function generateSquareMaze(dimension){function iterate(field,x,y){field[x][y]=false;while(true){directions=[];if(x>1&&field[x-2][y]==true){directions.push([-1,0]);}
if(x<field.dimension-2&&field[x+2][y]==true){directions.push([1,0]);}
if(y>1&&field[x][y-2]==true){directions.push([0,-1]);}
if(y<field.dimension-2&&field[x][y+2]==true){directions.push([0,1]);}
if(directions.length==0){return field;}
dir=directions[Math.floor(Math.random()*directions.length)];field[x+dir[0]][y+dir[1]]=false;field=iterate(field,x+dir[0]*2,y+dir[1]*2);}}
var field=new Array(dimension);field.dimension=dimension;for(var i=0;i<dimension;i++){field[i]=new Array(dimension);for(var j=0;j<dimension;j++){field[i][j]=true;}}
field=iterate(field,1,1);return field;}