveTo(posX, posY);
+			context.lineTo(posX + narrowX1, posY + narrowY1);
+
+			// second half of arrow
+			narrowX2 = Math.cos(angleBetweenLinesRads - angleToHorizontal) * arrowLength;
+			narrowY2 = Math.sin(angleBetweenLinesRads - angleToHorizontal) * arrowLength;
+			context.moveTo(posX, posY);
+			context.lineTo(posX + narrowX2, posY - narrowY2);
+
+			if (fillArrow == true)
+				context.lineTo(posX + narrowX1, posY + narrowY1);
+		} else if (nGradient == -Infinity) {
+			//first half of arrow
+			narrowX1 = Math.sin(remainingAngle) * arrowLength;
+			narrowY1 = Math.cos(remainingAngle) * arrowLength;
+			context.moveTo(posX, posY);
+			context.lineTo(posX + narrowX1, posY - narrowY1);
+
+			// second half of arrow
+			narrowX2 = Math.cos(angleBetweenLinesRads - angleToHorizontal) * arrowLength;
+			narrowY2 = Math.sin(angleBetweenLinesRads - angleToHorizontal) * arrowLength;
+			context.moveTo(posX, posY);
+			context.lineTo(posX + narrowX2, posY + narrowY2);
+
+			if (fillArrow == true)
+				context.lineTo(posX + narrowX1, posY - narrowY1);
+		} else
+
+			///case 1 - arrow is pointing up and to the left
+			if (nGradient < 0 && posY < otherY) {
+
+				//first half of arrow
+				narrowX1 = Math.sin(remainingAngle) * arrowLength;
+				narrowY1 = Math.cos(remainingAngle) * arrowLength;
+				context.moveTo(posX, posY);
+				context.lineTo(posX + narrowX1, posY + narrowY1);
+
+				// second half of arrow
+				narrowX2 = Math.cos(angleBetweenLinesRads - angleToHorizontal) * arrowLength;
+				narrowY2 = Math.sin(angleBetweenLinesRads - angleToHorizontal) * arrowLength;
+				context.moveTo(posX, posY);
+				context.lineTo(posX + narrowX2, posY - narrowY2);
+
+				if (fillArrow == true)
+					context.lineTo(posX + narrowX1, posY + narrowY1);
+			} else
+
+				///case 2 - arrow is pointing up and to the right
+				if (nGradient > 0 && posY < otherY) {
+
+					//first half of arrow
+					narrowX1 = Math.sin(remainingAngle) * arrowLength;
+					narrowY1 = Math.cos(remainingAngle) * arrowLength;
+					context.moveTo(posX, posY);
+					context.lineTo(posX - narrowX1, posY + narrowY1);
+
+					// second half of arrow
+					narrowX2 = Math.cos(angleBetweenLinesRads - angleToHorizontal) * arrowLength;
+					narrowY2 = Math.sin(angleBetweenLinesRads - angleToHorizontal) * arrowLength;
+					context.moveTo(posX, posY);
+					context.lineTo(posX - narrowX2, posY - narrowY2);
+
+					if (fillArrow == true)
+						context.lineTo(posX - narrowX1, posY + narrowY1);
+				} else
+
+					//gradient is 0 and pointing right
+					if (nGradient == 0 && posX > otherX) {
+
+						//first half of arrow
+						narrowX1 = Math.sin(remainingAngle) * arrowLength
+							narrowY1 = Math.cos(remainingAngle) * arrowLength
+							context.moveTo(posX, posY)
+							context.lineTo(posX - narrowX1, posY + narrowY1)
+
+							// second half of arrow
+							narrowX2 = Math.cos(angleBetweenLinesRads - angleToHorizontal) * arrowLength
+							narrowY2 = Math.sin(angleBetweenLinesRads - angleToHorizontal) * arrowLength
+							context.moveTo(posX, posY)
+							context.lineTo(posX - narrowX2, posY - narrowY2)
+
+							if (fillArrow == true)
+								context.lineTo(posX - narrowX1, posY + narrowY1);
+					} else
+
+						// gradient is 0 and pointing left
+						if (nGradient == 0 && posX < otherX) {
+
+							//first half of arrow
+							narrowX1 = Math.sin(remainingAngle) * arrowLength
+								narrowY1 = Math.cos(remainingAngle) * arrowLength
+								context.moveTo(posX, posY)
+								context.lineTo(posX + narrowX1, posY + narrowY1)
+
+								// second half of arrow
+								narrowX2 = Math.cos(angleBetweenLinesRads - angleToHorizontal) * arrowLength
+								narrowY2 = Math.sin(angleBetweenLinesRads - angleToHorizontal) * arrowLength
+								context.moveTo(posX, posY)
+								context.lineTo(posX + narrowX2, posY - narrowY2)
+
+								if (fillArrow == true)
+									context.lineTo(posX + narrowX1, posY + narrowY1);
+						} else
+
+							///case 3 - arrow is pointing down and to the right
+							if (nGradient < 0 && posY > otherY) {
+
+								angleBetweenLinesRads = Math.PI - angleBetweenLinesRads
+									remainingAngle = Math.PI / 2 - angleBetweenLinesRads - angleToHorizontal;
+
+								//first half of arrow
+								narrowX1 = Math.sin(remainingAngle) * arrowLength
+									narrowY1 = Math.cos(remainingAngle) * arrowLength
+									context.moveTo(posX, posY)
+									context.lineTo(posX + narrowX1, posY + narrowY1)
+
+									// second half of arrow
+									narrowX2 = Math.cos(angleBetweenLinesRads - angleToHorizontal) * arrowLength
+									narrowY2 = Math.sin(angleBetweenLinesRads - angleToHorizontal) * arrowLength
+									context.moveTo(posX, posY)
+									context.lineTo(posX + narrowX2, posY - narrowY2)
+
+									if (fillArrow == true)
+										context.lineTo(posX + narrowX1, posY + narrowY1);
+							} else
+
+								///case 4 - arrow is pointing down and to the left
+								if (nGradient > 0 && posY > otherY) {
+
+									angleBetweenLinesRads = Math.PI - angleBetweenLinesRads
+										remainingAngle = Math.PI / 2 - angleBetweenLinesRads - angleToHorizontal;
+
+									//first half of arrow
+									narrowX1 = Math.sin(remainingAngle) * arrowLength
+										narrowY1 = Math.cos(remainingAngle) * arrowLength
+										context.moveTo(posX, posY)
+										context.lineTo(posX - narrowX1, posY + narrowY1)
+
+										// second half of arrow
+										narrowX2 = Math.cos(angleBetweenLinesRads - angleToHorizontal) * arrowLength
+										narrowY2 = Math.sin(angleBetweenLinesRads - angleToHorizontal) * arrowLength
+										context.moveTo(posX, posY)
+										context.lineTo(posX - narrowX2, posY - narrowY2)
+
+										if (fillArrow == true)
+											context.lineTo(posX - narrowX1, posY + narrowY1);
+								}
+
+		if (doubleEnded == true && endToDraw == "fin") {
+			endToDraw = "start";
+		} else {
+			endToDraw = "none";
+		}
+	} while (endToDraw !== "none");
+
+	context.closePath();
+	context.stroke();
+	if (fillArrow == true)
+		context.fill();
+	context.restore();
+
+}
+function drawVector(vectorCtx, lineEndPointX1, lineEndPointY1, lineEndPointX2, lineEndPointY2, arrowLength, angleBetweenLinesInRadians, opt_color, opt_lineWidth) {
+
+	if (typeof opt_color == 'undefined') {
+		vectorCtx.strokeStyle = "#000";
+	}
+	if (typeof opt_lineWidth == 'undefined') {
+		vectorCtx.lineWidth = 5;
+	}
+
+	//draw line
+
+	vectorCtx.beginPath();
+	vectorCtx.moveTo(lineEndPointX1, lineEndPointY1);
+	vectorCtx.lineTo(lineEndPointX2, lineEndPointY2);
+
+	//draw Arrow
+	var nMidpointX = (lineEndPointX1 + lineEndPointX2) / 2
+	var nMidpointY = (lineEndPointY1 + lineEndPointY2) / 2
+
+	var nGradient = (-1 * (lineEndPointY2 - lineEndPointY1)) / (lineEndPointX2 - lineEndPointX1);
+
+	var angleToHorizontal = Math.abs(Math.atan(nGradient));
+	var remainingAngle = Math.PI / 2 - angleBetweenLinesInRadians - angleToHorizontal;
+
+	var narrowX;
+	var narrowY;
+
+	///case 1 - arrow is pointing up and to the left
+	if (nGradient < 0 && lineEndPointY2 < lineEndPointY1) {
+
+		//first half of arrow
+
+		narrowX = Math.sin(remainingAngle) * arrowLength
+			narrowY = Math.cos(remainingAngle) * arrowLength
+
+			vectorCtx.moveTo(nMidpointX, nMidpointY)
+			vectorCtx.lineTo(nMidpointX + narrowX, nMidpointY + narrowY)
+
+			// second half of arrow
+
+			narrowX = Math.cos(angleBetweenLinesInRadians - angleToHorizontal) * arrowLength
+			narrowY = Math.sin(angleBetweenLinesInRadians - angleToHorizontal) * arrowLength
+
+			vectorCtx.moveTo(nMidpointX, nMidpointY)
+			vectorCtx.lineTo(nMidpointX + narrowX, nMidpointY - narrowY)
+
+	}
+
+	///case 2 - arrow is pointing up and to the right
+	if (nGradient > 0 && lineEndPointY2 < lineEndPointY1) {
+
+		//first half of arrow
+
+		narrowX = Math.sin(remainingAngle) * arrowLength
+			narrowY = Math.cos(remainingAngle) * arrowLength
+
+			vectorCtx.moveTo(nMidpointX, nMidpointY)
+			vectorCtx.lineTo(nMidpointX - narrowX, nMidpointY + narrowY)
+
+			// second half of arrow
+
+			narrowX = Math.cos(angleBetweenLinesInRadians - angleToHorizontal) * arrowLength
+			narrowY = Math.sin(angleBetweenLinesInRadians - angleToHorizontal) * arrowLength
+
+			vectorCtx.moveTo(nMidpointX, nMidpointY)
+			vectorCtx.lineTo(nMidpointX - narrowX, nMidpointY - narrowY)
+
+	}
+
+	//gradient is 0 and pointing right
+
+
+	if (nGradient == 0 && lineEndPointX2 > lineEndPointX1) {
+
+		//first half of arrow
+
+		narrowX = Math.sin(remainingAngle) * arrowLength
+			narrowY = Math.cos(remainingAngle) * arrowLength
+
+			vectorCtx.moveTo(nMidpointX, nMidpointY)
+			vectorCtx.lineTo(nMidpointX - narrowX, nMidpointY + narrowY)
+
+			// second half of arrow
+
+			narrowX = Math.cos(angleBetweenLinesInRadians - angleToHorizontal) * arrowLength
+			narrowY = Math.sin(angleBetweenLinesInRadians - angleToHorizontal) * arrowLength
+
+			vectorCtx.moveTo(nMidpointX, nMidpointY)
+			vectorCtx.lineTo(nMidpointX - narrowX, nMidpointY - narrowY)
+
+	}
+
+	// gradient is - and pointing left
+
+	if (nGradient == 0 && lineEndPointX2 < lineEndPointX1) {
+
+		//first half of arrow
+
+		narrowX = Math.sin(remainingAngle) * arrowLength
+			narrowY = Math.cos(remainingAngle) * arrowLength
+
+			vectorCtx.moveTo(nMidpointX, nMidpointY)
+			vectorCtx.lineTo(nMidpointX + narrowX, nMidpointY + narrowY)
+
+			// second half of arrow
+
+			narrowX = Math.cos(angleBetweenLinesInRadians - angleToHorizontal) * arrowLength
+			narrowY = Math.sin(angleBetweenLinesInRadians - angleToHorizontal) * arrowLength
+
+			vectorCtx.moveTo(nMidpointX, nMidpointY)
+			vectorCtx.lineTo(nMidpointX + narrowX, nMidpointY - narrowY)
+
+	}
+
+	///case 3 - arrow is pointing down and to the right
+	if (nGradient < 0 && lineEndPointY2 > lineEndPointY1) {
+
+		angleBetweenLinesInRadians = Math.PI - angleBetweenLinesInRadians
+			remainingAngle = Math.PI / 2 - angleBetweenLinesInRadians - angleToHorizontal;
+
+		//first half of arrow
+
+		narrowX = Math.sin(remainingAngle) * arrowLength
+			narrowY = Math.cos(remainingAngle) * arrowLength
+
+			vectorCtx.moveTo(nMidpointX, nMidpointY)
+			vectorCtx.lineTo(nMidpointX + narrowX, nMidpointY + narrowY)
+
+			// second half of arrow
+
+			narrowX = Math.cos(angleBetweenLinesInRadians - angleToHorizontal) * arrowLength
+			narrowY = Math.sin(angleBetweenLinesInRadians - angleToHorizontal) * arrowLength
+
+			vectorCtx.moveTo(nMidpointX, nMidpointY)
+			vectorCtx.lineTo(nMidpointX + narrowX, nMidpointY - narrowY)
+
+	}
+
+	///case 4 - arrow is pointing down and to the left
+	if (nGradient > 0 && lineEndPointY2 > lineEndPointY1) {
+
+		angleBetweenLinesInRadians = Math.PI - angleBetweenLinesInRadians
+			remainingAngle = Math.PI / 2 - angleBetweenLinesInRadians - angleToHorizontal;
+
+		//first half of arrow
+
+		narrowX = Math.sin(remainingAngle) * arrowLength
+			narrowY = Math.cos(remainingAngle) * arrowLength
+
+			vectorCtx.moveTo(nMidpointX, nMidpointY)
+			vectorCtx.lineTo(nMidpointX - narrowX, nMidpointY + narrowY)
+
+			// second half of arrow
+
+			narrowX = Math.cos(angleBetweenLinesInRadians - angleToHorizontal) * arrowLength
+			narrowY = Math.sin(angleBetweenLinesInRadians - angleToHorizontal) * arrowLength
+
+			vectorCtx.moveTo(nMidpointX, nMidpointY)
+			vectorCtx.lineTo(nMidpointX - narrowX, nMidpointY - narrowY)
+
+	}
+
+	vectorCtx.closePath();
+	vectorCtx.stroke();
+
+}
+function measureAngle(object) {
+	// REQUIRED
+	var aPos = object.a; // array: [x,y]
+	var bPos = object.b; // array: [x,y]
+	var cPos = object.c; // array: [x,y]
+
+	// OPTIONAL
+	var angleType = object.angleType || 'radians';
+
+	// Work out the angles seperately - measured in radians anti-clockwise from north
+	var m1 = (bPos[1] - aPos[1]) / (aPos[0] - bPos[0]);
+	var angle1 = (Math.PI / 2 - Math.atan(m1));
+	if (aPos[0] <= bPos[0])
+		angle1 += Math.PI;
+	if (aPos[0] == bPos[0]) { // if infinite gradient
+		if (aPos[1] < bPos[1]) {
+			angle1 = 0;
+		} else {
+			angle1 = Math.PI;
+		}
+	}
+
+	var m2 = (cPos[1] - bPos[1]) / (bPos[0] - cPos[0]);
+	var angle2 = (Math.PI / 2 - Math.atan(m2));
+	if (bPos[0] >= cPos[0])
+		angle2 += Math.PI;
+	if (bPos[0] == cPos[0]) { // if infinite gradient
+		if (bPos[1] > cPos[1]) {
+			angle2 = 0;
+		} else {
+			angle2 = Math.PI;
+		}
+	}
+
+	var angleDiff = angle2 - angle1;
+	if (angle1 > angle2)
+		angleDiff = angle2 - (angle1 - 2 * Math.PI);
+	if (angleType == 'degrees')
+		angleDiff = angleDiff * 180 / Math.PI;
+
+	return angleDiff;
+}
+function drawAngle(obj) {
+	// REQUIRED
+	var ctx = obj.ctx || obj.context;
+	var aPos = obj.a; // array: [x,y]
+	var bPos = obj.b; // array: [x,y]
+	var cPos = obj.c; // array: [x,y]
+
+	// OPTIONAL
+	if (typeof obj.sf !== 'undefined') {
+		var sf = obj.sf;
+	} else {
+		var sf = 1;
+	}
+	if (sf !== 1) {
+		aPos = [aPos[0] * sf, aPos[1] * sf];
+		bPos = [bPos[0] * sf, bPos[1] * sf];
+		cPos = [cPos[0] * sf, cPos[1] * sf];
+	}
+	var labelCtx = obj.labelCtx || ctx;
+	var radius = obj.angleRadius * sf || obj.radius * sf || 35 * sf;
+	var forceRightAngle = boolean(obj.forceRightAngle, false);
+	var squareForRight = boolean(obj.squareForRight, true);
+	var labelIfRight = boolean(obj.labelIfRight, false);
+
+	var drawLines = boolean(obj.drawLines, false);
+	var lineWidth = obj.lineWidth * sf || 4 * sf;
+	var armWidth = obj.armWidth * sf || lineWidth;
+	var lineColor = obj.lineColor || '#000';
+	var armColor = obj.armColor || lineColor;
+
+	var numOfCurves = obj.numOfCurves || 1;
+	var curveGap = obj.curveGap || 4 * sf + lineWidth;
+
+	var drawCurve = boolean(obj.drawCurve, true);
+	var curveWidth = obj.curveWidth * sf || lineWidth;
+	var curveColor = obj.curveColor || lineColor;
+
+	var fill = boolean(obj.fill, false);
+	var fillColor = obj.fillColor || '#CCF';
+	if (fillColor == 'none')
+		fill = false;
+
+	var label = obj.label || [''];
+	var labelFont = obj.labelFont || 'Arial';
+	var labelFontSize = obj.labelFontSize * sf || 30 * sf;
+	var labelColor = obj.labelColor || '#000';
+	var labelRadius = obj.labelRadius * sf || radius * 1.1;
+	var labelBox = obj.labelBox || {
+		type: 'none'
+	};
+	if (boolean(obj.labelBackFill, false) === true) {
+		labelBox = {
+			type: 'tight',
+			color: mainCanvasFillStyle,
+			borderColor: mainCanvasFillStyle,
+			padding: 0.1
+		};
+	}
+
+	var labelMeasure = boolean(obj.labelMeasure, false);
+	var measureRoundTo = obj.measureRoundTo || 1;
+	var angleType = obj.angleType || 'degrees';
+
+	function lowerCaseTest(string) {
+		var upperCase = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789lkhfdb'.split('');
+		for (var i = 0; i < upperCase.length; i++) {
+			if (string.indexOf(upperCase[i]) > -1)
+				return false;
+		}
+		return true;
+	}
+
+	// Work out the angles required - measured in radians anti-clockwise from north
+	var m1 = (bPos[1] - aPos[1]) / (aPos[0] - bPos[0]);
+	var angle1 = (Math.PI / 2 - Math.atan(m1));
+	if (aPos[0] <= bPos[0])
+		angle1 += Math.PI;
+	if (aPos[0] == bPos[0]) { // if infinite gradient
+		if (aPos[1] < bPos[1]) {
+			angle1 = 0;
+		} else {
+			angle1 = Math.PI;
+		}
+	}
+
+	var m2 = (cPos[1] - bPos[1]) / (bPos[0] - cPos[0]);
+	var angle2 = (Math.PI / 2 - Math.atan(m2));
+	if (bPos[0] >= cPos[0])
+		angle2 += Math.PI;
+	if (bPos[0] == cPos[0]) { // if infinite gradient
+		if (bPos[1] > cPos[1]) {
+			angle2 = 0;
+		} else {
+			angle2 = Math.PI;
+		}
+	}
+
+	var angleDiff = angle2 - angle1;
+	if (angle1 > angle2) angleDiff = angle2 - (angle1 - 2 * Math.PI);
+
+	// test if right-angled
+	if (forceRightAngle == true || (squareForRight == true && roundToNearest(angleDiff * 180 / Math.PI, measureRoundTo) == 90)) {
+		var dAngle = angle1 + 0.5 * angleDiff;
+		if (angle1 > angle2) {
+			dAngle = (angle1 - 2 * Math.PI) + 0.5 * angleDiff;
+		}
+		var dPos = [bPos[0] + radius * Math.cos(dAngle - Math.PI / 2), bPos[1] + radius * Math.sin(dAngle - Math.PI / 2)];
+
+		// other vertices of the square
+		var abLength = Math.sqrt(Math.pow(bPos[0] - aPos[0], 2) + Math.pow(bPos[1] - aPos[1], 2));
+		var aPos2 = [bPos[0] + (aPos[0] - bPos[0]) * radius / (abLength * Math.sqrt(2)), bPos[1] + (aPos[1] - bPos[1]) * radius / (abLength * Math.sqrt(2))];
+
+		var bcLength = Math.sqrt(Math.pow(bPos[0] - cPos[0], 2) + Math.pow(bPos[1] - cPos[1], 2));
+		var cPos2 = [bPos[0] + (cPos[0] - bPos[0]) * radius / (bcLength * Math.sqrt(2)), bPos[1] + (cPos[1] - bPos[1]) * radius / (bcLength * Math.sqrt(2))];
+
+		if (fill == true) {
+			ctx.fillStyle = fillColor;
+			ctx.beginPath();
+			ctx.moveTo(bPos[0], bPos[1]);
+			ctx.lineTo(aPos2[0], aPos2[1]);
+			ctx.lineTo(dPos[0], dPos[1]);
+			ctx.lineTo(cPos2[0], cPos2[1]);
+			ctx.closePath();
+			ctx.fill();
+		}
+
+		if (drawLines == true) {
+			ctx.strokeStyle = armColor;
+			ctx.lineWidth = armWidth;
+			ctx.beginPath();
+			ctx.joinCap = 'round';
+			ctx.moveTo(aPos[0], aPos[1]);
+			ctx.lineTo(bPos[0], bPos[1]);
+			ctx.lineTo(cPos[0], cPos[1]);
+			ctx.stroke();
+		}
+
+		if (drawCurve == true) {
+			ctx.strokeStyle = curveColor;
+			ctx.lineWidth = curveWidth;
+			ctx.beginPath();
+			ctx.moveTo(aPos2[0], aPos2[1]);
+			ctx.lineTo(dPos[0], dPos[1]);
+			ctx.lineTo(cPos2[0], cPos2[1]);
+			ctx.stroke();
+		}
+
+		if (labelIfRight == true) {
+			if (labelMeasure == true) {
+				var angleDiff2 = angleDiff;
+				if (angleType == 'degrees')
+					angleDiff2 = angleDiff2 * 180 / Math.PI;
+				angleDiff2 = roundToNearest(angleDiff2, measureRoundTo);
+				label = [String(angleDiff2)];
+				if (angleType == 'degrees') {
+					label = [String(angleDiff2) + String.fromCharCode(0x00B0)]
+				};
+			}
+
+			// work out label position
+			// d is midPoint of ac
+			var dAngle = angle1 + 0.5 * angleDiff;
+			if (angle1 > angle2) {
+				dAngle = (angle1 - 2 * Math.PI) + 0.5 * angleDiff;
+			}
+			var dPos = [bPos[0] + 1.85 * radius * Math.cos(dAngle - Math.PI / 2), bPos[1] + 1.85 * radius * Math.sin(dAngle - Math.PI / 2)];
+
+			if (labelCtx == ctx) {
+				drawMathsText(labelCtx, label, labelFontSize, dPos[0], dPos[1] + 0.5 * labelFontSize, true, [], 'center', 'bottom');
+			} else {
+				var labelCanvas = labelCtx.canvas;
+				var labelWidth = labelCanvas.width;
+				var labelHeight = labelCanvas.height;
+				//console.log(taskObject,pageIndex);
+				//var canvasNum = taskObject.indexOf(labelCanvas);
+				//var labelData = taskObjectData[canvasNum];
+
+				labelCtx.clearRect(0, 0, labelWidth, labelHeight);
+
+				drawMathsText(labelCtx, label, labelFontSize, 0.5 * labelWidth, 0.5 * labelHeight + 0.5 * labelFontSize, true, [], 'center', 'bottom');
+				labelCanvas.data[100] = dPos[0] - 0.5 * labelWidth;
+				labelCanvas.data[101] = dPos[1] - 0.5 * labelHeight;
+				resizeCanvas3(labelCanvas);
+			}
+		} else if (labelCtx !== ctx) {
+			var labelCanvas = labelCtx.canvas;
+			var labelWidth = labelCanvas.width;
+			var labelHeight = labelCanvas.height;
+			labelCtx.clearRect(0, 0, labelWidth, labelHeight);
+		}
+
+	} else {
+		// points at the end of the arc drawn for the angle
+		var abLength = Math.sqrt(Math.pow(bPos[0] - aPos[0], 2) + Math.pow(bPos[1] - aPos[1], 2));
+		var aPos2 = [bPos[0] + (aPos[0] - bPos[0]) * radius / abLength, bPos[1] + (aPos[1] - bPos[1]) * radius / abLength];
+
+		var bcLength = Math.sqrt(Math.pow(bPos[0] - cPos[0], 2) + Math.pow(bPos[1] - cPos[1], 2));
+		var cPos2 = [bPos[0] + (cPos[0] - bPos[0]) * radius / bcLength, bPos[1] + (cPos[1] - bPos[1]) * radius / bcLength];
+
+		if (labelMeasure == true) {
+			var angleDiff2 = angleDiff;
+			if (angleType == 'degrees')
+				angleDiff2 = angleDiff2 * 180 / Math.PI;
+			angleDiff2 = roundToNearest(angleDiff2, measureRoundTo);
+			label = [String(angleDiff2)];
+			if (angleType == 'degrees') {
+				label = [String(angleDiff2) + String.fromCharCode(0x00B0)]
+			};
+		}
+
+		// work out label position
+		// d is midPoint of ac
+		var dAngle = angle1 + 0.5 * angleDiff;
+		if (angle1 > angle2) {
+			dAngle = (angle1 - 2 * Math.PI) + 0.5 * angleDiff;
+		}
+
+		var labelRadiusFactor = 1.5 + 0.11 * (removeTags(label[0]).length - 1);
+		var lowerCaseOnly = lowerCaseTest(removeTags(label[0]));
+		var lcHeightAdjust = 0;
+		if (lowerCaseOnly == true)
+			lcHeightAdjust = labelFontSize / 5;
+
+		if (dAngle < Math.PI / 6 || dAngle > 11 * Math.PI / 6 || (dAngle > 5 * Math.PI / 6 && dAngle < 7 * Math.PI / 6)) {
+			labelRadiusFactor = labelRadiusFactor * 0.9;
+		} else if (dAngle < Math.PI / 4 || dAngle > 7 * Math.PI / 4 || (dAngle > 3 * Math.PI / 4 && dAngle < 5 * Math.PI / 4)) {
+			labelRadiusFactor = labelRadiusFactor * 0.95;
+		}
+
+		var dPos = [bPos[0] + labelRadiusFactor * labelRadius * Math.cos(dAngle - Math.PI / 2), bPos[1] + labelRadiusFactor * labelRadius * Math.sin(dAngle - Math.PI / 2) - lcHeightAdjust];
+
+		/* draw a dot at dPos (for testing angle label position
+		ctx.fillStyle = '#F00';
+		ctx.beginPath();
+		ctx.arc(dPos[0],dPos[1],8,0,2*Math.PI);
+		ctx.closePath();
+		ctx.fill();
+		//*/
+
+		label.unshift('<<color:' + labelColor + '>><<fontSize:' + labelFontSize + '>><<font:' + labelFont + '>>');
+
+		if (fill == true && boolean(obj.measureOnly, true) == true) {
+			ctx.fillStyle = fillColor;
+			ctx.beginPath();
+			ctx.moveTo(bPos[0], bPos[1]);
+			ctx.lineTo(aPos2[0], aPos2[1]);
+			ctx.arc(bPos[0], bPos[1], radius, angle1 - 0.5 * Math.PI, angle2 - 0.5 * Math.PI);
+			ctx.lineTo(cPos2[0], cPos2[1]);
+			ctx.closePath();
+			ctx.fill();
+		}
+		
+		if (drawLines == true && boolean(obj.measureOnly, true) == true) {
+			ctx.strokeStyle = armColor;
+			ctx.lineWidth = armWidth;
+			ctx.joinCap = 'round';
+			ctx.beginPath();
+			ctx.moveTo(aPos[0], aPos[1]);
+			ctx.lineTo(bPos[0], bPos[1]);
+			ctx.lineTo(cPos[0], cPos[1]);
+			ctx.stroke();
+		}
+		
+		if (drawCurve == true && boolean(obj.measureOnly, true) == true) {
+			ctx.strokeStyle = curveColor;
+			ctx.lineWidth = curveWidth;
+			if (numOfCurves == 1) {
+				ctx.beginPath();
+				ctx.moveTo(aPos2[0], aPos2[1]);
+				ctx.arc(bPos[0], bPos[1], Math.abs(radius), angle1 - 0.5 * Math.PI, angle2 - 0.5 * Math.PI);
+				ctx.stroke();
+			} else if (numOfCurves == 2) {
+				ctx.beginPath();
+				ctx.arc(bPos[0], bPos[1], Math.abs(radius - curveGap / 2), angle1 - 0.5 * Math.PI, angle2 - 0.5 * Math.PI);
+				ctx.stroke();
+				ctx.beginPath();
+				ctx.arc(bPos[0], bPos[1], Math.abs(radius + curveGap / 2), angle1 - 0.5 * Math.PI, angle2 - 0.5 * Math.PI);
+				ctx.stroke();
+			} else if (numOfCurves == 3) {
+				ctx.beginPath();
+				ctx.arc(bPos[0], bPos[1], Math.abs(radius - curveGap), angle1 - 0.5 * Math.PI, angle2 - 0.5 * Math.PI);
+				ctx.stroke();
+				ctx.beginPath();
+				ctx.arc(bPos[0], bPos[1], Math.abs(radius), angle1 - 0.5 * Math.PI, angle2 - 0.5 * Math.PI);
+				ctx.stroke();
+				ctx.beginPath();
+				ctx.arc(bPos[0], bPos[1], Math.abs(radius + curveGap), angle1 - 0.5 * Math.PI, angle2 - 0.5 * Math.PI);
+				ctx.stroke();
+			}
+		}
+
+		if (labelCtx == ctx) {
+			if (boolean(obj.measureLabelOnly, false) == true) {
+				var angleLabelPos = [dPos[0] - 57.8 / 2, dPos[1] - 25, 57.8, 50];
+			} else {
+				var angleLabelPos = text({
+						ctx: labelCtx,
+						left: dPos[0] - 200,
+						top: dPos[1] - 200,
+						width: 400,
+						height: 400,
+						textArray: label,
+						align: 'center',
+						vertAlign: 'middle',
+						box: labelBox,
+						minTightWidth: 1,
+						minTightHeight: 1
+					}).tightRect;
+			}
+		} else {
+			var labelCanvas = labelCtx.canvas;
+			var labelWidth = labelCanvas.width;
+			var labelHeight = labelCanvas.height;
+			//var canvasNum = taskObject[pageIndex].indexOf(labelCanvas);
+			//var labelData = taskObjectData[pageIndex][canvasNum];
+
+			labelCtx.clearRect(0, 0, labelWidth, labelHeight);
+
+			drawMathsText(labelCtx, label, labelFontSize, 0.5 * labelWidth, 0.5 * labelHeight + 0.5 * labelFontSize, true, [], 'center', 'bottom');
+			labelCanvas.data[100] = dPos[0] - 0.5 * labelWidth;
+			labelCanvas.data[101] = dPos[1] - 0.5 * labelHeight;
+			resizeCanvas3(labelCanvas);
+			//resize();
+		}
+	}
+	return angleLabelPos;
+
+}
+function getAngleMidAngle(obj) {
+	// Work out the angles required - measured in radians anti-clockwise from north
+	var m1 = (obj.b[1] - obj.a[1]) / (obj.a[0] - obj.b[0]);
+	var angle1 = (Math.PI / 2 - Math.atan(m1));
+	if (obj.a[0] <= obj.b[0])
+		angle1 += Math.PI;
+	if (obj.a[0] == obj.b[0]) { // if infinite gradient
+		if (obj.a[1] < obj.b[1]) {
+			angle1 = 0;
+		} else {
+			angle1 = Math.PI;
+		}
+	}
+
+	var m2 = (obj.c[1] - obj.b[1]) / (obj.b[0] - obj.c[0]);
+	var angle2 = (Math.PI / 2 - Math.atan(m2));
+	if (obj.b[0] >= obj.c[0])
+		angle2 += Math.PI;
+	if (obj.b[0] == obj.c[0]) { // if infinite gradient
+		if (obj.b[1] > obj.c[1]) {
+			angle2 = 0;
+		} else {
+			angle2 = Math.PI;
+		}
+	}
+	
+	if (angle1 > angle2) {
+		var angleDiff = angle2 - (angle1 - 2 * Math.PI);
+	} else {
+		var angleDiff = angle2 - angle1;
+	}
+	
+	var dAngle = angle1 + 0.5 * angleDiff;
+	if (angle1 > angle2) {
+		dAngle = (angle1 - 2 * Math.PI) + 0.5 * angleDiff;
+	}
+	return dAngle - Math.PI / 2;
+}
+function getAngleLabelPos(obj,radius) {
+	var angle = getAngleMidAngle(obj);
+	return [obj.b[0]+radius*Math.cos(angle),obj.b[1]+radius*Math.sin(angle)]
+}
+function drawStar(obj) {
+	var ctx = obj.ctx;
+	var c = obj.center || obj.c;
+	var r = obj.radius || obj.r;
+	var p = obj.points || obj.p || 5;
+	var s = obj.step || obj.s || 2;
+	var vertices = [];
+	for (var i = 0; i < p; i++) {
+		var angle = -Math.PI / 2 + i * (2 * Math.PI) / p;
+		vertices.push([c[0] + r * Math.cos(angle), c[1] + r * Math.sin(angle)]);
+	}
+	ctx.moveTo(vertices[0][0], vertices[0][1]);
+	for (var i = p; i >= 0; i--) {
+		ctx.lineTo(vertices[(i * s) % p][0], vertices[(i * s) % p][1]);
+	}
+}
+function drawAnglesAroundPoint(obj) {
+	/* eg.
