var colors=new Class({initialize:function(){this.colors=COLORS;this.length=this.colors.length;},peek:function(){if(this.colors.length==0){return"#ffffff";}else{return this.colors[this.colors.length-1];}},pop:function(){if(this.colors.length==0){return false;}else{this.length--;return this.colors.pop();}},push:function(A){this.length++;this.colors.unshift(A);}});