/**
 * Debug Tools
 */
function Debug(){
	this.startTime = 0;
	this.endTime = 0;
}

Debug.prototype.start = function (){
	this.startTime = (new Date()).getTime();
}

Debug.prototype.end = function (){
	this.endTime = (new Date()).getTime();
	window.status = "Used Time: " + (this.endTime-this.startTime) + " MS.";
}