+	drawAnglesAroundPoint({
+	ctx:ctx1,
+	center:[400,300],
+	points:[[300,300],[400,200],[450,250],[480,320]],
+	lineColor:'#000',
+	thickness:4,
+	angles:[{fill:true,fillColor:"#CFC",lineWidth:2,labelFontSize:25,labelMeasure:true,labelRadius:33,radius:30},{fill:false,fillColor:"#CFC",lineWidth:2,labelFontSize:25,labelMeasure:true,labelRadius:33,radius:30},{fill:true,fillColor:"#CFC",lineWidth:2,labelFontSize:25,labelMeasure:true,labelRadius:33,radius:30},{fill:false,fillColor:"#CFC",lineWidth:2,labelFontSize:25,labelMeasure:true,labelRadius:33,radius:30}
+	]
+	});
+	 */
+
+	// required
+	var ctx = obj.ctx;
+	var points = obj.points;
+	var center = obj.center;
+
+	// optional
+	var lineColor = obj.lineColor || obj.color || false;
+	var lineWidth = obj.lineWidth || obj.thickness || false;
+	var angles = obj.angles || [];
+
+	ctx.save();
+	ctx.lineJoin = 'round';
+	ctx.lineCap = 'round';
+	ctx.lineWidth = lineWidth;
+	ctx.strokeStye = lineColor;
+
+	var angleLabelPos = [];
+
+	for (var i = 0; i < points.length; i++) {
+		if (typeof angles[i] == 'object' && angles[i] !== null) {
+			angles[i].ctx = ctx;
+			angles[i].b = center;
+			angles[i].a = points[i];
+			if (i == points.length - 1) {
+				angles[i].c = points[0];
+			} else {
+				angles[i].c = points[i + 1];
+			}
+			angles[i].drawLines = false;
+			if (typeof angles[i].lineWidth == 'undefined')
+				angles[i].lineWidth = ctx.lineWidth;
+			if (typeof angles[i].lineColor == 'undefined')
+				angles[i].lineColor = ctx.lineWidth;
+			if (typeof angles[i].labelColor == 'undefined')
+				angles[i].labelColor = ctx.strokeStyle;
+			angleLabelPos[i] = drawAngle(angles[i]);
+		}
+	}
+
+	ctx.lineWidth = lineWidth;
+	ctx.strokeStye = lineColor;
+	ctx.beginPath();
+	for (var p = 0; p < points.length; p++) {
+		ctx.moveTo(center[0], center[1]);
+		ctx.lineTo(points[p][0], points[p][1]);
+	}
+	ctx.stroke();
+	ctx.restore();
+
+	return angleLabelPos;
+}
+function drawCylinder(obj) {
+	var ctx = obj.ctx;
+	var pos = obj.pos; // position of centre of base
+	var h = obj.h || obj.height;
+	var r = obj.r || obj.radius;
+
+	var direction = obj.direction || obj.dir || 'vert'; // 'vert', 'horiz1' or 'horiz2'
+	var angle = obj.angle || Math.PI / 6; // for 'horiz2' only
+
+	var lineWidth = obj.lineWidth || obj.thickness || false;
+	var lineColor = obj.lineColor || obj.color || false;
+	var lineDash = obj.lineDash || [];
+
+	ctx.save();
+	if (lineWidth !== false)
+		ctx.lineWidth = lineWidth;
+	if (lineColor !== false)
+		ctx.strokeStyle = lineColor;
+	ctx.lineJoin = 'round';
+	ctx.lineCap = 'round';
+
+	var transparent = boolean(obj.transparent, true);
+	var backLineWidth = obj.lineWidth;
+	var backLineColor = obj.backLineWidth || getShades(ctx.strokeStyle)[8];
+	var backLineDash = obj.backLineDash || [7, 10];
+
+	var fill = boolean(obj.fill, false);
+	if (typeof obj.fillColors !== 'undefined') {
+		var fillColors = obj.fillColors;
+	} else if (typeof obj.fillColor !== 'undefined') {
+		var fillColors = [obj.fillColor, obj.fillColor];
+	} else {
+		var fillColors = ['#FCC', '#CFC'];
+	}
+
+	ctx.translate(pos[0], pos[1]);
+
+	if (direction == 'vert') {
+		ctx.scale(1, 0.4);
+
+		// draw back of bottom ellipse
+		if (transparent == true && fill == false) {
+			ctx.save();
+			ctx.lineWidth = backLineWidth;
+			ctx.strokeStyle = backLineColor;
+			ctx.setLineDash(backLineDash);
+			ctx.beginPath();
+			ctx.arc(0, 0, r, Math.PI, 2 * Math.PI);
+			ctx.stroke();
+			ctx.restore();
+		}
+
+		// draw front
+		ctx.beginPath();
+		ctx.moveTo(r, 0);
+		ctx.arc(0, 0, r, 0, Math.PI);
+		ctx.lineTo(-r, -h / 0.4);
+		ctx.arc(0, -h / 0.4, r, Math.PI, 0, true);
+		ctx.lineTo(r, 0);
+		if (fill == true) {
+			ctx.fillStyle = fillColors[0];
+			ctx.fill();
+		}
+		ctx.stroke();
+
+		// draw top
+		ctx.beginPath();
+		ctx.arc(0, -h / 0.4, r, 0, 2 * Math.PI);
+		if (fill == true && typeof fillColors[1] !== 'undefined' && fillColors[1] !== 'none' && fillColors[1] !== false) {
+			ctx.fillStyle = fillColors[1];
+			ctx.fill();
+		}
+		ctx.stroke();
+	} else if (direction == 'horiz1') {
+		ctx.scale(0.4, 1);
+
+		// draw back of right ellipse
+		if (transparent == true && fill == false) {
+			ctx.save();
+			ctx.lineWidth = backLineWidth;
+			ctx.strokeStyle = backLineColor;
+			ctx.setLineDash(backLineDash);
+			ctx.beginPath();
+			ctx.arc(0, 0, r, 0.5 * Math.PI, 1.5 * Math.PI);
+			ctx.stroke();
+			ctx.restore();
+		}
+
+		// draw front
+		ctx.beginPath();
+		ctx.moveTo(0, r);
+		ctx.arc(0, 0, r, 0.5 * Math.PI, 1.5 * Math.PI, true);
+		ctx.lineTo(-h / 0.4, -r);
+		ctx.arc(-h / 0.4, 0, r, 1.5 * Math.PI, 0.5 * Math.PI);
+		ctx.lineTo(0, r);
+		if (fill == true) {
+			ctx.fillStyle = fillColors[0];
+			ctx.fill();
+		}
+		ctx.stroke();
+
+		// draw left ellipse
+		ctx.beginPath();
+		ctx.arc(-h / 0.4, 0, r, 0, 2 * Math.PI);
+		if (fill == true && typeof fillColors[1] !== 'undefined' && fillColors[1] !== 'none' && fillColors[1] !== false) {
+			ctx.fillStyle = fillColors[1];
+			ctx.fill();
+		}
+		ctx.stroke();
+	} else if (direction == 'horiz2') {
+		var pos2 = [h * Math.cos(angle), -h * Math.sin(angle)];
+		var angle1 = Math.PI / 2 - angle;
+		var angle2 = -angle - 0.5 * Math.PI;
+		var a = [r * Math.cos(angle1), r * Math.sin(angle1)];
+		var b = [r * Math.cos(angle2), r * Math.sin(angle2)];
+		var c = [pos2[0] + r * Math.cos(angle1), pos2[1] + r * Math.sin(angle1)];
+		var d = [pos2[0] + r * Math.cos(angle2), pos2[1] + r * Math.sin(angle2)];
+
+		// draw back of right circle
+		if (transparent == true && fill == false) {
+			ctx.save();
+			ctx.lineWidth = backLineWidth;
+			ctx.strokeStyle = backLineColor;
+			ctx.setLineDash(backLineDash);
+			ctx.beginPath();
+			ctx.arc(pos2[0], pos2[1], r, angle1, angle2);
+			ctx.stroke();
+			ctx.restore();
+		}
+
+		// front
+		ctx.beginPath();
+		ctx.moveTo(d[0], d[1]);
+		ctx.arc(pos2[0], pos2[1], r, angle2, angle1);
+		ctx.lineTo(a[0], a[1]);
+		ctx.arc(0, 0, r, angle1, angle2, true);
+		ctx.lineTo(d[0], d[1]);
+		if (fill == true) {
+			ctx.fillStyle = fillColors[0];
+			ctx.fill();
+		}
+		ctx.stroke();
+
+		// front circle
+		ctx.beginPath();
+		ctx.arc(0, 0, r, 0, 2 * Math.PI);
+		if (fill == true && typeof fillColors[1] !== 'undefined' && fillColors[1] !== 'none' && fillColors[1] !== false) {
+			ctx.fillStyle = fillColors[1];
+			ctx.fill();
+		}
+		ctx.stroke();
+	}
+
+	ctx.restore();
+}
+function drawCuboid(obj) {
+	var ctx = obj.ctx;
+	var x = obj.x || obj.pos[0];
+	var y = obj.y || obj.pos[1];
+	var z = obj.z || obj.pos[2];
+	var xd = obj.xd || obj.dims[0];
+	var yd = obj.yd || obj.dims[1];
+	var zd = obj.zd || obj.dims[2];
+
+	var labels = obj.labels;
+	var unitBaseVectors = obj.unitBaseVectors || [[Math.sqrt(3) / 2, -1 / 2], [-Math.sqrt(3) / 2, -1 / 2], [0, -1]];
+	var unitLength = obj.unitLength || 15;
+	var baseVector = obj.baseVector || obj.baseVectors || [[unitLength * unitBaseVectors[0][0], unitLength * unitBaseVectors[0][1]], [unitLength * unitBaseVectors[1][0], unitLength * unitBaseVectors[1][1]], [unitLength * unitBaseVectors[2][0], unitLength * unitBaseVectors[2][1]]];
+	var origin = obj.origin || [0, 700];
+	var mag = obj.mag || 15;
+
+	var lineWidth = obj.lineWidth || obj.thickness || false;
+	var lineColor = obj.lineColor || obj.color || false;
+	var lineDash = obj.lineDash || [];
+
+	var showUnitCubes = boolean(obj.showUnitCubes, false);
+
+	ctx.save();
+	if (lineWidth !== false)
+		ctx.lineWidth = lineWidth;
+	if (lineColor !== false)
+		ctx.strokeStyle = lineColor;
+	ctx.lineJoin = 'round';
+	ctx.lineCap = 'round';
+
+	var transparent = boolean(obj.transparent, true);
+	var backLineWidth = obj.lineWidth;
+	var backLineColor = obj.backLineWidth || getShades(ctx.strokeStyle)[8];
+	var backLineDash = obj.backLineDash || [7, 10];
+
+	var fill = boolean(obj.fill, false);
+	if (typeof obj.fillColors !== 'undefined') {
+		var fillColors = obj.fillColors
+	} else if (typeof obj.fillColor !== 'undefined') {
+		var fillColors = [obj.fillColor, obj.fillColor, obj.fillColor];
+	} else {
+		var fillColors = ['#FCC', '#CFC', '#CCF'];
+	}
+
+	var cuboid = [[x, y, z], [x + xd, y, z], [x + xd, y + yd, z], [x, y + yd, z], [x, y, z + zd], [x + xd, y, z + zd], [x + xd, y + yd, z + zd], [x, y + yd, z + zd]];
+	var cuboidPos = [];
+	for (var v = 0; v < cuboid.length; v++) {
+		cuboidPos[v] = [];
+
+		cuboidPos[v][0] = origin[0];
+		cuboidPos[v][0] += cuboid[v][0] * baseVector[0][0];
+		cuboidPos[v][0] += cuboid[v][1] * baseVector[1][0];
+		cuboidPos[v][0] += cuboid[v][2] * baseVector[2][0];
+
+		cuboidPos[v][1] = origin[1];
+		cuboidPos[v][1] += cuboid[v][0] * baseVector[0][1];
+		cuboidPos[v][1] += cuboid[v][1] * baseVector[1][1];
+		cuboidPos[v][1] += cuboid[v][2] * baseVector[2][1];
+	}
+
+	if (fill == true) {
+		ctx.fillStyle = fillColors[0];
+		if (baseVector[0][0] * baseVector[2][1] - baseVector[0][1] * baseVector[2][0] > 0) {
+			ctx.beginPath();
+			ctx.moveTo(cuboidPos[3][0], cuboidPos[3][1]);
+			ctx.lineTo(cuboidPos[2][0], cuboidPos[2][1]);
+			ctx.lineTo(cuboidPos[6][0], cuboidPos[6][1]);
+			ctx.lineTo(cuboidPos[7][0], cuboidPos[7][1]);
+			ctx.lineTo(cuboidPos[3][0], cuboidPos[3][1]);
+			ctx.closePath();
+			ctx.fill();
+			ctx.stroke();
+		} else {
+			ctx.beginPath();
+			ctx.moveTo(cuboidPos[0][0], cuboidPos[0][1]);
+			ctx.lineTo(cuboidPos[1][0], cuboidPos[1][1]);
+			ctx.lineTo(cuboidPos[5][0], cuboidPos[5][1]);
+			ctx.lineTo(cuboidPos[4][0], cuboidPos[4][1]);
+			ctx.lineTo(cuboidPos[0][0], cuboidPos[0][1]);
+			ctx.closePath();
+			ctx.fill();
+			ctx.stroke();
+		}
+
+		ctx.fillStyle = fillColors[1];
+		if (baseVector[0][0] * baseVector[1][1] - baseVector[0][1] * baseVector[1][0] > 0) {
+			ctx.beginPath();
+			ctx.moveTo(cuboidPos[0][0], cuboidPos[0][1]);
+			ctx.lineTo(cuboidPos[1][0], cuboidPos[1][1]);
+			ctx.lineTo(cuboidPos[2][0], cuboidPos[2][1]);
+			ctx.lineTo(cuboidPos[3][0], cuboidPos[3][1]);
+			ctx.lineTo(cuboidPos[0][0], cuboidPos[0][1]);
+			ctx.closePath();
+			ctx.fill();
+			ctx.stroke();
+		} else {
+			ctx.beginPath();
+			ctx.moveTo(cuboidPos[4][0], cuboidPos[4][1]);
+			ctx.lineTo(cuboidPos[5][0], cuboidPos[5][1]);
+			ctx.lineTo(cuboidPos[6][0], cuboidPos[6][1]);
+			ctx.lineTo(cuboidPos[7][0], cuboidPos[7][1]);
+			ctx.lineTo(cuboidPos[4][0], cuboidPos[4][1]);
+			ctx.closePath();
+			ctx.fill();
+			ctx.stroke();
+		}
+
+		ctx.fillStyle = fillColors[2];
+		if (baseVector[2][0] * baseVector[1][1] - baseVector[2][1] * baseVector[1][0] > 0) {
+			ctx.beginPath();
+			ctx.moveTo(cuboidPos[2][0], cuboidPos[2][1]);
+			ctx.lineTo(cuboidPos[1][0], cuboidPos[1][1]);
+			ctx.lineTo(cuboidPos[5][0], cuboidPos[5][1]);
+			ctx.lineTo(cuboidPos[6][0], cuboidPos[6][1]);
+			ctx.lineTo(cuboidPos[2][0], cuboidPos[2][1]);
+			ctx.closePath();
+			ctx.fill();
+			ctx.stroke();
+		} else {
+			ctx.beginPath();
+			ctx.moveTo(cuboidPos[0][0], cuboidPos[0][1]);
+			ctx.lineTo(cuboidPos[3][0], cuboidPos[3][1]);
+			ctx.lineTo(cuboidPos[7][0], cuboidPos[7][1]);
+			ctx.lineTo(cuboidPos[4][0], cuboidPos[4][1]);
+			ctx.lineTo(cuboidPos[0][0], cuboidPos[0][1]);
+			ctx.closePath();
+			ctx.fill();
+			ctx.stroke();
+		}
+	}
+
+	if (fill == false && transparent == true) {
+		ctx.save();
+		ctx.lineWidth = backLineWidth;
+		ctx.strokeStyle = backLineColor;
+		ctx.setLineDash(backLineDash);
+		ctx.beginPath();
+		ctx.moveTo(cuboidPos[1][0], cuboidPos[1][1]);
+		ctx.lineTo(cuboidPos[2][0], cuboidPos[2][1]);
+		ctx.moveTo(cuboidPos[2][0], cuboidPos[2][1]);
+		ctx.lineTo(cuboidPos[3][0], cuboidPos[3][1]);
+		ctx.moveTo(cuboidPos[2][0], cuboidPos[2][1]);
+		ctx.lineTo(cuboidPos[6][0], cuboidPos[6][1]);
+		ctx.stroke();
+		ctx.restore();
+	}
+
+	ctx.beginPath();
+	//base
+	ctx.moveTo(cuboidPos[0][0], cuboidPos[0][1]);
+	ctx.lineTo(cuboidPos[1][0], cuboidPos[1][1]);
+	ctx.moveTo(cuboidPos[0][0], cuboidPos[0][1]);
+	ctx.lineTo(cuboidPos[3][0], cuboidPos[3][1]);
+	//sides
+	ctx.moveTo(cuboidPos[0][0], cuboidPos[0][1]);
+	ctx.lineTo(cuboidPos[4][0], cuboidPos[4][1]);
+	ctx.moveTo(cuboidPos[1][0], cuboidPos[1][1]);
+	ctx.lineTo(cuboidPos[5][0], cuboidPos[5][1]);
+	ctx.moveTo(cuboidPos[3][0], cuboidPos[3][1]);
+	ctx.lineTo(cuboidPos[7][0], cuboidPos[7][1]);
+	//top
+	ctx.moveTo(cuboidPos[4][0], cuboidPos[4][1]);
+	ctx.lineTo(cuboidPos[5][0], cuboidPos[5][1]);
+	ctx.lineTo(cuboidPos[6][0], cuboidPos[6][1]);
+	ctx.lineTo(cuboidPos[7][0], cuboidPos[7][1]);
+	ctx.lineTo(cuboidPos[4][0], cuboidPos[4][1]);
+	ctx.closePath();
+	ctx.stroke();
+
+	/*
+	ctx.fillStyle = '#FFC';
+	ctx.fillRect(0.5*(cuboidPos[0][0]+cuboidPos[1][0])+8,0.5*(cuboidPos[0][1]+cuboidPos[1][1])-5,19,40);
+	ctx.fillRect(0.5*(cuboidPos[0][0]+cuboidPos[3][0])-8,0.5*(cuboidPos[0][1]+cuboidPos[3][1])-5,-19,40);
+	ctx.fillRect(0.5*(cuboidPos[3][0]+cuboidPos[7][0])-8,0.5*(cuboidPos[3][1]+cuboidPos[7][1])-5,-79,40);
+	 */
+
+	if (showUnitCubes == true) {
+		ctx.beginPath();
+
+		for (var i = 1; i < xd; i++) {
+			var pos1 = interpolateTwoPoints(cuboidPos[0], cuboidPos[1], i / xd);
+			var pos2 = interpolateTwoPoints(cuboidPos[4], cuboidPos[5], i / xd);
+			ctx.moveTo(pos1[0], pos1[1]);
+			ctx.lineTo(pos2[0], pos2[1]);
+
+			var pos1 = interpolateTwoPoints(cuboidPos[4], cuboidPos[5], i / xd);
+			var pos2 = interpolateTwoPoints(cuboidPos[7], cuboidPos[6], i / xd);
+			ctx.moveTo(pos1[0], pos1[1]);
+			ctx.lineTo(pos2[0], pos2[1]);
+		}
+
+		for (var i = 1; i < yd; i++) {
+			var pos1 = interpolateTwoPoints(cuboidPos[3], cuboidPos[0], i / yd);
+			var pos2 = interpolateTwoPoints(cuboidPos[7], cuboidPos[4], i / yd);
+			ctx.moveTo(pos1[0], pos1[1]);
+			ctx.lineTo(pos2[0], pos2[1]);
+
+			var pos1 = interpolateTwoPoints(cuboidPos[6], cuboidPos[5], i / yd);
+			var pos2 = interpolateTwoPoints(cuboidPos[7], cuboidPos[4], i / yd);
+			ctx.moveTo(pos1[0], pos1[1]);
+			ctx.lineTo(pos2[0], pos2[1]);
+		}
+
+		for (var i = 1; i < zd; i++) {
+			var pos1 = interpolateTwoPoints(cuboidPos[0], cuboidPos[4], i / zd);
+			var pos2 = interpolateTwoPoints(cuboidPos[1], cuboidPos[5], i / zd);
+			ctx.moveTo(pos1[0], pos1[1]);
+			ctx.lineTo(pos2[0], pos2[1]);
+
+			var pos1 = interpolateTwoPoints(cuboidPos[0], cuboidPos[4], i / zd);
+			var pos2 = interpolateTwoPoints(cuboidPos[3], cuboidPos[7], i / zd);
+			ctx.moveTo(pos1[0], pos1[1]);
+			ctx.lineTo(pos2[0], pos2[1]);
+		}
+
+		ctx.stroke();
+	}
+
+	if (typeof labels !== 'undefined') {
+		text({
+			ctx: ctx,
+			left: 0.5 * (cuboidPos[0][0] + cuboidPos[1][0]) + 10,
+			top: 0.5 * (cuboidPos[0][1] + cuboidPos[1][1]) - 5,
+			width: 200,
+			textArray: labels[0]
+		});
+
+		text({
+			ctx: ctx,
+			left: 0.5 * (cuboidPos[0][0] + cuboidPos[3][0]) - 210,
+			top: 0.5 * (cuboidPos[0][1] + cuboidPos[3][1]) - 5,
+			width: 200,
+			align: 'right',
+			textArray: labels[1]
+		});
+
+		text({
+			ctx: ctx,
+			left: 0.5 * (cuboidPos[3][0] + cuboidPos[7][0]) - 210,
+			top: 0.5 * (cuboidPos[3][1] + cuboidPos[7][1]) - 5,
+			width: 200,
+			align: 'right',
+			textArray: labels[2]
+		});
+	}
+	ctx.restore();
+}
+function drawTreeDiagram(obj) {
+	var ctx = obj.ctx;
+	var left = obj.left;
+	var top = obj.top;
+	var width = obj.width;
+	var height = obj.height;
+	var branches = obj.branches || [2, 2];
+
+	/*
+	var endLabelFontSize = obj.endLabelFontSize || obj.fontSize || width/20;
+	var midLabelFontSize = obj.midLabelFontSize || obj.fontSize || width/20
+	var labels = obj.labels || [[['win','lose']],[['win','lose],['win','lose']]];
+	var probabilities = obj.probabilities || [[[[1,2],[1,2]]],[[[1,3],[2,3]],[[3,4],[1,4]]]];
+	var branchColors = obj.branchColors || [[['#000','#000']],[[['#F00','#00F'],['#000','#000']]]];
+	var endLabelColors = obj.endLabelColors || [[['#000','#000']],[[['#F00','#00F'],['#000','#000']]]];
+	var midLabelColors = obj.midLabelColors || [[['#000','#000']],[[['#F00','#00F'],['#000','#000']]]];
+	var branchLineWidths = obj.branchLineWidths || [[[3]],[[3,3],[3,3]]];
+	 */
+
+	var labels = obj.labels || [['<<fontSize:30>>win'], ['<<fontSize:30>>draw'], ['<<fontSize:30>>lose']]
+		var probabilities = obj.probabilities || [['<<fontSize:30>>', ['frac', ['1'], ['4']]], ['<<fontSize:30>>', ['frac', ['1'], ['2']]], ['<<fontSize:30>>', ['frac', ['1'], ['4']]]];
+
+	var hiddenCanvas = document.createElement('canvas');
+	var ctx2 = hiddenCanvas.getContext('2d');
+	var labelTightRects = [];
+	var maxLabelWidth = 0;
+	for (var i = 0; i < labels.length; i++) {
+		labelTightRects[i] = text({
+				ctx: ctx2,
+				textArray: labels[i],
+				measureOnly: true
+			}).tightRect;
+		maxLabelWidth = Math.max(maxLabelWidth, labelTightRects[i][2] + 15);
+	}
+
+	var branchWidth = (width - maxLabelWidth * branches.length) / branches.length;
+
+	ctx.save();
+	ctx.lineWidth = 3;
+	ctx.lineCap = 'round';
+	ctx.lineJoin = 'round';
+
+	for (var i = 0; i < branches.length; i++) { // each vertical set of branches
+		var forkPoints = 1;
+		if (i > 0) {
+			for (var j = 0; j < i; j++) {
+				forkPoints = forkPoints * branches[j];
+			}
+		}
+		var startX = left + i * branchWidth + i * maxLabelWidth;
+		var finX = startX + branchWidth;
+		var h = height / forkPoints; // height of surrouding rect for this fork point;
+		for (var j = 0; j < forkPoints; j++) {
+			var t = top + j * h;
+			var startY = t + 0.5 * h;
+			for (var k = 0; k < branches[i]; k++) { // each branch emanating from the fork point
+				if (branches[i] == 2) {
+					var finY = t + ((2 * k + 1) / 4) * h;
+				} else if (branches[i] == 3) {
+					var finY = t + ((2 * k + 1) / 6) * h;
+				}
+				//draw branch
+				ctx.beginPath();
+				ctx.moveTo(startX, startY);
+				ctx.lineTo(finX, finY);
+				ctx.stroke();
+				//draw endLabel
+				text({
+					ctx: ctx,
+					textArray: labels[k],
+					left: finX,
+					top: finY - labelTightRects[k][3] / 2,
+					width: maxLabelWidth,
+					height: labelTightRects[k][3],
+					align: 'center',
+					horizAlign: 'middle',
+					box: {
+						type: 'none',
+						borderColor: '#00F',
+						padding: 0.001
+					}
+				});
+				//draw midLabel
+				var prob = probabilities[k];
+				var measure = text({
+						ctx: ctx2,
+						textArray: prob,
+						measureOnly: true
+					}).tightRect;
+				var l2 = (startX + finX) / 2 - measure[2] / 2;
+				if (k < branches[i] - 1) {
+					var t2 = (startY + finY) / 2 - measure[3] * 1.1;
+				} else {
+					var t2 = (startY + finY) / 2; ;
+				}
+				text({
+					ctx: ctx,
+					textArray: prob,
+					left: l2,
+					top: t2,
+					width: measure[2],
+					height: measure[3],
+					align: 'center',
+					horizAlign: 'middle',
+					box: {
+						type: 'none',
+						borderColor: '#F00',
+						padding: 0.001
+					}
+				});
+			}
+		}
+	}
+	ctx.restore();
+}
+function drawSpinner(context, center, radius, sectorAngles, sectorColors, arrowAngle, showArrow) {
+	if (typeof arrowAngle == 'undefined')
+		arrowAngle = -Math.PI / 4;
+	var show = boolean(showArrow, true);
+
+	//work out angles in radians;
+	var vals = [];
+	var total = 0;
+	for (var val = 0; val < sectorAngles.length; val++) {
+		total += sectorAngles[val];
+	}
+	var angles = [0]; // cumulative angle array
+	for (var val = 0; val < sectorAngles.length; val++) {
+		angles.push(angles[val] + (sectorAngles[val] / total) * 2 * Math.PI);
+	}
+
+	context.lineWidth = 4;
+	context.strokeStyle = '#000';
+	for (var val = 0; val < sectorAngles.length; val++) {
+		// draw a sector
+		context.fillStyle = sectorColors[val];
+		context.beginPath();
+		context.moveTo(center[0], center[1]);
+		context.arc(center[0], center[1], radius, angles[val], angles[val + 1]);
+		context.lineTo(center[0], center[1]);
+		context.closePath();
+		context.fill();
+		context.stroke();
+	}
+
+	if (show == true) {
+		context.strokeStyle = "#000";
+		context.lineWidth = 4;
+		context.beginPath();
+		context.moveTo(center[0], center[1]);
+		context.lineTo(center[0] + 0.75 * radius * Math.cos(arrowAngle), center[1] + 0.75 * radius * Math.sin(arrowAngle));
+		context.stroke();
+		drawArrow({
+			context: context,
+			startX: center[0],
+			startY: center[1],
+			finX: center[0] + 0.75 * radius * Math.cos(arrowAngle),
+			finY: center[1] + 0.75 * radius * Math.sin(arrowAngle),
+			arrowLength: 13,
+			color: "#000000",
+			lineWidth: 4,
+			arrowLineWidth: 4,
+			fillArrow: true
+		});
+		context.fillStyle = "#000";
+		context.beginPath();
+		context.arc(center[0], center[1], 5, 0, 2 * Math.PI);
+		context.fill();
+	}
+}
+function vennDiagram(obj) {
+	var ctx = obj.ctx;
+	var l = obj.left || obj.l || 0;
+	var t = obj.top || obj.t || 0;
+	var w = obj.width || obj.w || 400;
+	var h = obj.height || obj.h || w * 0.65;
+	var radius = obj.radius || obj.r || w * 0.25;
+	var centerA = obj.centerA || [l + w * 0.35, t + h / 2];
+	var centerB = obj.centerB || [l + w * 0.65, t + h / 2];
+	var lineWidth = obj.lineWidth || 4;
+	var lineDash = obj.lineDash || [];
+	var strokeStyle = obj.strokeStyle || '#000';
+	var colorA = obj.colorA || strokeStyle;
+	var colorB = obj.colorB || strokeStyle;
+	var labelA = obj.labelA || ['<<fontSize:' + (w / 12) + '>>A'];
+	var labelB = obj.labelB || ['<<fontSize:' + (w / 12) + '>>B'];
+	var fillStyle = obj.fillStyle || '#FCF';
+	var shade = obj.shade || [false, false, false, false];
+
+	ctx.save();
+	if (typeof ctx.setLineDash == 'undefined')
+		ctx.setLineDash = function () {};
+	ctx.setLineDash(lineDash);
+	ctx.strokeStyle = strokeStyle;
+	ctx.lineWidth = lineWidth;
+	ctx.strokeRect(l, t, w, h);
+
+	ctx.beginPath();
+	ctx.strokeStyle = colorA;
+	ctx.arc(centerA[0], centerA[1], radius, 0, 2 * Math.PI);
+	ctx.stroke();
+
+	ctx.beginPath();
+	ctx.strokeStyle = colorB;
+	ctx.arc(centerB[0], centerB[1], radius, 0, 2 * Math.PI);
+	ctx.stroke();
+
+	var xy = [centerA[0] - (radius * 1.25) * Math.cos(Math.PI / 4), centerA[1] - (radius * 1.25) * Math.cos(Math.PI / 4)];
+	text({
+		ctx: ctx,
+		textArray: labelA,
+		left: xy[0] - 100,
+		width: 200,
+		top: xy[1] - 100,
+		height: 200,
+		textAlign: 'center',
+		vertAlign: 'middle',
+		padding: 0.1, /*box:{type:'tight',color:mainCanvasFillStyle,borderColor:mainCanvasFillStyle}*/
+	});
+
+	var xy = [centerB[0] + (radius * 1.25) * Math.cos(Math.PI / 4), centerB[1] - (radius * 1.25) * Math.cos(Math.PI / 4)];
+	text({
+		ctx: ctx,
+		textArray: labelB,
+		left: xy[0] - 100,
+		width: 200,
+		top: xy[1] - 100,
+		height: 200,
+		textAlign: 'center',
+		vertAlign: 'middle',
+		padding: 0.1, /*box:{type:'tight',color:mainCanvasFillStyle,borderColor:mainCanvasFillStyle}*/
+	});
+
+	ctx.restore();
+
+	return {
+		ctx: ctx,
+		left: l,
+		top: t,
+		width: w,
+		height: h,
+		radius: radius,
+		centerA: centerA,
+		centerB: centerB,
+		lineWidth: lineWidth,
+		lineDash: lineDash,
+		strokeStyle: strokeStyle,
+		labelA: labelA,
+		labelB: labelB,
+		fillStyle: fillStyle,
+		shade: shade
+	};
+}
+function vennDiagram3(obj) {
+	var ctx = obj.ctx;
+	var l = obj.left || obj.l || 0;
+	var t = obj.top || obj.t || 0;
+	var w = obj.width || obj.w || 400;
+	var h = obj.height || obj.h || w;
+	var radius = obj.radius || obj.r || w * 0.27;
+	var centerA = obj.centerA || [l + w * 0.5 + 0.6 * radius * Math.cos(Math.PI * (1 / 2 + 2 / 3)), t + h * 0.47 + 0.6 * radius * Math.sin(Math.PI * (1 / 2 + 2 / 3))];
+	var centerB = obj.centerB || [l + w * 0.5 + 0.6 * radius * Math.cos(Math.PI * (1 / 2 + 4 / 3)), t + h * 0.47 + 0.6 * radius * Math.sin(Math.PI * (1 / 2 + 4 / 3))];
+	var centerC = obj.centerC || [l + w * 0.5 + 0.6 * radius * Math.cos(Math.PI * (1 / 2)), t + h * 0.47 + 0.6 * radius * Math.sin(Math.PI * (1 / 2))];
+	var lineWidth = obj.lineWidth || 4;
+	var lineDash = obj.lineDash || [];
+	var strokeStyle = obj.strokeStyle || '#000';
+	var colorA = obj.colorA || strokeStyle;
+	var colorB = obj.colorB || strokeStyle;
+	var colorC = obj.colorC || strokeStyle;
+	var labelA = obj.labelA || ['<<fontSize:' + (w / 10) + '>>A'];
+	var labelB = obj.labelB || ['<<fontSize:' + (w / 10) + '>>B'];
+	var labelC = obj.labelC || ['<<fontSize:' + (w / 10) + '>>C'];
+	var fillStyle = obj.fillStyle || '#FCF';
+	var shade = obj.shade || [false, false, false, false, false, false, false, false];
+
+	ctx.save();
+	if (typeof ctx.setLineDash == 'undefined')
+		ctx.setLineDash = function () {};
+	ctx.setLineDash(lineDash);
+	ctx.strokeStyle = strokeStyle;
+	ctx.lineWidth = lineWidth;
+	ctx.strokeRect(l, t, w, h);
+
+	ctx.beginPath();
+	ctx.strokeStyle = colorA;
+	ctx.arc(centerA[0], centerA[1], radius, 0, 2 * Math.PI);
+	ctx.stroke();
+
+	ctx.beginPath();
+	ctx.strokeStyle = colorB;
+	ctx.arc(centerB[0], centerB[1], radius, 0, 2 * Math.PI);
+	ctx.stroke();
+
+	ctx.beginPath();
+	ctx.strokeStyle = colorC;
+	ctx.arc(centerC[0], centerC[1], radius, 0, 2 * Math.PI);
+	ctx.stroke();
+
+	var xy = [centerA[0] - (radius * 1.25) * Math.cos(Math.PI / 4), centerA[1] - (radius * 1.25) * Math.cos(Math.PI / 4)];
+	text({
+		ctx: ctx,
+		textArray: labelA,
+		left: xy[0] - 100,
+		width: 200,
+		top: xy[1] - 100,
+		height: 200,
+		textAlign: 'center',
+		vertAlign: 'middle',
+		padding: 0.1, /*box:{type:'tight',color:mainCanvasFillStyle,borderColor:mainCanvasFillStyle}*/
+	});
+
+	var xy = [centerB[0] + (radius * 1.25) * Math.cos(Math.PI / 4), centerB[1] - (radius * 1.25) * Math.cos(Math.PI / 4)];
+	text({
+		ctx: ctx,
+		textArray: labelB,
+		left: xy[0] - 100,
+		width: 200,
+		top: xy[1] - 100,
+		height: 200,
+		textAlign: 'center',
+		vertAlign: 'middle',
+		padding: 0.1, /*box:{type:'tight',color:mainCanvasFillStyle,borderColor:mainCanvasFillStyle}*/
+	});
+
+	var xy = [centerC[0] + (radius * 1.25) * Math.cos(Math.PI / 4), centerC[1] + (radius * 1.25) * Math.cos(Math.PI / 4)];
+	text({
+		ctx: ctx,
+		textArray: labelC,
+		left: xy[0] - 100,
+		width: 200,
+		top: xy[1] - 100,
+		height: 200,
+		textAlign: 'center',
+		vertAlign: 'middle',
+		padding: 0.1, /*box:{type:'tight',color:mainCanvasFillStyle,borderColor:mainCanvasFillStyle}*/
+	});
+
+	ctx.restore();
+
+	return {
+		ctx: ctx,
+		left: l,
+		top: t,
+		width: w,
+		height: h,
+		radius: radius,
+		centerA: centerA,
+		centerB: centerB,
+		centerC: centerC,
+		lineWidth: lineWidth,
+		lineDash: lineDash,
+		strokeStyle: strokeStyle,
+		labelA: labelA,
+		labelB: labelB,
+		labelC: labelC,
+		fillStyle: fillStyle,
+		shade: shade
+	};
+}
+function drawIsometricDotty(object) {
+	// required
+	var ctx = object.ctx || object.context;
+
+	// options
+	var left = object.left || object.l || 0;
+	var top = object.top || object.t || 100;
+	var width = object.width || object.w || 1200;
+	var height = object.height || object.h || 700;
+	var spacingFactor = object.spacingFactor || 15;
+	var color = object.color || '#AAA';
+	var origin = object.origin || [left + 0.5 * width, top + 0.5 * height];
+	var radius = object.radius || 5;
+
+	if (object.direction == 1) {
+		var baseVector = [
+			[-5 * (1 / 2),5 * (Math.sqrt(3) / 2)],
+			[-5 * (1 / 2),-5 * (Math.sqrt(3) / 2)],
+			[5, 0]
+		];
+	} else {
+		var baseVector = [
+			[5 * (Math.sqrt(3) / 2), -5 * (1 / 2)],
+			[-5 * (Math.sqrt(3) / 2), -5 * (1 / 2)],
+			[0, -5]
+		];
+	}
+	var points = [];
+	var x,
+	y;
+
+	for (var i = 0; i < 2; i++) {
+		x = origin[0];
+		y = origin[1];
+		while (x >= left && y >= top && x <= left + width && y <= top + height) {
+			points.push([x, y]);
+			x += spacingFactor * baseVector[i][0];
+			y += spacingFactor * baseVector[i][1];
+		}
+	}
+
+	for (var i = 0, lim = points.length; i < lim; i++) {
+		x = points[i][0];
+		y = points[i][1];
+		while (x >= left && y >= top && x <= left + width && y <= top + height) {
+			points.push([x, y]);
+			x += spacingFactor * baseVector[2][0];
+			y += spacingFactor * baseVector[2][1];
+		}
+		x = points[i][0];
+		y = points[i][1];
+		while (x >= left && y >= top && x <= left + width && y <= top + height) {
+			points.push([x, y]);
+			x -= spacingFactor * baseVector[2][0];
+			y -= spacingFactor * baseVector[2][1];
+		}
+	}
+
+	// remove out-of-range and duplicate points
+	for (var i = points.length - 1; i >= 0; i--) {
+		for (var j = i - 1; j >= 0; j--) {
+			if (arraysEqual(points[i], points[j]) == true) {
+				points.splice(i, 1);
+				break;
+			}
+		}
+	}
+
+	ctx.save();
+	ctx.fillStyle = color;
+	for (var i = 0; i < points.length; i++) {
+		ctx.beginPath();
+		ctx.arc(points[i][0], points[i][1], radius, 0, 2 * Math.PI);
+		ctx.fill();
+	}
+	ctx.restore();
+	return points;
+}
+
+function drawSquareDotty(object) {
+	// required
+	var ctx = object.ctx || object.context;
+
+	// options
+	var left = object.left || object.l || 0;
+	var top = object.top || object.t || 100;
+	var width = object.width || object.w || 1200;
+	var height = object.height || object.h || 700;
+	var spacingFactor = object.spacingFactor || 80;
+	var color = object.color || '#AAA';
+	var origin = object.origin || [left + 0.5 * width, top + 0.5 * height];
+	var radius = object.radius || 5;
+
+	var points = [];
+	var x,
+	y;
+
+	x = origin[0];
+	y = origin[1];
+	while (x >= left && y >= top && x <= left + width && y <= top + height) {
+		points.push([x, y]);
+		x += spacingFactor;
+	}
+
+	x = origin[0] - spacingFactor;
+	while (x >= left && y >= top && x <= left + width && y <= top + height) {
+		points.push([x, y]);
+		x -= spacingFactor;
+	}
+
+	for (var i = 0, lim = points.length; i < lim; i++) {
+		x = points[i][0];
+		y = points[i][1] + spacingFactor;
+		while (x >= left && y >= top && x <= left + width && y <= top + height) {
+			points.push([x, y]);
+			y += spacingFactor;
+		}
+		y = points[i][1] - spacingFactor;
+		while (x >= left && y >= top && x <= left + width && y <= top + height) {
+			points.push([x, y]);
+			y -= spacingFactor;
+		}
+	}
+
+	// remove duplicate points
+	for (var i = points.length - 1; i >= 0; i--) {
+		for (var j = i - 1; j >= 0; j--) {
+			if (arraysEqual(points[i], points[j]) == true) {
+				points.splice(i, 1);
+				break;
+			}
+		}
+	}
+
+	ctx.save();
+	ctx.fillStyle = color;
+	for (var i = 0; i < points.length; i++) {
+		ctx.beginPath();
+		ctx.arc(points[i][0], points[i][1], radius, 0, 2 * Math.PI);
+		ctx.fill();
+	}
+	ctx.restore();
+	return points;
+}
+function drawNumberLine(object) {
+	var context = object.context;
+	var left = object.left;
+	var top = object.top;
+	var width = object.width;
+	var height = object.height;
+	var min = object.min;
+	var max = object.max;
+	var majorStep = object.majorStep;
+	var minorStep = object.minorStep;
+
+	var minorYPos = [0.5, 0.75];
+	if (typeof object.minorYPos == 'object')
+		minorYPos = object.minorYPos;
+	var majorYPos = [0.25, 0.75];
+	if (typeof object.majorYPos == 'object')
+		majorYPos = object.majorYPos;
+	var minorWidth = object.minorWidth || 1.2;
+	var majorWidth = object.majorWidth || 2;
+	var minorColor = object.minorColor || '#CCC';
+	var majorColor = object.majorColor || '#000';
+	var lineWidth = object.lineWidth || 4;
+	var lineColor = object.lineColor || '#000';
+
+	var autoLabel = boolean(object.autoLabel, true);
+	var labels = object.labels;
+	var font = object.font || 'Arial';
+	var fontSize = object.fontSize || 24;
+	var textColor = object.textColor || majorColor;
+
+	var minorSpacing = (width * minorStep) / (max - min);
+	var majorSpacing = (width * majorStep) / (max - min);
+
+	var x0 = left - (min * width) / (max - min);
+
+	// draw minor markings
+	context.strokeStyle = minorColor;
+	context.lineWidth = minorWidth;
+	context.beginPath();
+	var startValue = Math.abs(min % minorStep);
+	var axisPos = left;
+	while (axisPos - (left + width) <= 0.1) {
+		context.moveTo(axisPos, top + minorYPos[0] * height);
+		context.lineTo(axisPos, top + minorYPos[1] * height);
+		axisPos += minorSpacing;
+	}
+	context.stroke();
+	// draw major markings
+	context.strokeStyle = majorColor;
+	context.lineWidth = majorWidth;
+	var startValue = Math.abs(min % majorStep);
+	var axisPos = left + startValue * majorSpacing;
+	var num = min + startValue;
+	var count = 0;
+	while (axisPos - (left + width) <= 0.1) {
+		context.moveTo(axisPos, top + majorYPos[0] * height);
+		context.lineTo(axisPos, top + majorYPos[1] * height);
+		if (autoLabel == true) {
+			text({
+				context: context,
+				left: axisPos - 100,
+				width: 200,
+				top: top + 0.75 * height,
+				textArray: ['<<align:center>><<font:' + font + '>><<fontSize:' + fontSize + '>><<color:' + textColor + '>>' + num]
+			})
+		} else if (typeof labels == 'object' && typeof labels[count] !== 'undefined') {
+			text({
+				context: context,
+				left: axisPos - 100,
+				width: 200,
+				top: top + 0.75 * height,
+				textArray: ['<<align:center>><<font:' + font + '>><<fontSize:' + fontSize + '>><<color:' + textColor + '>>' + labels[count]]
+			})
+		}
+		count++;
+		num += majorStep;
+		axisPos += majorSpacing;
+	}
+	context.stroke();
+	context.strokeStyle = lineColor;
+	context.lineWidth = lineWidth;
+	context.moveTo(left, top + 0.5 * height);
+	context.lineTo(left + width, top + 0.5 * height);
+	context.stroke();
+}
+function drawNumberLine2(obj) {
+	var ctx = obj.ctx || obj.context;
+	ctx.save();
+	ctx.lineJoin = 'round';
+	ctx.lineCap = 'round';
+	var vertical = boolean(obj.vertical, false);
+
+	if (un(obj.rect))
+		obj.rect = [];
+	var left = obj.left || obj.rect[0];
+	var top = obj.top || obj.rect[1];
+	var width = obj.width || obj.rect[2];
+	var height = obj.height || obj.rect[3];
+	if (vertical == true) {
+		if (width > height) {
+			var temp = width;
+			width = height;
+			height = temp;
+		}
+	}
+	var min = Math.min(obj.min, obj.max);
+	var max = Math.max(obj.min, obj.max);
+	if (min >= max) {
+		console.log('Check numberline min & max.');
+		return;
+	}
+	var minorStep = obj.minorStep;
+	var majorStep = obj.majorStep;
+
+	var scaleOffset = obj.scaleOffset || 15;
+
+	var minorYPos = [0.5, 0.75];
+	if (typeof obj.minorYPos == 'object')
+		minorYPos = obj.minorYPos;
+	var majorYPos = [0.25, 0.75];
+	if (typeof obj.majorYPos == 'object')
+		majorYPos = obj.majorYPos;
+	var minorWidth = obj.minorWidth || 1.2;
+	var majorWidth = obj.majorWidth || 2;
+	var minorColor = obj.minorColor || '#CCC';
+	var majorColor = obj.majorColor || '#000';
+	var lineWidth = obj.lineWidth || 4;
+	var lineColor = obj.lineColor || '#000';
+	var backColor = obj.backColor || mainCanvasFillStyle;
+
+	var autoLabel = boolean(obj.autoLabel, true);
+	var labels = obj.labels;
+	var font = obj.font || 'Arial';
+	var fontSize = obj.fontSize || 24;
+	var textColor = obj.textColor || majorColor;
+
+	if (vertical == true) {
+		drawNumberlineVertical();
+	} else {
+		drawNumberlineHorizontal();
+	}
+
+	ctx.restore();
+
+	function drawNumberlineHorizontal() {
+		if (typeof obj.arrows == 'number') {
+			left += obj.arrows;
+			width -= 2 * obj.arrows;
+		}
+		var minorSpacing = (width * minorStep) / (max - min);
+		var majorSpacing = (width * majorStep) / (max - min);
+		var x0 = left - (min * width) / (max - min);
+
+		if (boolean(obj.showMinorPos, true) == true) {
+			ctx.strokeStyle = minorColor;
+			ctx.lineWidth = minorWidth;
+			ctx.beginPath();
+			var xAxisPoint = x0 + minorSpacing;
+			while (Math.round(xAxisPoint) <= Math.round(left + width)) {
+				if (Math.round(xAxisPoint) >= Math.round(left)) {
+					ctx.moveTo(xAxisPoint, top + minorYPos[0] * height);
+					ctx.lineTo(xAxisPoint, top + minorYPos[1] * height);
+					//console.log(xAxisPoint);
+				}
+				xAxisPoint += minorSpacing;
+			}
+			var xAxisPoint = x0 - minorSpacing;
+			while (Math.round(xAxisPoint) >= Math.round(left)) {
+				if (Math.round(xAxisPoint) <= Math.round(left + width)) {
+					ctx.moveTo(xAxisPoint, top + minorYPos[0] * height);
+					ctx.lineTo(xAxisPoint, top + minorYPos[1] * height);
+					//console.log(xAxisPoint);
+				}
+				xAxisPoint -= minorSpacing;
+			}
+			ctx.closePath();
+			ctx.stroke();
+		}
+
+		// draw major lines
+		ctx.strokeStyle = majorColor;
+		ctx.lineWidth = majorWidth;
+		ctx.beginPath();
+		var xAxisPoint = x0;
+		while (Math.round(xAxisPoint) <= Math.round(left + width)) {
+			if (Math.round(xAxisPoint) >= Math.round(left)) {
+				ctx.moveTo(xAxisPoint, top + majorYPos[0] * height);
+				ctx.lineTo(xAxisPoint, top + majorYPos[1] * height);
+			}
+			xAxisPoint += majorSpacing;
+		}
+		var xAxisPoint = x0 - majorSpacing;
+		while (Math.round(xAxisPoint) >= Math.round(left)) {
+			if (Math.round(xAxisPoint) <= Math.round(left + width)) {
+				ctx.moveTo(xAxisPoint, top + majorYPos[0] * height);
+				ctx.lineTo(xAxisPoint, top + majorYPos[1] * height);
+			}
+			xAxisPoint -= majorSpacing;
+		}
+		ctx.closePath();
+		ctx.stroke();
+
+		if (boolean(obj.showScales, true) == true) {
+			// draw axes numbers
+			ctx.font = fontSize + 'px Arial';
+			ctx.textAlign = "center";
+			ctx.textBaseline = "top";
+
+			var xAxisPoint = x0;
+			var major = 0;
+			var placeValue = Math.pow(10, Math.floor(Math.log(majorStep) / Math.log(10)));
+			while (roundToNearest(xAxisPoint, 0.001) <= roundToNearest(left + width, 0.001)) {
+				if (xAxisPoint >= left) {
+					var value = roundToNearest(major * majorStep, placeValue);
+					var axisValue = [String(value)];
+					var textWidth = ctx.measureText(String(axisValue)).width;
+					ctx.fillStyle = backColor;
+					ctx.fillRect(xAxisPoint - textWidth / 2, top + 0.5 * height + scaleOffset - 1, textWidth, fontSize * 1.1);
+					var labelText = drawMathsText(ctx, axisValue, fontSize, xAxisPoint, top + 0.5 * height + scaleOffset + 0.5 * fontSize, true, [], 'center', 'middle', majorColor);
+				}
+				major += 1;
+				xAxisPoint += majorSpacing;
+			}
+
+			var xAxisPoint = x0 - majorSpacing;
+			var major = -1;
+			while (roundToNearest(xAxisPoint, 0.001) >= roundToNearest(left, 0.001)) {
+				if (xAxisPoint < left + width) {
+					var value = roundToNearest(major * majorStep, placeValue);
+					var axisValue = [String(value)];
+					var textWidth = ctx.measureText(String(axisValue)).width;
+					ctx.fillStyle = backColor;
+					ctx.fillRect(xAxisPoint - textWidth / 2, top + 0.5 * height + scaleOffset - 1, textWidth, fontSize * 1.1);
+					var labelText = drawMathsText(ctx, axisValue, fontSize, xAxisPoint, top + 0.5 * height + scaleOffset + 0.5 * fontSize, true, [], 'center', 'middle', majorColor);
+				}
+				major -= 1;
+				xAxisPoint -= majorSpacing;
+			}
+		}
+
+		if (typeof obj.arrows == 'number') {
+			drawArrow({
+				ctx: ctx,
+				startX: left - obj.arrows,
+				startY: top + 0.5 * height,
+				finX: left + width + obj.arrows,
+				finY: top + 0.5 * height,
+				doubleEnded: true,
+				color: lineColor,
+				lineWidth: lineWidth,
+				fillArrow: true,
+				arrowLength: 12
+			});
+		} else {
+			// draw line
+			ctx.beginPath();
+			ctx.strokeStyle = lineColor;
+			ctx.lineWidth = lineWidth;
+			ctx.moveTo(left, top + 0.5 * height);
+			ctx.lineTo(left + width, top + 0.5 * height);
+			ctx.closePath();
+			ctx.stroke();
+		}
+
+	}
+	function drawNumberlineVertical() {
+		if (typeof obj.arrows == 'number') {
+			top += obj.arrows;
+			height -= 2 * obj.arrows;
+		}
+		var minorSpacing = (height * minorStep) / (max - min);
+		var majorSpacing = (height * majorStep) / (max - min);
+		var y0 = top - (min * height) / (max - min);
+
+		if (boolean(obj.showMinorPos, true) == true) {
+			ctx.strokeStyle = minorColor;
+			ctx.lineWidth = minorWidth;
+			ctx.beginPath();
+			var yAxisPoint = y0 + minorSpacing;
+			while (Math.round(yAxisPoint) <= Math.round(top + height)) {
+				if (Math.round(yAxisPoint) >= Math.round(top)) {
+					ctx.moveTo(left + minorYPos[0] * width, yAxisPoint);
+					ctx.lineTo(left + minorYPos[1] * width, yAxisPoint);
+				}
+				yAxisPoint += minorSpacing;
+			}
+			var yAxisPoint = y0 - minorSpacing;
+			while (Math.round(yAxisPoint) >= Math.round(top)) {
+				if (Math.round(yAxisPoint) <= Math.round(top + height)) {
+					ctx.moveTo(left + minorYPos[0] * width, yAxisPoint);
+					ctx.lineTo(left + minorYPos[1] * width, yAxisPoint);
+				}
+				yAxisPoint -= minorSpacing;
+			}
+			ctx.closePath();
+			ctx.stroke();
+		}
+
+		// draw major lines
+		ctx.strokeStyle = majorColor;
+		ctx.lineWidth = majorWidth;
+		ctx.beginPath();
+		var yAxisPoint = y0;
+		while (Math.round(yAxisPoint) <= Math.round(top + height)) {
+			if (Math.round(yAxisPoint) >= Math.round(top)) {
+				ctx.moveTo(left + majorYPos[0] * width, yAxisPoint);
+				ctx.lineTo(left + majorYPos[1] * width, yAxisPoint);
+			}
+			yAxisPoint += majorSpacing;
+		}
+		var yAxisPoint = y0 - majorSpacing;
+		while (Math.round(yAxisPoint) >= Math.round(top)) {
+			if (Math.round(yAxisPoint) <= Math.round(top + height)) {
+				ctx.moveTo(left + majorYPos[0] * width, yAxisPoint);
+				ctx.lineTo(left + majorYPos[1] * width, yAxisPoint);
+			}
+			yAxisPoint -= majorSpacing;
+		}
+		ctx.closePath();
+		ctx.stroke();
+		
+		if (boolean(obj.showScales, true) == true) {
+			ctx.font = fontSize + 'px Arial';
+			ctx.textBaseline = "middle";
+			ctx.textAlign = "right";
+
+			// positive y numbers
+			var yAxisPoint = y0;
+			var major = 0;
+			while (roundToNearest(yAxisPoint, 0.001) >= roundToNearest(top, 0.001)) {
+				if (yAxisPoint <= top + height) {
+					var axisValue = Number(roundToNearest(major * majorStep, 0.00001));
+					var textWidth = ctx.measureText(String(axisValue)).width
+					var labelText = drawMathsText(ctx, String(axisValue), fontSize, left + majorYPos[0] * width - 10, yAxisPoint - 2, true, [], 'right', 'middle', '#000');
