
/* - mootools.js - */
// http://www.energy.unc.edu/portal_javascripts/mootools.js?original=1
var MooTools={version:"1.11"};
function $defined(obj){return(obj!==undefined)}
function $type(obj){if(!$defined(obj)){return false}
if(obj.htmlElement){return "element"}
var type=typeof obj;if(type=="object"&&obj.nodeName){switch(obj.nodeType){case 1:return "element";case 3:return (/\S/).test(obj.nodeValue)?"textnode":"whitespace"}}
if(type=="object"||type=="function"){switch(obj.constructor){case Array:return "array";case RegExp:return "regexp";case Class:return "class"}
if(typeof obj.length=="number"){if(obj.item){return "collection"}
if(obj.callee){return "arguments"}}}
return type}
function $merge(){var mix={};for(var i=0;i<arguments.length;i++){for(var property in arguments[i]){var ap=arguments[i][property];var mp=mix[property];if(mp&&$type(ap)=="object"&&$type(mp)=="object"){mix[property]=$merge(mp,ap)} else{mix[property]=ap}}}
return mix}
var $extend=function(){var args=arguments;if(!args[1]){args=[this,args[0]]}
for(var property in args[1]){args[0][property]=args[1][property]}
return args[0]};var $native=function(){for(var i=0,l=arguments.length;i<l;i++){arguments[i].extend=function(props){for(var prop in props){if(!this.prototype[prop]){this.prototype[prop]=props[prop]}
if(!this[prop]){this[prop]=$native.generic(prop)}}}}};$native.generic=function(prop){return function(bind){return this.prototype[prop].apply(bind,Array.prototype.slice.call(arguments,1))}};$native(Function,Array,String,Number);
function $chk(obj){return!!(obj||obj===0)}
function $pick(obj,picked){return $defined(obj)?obj:picked}
function $random(min,max){return Math.floor(Math.random() *(max-min+1)+min)}
function $time(){return new Date().getTime()}
function $clear(timer){clearTimeout(timer);clearInterval(timer);return null}
var Abstract=function(obj){obj=obj||{};obj.extend=$extend;return obj};var Window=new Abstract(window);var Document=new Abstract(document);document.head=document.getElementsByTagName("head")[0];window.xpath=!!(document.evaluate);if(window.ActiveXObject){window.ie=window[window.XMLHttpRequest?"ie7":"ie6"]=true} else{if(document.childNodes&&!document.all&&!navigator.taintEnabled){window.webkit=window[window.xpath?"webkit420":"webkit419"]=true} else{if(document.getBoxObjectFor!=null){window.gecko=true}}}
window.khtml=window.webkit;Object.extend=$extend;if(typeof HTMLElement=="undefined"){var HTMLElement=function(){};if(window.webkit){document.createElement("iframe")}
HTMLElement.prototype=(window.webkit)?window["[[DOMElement.prototype]]"]:{}}
HTMLElement.prototype.htmlElement=function(){};if(window.ie6){try{document.execCommand("BackgroundImageCache",false,true)}
catch(e){}}
var Class=function(properties){var klass=function(){return(arguments[0]!==null&&this.initialize&&$type(this.initialize)=="function")?this.initialize.apply(this,arguments):this};$extend(klass,this);klass.prototype=properties;klass.constructor=Class;return klass};Class.empty=function(){};Class.prototype={extend:function(properties){var proto=new this(null);for(var property in properties){var pp=proto[property];proto[property]=Class.Merge(pp,properties[property])}
return new Class(proto)},implement:function(){for(var i=0,l=arguments.length;i<l;i++){$extend(this.prototype,arguments[i])}}};Class.Merge=function(previous,current){if(previous&&previous!=current){var type=$type(current);if(type!=$type(previous)){return current}
switch(type){case "function":var merged=function(){this.parent=arguments.callee.parent;return current.apply(this,arguments)};merged.parent=previous;return merged;case "object":return $merge(previous,current)}}
return current};var Chain=new Class({chain:function(fn){this.chains=this.chains||[];this.chains.push(fn);return this},callChain:function(){if(this.chains&&this.chains.length){this.chains.shift().delay(10,this)}},clearChain:function(){this.chains=[]}});var Events=new Class({addEvent:function(type,fn){if(fn!=Class.empty){this.$events=this.$events||{};this.$events[type]=this.$events[type]||[];this.$events[type].include(fn)}
return this},fireEvent:function(type,args,delay){if(this.$events&&this.$events[type]){this.$events[type].each(function(fn){fn.create({"bind":this,"delay":delay,"arguments":args})()},this)}
return this},removeEvent:function(type,fn){if(this.$events&&this.$events[type]){this.$events[type].remove(fn)}
return this}});var Options=new Class({setOptions:function(){this.options=$merge.apply(null,[this.options].extend(arguments));if(this.addEvent){for(var option in this.options){if($type(this.options[option]=="function")&&(/^on[A-Z]/).test(option)){this.addEvent(option,this.options[option])}}}
