ycn=window.ycn||{};
ycn.Event={
	addEvent:function(obj,evType,fn){
		if(obj.addEventListener){
			obj.addEventListener(evType,fn,false);
			return true;
		}else if(obj.attachEvent){
			var r=obj.attachEvent("on"+evType,fn);
			ycn.EventCache.add(obj,evType,fn);
			return r;
		}else{return false;}
	},removeEvent:function(obj,evType,fn){
		if(obj.removeEventListener){
			obj.removeEventListener(evType,fn,false);
			return true;
		}else if(obj.detachEvent){
			var r=obj.detachEvent("on"+evType,fn);
			return r;
		}else{return false;}
	},getEvent:function(e){
		e=window.event||e;
		e.leftButton=false;
		if(e.srcElement==null&&e.target!=null){
			e.srcElement=e.target;e.leftButton=(e.button==1);
		}else if(e.target==null&&e.srcElement!=null){
			e.target=e.srcElement;
			e.leftButton=(e.button==0);
		}else if(e.srcElement!=null&&e.target!=null){}else{return null}
		if(document.body&&document.documentElement){
			e.mouseX=e.pageX||(e.clientX+Math.max(document.body.scrollLeft,document.documentElement.scrollLeft));
			e.mouseY=e.pageY||(e.clientY+Math.max(document.body.scrollTop,document.documentElement.scrollTop));
		}else{e.mouseX=-1;e.mouseY=-1;}
		return e;
	},stopEvent:function(e){
		if(e&&e.cancelBubble!=null){e.cancelBubble=true;e.returnValue=false;}
		if(e&&e.stopPropagation&&e.preventDefault){e.stopPropagation();e.preventDefault();}
		return false;}
	};
	ycn.EventCache=function(){
		var listEvents=[];
		return{listEvents:listEvents,add:function(node,sEventName,fHandler,bCapture){
			listEvents[listEvents.length]=arguments;},flush:function(){
				var i,item;
				for(i=listEvents.length-1;i>=0;i=i-1){
					item=listEvents[i];
					if(item[0].removeEventListener){item[0].removeEventListener(item[1],item[2],item[3]);};
					if(item[1].substring(0,2)!="on"){item[1]="on"+item[1];};
					if(item[0].detachEvent){item[0].detachEvent(item[1],item[2]);};
					item[0][item[1]]=null;
				};
			}
		};
	}();
	ycn.Event.addEvent(window,"unload",ycn.EventCache.flush);
	function error_handler(a,b,c){window.status=(c+"\n"+b+"\n\n"+a+"\n\n"+error_handler.caller);return true;}