+				}
+				major += 1;
+				yAxisPoint -= majorSpacing;
+			}
+
+			// negative y numbers
+			var yAxisPoint = y0 + majorSpacing;
+			var major = -1;
+			while (roundToNearest(yAxisPoint, 0.001) <= roundToNearest(top + height, 0.001)) {
+				if (yAxisPoint >= top) {
+					var axisValue = Number(roundToNearest(major * majorStep, 0.00001));
+					var textWidth = ctx.measureText(String(axisValue)).width
+						var labelText = drawMathsText(ctx, String(axisValue), fontSize, left + majorYPos[0] * width - 10, yAxisPoint - 2, true, [], 'right', 'middle', '#000');
+				}
+				major -= 1;
+				yAxisPoint += majorSpacing;
+
+			}
+		}
+
+		if (typeof obj.arrows == 'number') {
+			drawArrow({
+				ctx: ctx,
+				startX: left + 0.5 * width,
+				startY: top - obj.arrows,
+				finX: left + 0.5 * width,
+				finY: top + height + obj.arrows,
+				doubleEnded: true,
+				color: lineColor,
+				lineWidth: lineWidth,
+				fillArrow: true,
+				arrowLength: 12
+			});
+		} else {
+			// draw line
+			ctx.beginPath();
+			ctx.strokeStyle = lineColor;
+			ctx.lineWidth = lineWidth;
+			ctx.moveTo(left + 0.5 * width, top);
+			ctx.lineTo(left + 0.5 * width, top + height);
+			ctx.closePath();
+			ctx.stroke();
+		}
+
+	}
+
+}
+
+function isPointBetweenAngles(center, p1, p2, p3, cw) {
+	var a1 = posToAngle(p1[0], p1[1], center[0], center[1]);
+	var a2 = posToAngle(p2[0], p2[1], center[0], center[1]);
+	var a3 = posToAngle(p3[0], p3[1], center[0], center[1]);
+	if (anglesInOrder(a1, a2, a3), cw) {
+		return false;
+	} else {
+		return true;
+	}
+}
+function anglesInOrder(a1, a2, a3, cw) { // test if three angles are in order
+	while (a1 < 0)
+		a1 += 2 * Math.PI;
+	while (a2 < 0)
+		a2 += 2 * Math.PI;
+	while (a3 < 0)
+		a3 += 2 * Math.PI;
+	while (a1 > 2 * Math.PI)
+		a1 -= 2 * Math.PI;
+	while (a2 > 2 * Math.PI)
+		a2 -= 2 * Math.PI;
+	while (a3 > 2 * Math.PI)
+		a3 -= 2 * Math.PI;
+	if (boolean(cw, true) == true) {
+		if ((a1 <= a2 && a2 <= a3) || //123
+			(a2 <= a3 && a3 <= a1) || //231
+			(a3 <= a1 && a1 <= a2)) { //312
+			return true;
+		} else {
+			return false;
+		}
+	} else {
+		if ((a3 <= a2 && a2 <= a1) || //321
+			(a2 <= a1 && a1 <= a3) || //213
+			(a1 <= a3 && a3 <= a2)) { //132
+			return true;
+		} else {
+			return false;
+		}
+	}
+}
+
+function roundedRect(context, left, top, width, height, roundingSize, lineThickness, lineColor, fillColor, dash) {
+	context.save();
+	if (lineThickness) {
+		context.lineWidth = lineThickness
+	};
+	if (lineColor) {
+		context.strokeStyle = lineColor
+	};
+	if (fillColor) {
+		context.fillStyle = fillColor
+	};
+	if (typeof dash == 'undefined')
+		dash = [];
+	if (typeof dash == 'object') {
+		if (!context.setLineDash) {
+			context.setLineDash = function () {}
+		}
+		context.setLineDash(dash);
+	}
+	context.beginPath();
+	context.moveTo(left + roundingSize, top);
+	context.lineTo(left + width - roundingSize, top);
+	context.arc(left + width - roundingSize, top + roundingSize, roundingSize, 1.5 * Math.PI, 2 * Math.PI);
+	context.lineTo(left + width, top + height - roundingSize);
+	context.arc(left + width - roundingSize, top + height - roundingSize, roundingSize, 0, 0.5 * Math.PI);
+	context.lineTo(left + roundingSize, top + height);
+	context.arc(left + roundingSize, top + height - roundingSize, roundingSize, 0.5 * Math.PI, Math.PI);
+	context.lineTo(left, top + roundingSize);
+	context.arc(left + roundingSize, top + roundingSize, roundingSize, Math.PI, 1.5 * Math.PI);
+	context.closePath();
+	if (typeof lineColor == 'string' && lineColor !== 'none')
+		context.stroke();
+	if (typeof fillColor == 'string' && fillColor !== 'none')
+		context.fill();
+	context.restore();
+}
+function roundedRect2(context, left, top, width, height, roundingSize, lineThickness, lineColor, fillColor, dash) {
+	context.save();
+	if (lineThickness)
+		context.lineWidth = lineThickness;
+	if (lineColor)
+		context.strokeStyle = lineColor;
+	if (fillColor)
+		context.fillStyle = fillColor;
+	if (typeof dash == 'undefined')
+		dash = [];
+	if (typeof dash == 'object') {
+		if (!context.setLineDash) {
+			context.setLineDash = function () {}
+		}
+		context.setLineDash(dash);
+	}
+	context.beginPath();
+	context.moveTo(left + roundingSize, top);
+	context.lineTo(left + width - roundingSize, top);
+	context.arc(left + width - roundingSize, top + roundingSize, roundingSize, 1.5 * Math.PI, 2 * Math.PI);
+	context.lineTo(left + width, top + height - roundingSize);
+	context.arc(left + width - roundingSize, top + height - roundingSize, roundingSize, 0, 0.5 * Math.PI);
+	context.lineTo(left + roundingSize, top + height);
+	context.arc(left + roundingSize, top + height - roundingSize, roundingSize, 0.5 * Math.PI, Math.PI);
+	context.lineTo(left, top + roundingSize);
+	context.arc(left + roundingSize, top + roundingSize, roundingSize, Math.PI, 1.5 * Math.PI);
+	context.closePath();
+	if (typeof fillColor == 'string' && fillColor !== 'none')
+		context.fill();
+	if (typeof lineColor == 'string' && lineColor !== 'none')
+		context.stroke();
+	context.restore();
+}
+function roundedRect3(context, left, top, width, height, roundingSize, lineThickness, lineColor, fillColor, dash) {
+	context.save();
+	if (lineThickness) {
+		context.lineWidth = lineThickness
+	};
+	if (lineColor) {
+		context.strokeStyle = lineColor
+	};
+	if (fillColor) {
+		context.fillStyle = fillColor
+	};
+	if (typeof dash == 'undefined')
+		dash = [];
+	if (typeof dash == 'object') {
+		if (!context.setLineDash) {
+			context.setLineDash = function () {}
+		}
+		context.setLineDash(dash);
+	}
+	context.beginPath();
+	context.moveTo(left + roundingSize[0], top);
+	context.lineTo(left + width - roundingSize[1], top);
+	context.arc(left + width - roundingSize[1], top + roundingSize[1], roundingSize[1], 1.5 * Math.PI, 2 * Math.PI);
+	context.lineTo(left + width, top + height - roundingSize[2]);
+	context.arc(left + width - roundingSize[2], top + height - roundingSize[2], roundingSize[2], 0, 0.5 * Math.PI);
+	context.lineTo(left + roundingSize[3], top + height);
+	context.arc(left + roundingSize[3], top + height - roundingSize[3], roundingSize[3], 0.5 * Math.PI, Math.PI);
+	context.lineTo(left, top + roundingSize[0]);
+	context.arc(left + roundingSize[0], top + roundingSize[0], roundingSize[0], Math.PI, 1.5 * Math.PI);
+	context.closePath();
+	if (typeof fillColor == 'string' && fillColor !== 'none') {
+		context.fill()
+	};
+	context.stroke();
+	context.restore();
+}
+function drawPath(object) {
+	var ctx = object.ctx;
+	var path = object.path;
+	ctx.save();
+	if (typeof object.lineColor !== 'undefined') {
+		ctx.strokeStyle = object.lineColor
+	};
+	if (typeof object.lineWidth !== 'undefined') {
+		ctx.lineWidth = object.lineWidth
+	};
+	ctx.lineCap = 'round';
+	ctx.lineJoin = 'round';
+	ctx.beginPath();
+	ctx.moveTo(path[0][0], path[0][1]);
+	for (var i = 1; i < path.length; i++) {
+		ctx.lineTo(path[i][0], path[i][1]);
+	}
+	if (typeof object.fillColor !== 'undefined' || object.closed == true) {
+		ctx.closePath()
+	};
+	if (typeof object.fillColor !== 'undefined') {
+		ctx.fillStyle = object.fillColor;
+		ctx.fill();
+	}
+	ctx.stroke();
+	ctx.restore();
+}
+function dashedLine(object) {
+	var context = object.context;
+	var startX = object.startX;
+	var startY = object.startY;
+	var finX = object.finX;
+	var finY = object.finY;
+
+	if (startX > finX) {
+		var x1 = startX;
+		var y1 = startY;
+		var x2 = finX;
+		var y2 = finY;
+		startX = x2;
+		startY = y2;
+		finX = x1;
+		finY = y1;
+	}
+
+	var dashSize = object.dashSize || 20;
+	var gapSize = object.gapSize || 10;
+	var color = object.color || '#000';
+	var lineWidth = object.lineWidth || 2;
+
+	var totalLength = Math.sqrt(Math.pow((finX - startX), 2) + Math.pow((finY - startY), 2));
+	var numOfIncs = totalLength / (dashSize + gapSize);
+
+	var dx = (finX - startX) / numOfIncs;
+	var dxDash = dx * dashSize / (dashSize + gapSize);
+	var dxGap = dx * gapSize / (dashSize + gapSize);
+
+	var dy = (finY - startY) / numOfIncs;
+	var dyDash = dy * dashSize / (dashSize + gapSize);
+	var dyGap = dy * gapSize / (dashSize + gapSize);
+
+	var xPos = startX;
+	var yPos = startY;
+	var incCount = 0;
+
+	context.save();
+	context.strokeStyle = color;
+	context.lineWidth = lineWidth;
+	context.beginPath();
+	do {
+		context.moveTo(xPos, yPos);
+		xPos += dxDash;
+		yPos += dyDash;
+		context.lineTo(xPos, yPos);
+		xPos += dxGap;
+		yPos += dyGap;
+		incCount++;
+	} while (incCount <= numOfIncs - 1)
+	if ((startX < finX && xPos < finX) || (startX > finX && xPos > finX) || (startY < finY && yPos < finY) || (startY > finY && yPos > finY)) {
+		context.moveTo(xPos, yPos);
+		context.lineTo(finX, finY);
+	}
+	context.closePath();
+	context.stroke();
+	context.restore();
+}
+function drawParallelArrow(object) {
+	// required
+	var context = object.context || object.ctx;
+	var startX = object.startX;
+	var startY = object.startY;
+	var finX = object.finX;
+	var finY = object.finY;
+
+	// optional
+	var numOfArrows = object.numOfArrows || 1;
+	var arrowLength = object.arrowLength || 25;
+	var arrowAngle = object.arrowAngle || 0.5;
+	var color = object.color || '#000';
+	var lineWidth = object.lineWidth || 2;
+	var fillArrow = boolean(object.fillArrow, false);
+
+	context.save();
+	if (numOfArrows == 1) {
+
+		var fracPos = 0.5 + 0.5 * arrowLength * Math.cos(arrowAngle) / Math.sqrt(Math.pow((finX - startX), 2) + Math.pow((finY - startY), 2))
+			drawArrow({
+				context: context,
+				startX: startX,
+				startY: startY,
+				finX: startX + fracPos * (finX - startX),
+				finY: startY + fracPos * (finY - startY),
+				arrowLength: arrowLength,
+				angleBetweenLinesRads: arrowAngle,
+				color: color,
+				lineWidth: 0.1,
+				arrowLineWidth: lineWidth
+			});
+
+	} else if (numOfArrows == 2) {
+
+		var fracPos1 = 0.5 + 0.75 * arrowLength * (Math.cos(arrowAngle) + 0.5) / Math.sqrt(Math.pow((finX - startX), 2) + Math.pow((finY - startY), 2))
+			var fracPos2 = fracPos1 - 1 * arrowLength / Math.sqrt(Math.pow((finX - startX), 2) + Math.pow((finY - startY), 2))
+
+			drawArrow({
+				context: context,
+				startX: startX,
+				startY: startY,
+				finX: startX + fracPos1 * (finX - startX),
+				finY: startY + fracPos1 * (finY - startY),
+				arrowLength: arrowLength,
+				angleBetweenLinesRads: arrowAngle,
+				color: color,
+				lineWidth: 0.1,
+				showLine: false,
+				arrowLineWidth: lineWidth
+			});
+		drawArrow({
+			context: context,
+			startX: startX,
+			startY: startY,
+			finX: startX + fracPos2 * (finX - startX),
+			finY: startY + fracPos2 * (finY - startY),
+			arrowLength: arrowLength,
+			angleBetweenLinesRads: arrowAngle,
+			color: color,
+			lineWidth: 0.1,
+			showLine: false,
+			arrowLineWidth: lineWidth
+		});
+	}
+	context.restore();
+}
+function labelLine(posA, posB, obj) {
+	var ctx = obj.ctx;
+	if (typeof hiddenCanvas == 'undefined')
+		hiddenCanvas = newcanvas({
+				vis: false
+			});
+	obj.ctx = hiddenCanvas.ctx;
+	obj.measureOnly = true;
+	var textDims = text(obj);
+	var w = textDims.tightRect[2];
+	var h = textDims.tightRect[3];
+	if (typeof obj.box == 'undefined' || obj.box.type !== 'tight')
+		w += 20;
+	var x1 = posA[0],
+	y1 = posA[1],
+	x2 = posB[0],
+	y2 = posB[1],
+	x4,
+	y4;
+	var x3 = (x1 + x2) / 2;
+	var y3 = (y1 + y2) / 2;
+	if (y1 == y2) {
+		x4 = x3 - w / 2;
+		if (x1 < x2) {
+			y4 = y3;
+		} else {
+			y4 = y3 - h;
+		}
+	} else if (x1 == x2) {
+		y4 = y3 - h / 2;
+		if (y1 < y2) {
+			x4 = x3 - w;
+		} else {
+			x4 = x3;
+		}
+	} else if (x1 < x2) {
+		if (y1 < y2) {
+			x4 = x3 - w;
+			y4 = y3;
+		} else {
+			x4 = x3;
+			y4 = y3;
+		}
+	} else if (x3 > x2) {
+		if (y3 < y2) {
+			x4 = x3 - w;
+			y4 = y3 - h;
+		} else {
+
+			x4 = x3;
+			y4 = y3 - h;
+		}
+	}
+	obj.ctx = ctx;
+	obj.measureOnly = false;
+	obj.left = x4 - 10;
+	obj.top = y4 - 10;
+	obj.width = w + 20;
+	obj.height = h + 20;
+	obj.align = 'center';
+	obj.vertAlign = 'middle';
+	text(obj);
+}
+function drawDash(context, x1, y1, x2, y2, length) {
+	if (typeof length !== 'number')
+		length = 10;
+	var grad =  - (x2 - x1) / (y2 - y1);
+	var midX = (x1 + x2) / 2;
+	var midY = (y1 + y2) / 2;
+	var end1X = midX - length * Math.cos(Math.atan(grad));
+	var end1Y = midY - length * Math.sin(Math.atan(grad));
+	var end2X = midX + length * Math.cos(Math.atan(grad));
+	var end2Y = midY + length * Math.sin(Math.atan(grad));
+
+	context.beginPath();
+	context.moveTo(end1X, end1Y);
+	context.lineTo(end2X, end2Y);
+	context.stroke();
+}
+function drawDoubleDash(context, x1, y1, x2, y2, length, separation) {
+	if (typeof length !== 'number')
+		length = 10;
+	var sep = separation / 2 || context.lineWidth + 2 || 4;
+	var grad =  - (x2 - x1) / (y2 - y1);
+
+	// [unitX,unitY] is a unit vector in the direction of the line
+	var unitX = (x2 - x1) / Math.sqrt(Math.pow(x2 - x1, 2) + Math.pow(y2 - y1, 2));
+	var unitY = (y2 - y1) / Math.sqrt(Math.pow(x2 - x1, 2) + Math.pow(y2 - y1, 2));
+
+	var midX = (x1 + x2) / 2;
+	var midY = (y1 + y2) / 2;
+
+	var dashX1 = midX - sep * unitX;
+	var dashX2 = midX + sep * unitX;
+	var dashY1 = midY - sep * unitY;
+	var dashY2 = midY + sep * unitY;
+
+	var end1X = dashX1 - length * Math.cos(Math.atan(grad));
+	var end1Y = dashY1 - length * Math.sin(Math.atan(grad));
+	var end2X = dashX1 + length * Math.cos(Math.atan(grad));
+	var end2Y = dashY1 + length * Math.sin(Math.atan(grad));
+
+	var end3X = dashX2 - length * Math.cos(Math.atan(grad));
+	var end3Y = dashY2 - length * Math.sin(Math.atan(grad));
+	var end4X = dashX2 + length * Math.cos(Math.atan(grad));
+	var end4Y = dashY2 + length * Math.sin(Math.atan(grad));
+
+	context.beginPath();
+	context.moveTo(end1X, end1Y);
+	context.lineTo(end2X, end2Y);
+	context.moveTo(end3X, end3Y);
+	context.lineTo(end4X, end4Y);
+	context.stroke();
+}
+function drawPrintIcon(ctx,rect,backColor) {
+	var w = rect[2];
+	ctx.save();
+	ctx.translate(rect[0],rect[1]);
+		ctx.lineJoin = 'round';
+		ctx.lineCap = 'round';
+		ctx.strokeStyle = '#000';
+		ctx.fillStyle = '#000';
+		ctx.lineWidth = 0.1*w;
+		
+		
+		roundedRect(ctx,0,0.3*w,w,0.45*w,0.1*w,0.1*w,'#000','#000');
+		ctx.beginPath();
+		ctx.fillStyle = backColor;
+		ctx.fillRect(0.22*w,0.65*w,0.56*w,0.15*w);
+		
+		roundedRect(ctx,0.22*w,0,0.56*w,w,0.1*w,0.1*w,'#000');
+		
+		roundedRect(ctx,0.35*w,0.70*w,0.3*w,0.05*w,0,0.01*w,'#000','#000');
+		roundedRect(ctx,0.35*w,0.82*w,0.2*w,0.05*w,0,0.01*w,'#000','#000');
+		
+		ctx.beginPath();
+		ctx.fillStyle = backColor;
+		ctx.arc(0.86*w,0.4*w,0.085*w,0,2*Math.PI);
+		ctx.fill();
+		
+	ctx.translate(-rect[0],-rect[1]);
+	ctx.restore();
+}
+
+CanvasRenderingContext2D.prototype.setStroke = function (obj) {
+	var lineWidth = obj.lineWidth || obj.width || obj.w || obj.thickness || this.lineWidth;
+	var strokeStyle = obj.color || obj.strokeStyle || obj.style || this.strokeStyle;
+	var dash = obj.dash || obj.lineDash || this.getLineDash();
+	var lineCap = obj.lineCap || obj.cap || 'round';
+	var lineJoin = obj.lineJoin || obj.join || obj.cap || 'round';
+	this.lineWidth = lineWidth;
+	this.strokeStyle = strokeStyle;
+	this.setLineDash(dash);
+	this.lineCap = lineCap;
+	this.lineJoin = lineJoin;
+}
+CanvasRenderingContext2D.prototype.setFill = function (obj) {
+	var color = obj.color || this.fillStyle;
+	this.fillStyle = obj.color;
+}
+CanvasRenderingContext2D.prototype.path = function (pathArray, close, obj) {
+	if (typeof obj == 'undefined')
+		obj = {};
+	this.beginPath();
+	this.moveTo(pathArray[0][0], pathArray[0][1]);
+	for (var i = 1; i < pathArray.length; i++) {
+		this.lineTo(pathArray[i][0], pathArray[i][1]);
+	}
+	if (boolean(close, false) === true) {
+		this.lineTo(pathArray[0][0], pathArray[0][1]);
+	}
+	if (typeof obj.fill !== 'undefined') {
+		this.setFill(obj.fill);
+		this.fill();
+	}
+	if (typeof obj.lineDec !== 'undefined') {}
+	if (typeof obj.intAngles !== 'undefined') {
+		if (typeof obj.intAngles.show == 'undefined') {
+			obj.intAngles.show = [];
+			for (var i = 0; i < pathArray.length; i++)
+				obj.intAngles.show.push(true);
+		}
+		var angle = {
+			ctx: this
+		};
+		angle.radius = obj.intAngles.radius || obj.intAngles.r || undefined;
+		angle.squareForRight = boolean(obj.intAngles.squareForRight, true);
+		angle.labelIfRight = boolean(obj.intAngles.labelIfRight, false);
+		angle.drawLines = boolean(obj.intAngles.drawLines, false);
+		angle.lineWidth = obj.intAngles.lineWidth || obj.intAngles.width || obj.intAngles.w || undefined;
+		angle.lineColor = obj.intAngles.lineColor || obj.intAngles.color || undefined;
+		angle.drawCurve = boolean(obj.intAngles.drawCurve, true);
+		angle.curveWidth = obj.intAngles.curveWidth || angle.lineWidth;
+		angle.curveColor = obj.intAngles.curveColor || angle.lineColor;
+		if (typeof obj.intAngles.fill == 'string') {
+			angle.fill = true;
+			angle.fillColor = obj.intAngles.fill;
+		} else {
+			angle.fill = boolean(obj.intAngles.fill, false);
+			angle.fillColor = obj.intAngles.fillColor || undefined;
+		}
+		angle.label = obj.intAngles.label || obj.intAngles.text || undefined;
+		angle.labelFont = obj.intAngles.labelFont || obj.intAngles.font || undefined;
+		angle.labelFontSize = obj.intAngles.labelFontSize || obj.intAngles.fontSize || undefined;
+		angle.labelColor = obj.intAngles.labelColor || angle.lineColor || undefined;
+		angle.labelRadius = obj.intAngles.labelRadius || undefined;
+		angle.labelMeasure = boolean(obj.intAngles.labelMeasure, false);
+		angle.measureRoundTo = obj.intAngles.measureRoundTo || obj.intAngles.roundTo || undefined;
+		angle.angleType = obj.intAngles.angleType || undefined;
+		for (var i = 0; i < pathArray.length; i++) {
+			if (obj.intAngles.show[i] === true) {
+				if (i === 0) {
+					angle.a = pathArray[pathArray.length - 1]
+				} else {
+					angle.a = pathArray[i - 1]
+				};
+				angle.b = pathArray[i];
+				if (i === pathArray.length - 1) {
+					angle.c = pathArray[0]
+				} else {
+					angle.c = pathArray[i + 1]
+				};
+				if (typeof obj.intAngles.r == 'object')
+					angle.radius = obj.intAngles.r[i];
+				if (typeof obj.intAngles.radius == 'object')
+					angle.radius = obj.intAngles.radius[i];
+				if (typeof obj.intAngles.squareForRight == 'object')
+					angle.squareForRight = boolean(obj.intAngles.squareForRight[i], true);
+				if (typeof obj.intAngles.labelIfRight == 'object')
+					angle.labelIfRight = boolean(obj.intAngles.labelIfRight[i], false);
+				if (typeof obj.intAngles.drawLines == 'object')
+					angle.drawLines = boolean(obj.intAngles.drawLines[i], false);
+				if (typeof obj.intAngles.lineWidth == 'object')
+					angle.lineWidth = obj.intAngles.lineWidth[i];
+				if (typeof obj.intAngles.width == 'object')
+					angle.lineWidth = obj.intAngles.width[i];
+				if (typeof obj.intAngles.w == 'object')
+					angle.lineWidth = obj.intAngles.w[i];
+				if (typeof obj.intAngles.lineColor == 'object')
+					angle.lineColor = obj.intAngles.lineColor[i];
+				if (typeof obj.intAngles.color == 'object')
+					angle.lineWidth = obj.intAngles.color[i];
+				if (typeof obj.intAngles.drawCurve == 'object')
+					angle.drawCurve = boolean(obj.intAngles.drawCurve[i], true);
+				if (typeof obj.intAngles.lineWidth == 'object')
+					angle.curveWidth = obj.intAngles.lineWidth[i];
+				if (typeof obj.intAngles.curveWidth == 'object')
+					angle.curveWidth = obj.intAngles.curveWidth[i];
+				if (typeof obj.intAngles.curveColor == 'object')
+					angle.curveColor = obj.intAngles.curveColor[i];
+				if (typeof obj.intAngles.fill == 'object') {
+					if (typeof obj.intAngles.fill[i] == 'string') {
+						angle.fill = true;
+						angle.fillColor = obj.intAngles.fill[i];
+					} else {
+						angle.fill = boolean(obj.intAngles.fill[i], false);
+						if (typeof obj.intAngles.fillColor == 'object')
+							angle.fillColor = obj.intAngles.fillColor[i];
+					}
+				}
+				if (typeof obj.intAngles.label == 'object')
+					angle.label = obj.intAngles.label[i];
+				if (typeof obj.intAngles.text == 'object')
+					angle.label = obj.intAngles.text[i];
+				if (typeof obj.intAngles.labelFont == 'object')
+					angle.labelFont = obj.intAngles.curveColor[i];
+				if (typeof obj.intAngles.font == 'object')
+					angle.labelFont = obj.intAngles.font[i];
+				if (typeof obj.intAngles.labelFontSize == 'object')
+					angle.labelFontSize = obj.intAngles.labelFontSize[i];
+				if (typeof obj.intAngles.fontSize == 'object')
+					angle.labelFontSize = obj.intAngles.fontSize[i];
+				if (typeof obj.intAngles.lineColor == 'object')
+					angle.labelColor = obj.intAngles.lineColor[i];
+				if (typeof obj.intAngles.labelColor == 'object')
+					angle.labelColor = obj.intAngles.labelColor[i];
+				if (typeof obj.intAngles.labelRadius == 'object')
+					angle.labelRadius = obj.intAngles.labelRadius[i];
+				if (typeof obj.intAngles.labelMeasure == 'object')
+					angle.labelMeasure = boolean(obj.intAngles.labelMeasure[i], false);
+				if (typeof obj.intAngles.measureRoundTo == 'object')
+					angle.measureRoundTo = obj.intAngles.measureRoundTo[i];
+				if (typeof obj.intAngles.roundTo == 'object')
+					angle.measureRoundTo = obj.intAngles.roundTo[i];
+				drawAngle(angle);
+			}
+		}
+	}
+	if (typeof obj.vertexLabels !== 'undefined') {
+		if (typeof obj.vertexLabels.show == 'undefined') {
+			obj.vertexLabels.show = [];
+			for (var i = 0; i < pathArray.length; i++)
+				obj.vertexLabels.show.push(true);
+		}
+		var angle = {
+			ctx: this
+		};
+		angle.labelIfRight = true;
+		angle.drawLines = false;
+		angle.drawCurve = false;
+		angle.fill = false;
+		angle.label = obj.vertexLabels.label || obj.vertexLabels.text || undefined;
+		angle.labelFont = obj.vertexLabels.labelFont || obj.vertexLabels.font || undefined;
+		angle.labelFontSize = obj.vertexLabels.labelFontSize || obj.vertexLabels.fontSize || undefined;
+		angle.labelColor = obj.vertexLabels.labelColor || angle.lineColor || undefined;
+		angle.labelRadius = obj.vertexLabels.labelRadius || obj.vertexLabels.radius || obj.vertexLabels.r || undefined;
+		angle.labelMeasure = false;
+		for (var i = 0; i < pathArray.length; i++) {
+			if (obj.vertexLabels.show[i] === true) {
+				if (i === 0) {
+					angle.c = pathArray[pathArray.length - 1]
+				} else {
+					angle.c = pathArray[i - 1]
+				};
+				angle.b = pathArray[i];
+				if (i === pathArray.length - 1) {
+					angle.a = pathArray[0]
+				} else {
+					angle.a = pathArray[i + 1]
+				};
+				if (typeof obj.vertexLabels.label == 'object')
+					angle.label = obj.vertexLabels.label[i];
+				if (typeof obj.vertexLabels.text == 'object')
+					angle.label = obj.vertexLabels.text[i];
+				if (typeof obj.vertexLabels.labelFont == 'object')
+					angle.labelFont = obj.vertexLabels.curveColor[i];
+				if (typeof obj.vertexLabels.font == 'object')
+					angle.labelFont = obj.vertexLabels.font[i];
+				if (typeof obj.vertexLabels.labelFontSize == 'object')
+					angle.labelFontSize = obj.vertexLabels.labelFontSize[i];
+				if (typeof obj.vertexLabels.fontSize == 'object')
+					angle.labelFontSize = obj.vertexLabels.fontSize[i];
+				if (typeof obj.vertexLabels.lineColor == 'object')
+					angle.labelColor = obj.vertexLabels.lineColor[i];
+				if (typeof obj.vertexLabels.labelColor == 'object')
+					angle.labelColor = obj.vertexLabels.labelColor[i];
+				if (typeof obj.vertexLabels.radius == 'object')
+					angle.labelRadius = obj.vertexLabels.radius[i];
+				if (typeof obj.vertexLabels.r == 'object')
+					angle.labelRadius = obj.vertexLabels.r[i];
+				if (typeof obj.vertexLabels.labelRadius == 'object')
+					angle.labelRadius = obj.vertexLabels.labelRadius[i];
+				drawAngle(angle);
+			}
+		}
+	}
+	if (typeof obj.edgeLabels !== 'undefined') {
+		if (typeof obj.edgeLabels.show == 'undefined') {
+			obj.edgeLabels.show = [];
+			for (var i = 0; i < pathArray.length; i++)
+				obj.edgeLabels.show.push(true);
+		}
+		var label = {
+			ctx: this
+		};
+		label.font = obj.edgeLabels.font || undefined;
+		label.fontSize = obj.edgeLabels.fontSize || undefined;
+		label.width = 1200;
+		for (var i = 0; i < pathArray.length; i++) {
+			if (obj.edgeLabels.show[i] === true) {
+				var a = pathArray[i];
+				var b = pathArray[(i + 1) % pathArray.length];
+				label.textArray = obj.edgeLabels.text[i];
+				labelLine(a, b, label);
+			}
+		}
+	}
+	if (typeof obj.stroke !== 'undefined') {
+		this.beginPath();
+		this.moveTo(pathArray[0][0], pathArray[0][1]);
+		for (var i = 1; i < pathArray.length; i++) {
+			this.lineTo(pathArray[i][0], pathArray[i][1]);
+		}
+		if (boolean(close, false) === true) {
+			this.lineTo(pathArray[0][0], pathArray[0][1]);
+		}
+		this.setStroke(obj.stroke);
+		this.stroke();
+	}
+}
+CanvasRenderingContext2D.prototype.rect2 = function (obj) {
+	var obj = clone(obj);
+	if (un(obj.sf))
+		obj.sf = 1;
+	this.save();
+	var line = true;
+	this.lineWidth = def([obj.lineWidth, obj.thickness, this.lineWidth]) * obj.sf;
+	this.strokeStyle = def([obj.lineColor, obj.color, obj.strokeStyle, this.strokeStyle]);
+	if (obj.lineColor == 'none' || obj.color == 'none' || obj.strokeStyle == 'none')
+		line = false;
+	var fill = false;
+	if (!un(obj.fillColor) && obj.fillColor !== 'none') {
+		fill = true;
+		this.fillStyle = obj.fillColor;
+	} else if (!un(obj.fillStyle) && obj.fillStyle !== 'none') {
+		fill = true;
+		this.fillStyle = obj.fillStyle;
+	}
+	var dash = enlargeDash(def([obj.dash, this.getLineDash(), []]), this.sf);
+	if (!this.setLineDash) {
+		this.setLineDash = function () {}
+	}
+	this.setLineDash(dash);
+	if (!un(obj.rect)) {
+		obj.left = obj.rect[0];
+		obj.top = obj.rect[1];
+		obj.width = obj.rect[2];
+		obj.height = obj.rect[3];
+	}
+	var left = (obj.left || obj.l) * obj.sf;
+	var top = (obj.top || obj.t) * obj.sf;
+	var width = (obj.width || obj.w) * obj.sf;
+	var height = (obj.height || obj.h) * obj.sf;
+	this.beginPath();
+	if (!un(obj.radius)) {
+		var radius = obj.radius * obj.sf;
+		this.moveTo(left + radius, top);
+		this.lineTo(left + width - radius, top);
+		this.arc(left + width - radius, top + radius, radius, 1.5 * Math.PI, 2 * Math.PI);
+		this.lineTo(left + width, top + height - radius);
+		this.arc(left + width - radius, top + height - radius, radius, 0, 0.5 * Math.PI);
+		this.lineTo(left + radius, top + height);
+		this.arc(left + radius, top + height - radius, radius, 0.5 * Math.PI, Math.PI);
+		this.lineTo(left, top + radius);
+		this.arc(left + radius, top + radius, radius, Math.PI, 1.5 * Math.PI);
+		this.closePath();
+		if (fill == true)
+			this.fill();
+		if (line == true)
+			this.stroke();
+	} else {
+		if (fill == true)
+			this.fillRect(left, top, width, height);
+		if (line == true)
+			this.strokeRect(left, top, width, height);
+	}
+	this.restore();
+}
+CanvasRenderingContext2D.prototype.clear = function () {
+	this.clearRect(0, 0, this.data[102], this.data[103]);
+}
+HTMLCanvasElement.prototype.setLeft = function (left) {
+	this.data[100] = left;
+	resizeCanvas2(this, this.data[100], this.data[101]);
+}
+HTMLCanvasElement.prototype.setTop = function (top) {
+	this.data[101] = top;
+	resizeCanvas2(this, this.data[100], this.data[101]);
+}
+HTMLCanvasElement.prototype.setPos = function (left, top) {
+	this.data[100] = left;
+	this.data[101] = top;
+	resizeCanvas2(this, this.data[100], this.data[101]);
+}
+HTMLCanvasElement.prototype.setWidth = function (width) {
+	this.data[102] = width;
+	resizeCanvas(this, this.data[100], this.data[101], this.data[102], this.data[103]);
+}
+HTMLCanvasElement.prototype.setHeight = function (height) {
+	this.data[103] = height;
+	resizeCanvas(this, this.data[100], this.data[101], this.data[102], this.data[103]);
+}
+HTMLCanvasElement.prototype.setDims = function (width, height) {
+	this.data[102] = width;
+	this.data[103] = height;
+	resizeCanvas(this, this.data[100], this.data[101], this.data[102], this.data[103]);
+}
+HTMLCanvasElement.prototype.setVis = function (vis) {
+	if (typeof vis == 'undefined') {
+		this.data[104] = !this.data[104];
+	} else {
+		this.data[104] = vis;
+	}
+	if (this.data[104] == true) {
+		showObj(this);
+	} else {
+		hideObj(this);
+	}
+}
+HTMLCanvasElement.prototype.setPE = function (point) {
+	if (typeof point == 'undefined') {
+		this.data[106] = !this.data[106];
+	} else {
+		this.data[106] = point;
+	}
+	if (this.data[106] == true) {
+		this.style.pointerEvents = 'auto';
+	} else {
+		this.style.pointerEvents = 'none';
+	}
+}
+HTMLCanvasElement.prototype.setZ = function (z) {
+	this.data[107] = z;
+	this.style.zIndex = z;
+}
+HTMLCanvasElement.prototype.setCursor = function (cursor) {
+	this.style.cursor = cursor || 'pointer';
+}
+HTMLCanvasElement.prototype.setOpacity = function (opacity) {
+	this.style.opacity = opacity;
+}
+
+function playButton(left, top, width, func, options) {
+	//visible,zIndex,fillColor,lineColor,lineWidth,radiusx
+	if (typeof options == 'undefined')
+		var options = {};
+	var zIndex = options.zIndex || 2;
+	var button = createCanvas(left, top, width, width, boolean(options.visible, true), false, true, zIndex);
+	button.lineColor = options.lineColor || '#000';
+	button.lineWidth = options.lineWidth || 4;
+	button.fillColor = options.fillColor || '#3FF';
+	button.radius = options.radius || 8;
+	button.direction = 'right';
+	if (options.dir == 'left')
+		button.direction = 'left';
+	button.width = width;
+	button.left = left;
+	button.top = top;
+	button.draw = function () {
+		var ctx = this.ctx;
+		roundedRect2(ctx, this.lineWidth / 2, this.lineWidth / 2, this.width - this.lineWidth, this.width - this.lineWidth, this.radius, this.lineWidth, this.lineColor, this.fillColor);
+		ctx.fillStyle = this.lineColor;
+		ctx.lineCap = 'round';
+		ctx.lineJoin = 'round';
+		ctx.beginPath();
+		if (this.direction == 'right') {
+			ctx.moveTo(this.width * 16 / 50, this.width * 14 / 50);
+			ctx.lineTo(this.width * 34 / 50, this.width * 25 / 50);
+			ctx.lineTo(this.width * 16 / 50, this.width * 36 / 50);
+			ctx.lineTo(this.width * 16 / 50, this.width * 14 / 50);
+		} else {
+			ctx.moveTo(this.width * 34 / 50, this.width * 14 / 50);
+			ctx.lineTo(this.width * 16 / 50, this.width * 25 / 50);
+			ctx.lineTo(this.width * 34 / 50, this.width * 36 / 50);
+			ctx.lineTo(this.width * 34 / 50, this.width * 14 / 50);
+		}
+		ctx.fill();
+	}
+	button.draw();
+	if (typeof func !== 'undefined') {
+		addListener(button, func);
+	}
+	return button;
+}
+function drawCalcAllowedButton(ctx, l, t, size, allowed, backColor) {
+	var w = size || 20;
+	var h = size || 20;
+	var color = backColor || '#FFC';
+	ctx.save();
+	ctx.strokeStyle = '#000';
+	ctx.fillStyle = '#000';
+	roundedRect(ctx, l, t, w, h, 2, 3, '#000', color);
+	roundedRect(ctx, l + 0.3 * w, t + 0.2 * h, w * 0.4, h * 0.6, 1, 3, '#000', '#000');
+	roundedRect(ctx, l + 0.35 * w, t + 0.25 * h, w * 0.3, h * 0.15, 0.01, 3, '#000', color);
+	for (var i = 0; i < 3; i++) {
+		for (var j = 0; j < 3; j++) {
+			roundedRect(ctx, l + 0.35 * w + 0.12 * j * w, t + 0.45 * h + 0.12 * i * h, w * 0.08, h * 0.08, 0.01, 3, '#000', color);
+		}
+	}
+	if (boolean(allowed, true) == false) {
+		ctx.lineWidth = 0.1 * w;
+		ctx.lineCap = 'round';
+		ctx.lineJoin = 'round';
+		ctx.beginPath();
+		ctx.strokeStyle = '#F00';
+		ctx.moveTo(l + 0.85 * w, t + 0.15 * h);
+		ctx.lineTo(l + 0.15 * w, t + 0.85 * h);
+		ctx.stroke();
+	}
+	ctx.restore();
+}
+function drawCalcAllowedButton2(ctx, l, t, size, allowed, backColor, calcColor) {
+	var w = size || 20;
+	var h = size || 20;
+	var color = backColor || '#FFC';
+	var color2 = calcColor || '#333';
+	ctx.save();
+	ctx.strokeStyle = color2;
+	ctx.fillStyle = color2;
+	roundedRect(ctx, l, t, w, h, 2, 3, '#000', color);
+	roundedRect(ctx, l + 0.3 * w, t + 0.2 * h, w * 0.4, h * 0.6, 1, 3, color2, color2);
+	roundedRect(ctx, l + 0.35 * w, t + 0.25 * h, w * 0.3, h * 0.15, 0.01, 3, color2, color);
+	for (var i = 0; i < 3; i++) {
+		for (var j = 0; j < 3; j++) {
+			roundedRect(ctx, l + 0.35 * w + 0.12 * j * w, t + 0.45 * h + 0.12 * i * h, w * 0.08, h * 0.08, 0.01, 3, color2, color);
+		}
+	}
+	if (boolean(allowed, true) == false) {
+		ctx.lineWidth = 0.08 * w;
+		ctx.lineCap = 'round';
+		ctx.lineJoin = 'round';
+		ctx.beginPath();
+		ctx.strokeStyle = '#900';
+		ctx.arc(l + 0.5 * w, t + 0.5 * h, 0.45 * w, 0, 2 * Math.PI);
+		ctx.stroke();
+		ctx.beginPath();
+		ctx.lineWidth = 0.12 * w;
+		ctx.moveTo(l + 0.5 * w + (1 / Math.sqrt(2)) * 0.42 * w, t + 0.5 * h - (1 / Math.sqrt(2)) * 0.42 * h);
+		ctx.lineTo(l + 0.5 * w - (1 / Math.sqrt(2)) * 0.42 * w, t + 0.5 * h + (1 / Math.sqrt(2)) * 0.42 * h);
+		//ctx.moveTo(l+0.15*w,t+0.15*h);
+		//ctx.lineTo(l+0.85*w,t+0.85*h);
+		ctx.stroke();
+
+	}
+	ctx.restore();
+}
+function drawRefreshButton(ctx, l, t, size, backColor) {
+	var w = size || 20;
+	var h = size || 20;
+	var color = backColor || '#FFC';
+	ctx.save();
+	ctx.strokeStyle = '#000';
+	ctx.fillStyle = '#000';
+	ctx.lineCap = 'round';
+	ctx.lineJoin = 'round';
+	roundedRect(ctx, l, t, w, h, 8, 8, '#000', color);
+	ctx.lineWidth = 0.08 * w;
+	ctx.beginPath();
+	ctx.arc(l + 0.5 * w, t + 0.5 * h, 0.22 * w, -1.8 * Math.PI, -0.2 * Math.PI);
+	ctx.stroke();
+	ctx.beginPath();
+	var l2 = l + 0.77 * w;
+	var t2 = t + 0.47 * h;
+	var arrowLength = 0.28 * w;
+	ctx.moveTo(l2, t2);
+	ctx.lineTo(l2 + arrowLength * Math.sin(1.06 * Math.PI), t2 + arrowLength * Math.cos(1.06 * Math.PI));
+	ctx.lineTo(l2 + arrowLength * Math.cos(1.03 * Math.PI), t2 - arrowLength * Math.sin(1.03 * Math.PI));
+	ctx.lineTo(l2, t2);
+	ctx.fill();
+	ctx.restore();
+}
+function drawRangeLabel(ctx, l, t, w, h, direction) {
+	var dir = 'bottom'; // default;
+	if (typeof direction == 'string')
+		dir = direction;
+	switch (dir) {
+	case 'bottom':
+		var p1 = [l, t];
+		var p2 = [l + w / 2, t + h];
+		var p3 = [l + w, t];
+		var c1 = [l + w * (1 / 12), t + h * 1.3];
+		var c2 = [l + w * (13 / 40), t + h * (-0.7)];
+		var c3 = [l + w * (27 / 40), t + h * (-0.7)];
+		var c4 = [l + w * (11 / 12), t + h * 1.3];
+		break;
+	case 'top':
+		var p1 = [l, t + h];
+		var p2 = [l + w / 2, t];
+		var p3 = [l + w, t + h];
+		var c1 = [l + w * (1 / 12), t + h - h * 1.3];
+		var c2 = [l + w * (13 / 40), t + h - h * (-0.7)];
+		var c3 = [l + w * (27 / 40), t + h - h * (-0.7)];
+		var c4 = [l + w * (11 / 12), t + h - h * 1.3];
+		break;
+	case 'right':
+		var p1 = [l, t];
+		var p2 = [l + w, t + h / 2];
+		var p3 = [l, t + h];
+		var c1 = [l + w * 1.3, t + h * (1 / 12)];
+		var c2 = [l + w * (-0.7), t + h * (13 / 40)];
+		var c3 = [l + w * (-0.7), t + h * (27 / 40)];
+		var c4 = [l + w * 1.3, t + h * (11 / 12)];
+		break;
+	case 'left':
+		var p1 = [l + w, t];
+		var p2 = [l, t + h / 2];
+		var p3 = [l + w, t + h];
+		var c1 = [l + w - w * 1.3, t + h * (1 / 12)];
+		var c2 = [l + w - w * (-0.7), t + h * (13 / 40)];
+		var c3 = [l + w - w * (-0.7), t + h * (27 / 40)];
+		var c4 = [l + w - w * 1.3, t + h * (11 / 12)];
+		break;
+	}
+	ctx.beginPath();
+	ctx.moveTo(p1[0], p1[1]);
+	ctx.bezierCurveTo(c1[0], c1[1], c2[0], c2[1], p2[0], p2[1]);
+	ctx.bezierCurveTo(c3[0], c3[1], c4[0], c4[1], p3[0], p3[1]);
+	ctx.stroke();
+}
+
+var JSONfn = {};
+(function () {
+	JSONfn.stringify = function (obj) {
+		return JSON.stringify(obj, function (key, value) {
+			return (typeof value === 'function') ? value.toString() : value;
+		});
+	}
+	JSONfn.parse = function (str) {
+		return JSON.parse(str, function (key, value) {
+			if (typeof value != 'string')
+				return value;
+			return (value.substring(0, 8) == 'function') ? eval('(' + value + ')') : value;
+		});
+	}
+}
+	());
+
+function replaceAll(string, find, replace) {
+	return string.replace(new RegExp(escapeRegExp(find), 'g'), replace);
+}
+function escapeRegExp(string) {
+	return string.replace(/([.*+?^=!:${}()|\[\]\/\\])/g, "\\$1");
+}
+function removeSpaces(string, opt_mathsInput) {
+	string = string.replace(/\s/g, "");
+	if (typeof opt_mathsInput !== 'undefined')
+		setMathsInputText(opt_mathsInput, string, 0);
+	return string;
+}
+function stringTo2dArray(string, elemType) {
+	if (!elemType)
+		elemType = 'string';
+	var start = string.indexOf("[");
+
+	// replace commas with semi-colons inside array (level 1)
+	var bracket = 0;
+	for (j = start; j < string.length; j++) {
+		if (string.charAt(j) == "[")
+			bracket++;
+		if (string.charAt(j) == "]")
+			bracket--;
+		if (string.charAt(j) == "," && bracket == 1) {
+			string = string.slice(0, j) + ";" + string.slice(j + 1);
+		}
+	}
+
+	var bracket = 0;
+	var fin;
+	for (j = start; j < string.length; j++) {
+		if (string.charAt(j) == "[")
+			bracket++;
+		if (string.charAt(j) == "]")
+			bracket--;
+		if (bracket == 0) {
+			fin = j + 1;
+			break;
+		}
+	}
+
+	string = string.slice(start + 1, fin - 1);
+	var array = string.split(";");
+
+	for (j = 0; j < array.length; j++) {
+		var str = array[j];
+		array[j] = array[j].slice(1, -1);
+		array[j] = array[j].split(',');
+		for (k = 0; k < array[j].length; k++) {
+			if (elemType == 'number')
+				array[j][k] = Number(array[j][k]);
+		}
+	}
+
+	return array;
+}
+function textArrayReplace(textArray, findStr, replaceStr) {
+	if (typeof replaceStr == 'object') {
+		return textArrayReplace2(textArray, findStr, replaceStr);
+	}
+	replaceStr = String(replaceStr);
+	for (var i = 0; i < textArray.length; i++) {
+		if (typeof textArray[i] == 'string') {
+			textArray[i] = textStringReplace(textArray[i], findStr, replaceStr);
+		} else if (typeof textArray[i] == 'object') {
+			textArray[i] = textArrayReplace(textArray[i], findStr, replaceStr);
+		}
+	}
+	return textArray;
+}
+function textStringReplace(string, findStr, replaceStr) {
+	var re = new RegExp(findStr, "gi");
+	return string.replace(re, replaceStr);
+}
+function textArrayReplace2(textArray, findStr, replacement) {
+	// replace string with array
+	for (var i = 0; i < textArray.length; i++) {
+		if (typeof textArray[i] == 'string') {
+			var pos = textArray[i].indexOf(findStr);
+			if (pos > -1) {
+				var newElems = clone(replacement);
+				newElems.unshift(textArray[i].slice(0, pos));
+				newElems.push(textArray[i].slice(pos + findStr.length));
+				textArray.splice(i, 1);
+				textArray.splice.apply(textArray, [i, 0].concat(newElems));
+				break;
+			}
+		} else if (typeof textArray[i] == 'object') {
+			textArray[i] = textArrayReplace2(textArray[i], findStr, replacement);
+		}
+	}
+	return textArray;
+}
+
+function getArrayCount(testArray, testValue) {
+	var count = 0;
+	for (var j = 0; j < testArray.length; j++) {
+		if (testArray[j] == testValue) {
+			count++;
+		}
+	}
+	return count;
+}
+function getArrayLessThanCount(testArray, testValue) {
+	var count = 0;
+	for (var j = 0; j < testArray.length; j++) {
+		if (testArray[j] < testValue) {
+			count++;
+		}
+	}
+	return count;
+}
+function shuffleArray(array) {
+	var newArray = [];
+	do {
+		var randomPos = Math.floor(Math.random() * array.length);
+		newArray.push(array[randomPos]);
+		array.splice(randomPos, 1);
+	} while (array.length > 0);
+	return newArray;
+}
+function buildArray(array, dim0, dim1, dim2, dim3, dim4, dim5) {
+	if ((typeof dim0 !== 'undefined') && (typeof array[dim0] == 'undefined')) {
+		array[dim0] = [];
+	}
+	if ((typeof dim1 !== 'undefined') && (typeof array[dim0][dim1] == 'undefined')) {
+		array[dim0][dim1] = [];
+	}
+	if ((typeof dim2 !== 'undefined') && (typeof array[dim0][dim1][dim2] == 'undefined')) {
+		array[dim0][dim1][dim2] = [];
+	}
+	if ((typeof dim3 !== 'undefined') && (typeof array[dim0][dim1][dim2][dim3] == 'undefined')) {
+		array[dim0][dim1][dim2][dim3] = [];
+	}
+	if ((typeof dim4 !== 'undefined') && (typeof array[dim0][dim1][dim2][dim3][dim4] == 'undefined')) {
+		array[dim0][dim1][dim2][dim3][dim4] = [];
+	}
+	if ((typeof dim5 !== 'undefined') && (typeof array[dim0][dim1][dim2][dim3][dim4][dim5] == 'undefined')) {
+		array[dim0][dim1][dim2][dim3][dim4][dim5] = [];
+	}
+}
+function arraySum(array) {
+	var sum = 0;
+	if (!un(array)) {
+		for (var a = 0, aMax = array.length; a < aMax; a++) {
+			sum += Number(array[a]);
+		}
+	}
+	return sum;
+}
+Array.prototype.alphanumSort = function (caseInsensitive) {
+	for (var z = 0, t; t = this[z]; z++) {
+		this[z] = [],
+		x = 0,
+		y = -1,
+		n = 0,
+		i,
+		j;
+		while (i = (j = t.charAt(x++)).charCodeAt(0)) {
+			var m = (i == 46 || (i >= 48 && i <= 57));
+			if (m !== n) {
+				this[z][++y] = "";
+				n = m;
+			}
+			this[z][y] += j;
+		}
+	}
+
+	this.sort(function (a, b) {
+		for (var x = 0, aa, bb; (aa = a[x]) && (bb = b[x]); x++) {
+			if (caseInsensitive) {
+				aa = aa.toLowerCase();
+				bb = bb.toLowerCase();
+			}
+			if (aa !== bb) {
+				var c = Number(aa),
+				d = Number(bb);
+				if (c == aa && d == bb) {
+					return c - d;
+				} else
+					return (aa > bb) ? 1 : -1;
+			}
+		}
+		return a.length - b.length;
+	});
+
+	for (var z = 0; z < this.length; z++)
+		this[z] = this[z].join("");
+}
+function compareVersion(data0, data1, levels) {
+	function getVersionHash(version) {
+		var value = 0;
+		version = version.split(".").map(function (a) {
+				var n = parseInt(a);
+				var letter = a.replace(n, "");
+				if (letter) {
+					return n + letter[0].charCodeAt() / 0xFF;
+				} else {
+					return n;
+				}
+			});
+		for (var i = 0; i < version.length; ++i) {
+			if (levels === i)
