nt('on'+type,fn);return this;}}};window.extend(Element.Methods.Listeners);document.extend(Element.Methods.Listeners);Element.extend(Element.Methods.Listeners);var Garbage={elements:[],collect:function(el){if(!el.$tmp){Garbage.elements.push(el);el.$tmp={'opacity':1};}
return el;},trash:function(elements){for(var i=0,j=elements.length,el;i<j;i++){if(!(el=elements[i])||!el.$tmp)continue;if(el.$events)el.fireEvent('trash').removeEvents();for(var p in el.$tmp)el.$tmp[p]=null;for(var d in Element.prototype)el[d]=null;Garbage.elements[Garbage.elements.indexOf(el)]=null;el.htmlElement=el.$tmp=el=null;}
Garbage.elements.remove(null);},empty:function(){Garbage.collect(window);Garbage.collect(document);Garbage.trash(Garbage.elements);}};window.addListener('beforeunload',function(){window.addListener('unload',Garbage.empty);if(window.ie)window.addListener('unload',CollectGarbage);});var Event=new Class({initialize:function(event){if(event&&event.$extended)return event;this.$extended=true;event=event||window.event;this.event=event;this.type=event.type;this.target=event.target||event.srcElement;if(this.target.nodeType==3)this.target=this.target.parentNode;this.shift=event.shiftKey;this.control=event.ctrlKey;this.alt=event.altKey;this.meta=event.metaKey;if(['DOMMouseScroll','mousewheel'].contains(this.type)){this.wheel=(event.wheelDelta)?event.wheelDelta/120:-(event.detail||0)/3;}else if(this.type.contains('key')){this.code=event.which||event.keyCode;for(var name in Event.keys){if(Event.keys[name]==this.code){this.key=name;break;}}
if(this.type=='keydown'){var fKey=this.code-111;if(fKey>0&&fKey<13)this.key='f'+fKey;}
this.key=this.key||String.fromCharCode(this.code).toLowerCase();}else if(this.type.test(/(click|mouse|menu)/)){this.page={'x':event.pageX||event.clientX+document.documentElement.scrollLeft,'y':event.pageY||event.clientY+document.documentElement.scrollTop};this.client={'x':event.pageX?event.pageX-window.pageXOffset:event.clientX,'y':event.pageY?event.pageY-window.pageYOffset:event.clientY};this.rightClick=(event.which==3)||(event.button==2);switch(this.type){case'mouseover':this.relatedTarget=event.relatedTarget||event.fromElement;break;case'mouseout':this.relatedTarget=event.relatedTarget||event.toElement;}
this.fixRelatedTarget();}
return this;},stop:function(){return this.stopPropagation().preventDefault();},stopPropagation:function(){if(this.event.stopPropagation)this.event.stopPropagation();else this.event.cancelBubble=true;return this;},preventDefault:function(){if(this.event.preventDefault)this.event.preventDefault();else this.event.returnValue=false;return this;}});Event.fix={relatedTarget:function(){if(this.relatedTarget&&this.relatedTarget.nodeType==3)this.relatedTarget=this.relatedTarget.parentNode;},relatedTargetGecko:function(){try{Event.fix.relatedTarget.call(this);}catch(e){this.relatedTarget=this.target;}}};Event.prototype.fixRelatedTarget=(window.gecko)?Event.fix.relatedTargetGecko:Event.fix.relatedTarget;Event.keys=new Abstract({'enter':13,'up':38,'down':40,'left':37,'right':39,'esc':27,'space':32,'backspace':8,'tab':9,'delete':46});Element.Methods.Events={addEvent:function(type,fn){this.$events=this.$events||{};this.$events[type]=this.$events[type]||{'keys':[],'values':[]};if(this.$events[type].keys.contains(fn))return this;this.$events[type].keys.push(fn);var realType=type;var custom=Element.Events[type];if(custom){if(custom.add)custom.add.call(this,fn);if(custom.map)fn=custom.map;if(custom.type)realType=custom.type;}
if(!this.addEventListener)fn=fn.create({'bind':this,'event':true});this.$events[type].values.push(fn);return(Element.NativeEvents.contains(realType))?this.addListener(realType,fn):this;},removeEvent:function(type,fn){if(!this.$events||!this.$events[type])return this;var pos=this.$events[type].keys.indexOf(fn);if(pos==-1)return this;var key=this.$events[type].keys.splice(pos,1)[0];var value=this.$events[type].values.splice(pos,1)[0];var custom=Element.Events[type];if(custom){if(custom.remove)custom.remove.call(this,fn);if(custom.type)type=custom.type;}
return(Element.NativeEvents.contains(ty