+				break;
+			value += version[i] / 0xFF * Math.pow(0xFF, levels - i + 1);
+		}
+		return value;
+	};
+	var v1 = getVersionHash(data0);
+	var v2 = getVersionHash(data1);
+	return v1 === v2 ? -1 : v1 > v2 ? 0 : 1;
+};
+
+function mouseHitRect(l, t, w, h) {
+	var x = mouse.x;
+	var y = mouse.y;
+	if (x >= l && x <= (l + w) && y >= t && y <= (t + h)) {
+		return true;
+	} else {
+		return false;
+	}
+}
+function hitTestMouseOver(obj) {
+	if (un(obj))
+		return;
+	var objBoundingRect = obj.getBoundingClientRect();
+	var x = xCanvasToWindow(mouse.x);
+	var y = yCanvasToWindow(mouse.y);
+	if (x > objBoundingRect.left && x < objBoundingRect.right && y > objBoundingRect.top && y < objBoundingRect.bottom) {
+		return true;
+	} else {
+		return false;
+	}
+}
+function hitTestTwoObjects(obj1, obj2) {
+	var obj1BoundingRect = obj1.getBoundingClientRect();
+	var obj2BoundingRect = obj2.getBoundingClientRect();
+	if (obj1BoundingRect.left < obj2BoundingRect.right && obj1BoundingRect.top < obj2BoundingRect.bottom && obj1BoundingRect.right > obj2BoundingRect.left && obj1BoundingRect.bottom > obj2BoundingRect.top) {
+		return true
+	} else {
+		if (obj1BoundingRect.right > obj2BoundingRect.left && obj1BoundingRect.top < obj2BoundingRect.bottom && obj1BoundingRect.left < obj2BoundingRect.right && obj1BoundingRect.bottom > obj2BoundingRect.top) {
+			return true;
+		} else {
+			if (obj2BoundingRect.left < obj1BoundingRect.right && obj2BoundingRect.top < obj1BoundingRect.bottom && obj2BoundingRect.right > obj1BoundingRect.left && obj2BoundingRect.bottom > obj1BoundingRect.top) {
+				return true
+			} else {
+				if (obj2BoundingRect.right > obj1BoundingRect.left && obj2BoundingRect.top < obj1BoundingRect.bottom && obj2BoundingRect.left < obj1BoundingRect.right && obj2BoundingRect.bottom > obj1BoundingRect.top) {
+					return true;
+				} else {
+					return false
+				}
+			}
+		}
+	}
+}
+function hitTestRect(obj, left, top, width, height) {
+	var objBoundingRect = obj.getBoundingClientRect();
+	var right = left + width;
+	var bottom = top + height;
+	left = xCanvasToWindow(left);
+	right = xCanvasToWindow(right);
+	top = yCanvasToWindow(top);
+	bottom = yCanvasToWindow(bottom);
+	if (objBoundingRect.left < right && objBoundingRect.top < bottom && objBoundingRect.right > left && objBoundingRect.bottom > top) {
+		return true;
+	} else {
+		if (objBoundingRect.right > left && objBoundingRect.top < bottom && objBoundingRect.left < right && objBoundingRect.bottom > top) {
+			return true;
+		} else {
+			if (left < objBoundingRect.right && top < objBoundingRect.bottom && right > objBoundingRect.left && bottom > objBoundingRect.top) {
+				return true;
+			} else {
+				if (right > objBoundingRect.left && top < objBoundingRect.bottom && left < objBoundingRect.right && bottom > objBoundingRect.top) {
+					return true;
+				} else {
+					return false;
+				}
+			}
+		}
+	}
+}
+function hitTestRect2(obj, left, top, width, height) { // tests if center of obj is in rect
+	var objBoundingRect = obj.getBoundingClientRect();
+	var objX = objBoundingRect.left + 0.5 * (objBoundingRect.right - objBoundingRect.left);
+	var objY = objBoundingRect.top + 0.5 * (objBoundingRect.bottom - objBoundingRect.top);
+	var right = left + width;
+	var bottom = top + height;
+	left = xCanvasToWindow(left);
+	right = xCanvasToWindow(right);
+	top = yCanvasToWindow(top);
+	bottom = yCanvasToWindow(bottom);
+	if (objX < right && objY < bottom && objX > left && objY > top) {
+		return true;
+	} else {
+		return false;
+	}
+}
+function hitTestTwoRects(rect1, rect2) {
+	var xHit = false;
+	var yHit = false;
+	if (
+		(rect2[0] <= rect1[0] && rect2[0] + rect2[2] >= rect1[0]) ||
+		(rect2[0] <= rect1[0] + rect1[2] && rect2[0] + rect2[2] >= rect1[0] + rect1[2]) ||
+		(rect2[0] >= rect1[0] && rect2[0] + rect2[2] <= rect1[0] + rect1[2])) {
+		xHit = true;
+	};
+	if (
+		(rect2[1] <= rect1[1] && rect2[1] + rect2[3] >= rect1[1]) ||
+		(rect2[1] <= rect1[1] + rect1[3] && rect2[1] + rect2[3] >= rect1[1] + rect1[3]) ||
+		(rect2[1] >= rect1[1] && rect2[1] + rect2[3] <= rect1[1] + rect1[3])) {
+		yHit = true;
+	};
+	return (xHit && yHit);
+}
+function hitTestMouseOverRect(left, top, width, height) { // tests if mouse is in rect - REQUIRES mouse coords to have been updated
+	if (mouse.x < left + width && mouse.y < top + height && mouse.x > left && mouse.y > top) {
+		return true;
+	} else {
+		return false;
+	}
+}
+function hitTestCircle(obj, centreX, centreY, radius) {
+	var objBoundingRect = obj.getBoundingClientRect();
+	centreX = xCanvasToWindow(centreX);
+	centreY = yCanvasToWindow(centreY);
+	if ((window.innerWidth / window.innerHeight) > (12 / 7)) {
+		radius = (radius / canvas.height) * window.innerHeight;
+	} else {
+		radius = (radius / canvas.width) * window.innerWidth;
+	}
+	var testPoint = [];
+	testPoint[0] = Math.pow((objBoundingRect.left - centreX), 2) + Math.pow((objBoundingRect.top - centreY), 2);
+	testPoint[1] = Math.pow((objBoundingRect.left - centreX), 2) + Math.pow((objBoundingRect.bottom - centreY), 2);
+	testPoint[2] = Math.pow((objBoundingRect.right - centreX), 2) + Math.pow((objBoundingRect.top - centreY), 2);
+	testPoint[3] = Math.pow((objBoundingRect.right - centreX), 2) + Math.pow((objBoundingRect.bottom - centreY), 2);
+	testPoint[4] = Math.pow((objBoundingRect.left - centreX), 2) + Math.pow(((objBoundingRect.top + objBoundingRect.bottom) / 2 - centreY), 2);
+	testPoint[5] = Math.pow((objBoundingRect.right - centreX), 2) + Math.pow(((objBoundingRect.top + objBoundingRect.bottom) / 2 - centreY), 2);
+	testPoint[6] = Math.pow(((objBoundingRect.left + objBoundingRect.right) / 2 - centreX), 2) + Math.pow((objBoundingRect.top - centreY), 2);
+	testPoint[7] = Math.pow(((objBoundingRect.left + objBoundingRect.right) / 2 - centreX), 2) + Math.pow((objBoundingRect.bottom - centreY), 2);
+
+	if (getArrayLessThanCount(testPoint, Math.pow(radius, 2)) > 0) {
+		return true
+	} else {
+		return false
+	}
+}
+function hitTestCircle2(obj, centreX, centreY, radius) { // this one just requires the center of the object to be within the circle
+	var objBoundingRect = obj.getBoundingClientRect();
+	centreX = xCanvasToWindow(centreX);
+	centreY = yCanvasToWindow(centreY);
+	if ((window.innerWidth / window.innerHeight) > (12 / 7)) {
+		radius = (radius / canvas.height) * window.innerHeight;
+	} else {
+		radius = (radius / canvas.width) * window.innerWidth;
+	}
+	var objX = objBoundingRect.left + 0.5 * objBoundingRect.width;
+	var objY = objBoundingRect.top + 0.5 * objBoundingRect.height;
+	if (Math.pow((objX - centreX), 2) + Math.pow((objY - centreY), 2) <= Math.pow(radius, 2)) {
+		return true
+	} else {
+		return false
+	}
+}
+function hitTestMouseOverPolygon(verticesArray) {
+	var x = mouse.x;
+	var y = mouse.y;
+
+	// split n-agon into (n-2) triangles and test if (x,y) is in each triangle
+	var x1 = verticesArray[0][0];
+	var y1 = verticesArray[0][1];
+
+	for (var i = 1; i <= verticesArray.length - 2; i++) {
+		var x2 = verticesArray[i][0];
+		var y2 = verticesArray[i][1];
+		var x3 = verticesArray[i + 1][0];
+		var y3 = verticesArray[i + 1][1];
+		// work out the barycentric coordinates for the triangle
+		// iff all are positive, (x, y) is in the triangle
+		var alpha = ((y2 - y3) * (x - x3) + (x3 - x2) * (y - y3)) / ((y2 - y3) * (x1 - x3) + (x3 - x2) * (y1 - y3));
+		var beta = ((y3 - y1) * (x - x3) + (x1 - x3) * (y - y3)) / ((y2 - y3) * (x1 - x3) + (x3 - x2) * (y1 - y3));
+		var gamma = 1 - alpha - beta;
+		if (alpha > 0 && beta > 0 && gamma > 0) {
+			return true;
+		}
+	}
+	return false;
+}
+function hitTestPolygon(point, verticesArray, includePerimeter) {
+	var x = point[0];
+	var y = point[1];
+	
+	// split n-agon into (n-2) triangles and test if (x,y) is in each triangle
+	var x1 = verticesArray[0][0];
+	var y1 = verticesArray[0][1];
+
+	for (var i = 1; i <= verticesArray.length - 2; i++) {
+		var x2 = verticesArray[i][0];
+		var y2 = verticesArray[i][1];
+		var x3 = verticesArray[i + 1][0];
+		var y3 = verticesArray[i + 1][1];
+		// work out the barycentric coordinates for the triangle
+		// iff all are positive, (x, y) is in the triangle
+		var alpha = ((y2 - y3) * (x - x3) + (x3 - x2) * (y - y3)) / ((y2 - y3) * (x1 - x3) + (x3 - x2) * (y1 - y3));
+		var beta = ((y3 - y1) * (x - x3) + (x1 - x3) * (y - y3)) / ((y2 - y3) * (x1 - x3) + (x3 - x2) * (y1 - y3));
+		var gamma = 1 - alpha - beta;
+		if (boolean(includePerimeter, true) == true) {
+			if (alpha >= 0 && beta >= 0 && gamma >= 0)
+				return true;
+		} else {
+			if (alpha > 0 && beta > 0 && gamma > 0)
+				return true;
+		}
+	}
+	return false;
+}
+function hitTestPolygon2(point,pos) {
+	//https://stackoverflow.com/questions/8721406/how-to-determine-if-a-point-is-inside-a-2d-convex-polygon/23223947#23223947
+	var result = false;
+	for (var i = 0, j = pos.length - 1; i < pos.length; j = i++) {
+		if ((pos[i][1] > point[1]) != (pos[j][1] > point[1]) &&
+		(point[0] < (pos[j][0] - pos[i][0]) * (point[1] - pos[i][1]) / (pos[j][1]-pos[i][1]) + pos[i][0])) {
+			result = !result;
+		}
+	}
+	return result;
+}
+function hitTestPolygonBoundary(point,pos,tol) {
+	if (un(tol)) tol = 0.01;
+	for (var p = 0; p < pos.length; p++) {
+		var pos1 = pos[p];
+		var pos2 = pos[(p+1)%pos.length];
+		if (isPointOnLineSegment(point, pos1, pos2, tol) == true) return true;
+	}
+	return false;
+}
+
+function motionPath(canvasData, startX, startY, finX, finY, rateType, rate) { // eg. rateType='time', rate=2000 (time in ms to complete motion) or rateType='speed', rate=200 (speed of motion in (canvas) pixels per second)
+	var xDistance = finX - startX;
+	var yDistance = finY - startY;
+	var distance = Math.sqrt(Math.pow(xDistance, 2) + Math.pow(yDistance, 2));
+	var time;
+	if (rateType == 'speed') {
+		time = 1000 * distance / rate
+	};
+	if (rateType == 'time') {
+		time = rate
+	};
+	var dx = xDistance * 40 / time;
+	var dy = yDistance * 40 / time;
+	var frameCount = 0;
+	var totalFrames = Math.floor(time / 40);
+	var motion = setInterval(function () {
+			canvasData[100] += dx;
+			canvasData[101] += dy;
+			resize();
+			frameCount++;
+			if (frameCount >= totalFrames) {
+				canvasData[100] = finX;
+				canvasData[101] = finY;
+				resize();
+				clearInterval(motion)
+			};
+		}, 40);
+}
+function motionResize(canvasData, newWidth, newHeight, time, coeX, coeY) {
+	//if not present, the coe will default to the centre of the object
+	if (!coeX) {
+		coeX = canvasData[100] + 0.5 * canvasData[102]
+	};
+	if (!coeY) {
+		coeY = canvasData[101] + 0.5 * canvasData[103]
+	};
+	var dw = (newWidth - canvasData[102]) * 40 / time;
+	var dh = (newHeight - canvasData[103]) * 40 / time;
+	var dx = 0.5 * (canvasData[102] - newWidth) * 40 / time;
+	var dy = 0.5 * (canvasData[103] - newHeight) * 40 / time;
+	var finX = canvasData[100] + 0.5 * (canvasData[102] - newWidth);
+	var finY = canvasData[101] + 0.5 * (canvasData[103] - newHeight);
+	var frameCount = 0;
+	var totalFrames = Math.floor(time / 40);
+	var motion = setInterval(function () {
+			canvasData[100] += dx;
+			canvasData[101] += dy;
+			canvasData[102] += dw;
+			canvasData[103] += dh;
+			resize();
+			frameCount++;
+			if (frameCount >= totalFrames) {
+				canvasData[100] = finX;
+				canvasData[101] = finY;
+				canvasData[102] = newWidth;
+				canvasData[103] = newHeight;
+				resize();
+				clearInterval(motion)
+			};
+		}, 40);
+}
+
+function ceiling(number, toNearest) {
+	// get the place value of toNearest
+	var decPointPos;
+	if (String(toNearest).indexOf('.') !== -1) {
+		decPointPos = String(toNearest).indexOf('.');
+	} else {
+		decPointPos = String(toNearest).length - 1;
+	}
+	var placeValue;
+	for (ii = 0; ii < String(toNearest).length; ii++) {
+		if (String(toNearest).charAt(ii) !== "0" && String(toNearest).charAt(ii) !== ".") {
+			placeValue = decPointPos - ii;
+		}
+	}
+	// divide number and toNearesr by 10^placevalue
+	number = number / (Math.pow(10, placeValue));
+	toNearest = toNearest / (Math.pow(10, placeValue));
+	// divide number by toNearest
+	number = number / toNearest;
+	number = Math.ceil(number);
+	number = number * toNearest;
+	number = number * (Math.pow(10, placeValue));
+	number = Math.round(number * 1000000000) / 1000000000;
+	return number;
+}
+function truncate(number, decPlaces) {
+	return  + (Math.floor(number * Math.pow(10, decPlaces)) / Math.pow(10, decPlaces)).toFixed(decPlaces);
+}
+function round2(number, decPlaces) {
+	return  + (Math.round(number * Math.pow(10, decPlaces)) / Math.pow(10, decPlaces)).toFixed(decPlaces);
+}
+function roundToNearest(number, toNearest) {
+	var testLog = Math.log(toNearest) / Math.log(10);
+	if (Math.abs(testLog - Math.round(testLog)) < 0.000001) { // powers of 10
+		return round(number, toNearest);
+	} else {
+		// get the place value of toNearest
+		var decPointPos;
+		if (String(toNearest).indexOf('.') !== -1) {
+			decPointPos = String(toNearest).indexOf('.');
+		} else {
+			decPointPos = String(toNearest).length - 1;
+		}
+		var placeValue;
+		for (var i = 0; i < String(toNearest).length; i++) {
+			if (String(toNearest).charAt(i) !== "0" && String(toNearest).charAt(i) !== ".") {
+				placeValue = decPointPos - i;
+			}
+		}
+		number = number / (Math.pow(10, placeValue));
+		toNearest = toNearest / (Math.pow(10, placeValue));
+		number = number / toNearest;
+		number = Math.round(number);
+		number = number * toNearest;
+		number = number * (Math.pow(10, placeValue));
+		number = Math.round(number * 1000000000) / 1000000000;
+		return number;
+	}
+}
+function roundSF(number, sigFigs, showAllZeros) {
+	if (un(sigFigs)) sigFigs = 1;
+	var negative = number < 0 ? true : false;
+	number = Math.abs(number);
+	var pv = Math.floor(Math.log(number)/Math.log(10)) - (sigFigs-1);
+	var toNearest = Math.pow(10,pv);
+	var rounded = String(roundToNearest(number,toNearest));
+	
+	var sfCount = 0; // check number of sf in answer
+	var dpPassed = false;
+	for (var d = 0; d < rounded.length; d++) {
+		if (rounded[d] == '-') continue;
+		if (rounded[d] == '.') {
+			if (sfCount >= sigFigs) {
+				rounded = rounded.slice(0,d);
+				break;
+			} else {
+				dpPassed = true;
+				continue;
+			}
+		}
+		if (sfCount == 0 && rounded[d] == '0') continue;
+		sfCount++;
+		if (dpPassed == true && sfCount == sigFigs) {
+			rounded = rounded.slice(0,d+1);
+			break;
+		}
+	}
+	if (negative == true) rounded = '-'+rounded;
+	return rounded;
+}
+function round(number, toNearest, returnAsString) { // toNearest must be a power of 10
+	var sign = number < 0 ? '-' : '';
+	var str = String(Math.abs(number));
+	var decPos = str.indexOf('.') > -1 ? str.indexOf('.') : str.length;
+	var digits = [];
+	for (var n = 0; n < str.length; n++) {
+		if (isNaN(Number(str[n])))
+			continue;
+		digits.push(Number(str[n]));
+	}
+	var roundPV = Math.round(Math.log(toNearest) / Math.log(10));
+	var roundPos = Math.round(decPos - roundPV - 1);
+	if (roundPos >= digits.length) {
+		var addDigits = roundPos - digits.length;
+		for (var p = 0; p <= addDigits; p++)
+			digits.push(0);
+	} else {
+		if (roundPos == -1) {
+			if (digits[0] >= 5) {
+				digits.unshift(1);
+				roundPos++;
+				decPos++;
+			} else {
+				return 0;
+			}
+		} else if (digits[roundPos + 1] >= 5) {
+			if (digits[roundPos] < 9) {
+				digits[roundPos]++;
+			} else {
+				digits[roundPos] = 0;
+				var done = false;
+				var pos = roundPos - 1;
+				var count = 0;
+				while (done == false && count < 50) {
+					count++
+					if (pos == -1) {
+						digits.unshift(1);
+						roundPos++;
+						decPos++;
+						done = true;
+					} else if (digits[pos] < 9) {
+						digits[pos]++;
+						done = true;
+					} else {
+						digits[pos] = 0;
+						pos--;
+					}
+				}
+			}
+		}
+		for (var p = roundPos + 1; p < digits.length; p++)
+			digits[p] = 0;
+	}
+	var str2 = sign;
+	for (var p = 0; p < digits.length; p++) {
+		if (p == decPos) {
+			if (roundPV < 0) {
+				str2 += '.';
+			} else {
+				break;
+			}
+		}
+		if (p == roundPos + 1 && p > decPos)
+			break;
+		str2 += String(digits[p]);
+	}
+	if (Number(str2) == 0)
+		str2 = '0';
+
+	if (boolean(returnAsString, false) == true) {
+		return str2;
+	} else {
+		return Number(str2);
+	}
+	//console.log(sign,str,toNearest,decPos,digits,roundPV,roundPos,str2);
+}
+
+function nthroot(x, n) {
+	try {
+		var negate = n % 2 == 1 && x < 0;
+		if (negate)
+			x = -x;
+		var possible = Math.pow(x, 1 / n);
+		n = Math.pow(possible, n);
+		if (Math.abs(x - n) < 1 && (x > 0 == n > 0))
+			return negate ? -possible : possible;
+	} catch (e) {}
+}
+function hcf(x, y) {
+	x = Math.abs(x);
+	y = Math.abs(y);
+	// Apply Euclid's algorithm to the two numbers.
+	while (Math.max(x, y) % Math.min(x, y) != 0) {
+		if (x > y) {
+			x %= y;
+		} else {
+			y %= x;
+		}
+	}
+	// When the while loop finishes the minimum of x and y is the HCF.
+	return Math.min(x, y);
+}
+function ran(minNum, maxNum) {
+	return Math.floor((maxNum - minNum + 1) * Math.random()) + minNum;
+}
+
+function clickToHide(canvas, canvasctx, canvasData, font, textColor) {
+	if (!font) {
+		font = '12px Arial'
+	};
+	if (!textColor) {
+		textColor = '#333'
+	};
+	canvasctx.font = font;
+	canvasctx.fillStyle = textColor;
+	canvasctx.textBaseline = 'bottom';
+	canvasctx.textAlign = 'center';
+	canvasctx.fillText('Click to close', canvasData[2] / 2, canvasData[3] - 3);
+	canvas.style.pointerEvents = 'auto';
+	canvas.onclick = function () {
+		hideObj(canvas, canvasData);
+	}
+}
+
+// rotates coordinates about the origin (or a given center) and rounds to nearest integer
+function rotateCoords(x, y, degrees, opt_direction, opt_centerX, opt_centerY, opt_round) {
+	var round = true;
+	if (typeof opt_round == 'boolean') {
+		round = opt_round
+	}
+	var direction = opt_direction || 'anti-cw'; // use 'cw' or 'anti-cw'
+	var centerX = opt_centerX || 0; //optional centre of rotation
+	var centerY = opt_centerY || 0;
+	// convert to anti-cw and radians
+	if (direction == 'cw')
+		degrees = 360 - degrees;
+	var angleRads = degrees / 180 * Math.PI;
+	// transpose to origin
+	x -= centerX;
+	y -= centerY;
+	// apply matrix
+	if (round == true) {
+		var newX = Math.round(Math.cos(angleRads) * x - Math.sin(angleRads) * y);
+		var newY = Math.round(Math.sin(angleRads) * x + Math.cos(angleRads) * y);
+	} else {
+		var newX = Math.cos(angleRads) * x - Math.sin(angleRads) * y;
+		var newY = Math.sin(angleRads) * x + Math.cos(angleRads) * y;
+	}
+	// un-transpose
+	newX += centerX;
+	newY += centerY;
+	return {
+		x: newX,
+		y: newY
+	};
+}
+
+var variArray = ['a', 'b', 'c', 'd', 'g', 'h', 'k', 'm', 'n', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'y', 'y'];
+function equivExpressions(string1, string2) { // checks if two algebraic expressions (as strings in x only) are equivalent
+	if (string1 == '' || string2 == '') {
+		return false;
+	}
+	var equivalent = true;
+	// select 100 * 2 random numbers of different magnitudes
+	for (mag = 0; mag < 10; mag++) {
+		for (num = 0; num < 10; num++) {
+			var x = Math.random() * Math.pow(10, mag);
+			var val1 = eval(string1);
+			var val2 = eval(string2);
+			// get percentage error between values
+			var pError = 0;
+			if (val1 !== 0) {
+				pError = Math.abs((val1 - val2) / val1);
+			} else if (val2 !== 0) {
+				pError = Math.abs((val1 - val2) / val2);
+			}
+			if (pError > 0.00001) {
+				equivalent = false;
+			}
+			x = -1 * x;
+			val1 = eval(string1);
+			val2 = eval(string2);
+			pError = 0;
+			if (val1 !== 0) {
+				pError = Math.abs((val1 - val2) / val1);
+			} else if (val2 !== 0) {
+				pError = Math.abs((val1 - val2) / val2);
+			}
+			if (pError > 0.00001) {
+				equivalent = false;
+			}
+		}
+	}
+	return equivalent
+}
+
+function buildQuadraticExp(d, e, f, g, h, vari) {
+	if (un(h))
+		h = 1;
+	var a = h * d * f;
+	var b = h * (d * g + e * f);
+	var c = h * e * g;
+	return buildQuadratic(a, b, c, d, e, f, g, h, vari);
+}
+function buildQuadratic(a, b, c, d, e, f, g, h, vari) {
+	// ax^2 + bx + c = h(dx + e)(fx + g)
+	if (!vari) {
+		var variNum = ran(0, 50);
+		vari = 'x';
+		if (variNum < 19)
+			vari = variArray[variNum];
+	}
+	var p,
+	q,
+	r,
+	exp,
+	fac,
+	compSq,
+	disc,
+	qText,
+	rText,
+	root1Text,
+	root2Text,
+	vertexText,
+	expJS,
+	factors = [],
+	factorisedForms = [],
+	expandedTerms = [],
+	expandedForms = [];
+
+	// create the expanded form text
+	var aSign = '';
+	var aFirstSign = '';
+	var aTerm = String(Math.abs(a)) + vari;
+	var aTermJS = String(Math.abs(a)) + '*Math.pow(' + vari + ',2)';
+	if (a > 0)
+		aSign = ' + ';
+	if (a < 0)
+		aSign = ' - ';
+	if (a < 0)
+		aFirstSign = '-';
+	if (a == 1 || a == -1)
+		aTerm = vari;
+	if (a == 1)
+		aTermJS = 'Math.pow(' + vari + ',2)';
+	if (a == -1)
+		aTermJS = '-Math.pow(' + vari + ',2)';
+	if (a == 0)
+		aTerm = '';
+
+	var bSign = '';
+	var bFirstSign = '';
+	var bTerm = String((Math.abs(b))) + vari;
+	var bTermJS = String((Math.abs(b))) + '*' + vari;
+	if (b > 0)
+		bSign = ' + ';
+	if (b < 0)
+		bSign = ' - ';
+	if (b < 0)
+		bFirstSign = '-';
+	if (b == 1 || b == -1)
+		bTerm = vari;
+	if (b == 1 || b == -1)
+		bTermJS = vari;
+	if (b == -1)
+		bTermJS = vari;
+	if (b == 0)
+		bTerm = '';
+	if (b == 0)
+		bTermJS = '';
+
+	var cSign = '';
+	var cFirstSign = '';
+	var cTerm = String(Math.abs(c));
+	var cTermJS = String(Math.abs(c));
+	if (c > 0)
+		cSign = ' + ';
+	if (c < 0)
+		cSign = ' - ';
+	if (c < 0)
+		cFirstSign = '-';
+	if (c == 0)
+		cTermJS = '';
+	if (c == 0)
+		cTerm = '';
+
+	var expTermsMathsText = [[aFirstSign, aTerm], [bFirstSign, bTerm], [cFirstSign, cTerm]];
+	var expFormsMathsText = [
+		[aFirstSign + aTerm, ['power', false, '2'], bSign, bTerm, cSign, cTerm],
+		[aFirstSign + aTerm, ['power', false, '2'], cSign, cTerm, bSign, bTerm],
+		[bFirstSign + bTerm + aSign + aTerm, ['power', false, '2'], cSign + cTerm],
+		[bFirstSign + bTerm + cSign + cTerm + aSign + aTerm, ['power', false, '2']],
+		[cFirstSign + cTerm + aSign + aTerm, ['power', false, '2'], bSign + bTerm],
+		[cFirstSign + cTerm + bSign + bTerm + aSign + aTerm, ['power', false, '2']]
+	];
+	var expTermsJS = [aTermJS, bTermJS, cTermJS];
+	var expFormsJS = [
+		aFirstSign + aTermJS + bSign + bTermJS + cSign + cTermJS,
+		aFirstSign + aTermJS + cSign + cTermJS + bSign + bTermJS,
+		bFirstSign + bTermJS + aSign + aTermJS + cSign + cTermJS,
+		bFirstSign + bTermJS + cSign + cTermJS + aSign + aTermJS,
+		cFirstSign + cTermJS + aSign + aTermJS + bSign + bTermJS,
+		cFirstSign + cTermJS + bSign + bTermJS + aSign + aTermJS,
+	]
+
+	if (a > 0 || (a < 0 && b < 0 && c < 0)) {
+		exp = expFormsMathsText[0];
+		expJS = expFormsJS[0];
+	} else if (c > 0) {
+		exp = expFormsMathsText[5];
+		expJS = expFormsJS[5];
+	} else {
+		exp = expFormsMathsText[3];
+		expJS = expFormsJS[3];
+	}
+
+	// create the factorised forms
+	var factors = constructFactors(h, d, e, f, g, vari);
+	var factorisedForms = constructFactorisedForms(factors);
+
+	var hFactors = [];
+	for (var hF = h; hF > 1; hF--) {
+		if (h % hF == 0)
+			hFactors.push(hF);
+	}
+
+	var compositeFactors = [];
+	var partiallyFactorisedForms = [];
+
+	//construct sets of factors;
+
+	if (typeof d !== 'undefined' && typeof e !== 'undefined' && typeof f !== 'undefined' && typeof g !== 'undefined') {
+		if (d < 0) {
+			bracket1 = '(' + e + " - ";
+			var dText = Math.abs(d);
+			if (d == -1)
+				dText = '';
+			bracket1 += dText + vari + ')'
+		} else {
+			var eSign = " + ";
+			if (e < 0) {
+				eSign = " - "
+			};
+			var dText = d;
+			if (d == 1)
+				dText = "";
+			if (d == -1)
+				dText = "-";
+			bracket1 = "(" + dText + vari + eSign + Math.abs(e) + ")";
+		}
+
+		if (f < 0) {
+			bracket2 = '(' + g + " - ";
+			var fText = Math.abs(f);
+			if (f == -1)
+				fText = '';
+			bracket2 += fText + vari + ')'
+		} else {
+			var gSign = " + ";
+			if (g < 0) {
+				gSign = " - "
+			};
+			var fText = f;
+			if (f == 1)
+				fText = "";
+			if (f == -1)
+				fText = "-";
+			bracket2 = "(" + fText + vari + gSign + Math.abs(g) + ")";
+		}
+
+		fac = bracket1 + bracket2;
+		if (Math.random() < 0.5)
+			fac = bracket2 + bracket1;
+		if (bracket1 == bracket2) {
+			fac = bracket1 + String.fromCharCode(0x00B2)
+		};
+
+		if (e == 0) {
+			var dText = d;
+			if (d == 1)
+				dText = '';
+			if (d == -1)
+				dText = '-';
+			bracket1 = dText + vari;
+
+		}
+
+		if (g == 0) {
+			var fText = f;
+			if (f == 1)
+				fText = '';
+			if (f == -1)
+				fText = '-';
+			bracket2 = fText + vari;
+			fac = bracket2 + bracket1;
+		}
+
+		if (typeof h !== 'undefined') {
+			var hTerm = h;
+			if (h == 1)
+				hTerm = '';
+			if (h == -1)
+				hTerm = '-';
+			fac = hTerm + fac;
+
+		}
+	}
+
+	// create the completed square form text
+	p = a;
+	q = b / (2 * a);
+	r = c - (b * b) / (4 * a);
+	compSq = '';
+	if (p > 0 || p < 0 && r <= 0) {
+		var pTerm = String(p);
+		if (p == 1)
+			pTerm = '';
+		if (p == -1)
+			pTerm = '-';
+		var qSign = " + ";
+		if (q < 0)
+			qSign = " - ";
+		var qTerm = toMathsText(b, 2 * a);
+		var rSign = " + ";
+		if (r < 0)
+			rSign = " - ";
+		var rTerm = toMathsText(4 * a * c - b * b, 4 * a);
+		if (r == 0) {
+			rSign = '';
+			rTerm = '';
+		}
+		compSq = [pTerm + '(' + vari + qSign, qTerm, ')', ['pow', '', '2'], rSign, rTerm];
+	} else if (p < 0 && r > 0) { // r - p(x +- q)^2
+		var rTerm = toMathsText(4 * a * c - b * b, 4 * a);
+		var qSign = " + ";
+		if (q < 0)
+			qSign = " - ";
+		var qTerm = toMathsText(b, 2 * a);
+		var pTerm = toMathsText(p);
+		if (p == -1)
+			pTerm = '';
+		compSq = [rTerm, ' - ' + pTerm + '(' + vari + qSign, qTerm, ')', ['pow', '', '2']];
+	}
+
+	// makes qText, rText and vertexText
+	if (q < 0) {
+		qText = ["-", qTerm];
+		if (r < 0) {
+			rText = ["-", rTerm];
+			vertexText = ['(', qTerm, ', -', rTerm, ')'];
+		} else {
+			rText = rTerm;
+			vertexText = ['(', qTerm, ', ', rTerm, ')'];
+		}
+	} else {
+		qText = qTerm;
+		if (r < 0) {
+			rText = ["-", rTerm];
+			vertexText = ['(-', qTerm, ', -', rTerm, ')'];
+		} else {
+			rText = rTerm;
+			vertexText = ['(-', qTerm, ', ', rTerm, ')'];
+		}
+	}
+
+	disc = b * b - 4 * a * c;
+
+	// solves ax^2 + bx + c = 0
+	var root1 = (-1 * b + Math.pow(b * b - 4 * a * c, 0.5)) / (2 * a);
+	var root2 = (-1 * b - Math.pow(b * b - 4 * a * c, 0.5)) / (2 * a);
+
+	// makes root1text and root2text
+	// if non-surd solutions
+	if (Math.pow(b * b - 4 * a * c, 0.5) == Math.round(Math.pow(b * b - 4 * a * c, 0.5))) {
+		var root1sign = '';
+		if ((-1 * b + Math.pow(b * b - 4 * a * c, 0.5)) / (2 * a) < 0)
+			root1sign = '-';
+		root1text = [root1sign, toMathsText((-1 * b + Math.pow(b * b - 4 * a * c, 0.5)), (2 * a))];
+		var root2sign = '';
+		if ((-1 * b - Math.pow(b * b - 4 * a * c, 0.5)) / (2 * a) < 0)
+			root2sign = '-';
+		root2text = [root2sign, toMathsText((-1 * b - Math.pow(b * b - 4 * a * c, 0.5)), (2 * a))];
+	} else {
+		var surd = simpSurd(b * b - 4 * a * c, 0.5);
+		root1text = [toMathsText((-1 * b), (2 * a)), ' + ', toMathsText(1, (2 * a)), surd.mathsText];
+		root2text = [toMathsText((-1 * b), (2 * a)), ' - ', toMathsText(1, (2 * a)), surd.mathsText];
+	}
+
+	return {
+		exp: exp,
+		fac: fac,
+		compSq: compSq,
+		disc: disc,
+		a: a,
+		b: b,
+		c: c,
+		d: d,
+		e: e,
+		f: f,
+		g: g,
+		h: h,
+		p: p,
+		q: q,
+		r: r,
+		vari: vari,
+		root1: root1,
+		root2: root2,
+		qText: qText,
+		rText: rText,
+		vertexText: vertexText,
+		root1text: root1text,
+		root2text: root2text,
+		factors: factors,
+		factorisedForms: factorisedForms,
+		expTermsMathsText: expTermsMathsText,
+		expFormsMathsText: expFormsMathsText,
+		expTermsJS: expTermsJS,
+		expFormsJS: expFormsJS,
+		expJS: expJS
+	}
+}
+function quadratic(level, vari) {
+	if (!vari) {
+		var variNum = ran(0, 50);
+		vari = 'x';
+		if (variNum < 19)
+			vari = variArray[variNum];
+	}
+	// quadratic is (dx + e)(fx + g) = ax^2 + bx + c
+	var a,
+	b,
+	c,
+	d,
+	e,
+	f,
+	g,
+	h,
+	p,
+	q,
+	r,
+	exp,
+	fac,
+	compSq,
+	disc,
+	qText,
+	rText,
+	root1Text,
+	root2Text,
+	vertexText,
+	expJS;
+	var factors = [];
+	var factorisedForms = [];
+	var expandedTerms = [];
+	var expandedForms = [];
+	switch (level) {
+	case 1:
+		// (x +- e)(x +- g) || dx(fx +- g)
+		do {
+			d = 1;
+			e = ran(-10, 10);
+			f = 1;
+			g = ran(-10, 10);
+		} while (g == 0)
+
+		if (e == 0) {
+			d = ran(1, 3);
+			do {
+				f = ran(1, 3);
+			} while (hcf(f, g) !== 1)
+		}
+
+		a = d * f;
+		b = d * g + e * f;
+		c = e * g;
+		h = 1;
+
+		break;
+	case 2:
+		// h(x +- e)(x +- g), where h > 1
+		do {
+			d = 1;
+			e = ran(-10, 10);
+			f = 1;
+			g = ran(-10, 10);
+		} while (e == 0 || g == 0)
+
+		a = d * f;
+		b = d * g + e * f;
+		c = e * g;
+		h = [2, 2, 3, 4, 5, 10][ran(0, 5)];
+		break;
+	case 3:
+		// h(dx +- e)(fx +- g)  where d = 1 or f = 1 but not both
+		do {
+			d = ran(1, 6);
+			e = ran(-10, 10);
+			f = ran(1, 6);
+			g = ran(-10, 10);
+			h = Math.max(1, ran(-15, 5));
+		} while (e == 0 || g == 0 || (d == 1 && f == 1) || (d !== 1 && f !== 1) || hcf(d, e) > 1 || hcf(f, g) > 1)
+
+		a = h * d * f;
+		b = h * (d * g + e * f);
+		c = h * e * g;
+
+		break;
+	case 4:
+		// h(dx +- e)(fx +- g)  where d >= 1 and f >= 1
+		do {
+			d = ran(1, 6);
+			e = ran(-10, 10);
+			f = ran(1, 6);
+			g = ran(-10, 10);
+			h = Math.max(1, ran(-15, 5));
+		} while (e == 0 || g == 0 || (d == 1 && f == 1) || hcf(d, e) > 1 || hcf(f, g) > 1)
+
+		a = h * d * f;
+		b = h * (d * g + e * f);
+		c = h * e * g;
+
+		break;
+	case 5:
+		// h(e - dx)(fx +- g)
+		do {
+			d = ran(-6, -1);
+			e = ran(1, 10);
+			f = ran(1, 6);
+			g = ran(-10, 10);
+			h = Math.max(1, ran(-15, 5));
+		} while (g == 0 || hcf(d, e) > 1 || hcf(f, g) > 1)
+
+		a = h * d * f;
+		b = h * (d * g + e * f);
+		c = h * e * g;
+
+		break;
+	case 6:
+		// +-h(+-dx +- e)(+-fx +- g)  where d >= 1 and f >= 1
+		do {
+			d = ran(-3, 3);
+			e = ran(-10, 10);
+			f = ran(-3, 3);
+			g = ran(-10, 10);
+			h = ran(-3, 3);
+		} while (e == 0 || g == 0 || d == 0 || f == 0 || h == 0 || (d == 1 && f == 1) || hcf(d, e) > 1 || hcf(f, g) > 1)
+
+		if (d < 0 && e < 0) {
+			d = -d;
+			e = -e;
+			h = -h;
+		}
+		if (f < 0 && g < 0) {
+			f = -f;
+			g = -g;
+			h = -h;
+		}
+
+		a = h * d * f;
+		b = h * (d * g + e * f);
+		c = h * e * g;
+
+		break;
+	case 7:
+		// generates a quadratic ax^2 +- bx +- c that doesn't factorise
+		do {
+			a = ran(1, 5);
+			b = ran(-100, 100);
+			c = ran(-100, 100);
+			var disc = Math.pow(b * b - 4 * a * c, 0.5);
+		} while (disc == Math.round(disc));
+		h = 1;
+
+		break;
+	case 8:
+		// generates a quadratic +-ax^2 +- bx +- c that doesn't factorise
+		do {
+			a = ran(-10, 10);
+			b = ran(-100, 100);
+			c = ran(-100, 100);
+			var disc = Math.pow(b * b - 4 * a * c, 0.5);
+		} while (a == 0 || disc == Math.round(disc) || (b == 0 && c == 0));
+		h = 1;
+
+		break;
+
+	}
+
+	return buildQuadratic(a, b, c, d, e, f, g, h, vari);
+}
+function sketchQuad(context, quad, gridLeft, gridTop, gridWidth, gridHeight, xMin, xMax, yMin, yMax, yIntLabel, xIntLabel, vertexLabel, opt_fontSize) {
+	// draws a sketch of the graph of a quadratic
+	if (typeof yIntLabel !== 'boolean')
+		yIntLabel = false;
+	if (typeof xIntLabel !== 'boolean')
+		xIntLabel = false;
+	if (typeof vertexLabel !== 'boolean')
+		vertexLabel = false;
+	if (quad.q == 0 && vertexLabel == true)
+		yIntLabel = true;
+	var fontSize = opt_fontSize || (Math.min(gridWidth, gridHeight) / 13);
+
+	if (quad.a > 0) {
+		// need to solve ax^2 + bx + c = yMax
+		var maxVal = solveQuad(quad.a, quad.b, quad.c - yMax);
+	} else {
+		// need to solve ax^2 + bx + c = yMin
+		var maxVal = solveQuad(quad.a, quad.b, quad.c - yMin);
+	}
+	var xStart = Math.max(xMin, maxVal.x2);
+	var yStart = quad.a * xStart * xStart + quad.b * xStart + quad.c;
+	var xFin = Math.min(xMax, maxVal.x1);
+	var yFin = quad.a * xFin * xFin + quad.b * xFin + quad.c;
+
+	var controlPoint = getBezierCurveForQuad(quad.a, quad.b, quad.c, xStart, yStart, xFin, yFin);
+
+	var minPoint = {
+		x: -1 * quad.q,
+		y: quad.r
+	}
+
+	var gridSta = convertGridCoordsToCanvas(xStart, yStart, gridLeft, gridTop, gridWidth, gridHeight, xMin, xMax, yMin, yMax);
+	var gridFin = convertGridCoordsToCanvas(xFin, yFin, gridLeft, gridTop, gridWidth, gridHeight, xMin, xMax, yMin, yMax);
+	var gridCon = convertGridCoordsToCanvas(controlPoint.x, controlPoint.y, gridLeft, gridTop, gridWidth, gridHeight, xMin, xMax, yMin, yMax);
+	var gridMin = convertGridCoordsToCanvas(minPoint.x, minPoint.y, gridLeft, gridTop, gridWidth, gridHeight, xMin, xMax, yMin, yMax);
+	var gridRoot1 = convertGridCoordsToCanvas(quad.root1, 0, gridLeft, gridTop, gridWidth, gridHeight, xMin, xMax, yMin, yMax);
+	var gridRoot2 = convertGridCoordsToCanvas(quad.root2, 0, gridLeft, gridTop, gridWidth, gridHeight, xMin, xMax, yMin, yMax);
+	var gridYInt = convertGridCoordsToCanvas(0, quad.c, gridLeft, gridTop, gridWidth, gridHeight, xMin, xMax, yMin, yMax);
+
+	context.lineWidth = 1;
+	context.strokeStyle = '#666';
+	context.beginPath();
+	context.moveTo(gridLeft, gridTop + 0.5 * gridHeight);
+	context.lineTo(gridLeft + gridWidth, gridTop + 0.5 * gridHeight);
+	context.moveTo(gridLeft + gridWidth * 0.5, gridTop);
+	context.lineTo(gridLeft + gridWidth * 0.5, gridTop + gridHeight);
+	context.stroke();
+	context.strokeStyle = '#000';
+	context.beginPath()
+	context.moveTo(gridSta.x, gridSta.y);
+	context.quadraticCurveTo(gridCon.x, gridCon.y, gridFin.x, gridFin.y);
+	if (vertexLabel == true) {
+		context.moveTo(gridMin.x - 5, gridMin.y - 5);
+		context.lineTo(gridMin.x + 5, gridMin.y + 5);
+		context.moveTo(gridMin.x - 5, gridMin.y + 5);
+		context.lineTo(gridMin.x + 5, gridMin.y - 5);
+	}
+	context.stroke();
+
+	context.font = "14px Arial";
+	context.textBaseline = "middle";
+	context.fillStyle = "#000";
+	context.textAlign = 'center';
+	if (quad.disc == 0) {
+		if (xIntLabel == true || vertexLabel == true)
+			drawMathsText(context, quad.root1text, fontSize, gridRoot1.x, gridRoot1.y + 15, true, '', 'center', 'middle', '#000', 'draw', '#000');
+		if (yIntLabel == true)
+			drawMathsText(context, [String(quad.c)], fontSize, gridYInt.x + 5, gridYInt.y, true, '', 'left', 'middle', '#000', 'draw', '#000');
+
+	} else if (quad.a > 0) {
+		if (xIntLabel == true)
+			drawMathsText(context, quad.root1text, fontSize, gridRoot1.x + 4, gridRoot1.y + 12, true, '', 'left', 'middle', '#000', 'draw');
+		if (xIntLabel == true)
+			drawMathsText(context, quad.root2text, fontSize, gridRoot2.x - 4, gridRoot1.y + 12, true, '', 'right', 'middle', '#000', 'draw');
+		if (quad.b !== 0) {
+			var vertexY = gridMin.y + 20;
+			if (xIntLabel == true && vertexY - (gridTop + 0.5 * gridHeight) < 40)
+				vertexY = gridTop + 0.5 * gridHeight + 40;
+			if (vertexLabel == true)
+				drawMathsText(context, quad.vertexText, fontSize, gridMin.x, vertexY, true, '', 'center', 'middle', '#000', 'draw');
+		}
+		if (quad.c !== 0) {
+			if (quad.q <= 0) {
+				if (quad.b !== 0) {
+					if (yIntLabel == true)
+						drawMathsText(context, [String(quad.c)], fontSize, gridYInt.x - 5, gridYInt.y, true, '', 'right', 'middle', '#000', 'draw');
+				} else {
+					if (yIntLabel == true)
+						drawMathsText(context, [String(quad.c)], fontSize, gridYInt.x - 5, gridYInt.y + 15, true, '', 'right', 'middle', '#000', 'draw');
+				}
+			} else {
+				if (quad.b !== 0) {
+					if (yIntLabel == true)
+						drawMathsText(context, [String(quad.c)], fontSize, gridYInt.x + 5, gridYInt.y, true, '', 'left', 'middle', '#000', 'draw');
+				} else {
+					if (yIntLabel == true)
+						drawMathsText(context, [String(quad.c)], fontSize, gridYInt.x + 5, gridYInt.y + 15, true, '', 'left', 'middle', '#000', 'draw');
+				}
+			}
+		}
+	} else {
+		// quads with a < 0
+
+	}
+}
+function constructFactors(z0, z1, z2, z3, z4, vari) {
+	// z0 is h
+	var hSign = '+';
+	var hOppSign = '-';
+	var hFirstSign = '';
+	var hOppFirstSign = '-';
+	if (z0 < 0) {
+		hSign = '-';
+		hOppSign = '+';
+		hFirstSign = '-';
+		hOppFirstSign = '';
+	}
+	var hTerm = String(Math.abs(z0));
+	if (z0 == 1 || z0 == -1)
+		hTerm = '';
+
+	// z1 is d (ie.dx)
+	var dSign = '+';
+	var dOppSign = '-';
+	var dFirstSign = '';
+	var dOppFirstSign = '-';
+	if (z1 < 0) {
+		dSign = '-';
+		dOppSign = '+';
+		dFirstSign = '-';
+		dOppFirstSign = '';
+	}
+	var dTerm = String(Math.abs(z1)) + vari;
+	if (z1 == 1 || z1 == -1)
+		dTerm = vari;
+
+	// z2 is e
+	var eSign = '+';
+	var eOppSign = '-';
+	var eFirstSign = '';
+	var eOppFirstSign = '-';
+	if (z2 < 0) {
+		eSign = '-';
+		eOppSign = '+';
+		eFirstSign = '-';
+		eOppFirstSign = '';
+	}
+	var eTerm = String(Math.abs(z2));
+	if (z2 == 0) {
+		eSign = '';
+		eOppSign = '';
+		eFirstSign = '';
+		eOppFirstSign = '';
+		eTerm = '';
+	}
+
+	// z3 is f (ie.fx)
+	var fSign = '+';
+	var fOppSign = '-';
+	var fFirstSign = '';
+	var fOppFirstSign = '-';
+	if (z3 < 0) {
+		fSign = '-';
+		fOppSign = '+';
+		fFirstSign = '-';
+		fOppFirstSign = '';
+	}
+	var fTerm = String(Math.abs(z3)) + vari;
+	if (z3 == 1 || z3 == -1)
+		fTerm = vari;
+
+	// z4 is g
+	var gSign = '+';
+	var gOppSign = '-';
+	var gFirstSign = '';
+	var gOppFirstSign = '-';
+	if (z4 < 0) {
+		gSign = '-';
+		gOppSign = '+';
+		gFirstSign = '-';
+		gOppFirstSign = '';
+	}
+	var gTerm = String(Math.abs(z4));
+	if (z4 == 0) {
+		gSign = '';
+		gOppSign = '';
+		gFirstSign = '';
+		gOppFirstSign = '';
+		gTerm = '';
+	}
+
+	return [
+
+		[hFirstSign + hTerm, dFirstSign + dTerm + eSign + eTerm, fFirstSign + fTerm + gSign + gTerm],
+		[hFirstSign + hTerm, eFirstSign + eTerm + dSign + dTerm, fFirstSign + fTerm + gSign + gTerm],
+		[hFirstSign + hTerm, dFirstSign + dTerm + eSign + eTerm, gFirstSign + gTerm + fSign + fTerm],
+		[hFirstSign + hTerm, eFirstSign + eTerm + dSign + dTerm, gFirstSign + gTerm + fSign + fTerm],
+
+		[hOppFirstSign + hTerm, dOppFirstSign + dTerm + eOppSign + eTerm, fFirstSign + fTerm + gSign + gTerm],
+		[hOppFirstSign + hTerm, eOppFirstSign + eTerm + dOppSign + dTerm, fFirstSign + fTerm + gSign + gTerm],
+		[hOppFirstSign + hTerm, dOppFirstSign + dTerm + eOppSign + eTerm, gFirstSign + gTerm + fSign + fTerm],
+		[hOppFirstSign + hTerm, eOppFirstSign + eTerm + dOppSign + dTerm, gFirstSign + gTerm + fSign + fTerm],
+
+		[hOppFirstSign + hTerm, dFirstSign + dTerm + eSign + eTerm, fOppFirstSign + fTerm + gOppSign + gTerm],
+		[hOppFirstSign + hTerm, eFirstSign + eTerm + dSign + dTerm, fOppFirstSign + fTerm + gOppSign + gTerm],
+		[hOppFirstSign + hTerm, dFirstSign + dTerm + eSign + eTerm, gOppFirstSign + gTerm + fOppSign + fTerm],
+		[hOppFirstSign + hTerm, eFirstSign + eTerm + dSign + dTerm, gOppFirstSign + gTerm + fOppSign + fTerm],
+
+		[hFirstSign + hTerm, dOppFirstSign + dTerm + eOppSign + eTerm, fOppFirstSign + fTerm + gOppSign + gTerm],
+		[hFirstSign + hTerm, eOppFirstSign + eTerm + dOppSign + dTerm, fOppFirstSign + fTerm + gOppSign + gTerm],
+		[hFirstSign + hTerm, dOppFirstSign + dTerm + eOppSign + eTerm, gOppFirstSign + gTerm + fOppSign + fTerm],
+		[hFirstSign + hTerm, eOppFirstSign + eTerm + dOppSign + dTerm, gOppFirstSign + gTerm + fOppSign + fTerm],
+
+	]
+
+}
+function constructFactorisedForms(factorsArray) {
+	var returnArray = [];
+	for (var set = 0; set < factorsArray.length; set++) {
+		var fac = [factorsArray[set][0], factorsArray[set][1], factorsArray[set][2]];
+		var facBrac = ['(' + fac[0] + ')', '(' + fac[1] + ')', '(' + fac[2] + ')'];
+		var bracReqFirst = [false, true, true];
+		var bracReq = [true, true, true];
+
+		for (br = 0; br < fac.length; br++) {
+			if (fac[br] == '-')
+				facBrac[br] = '(-1)';
+			// if the factor doesn't contain + or -, no bracket required
+			if (fac[br].indexOf('-') == -1 && fac[br].indexOf('+') == -1)
+				bracReq[br] = false;
+		}
+
+		var first;
+		var second;
+		var third;
+
+		for (br1 = 0; br1 < 3; br1++) {
+			first = facBrac[br1];
+			if (bracReqFirst[br1] == false)
+				first = fac[br1];
+			for (br2 = 0; br2 < 3; br2++) {
+				if (br2 !== br1) {
+					second = facBrac[br2];
+					if (bracReq[br2] == false)
+						second = fac[br2];
+					for (br3 = 0; br3 < 3; br3++) {
+						if (br3 !== br1 && br3 !== br2) {
+							third = facBrac[br3];
+							if (bracReq[br3] == false)
+								third = fac[br3];
+
+							if (returnArray.indexOf(first + second + third) == -1) {
+								returnArray.push(first + second + third);
+							}
+							if (first == second && second == third && first !== '') {
+								if (returnArray.indexOf('Math.pow(' + first + ',3)') == -1)
+									returnArray.push('Math.pow(' + first + ',3)');
+							}
+							if (first == second && first !== '') {
+								if (returnArray.indexOf('Math.pow(' + first + ',2)' + second) == -1)
+									returnArray.push('Math.pow(' + first + ',2)' + second);
+							}
+							if (second == third && second !== '') {
+								if (returnArray.indexOf(first + 'Math.pow(' + second + ',2)') == -1)
+									returnArray.push(first + 'Math.pow(' + second + ',2)');
+							}
+						}
+					}
+				}
+			}
+		}
+	}
+	return returnArray;
+}
+function toMathsText(num, num2) {
+	if (typeof num2 == 'undefined') {
+		num = Math.abs(num);
+		if (num == Math.round(num)) {
+			return String(num);
+		} else {
+			// if num is negative?
+			var frac = decToFrac(num);
+			return ['frac', String(frac.num), String(frac.denom)];
+		}
+	} else {
+		if (num == 0)
+			return '0';
+		var pos = true;
+		if (num / num2 < 0)
+			pos = false;
+		num = Math.abs(num)
+			num2 = Math.abs(num2);
+		var divisor = hcf(num, num2);
+		num = num / divisor;
+		num2 = num2 / divisor;
+		if (num2 == 1) {
+			if (pos == true) {
+				return String(num);
+			} else {
+				return "-" + String(num);
+			}
+		} else {
+			if (pos == true) {
+				return ['frac', [String(num)], [String(num2)]];
+			} else {
+				return ['-', ['frac', [String(num)], [String(num2)]]];
+			}
+		}
+	}
+}
+function addFracs(num1, denom1, num2, denom2) {
+	var denom = denom1 * denom2 / hcf(denom1, denom2);
+	var num = num1 * (denom / denom1) + num2 * (denom / denom2);
+	//console.log(num,denom);
+	return toMathsText(num, denom);
+}
+function simplifyFrac(object, textArrayOrObject) {
+	var textArray = boolean(textArrayOrObject, true);
+
+	var positive = true;
+	if (object.num / object.denom < 0)
+		positive = false;
+	if (object.num == 0) {
+		if (textArray == true) {
+			return ["0"];
+		} else {
+			return {
+				num: 0,
+				denom: 1
+			};
+		}
+	}
+	while (Math.round(object.num) !== object.num || Math.round(object.denom) !== object.denom) {
+		object.num = object.num * 10;
+		object.denom = object.denom * 10;
+	}
+
+	var num = Math.abs(object.num);
+	var denom = Math.abs(object.denom);
+	var multOfPi = false;
+	if (typeof object.multOfPi == 'boolean')
+		multOfPi = object.multOfPi;
+	var newNum = num / hcf(num, denom);
+	var newDenom = denom / hcf(num, denom);
+
+	if (textArray == true) { // if returning a textArray
+		if (multOfPi == false) {
+			if (newDenom == 1) {
+				if (positive == true) {
+					return String(newNum);
+				} else {
+					return "-" + String(newNum);
+				}
+			} else {
+				if (positive == true) {
+					return ['frac', [String(newNum)], [String(newDenom)]]
+				} else {
+					return ['-', ['frac', [String(newNum)], [String(newDenom)]]]
+				}
+			}
+		} else {
+			if (newDenom == 1) {
+				if (positive == true) {
+					if (newNum == 1) {
+						return String.fromCharCode(0x03C0);
+					} else {
+						return String(newNum) + String.fromCharCode(0x03C0);
+					}
+				} else {
+					if (newNum == 1) {
+						return "-" + String.fromCharCode(0x03C0);
+					} else {
+						return "-" + String(newNum) + String.fromCharCode(0x03C0);
+					}
+				}
+			} else {
+				if (positive == true) {
+					if (newNum == 1) {
+						return ['frac', [String.fromCharCode(0x03C0)], [String(newDenom)]];
+					} else {
+						return ['frac', [String(newNum) + String.fromCharCode(0x03C0)], [String(newDenom)]];
+					}
+				} else {
+					if (newNum == 1) {
+						return ["-", ['frac', [String.fromCharCode(0x03C0)], [String(newDenom)]]];
+					} else {
+						return ["-", ['frac', [String(newNum) + String.fromCharCode(0x03C0)], [String(newDenom)]]];
+					}
+				}
+			}
+		}
+	} else { // if returning an object
+		if (positive == true) {
+			return {
+				num: newNum,
+				denom: newDenom
+			};
+		} else {
+			return {
+				num: -1 * newNum,
+				denom: newDenom
+			};
+		}
+	}
+}
+function simplifyFrac2(frac) {
+	var positive = true;
+	if (frac[0] / frac[1] < 0)
+		positive = false;
+	if (frac[0] == 0)
+		return [0, 1];
+	while (Math.round(frac[0]) !== frac[0] || Math.round(frac[1]) !== frac[1]) {
+		frac[0] = frac[0] * 10;
+		frac[1] = frac[1] * 10;
+	}
+
+	var num = Math.abs(frac[0]);
+	var denom = Math.abs(frac[1]);
+	var newNum = num / hcf(num, denom);
+	var newDenom = denom / hcf(num, denom);
+	if (positive == true) {
+		return [newNum, newDenom];
+	} else {
+		return [-1 * newNum, newDenom];
+	}
+}
+function addFracs2(frac1, frac2) {
+	var denom = frac1[1] * frac2[1] / hcf(frac1[1], frac2[1]);
+	var num = frac1[0] * (denom / frac1[1]) + frac2[0] * (denom / frac2[1]);
+	return [num, denom];
+}
+function simpSurd(c) {
+	//takes sqrt(c) and returns simplified: a*sqrt(b)
+	var a,
+	b,
+	mathsTextSurd;
+
+	for (fac = 1; fac <= c; fac++) {
+		if (Math.sqrt(c / fac) == Math.round(Math.sqrt(c / fac))) {
+			a = Math.sqrt(c / fac);
+			b = fac;
+			break;
+		}
+	}
+
+	var aTerm = String(a);
+	mathsTextSurd = [String(a), ['sqrt', [String(b)]]];
+	if (a == 1 && b > 1)
+		mathsTextSurd = [['sqrt', [String(b)]]]
+		if (b == 1)
+			mathsTextSurd = [String(a)];
+
+	return {
+		a: a,
+		b: b,
+		mathsText: mathsTextSurd
+	};
+}
+function primeFactors(num) {
+	var primes = [2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131];
+	if (num == 1)
+		return ['1'];
+	if (num > 131)
+		return ['']; // too big!
+	if (primes.indexOf(num) > -1)
+		return [String(num)];
+	var primeFactors = [];
+	do {
+		for (var i = 0; i < primes.length; i++) {
+			if (num % primes[i] == 0) {
+				primeFactors.push(primes[i]);
+				num = num / primes[i];
+				break;
+			}
+		}
+	} while (num > 1);
+	var returnArray = [];
+	for (var i = 0; i < primeFactors.length; i++) {
+		var repeated = 1;
+		for (var j = i + 1; j < primeFactors.length; j++) {
+			if (primeFactors[i] == primeFactors[j])
+				repeated++;
+		}
+		if (i > 0)
+			returnArray.push(String.fromCharCode(0x00D7))
+			returnArray.push(String(primeFactors[i]));
+		if (repeated > 1) {
+			returnArray.push(['power', false, [String(repeated)]]);
+			i += repeated - 1;
+		}
+	}
+	return returnArray;
+}
+function cuberoot(x) {
+	var y = Math.pow(Math.abs(x), 1 / 3);
+	return x < 0 ? -y : y;
+}
+function solveCubic(a, b, c, d) {
+	if (Math.abs(a) < 1e-8) { // Quadratic case, ax^2+bx+c=0
+		a = b;
+		b = c;
+		c = d;
+		if (Math.abs(a) < 1e-8) { // Linear case, ax+b=0
+			a = b;
+			b = c;
+			if (Math.abs(a) < 1e-8) // Degenerate case
+				return [];
+			return [-b / a];
+		}
+
+		var D = b * b - 4 * a * c;
+		if (Math.abs(D) < 1e-8)
+			return [-b / (2 * a)];
+		else if (D > 0)
+			return [(-b + Math.sqrt(D)) / (2 * a), (-b - Math.sqrt(D)) / (2 * a)];
+		return [];
+	}
+
+	// Convert to depressed cubic t^3+pt+q = 0 (subst x = t - b/3a)
+	var p = (3 * a * c - b * b) / (3 * a * a);
+	var q = (2 * b * b * b - 9 * a * b * c + 27 * a * a * d) / (27 * a * a * a);
+	var roots;
+
+	if (Math.abs(p) < 1e-8) { // p = 0 -> t^3 = -q -> t = -q^1/3
+		roots = [cuberoot(-q)];
+	} else if (Math.abs(q) < 1e-8) { // q = 0 -> t^3 + pt = 0 -> t(t^2+p)=0
+		roots = [0].concat(p < 0 ? [Math.sqrt(-p), -Math.sqrt(-p)] : []);
+	} else {
+		var D = q * q / 4 + p * p * p / 27;
+		if (Math.abs(D) < 1e-8) { // D = 0 -> two roots
+			roots = [-1.5 * q / p, 3 * q / p];
+		} else if (D > 0) { // Only one real root
+			var u = cuberoot(-q / 2 - Math.sqrt(D));
+			roots = [u - p / (3 * u)];
+		} else { // D < 0, three roots, but needs to use complex numbers/trigonometric solution
+			var u = 2 * Math.sqrt(-p / 3);
+			var t = Math.acos(3 * q / p / u) / 3; // D < 0 implies p < 0 and acos argument in [-1..1]
+			var k = 2 * Math.PI / 3;
+			roots = [u * Math.cos(t), u * Math.cos(t - k), u * Math.cos(t - 2 * k)];
+		}
+	}
+
+	// Convert back from depressed cubic
+	for (var i = 0; i < roots.length; i++)
+		roots[i] -= b / (3 * a);
+
+	return roots;
+}
+
+function hitAndAlign(object, firstArray, secondArray, offsetX, offsetY) {
+	//this function aligns a dragged object to the x and y position of another object
+	//first array is draggable buttons
+	//second array is the things they are going to hit
+	//this works for buttons
+	if (typeof offsetX == 'undefined') {
+		offsetX = 0
+	} else {
+		offsetX = Number(offsetX)
+	}
+	if (typeof offsetY == 'undefined') {
+		offsetY = 0
+	} else {
+		offsetY = Number(offsetY)
+	}
+	var alreadyHitMe = false
+		for (var j = 0; j < firstArray.length; j++) {
+
+			if (hitTestTwoObjects(object, firstArray[j]) == true && object !== firstArray[j]) {
+				alreadyHitMe = true
+			}
+
+		}
+
+		for (var j = 0; j < secondArray.length; j++) {
+
+			if (hitTestTwoObjects(object, secondArray[j]) == true && alreadyHitMe == false) {
+
+				var buttonArray = eval(String(taskTag) + 'button')
+					var buttonArrayData = eval(String(taskTag) + 'buttonData')
+
+					var butNum = buttonArray.indexOf(object)
+					var butNum2 = buttonArray.indexOf(secondArray[j])
+
+					buttonArrayData[butNum][100] = buttonArrayData[butNum2][100] + Number(offsetX)
+					buttonArrayData[butNum][101] = buttonArrayData[butNum2][101] + Number(offsetY)
+					resize()
+			}
+
+		}
+
+}
+function hitAndAlignImages(object, firstArray, secondArray, offsetX, offsetY) {
+
+	if (typeof offsetX == 'undefined') {
+		offsetX = 0
+	} else {
+		offsetX = Number(offsetX)
+	}
+	if (typeof offsetY == 'undefined') {
+		offsetY = 0
+	} else {
+		offsetY = Number(offsetY)
+	}
+
+	var alreadyHitMe = false
+		for (var j = 0; j < firstArray.length; j++) {
+
+			if (hitTestTwoObjects(object, firstArray[j]) == true && object !== firstArray[j]) {
+				alreadyHitMe = true
+			}
+
+		}
+
+		for (var j = 0; j < secondArray.length; j++) {
+
+			if (hitTestTwoObjects(object, secondArray[j]) == true && alreadyHitMe == false) {
+
+				var buttonArray = eval(String(taskTag) + 'imageCanvas')
+					var buttonArrayData = eval(String(taskTag) + 'imageCanvasData')
+
+					var butNum = buttonArray.indexOf(object)
+					var butNum2 = buttonArray.indexOf(secondArray[j])
+
+					buttonArrayData[butNum][100] = buttonArrayData[butNum2][100] + Number(offsetX)
+					buttonArrayData[butNum][101] = buttonArrayData[butNum2][101] + Number(offsetY)
+					resize()
+			}
+
+		}
+
+}
+function shuffleImagePositions(arrayOfObjects) {
+
+	var buttonArray = eval(String(taskTag) + 'imageCanvas')
+		var buttonArrayData = eval(String(taskTag) + 'imageCanvasData')
+
+		currentX = []
+		currentY = []
+
+		//get current x and y positions of all objects in array
+
+		for (n201i = 0; n201i < arrayOfObjects.length; n201i++) {
+			var object = arrayOfObjects[n201i]
+
+				var butNum = buttonArray.indexOf(object)
+
+				currentX[n201i] = buttonArrayData[butNum][100]
+				currentY[n201i] = buttonArrayData[butNum][101]
+
+		}
+		var mixedNumbers = []
+		for (n201i = 0; n201i < arrayOfObjects.length; n201i++) {
+			mixedNumbers[n201i] = n201i
+		}
+		mixedNumbers = shuffleArray(mixedNumbers)
+
+		for (n201i = 0; n201i < arrayOfObjects.length; n201i++) {
+
+			//arrayOfObjects = shuffleArray(arrayOfObjects)
+			//choose random object from array
+
+			var objectN = arrayOfObjects[mixedNumbers[n201i]]
+				var butNumN = buttonArray.indexOf(objectN)
+
+				buttonArrayData[butNumN][100] = currentX[n201i]
+				buttonArrayData[butNumN][101] = currentY[n201i]
+				//arrayOfObjects = arrayOfObjects.splice(ran,1)
+		}
+
+		resize()
+}
+function shuffleObjectPositions(arrayOfObjects) {
+
+	var buttonArray = eval(String(taskTag) + 'button')
+		var buttonArrayData = eval(String(taskTag) + 'buttonData')
+
+		currentX = []
+		currentY = []
+
+		//get current x and y positions of all objects in array
+
+		for (n201i = 0; n201i < arrayOfObjects.length; n201i++) {
+			var object = arrayOfObjects[n201i]
+
+				var butNum = buttonArray.indexOf(object)
+
+				currentX[n201i] = buttonArrayData[butNum][100]
+				currentY[n201i] = buttonArrayData[butNum][101]
+
+		}
+		var mixedNumbers = []
+		for (n201i = 0; n201i < arrayOfObjects.length; n201i++) {
+			mixedNumbers[n201i] = n201i
+		}
+		mixedNumbers = shuffleArray(mixedNumbers)
+
+		for (n201i = 0; n201i < arrayOfObjects.length; n201i++) {
+
+			//arrayOfObjects = shuffleArray(arrayOfObjects)
+			//choose random object from array
+
+			var objectN = arrayOfObjects[mixedNumbers[n201i]]
+				var butNumN = buttonArray.indexOf(objectN)
+
+				buttonArrayData[butNumN][100] = currentX[n201i]
+				buttonArrayData[butNumN][101] = currentY[n201i]
+				//arrayOfObjects = arrayOfObjects.splice(ran,1)
+		}
+
+		resize()
+}
+
+// array sorting function for key values
+// use is:   array = array.sort(keySort('/*key*/'));
+function keySort(key, desc) {
+	return function (a, b) {
+		return desc ? ~~(a[key] < b[key]) : ~~(a[key] > b[key]);
+	}
+}
+function arrayMin(array) {
+	var min = array[0];
+	for (var i = 1; i < array.length; i++) {
+		min = Math.min(min, array[i]);
+	}
+	return min;
+}
+function arrayMax(array) {
+	var max = array[0];
+	for (var i = 1; i < array.length; i++) {
+		max = Math.max(max, array[i]);
+	}
+	return max;
+}
+function cloneArray(array) {
+	var newArray = [];
+	for (var i = 0; i < array.length; i++) {
+		newArray[i] = array[i].slice(0);
+	}
+	return newArray
+}
+
+function hexToRgb(color) {
+	if (color.indexOf('rgba') > -1) { // if an rgba string
+		var result = color.substring(5, color.length - 1).replace(/ /g, '').split(',');
+		return result ? {
+			r: parseInt(result[0]),
+			g: parseInt(result[1]),
+			b: parseInt(result[2])
+		}
+		 : null;
+	} else if (color.indexOf('rgb') > -1) { // if an rgb string
+		var result = color.substring(5, color.length - 1).replace(/ /g, '').split(',');
+		return result ? {
+			r: parseInt(result[0]),
+			g: parseInt(result[1]),
+			b: parseInt(result[2])
+		}
+		 : null;
+	} else if (color.indexOf('#') > -1) { // if a hex string
+		// Expand shorthand form (e.g. "03F") to full form (e.g. "0033FF")
+		var shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/i;
+		color = color.replace(shorthandRegex, function (m, r, g, b) {
+				return r + r + g + g + b + b;
+			});
+		var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(color);
+		return result ? {
+			r: parseInt(result[1], 16),
+			g: parseInt(result[2], 16),
+			b: parseInt(result[3], 16)
+		}
+		 : null;
+	} else {
+		return color;
+	}
+}
+function colorA(color, alpha) {
+	var colorRGB = hexToRgb(color);
+	return "rgba(" + colorRGB.r + "," + colorRGB.g + "," + colorRGB.b + "," + alpha + ")";
+}
+function invertColor(color) {
+	if (/^(#)((?:[A-Fa-f0-9]{3}){1,2})$/i.test(color) == true)
+		color = hexToRgb(color); // if hex, change to rgba
+	color.r = 255 - color.r;
+	color.g = 255 - color.g;
+	color.b = 255 - color.b;
+	var a = 1;
+	if (typeof color.a == 'number')
+		a = color.a;
+	return "rgba(" + color.r + "," + color.g + "," + color.b + "," + a + ")";
+}
+function getShades(color, invert) {
+	var invert = boolean(invert, false);
+	if (invert == true) {
+		var color2 = hexToRgb(invertColor(color));
+	} else {
+		var color2 = hexToRgb(color);
+	}
+	var r = color2.r;
+	var g = color2.g;
+	var b = color2.b;
+
+	//var rgb = [];
+	var hex = [];
+
+	if (r == 0 && g == 0 && b == 0) { // if the color is black, switch it to white
+		r = 255;
+		g = 255;
+		b = 255;
+	}
+
+	// get brightest shade of rgb
+	if (Math.max(r, g, b) < 255) {
+		var m = 255 / Math.max(r, g, b);
+		r = r * m;
+		g = g * m;
+		b = b * m;
+	}
+
+	for (var i = 0; i < 16; i++) {
+		var r2 = roundToNearest((i / 15) * r, 1);
+		var g2 = roundToNearest((i / 15) * g, 1);
+		var b2 = roundToNearest((i / 15) * b, 1);
+		//rgb[i] = "rgb("+String(r2)+","+String(g2)+","+String(b2)+")";
+		var r3 = decToHex2Digits(r2);
+		var g3 = decToHex2Digits(g2);
+		var b3 = decToHex2Digits(b2);
+		hex[i] = "#" + r3 + g3 + b3;
+	}
+
+	return hex;
+}
+function decToHex2Digits(num) {
+	num2 = num.toString(16);
+	if (num2.length == 1) {
+		num2 = "0" + num2;
+	} else if (num2.indexOf('.') == 1) {
+		num2 = "0" + num2.slice(0, 1);
+	} else {
+		num2 = num2.slice(0, 2);
+	}
+	return num2;
+}
+function testShades(ctx, color, invert) {
+	var colors = getShades(color, invert);
+	var ctx = draw.drawctx;
+	ctx.strokeStyle = '#000';
+	for (var i = 0; i < 16; i++) {
+		ctx.fillStyle = colors[i];
+		ctx.fillRect(50 + i * 50, 50, 50, 50);
+		ctx.strokeRect(50 + i * 50, 50, 50, 50);
+	}
+}
+function getColor(r, g, b, a) {
+	if (un(a))
+		a = 1;
+	return 'rgba(' + r + ',' + g + ',' + b + ',' + a + ')';
+}
+function getScaleColor(value,max,saturation) {
+	if (un(saturation)) saturation = 1;
+	var perc = Math.round((value / max) * 100);
+	var h = Math.floor(perc * 1.2);
+    var s = saturation;
+    var v = 1;
+	return hsv2rgb(h, s, v);
+}
+function hsv2rgb (h, s, v) {
+  // adapted from http://schinckel.net/2012/01/10/hsv-to-rgb-in-javascript/
+  var rgb, i, data = [];
+  if (s === 0) {
+    rgb = [v,v,v];
+  } else {
+    h = h / 60;
+    i = Math.floor(h);
+    data = [v*(1-s), v*(1-s*(h-i)), v*(1-s*(1-(h-i)))];
+    switch(i) {
+      case 0:
+        rgb = [v, data[2], data[0]];
+        break;
+      case 1:
+        rgb = [data[1], v, data[0]];
+        break;
+      case 2:
+        rgb = [data[0], v, data[2]];
+        break;
+      case 3:
+        rgb = [data[0], data[1], v];
+        break;
+      case 4:
+        rgb = [data[2], data[0], v];
+        break;
+      default:
+        rgb = [v, data[0], data[1]];
+        break;
+    }
+  }
+  return '#' + rgb.map(function(x){
+    return ("0" + Math.round(x*255).toString(16)).slice(-2);
+  }).join('');
+};
+
+function collapseLines(lineArray) {
+	// collapses lines in an array such as:
+	// [ [[x1,y1],[x2,y2]], [[x3,y3],[x4,y4]], [[x5,y5],[x6,y6]] ]
+	do {
+		var joinFound = false;
+		for (var i = 0; i < lineArray.length; i++) {
+			if (joinFound == false) {
+				for (var j = i + 1; j < lineArray.length; j++) {
+					var x1 = lineArray[i][0][0];
+					var y1 = lineArray[i][0][1];
+					var x2 = lineArray[i][1][0];
+					var y2 = lineArray[i][1][1];
+					var x3 = lineArray[j][0][0];
+					var y3 = lineArray[j][0][1];
+					var x4 = lineArray[j][1][0];
+					var y4 = lineArray[j][1][1];
+					var m1 = (y2 - y1) / (x2 - x1);
+					var m2 = (y4 - y3) / (x4 - x3);
+					// if gradients are equal and point from line 1 is on line 2
+					//console.log('x1,y1,x2,y2,x3,y3,x4,y4');
+					//console.log('grad/grad: ',mMax/mMin);
+					//console.log('pointOnLine: ',isPointOnLine([x1,y1],[x3,y3],[x4,y4],3.5));
+					if (((Math.abs(m1) == 'Infinity' && Math.abs(m2) == 'Infinity') || Math.abs(m1 - m2) < 0.0001) && isPointOnLine([x1, y1], [x3, y3], [x4, y4], 0.25) == true) {
+						// if one of the points is between the two points on the other line
+						if ((x1 >= Math.min(x3, x4) && x1 <= Math.max(x3, x4) && y1 >= Math.min(y3, y4) && y1 <= Math.max(y3, y4)) || (x2 >= Math.min(x3, x4) && x2 <= Math.max(x3, x4) && y2 >= Math.min(y3, y4) && y2 <= Math.max(y3, y4)) || (x3 >= Math.min(x1, x2) && x3 <= Math.max(x1, x2) && y3 >= Math.min(y1, y2) && y3 <= Math.max(y1, y2)) || (x4 >= Math.min(x1, x2) && x4 <= Math.max(x1, x2) && y4 >= Math.min(y1, y2) && y4 <= Math.max(y1, y2))) {
+							var xMin = Math.min(x1, x2, x3, x4);
+							var xMax = Math.max(x1, x2, x3, x4);
+							if (xMin == x1)
+								var yMin = y1;
+							if (xMin == x2)
+								var yMin = y2;
+							if (xMin == x3)
+								var yMin = y3;
+							if (xMin == x4)
+								var yMin = y4;
+							if (xMax == x1)
+								var yMax = y1;
+							if (xMax == x2)
+								var yMax = y2;
+							if (xMax == x3)
+								var yMax = y3;
+							if (xMax == x4)
+								var yMax = y4;
+							if (xMin == xMax) {
+								var yMin = Math.min(y1, y2, y3, y4);
+								var yMax = Math.max(y1, y2, y3, y4);
+							}
+							joinFound = true;
+							lineArray[i][0] = [xMin, yMin];
+							lineArray[i][1] = [xMax, yMax];
+							lineArray.splice(j, 1);
+							break;
+						}
+					}
+				}
+			}
+		}
+	} while (joinFound == true);
+	return lineArray;
+}
+
+function drawBarChart(object) {
+	/* EXAMPLE USAGE:
+	drawBarChart({
+	ctx:j324buttonctx[0],
+	left:200,
+	top:240,
+	width:500,
+	height:370,
+	data:[{value:['0'],	freq:17},{value:['1'],	freq:6},{value:['2'],	freq:3},{value:['3'],	freq:1},{value:['4'],	freq:2},{value:['5'],	freq:0},{value:['6'],	freq:1},
+	],
+	barWidth:[2,1], // bar width to gap width ratio
+	barColor:'#FCF',
+	barOutlineColor:'#000',
+	barOutlineWidth:4,
+	xLabel:['number of days'],
+	yLabel:['frequency'],
+	title:['Number of days absent in a month for a class'],
+	titlePos:[450,260,200,90],
+	yMinor:{show:true,step:1,color:'#AAA',width:1,dash:[3,5]},
+	yMajor:{show:true,step:2,color:'#888',width:2,dash:[]},
+	yMin:0,
+	yMax:18,
+	});
+	 */
+
+	var ctx = object.ctx || object.context;
+	var left = object.left;
+	var top = object.top;
+	var width = object.width;
+	var height = object.height;
+	var data = object.data;
+
+	var barWidth = object.barWidth || [2, 1];
+	var barColor = object.barColor || '#FCF';
+	var barOutlineColor = object.barOutlineColor || '#000';
+	var barOutlineWidth = object.barOutlineWidth || 2;
+	var xLabel = object.xLabel || [''];
+	var yLabel = object.yLabel || [''];
+	var title = object.title || [''];
+	var titlePos = object.titlePos || [left + 0.5 * width, top + 0.03 * height, 0.4 * width, 0.2 * height];
+
+	if (typeof object.yMinor == 'object') {
+		var yMinorShow = boolean(object.yMinor.show, false);
+		var yMinorStep = object.yMinor.step || 1;
+		var yMinorColor = object.yMinor.color || '#AAA';
+		var yMinorWidth = object.yMinor.width || 1;
+		var yMinorDash = object.yMinor.dash || [];
+	} else {
+		var yMinorShow = false;
+		var yMinorStep = 1;
+		var yMinorColor = '#AAA';
+		var yMinorWidth = 1;
+		var yMinorDash = [];
+	}
+
+	if (typeof object.yMajor == 'object') {
+		var yMajorShow = boolean(object.yMajor.show, false);
+		var yMajorStep = object.yMajor.step || 1;
+		var yMajorColor = object.yMajor.color || '#888';
+		var yMajorWidth = object.yMajor.width || 2;
+		var yMajorDash = object.yMajor.dash || [];
+	} else {
+		var yMajorShow = false;
+		var yMajorStep = 1;
+		var yMajorColor = '#888';
+		var yMajorWidth = 2;
+		var yMajorDash = [];
+	}
+
+	if (object.yMin == 'number') {
+		var yMin = object.yMin;
+	} else {
+		var yMin = 0;
+	}
+
+	if (object.yMax == 'number') {
+		var yMax = object.yMax;
+	} else {
+		var yMax = 0;
+		for (var i = 0; i < data.length; i++) {
+			yMax = Math.max(yMax, data[i].freq + 1);
+		}
+		var steps = Math.floor(yMax / yMajorStep);
+		while (yMax % yMajorStep > 0 || yMax / yMajorStep < steps + 1) {
+			yMax++;
+		}
+	}
+
+	// work out the spacing for minor and major steps
+	var yMinorSpacing = (height * yMinorStep) / (yMax - yMin);
+	var yMajorSpacing = (height * yMajorStep) / (yMax - yMin);
+
+	// work out the coordinates of the origin
+	var x0 = left;
+	var y0 = top + (yMax * height) / (yMax - yMin);
+
+	// work out the actual display position of the origin (ie. at the edge if it is off the grid)
+	var x0DisplayPos = left;
+	var y0DisplayPos = top + height;
+
+	ctx.save();
+	ctx.lineJoin = 'round';
+	ctx.lineCap = 'round';
+	if (yMinorShow == true) {
+		ctx.beginPath();
+		ctx.strokeStyle = yMinorColor;
+		ctx.lineWidth = yMinorWidth;
+		if (!ctx.setLineDash) {
+			ctx.setLineDash = function () {}
+		}
+		ctx.setLineDash(yMinorDash);
+		var yAxisPoint = y0 - yMinorSpacing;
+		while (yAxisPoint > top) {
+			if (yAxisPoint < top + height) {
+				ctx.moveTo(left, yAxisPoint);
+				ctx.lineTo(left + width, yAxisPoint);
+			}
+			yAxisPoint -= yMinorSpacing;
+		}
+		var yAxisPoint = y0 + yMinorSpacing;
+		while (yAxisPoint <= top + height) {
+			if (yAxisPoint >= top) {
+				ctx.moveTo(left, yAxisPoint);
+				ctx.lineTo(left + width, yAxisPoint);
+			}
+			yAxisPoint += yMinorSpacing;
+		}
+		ctx.stroke();
+	}
+
+	if (yMajorShow == true) {
+		ctx.beginPath();
+		ctx.strokeStyle = yMajorColor;
+		ctx.lineWidth = yMajorWidth;
+		if (!ctx.setLineDash) {
+			ctx.setLineDash = function () {}
+		}
+		ctx.setLineDash(yMajorDash);
+		var yAxisPoint = y0 - yMajorSpacing;
+		while (yAxisPoint > top - 0.00001) {
+			if (yAxisPoint < (top + height + 0.00001)) {
+				ctx.moveTo(left, yAxisPoint);
+				ctx.lineTo(left + width, yAxisPoint);
+			}
+			yAxisPoint -= yMajorSpacing;
+		}
+		var yAxisPoint = y0 + yMajorSpacing;
+		while (yAxisPoint < top + height + 0.00001) {
+			if (yAxisPoint > top - 0.00001) {
+				ctx.moveTo(left, yAxisPoint);
+				ctx.lineTo(left + width, yAxisPoint);
+			}
+			yAxisPoint += yMajorSpacing;
+		}
+		ctx.stroke();
+	}
+
+	// draw axes
+	ctx.beginPath();
+	ctx.strokeStyle = '#000';
+	ctx.lineWidth = 3;
+	if (!ctx.setLineDash) {
+		ctx.setLineDash = function () {}
+	}
+	ctx.setLineDash([]);
+	// if neccesary, draw x-Axis
+	if (y0 >= top && y0 <= top + height) {
+		ctx.moveTo(left, y0);
+		ctx.lineTo(left + width, y0);
+	}
+	ctx.stroke();
+	ctx.beginPath();
+	ctx.strokeStyle = '#000';
+	ctx.lineWidth = 3;
+	// if neccesary, draw y-Axis
+	if (x0 >= left && x0 <= left + width) {
+		ctx.moveTo(x0, top);
+		ctx.lineTo(x0, top + height);
+	}
+	ctx.stroke();
+
+	// draw yAxes numbers
+	ctx.font = '24px Arial';
+	ctx.textAlign = "center";
+	ctx.textBaseline = "top";
+	ctx.lineWidth = 2;
+	ctx.strokeStyle = yMajorColor;
+	ctx.textBaseline = "middle";
+	ctx.textAlign = "right";
+	ctx.fillStyle = '#000';
+	var fontSize = 24;
+
+	// positive y numbers
+	var yAxisPoint = y0;
+	var major = 0;
+	var placeValue = Math.pow(10, Math.floor(Math.log(yMajorStep) / Math.log(10)));
+	while (yAxisPoint >= top - 0.0001) {
+		if (yAxisPoint <= top + height) {
+			var axisValue = Number(roundSF(major * yMajorStep, 5));
+			var textWidth = ctx.measureText(String(axisValue)).width
+				ctx.clearRect(x0DisplayPos - textWidth - 16, yAxisPoint - fontSize * 0.5, textWidth + 3, fontSize);
+			ctx.beginPath();
+			ctx.moveTo(x0DisplayPos, yAxisPoint);
+			ctx.lineTo(x0DisplayPos - 8, yAxisPoint);
+			ctx.stroke();
+			wrapText(ctx, String(axisValue), x0DisplayPos - 7, yAxisPoint - 2, 50, 40, fontSize + 'px Arial');
+		}
+		major += 1;
+		yAxisPoint -= yMajorSpacing;
+	}
+	// negative y numbers
+	var yAxisPoint = y0 + yMajorSpacing;
+	var major = -1;
+	while (yAxisPoint <= top + height + 0.0001) {
+		if (yAxisPoint >= top) {
+			var axisValue = Number(roundSF(major * yMajorStep, 5));
+			var textWidth = ctx.measureText(String(axisValue)).width
+				ctx.clearRect(x0DisplayPos - textWidth - 16, yAxisPoint - fontSize * 0.5, textWidth + 3, fontSize);
+			ctx.beginPath();
+			ctx.moveTo(x0DisplayPos, yAxisPoint);
+			ctx.lineTo(x0DisplayPos - 8, yAxisPoint);
+			ctx.stroke();
+			wrapText(ctx, String(axisValue), x0DisplayPos - 7, yAxisPoint - 2, 50, 40, fontSize + 'px Arial');
+		}
+		major -= 1;
+		yAxisPoint += yMajorSpacing;
+	}
+
+	// draw axes
+	ctx.strokeStyle = '#000';
+	ctx.lineWidth = 4;
+	ctx.beginPath();
+	ctx.moveTo(left, top);
+	ctx.lineTo(left, top + height);
+	ctx.lineTo(left + width, top + height);
+	ctx.stroke();
+
+	var ySpacing = height / (yMax - yMin);
+	var xSpacing = width / (data.length * barWidth[0] + (data.length + 1) * barWidth[1]);
+	var l = [];
+
+	ctx.beginPath();
+	for (var i = 0; i < data.length; i++) {
+		l[i] = left + i * barWidth[0] * xSpacing + (i + 1) * barWidth[1] * xSpacing;
+		drawMathsText(ctx, data[i].value, 24, l[i] + 0.5 * xSpacing * barWidth[0], top + height + 5, false, [], 'center', 'top', '#000');
+		//ctx.moveTo(l[i]+0.5*xSpacing*barWidth[0],top+height);
+		//ctx.lineTo(l[i]+0.5*xSpacing*barWidth[0],top+height+5);
+	}
+	ctx.stroke();
+
+	ctx.lineWidth = barOutlineWidth;
+	ctx.strokeStyle = barOutlineColor;
+	ctx.fillStyle = barColor;
+	ctx.beginPath();
+
+	for (var i = 0; i < data.length; i++) {
+		var t = top + height - ySpacing * data[i].freq;
+		var h = ySpacing * data[i].freq;
+		ctx.fillRect(l[i], t, xSpacing * barWidth[0], h);
+		ctx.strokeRect(l[i], t, xSpacing * barWidth[0], h);
+	}
+
+	if (arraysEqual(xLabel, ['']) == false) {
+		text({
+			context: ctx,
+			textArray: ['<<align:center>><<font:Arial>><<fontSize:24>><<color:#000>>' + xLabel],
+			left: left + width - 200,
+			width: 200,
+			top: top + height + 30,
+		});
+	}
+
+	if (arraysEqual(yLabel, ['']) == false) {
+		text({
+			context: ctx,
+			textArray: ['<<align:right>><<font:Arial>><<fontSize:24>><<color:#000>>' + yLabel],
+			left: left - 50 - 200,
+			width: 200,
+			top: top + height * 0.03,
+		});
+	}
+
+	if (arraysEqual(title, ['']) == false) {
+		text({
+			context: ctx,
+			textArray: ['<<align:center>><<font:Arial>><<fontSize:24>><<color:#000>>' + title],
+			left: titlePos[0],
+			top: titlePos[1],
+			width: titlePos[2],
+			maxHeight: titlePos[3],
+			box: {
+				color: '#FFC',
+				dash: [],
+				border: '#000',
+				borderWidth: 3,
+				radius: 5,
+				pos: [titlePos[0] - 10, titlePos[1] - 5, titlePos[2] + 12, titlePos[3] + 10]
+			}
+			// box.pos may need tweaking when text has been improved
+		});
+	}
+}
+
+function isNode(o) { //Returns true if it is a DOM node
+	return (
+		typeof Node === "object" ? o instanceof Node :
+		o && typeof o === "object" && typeof o.nodeType === "number" && typeof o.nodeName === "string");
+}
+function isElement(o) { //Returns true if it is a DOM element
+	return (
+		typeof HTMLElement === "object" ? o instanceof HTMLElement : //DOM2
+		o && typeof o === "object" && o !== null && o.nodeType === 1 && typeof o.nodeName === "string");
+}
+
+/***************************/
+/*     VECTOR GEOMETRY     */
+/***************************/
+
+function getVectorAB(a, b) {
+	return [b[0] - a[0], b[1] - a[1]];
+}
+function getUnitVector(vector) {
+	var mag = Math.sqrt(Math.pow(vector[0], 2) + Math.pow(vector[1], 2));
+	return [vector[0] / mag, vector[1] / mag];
+}
+function setVectorMag(vector, mag) {
+	var unit = getUnitVector(vector);
+	return [unit[0] * mag, unit[1] * mag];
+}
+function getDist(a, b) {
+	return Math.sqrt(Math.pow(b[0] - a[0], 2) + Math.pow(b[1] - a[1], 2));
+}
+function getPerpVector(vector, dir) {
+	if (un(dir))
+		dir = 1;
+	if (dir == 1) {
+		return [-1 * vector[1], vector[0]];
+	} else {
+		return [vector[1], -1 * vector[0]];
+	}
+}
+function pointAddVector(point, vector, scalarMult) {
+	if (un(scalarMult))
+		scalarMult = 1;
+	return [point[0] + scalarMult * vector[0], point[1] + scalarMult * vector[1]];
+}
+function getVectorMag(vector) {
+	return Math.sqrt(Math.pow(vector[0], 2) + Math.pow(vector[1], 2));
+}
+function getVectorAngle(vector) {
+	var angle = Math.atan(vector[1] / vector[0]);
+	if (vector[0] >= 0 && vector[1] >= 0)
+		return angle;
+	if (vector[0] >= 0 && vector[1] < 0)
+		return angle + 2 * Math.PI;
+	if (vector[0] < 0)
+		return angle + Math.PI;
+}
+function angleToVector(angle, mag) {
+	if (un(mag)) mag = 1;
+	return [mag*Math.cos(angle),mag*Math.sin(angle)];
+}
+function rotateVector(vector, angle) {
+	var mag = Math.sqrt(Math.pow(vector[0], 2) + Math.pow(vector[1], 2));
+	var theta = getVectorAngle(vector) + angle;
+	return [mag * Math.cos(theta), mag * Math.sin(theta)];
+}
+function getVectorLinesIntersection(p1, v1, p2, v2) {
+	var lambda = (p1[1] * v2[0] + p2[0] * v2[1] - p1[0] * v2[1] - p2[1] * v2[0]) / (v1[0] * v2[1] - v1[1] * v2[0]);
+	return pointAddVector(p1, v1, lambda);
+}
+function getMidpoint(p1, p2) {
+	return [(p1[0] + p2[0]) / 2, (p1[1] + p2[1]) / 2];
+}
+function getFootOfPerp(p, v, q) { // foot of perp from point q to line p + kv
+	var lambda = (q[0] * v[0] + q[1] * v[1] - p[0] * v[0] - p[1] * v[1]) / (v[0] * v[0] + v[1] * v[1]);
+	return pointAddVector(p, v, lambda);
+}
+function getPerpDist(p, v, q) { // shortest dist from point q to line p + kv
+	var foot = getFootOfPerp(p, v, q);
+	return getDist(q, foot);
+}
+
+var vector = { // generalised 3d versions
+	getVectorAB: function (a, b) {
+		if (a.length !== b.length) return null;
+		var v = [];
+		for (var i = 0; i < a.length; i++) v[i] = b[i] - a[i];
+		return v;
+	},
+	scalarMult: function (a, k) {
+		var r = [];
+		for (var i = 0; i < a.length; i++)
+			r[i] = a[i] * k;
+		return r;
+	},
+	dotProduct: function (a, b) {
+		if (a.length !== b.length)
+			return null;
+		var p = 0;
+		for (var i = 0; i < a.length; i++)
+			p += b[i] * a[i];
+		return p;
+	},
+	crossProduct: function (a, b) {
+		if (a.length !== 3 || b.length !== 3)
+			return null;
+		return [
+			a[1] * b[2] - a[2] * b[1],
+			a[2] * b[0] - a[0] * b[2],
+			a[0] * b[1] - a[1] * b[0]
+		];
+	},
+	getMagnitude: function (a) {
+		var m = 0;
+		for (var i = 0; i < a.length; i++)
+			m += a[i] * a[i];
+		return Math.sqrt(m);
+	},
+	getUnitVector: function (a) {
+		var u = [];
+		var m = vector.getMagnitude(a);
+		for (var i = 0; i < a.length; i++)
+			u[i] = a[i] / m;
+		return u;
+	},
+	setMagnitude: function (a, m) {
+		var b = [];
+		var unitVector = vector.getUnitVector(a);
+		for (var i = 0; i < a.length; i++)
+			b[i] = unitVector[i] * m;
+		return b;
+	},
+	addVectors: function (a, b, k) {
+		if (a.length !== b.length)
+			return null;
+		if (un(k))
+			k = 1;
+		var r = [];
+		for (var i = 0; i < a.length; i++)
+			r[i] = a[i] + b[i] * k;
+		return r;
+	},
+	getAngleBetweenVectors: function (a, b) {
+		if (a.length !== b.length)
+			return null;
+		var dot = vector.dotProduct(a, b);
+		var mag1 = vector.getMagnitude(a);
+		var mag2 = vector.getMagnitude(b);
+		return Math.acos(dot / (mag1 * mag2));
+	}
+};
+
+/***************************/
+/*     	   POLYGONS        */
+/***************************/
+
+function drawPolygon(obj) {
+	// required
+	var ctx = obj.ctx;
+	var points = obj.points;
+
+	// optional
+	var fillColor = obj.fillColor || obj.fillStyle || false;
+	var lineColor = obj.lineColor || obj.color || obj.strokeStyle || false;
+	var lineWidth = obj.lineWidth || obj.thickness || false;
+	var closed = boolean(obj.closed, true);
+	var lineDecoration = obj.lineDecoration || [];
+	var angles = obj.angles || [];
+	var outerAngles = obj.outerAngles || [];
+	var exteriorAngles = obj.exteriorAngles || [];
+	var clockwise = boolean(obj.clockwise, true)
+	var sf = obj.sf || 1;
+	var calcTextSnapPos = boolean(obj.calcTextSnapPos, false)
+
+	//console.log(ctx,points,lineColor,lineWidth,closed);
+
+	var angleLabelPos = [];
+	var outerAngleLabelPos = [];
+	var exteriorAngleLabelPos = [];
+	var prismPoints = [];
+	var textSnapPos = [];
+
+	ctx.save();
+	ctx.lineJoin = 'round';
+	ctx.lineCap = 'round';
+
+	ctx.beginPath();
+
+	if (!un(obj.solidType)) {
+		if (obj.solidType == 'prism') {
+			var prismVector = obj.prismVector || [40, -40];
+			var vectorAngle = getVectorAngle(prismVector);
+			var points2 = [];
+			var points2Vis = [];
+			var angles2 = [];
+			for (var p = 0; p < points.length; p++) {
+				points2[p] = pointAddVector(points[p], prismVector);
+				prismPoints[p] = points2[p];
+				var prev = p - 1;
+				if (prev < 0)
+					prev = obj.points.length - 1;
+				var next = p + 1;
+				if (next > obj.points.length - 1)
+					next = 0;
+				angles2[p] = [
+					posToAngle(obj.points[prev][0], obj.points[prev][1], obj.points[p][0], obj.points[p][1]),
+					posToAngle(obj.points[next][0], obj.points[next][1], obj.points[p][0], obj.points[p][1])
+				];
+				if (anglesInOrder(angles2[p][1], vectorAngle, angles2[p][0]) == true) {
+					points2Vis[p] = false;
+				} else {
+					points2Vis[p] = true;
+				}
+			}
+			
+			if (closed == true && fillColor !== false && fillColor !== 'none') {
+				for (var p = 0; p < points.length; p++) { // fill polygons
+					var next = (p + 1) % (points.length);
+					ctx.moveTo(points[p][0], points[p][1]);
+					ctx.lineTo(points2[p][0], points2[p][1]);
+					ctx.lineTo(points2[next][0], points2[next][1]);
+					ctx.lineTo(points[next][0], points[next][1]);
+					ctx.closePath();
+					ctx.fillStyle = fillColor;
+					ctx.fill();
+				}
+			}
+			
+			for (var p = 0; p < points.length; p++) { // draw lines
+				ctx.save();
+				if (points2Vis[p] == false || points2Vis[(p + 1) % (points.length)] == false) {
+					if (obj.solidShowAllLines == false) continue;
+					ctx.strokeStyle = getShades(ctx.strokeStyle)[12];
+				}
+				ctx.beginPath();
+				ctx.moveTo(points2[p][0], points2[p][1]);
+				ctx.lineTo(points2[(p + 1) % (points.length)][0], points2[(p + 1) % (points.length)][1]);
+				ctx.stroke();
+				ctx.restore();
+			}
+			
+			for (var p = 0; p < points.length; p++) { // draw lines
+				ctx.save();
+				if (points2Vis[p] == false) {
+					if (obj.solidShowAllLines == false) continue;					
+					ctx.strokeStyle = getShades(ctx.strokeStyle)[12];
+				}
+				ctx.beginPath();
+				ctx.moveTo(points[p][0], points[p][1]);
+				ctx.lineTo(points2[p][0], points2[p][1]);
+				ctx.stroke();
+				ctx.restore();
+			}
+
+		}
+	}
+
+	if (closed == true && fillColor !== false && fillColor !== 'none') {
+		ctx.moveTo(points[0][0], points[0][1]);
+		for (var i = 1; i < points.length; i++) {
+			ctx.lineTo(points[i][0], points[i][1]);
+		}
+		ctx.closePath();
+		ctx.fillStyle = fillColor;
+		ctx.fill();
+	}
+
+	for (var i = 0; i < points.length; i++) {
+		var p1 = i == 0 ? points.last() : points[i-1];
+		var p2 = points[i];
+		var p3 = points[(i+1)%points.length];
+		
+		var a1 = getAngleFromAToB(p2,p1);
+		var a2 = getAngleFromAToB(p2,p3);
+		if (a2 > a1) {
+			var a3 = (a1+a2)/2;
+		} else {
+			var a3 = (a1+a2+2*Math.PI)/2;
+			while (a3 > 2*Math.PI) {
+				a3 -= 2*Math.PI;
+			}
+		}
+		var n = Math.PI/8;
+		var align = [0,0];
+		if (a3 < n || a3 >= 15*n) {
+			align = [-1,0];
+		} else if (a3 < 3*n) {
+			align = [-1,-1];
+		} else if (a3 < 5*n) {
+			align = [0,-1];
+		} else if (a3 < 7*n) {
+			align = [1,-1];
+		} else if (a3 < 9*n) {
+			align = [1,0];
+		} else if (a3 < 11*n) {
+			align = [1,1];
+		} else if (a3 < 13*n) {
+			align = [0,1];
+		} else if (a3 < 15*n) {
+			align = [-1,1];
+		}
+		
+		var vector = angleToVector(a3,5);
+		var labelPos = pointAddVector(p2,vector);
+		
+		if (calcTextSnapPos == true) textSnapPos.push({type:'polygonVertex',pos:labelPos,align:align,angle:a3,vertex:i,polygon:obj});
+		
+		// side labels
+		var mid = midpoint(p2[0],p2[1],p3[0],p3[1]);
+		var ang = a2-0.5*Math.PI;
+		while (ang < 0) ang += 2*Math.PI;
+		
+		var align = [0,0];
+		if (ang < n || ang >= 15*n) {
+			align = [-1,0];
+		} else if (ang < 3*n) {
+			align = [-1,-1];
+		} else if (ang < 5*n) {
+			align = [0,-1];
+		} else if (ang < 7*n) {
+			align = [1,-1];
+		} else if (ang < 9*n) {
+			align = [1,0];
+		} else if (ang < 11*n) {
+			align = [1,1];
+		} else if (ang < 13*n) {
+			align = [0,1];
+		} else if (ang < 15*n) {
+			align = [-1,1];
+		}
+		
+		var margin = align.indexOf(0) > -1 ? 10 : 5;
+		var vector = angleToVector(ang,margin);
+		var labelPos = pointAddVector(mid,vector);
+		
+		if (calcTextSnapPos == true) textSnapPos.push({type:'polygonSide',pos:labelPos,align:align,angle:ang,vertex:i,polygon:obj});		
+	}
+	
+	for (var i = 0; i < points.length; i++) {
+		if (typeof angles[i] == 'object' && angles[i] !== null) {
+			angle = clone(angles[i]);
+		} else {
+			continue;
+			angle = {
+				labelMeasure: true,
+				measureLabelOnly: true,
+				measureOnly: true
+			};
+		}
+		angle.ctx = ctx;
+		angle.b = points[i];
+		if (clockwise == false) {
+			angle.a = points[(i + 1) % (points.length)];
+			if (i == 0) {
+				angle.c = points[points.length - 1];
+			} else {
+				angle.c = points[i - 1];
+			}
+		} else {
+			angle.c = points[(i + 1) % (points.length)];
+			if (i == 0) {
+				angle.a = points[points.length - 1];
+			} else {
+				angle.a = points[i - 1];
+			}
+		}
+		angle.drawLines = false;
+		if (typeof angle.lineWidth == 'undefined')
+			angle.lineWidth = ctx.lineWidth;
+		if (typeof angle.lineColor == 'undefined')
+			angle.lineColor = ctx.lineWidth;
+		if (typeof angle.labelColor == 'undefined')
+			angle.labelColor = ctx.strokeStyle;
+		angleLabelPos[i] = drawAngle(angle);
+	}
+
+	if (obj.anglesMode == 'outer' && (un(obj.solidType) || obj.solidType !== 'prism')) {
+		for (var i = 0; i < outerAngles.length; i++) {
+			if (typeof outerAngles[i] == 'object' && outerAngles[i] !== null) {
+				outerAngles[i].ctx = ctx;
+				outerAngles[i].b = points[i];
+				if (clockwise == true) {
+					outerAngles[i].a = points[(i + 1) % (points.length)];
+					if (i == 0) {
+						outerAngles[i].c = points[points.length - 1];
+					} else {
+						outerAngles[i].c = points[i - 1];
+					}
+				} else {
+					outerAngles[i].c = points[(i + 1) % (points.length)];
+					if (i == 0) {
+						outerAngles[i].a = points[points.length - 1];
+					} else {
+						outerAngles[i].a = points[i - 1];
+					}
+				}
+				outerAngles[i].drawLines = false;
+				if (typeof outerAngles[i].lineWidth == 'undefined')
+					outerAngles[i].lineWidth = ctx.lineWidth;
+				if (typeof outerAngles[i].lineColor == 'undefined')
+					outerAngles[i].lineColor = ctx.lineWidth;
+				if (typeof outerAngles[i].labelColor == 'undefined')
+					outerAngles[i].labelColor = ctx.strokeStyle;
+				outerAngleLabelPos[i] = drawAngle(outerAngles[i]);
+			}
+		}
+	}
+
+	ctx.lineJoin = 'round';
+	ctx.lineCap = 'round';
+
+	if (lineColor !== false) {
+		ctx.strokeStyle = lineColor;
+	}
+	if (lineWidth !== false) {
+		ctx.lineWidth = lineWidth;
+	}
+
+	if (obj.anglesMode == 'exterior' && (un(obj.solidType) || obj.solidType !== 'prism')) {
+		for (var i = 0; i < exteriorAngles.length; i++) {
+			if (typeof exteriorAngles[i] == 'object') {
+				exteriorAngleLabelPos[i] = [];
+				var ext = exteriorAngles[i];
+				if (!un(ext.a1) && ext.a1 !== null) {
+					ext.a1.ctx = ctx;
+					ext.a1.c = points[(i + 1) % (points.length)];
+					ext.a1.b = points[i];
+					ext.a1.a = ext.line2.pos;
+					ext.a1.drawLines = false;
+					if (un(ext.a1.lineWidth))
+						ext.a1.lineWidth = ctx.lineWidth;
+					if (un(ext.a1.lineColor))
+						ext.a1.lineColor = ctx.lineWidth;
+					if (un(ext.a1.labelColor))
+						ext.a1.labelColor = ctx.strokeStyle;
+					exteriorAngleLabelPos[i][0] = drawAngle(ext.a1);
+				}
+				if (!un(ext.a2) && ext.a2 !== null) {
+					ext.a2.ctx = ctx;
+					ext.a2.c = ext.line2.pos;
+					ext.a2.b = points[i];
+					ext.a2.a = ext.line1.pos;
+					ext.a2.drawLines = false;
+					if (un(ext.a2.lineWidth))
+						ext.a2.lineWidth = ctx.lineWidth;
+					if (un(ext.a2.lineColor))
+						ext.a2.lineColor = ctx.lineWidth;
+					if (un(ext.a2.labelColor))
+						ext.a2.labelColor = ctx.strokeStyle;
+					exteriorAngleLabelPos[i][1] = drawAngle(ext.a2);
+				}
+				if (!un(ext.a3) && ext.a3 !== null) {
+					ext.a3.ctx = ctx;
+					ext.a3.c = ext.line1.pos;
+					ext.a3.b = points[i];
+					if (i > 0) {
+						ext.a3.a = points[i - 1];
+					} else {
+						ext.a3.a = points[points.length - 1];
+					}
+					ext.a3.drawLines = false;
+					if (un(ext.a3.lineWidth))
+						ext.a3.lineWidth = ctx.lineWidth;
+					if (un(ext.a3.lineColor))
+						ext.a3.lineColor = ctx.lineWidth;
+					if (un(ext.a3.labelColor))
+						ext.a3.labelColor = ctx.strokeStyle;
+					exteriorAngleLabelPos[i][2] = drawAngle(ext.a3);
+				}
+				if (boolean(ext.line1.show, false)) {
+					ctx.save();
+					ctx.lineWidth = lineWidth;
+					ctx.moveTo(points[i][0], points[i][1]);
+					ctx.lineTo(ext.line1.pos[0], ext.line1.pos[1]);
+					ctx.stroke();
+					ctx.restore();
+				}
+				if (boolean(ext.line2.show, false)) {
+					ctx.save();
+					ctx.lineWidth = lineWidth;
+					ctx.moveTo(points[i][0], points[i][1]);
+					ctx.lineTo(ext.line2.pos[0], ext.line2.pos[1]);
+					ctx.stroke();
+					ctx.restore();
+				}
+			}
+		}
+	}
+
+	ctx.beginPath();
+	ctx.moveTo(points[0][0], points[0][1]);
+	for (var i = 1; i < points.length; i++) {
+		ctx.lineTo(points[i][0], points[i][1]);
+	}
+	if (closed == true) {
+		ctx.closePath();
+	}
+	ctx.lineWidth = lineWidth;
+	if (obj.strokeStyle !== 'none')
+		ctx.stroke();
+
+	for (var i = 0; i < lineDecoration.length; i++) {
+		if (typeof lineDecoration[i] == 'object' && lineDecoration[i] !== null) {
+			switch (lineDecoration[i].type) {
+			case 'dash':
+				var dashLength = lineDecoration[i].length || 8 * sf;
+				var number = lineDecoration[i].number || 1;
+				if (number == 1) {
+					drawDash(ctx, points[i][0], points[i][1], points[(i + 1) % (points.length)][0], points[(i + 1) % (points.length)][1], dashLength);
+				} else if (number == 2) {
+					drawDoubleDash(ctx, points[i][0], points[i][1], points[(i + 1) % (points.length)][0], points[(i + 1) % (points.length)][1], dashLength);
+				}
+				break;
+			case 'arrow':
+				var arrowLength = lineDecoration[i].length || 12 * sf;
+				var number = lineDecoration[i].number || 1;
+				var direction = lineDecoration[i].direction || 1;
+				ctx.save();
+				if (direction == 1) {
+					drawParallelArrow({
+						context: ctx,
+						startX: points[i][0],
+						startY: points[i][1],
+						finX: points[(i + 1) % (points.length)][0],
+						finY: points[(i + 1) % (points.length)][1],
+						arrowLength: arrowLength,
+						lineWidth: ctx.lineWidth,
+						numOfArrows: number,
+						color: ctx.strokeStyle
+					});
+				} else if (direction == -1) {
+					drawParallelArrow({
+						context: ctx,
+						finX: points[i][0],
+						finY: points[i][1],
+						startX: points[(i + 1) % (points.length)][0],
+						startY: points[(i + 1) % (points.length)][1],
+						arrowLength: arrowLength,
+						lineWidth: ctx.lineWidth,
+						numOfArrows: number,
+						color: ctx.strokeStyle
+					});
+				}
+				ctx.restore();
+				break;
+			default:
+				break;
+			};
+		}
+	}
+
+	ctx.restore();
+	return {
+		angleLabelPos: angleLabelPos,
+		outerAngleLabelPos: outerAngleLabelPos,
+		exteriorAngleLabelPos: exteriorAngleLabelPos,
+		prismPoints: prismPoints,
+		textSnapPos: textSnapPos
+	};
+}
+function checkLinesForPolygon(lines, allowSelfIntersect) {
+	if (typeof allowSelfIntersect == 'undefined') allowSelfIntersect = false;
+	if (lines.length < 3) return false;
+	var lines = clone(lines);
+	lines = reduceLineSegments(lines);
+
+	// remove lines with zero length
+	for (var l = lines.length - 1; l >= 0; l--) {
+		if (arraysEqual(lines[l][0], lines[l][1])) lines.splice(l, 1);
+	}
+
+	var gradients = [];
+	for (var l = 0; l < lines.length; l++) {
+		var line = lines[l];
+		gradients[l] = (line[1][1] - line[0][1]) / (line[1][0] - line[0][0]);
+	}
+
+	function pointsEqual(p1, p2) {
+		if (p1[0] == p2[0] && p1[1] == p2[1]) return true;
+		return false;
+	}
+
+	//console.clear();
+	//console.log('lines:',clone(lines),lines.length);
+	//console.log('gradients:',gradients);
+	// test for overlapping parallel lines
+	for (var a = 0; a < lines.length - 1; a++) {
+		var lineA = lines[a];
+		for (var b = a + 1; b < lines.length; b++) {
+			var lineB = lines[b];
+			if (gradients[a] !== gradients[b]) continue;
+			var test1 = isPointOnLineSegment(lineB[0], lineA[0], lineA[1]);
+			var test2 = isPointOnLineSegment(lineB[1], lineA[0], lineA[1]);
+			var test3 = (pointsEqual(lineA[0], lineB[0]) || pointsEqual(lineA[0], lineB[1]) || pointsEqual(lineA[1], lineB[0]) || pointsEqual(lineA[1], lineB[1])) ? true : false;
+			if (test1 == false && test2 == false && test3 == false) continue;
+
+			//console.log('a:',a,lineA[0],lineA[1],'b:',b,lineB[0],lineB[1],'gradient:',gradients[a],gradients[b]);	//console.log(pointsEqual(lineA[0],lineB[0]),pointsEqual(lineA[0],lineB[1]),pointsEqual(lineA[1],lineB[0]),pointsEqual(lineA[1],lineB[1]));
+			//console.log(test1,test2,test3);
+
+			// lines overlap - find most extreme of the 4 points
+			var pos = lineA.concat(lineB);
+			var min = pos[0];
+			var max = pos[0];
+			if (gradients[a] == Infinity || gradients[a] == -Infinity) {
+				for (var p = 1; p < pos.length; p++) {
+					if (pos[p][1] < min[1])
+						min = pos[p];
+					if (pos[p][1] > max[1])
+						max = pos[p];
+				}
+			} else {
+				for (var p = 1; p < pos.length; p++) {
+					if (pos[p][0] < min[0])
+						min = pos[p];
+					if (pos[p][0] > max[0])
+						max = pos[p];
+				}
+			}
+			lines[a] = [min, max];
+			lines.splice(b, 1);
+		}
+	}
+
+	var pos = [];
+	//console.log('reduced lines:');
+	for (var l = 0; l < lines.length; l++) {
+		var line = lines[l];
+		//console.log('('+line[0][0]+','+line[0][1]+')','('+line[1][0]+','+line[1][1]+')');
+		var found = [false, false];
+		for (var p = 0; p < pos.length; p++) {
+			if (pos[p].pos[0] == line[0][0] && pos[p].pos[1] == line[0][1]) {
+				pos[p].count++;
+				found[0] = true;
+			}
+			if (pos[p].pos[0] == line[1][0] && pos[p].pos[1] == line[1][1]) {
+				pos[p].count++;
+				found[1] = true;
+			}
+		}
+		if (found[0] == false)
+			pos.push({
+				pos: clone(line[0]),
+				count: 1
+			});
+		if (found[1] == false)
+			pos.push({
+				pos: clone(line[1]),
+				count: 1
+			});
+		//console.log(found,clone(pos));
+	}
+	//console.log('pos:',pos);
+
+	for (var p = 0; p < pos.length; p++) {
+		if (pos[p].count !== 2) return false;
+	}
+
+	var polygon = [lines.shift()];
+	while (lines.length > 0) {
+		var pos = polygon.last()[1];
+		var found = false;
+		for (var l = 0; l < lines.length; l++) {
+			var line = lines[l];
+			if (arraysEqual(line[0], pos)) {
+				polygon.push(line);
+				lines.splice(l, 1);
+				found = true;
+				break;
+			} else if (arraysEqual(line[1], pos)) {
+				polygon.push(line.reverse());
+				lines.splice(l, 1);
+				found = true;
+				break;
+			}
+		}
+		//console.log(clone(polygon),clone(lines),found);
+		if (found == false)
+			return false;
+	}
+	for (var p = 0; p < polygon.length; p++) polygon[p] = polygon[p][0];
+	//console.log('polygon:',polygon);
+	//if (allowSelfIntersect == false && polygonSelfIntersect2(polygon) == false) return false;
+
+	return polygon;
+}
+/*function reduceLineSegments(lines) {
+	var lines = clone(lines);
+
+	// remove lines with zero length
+	for (var l = lines.length - 1; l >= 0; l--) {
+		if (pointsEqual(lines[l][0], lines[l][1])) lines.splice(l, 1);
+	}
+
+	var gradients = [];
+	for (var l = 0; l < lines.length; l++) {
+		var line = lines[l];
+		gradients[l] = (line[1][1] - line[0][1]) / (line[1][0] - line[0][0]);
+	}
+
+	function pointsEqual(p1, p2) {
+		if (p1[0] == p2[0] && p1[1] == p2[1]) return true;
+		return false;
+	}
+
+	// test for overlapping parallel lines
+	for (var a = 0; a < lines.length - 1; a++) {
+		var lineA = lines[a];
+		for (var b = a + 1; b < lines.length; b++) {
+			var lineB = lines[b];
+			if (gradients[a] !== gradients[b]) continue;
+			var test1 = isPointOnLineSegment(lineB[0], lineA[0], lineA[1]);
+			var test2 = isPointOnLineSegment(lineB[1], lineA[0], lineA[1]);
+			var test3 = (pointsEqual(lineA[0], lineB[0]) || pointsEqual(lineA[0], lineB[1]) || pointsEqual(lineA[1], lineB[0]) || pointsEqual(lineA[1], lineB[1])) ? true : false;
+			if (test1 == false && test2 == false && test3 == false) continue;
+
+			// lines overlap - find most extreme of the 4 points
+			var pos = lineA.concat(lineB);
+			var min = pos[0];
+			var max = pos[0];
+			if (gradients[a] == Infinity || gradients[a] == -Infinity) {
+				for (var p = 1; p < pos.length; p++) {
+					if (pos[p][1] < min[1])
+						min = pos[p];
+					if (pos[p][1] > max[1])
+						max = pos[p];
+				}
+			} else {
+				for (var p = 1; p < pos.length; p++) {
+					if (pos[p][0] < min[0])
+						min = pos[p];
+					if (pos[p][0] > max[0])
+						max = pos[p];
+				}
+			}
+			lines[a] = [min, max];
+			lines.splice(b, 1);
+		}
+	}
+
+	return lines;
+}*/
+function reduceLineSegments(lines) {
+	var keepGoing = true;
+	while (keepGoing === true) {
+		keepGoing = false;
+		for (var l1 = 0; l1 < lines.length-1; l1++) {
+			var line1 = lines[l1];
+			for (var l2 = l1+1; l2 < lines.length; l2++) {
+				var line2 = lines[l2];
+				var x1 = line1[0][0];
+				var y1 = line1[0][1];
+				var x2 = line1[1][0];
+				var y2 = line1[1][1];
+				var x3 = line2[0][0];
+				var y3 = line2[0][1];
+				var x4 = line2[1][0];
+				var y4 = line2[1][1];
+				
+				if ((x1 === x2 && x1 === x3 && x1 === x4) || (Math.abs((y2 - y1) / (x2 - x1) - (y4 - y3) / (x4 - x3))) < 0.01) { // vertical or gradients equal
+					// if one of the points is between the two points on the other line
+					if ((x1 >= Math.min(x3,x4) && x1 <= Math.max(x3,x4) && y1 >= Math.min(y3,y4) && y1 <= Math.max(y3,y4)) || 
+						(x2 >= Math.min(x3,x4) && x2 <= Math.max(x3,x4) && y2 >= Math.min(y3,y4) && y2 <= Math.max(y3,y4)) || 
+						(x3 >= Math.min(x1,x2) && x3 <= Math.max(x1,x2) && y3 >= Math.min(y1,y2) && y3 <= Math.max(y1,y2)) || 
+						(x4 >= Math.min(x1,x2) && x4 <= Math.max(x1,x2) && y4 >= Math.min(y1,y2) && y4 <= Math.max(y1,y2))) {
+						var x5 = Math.min(x1,x2,x3,x4);
+						var x6 = Math.max(x1,x2,x3,x4);
+						var y5 = x5 === x6 ? Math.min(y1,y2,y3,y4) : x5 === x1 ? y1 : x5 === x2 ? y2 : x5 === x3 ? y3 : y4;
+						var y6 = x5 === x6 ? Math.max(y1,y2,y3,y4) : x6 === x1 ? y1 : x6 === x2 ? y2 : x6 === x3 ? y3 : y4;
+						lines[l1] = [[x5,y5],[x6,y6]];
+						lines.splice(l2, 1);
+						l2--;
+						keepGoing = true;
+					}
+				}
+			}
+		}
+	}
+	return lines;
+}
+function polygonConvexTest(polygon) {
+	var polygon = clone(polygon);
+	if (polygonClockwiseTest(polygon) == false)
+		polygon.reverse();
+	for (var p = 0; p < polygon.length; p++) {
+		var angle = measureAngle({
+				a: polygon[p],
+				b: polygon[(p + 1) % polygon.length],
+				c: polygon[(p + 2) % polygon.length]
+			});
+		if (angle > Math.PI)
+			return false;
+	}
+	return true;
+}
+function polygonClockwiseTest(pos) {
+	if (pos.length < 3)
+		return null;
+	var sum = (pos[0][0] - pos.last()[0]) * (pos[0][1] + pos.last()[1]);
+	for (var i = 0; i < pos.length - 1; i++) {
+		sum += (pos[i + 1][0] - pos[i][0]) * (pos[i + 1][1] + pos[i][1]);
+	}
+	if (sum > 0)
+		return true;
+	return false;
+};
+function getPolygonSideLabelPoints(polygon, gap) {
+	if (un(gap))
+		gap = 25;
+	var points = [];
+	for (var i = 0; i < polygon.length; i++) {
+		var j = (i + 1) % polygon.length;
+		var mid = [(polygon[i][0] + polygon[j][0]) / 2, (polygon[i][1] + polygon[j][1]) / 2];
+		var vec = getVectorAB(polygon[i], polygon[j]);
+		var perp = getPerpVector(vec);
+		var perpDist = setVectorMag(perp, gap);
+		var point = pointAddVector(mid, perpDist);
+		points.push(point);
+	}
+	return points;
+}
+function drawRegularPolygon(obj) {
+	var ctx = obj.ctx;
+	var c = obj.center || obj.c;
+	var r = obj.radius || obj.r;
+	var p = obj.points || obj.p || 3;
+	var s = obj.step || obj.s || 1;
+	var startAngle = -Math.PI / 2;
+	if (typeof obj.startAngle == 'number')
+		startAngle = obj.startAngle;
+	var vertices = [];
+	for (var i = 0; i < p; i++) {
+		var angle = startAngle + i * (2 * Math.PI) / p;
+		vertices.push([c[0] + r * Math.cos(angle), c[1] + r * Math.sin(angle)]);
+	}
+	ctx.moveTo(vertices[0][0], vertices[0][1]);
+	for (var i = p; i >= 0; i--) {
+		ctx.lineTo(vertices[(i * s) % p][0], vertices[(i * s) % p][1]);
+	}
+}
+function drawRegularPolygonEllipse(ctx, obj) {
+	var c = obj.center;
+	var rX = obj.radiusX;
+	var rY = obj.radiusY;
+	var p = obj.points;
+	var s = obj.step || 1;
+	var startAngle = -Math.PI / 2;
+	if (typeof obj.startAngle == 'number')
+		startAngle = obj.startAngle;
+
+	var vertices = [];
+	for (var i = 0; i < p; i++) {
+		var angle = startAngle + i * (2 * Math.PI) / p;
+		vertices.push([c[0] + rX * Math.cos(angle), c[1] + rY * Math.sin(angle), angle]);
+	}
+
+	ctx.beginPath();
+	ctx.moveTo(vertices[0][0], vertices[0][1]);
+	for (var i = p; i >= 0; i--) {
+		ctx.lineTo(vertices[(i * s) % p][0], vertices[(i * s) % p][1]);
+	}
+	ctx.stroke();
+
+	return vertices;
+}
+function polygonIntersections(p1, p2) {
+	var intersections = [];
+	for (var i = 0; i < p1.length; i++) {
+		var line1 = [p1[i], p1[(i + 1) % p1.length]];
+		for (var j = 0; j < p2.length; j++) {
+			var line2 = [p2[j], p2[(j + 1) % p2.length]];
+			if (lineSegmentsIntersectionTest(line1, line2)) {
+				intersections.push({
+					edges: [i, j],
+					intersection: linesIntersection(line1, line2)
+				});
+			}
+		}
+	}
+	if (intersections.length == 0)
+		return false;
+	return intersections
+}
+function isPolygonInPolygon(p1, p2, includePerimeter) {
+	if (hitTestPolygon2(p1[0], p2) == false) return false;
+	for (var i = 0; i < p1.length; i++) {
+		var line1 = [p1[i], p1[(i + 1) % p1.length]];
+		for (var j = 0; j < p2.length; j++) {
+			var line2 = [p2[j], p2[(j + 1) % p2.length]];
+			if (lineSegmentsIntersectionTest(line1, line2) == true) {
+				if (includePerimeter == false) return false;
+				var p3 = isPointOnLineSegment(line1[0],line2[0],line2[1]);
+				var p4 = isPointOnLineSegment(line1[1],line2[0],line2[1]);
+				if (p3 == false && p4 == false) return false;
+				if (p3 == true && p4 == true) continue; // edge is part of edge
+				if (p3 == true && p4 == false && hitTestPolygon2(line1[1],p2) == false) return false;
+				if (p3 == false && p4 == true && hitTestPolygon2(line1[0],p2) == false) return false;
+			}
+		}
+	}
+	return true;
+}
+function polygonsIntersectionPolygon(p1, p2) {
+	var p = []; // polygon of intersecting region
+
+	// add all edge-edge intersections
+	for (var i = 0; i < p1.length; i++) {
+		var line1 = [p1[i], p1[(i + 1) % p1.length]];
+		for (var j = 0; j < p2.length; j++) {
+			var line2 = [p2[j], p2[(j + 1) % p2.length]];
+			if (lineSegmentsIntersectionTest(line1, line2)) {
+				p.push(linesIntersection(line1, line2));
+			}
+		}
+	}
+
+	// get all vertices of p1 that are inside p2
+	for (var i = 0; i < p1.length; i++) {
+		if (hitTestPolygon(p1[i], p2, false))
+			p.push(p1[i]);
+	}
+
+	// get all vertices of p1 that are inside p2
+	for (var i = 0; i < p2.length; i++) {
+		if (hitTestPolygon(p2[i], p1, false))
+			p.push(p2[i]);
+	}
+
+	// get centre of p
+	var center = [0, 0];
+	for (var i = 0; i < p.length; i++) {
+		center[0] += p[i][0];
+		center[1] += p[i][1];
+	}
+	center[0] = center[0] / p.length;
+	center[1] = center[1] / p.length;
+
+	// order p
+	p.sort(function (a, b) {
+		var a1 = getAngleFromAToB(center, a);
+		var a2 = getAngleFromAToB(center, b);
+		return a2 - a1;
+	});
+
+	console.log(p, polygonClockwiseTest(p));
+
+	return p;
+}
+function polygonArea(verticesArray) {
+	verticesArray.push(verticesArray[0]);
+	var area = 0;
+	for (var i = 0; i < verticesArray.length - 1; i++) {
+		area += (verticesArray[i][0] * verticesArray[i + 1][1]) - (verticesArray[i][1] * verticesArray[i + 1][0]);
+	}
+	area = 0.5 * Math.abs(area);
+	return area;
+}
+function polygonCountSides(verticesArray) {
+	// collapses polygon (ie. finds any three points that are on a straight line and reduces to single line)
+	// returns number of sides/vertices of collapsed polygon
+	var verticesNum = verticesArray.length - 1; // given number of vertices
+	if (verticesNum < 3)
+		return verticesNum;
+	verticesArray.push(verticesArray[0]);
+	verticesArray.push(verticesArray[1]);
+	var verticesCount = 0; // return number of vertices
+	for (var i = 0; i <= verticesNum; i++) {
+		var point1 = verticesArray[i];
+		var point2 = verticesArray[i + 1];
+		var point3 = verticesArray[i + 2];
+		var m1 = (point2[1] - point1[1]) / (point2[0] - point1[0]);
+		var m2 = (point3[1] - point2[1]) / (point3[0] - point2[0]);
+		var error = false;
+		if (point1[0] == point2[0] && point1[1] == point2[1])
+			error = true;
+		if (point1[0] == point3[0] && point1[1] == point3[1])
+			error = true;
+		if (point3[0] == point2[0] && point3[1] == point2[1])
+			error = true;
+		if (m1 !== m2 && error == false)
+			verticesCount++;
+	}
+	verticesArray.splice(-2, 2);
+	logMe("verticesArray:", verticesArray, "polygon");
+	return verticesCount;
+}
+function polygonSelfIntersect(verticesArray) {
+	// vertices array such as [[], [], [], []]
+	verticesArray = clone(verticesArray);
+	verticesArray.push(verticesArray[0]); // duplicate first vertex to last vertex
+	var segmentArray = [];
+	var events = [];
+
+	// create segments array [[x1,y1,x2,y2],[...],...] where x1 <= x2
+	for (var i = 0; i < verticesArray.length - 1; i++) {
+		segmentArray.push([verticesArray[i][0], verticesArray[i][1], verticesArray[i + 1][0], verticesArray[i + 1][1]]);
+
+		// choose left-most end of segment to be 'start'
+		var order;
+		if (verticesArray[i][0] < verticesArray[i + 1][0]) {
+			order = 1;
+		} else if (verticesArray[i][0] > verticesArray[i + 1][0]) {
+			order = 2;
+		} else {
+			if (verticesArray[i][1] < verticesArray[i + 1][1]) {
+				order = 1;
+			} else {
+				order = 2;
+			}
+		}
+
+		if (order == 1) {
+			events.push([verticesArray[i][0], verticesArray[i][1], i, 'start']);
+			events.push([verticesArray[i + 1][0], verticesArray[i + 1][1], i, 'end']);
+		} else {
+			events.push([verticesArray[i][0], verticesArray[i][1], i, 'end']);
+			events.push([verticesArray[i + 1][0], verticesArray[i + 1][1], i, 'start']);
+		}
+	}
+
+	// sort the events by x value
+	events.sort(function (a, b) {
+		return a[0] - b[0]
+	});
+
+	var sweepLine = [];
+
+	for (var j = 0; j < events.length; j++) {
+		if (events[j][3] == 'start') {
+			sweepLine.push([events[j][0], events[j][1], events[j][2]]); // x-value, y-value, lineSegmentId
+			sweepLine.sort(function (a, b) {
+				return a[1] - b[1]
+			}); // sort sweepLine by y-value
+		} else if (events[j][3] == 'end') {
+			// get position in sweepline (pos1) and segment id (seg1)
+			var pos1,
+			seg1;
+			for (var k = 0; k < sweepLine.length; k++) {
+				if (sweepLine[k][2] == events[j][2]) {
+					pos1 = k;
+					seg1 = segmentArray[k];
+					break;
+				}
+			}
+			// if not the lowest line, check for intersection with line below
+			if (pos1 > 0) {
+				var pos2 = sweepLine[pos1 - 1][2];
+				var seg2 = segmentArray[pos2];
+				if (intersects(seg1[0], seg1[1], seg1[2], seg1[3], seg2[0], seg2[1], seg2[2], seg2[3]) == true)
+					return true;
+			}
+			if (pos1 < sweepLine.length - 1) {
+				var pos2 = sweepLine[pos1 + 1][2];
+				var seg2 = segmentArray[pos2];
+				if (intersects(seg1[0], seg1[1], seg1[2], seg1[3], seg2[0], seg2[1], seg2[2], seg2[3]) == true)
+					return true;
+			}
+		}
+	}
+
+	return false;
+}
+function polygonSelfIntersect2(polygon) {
+	var edges = [];
+	for (var i = 0; i < polygon.length; i++)
+		edges.push([polygon[i], polygon[(i + 1) % polygon.length]]);
+	for (var i = 0; i < edges.length - 1; i++) {
+		for (var j = i + 1; j < edges.length; j++) {
+			if (
+				arraysEqual(edges[i][0], edges[j][0]) ||
+				arraysEqual(edges[i][0], edges[j][1]) ||
+				arraysEqual(edges[i][1], edges[j][0]) ||
+				arraysEqual(edges[i][1], edges[j][1])) {
+				continue;
+			}
+			if (intersects(edges[i][0][0], edges[i][0][1], edges[i][1][0], edges[i][1][1], edges[j][0][0], edges[j][0][1], edges[j][1][0], edges[j][1][1]) == true) {
+				return true;
+			}
+		}
+	}
+	return false;
+}
+function findMinPolygon(edgeVertices, lines, point) {
+	var edges = [];
+	var lines2 = [];
+
+	edgeVertices.push(edgeVertices[0].slice());
+	// split edges into smaller vectors according to intersection points with lines
+	for (var i = 0; i < edgeVertices.length - 1; i++) {
+		edges[i] = [{
+				point: edgeVertices[i].slice(0),
+				dist: 0
+			}, {
+				point: edgeVertices[i + 1].slice(0),
+				dist: dist(edgeVertices[i][0], edgeVertices[i][1], edgeVertices[i + 1][0], edgeVertices[i + 1][1])
+			}
+		];
+		for (var j = 0; j < lines.length; j++) {
+			//console.log('edgeVertices:',edgeVertices[i][0],edgeVertices[i][1],edgeVertices[i+1][0],edgeVertices[i+1][1]);
+			//			console.log('lineVertices:',lines[j][0][0],lines[j][0][1],lines[j][1][0],lines[j][1][1]);
+			//			console.log('intersects2:',intersects2(lines[j][0][0],lines[j][0][1],lines[j][1][0],lines[j][1][1],edgeVertices[i][0],edgeVertices[i][1],edgeVertices[i+1][0],edgeVertices[i+1][1]));
+			if (intersects2(lines[j][0][0], lines[j][0][1], lines[j][1][0], lines[j][1][1], edgeVertices[i][0], edgeVertices[i][1], edgeVertices[i + 1][0], edgeVertices[i + 1][1])) {
+
+				var int = intersection(edgeVertices[i][0], edgeVertices[i][1], edgeVertices[i + 1][0], edgeVertices[i + 1][1], lines[j][0][0], lines[j][0][1], lines[j][1][0], lines[j][1][1]);
+
+				// check that the intersection point is not one of the end points of the edge
+				if ((int[0] == edgeVertices[i][0] && int[1] == edgeVertices[i][1]) || (int[0] == edgeVertices[i + 1][0] && int[1] == edgeVertices[i + 1][1])) {
+					//console.log('corner');
+				} else {
+					edges[i].push({
+						point: int,
+						dist: dist(edges[i][0].point[0], edges[i][0].point[1], int[0], int[1])
+					});
+				}
+
+				if (typeof lines2[j] == 'undefined') {
+					lines2[j] = [{
+							point: int.slice(0),
+							dist: 0
+						}
+					];
+				} else {
+					lines2[j].push({
+						point: int.slice(0),
+						dist: dist(int[0], int[1], lines2[j][0].point[0], lines2[j][0].point[1])
+					});
+				}
+
+			}
+		}
+	}
+	for (var i = 0; i < lines.length - 1; i++) {
+		for (var j = i + 1; j < lines.length; j++) {
+			var int = intersection(lines[i][0][0], lines[i][0][1], lines[i][1][0], lines[i][1][1], lines[j][0][0], lines[j][0][1], lines[j][1][0], lines[j][1][1]);
+			if (hitTestPolygon(int, edgeVertices)) {
+				lines2[i].push({
+					point: int.slice(0),
+					dist: dist(int[0], int[1], lines2[i][0].point[0], lines2[i][0].point[1])
+				});
+				lines2[j].push({
+					point: int.slice(0),
+					dist: dist(int[0], int[1], lines2[j][0].point[0], lines2[j][0].point[1])
+				});
+			}
+		}
+	}
+
+	for (var i = 0; i < edges.length; i++) {
+		edges[i].sortOn('dist');
+	}
+	for (var i = 0; i < lines2.length; i++) {
+		lines2[i].sortOn('dist');
+	}
+
+	//console.log('edges:',edges.slice(0));
+	//console.log('lines2:',lines2.slice(0));
+
+	// find duplicate points in lines2 and remove
+	for (var i = 0; i < lines2.length; i++) {
+		for (var j = 1; j < lines2[i].length; ) {
+			if (lines2[i][j - 1].dist == lines2[i][j].dist) {
+				lines2[i].splice(j, 1);
+			} else {
+				j++;
+			}
+		}
+	}
+
+	var vectors = [];
+
+	for (var i = 0; i < edges.length; i++) {
+		for (var j = 0; j < edges[i].length - 1; j++) {
+			vectors.push([edges[i][j].point.slice(0), edges[i][j + 1].point.slice(0)]);
+		}
+	}
+
+	for (var i = 0; i < lines2.length; i++) {
+		for (var j = 0; j < lines2[i].length - 1; j++) {
+			vectors.push([lines2[i][j].point.slice(0), lines2[i][j + 1].point.slice(0)]);
+		}
+	}
+
+	//console.log('vectors:',vectors.slice(0));
+	//console.log('point:',point);
+
+	var minDist = [];
+	// work out whish vector is closest to the point
+	for (var i = 0; i < vectors.length; i++) {
+		minDist[i] = distancePointToLineSegment(point, vectors[i][0], vectors[i][1]);
+	}
+	//console.log('minDist:',minDist);
+
+	// start the polygon vertices array
+	var vertices = [];
+	var currVector = vectors[minDist.indexOf(minDist.min())];
+
+	// put the closest vector vertices into the array
+	if (measureAngle({
+			a: point,
+			b: currVector[0],
+			c: currVector[1]
+		}) < measureAngle({
+			a: point,
+			b: currVector[1],
+			c: currVector[0]
+		})) {
+		vertices.push(currVector[0].slice(0), currVector[1].slice(0));
+	} else {
+		vertices.push(currVector[1].slice(0), currVector[0].slice(0));
+	}
+	vectors.splice(minDist.indexOf(minDist.min()), 1);
+	//console.log('first vertices:',vertices[0],vertices[1]);
+
+	// until the path is completed
+	do {
+		var currPoint = vertices[vertices.length - 1].slice(0);
+		// find all poss vectors from the current point
+		var possVectors = [];
+		var possVectorsAngle = [];
+		var possVectorsIndex = [];
+		for (var i = 0; i < vectors.length; i++) {
+			if (arraysEqual(vectors[i][0], currPoint)) {
+				//console.log('---possVector:',vectors[i].slice(0));
+				possVectors.push(vectors[i].slice(0));
+				possVectorsIndex.push(i);
+				possVectorsAngle.push(measureAngle({
+						a: vertices[vertices.length - 2],
+						b: vertices[vertices.length - 1],
+						c: vectors[i][1]
+					}));
+				//console.log('angle:',measureAngle({a:vertices[vertices.length-2],b:vertices[vertices.length-1],c:vectors[i][1]}));
+			} else if (arraysEqual(vectors[i][1], currPoint)) {
+				//console.log('+++possVector:',[vectors[i][1].slice(0),vectors[i][0].slice(0)]);
+				possVectors.push([vectors[i][1].slice(0), vectors[i][0].slice(0)]);
+				possVectorsIndex.push(i);
+				possVectorsAngle.push(measureAngle({
+						a: vertices[vertices.length - 2],
+						b: vertices[vertices.length - 1],
+						c: vectors[i][0]
+					}));
+				//console.log('angle:',measureAngle({a:vertices[vertices.length-2],b:vertices[vertices.length-1],c:vectors[i][0]}));
+			}
+		}
+		//console.log('possVectors:',possVectors);
+		//console.log('possVectorsAngle:',possVectorsAngle);
+		//console.log('possVectorsIndex:',possVectorsIndex);
+		// chose the vector with the smallest angle
+		var selVectorPos = possVectorsAngle.indexOf(possVectorsAngle.min());
+		vertices.push(possVectors[selVectorPos][1].slice(0));
+		selVectorPos = possVectorsIndex[selVectorPos];
+		vectors.splice(selVectorPos, 1);
+
+		//console.log('vertex:',vertices[vertices.length-1]);
+	} while (arraysEqual(vertices[0], vertices[vertices.length - 1]) == false);
+
+	//console.log('vertices:',vertices);
+
+	return vertices;
+}
+function samePolygons(verticesArray1, verticesArray2) {
+	var a = verticesArray1;
+	var b = verticesArray2;
+	if (a.length !== b.length)
+		return false;
+	for (var i = 0; i < a.length; i++) {
+		var found = false;
+		for (var j = 0; j < b.length; j++) {
+			if (roundToNearest(a[i][0], 0.0001) == roundToNearest(b[j][0], 0.0001) && roundToNearest(a[i][1], 0.0001) == roundToNearest(b[j][1], 0.0001)) {
+				found = true;
+				break;
+			}
+		}
+		if (found == false)
+			return false;
+	}
+	return true;
+}
+function polygonCongruenceTest(p1, p2, mode) { // mode 0 = any congruent shape, 1 = rotations allowed but not reflections, 2 = no rotations or reflectons allowed
+	if (typeof mode == 'undefined')
+		mode = 0
+			if (p1.length !== p2.length)
+				return false;
+			var p1 = clone(p1);
+	var p2 = clone(p2);
+	if (polygonClockwiseTest(p1) == false)
+		p1.reverse();
+	if (polygonClockwiseTest(p2) == false)
+		p2.reverse();
+	if (mode == 2) { // test edge vectors are congruent
+		var vectors1 = [],
+		vectors2 = [];
+		for (var p = 0; p < p1.length; p++) {
+			var b = p1[p];
+			var c = p == p1.length - 1 ? p1[0] : p1[p + 1];
+			vectors1[p] = [c[0] - b[0], c[1] - b[1]];
+			var b = p2[p];
+			var c = p == p2.length - 1 ? p2[0] : p2[p + 1];
+			vectors2[p] = [c[0] - b[0], c[1] - b[1]];
+		}
+		//console.log(vectors1,vectors2);
+
+		for (var p = 0; p < p1.length; p++) {
+			if (arraysEqual(vectors1[0], vectors2[p])) {
+				//console.log(p,vectors1[0],vectors2[p]);
+				var match = true;
+				for (var q = 1; q < p2.length; q++) {
+					var r = (p + q) % p2.length;
+					//console.log(q,vectors1[q],vectors2[r]);
+					if (arraysEqual(vectors1[q], vectors2[r]) == false) {
+						match = false;
+						break;
+					}
+				}
+				if (match == true)
+					return true;
+			}
+		}
+		return false;
+	} else { // test edge lengths and angles are congruent
+		var lengths1 = [],
+		lengths2 = [];
+		var angles1 = [],
+		angles2 = [];
+		for (var p = 0; p < p1.length; p++) {
+			var a = p == 0 ? p1.last() : p1[p - 1];
+			var b = p1[p];
+			var c = p == p1.length - 1 ? p1[0] : p1[p + 1];
+			lengths1[p] = dist(b[0], b[1], c[0], c[1]);
+			angles1[p] = measureAngle({
+					a: a,
+					b: b,
+					c: c
+				});
+		}
+		for (var p = 0; p < p2.length; p++) {
+			var a = p == 0 ? p2.last() : p2[p - 1];
+			var b = p2[p];
+			var c = p == p2.length - 1 ? p2[0] : p2[p + 1];
+			lengths2[p] = dist(b[0], b[1], c[0], c[1]);
+			angles2[p] = measureAngle({
+					a: a,
+					b: b,
+					c: c
+				});
+		}
+
+		for (var p = 0; p < p1.length; p++) {
+			if (Math.abs(lengths1[0] - lengths2[p]) < 0.001 && Math.abs(angles1[0] - angles2[p]) < 0.001) {
+				var match = true;
+				for (var q = 1; q < p2.length; q++) {
+					var r = (p + q) % p2.length;
+					if (Math.abs(lengths1[q] - lengths2[r]) > 0.001 || Math.abs(angles1[q] - angles2[r]) > 0.001) {
+						match = false;
+						break;
+					}
+				}
+				if (match == true)
+					return true;
+				if (mode == 0) { // check for a match in reverse vertices direction ie. a reflection
+					for (var q = 1; q < p2.length; q++) {
+						var r = p - q;
+						if (r < 0)
+							r = p2.length + r;
+						if (Math.abs(lengths1[q] - lengths2[r]) > 0.001 || Math.abs(angles1[q] - angles2[r]) > 0.001) {
+							match = false;
+							break;
+						}
+					}
+					if (match == true)
+						return true;
+				}
+			}
+		}
+		return false;
+	}
+}
+function polygonGetCenter(polygon) {
+	var totals = [0,0];
+	for (var p = 0; p < polygon.length; p++) {
+		totals[0] += polygon[p][0];
+		totals[1] += polygon[p][1];
+		if (polygon[p].length == 3) { 
+			if (un(totals[2])) totals[2] = 0;
+			totals[2] += polygon[p][2];
+		}
+	}
+	for (var t = 0; t < totals.length; t++) {
+		totals[t] /= polygon.length;
+	}
+	return totals;
+}
+
+function lineSegmentsIntersectionTest(line1, line2) {
+	return intersects(line1[0][0], line1[0][1], line1[1][0], line1[1][1], line2[0][0], line2[0][1], line2[1][0], line2[1][1]);
+}
+function linesIntersection(line1, line2) {
+	return intersection(line1[0][0], line1[0][1], line1[1][0], line1[1][1], line2[0][0], line2[0][1], line2[1][0], line2[1][1]);
+}
+function intersects(a, b, c, d, p, q, r, s) {
+	// returns true iff the line segemnt from (a,b)->(c,d) intersects with the line segment from (p,q)->(r,s)
+	var det,
+	gamma,
+	lambda;
+	det = (c - a) * (s - q) - (r - p) * (d - b);
+	if (det === 0) {
+		return false;
+	} else {
+		lambda = ((s - q) * (r - a) + (p - r) * (s - b)) / det;
+		gamma = ((b - d) * (r - a) + (c - a) * (s - b)) / det;
+		return (0 < lambda && lambda < 1) && (0 < gamma && gamma < 1);
+	}
+};
+function intersects2(a, b, c, d, p, q, r, s) {
+	// returns true iff the infinite line though (a,b) & (c,d) intersects with line segment (p,q)->(r,s)
+	var int = intersection(a, b, c, d, p, q, r, s);
+	return isPointOnLineSegment(int, [p, q], [r, s]);
+};
+function intersection(aX, aY, bX, bY, cX, cY, dX, dY) { // finds and returns the intersection point of the lines AB and CD
+	if (aX instanceof Array) {
+		var a = aX, b = aY, c = bX, d = bY;
+		aX = a[0];
+		aY = a[1];
+		bX = b[0];
+		bY = b[1];
+		cX = c[0];
+		cY = c[1];
+		dX = d[0];
+		dY = d[1];
+	}
+	if (aX !== bX && cX !== dX) {
+		var m1 = (bY - aY) / (bX - aX); // gradient of AB;
+		var m2 = (dY - cY) / (dX - cX); // gradient of CD;
+		if (m1 == m2)
+			return 'parallel';
+		var xIntersection = ((aY - aX * m1) - (cY - cX * m2)) / (m2 - m1);
+		var yIntersection = aY + m1 * (xIntersection - aX);
+		return [xIntersection, yIntersection];
+	} else if (aX == bX && cX == dX) {
+		return 'parallel';
+	} else if (aX == bX) {
+		// if AB is vertical
+		var m2 = (dY - cY) / (dX - cX); // gradient of CD;
+		var xIntersection = aX;
+		var yIntersection = cY + m2 * (xIntersection - cX);
+		return [xIntersection, yIntersection];
+	} else if (cX == dX) {
+		// if CD is vertical
+		var m1 = (bY - aY) / (bX - aX); // gradient of AB;
+		var xIntersection = cX;
+		var yIntersection = aY + m1 * (xIntersection - aX);
+		return [xIntersection, yIntersection];
+	}
+}
+function dist(x1, y1, x2, y2) {
+	if (x1 instanceof Array && y1 instanceof Array) return (dist(x1[0],x1[1],y1[0],y1[1]));
+	return Math.pow(Math.pow(x2 - x1, 2) + Math.pow(y2 - y1, 2), 0.5);
+}
+function midpoint(x1, y1, x2, y2) {
+	return [0.5 * (x1 + x2), 0.5 * (y1 + y2)];
+}
+function collapsePath(path) {
+	var path1 = path.slice(0);
+
+	do {
+		var joinFound = false;
+		for (var i = path1.length - 1; i >= 0; i--) {
+			if (joinFound == false) {
+				for (var j = i - 1; j >= 0; j--) {
+					if (path1[i].obj[0].type == path1[j].obj[0].type) {
+						if (path1[i].type == 'pen') {}
+						else if (path1[i].obj[0].type == 'line') {
+							var x1 = path1[i].obj[0].startPos[0];
+							var y1 = path1[i].obj[0].startPos[1];
+							var x2 = path1[i].obj[0].finPos[0];
+							var y2 = path1[i].obj[0].finPos[1];
+							var x3 = path1[j].obj[0].startPos[0];
+							var y3 = path1[j].obj[0].startPos[1];
+							var x4 = path1[j].obj[0].finPos[0];
+							var y4 = path1[j].obj[0].finPos[1];
+							var m1 = (y2 - y1) / (x2 - x1);
+							var m2 = (y4 - y3) / (x4 - x3);
+							if (Math.abs(m1) > Math.abs(m2)) {
+								var mMax = m1;
+								var mMin = m2;
+							} else {
+								var mMax = m2;
+								var mMin = m1;
+							}
+							// if gradients are equal and point from line 1 is on line 2
+							//console.log('grad/grad: ',mMax/mMin);
+							//console.log('pointOnLine: ',isPointOnLine([x1,y1],[x3,y3],[x4,y4],3.5));
+							if (((mMin >= 0 && mMax >= 0) || (mMin < 0 && mMax < 0)) && Math.abs(mMax / mMin) < 1.1 && isPointOnLine([x1, y1], [x3, y3], [x4, y4], 3.5) == true) {
+								// if one of the points is between the two points on the other line
+								if ((x1 >= Math.min(x3, x4) && x1 <= Math.max(x3, x4) && y1 >= Math.min(y3, y4) && y1 <= Math.max(y3, y4)) || (x2 >= Math.min(x3, x4) && x2 <= Math.max(x3, x4) && y2 >= Math.min(y3, y4) && y2 <= Math.max(y3, y4)) || (x3 >= Math.min(x1, x2) && x3 <= Math.max(x1, x2) && y3 >= Math.min(y1, y2) && y3 <= Math.max(y1, y2)) || (x4 >= Math.min(x1, x2) && x4 <= Math.max(x1, x2) && y4 >= Math.min(y1, y2) && y4 <= Math.max(y1, y2))) {
+									var xMin = Math.min(x1, x2, x3, x4);
+									var xMax = Math.max(x1, x2, x3, x4);
+									if (xMin == x1)
+										var yMin = y1;
+									if (xMin == x2)
+										var yMin = y2;
+									if (xMin == x3)
+										var yMin = y3;
+									if (xMin == x4)
+										var yMin = y4;
+									if (xMax == x1)
+										var yMax = y1;
+									if (xMax == x2)
+										var yMax = y2;
+									if (xMax == x3)
+										var yMax = y3;
+									if (xMax == x4)
+										var yMax = y4;
+									joinFound = true;
+									path1[i].startPos = [xMin, yMin];
+									path1[i].finPos = [xMax, yMax];
+									path1.splice(j, 1);
+									break;
+								}
+							}
+						} else if (path1[i].obj[0].type == 'arc') {
+							if (Math.abs(path1[i].obj[0].center[0] - path1[j].obj[0].center[0]) < 2 && Math.abs(path1[i].obj[0].center[1] - path1[j].obj[0].center[1]) < 2 && Math.abs(path1[i].obj[0].radius - path1[j].obj[0].radius) < 2) {
+								if ((path1[i].obj[0].startAngle >= path1[j].obj[0].startAngle && path1[i].obj[0].startAngle <= path1[j].obj[0].finAngle) ||
+									/* if min angle of first is between min & max angle of second*/
+									(path1[i].obj[0].finAngle >= path1[j].obj[0].startAngle && path1[i].obj[0].finAngle <= path1[j].obj[0].finAngle) ||
+									/* if max angle of first is between min & max angle of second*/
+									(path1[j].obj[0].startAngle >= path1[i].obj[0].startAngle && path1[j].obj[0].startAngle <= path1[i].obj[0].finAngle) ||
+									/* if min angle of second is between min & max angle of first*/
+									(path1[j].obj[0].finAngle >= path1[i].obj[0].startAngle && path1[j].obj[0].finAngle <= path1[i].obj[0].finAngle) ||
+									/* if max angle of second is between min & max angle of first*/
+									(path1[i].obj[0].startAngle <= path1[j].obj[0].startAngle && path1[i].obj[0].finAngle >= path1[j].obj[0].finAngle) ||
+									/* if second is contained within first*/
+									(path1[j].obj[0].startAngle <= path1[i].obj[0].startAngle && path1[j].obj[0].finAngle >= path1[i].obj[0].finAngle))
+									/* if first is contained within second*/
+								{
+									joinFound = true;
+									path1[i].obj[0].startAngle = Math.min(path1[i].obj[0].startAngle, path1[j].obj[0].startAngle);
+									path1[i].obj[0].finAngle = Math.max(path1[i].obj[0].finAngle, path1[j].obj[0].finAngle);
+									path1.splice(j, 1);
+									break;
+								}
+							}
+						}
+					}
+				}
+			}
+		}
+	} while (joinFound == true);
+
+	return path1;
+}
+function getIntersectionPoints(path) {
+	// currently only handles line/line, line/arc and arc/arc intersections
+	var intPoints = [];
+	for (var i = 0; i < path.length; i++) {
+		if (typeof path[i].obj == 'undefined')
+			continue;
+		for (var j = 0; j < path[i].obj.length; j++) {
+			var obj1 = path[i].obj[j];
+			if (obj1.drawing == true)
+				continue;
+			for (var k = i; k < path.length; k++) {
+				for (var l = 0; l < path[k].obj.length; l++) {
+					if (i == k && j == l)
+						continue;
+					var obj2 = path[k].obj[l];
+					if (obj2.drawing == true)
+						continue;
+					if (obj1.type == 'line' && obj2.type == 'line') {
+						var int = intersection(obj1.startPos[0], obj1.startPos[1], obj1.finPos[0], obj1.finPos[1], obj2.startPos[0], obj2.startPos[1], obj2.finPos[0], obj2.finPos[1]);
+						if (isPointOnLineSegment(int, obj1.startPos, obj1.finPos) == true)
+							intPoints.push(int);
+					} else if (obj1.type == 'line' && obj2.type == 'arc') {
+						var int = lineCircleIntersections(obj1.startPos, obj1.finPos, obj2.center, obj2.radius);
+						for (var m = 0; m < int.length; m++) {
+							if (isPointOnLineSegment(int[m], obj1.startPos, obj1.finPos) == true && isAngleInPath(obj2, obj2.center, obj2.radius, int[m][2], 1) == true)
+								intPoints.push(int[m]);
+						}
+					} else if (obj1.type == 'arc' && obj2.type == 'line') {
+						var int = lineCircleIntersections(obj2.startPos, obj2.finPos, obj1.center, obj1.radius);
+						for (var m = 0; m < int.length; m++) {
+							if (isPointOnLineSegment(int[m], obj2.startPos, obj2.finPos) == true && isAngleInPath(obj1, obj1.center, obj1.radius, int[m][2], 1) == true)
+								intPoints.push(int[m]);
+						}
+					} else if (obj1.type == 'arc' && obj2.type == 'arc') {
+						var int = circleIntersections(obj1.center[0], obj1.center[1], obj1.radius, obj2.center[0], obj2.center[1], obj2.radius);
+						for (var m = 0; m < int.length; m++) {
+							var a = isPointOnArc(int[m], obj1);
+							var b = isPointOnArc(int[m], obj2);
+							if (a == true && b == true)
+								intPoints.push(int[m]);
+						}
+					}
+				}
+			}
+		}
+	}
+	return intPoints;
+}
+function getEndPoints(path) {
+	// currently only handles pen, line and arc paths
+	var endPoints = [];
+	for (var i = 0; i < path.length; i++) {
+		if (typeof path[i].obj == 'undefined')
+			continue;
+		for (var j = 0; j < path[i].obj.length; j++) {
+			if (path[i].obj[j].drawing == true)
+				continue;
+			switch (path[i].obj[j].type) {
+			case 'line':
+				endPoints.push(path[i].obj[j].startPos, path[i].obj[j].finPos);
+				break;
+			case 'arc':
+				var arcEnds = getEndPointsOfArc(path[i].obj[j]);
+				for (var k = 0; k < arcEnds.length; k++) {
+					endPoints.push(arcEnds[k]);
+				}
+				break;
+			}
+		}
+	}
+	return endPoints;
+}
+function isAngleInPath(arcPath, center, radius, angle, tolerance) {
+	if (dist(arcPath.center[0], arcPath.center[1], center[0], center[1]) > tolerance)
+		return false;
+	if (Math.abs(arcPath.radius - radius) > tolerance)
+		return false;
+	var startAngle = arcPath.startAngle;
+	var finAngle = arcPath.finAngle;
+	if (arcPath.clockwise == true) {
+		if (startAngle < angle && finAngle > angle)
+			return true;
+		if (startAngle + 2 * Math.PI < angle && finAngle + 2 * Math.PI > angle)
+			return true;
+		if (startAngle - 2 * Math.PI < angle && finAngle - 2 * Math.PI > angle)
+			return true;
+	} else {
+		if (startAngle < finAngle)
+			startAngle += 2 * Math.PI;
+		if (startAngle > angle && finAngle < angle)
+			return true;
+		if (startAngle + 2 * Math.PI > angle && finAngle + 2 * Math.PI < angle)
+			return true;
+		if (startAngle - 2 * Math.PI > angle && finAngle - 2 * Math.PI < angle)
+			return true;
+	}
+	return false;
+}
+function doesArcIncludeAngle(arc, angle) {
+	while (angle < 0) {
+		angle += 2 * Math.PI;
+	}
+	angle = angle % (2 * Math.PI);
+	if (arc.clockwise == false) {
+		if (arc.finAngle > arc.startAngle) {
+			if (angle <= arc.startAngle || angle >= arc.finAngle)
+				return true;
+		} else {
+			if (angle >= arc.finAngle && angle <= arc.startAngle)
+				return true;
+		}
+	} else {
+		if (arc.finAngle > arc.startAngle) {
+			if (angle >= arc.startAngle || angle <= arc.finAngle)
+				return true;
+		} else {
+			if (angle <= arc.finAngle && angle >= arc.startAngle)
+				return true;
+		}
+	}
+	return false;
+}
+function distancePointToPath(point, path) {
+	if (path.length > 1) {
+		var closestDist = distancePointToLineSegment(point, path[0], path[1]);
+		for (var i = 1; i < path.length - 1; i++) {
+			closestDist = Math.min(closestDist, distancePointToLineSegment(point, path[i], path[i + 1]));
+		}
+		return closestDist;
+	} else if (path.length == 1) {
+		return dist(point[0], point[1], path[0][0], path[0][1]);
+	} else {
+		return 100000000000;
+	}
+
+}
+function isPointOnLine(point, linePos1, linePos2, tolerance) {
+	if (un(tolerance))
+		tolerance = 0.001;
+	var closestPos = closestPointOnLine(point, linePos1, linePos2);
+	var distance = dist(closestPos[0], closestPos[1], point[0], point[1]);
+	if (distance <= tolerance)
+		return true;
+	return false;
+}
+function closestPointOnLine(point, linePos1, linePos2) {
+	var dirVector = [linePos2[0] - linePos1[0], linePos2[1] - linePos1[1]];
+	var lambda = ((point[0] - linePos1[0]) * dirVector[0] + (point[1] - linePos1[1]) * dirVector[1]) / (Math.pow(dirVector[0], 2) + Math.pow(dirVector[1], 2));
+	return [linePos1[0] + lambda * dirVector[0], linePos1[1] + lambda * dirVector[1]];
+}
+function distancePointToLine(point, linePos1, linePos2) {
+	var closest = closestPointOnLine(point, linePos1, linePos2);
+	return dist(point[0], point[1], closest[0], closest[1]);
+}
+function closestPointOnLineSegment(point, linePos1, linePos2) {
+	var dirVector = [linePos2[0] - linePos1[0], linePos2[1] - linePos1[1]];
+	var lambda = ((point[0] - linePos1[0]) * dirVector[0] + (point[1] - linePos1[1]) * dirVector[1]) / (Math.pow(dirVector[0], 2) + Math.pow(dirVector[1], 2));
+	if (lambda <= 0) {
+		return linePos1;
+	} else if (lambda >= 1) {
+		return linePos2;
+	} else {
+		return [linePos1[0] + lambda * dirVector[0], linePos1[1] + lambda * dirVector[1]];
+	}
+}
+function distancePointToLineSegment(point, linePos1, linePos2) {
+	var closest = closestPointOnLineSegment(point, linePos1, linePos2);
+	return dist(point[0], point[1], closest[0], closest[1]);
+}
+function checkPathForLine(path, x1, y1, isEnd1, x2, y2, isEnd2, tolerance) {
+	for (var i = 0; i < path.length; i++) {
+		for (var k = 0; k < path[i].obj.length; k++) {
+			if (path[i].obj[k].type == 'line' && lineCheck(x1, y1, isEnd1, x2, y2, isEnd2, tolerance, path[i].obj[k].startPos[0], path[i].obj[k].startPos[1], path[i].obj[k].finPos[0], path[i].obj[k].finPos[1]) == true)
+				return true;
+		}
+	}
+	return false;
+}
+function isPointOnLineSegment(point, linePos1, linePos2, tolerance) {
+	if (un(tolerance)) tolerance = 0.001;
+	return distancePointToLineSegment(point, linePos1, linePos2) < tolerance;
+}
+/*function isPointOnLineSegment(point,linePos1,linePos2) {
+var dirVector = [linePos2[0]-linePos1[0],linePos2[1]-linePos1[1]];
+var lambda = ((point[0]-linePos1[0])*dirVector[0]+(point[1]-linePos1[1])*dirVector[1])/(Math.pow(dirVector[0],2)+Math.pow(dirVector[1],2));
+if (lambda >= 0 && lambda <= 1) {
+return true;
+} else {
+return false;
+}
+}*/
+function isPointInSector(point, dims) {
+	if (dist(point[0], point[1], dims[0], dims[1]) > dims[2])
+		return false;
+	var a1 = dims[3];
+	var a2 = getAngleTwoPoints([dims[0], dims[1]], point);
+	var a3 = dims[4];
+	return anglesInOrder(a1, a2, a3);
+}
+
+function sameLine(line1, line2) {
+	return (isPointOnLine(line1[0], line2[0], line2[1], 0) && isPointOnLine(line1[1], line2[0], line2[1], 0));
+}
+
+function lineCheck(x1, y1, isEnd1, x2, y2, isEnd2, tolerance, xTest1, yTest1, xTest2, yTest2) {
+	//console.log(x1,y1,isEnd1,x2,y2,isEnd2,tolerance,xTest1,yTest1,xTest2,yTest2);
+	// if points should be ends of the line, test if they are
+	if (isEnd1 == true && dist(x1, y1, xTest1, yTest1) > tolerance && dist(x1, y1, xTest2, yTest2) > tolerance) {
+		return false;
+	}
+	if (isEnd2 == true && dist(x2, y2, xTest1, yTest1) > tolerance && dist(x2, y2, xTest2, yTest2) > tolerance) {
+		return false;
+	}
+	// test if the points are on the line, with the given tolerance
+	if (isPointOnLine([x1, y1], [xTest1, yTest1], [xTest2, yTest2], tolerance) == false || isPointOnLine([x2, y2], [xTest1, yTest1], [xTest2, yTest2], tolerance) == false) {
+		return false;
+	}
+	// test if the line has been drawn far enough
+	var mag = dist(x1, y1, x2, y2);
+	var minPos1 = [x1 + 2 * tolerance / mag * (x2 - x1), y1 + 2 * tolerance / mag * (y2 - y1)];
+	var minPos2 = [x2 + 2 * tolerance / mag * (x1 - x2), y2 + 2 * tolerance / mag * (y1 - y2)];
+
+	/*
+	console.log('pos1:'+x1+','+y1);
+	console.log('pos2:'+x2+','+y2);
+	console.log('minPos1:'+minPos1[0]+','+minPos1[1]);
+	console.log('minPos2:'+minPos2[0]+','+minPos2[1]);
+	console.log('testPos1:'+xTest1+','+yTest1);
+	console.log('testPos2:'+xTest2+','+yTest2);
+	console.log('dist to min pos, dist to actual pos:');
+	console.log('pos1,testPos1:',dist(minPos1[0],minPos1[1],xTest1,yTest1),dist(x1,y1,xTest1,yTest1),dist(minPos1[0],minPos1[1],xTest1,yTest1)>dist(x1,y1,xTest1,yTest1));
+	console.log('pos2,testPos2:',dist(minPos2[0],minPos2[1],xTest2,yTest2),dist(x2,y2,xTest2,yTest2),dist(minPos2[0],minPos2[1],xTest2,yTest2)>dist(x2,y2,xTest2,yTest2));
+	console.log('pos1,testPos2:',dist(minPos1[0],minPos1[1],xTest2,yTest2),dist(x1,y1,xTest2,yTest2),dist(minPos1[0],minPos1[1],xTest2,yTest2)>dist(x1,y1,xTest2,yTest2));
+	console.log('pos2,testPos1:',dist(minPos2[0],minPos2[1],xTest1,yTest1),dist(x2,y2,xTest1,yTest1),dist(minPos2[0],minPos2[1],xTest1,yTest1)>dist(x2,y2,xTest1,yTest1));
+	//*/
+
+	// if both points are closer to minPos than to either of the actual points
+	if ((dist(minPos1[0], minPos1[1], xTest1, yTest1) > dist(x1, y1, xTest1, yTest1)
+			 && dist(minPos1[0], minPos1[1], xTest2, yTest2) > dist(x1, y1, xTest2, yTest2))
+
+		 || (dist(minPos2[0], minPos2[1], xTest1, yTest1) > dist(x2, y2, xTest1, yTest1)
+			 && dist(minPos2[0], minPos2[1], xTest2, yTest2) > dist(x2, y2, xTest2, yTest2))) {
+		return false;
+	}
+	return true;
+}
+function getAngleTwoPoints(pos1, pos2) { // returns the angle in rad from pos1 to pos2
+	var m = (pos2[1] - pos1[1]) / (pos2[0] - pos1[0]);
+	var a = Math.atan(m);
+	if (pos1[1] == pos2[1]) { // horizontal
+		if (pos1[0] < pos2[0]) {
+			return 0;
+		} else {
+			return Math.PI;
+		}
+	}
+	if (pos1[0] == pos2[0]) { // vertical
+		if (pos1[1] < pos2[1]) {
+			return Math.PI / 2;
+		} else {
+			return 3 * Math.PI / 2;
+		}
+	}
+	if (m > 0) {
+		if (pos2[0] > pos1[0]) {
+			return a;
+		} else {
+			return a + Math.PI;
+		}
+	} else {
+		if (pos2[0] > pos1[0]) {
+			return a;
+		} else {
+			return a + Math.PI;
+		}
+	}
+}
+function interpolateTwoPoints(pos1, pos2, proportion) {
+	if (typeof proportion == 'undefined')
+		proportion = 0.5;
+	return [pos1[0] + proportion * (pos2[0] - pos1[0]), pos1[1] + proportion * (pos2[1] - pos1[1])];
+}
+function angleToPos(angle, centerX, centerY, radius, opt_angleType) {
+	if (opt_angleType == 'degrees')
+		angle = angle * Math.PI / 180;
+	return [centerX + Math.cos(angle) * radius, centerY - Math.sin(angle) * radius];
+}
+function posToAngle(posX, posY, centerX, centerY, radius) {
+	if (un(radius))
+		radius = dist(posX, posY, centerX, centerY);
+	var cosTheta = (posX - centerX) / radius;
+	var sinTheta = (posY - centerY) / radius;
+	if (sinTheta >= 0)
+		return Math.acos(cosTheta);
+	if (sinTheta < 0)
+		return 2 * Math.PI - Math.acos(cosTheta);
+}
+function extendLine(pos1, pos2, extLength) {
+	var m = (pos2[1] - pos1[1]) / (pos2[0] - pos1[0]);
+	var angle = Math.atan(m);
+	if (pos1[1] == pos2[1]) { // horizontal
+		if (pos1[0] < pos2[0]) {
+			return [pos2[0] + extLength, pos2[1]];
+		} else {
+			return [pos2[0] - extLength, pos2[1]];
+		}
+	}
+	if (pos1[0] == pos2[0]) { // vertical
+		if (pos1[1] < pos2[1]) {
+			return [pos2[0], pos2[1] + extLength];
+		} else {
+			return [pos2[0], pos2[1] - extLength];
+		}
+	}
+	if (m > 0) {
+		if (pos2[0] >= pos1[0]) {
+			return ([pos2[0] + extLength * Math.cos(angle), pos2[1] + extLength * Math.sin(angle)]);
+		} else {
+			return ([pos2[0] - extLength * Math.cos(angle), pos2[1] - extLength * Math.sin(angle)]);
+		}
+	} else {
+		if (pos2[0] <= pos1[0]) {
+			return ([pos2[0] - extLength * Math.cos(angle), pos2[1] - extLength * Math.sin(angle)]);
+		} else {
+			return ([pos2[0] + extLength * Math.cos(angle), pos2[1] + extLength * Math.sin(angle)]);
+		}
+	}
+}
+
+function isPointOnEllipse(point, center, radiusX, radiusY, tolerance) {
+	if (typeof tolerance == 'undefined') {
+		if (roundToNearest(Math.pow((point[0] - center[0]) / radiusX, 2) + Math.pow((point[1] - center[1]) / radiusY, 2), 0.0001) == 1) {
+			return true;
+		} else {
+			return false;
+		}
+	} else {
+		var max = Math.pow((point[0] - center[0]) / (radiusX + tolerance), 2) + Math.pow((point[1] - center[1]) / (radiusY + tolerance), 2);
+		var min = Math.pow((point[0] - center[0]) / (radiusX - tolerance), 2) + Math.pow((point[1] - center[1]) / (radiusY - tolerance), 2);
+		if (Math.max(min, max) >= 1 && Math.min(min, max) <= 1) {
+			return true;
+		} else {
+			return false;
+		}
+	}
+}
+function isPointInEllipse(point, center, radiusX, radiusY) {
+	if (roundToNearest(Math.pow((point[0] - center[0]) / radiusX, 2) + Math.pow((point[1] - center[1]) / radiusY, 2), 0.0001) <= 1) {
+		return true;
+	} else {
+		return false;
+	}
+}
+function isPointInRect(point, left, top, width, height) {
+	if (point[0] >= left && point[0] <= left + width && point[1] >= top && point[1] <= top + height) {
+		return true;
+	} else {
+		return false;
+	}
+}
+function distPointToRect(point, left, top, width, height) {
+	if (isPointInRect(point, left, top, width, height) == true)
+		return 0;
+	return Math.min(
+		distancePointToLineSegment(point, [left, top], [left + width, top]),
+		distancePointToLineSegment(point, [left + width, top], [left + width, top + height]),
+		distancePointToLineSegment(point, [left + width, top + height], [left, top + height]),
+		distancePointToLineSegment(point, [left, top + height], [left + width, top]))
+}
+function lineCircleIntersections(linePoint1, linePoint2, circleCenter, circleRadius) {
+	var a = linePoint1[0];
+	var b = linePoint1[1];
+	var c = linePoint2[0];
+	var d = linePoint2[1];
+	var p = circleCenter[0];
+	var q = circleCenter[1];
+	var r = circleRadius;
+
+	var m = (d - b) / (c - a);
+	var s = m * m + 1;
+	var t = -2 * p + 2 * m * (-m * a + b - q);
+	var u = p * p + (-m * a + b - q) * (-m * a + b - q) - r * r;
+	var discrim = t * t - 4 * s * u;
+	if (discrim < 0) {
+		return [];
+	} else if (discrim == 0) {
+		var x = (-t + Math.sqrt(discrim)) / (2 * s);
+		var y = m * (x - a) + b;
+		if (x >= p) {
+			if (y >= q) {
+				var angle = Math.atan((y - q) / (x - p));
+			} else {
+				var angle = 2 * Math.PI + Math.atan((y - q) / (x - p));
+			}
+		} else {
+			var angle = Math.PI + Math.atan((y - q) / (x - p));
+		}
+		return [[x, y, angle]];
+	} else {
+		var x1 = (-t + Math.sqrt(discrim)) / (2 * s);
+		var y1 = m * (x1 - a) + b;
+		if (x1 >= p) {
+			if (y1 >= q) {
+				var angle1 = Math.atan((y1 - q) / (x1 - p));
+			} else {
+				var angle1 = 2 * Math.PI + Math.atan((y1 - q) / (x1 - p));
+			}
+		} else {
+			var angle1 = Math.PI + Math.atan((y1 - q) / (x1 - p));
+		}
+		var x2 = (-t - Math.sqrt(discrim)) / (2 * s);
+		var y2 = m * (x2 - a) + b;
+		if (x2 >= p) {
+			if (y2 >= q) {
+				var angle2 = Math.atan((y2 - q) / (x2 - p));
+			} else {
+				var angle2 = 2 * Math.PI + Math.atan((y2 - q) / (x2 - p));
+			}
+		} else {
+			var angle2 = Math.PI + Math.atan((y2 - q) / (x2 - p));
+		}
+		return [[x1, y1, angle1], [x2, y2, angle2]];
+	}
+}
+function circleIntersections(x0, y0, r0, x1, y1, r1) {
+	var a,
+	dx,
+	dy,
+	d,
+	h,
+	rx,
+	ry;
+	var x2,
+	y2;
+	/* dx and dy are the vertical and horizontal distances between the circle centers. */
+	dx = x1 - x0;
+	dy = y1 - y0;
+	/* Determine the straight-line distance between the centers. */
+	d = Math.sqrt((dy * dy) + (dx * dx));
+	/* Check for solvability. */
+	if (d > (r0 + r1)) {
+		/* no solution. circles do not intersect. */
+		return [];
+	}
+	if (d < Math.abs(r0 - r1)) {
+		/* no solution. one circle is contained in the other */
+		return [];
+	}
+	/* 'point 2' is the point where the line through the circle intersection points crosses the line between the circle centers. */
+	/* Determine the distance from point 0 to point 2. */
+	a = ((r0 * r0) - (r1 * r1) + (d * d)) / (2 * d);
+	/* Determine the coordinates of point 2. */
+	x2 = x0 + (dx * a / d);
+	y2 = y0 + (dy * a / d);
+	/* Determine the distance from point 2 to either of the intersection points. */
+	h = Math.sqrt((r0 * r0) - (a * a));
+	/* Now determine the offsets of the intersection points from point 2. */
+	rx = -dy * (h / d);
+	ry = dx * (h / d);
+	/* Determine the absolute intersection points. */
+	var xi = x2 + rx;
+	var xii = x2 - rx;
+	var yi = y2 + ry;
+	var yii = y2 - ry;
+	return [[xi, yi], [xii, yii]];
+}
+function isPointOnArc(point, arcPath, tolerance) {
+	if (!tolerance)
+		tolerance = 0.00001;
+	var rad = dist(point[0], point[1], arcPath.center[0], arcPath.center[1]);
+	if (rad < arcPath.radius - tolerance || rad > arcPath.radius + tolerance)
+		return false;
+	if (Math.abs(arcPath.startAngle - arcPath.finAngle) + 0.00001 >= 2 * Math.PI)
+		return true;
+	var angle = getAngleFromAToB(arcPath.center, point);
+	var angle1 = simplifyAngle(arcPath.startAngle);
+	var angle2 = simplifyAngle(arcPath.finAngle);
+	var a = arcPath.clockwise;
+	var b = angle1 < angle2;
+	var c = angle >= angle1 && angle <= angle2;
+	/*
+	if (a && b && c) return true;
+	if (a && b && !c) return false;
+	if (a && !b && c) return true;
+	if (a && !b && !c) return false;
+	if (!a && b && c) return false;
+	if (!a && b && !c) return true;
+	if (!a && !b && c) return false;
+	if (!a && !b && !c) return true;
+	/*/
+	if (a == true) {
+		if (b == true) {
+			if (c == true) {
+				return true;
+			} else {
+				return false;
+			}
+		} else {
+			if (c == true) {
+				return true;
+			} else {
+				return false;
+			}
+		}
+	} else {
+		if (b == true) {
+			if (c == true) {
+				return false;
+			} else {
+				return true;
+			}
+		} else {
+			if (c == true) {
+				return false;
+			} else {
+				return true;
+			}
+		}
+	}
+	//*/
+}
+
+function simplifyAngle(angle) {
+	while (angle < 0) {
+		angle += (2 * Math.PI)
+	};
+	angle = angle % (2 * Math.PI);
+	return angle;
+}
+function getAngleFromAToB(a, b) {
+	// angle as measured anticlockwise from positive x-direction (upside down on canvas) - A is in the centre
+	var angle = Math.atan((b[1] - a[1]) / (b[0] - a[0]));
+	if (b[0] >= a[0] && b[1] >= a[1])
+		return angle;
+	if (b[0] >= a[0] && b[1] < a[1])
+		return angle + 2 * Math.PI;
+	if (b[0] < a[0])
+		return angle + Math.PI;
+}
+function getEndPointsOfArc(arcPath) {
+	// if closed circle, return empty
+	if (Math.abs(arcPath.startAngle - arcPath.finAngle) % (2 * Math.PI) == 0)
+		return [];
+	return [
+		[arcPath.center[0] + arcPath.radius * Math.cos(arcPath.startAngle), arcPath.center[1] + arcPath.radius * Math.sin(arcPath.startAngle)],
+		[arcPath.center[0] + arcPath.radius * Math.cos(arcPath.finAngle), arcPath.center[1] + arcPath.radius * Math.sin(arcPath.finAngle)]
+	]
+}
+function vectorFromAToB(a, b) {
+	return [b[0] - a[0], b[1] - a[1]];
+}
+
+function snapToPoints(point, snapPoints, tolerance) {
+	var minDist = [];
+	for (var i = 0; i < snapPoints.length; i++) {
+		minDist.push(dist(point[0], point[1], snapPoints[i][0], snapPoints[i][1]));
+	}
+	if (arrayMin(minDist) < tolerance) {
+		return snapPoints[minDist.indexOf(arrayMin(minDist))].slice(0);
+	} else {
+		return point.slice(0);
+	}
+}
+function snapToGrid(point, snapGrid) {
+	//snapGrid should contain: {left,top,width,height,dx,dy}
+}
+
+function getBezierPoints(p1, p2, p3, density) {
+	if (!density)
+		density = 10;
+	var length = quadraticBezierLength(p1, p2, p3);
+	var points = [p1];
+	for (var i = density; i < length; i += density) {
+		points.push(getQuadraticCurvePoint(p1[0], p1[1], p2[0], p2[1], p3[0], p3[1], i / length));
+	}
+	points.push(p3);
+	return points;
+}
+function getQBezierValue(t, p1, p2, p3) { // called by getQuadraticCurvePoint, src: http://jsfiddle.net/QA6VG/
+	var iT = 1 - t;
+	return iT * iT * p1 + 2 * iT * t * p2 + t * t * p3;
+}
+function getQuadraticCurvePoint(startX, startY, cpX, cpY, endX, endY, position) { // called by getBezierPoints, src: http://jsfiddle.net/QA6VG/
+	return [getQBezierValue(position, startX, cpX, endX), getQBezierValue(position, startY, cpY, endY)];
+}
+function quadraticBezierLength(p0, p1, p2) { // called by getBezierPoints, src: https://gist.github.com/tunght13488/6744e77c242cc7a94859
+	function Point(x, y) {
+		this.x = x;
+		this.y = y;
+	}
+	var a = new Point(
+			p0[0] - 2 * p1[0] + p2[0],
+			p0[1] - 2 * p1[1] + p2[1]);
+	var b = new Point(
+			2 * p1[0] - 2 * p0[0],
+			2 * p1[1] - 2 * p0[1]);
+	var A = 4 * (a.x * a.x + a.y * a.y);
+	var B = 4 * (a.x * b.x + a.y * b.y);
+	var C = b.x * b.x + b.y * b.y;
+
+	var Sabc = 2 * Math.sqrt(A + B + C);
+	var A_2 = Math.sqrt(A);
+	var A_32 = 2 * A * A_2;
+	var C_2 = 2 * Math.sqrt(C);
+	var BA = B / A_2;
+
+	return (A_32 * Sabc + A_2 * B * (Sabc - C_2) + (4 * C * A - B * B) * Math.log((2 * A_2 + BA + Sabc) / (BA + C_2))) / (4 * A_32);
+}
+
+function drawTextBox(canvas, canvasctx, canvasData, backgroundColor, borderColor, borderWidth, font, textColor, textAlign, textLine1, textLine2) {
+	var polygon = false;
+	if (typeof canvasData[41] !== 'undefined')
+		polygon = true;
+	canvasctx.clearRect(0, 0, canvasData[2], canvasData[3]);
+	canvasctx.fillStyle = backgroundColor;
+	canvasctx.strokeStyle = borderColor;
+	canvasctx.lineWidth = borderWidth;
+	if (polygon == true) {
+		canvasctx.beginPath();
+		canvasctx.moveTo(canvasData[41][0][0], canvasData[41][0][1]);
+		for (j = 0; j < canvasData[41].length; j++) {
+			if (j > 0)
+				canvasctx.lineTo(canvasData[41][j][0], canvasData[41][j][1]);
+		}
+		canvasctx.closePath();
+		canvasctx.fill();
+		canvasctx.stroke();
+	} else {
+		if (backgroundColor !== '')
+			canvasctx.fillRect(0, 0, canvasData[2], canvasData[3]);
+		if (borderColor !== '')
+			canvasctx.strokeRect(0, 0, canvasData[2], canvasData[3]);
+	}
+	canvasctx.font = font;
+	canvasctx.fillStyle = textColor;
+	canvasctx.textAlign = textAlign;
+	canvasctx.textBaseline = "middle";
+	if (!textLine2) {
+		canvasctx.fillText(textLine1, 0.5 * canvasData[2], 0.5 * canvasData[3]);
+	} else {
+		canvasctx.fillText(textLine1, 0.5 * canvasData[2], 0.3 * canvasData[3]);
+		canvasctx.fillText(textLine2, 0.5 * canvasData[2], 0.7 * canvasData[3]);
+	}
+}
+function drawMathsTextBox(canvasctx, canvasData, textArray, object) {
+	// optional object can contain: backColor, algText, fontSize, borderColor, borderWidth, textColor, textAlign
+	if (!object) {
+		var fontSize = 0.45 * canvasData[3];
+		var horizAlign = 'center';
+		var algText = true;
+		var textColor = '#000';
+		var backgroundColor = '#6F9';
+		var borderColor = '#000';
+		var borderWidth = 4;
+	} else {
+		var fontSize = object.fontSize || 0.45 * canvasData[3];
+		var horizAlign = object.textAlign || 'center';
+		var algText = true;
+		if (typeof object.algText == 'boolean')
+			algText = object.algText;
+		var textColor = object.textColor || '#000';
+		var backgroundColor = object.backColor || '#6F9';
+		var borderColor = object.borderColor || '#000';
+		var borderWidth = object.borderWidth || 4;
+	}
+	var horizPos = 0.5 * canvasData[2];
+	if (horizAlign == 'left')
+		horizPos = 5;
+	if (horizAlign == 'right')
+		horizPos = canvasData[2] - 5;
+	canvasctx.clearRect(0, 0, canvasData[2], canvasData[3]);
+	canvasctx.fillStyle = backgroundColor;
+	canvasctx.strokeStyle = borderColor;
+	canvasctx.lineWidth = borderWidth;
+	canvasctx.fillRect(0, 0, canvasData[2], canvasData[3]);
+	canvasctx.strokeRect(borderWidth * 0.5, borderWidth * 0.5, canvasData[2] - borderWidth, canvasData[3] - borderWidth);
+	drawMathsText(canvasctx, textArray, fontSize, horizPos, 0.47 * canvasData[3], algText, [], horizAlign, 'middle', textColor, 'draw');
+}
+function wrapText(context, text, x, y, maxWidth, lineHeight, font, fillStyle) {
+	context.font = font;
+	context.fillStyle = fillStyle;
+	var words = text.split(' ');
+	var line = '';
+	for (var n = 0; n < words.length; n++) {
+		var testLine = line + words[n] + ' ';
+		var metrics = context.measureText(testLine);
+		var testWidth = metrics.width;
+		if (testWidth > maxWidth && n > 0) {
+			context.fillText(line, x, y);
+			line = words[n] + ' ';
+			y += lineHeight;
+		} else {
+			line = testLine;
+		}
+	}
+	context.fillText(line, x, y);
+}
+function drawFrac(context, font, x, y, horizAlign, numerator, denominator) {
+	context.save();
+	context.font = font;
+	var fractionWidth = Math.max(context.measureText(numerator).width, context.measureText(denominator).width);
+	context.textAlign = 'center';
+	context.textBaseline = 'bottom';
+	switch (horizAlign) {
+	case 'right':
+		context.fillText(numerator, x - 2 - 0.5 * fractionWidth, y - 5);
+		context.textBaseline = 'top';
+		context.fillText(denominator, x - 2 - 0.5 * fractionWidth, y + 5);
+		context.strokeStyle = textColor;
+		context.lineWidth = 3;
+		context.moveTo(x - 4 - fractionWidth, y);
+		context.lineTo(x, y);
+		break;
+	case 'center':
+		context.fillText(numerator, x, y - 5);
+		context.textBaseline = 'top';
+		context.fillText(denominator, x, y + 5);
+		context.strokeStyle = textColor;
+		context.lineWidth = 3;
+		context.moveTo(x - 2 - 0.5 * fractionWidth, y);
+		context.lineTo(x + 2 + 0.5 * fractionWidth, y);
+		break;
+	default:
+		context.fillText(numerator, x + 2 + 0.5 * fractionWidth, y - 5);
+		context.textBaseline = 'top';
+		context.fillText(denominator, x + 2 + 0.5 * fractionWidth, y + 5);
+		context.strokeStyle = textColor;
+		context.lineWidth = 3;
+		context.moveTo(x, y);
+		context.lineTo(x + 4 + fractionWidth, y);
+		break;
+	}
+	context.stroke();
+	context.restore();
+}
+
+function generateNormalData(mean, sd, n) {
+	var normal = gaussian(mean, sd);
+	var data = [];
+	var groups = [];
+	for (var i = 0; i < 8; i++)
+		groups[i] = {
+			min: roundToNearest(mean + (i - 4) * sd, 0.00001),
+			max: roundToNearest(mean + (i - 3) * sd, 0.00001),
+			frequency: 0
+		};
+	for (var i = 0; i < n; i++) {
+		var value = normal()
+			data.push(value);
+		for (var g = 0; g < 8; g++) {
+			if (value >= groups[g].min && value <= groups[g].max) {
+				groups[g].frequency++;
+				break;
+			}
+		}
+	}
+	return {
+		data: data,
+		grouped: groups
+	};
+}
+// returns a gaussian random function with the given mean and stdev.
+function gaussian(mean, stdev) {
+	var y2;
+	var use_last = false;
+	return function () {
+		var y1;
+		if (use_last) {
+			y1 = y2;
+			use_last = false;
+		} else {
+			var x1,
+			x2,
+			w;
+			do {
+				x1 = 2.0 * Math.random() - 1.0;
+				x2 = 2.0 * Math.random() - 1.0;
+				w = x1 * x1 + x2 * x2;
+			} while (w >= 1.0);
+			w = Math.sqrt((-2.0 * Math.log(w)) / w);
+			y1 = x1 * w;
+			y2 = x2 * w;
+			use_last = true;
+		}
+
+		var retval = mean + stdev * y1;
+		if (retval > 0)
+			return retval;
+		return -retval;
+	}
+}
+function phi(x) { // for normal distribution
+	var a1 = 0.254829592;
+	var a2 = -0.284496736;
+	var a3 = 1.421413741;
+	var a4 = -1.453152027;
+	var a5 = 1.061405429;
+	var p = 0.3275911;
+
+	var sign = 1
+		if (x < 0)
+			sign = -1
+				x = Math.abs(x) / Math.sqrt(2)
+
+				// A&S formula 7.1.26
+				var t = 1 / (1 + p * x)
+				var y = 1 - (((((a5 * t + a4) * t) + a3) * t + a2) * t + a1) * t * Math.exp(-x * x)
+
+				return 0.5 * (1 + sign * y)
+}
+function enlargeDash(dash, sf) {
+	if (typeof sf == 'undefined')
+		return dash;
+	for (var i = 0; i < dash.length; i++) {
+		dash[i] = dash[i] * sf;
+	}
+	return dash;
+}
+
+function numberToString(n, commaForThousand) {
+	var decPart = roundToNearest(n - Math.floor(n), 0.00001);
+	var str = Math.floor(n).toString();
+	if (str.length < 4 || (str.length == 4 && boolean(commaForThousand, false) == false)) {}
+	else {
+		var count = 0;
+		for (var i = str.length; i >= 1; i--) {
+			if (count == 3) {
+				str = str.slice(0, i) + ',' + str.slice(i);
+				count = 0;
+			}
+			count++;
+		}
+	}
+	if (decPart > 0) {
+		var str2 = String(decPart);
+		str = str + str2.slice(1);
+	}
+	return str;
+}
+function stringToNumber(str) {
+	var str = replaceAll(str, ',', '');
+	var str = replaceAll(str, ' ', '');
+	return parseInt(str);
+}
+function numberToWords(n, capFirstLetter) {
+	var string = n.toString(),
+	units,
+	tens,
+	scales,
+	start,
+	end,
+	chunks,
+	chunksLen,
+	chunk,
+	ints,
+	i,
+	word,
+	words,
+	and = 'and';
+	if (parseInt(string) === 0)
+		return 'zero';
+
+	units = ['', 'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight', 'nine', 'ten', 'eleven', 'twelve', 'thirteen', 'fourteen', 'fifteen', 'sixteen', 'seventeen', 'eighteen', 'nineteen'];
+
+	tens = ['', '', 'twenty', 'thirty', 'forty', 'fifty', 'sixty', 'seventy', 'eighty', 'ninety'];
+
+	scales = ['', 'thousand', 'million', 'billion', 'trillion', 'quadrillion', 'quintillion', 'sextillion', 'septillion', 'octillion', 'nonillion', 'decillion', 'undecillion', 'duodecillion', 'tredecillion', 'quatttuor-decillion', 'quindecillion', 'sexdecillion', 'septen-decillion', 'octodecillion', 'novemdecillion', 'vigintillion', 'centillion'];
+
+	start = string.length; /* Split user arguemnt into 3 digit chunks from right to left */
+	chunks = [];
+	while (start > 0) {
+		end = start;
+		chunks.push(string.slice((start = Math.max(0, start - 3)), end));
+	}
+
+	chunksLen = chunks.length; /* Check if function has enough scale words to be able to stringify the user argument */
+	if (chunksLen > scales.length) {
+		return '';
+	}
+
+	words = []; /* Stringify each integer in each chunk */
+	for (i = 0; i < chunksLen; i++) {
+		chunk = parseInt(chunks[i]);
+		if (chunk) {
+
+			/* Split chunk into array of individual integers */
+			ints = chunks[i].split('').reverse().map(parseFloat);
+
+			/* If tens integer is 1, i.e. 10, then add 10 to units integer */
+			if (ints[1] === 1) {
+				ints[0] += 10;
+			}
+
+			if (i > 0)
+				words.push(',');
+
+			/* Add scale word if chunk is not zero and array item exists */
+			if ((word = scales[i])) {
+				words.push(word);
+			}
+
+			/* Add unit word if array item exists */
+			if ((word = units[ints[0]])) {
+				words.push(word);
+			}
+
+			/* Add tens word if array item exists */
+			if ((word = tens[ints[1]])) {
+				words.push(word);
+			}
+
+			/* Add 'and' string after units or tens integer if: */
+			if (ints[0] || ints[1]) {
+
+				/* Chunk has a hundreds integer or chunk is the first of multiple chunks */
+				if (ints[2] || !i && chunksLen) {
+					words.push(and);
+				}
+
+			}
+
+			/* Add hundreds word if array item exists */
+			if ((word = units[ints[2]])) {
+				words.push(word + ' hundred');
+			}
+
+		}
+
+	}
+
+	var str = words.reverse().join(' ');
+	str = replaceAll(str, ' ,', ',');
+	str = replaceAll(str, ', and', ' and');
+	if (str.slice(0, 4) == 'and ')
+		str = str.slice(4);
+	if (str.slice(-1) == ',')
+		str = str.slice(0, -1);
+	if (boolean(capFirstLetter, true))
+		str = str.charAt(0).toUpperCase() + str.slice(1);
+	return str;
+}
diff --git a/tools/i2/_style.css b/tools/i2/_style.css
new file mode 100644
index 0000000..ec60650
--- /dev/null
+++ b/tools/i2/_style.css
@@ -0,0 +1,186 @@
+@charset "utf-8";
+/* CSS Document */
+
+@media screen {
+	html, body {
+		width: 100%;
+		height: 100%;
+		margin: auto auto auto auto;
+		background-color: #9C9AFF;
+		border: 0;
+		text-align: center;
+		overflow: hidden; /*  Disable scrollbars */
+	}
+}
+@media print {
+	size: auto;
+	margin: 0mm;
+}
+
+@font-face {
+    font-family: 'Hobo';
+    src: url('fonts/hobo-webfont.woff') format('woff'),
+		 url('fonts/hobo-webfontd41d.eot?#iefix') format('embedded-opentype'),
+		 url('fonts/hobo-webfont.eot'),
+         url('fonts/hobo-webfont.ttf') format('truetype'),
+         url('fonts/hobo-webfont.svg#hoboregular') format('svg');
+    font-weight: normal;
+    font-style: normal;
+}
+@font-face {
+    font-family: 'segoePrint';
+    src:url('fonts/segeo-print-webfont.woff') format('woff'),
+		url('fonts/segeo-print-webfont.ttf') format('truetype'),
+		url('fonts/segeo-print-webfont.svg#SegoePrintRegular') format('svg'),
+		url('fonts/segeo-print-webfont-2.svg#SegoePrintRegular') format('svg'),
+		url('fonts/segeo-print-webfont.eot');
+    	font-weight: normal;
+    	font-style: normal;
+}
+@font-face {
+    font-family: 'smileyMonster';
+    src:url('fonts/smileymonster.woff') format('woff'),
+		url('fonts/smileymonster.ttf') format('truetype'),
+        url('fonts/smileymonster.svg#Smiley-Monster') format('svg'),
+        url('fonts/smileymonster.eot'),
+        url('fonts/smileymonsterd41d.eot?#iefix') format('embedded-opentype'); 
+        font-weight: normal;
+        font-style: normal;
+}
+
+.wrapper {
+   display: table;
+   padding: 0;
+   width: 100%;
+   height: 100%;
+   position: absolute;
+}
+.container {
+   display: table-cell;
+   vertical-align: middle;
+	user-select: none;
+	-moz-user-select: none;
+	-khtml-user-select: none;
+	-webkit-user-select: none;
+	-o-user-select: none; 
+}
+.canvas-container {
+   position: relative;
+   margin: 0 auto;
+}
+#canvas {
+   width: 100%;
+   height: auto;
+   position: relative;
+   tabindex: 1;
+   touch-action: none;
+   -ms-touch-action: none;
+   -webkit-tap-highlight-color: rgba(0,0,0,0);
+   -webkit-tap-highlight-color: transparent;
+}
+#inactiveBox {
+   position: absolute;
+   z-index: 900000;
+   left: 0;
+   top: 0;
+   -ms-touch-action: none;
+   -webkit-tap-highlight-color: rgba(0,0,0,0);
+   -webkit-tap-highlight-color: transparent;
+}
+.holderButton {
+   position: absolute;
+   z-index: 800000;
+   left: 0;
+   top: 0;
+   touch-action: none;
+   -ms-touch-action: none;
+   cursor: pointer;
+   -webkit-tap-highlight-color: rgba(0,0,0,0);
+   -webkit-tap-highlight-color: transparent;
+}
+.hideMe {
+   overflow: hidden;
+   visibility: hidden;
+   height: 0;
+   width: 0;
+}
+#videoMask {
+   position: absolute;
+   z-index: 510;
+   cursor: auto;
+   tabindex: 2;
+   touch-action: none;
+   -ms-touch-action: none;
+   -webkit-tap-highlight-color: rgba(0,0,0,0);
+   -webkit-tap-highlight-color: transparent;
+}
+.buttonClass {
+   position: absolute;
+   z-index: 2;
+   cursor: pointer;
+   tabindex: 2;
+   touch-action: none;
+   -ms-touch-action: none;
+   -webkit-tap-highlight-color: rgba(0,0,0,0);
+   -webkit-tap-highlight-color: transparent;
+}
+.drawDivCanvas {
+   position: absolute;
+   z-index: 2;
+   cursor: pointer;
+   tabindex: 2;
+   left:0px;
+   top:0px;
+   width:100%;
+   touch-action: none;
+   -ms-touch-action: none;
+   -webkit-tap-highlight-color: rgba(0,0,0,0);
+   -webkit-tap-highlight-color: transparent;
+}
+.page-div {
+	position: relative;
+	margin-bottom: 10px;
+}
+.keyClass {
+   position: absolute;
+   z-index: 800000;
+   cursor: auto;
+   border-radius: 5px;
+   tabindex: 2;
+   touch-action: none;
+   -ms-touch-action: none;
+   -webkit-tap-highlight-color: rgba(0,0,0,0);
+   -webkit-tap-highlight-color: transparent;
+}
+.inputClass {
+  position: absolute;
+  z-index: 2;
+  font-size: 42px;
+  text-align: center;
+  margin: 0;
+  width: 50px;
+  height: 50px;
+  cursor: text;
+  touch-action: none;
+  -ms-touch-action: none;
+  -webkit-tap-highlight-color: rgba(0,0,0,0);
+  -webkit-tap-highlight-color: transparent;
+}
+.gridCanvasClass {
+   position: absolute;
+   z-index: 2;
+   tabindex: 2;
+   -ms-touch-action: none;
+   -webkit-tap-highlight-color: rgba(0,0,0,0);
+   -webkit-tap-highlight-color: transparent;
+}
+.videoClass {
+   position: absolute;
+   z-index: 500;
+   cursor: auto;
+   tabindex: 2;
+   touch-action: none;
+   -ms-touch-action: none;
+   -webkit-tap-highlight-color: rgba(0,0,0,0);
+   -webkit-tap-highlight-color: transparent;
+}
\ No newline at end of file
diff --git a/tools/i2/_text2.js b/tools/i2/_text2.js
new file mode 100644
index 0000000..ee72766
--- /dev/null
+++ b/tools/i2/_text2.js
@@ -0,0 +1,925 @@
+//js
+
+var defaultTags = {
+	font:'Arial',
+	fontSize:20,
+	bold:false,
+	italic:false,
+	color:'#000',
+	selected:false,
+	backColor:'none',
+	align:[0,0],
+	lineSpacingFactor:1.2,
+	lineSpacingStyle:'variable'
+}
+function updateTagsFromText(arr,startTags) {
+	var tags = clone(startTags);
+	if (typeof arr == 'string') {
+		var str = arr.slice(0);
+		while (str.indexOf('<<') > -1) {
+			str = str.slice(str.indexOf('<<'));
+			var type = str.slice(2,str.indexOf(':'));
+			var value = str.slice(str.indexOf(':')+1,str.indexOf('>>'));
+			if (type == 'align') {
+				if (value == 'left') tags.align[0] = -1;
+				if (value == 'center') tags.align[0] = 0;
+				if (value == 'right') tags.align[0] = 1;
+			} else {
+				if (!isNaN(Number(value))) value = Number(value);	
+				if (value == 'true') value = true; 
+				if (value == 'false') value = false; 
+				tags[type] = value;
+			}
+			str = str.slice(str.indexOf('>>')+2);
+		}
+	} else if (typeof arr == 'object') {
+		for (var i = 0; i < arr.length; i++) {
+			tags = updateTagsFromText(arr[i],tags);
+		}
+	}
+	return tags;
+}
+function getAlignFromText(arr,fallback) {
+	var align = fallback;
+	if (typeof arr == 'string') {
+		var str = arr.slice(0);
+		if (str.indexOf('<<align:') > -1) {
+			str = str.slice(str.indexOf('<<align:'));
+			align = str.slice(8,str.indexOf('>>'));
+		}
+	} else if (typeof arr == 'object') {
+		for (var i = 0; i < arr.length; i++) {
+			align = getAlignFromText(arr[i],align);
+		}
+	}
+	if (align == 'left') align = -1;
+	if (align == 'center') align = 0;
+	if (align == 'right') align = 1;
+	return align;
+}
+
+function splitTextByTags(textStr) {
+	// find markup tags and split text
+	var splitPoints = [0];
+	for (var ch1 = 0; ch1 < textStr.length; ch1++) {
+		if (textStr.slice(ch1).indexOf('<<') == 0 && textStr.slice(ch1).indexOf('<<<') !== 0) {
+			for (var ch2 = ch1; ch2 < textStr.length; ch2++) {
+				if (textStr.slice(ch2).indexOf('>>') == 0) {
+					splitPoints.push(ch1,ch2+2);
+					break;
+				}
+			}
+		}
+	}
+	splitPoints.push(textStr.length);
+	var splitText = [];
+	for (var ch = 0; ch < splitPoints.length-1; ch++) {
+		splitText.push(textStr.slice(splitPoints[ch],splitPoints[ch+1]))
+	}
+	return splitText;
+}
+function textArrayCombineAdjacentText(arr) {
+	for (var gg = arr.length - 1; gg >= 0; gg--) {
+		if (typeof arr[gg] == 'object') {
+			textArrayCombineAdjacentText(arr[gg]);
+		} else {
+			if (gg < arr.length - 1 && typeof arr[gg] == 'string' && typeof arr[gg+1] == 'string') {
+				arr[gg] += arr[gg+1];
+				arr.splice(gg+1,1);;
+			}
+		}
+	}
+	return arr;
+}
+function textTagGetTypeValue(tagStr) {
+	if (tagStr.indexOf('<<') == -1) {
+		return null;
+	} else if (tagStr.indexOf('<<') > 0) {
+		tagStr = tagStr.slice(tagStr.indexOf('<<'))
+	}
+	var type = tagStr.slice(2,tagStr.indexOf(':'));
+	var value = tagStr.slice(tagStr.indexOf(':')+1,tagStr.indexOf('>>'));
+	if (!isNaN(Number(value))) value = Number(value);
+	if (value == 'false') value = false;
+	if (value == 'true') value = true;
+	return {type:type,value:value};
+}
+function simplifyText(arr) {
+	var arr = textArrayCombineAdjacentText(arr);
+	var arr = textArrayRemoveRedundantTagsA(arr);
+	var arr = textArrayRemoveRedundantTagsB(arr);
+	var arr = textArrayRemoveRedundantAlignTags(arr);
+	return arr;
+}
+function textArrayRemoveRedundantTagsA(arr) {
+	// removes tags of the same type with no characters between them
+	var tags = {bold:null,italic:null,fontSize:null,font:null,color:null,backColor:null,selected:null};
+	var char = {bold:true,italic:true,fontSize:true,font:true,color:true,backColor:true,selected:true};
+	
+	if (typeof arr == 'object') {
+		arr = arrayHandler(arr);
+	} else if (typeof arr == 'string') {
+		arr = stringHandler(arr);
+	}
+
+	function arrayHandler(arr) {
+		for (var l = arr.length - 1; l >= 0; l--) {
+			if (typeof arr[l] == 'string') {
+				arr[l] = stringHandler(arr[l]);
+			} else if (typeof arr[l] == 'object') {
+				for (var prop in char) char[prop] = true;				
+				arr[l] = arrayHandler(arr[l]);
+			}
+		}
+		return arr;
+	}
+	
+	function stringHandler(str) {
+		var split = splitTextByTags(str);
+		for (var j = split.length - 1; j >= 0; j--) {
+			if (split[j].indexOf('<<') == 0) {
+				var tag = textTagGetTypeValue(split[j]);
+				if (tag.type == 'align') continue;
+				if (char[tag.type] == false) {
+					split.splice(j,1);
+				} else {
+					tags[tag.type] = tag.value;
+					char[tag.type] = false;
+				}
+			} else if (split[j].length > 0) {
+				for (var prop in char) char[prop] = true;
+			}
+		}
+		var str = '';
+		for (var j = 0; j < split.length; j++) str += split[j];
+		return str;
+	}
+	return arr;	
+}
+function textArrayRemoveRedundantTagsB(arr) {
+	// removes redundant repeated tags
+	var tags = {bold:null,italic:null,fontSize:null,font:null,color:null,backColor:null,selected:null};
+	
+	if (typeof arr == 'object') {
+		arr = arrayHandler(arr);
+	} else if (typeof arr == 'string') {
+		arr = stringHandler(arr);
+	}
+
+	function arrayHandler(arr) {
+		for (var l = 0; l < arr.length; l++) {
+			if (typeof arr[l] == 'string') {
+				arr[l] = stringHandler(arr[l]);
+			} else if (typeof arr[l] == 'object') {
+				arr[l] = arrayHandler(arr[l]);
+			}
+		}
+		return arr;
+	}
+	
+	function stringHandler(str) {
+		var split = splitTextByTags(str);
+		for (var j = 0; j < split.length; j++) {
+			if (split[j].indexOf('<<') == 0) {
+				var tag = textTagGetTypeValue(split[j]);
+				if (tag.type == 'align') continue;
+				if (tags[tag.type] == tag.value) {
+					split.splice(j,1);
+				} else {
+					tags[tag.type] = tag.value;
+				}
+			}
+		}
+		var str = '';
+		for (var j = 0; j < split.length; j++) str += split[j];
+		return str;
+	}
+	return arr;	
+}
+function textArrayRemoveRedundantAlignTags(arr) {
+	var alignSet = false;
+	
+	if (typeof arr == 'object') {
+		arr = arrayHandler(arr);
+	} else if (typeof arr == 'string') {
+		arr = stringHandler(arr);
+	}
+
+	function arrayHandler(arr) {
+		for (var l = 0; l < arr.length; l++) {
+			if (typeof arr[l] == 'string') {
+				arr[l] = stringHandler(arr[l]);
+			} else if (typeof arr[l] == 'object') {
+				arr[l] = arrayHandler(arr[l]);
+			}
+		}
+		return arr;
+	}
+	
+	function stringHandler(str) {
+		var split = splitTextByTags(str);
+		for (var j = 0; j < split.length; j++) {
+			if (split[j].indexOf('<<align:') == 0) {
+				if (alignSet == true) split.splice(j,1);
+				alignSet = true;
+			} else if (split[j].indexOf(br) > -1) {
+				alignSet = false;
+			}
+		}
+		var str = '';
+		for (var j = 0; j < split.length; j++) str += split[j];
+		return str;
+	}
+	return arr;	
+}
+function textArrayReplace(arr,find,replace) {
+	//if (find == '<<br>>') console.log(clone(arr),arr,find,replace);
+	if (typeof arr == 'string') {
+		arr = replaceAll(arr,find,replace);
+	} else if (typeof arr == 'object') {
+		for (var i = 0; i < arr.length; i++) {
+			arr[i] = textArrayReplace(arr[i],find,replace);
+		}
+	}
+	return arr;	
+}
+function textArrayFontSizeAdjust(arr,sf) {
+	if (typeof arr == 'string') {
+		for (var c = 0; c < arr.length; c++) {
+			var sliced = arr.slice(c);
+			if (sliced.indexOf('<<fontSize:') == 0) {
+				var before = arr.slice(0,c);
+				var d = sliced.indexOf('>>');
+				var after = sliced.slice(d+2);
+				var num = arr.slice(c+11);
+				num = num.slice(0,num.indexOf('>>'));
+				num = Number(num);
+				if (!isNaN(num)) {
+					num = Math.round(num*sf);
+					arr = before+'<<fontSize:'+num+'>>'+after;
+				}
+			}
+		}
+	} else if (arr instanceof Array) {
+		for (var i = 0; i < arr.length; i++) {
+			arr[i] = textArrayFontSizeAdjust(arr[i],sf);
+		}
+	} else if (typeof arr == 'object') {
+		for (var i in arr) {
+			arr[i] = textArrayFontSizeAdjust(arr[i],sf);
+		}
+	}
+	return arr;	
+}
+function textArrayFind(arr,str,found,depth) {
+	if (un(found)) found = false;
+	if (un(depth)) depth = 0;
+	if (typeof arr == 'string') {
+		if (arr.indexOf(str) > -1) found = true;
+	} else if (typeof arr == 'object') {
+		for (var i = 0; i < arr.length; i++) {
+			if (depth > 0 && i === 0 && ['frac','pow','sqrt','root','power','sub','subs','subscript','sin','cos','tan','log','ln','sin-1','cos-1','tan-1','logBase','abs','exp','int1','sigma1','sigma2','int2','recurring','vectorArrow','bar','hat','colVector2d','colVector3d','mixedNum','lim'].indexOf(arr[i]) > -1) continue;
+			found = textArrayFind(arr[i],str,found,depth+1);
+		}
+	}
+	return found;	
+}
+function textArrayRemoveDefaultTags(arr,tags) { //also removes redundant tags at end
+	if (un(tags)) tags = defaultTags;
+	var sp = splitTextByTags(arr[0]);
+	arr[0] = '';
+	var stop = false;
+	for (var s = 0; s < sp.length; s++) {
+		if (sp[s].length == 0) continue;
+		if (stop == true || (sp[s].indexOf('<<') !== 0)) {
+			arr[0] += sp[s];
+			stop = true;
+		} else {
+			var type = sp[s].slice(2,sp[s].indexOf(':'));
+			var value = sp[s].slice(sp[s].indexOf(':')+1,-2);
+			if (!isNaN(Number(value))) value = Number(value);
+			if (value == 'true') value = true;
+			if (value == 'false') value = false;
+			if (tags[type] !== value || type == 'align') arr[0] += sp[s];
+		}
+	}
+	
+	if (typeof arr[arr.length-1] == 'string') {
+		var sp = splitTextByTags(arr[arr.length-1]);
+		arr[arr.length-1] = '';
+		var stop = false;
+		for (var s = sp.length-1; s >= 0; s--) {
+			if (sp[s].length == 0) continue;
+			if (stop == true || (sp[s].indexOf('<<') !== 0)) {
+				arr[arr.length-1] = sp[s] + arr[arr.length-1];
+				stop = true;
+			} else {
+				var type = sp[s].slice(2,sp[s].indexOf(':'));
+				if (type == 'align') arr[arr.length-1] = sp[s] + arr[arr.length-1];
+			}
+		}
+	}
+	return arr;
+}
+function textArrayCheckIfEmpty(arr) {
+	for (var i = 0; i < arr.length; i++) {
+		if (typeof arr[i] == 'object') return false;
+		var sp = splitTextByTags(arr[i]);
+		for (var s = 0; s < sp.length; s++) {
+			if (sp[s].length == 0 || sp[s].indexOf('<<') == 0) continue;
+			return false;
+		}
+	}
+	return true;
+}
+function removeTags(elem) {
+	if (typeof elem == 'string') {
+		//remove markup tags
+		for (var char = elem.length-1; char > -1; char--) {
+			if (elem.slice(char).indexOf('>>') == 0 && elem.slice(char-1).indexOf('>>>') !== 0) {
+				for (var char2 = char-2; char2 > -1; char2--) {
+					if (elem.slice(char2).indexOf('<<') == 0) {
+						elem = elem.slice(0,char2) + elem.slice(char+2);
+						char = char2;
+						break;
+					}
+				}
+			}
+		}
+	} else {
+		for (var i = 0; i < elem.length; i++) {
+			elem[i] = removeTags(elem[i]);
+		}
+	}
+	return elem;
+}
+function textArrayGetStartTags(arr) {
+	var str = (typeof arr == 'string') ? arr : arr[0];
+
+	var splitPoints = [0];
+	for (var c = 0; c < str.length; c++) {
+		if (str.slice(c).indexOf('<<') == 0 && str.slice(c).indexOf('<<<') !== 0) {
+			for (var c2 = c; c2 < str.length; c2++) {
+				if (str.slice(c2).indexOf('>>') == 0) {
+					splitPoints.push(c,c2+2);
+					break;
+				}
+			}
+		}
+	}
+	splitPoints.push(str.length);
+	var tags = '';
+	for (var c = 0; c < splitPoints.length-1; c++) {
+		var subStr = str.slice(splitPoints[c],splitPoints[c+1]);
+		if (subStr.indexOf('<<') == 0) {
+			tags += subStr;
+		} else if (subStr !== '') {
+			break;
+		}
+	}
+	
+	return tags;
+}
+function textArrayToLowerCase(arr) {
+	if (typeof arr == 'string') {
+		arr = arr.toLowerCase();
+	} else if (typeof arr == 'object') {
+		for (var i = 0; i < arr.length; i++) {
+			arr[i] = textArrayToLowerCase(arr[i]);
+		}
+	}
+	return arr;	
+}
+
+function removeTagsOfType(textArray,tagType) {
+	var stringHandler = function(string) {
+		for (var j = string.length - 1; j >= 0; j--) {
+			var slice = string.slice(j);
+			if (slice.indexOf('<<'+tagType+':') == 0) {
+				string = string.slice(0,j)+string.slice(j+slice.indexOf('>>')+2);
+			}
+		}
+		return string;
+	}
+	
+	var arrayHandler = function(array) {
+		for (var l = array.length - 1; l >= 0; l--) {
+			if (typeof array[l] == 'string') {
+				array[l] = stringHandler(array[l]);
+			} else {	
+				array[l] = arrayHandler(array[l]);
+			}
+		}
+		return array;
+	}
+	
+	if (typeof textArray == 'object') {
+		return arrayHandler(textArray);
+	} else if (typeof textArray == 'string') {
+		return stringHandler(textArray);
+	}
+}
+function getDateString() {
+	var monthNames = ["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];
+	//var dayNames = ["Sun","Mon","Tue","Wed","Thu","Fri","Sat"];
+	//var monthNames = ["January","February","March","April","May","June","July","August","September","October","November","December"];
+	//var dayNames = ["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"];
+	var dateNow = new Date();
+	var dateNum = dateNow.getDate();
+	var dateString = String(dateNum) + ([1,21,31].includes(dateNum) ? 'st' : [2,22].includes(dateNum) ? 'nd' : [3,23].includes(dateNum) ? 'rd' : 'th');
+	//dateString = dayNames[dateNow.getDay()]+' '+dateString+' '+monthNames[dateNow.getMonth()];
+	return dateString+' '+monthNames[dateNow.getMonth()];	
+}
+
+function text(obj) {
+	// Required
+	var ctx = obj.context || obj.ctx;
+	ctx.beginPath();
+	var textArray = obj.textArray || obj.text || [];
+	if (typeof textArray == 'number') {
+		textArray = [String(textArray)];
+	} else if (typeof textArray == 'string') {
+		textArray = [textArray];
+	}
+	textArray = textArrayReplace(textArray,'<<br>>',br);
+	
+	if (typeof mode !== 'undefined' && mode == 'present') textArray = textArrayReplace(clone(textArray),'{date}',getDateString());
+	
+	var measureOnly = boolean(obj.measureOnly,false);
+	//var sf = obj.sf || 1;
+	var sf = 1;
+	
+	if (!un(obj.tags)) {
+		var startTags = clone(obj.tags);
+	} else {
+		var startTags = clone(defaultTags);
+		for (var key in startTags) {
+			if (key !== 'align');
+			startTags[key] = def([obj[key],defaultTags[key]]);
+		}
+	}
+	var tabWidth = obj.tabWidth || 20;
+	
+	// Text Placing, Spacing & Alignment
+	if (un(obj.rect)) {
+		obj.rect = [
+			def([obj.left,obj.l,0]),
+			def([obj.top,obj.t,0]),
+			def([obj.maxWidth,obj.width,obj.w,ctx.canvas.width]),
+			def([obj.maxHeight,obj.height,obj.h,ctx.canvas.height])
+		];
+	}
+	var left = obj.rect[0];
+	var top = obj.rect[1];
+	var maxWidth = obj.rect[2];
+	var maxHeight = obj.rect[3];
+	var leftLoose = left;
+	var maxWidthLoose = maxWidth;
+	if (!un(obj.marginLeft)) {
+		left += obj.marginLeft;
+		maxWidth -= obj.marginLeft;
+	}
+	if (!un(obj.marginRight)) {
+		maxWidth -= obj.marginRight;
+	}
+	
+	if (typeof obj.align !== 'object') {
+		var align = clone(defaultTags.align);
+		align[0] = def([obj.align,obj.textAlign,obj.horizAlign,-1]);
+		align[1] = def([obj.vertAlign,-1]);
+		if (align[0] == 'left') align[0] = -1;
+		if (align[0] == 'center') align[0] = 0;
+		if (align[0] == 'right') align[0] = 1;
+		if (align[1] == 'top') align[1] = -1;
+		if (align[1] == 'middle') align[1] = 0;
+		if (align[1] == 'bottom') align[1] = 1;
+	} else {
+		var align = obj.align;
+	}
+	var allowSpaces = boolean(obj.allowSpaces,false);
+	
+	var minTightWidth = obj.minTightWidth || 50;
+	var minTightHeight = obj.minTightHeight || 50;	
+	
+	var fracScale = obj.fracScale || obj._fracScale || 0.7;
+	var algPadding = obj.algPadding || obj._algPadding || 'default';
+	
+	//var alignEquals = boolean(obj.alignEquals, false);
+	//var equalsCenter = obj.equalsLeft || left + 0.5 * maxWidth;
+	
+	var lineSpacingFactor = obj.lineSpacingFactor || 1.2;
+	var lineSpacingStyle = obj.lineSpacingStyle || obj.spacingStyle || 'variable';
+	
+	var box = {};
+	var padding = obj.padding || 0;
+	if (un(obj.box) || obj.box.type == 'none') {
+		box.type = 'none';
+	} else {
+		box.type = obj.box.type || 'loose';
+		box.color = obj.box.color || obj.box.backgroundColor || '#FFC';
+		box.borderColor = obj.box.borderColor || obj.borderColor || '#000';
+		box.borderWidth = obj.box.borderWidth || obj.borderWidth || 4*sf;
+		box.dash = obj.box.dash || [];
+		box.radius = obj.box.rounded || obj.box.radius || 0;
+		box.dir = obj.box.dir || 'right';
+		box.arrowWidth = obj.box.arrowWidth || 40;
+		var padding = obj.box.padding || obj.padding || 10*sf;
+	}
+	var tags = clone(startTags);
+	
+	var backgroundColor = obj.backgroundColor || '#FFF'; // determines selection color
+	if (box.type !== 'none' && !un(box.color) && box.color !== 'none') backgroundColor = box.color; 
+	
+	//console.log(ctx.canvas,textArray,align,obj.rect);
+	
+	var words = [[]];	
+	var arr = clone(textArray);
+	for (var i = 0; i < arr.length; i++) {
+		if (typeof arr[i] == 'string') {
+			do {
+				var s = arr[i].indexOf(" ");
+				var t = arr[i].indexOf(tab);
+				var b = arr[i].indexOf(br);
+				if (s == -1 && t == -1 && b == -1) {
+					words[words.length-1].push(arr[i]);
+					arr[i] = '';
+				} else if (b > -1 && (t == -1 || b < t) && (s == -1 || b < s)) {
+					words[words.length-1].push(arr[i].slice(0,b),br);
+					arr[i] = arr[i].slice(b+1);
+					if (arr[i].length == 0 && i == arr.length-1) words[words.length-1].push('');
+				} else if (s > -1 && (t == -1 || s < t)) {
+					words[words.length-1].push(arr[i].slice(0,s)," ");
+					arr[i] = arr[i].slice(s+1);
+				} else if (t > -1 && (s == -1 || t < s)) {
+					words[words.length-1].push(arr[i].slice(0,t),tab);
+					arr[i] = arr[i].slice(t+1);
+				}
+			} while (arr[i].length > 0);
+		} else {
+			words[words.length-1].push(arr[i]);
+		}
+	}
+	//console.log(words);
+	
+	var subWords = [[]];
+	for (var l = 0; l < words.length; l++) {
+		for (var w = 0; w < words[l].length; w++) {
+			var sub = words[l][w];
+			if (sub == br || sub == " " || sub == tab) {
+				subWords.push([sub],[]);
+			} else {
+				subWords[subWords.length-1].push(sub);
+			}
+		}
+	}
+	
+	if (obj.log) console.log(words);
+	
+	var lines = [];
+	var line;
+	newLine();
+	function newLine() {
+		line = {width:0,height:tags.fontSize,words:[],text:[]};
+		lines.push(line);
+	}
+	
+	for (var w = 0; w < subWords.length; w++) {
+		var subWord = subWords[w];
+		subWords[w] = {text:subWords[w],width:0,tags:clone(tags)};
+		if (arraysEqual(subWord,[br])) {
+			line.hardBreak = true;
+			newLine();
+		} else if (arraysEqual(subWord,[tab])) {
+			if (w > 1 && subWords[w-1].text.length == 1 && subWords[w-2].tab == true) {
+				var dw = tabWidth;
+			} else {
+				var dw = (Math.ceil(line.width/tabWidth))*tabWidth - line.width;
+			}
+			line.words.push(subWords[w]);
+			line.text = line.text.concat(subWords[w].text);
+			subWords[w].width = dw;
+			subWords[w].tab = true;
+			line.width += dw;
+			if (line.width > maxWidth) newLine();
+		} else if (subWord.length == 0) {
+			
+		} else {
+			var measure = drawMathsText(ctx,subWords[w].text,tags.fontSize,left,top,false,[],align,'middle',tags.color,'measure',tags.backColor,tags.bold,tags.italic,tags.font,tags.selected,sf,'none',fracScale,algPadding);
+			subWords[w].width = measure[0];
+			subWords[w].height = measure[1];
+			
+			tags = updateTagsFromText(subWords[w].text,tags);
+			
+			if (line.width > 0 && line.width + subWords[w].width > maxWidth) newLine();
+			
+			//if (allowSpaces == true || line.width > 0 || !arraysEqual(subWord,[" "])) {
+				line.words.push(subWords[w]);
+				line.text = line.text.concat(subWords[w].text);
+				line.width += subWords[w].width;
+				line.height = Math.max(line.height,subWords[w].height);
+			//}
+			
+		}
+	}
+
+	if (obj.log) console.log(lines);
+	
+	//console.log('subWords:',subWords);
+	
+	var maxLineHeight = 0;
+	var totalLineHeight = 0;
+	
+	for (var l = 0; l < lines.length; l++) {
+		var line = lines[l];
+		// test for spaces at the end of line and remove
+		/*if (allowSpaces == false) {
+			for (var e = line.words.length-1; e >= 0; e--) {
+				var word = line.words[e];
+				if (arraysEquals(word[e],[' ']) {
+					
+				} else {
+					
+				}
+				if (typeof elem == 'string' && elem.length > 0) {
+					var sub = splitTextByTags(elem);
+					console.log(sub);
+					
+					if (elem[elem.length-1] == " ") {
+						elem = elem.slice(0,elem.length-1);
+						// get the width of this space and reduce line width
+						var font = line.font;
+						var fontSize = line.fontSize;
+						var bold = line.bold;
+						var italic = line.italic;
+						// work forwards through line to get the styling at the point of the space
+						for (var elem2 = 0; elem2 < eleme; elem2++) {
+							if (typeof line.text[elem2] == 'string' && line.text[elem2].indexOf('<<') == 0) {
+								markupTag(line.text[elem2]);	
+							}
+						}
+						var styledText = styleElement(" "); 
+						var spaceWidth = drawMathsText(ctx, styledText, fontSize, left, top, false, [], align, 'middle', color, 'measure')[0];
+						line.width -= spaceWidth;
+					}
+					break;
+				} else if (typeof elem == 'object') {
+					break;
+				}
+			}
+		}*/
+		
+		var alignFromText = getAlignFromText(line.text);
+		if (!un(alignFromText)) {
+			line.align = alignFromText;
+		} else if (l > 0 && lines[l-1].hardBreak !== true) {
+			line.align = lines[l-1].align;
+		} else {
+			line.align = align[0];
+		}
+
+		//if (lines.length > 3) console.log('line'+l+':',line);
+		
+		// fix x
+		if (line.align == -1) line.x = left + padding;
+		if (line.align == 0) line.x = left + 0.5 * maxWidth;
+		if (line.align == 1) line.x = left + maxWidth - padding;
+		
+		// sort relative vertical spacing (assuming variable)
+		if (l > 0) { 
+			line.relY = lines[l-1].relY + (0.5 * lines[l-1].height + 0.5 * line.height) * lineSpacingFactor;
+		} else {
+			line.relY = 0.5 * line.height * lineSpacingFactor;
+		}
+		maxLineHeight = Math.max(maxLineHeight, line.height);
+		totalLineHeight += line.height * lineSpacingFactor;
+	}
+	
+	if (lineSpacingStyle == 'fixed') {
+		for (var l = 0; l < lines.length; l++) {
+			lines[l].relY = (l + 0.5) * maxLineHeight * lineSpacingFactor;
+		}
+		totalLineHeight = lines.length * maxLineHeight * lineSpacingFactor;
+	}
+	
+	// work out where the top of the text will actually be
+	var topPos = top + padding;
+	
+	if (align[1] == 0) {
+		topPos = top + 0.5 * maxHeight - 0.5 * totalLineHeight;
+	} else if (align[1] == 1) {
+		topPos = top + maxHeight - padding - totalLineHeight;	
+	}
+	
+	/*
+	if (alignEquals == true) {
+		var leftOfEqualsWidth = [];
+		var rightOfEqualsWidth = [];
+		var equalsWidth = [];
+		for (var line = 0; line < textLine.length; line++) {
+			var leftOfEquals = [];
+			var rightOfEquals = [];
+			var equalsFound = false;
+			// locate equals sign in each line
+			for (var elem = 0; elem < textLine[line].text.length; elem++) {
+				if (equalsFound == true) {
+					rightOfEquals.push(textLine[line].text[elem]);
+				} else {
+					if (typeof textLine[line].text[elem] == 'string') {
+						var equalsPos;
+						for (var pos = 0; pos < textLine[line].text[elem].length; pos++) {
+							if (textLine[line].text[elem][pos] == "=") {
+								equalsPos = pos;
+								equalsFound = true;
+							}
+						}
+						if (equalsFound == true) {
+							leftOfEquals.push(textLine[line].text[elem].slice(0, equalsPos));
+							rightOfEquals.push(textLine[line].text[elem].slice(equalsPos+1));
+						} else {
+							leftOfEquals.push(textLine[line].text[elem]);	
+						}
+					} else {
+						leftOfEquals.push(textLine[line].text[elem]);
+					}
+				}
+			}
+			if (equalsFound == true) {
+				// measure left of equals sign
+				var styledLine1 = leftOfEquals.slice(0);
+				styledLine1.unshift('<<font:'+textLine[line].font+'>><<fontSize:'+textLine[line].fontSize+'>><<bold:'+textLine[line].bold+'>><<italic:'+textLine[line].italic+'>><<color:'+textLine[line].color+'>><<selected:'+selected+'>>');
+				leftOfEqualsWidth[line] = drawMathsText(ctx, styledLine1, fontSize, x, y, false, [], textLine[line].align, 'middle', '#000', 'measure')[0];
+				
+				// measure equals sign
+				styledLine1.push("=");
+				equalsWidth[line] = drawMathsText(ctx, styledLine1, fontSize, x, y, false, [], textLine[line].align, 'middle', '#000', 'measure')[0] - leftOfEqualsWidth[line];
+				
+				// measure right of equals sign
+				styledLine1 = styledLine1.concat(rightOfEquals);
+				rightOfEqualsWidth[line] = drawMathsText(ctx, styledLine1, fontSize, x, y, false, [], textLine[line].align, 'middle', '#000', 'measure')[0] - equalsWidth[line] - leftOfEqualsWidth[line];	
+				
+				// loop through rows and set x value accordingly
+				textLine[line].alignEquals = true;	
+				textLine[line].align = 'left';
+				textLine[line].x = equalsCenter - 0.5 * equalsWidth[line] - leftOfEqualsWidth[line];
+								
+			} else {
+				textLine[line].alignEquals = false;	
+			}
+		}
+	}
+	*/
+	
+	// calc tight rect
+	if (lines[0].align == -1) {
+		var l = lines[0].x - padding;
+		var r = lines[0].x + lines[0].width + padding;
+	} else if (lines[0].align == 0) {
+		var l = lines[0].x - 0.5 * lines[0].width - padding;
+		var r = lines[0].x + 0.5 * lines[0].width + padding;
+	} else if (lines[0].align == 1) {
+		var l = lines[0].x - lines[0].width - padding;
+		var r = lines[0].x + padding;
+	}
+	var t = topPos - padding;
+	var b = topPos + totalLineHeight + padding;
+	for (var i = 1; i < lines.length; i++) {
+		if (lines[i].align == -1) {
+			l = Math.min(l, lines[i].x - padding);
+			r = Math.max(r, lines[i].x + lines[i].width + padding);
+		} else if (lines[i].align == 0) {
+			l = Math.min(l, lines[i].x - 0.5 * lines[i].width - padding);
+			r = Math.max(r, lines[i].x + 0.5 * lines[i].width + padding);
+		} else if (lines[i].align == 1) {
+			l = Math.min(l, lines[i].x - lines[i].width - padding);
+			r = Math.max(r, lines[i].x + padding);
+		}
+	}
+	if (r - l < minTightWidth) {
+		var alterBy = minTightWidth - (r - l);
+		l -= alterBy / 2;
+		r += alterBy / 2;
+	}
+	if (b - t < minTightHeight) {
+		var alterBy = minTightHeight - (b - t);
+		t -= alterBy / 2;
+		b += alterBy / 2;		
+	}
+
+	if (box.type == 'loose') {
+		roundedRect2(ctx,leftLoose,top,maxWidthLoose,maxHeight,box.radius,box.borderWidth,box.borderColor,box.color,box.dash);
+	} else if (box.type == 'tight') {
+		roundedRect2(ctx,l,t,r-l,b-t,box.radius,box.borderWidth,box.borderColor,box.color,box.dash);
+	} else if (box.type == 'flowArrow') {
+		var left = leftLoose;
+		var right = left + maxWidthLoose;
+		var bottom = top + maxHeight;
+		if (box.dir == 'left') {
+			var points = [[right,top],[left+box.arrowWidth/2,top],[left-box.arrowWidth/2,(top+bottom)/2],[left+box.arrowWidth/2,bottom],[right,bottom]];
+		} else {
+			var points = [[left,top],[right-box.arrowWidth/2,top],[right+box.arrowWidth/2,(top+bottom)/2],[right-box.arrowWidth/2,bottom],[left,bottom]];
+		}
+		drawPolygon({ctx:ctx,points:points,fillColor:box.color,lineColor:box.borderColor,lineWidth:box.borderWidth,dash:box.dash});
+	}
+	var tightRect = [l,t,r-l,b-t];
+	
+	var returnTextLoc = [];
+	var returnTextLoc2 = [];
+	var lineRects = [];
+	var totalTextWidth = 0;
+	var lineLocs = [];
+	
+	if (boolean(obj.showText,true) == true) {
+		for (var l = 0; l < lines.length; l++) {
+			var line = lines[l];
+			//console.log(l,line);
+			
+			totalTextWidth += line.width;
+			var y = topPos + line.relY;
+			if (!un(line.words[0])) {
+				var style = line.words[0].tags;
+			} else {
+				var style = defaultTags;
+			}
+			var align2 = line.align == 1 ? 'right' : line.align == 0 ? 'center' : 'left';
+			line.text = textArrayCombineAdjacentText(line.text);
+
+			var measure = drawMathsText(ctx,line.text,style.fontSize,line.x,y,false,[],align2,'middle',style.color,'draw',style.backColor,style.bold,style.italic,style.font,style.selected,sf,backgroundColor,fracScale,algPadding);
+			
+			lineRects[l] = measure.tightRect;
+			var textLoc = measure.textLoc;
+			
+			for (var i = 0; i < textLoc.length; i++) {
+				arrayProcess(textLoc[i]);
+			}	
+			function arrayProcess(arr) {
+				for (var j = 0; j < arr.length; j++) {
+					if (arr[j] instanceof Array) {
+						arrayProcess(arr[j]);
+					} else if (typeof arr[j] == 'object') {
+						arr[j].lineNum = l;
+					}
+				}
+			}
+			
+			if (line.hardBreak !== true && typeof line.text.last() == 'string' && line.text.last().slice(-1) == ' ' && l < lines.length-1) {
+				line.softBreakSpace = true;
+				textLoc[textLoc.length-1].pop();
+			}
+			
+			var textLoc2Map = mapArray(textLoc,true);
+			lineLocs[l] = textLoc2Map.length;
+			
+			returnTextLoc2 = returnTextLoc2.concat(textLoc);
+			
+			/*//if (lines.length > 1) console.log('+',l,textLoc);
+			if (returnTextLoc.length > 0) {
+				//console.log('+',l,textLoc[0]);
+				if (textLoc[0].length == 1) {
+					returnTextLoc[returnTextLoc.length-1] = returnTextLoc[returnTextLoc.length-1].concat(textLoc[0]);
+					textLoc.shift();
+				}
+				//console.log(textLoc);
+				returnTextLoc = returnTextLoc.concat(textLoc);
+			} else {
+				returnTextLoc = textLoc.slice(0);
+			}*/
+		}
+	}
+	//if (lines.length > 1) console.log('-',returnTextLoc);
+	
+	for (var i = returnTextLoc2.length-1; i >= 1; i--) {
+		if (typeof returnTextLoc2[i][0] == 'object' && typeof returnTextLoc2[i-1][0] == 'object') {
+			returnTextLoc2[i-1] =  returnTextLoc2[i-1].concat(returnTextLoc2[i]);
+			returnTextLoc2.splice(i,1);
+		}
+	}
+	//if (lines.length > 1) console.log('-',returnTextLoc2);
+		
+	var breakCount = 0;
+	var softBreaks = [];
+	var softBreakSpaces = [];
+	var hardBreaks = [];
+	for (var i = 0; i < lineLocs.length-1; i++) {
+		breakCount += lineLocs[i];
+		if (lines[i].hardBreak == true) {
+			hardBreaks.push(breakCount);
+		} else if (lines[i].softBreakSpace == true) {
+			softBreakSpaces.push(breakCount);
+		} else {
+			softBreaks.push(breakCount);
+		}
+	}
+
+	//console.log({textLoc:returnTextLoc,tightRect:tightRect,totalTextWidth:totalTextWidth,maxWordWidth:maxWordWidth,softBreaks:softBreaks,hardBreaks:hardBreaks});
+	
+	return {
+		textLoc:returnTextLoc2,
+		tightRect:tightRect,
+		totalTextWidth:totalTextWidth,
+		//maxWordWidth:maxWordWidth,
+		softBreaks:softBreaks,
+		softBreakSpaces:softBreakSpaces,
+		hardBreaks:hardBreaks,
+		lineRects:lineRects
+	};
+}
\ No newline at end of file
diff --git a/tools/i2/construct.html b/tools/i2/construct.html
new file mode 100644
index 0000000..ef3205c
--- /dev/null
+++ b/tools/i2/construct.html
@@ -0,0 +1,57 @@
+<html>
+	
+<!-- Mirrored from www.mathspad.co.uk/i2/construct.php by HTTrack Website Copier/3.x [XR&CO'2014], Thu, 03 Nov 2022 23:36:36 GMT -->
+<!-- Added by HTTrack --><meta http-equiv="content-type" content="text/html;charset=UTF-8" /><!-- /Added by HTTrack -->
+<head>
+		<meta charset="utf-8">
+		<title>Constructions Tool</title>
+		<link rel="stylesheet" type="text/css" href="_style.css">
+
+		<script>
+			/*if (window.top != window.self) {
+				top.location.href = document.location.href;
+			}*/
+			var user = "guest";
+			var personal = -1;
+		
+			var isTask = false;
+			var hasCanvas = true;	
+			var mainCanvasFillStyle = '#FFC';
+			var mainCanvasBorderWidth = 10;
+			var cacheVersion = '200504';
+			
+			var scriptsToLoad = [
+				'_drawMathsText.js',
+				'_mathsInput.js',
+				'_grid2.js',	
+				'_keyboard.js',
+				'_text2.js',
+				'_draw.js',
+				'_draw2.js',
+				'_draw3.js',
+				'_miscFuncs.js',
+				'Notifier.js'
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+			];	
+		</script>
+	</head>
+	 
+	<body>
+		<div class="hideMe" style="font-family:'Hobo'">.</div>
+		<div class="hideMe" style="font-family:'segoePrint'">.</div>
+		<div class="hideMe" style="font-family:'smileyMonster'">.</div>		
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+			</div>
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+		</div>
+		<script src="_holder2.js"></script>
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\ No newline at end of file
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diff --git a/tools/i2/fonts/hobo-webfontd41d.eot b/tools/i2/fonts/hobo-webfontd41d.eot
new file mode 100644
index 0000000000000000000000000000000000000000..19121446691b0c71ace685d32bb109d61c76d410
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diff --git a/tools/i2/fonts/segeo-print-webfont-2.svg b/tools/i2/fonts/segeo-print-webfont-2.svg
new file mode 100644
index 0000000..b303e54
--- /dev/null
+++ b/tools/i2/fonts/segeo-print-webfont-2.svg
@@ -0,0 +1,249 @@
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diff --git a/tools/i2/fonts/segeo-print-webfont.woff b/tools/i2/fonts/segeo-print-webfont.woff
new file mode 100644
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diff --git a/tools/i2/fonts/smileymonster.svg b/tools/i2/fonts/smileymonster.svg
new file mode 100644
index 0000000..2569e34
--- /dev/null
+++ b/tools/i2/fonts/smileymonster.svg
@@ -0,0 +1,279 @@
+<?xml version="1.0" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd" >
+<svg>
+<metadata>
+Created by FontForge 20090914 at Fri Feb 24 06:29:58 2012
+ By root
+Typeface &#194;&#169; (Fonts For Peas). 2006. All Rights Reserved  http://www.geocities.com/fontsforpeas Free for personal use, contact for commercial use: fontsforpeas@yahoo.com
+</metadata>
+<defs>
+<font id="SmileyMonster" horiz-adv-x="1456" >
+  <font-face 
+    font-family="Smiley Monster"
+    font-weight="400"
+    font-stretch="normal"
+    units-per-em="2048"
+    panose-1="3 0 0 0 0 0 0 0 0 0"
+    ascent="1638"
+    descent="-410"
+    x-height="1551"
+    cap-height="2040"
+    bbox="-36 -789 2289.77 2268"
+    underline-thickness="150"
+    underline-position="-142"
+    unicode-range="U+0020-U+201D"
+  />
+<missing-glyph horiz-adv-x="40" 
+ />
+    <glyph glyph-name=".notdef" horiz-adv-x="40" 
+ />
+    <glyph glyph-name=".null" horiz-adv-x="40" 
+ />
+    <glyph glyph-name="nonmarkingreturn" horiz-adv-x="40" 
+ />
+    <glyph glyph-name="space" unicode=" " horiz-adv-x="1603" 
+ />
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