return this}});Array.extend({forEach:function(fn,bind){for(var i=0,j=this.length;i<j;i++){fn.call(bind,this[i],i,this)}},filter:function(fn,bind){var results=[];for(var i=0,j=this.length;i<j;i++){if(fn.call(bind,this[i],i,this)){results.push(this[i])}}
return results},map:function(fn,bind){var results=[];for(var i=0,j=this.length;i<j;i++){results[i]=fn.call(bind,this[i],i,this)}
return results},every:function(fn,bind){for(var i=0,j=this.length;i<j;i++){if(!fn.call(bind,this[i],i,this)){return false}}
return true},some:function(fn,bind){for(var i=0,j=this.length;i<j;i++){if(fn.call(bind,this[i],i,this)){return true}}
return false},indexOf:function(item,from){var len=this.length;for(var i=(from<0)?Math.max(0,len+from):from||0;i<len;i++){if(this[i]===item){return i}}
return-1},copy:function(start,length){start=start||0;if(start<0){start=this.length+start}
length=length||(this.length-start);var newArray=[];for(var i=0;i<length;i++){newArray[i]=this[start++]}
return newArray},remove:function(item){var i=0;var len=this.length;while(i<len){if(this[i]===item){this.splice(i,1);len--} else{i++}}
return this},contains:function(item,from){return this.indexOf(item,from)!=-1},associate:function(keys){var obj={},length=Math.min(this.length,keys.length);for(var i=0;i<length;i++){obj[keys[i]]=this[i]}
return obj},extend:function(array){for(var i=0,j=array.length;i<j;i++){this.push(array[i])}
return this},merge:function(array){for(var i=0,l=array.length;i<l;i++){this.include(array[i])}
return this},include:function(item){if(!this.contains(item)){this.push(item)}
return this},getRandom:function(){return this[$random(0,this.length-1)]||null},getLast:function(){return this[this.length-1]||null}});Array.prototype.each=Array.prototype.forEach;Array.each=Array.forEach;
function $A(array){return Array.copy(array)}
function $each(iterable,fn,bind){if(iterable&&typeof iterable.length=="number"&&$type(iterable)!="object"){Array.forEach(iterable,fn,bind)} else{for(var name in iterable){fn.call(bind||iterable,iterable[name],name)}}}
Array.prototype.test=Array.prototype.contains;String.extend({test:function(regex,params){return(($type(regex)=="string")?new RegExp(regex,params):regex).test(this)},toInt:function(){return parseInt(this,10)},toFloat:function(){return parseFloat(this)},camelCase:function(){return this.replace(/-\D/g, function(match){return match.charAt(1).toUpperCase()})},hyphenate:function(){return this.replace(/\w[A-Z]/g, function(match){return(match.charAt(0)+"-"+match.charAt(1).toLowerCase())})},capitalize:function(){return this.replace(/\b[a-z]/g, function(match){return match.toUpperCase()})},trim:function(){return this.replace(/^\s+|\s+$/g,"")},clean:function(){return this.replace(/\s{2,}/g," ").trim()},rgbToHex:function(array){var rgb=this.match(/\d{1,3}/g);return(rgb)?rgb.rgbToHex(array):false},hexToRgb:function(array){var hex=this.match(/^#?(\w{1,2})(\w{1,2})(\w{1,2})$/);return(hex)?hex.slice(1).hexToRgb(array):false},contains:function(string,s){return(s)?(s+this+s).indexOf(s+string+s)>-1:this.indexOf(string)>-1},escapeRegExp:function(){return this.replace(/([.*+?^${}()|[\]\/\\])/g,"\\$1")}});Array.extend({rgbToHex:function(array){if(this.length<3){return false}
if(this.length==4&&this[3]==0&&!array){return "transparent"}
var hex=[];for(var i=0;i<3;i++){var bit=(this[i]-0).toString(16);hex.push((bit.length==1)?"0"+bit:bit)}
return array?hex:"#"+hex.join("")},hexToRgb:function(array){if(this.length!=3){return false}
var rgb=[];for(var i=0;i<3;i++){rgb.push(parseInt((this[i].length==1)?this[i]+this[i]:this[i],16))}
return array?rgb:"rgb("+rgb.join(",")+")"}});Function.extend({create:function(options){var fn=this;options=$merge({"bind":fn,"event":false,"arguments":null,"delay":false,"periodical":false,"attempt":false},options);if($chk(options.arguments)&&$type(options.arguments)!="array"){options.arguments=[options.arguments]}
return function(event){var args;if(options.event){event=event||window.event;args=[(options.event===true)?event:new options.event(event)];if(options.arguments){args.extend(options.arguments)}} else{args=options.arguments||arguments}
var returns=function(){return fn.apply($pick(options.bind,fn),args)};if(options.delay){return setTimeout(returns,options.delay)}
if(options.periodical){return setInterval(returns,options.periodical)}
if(options.attempt){try{return returns()}
catch(err){return false}}
return returns()}},pass:function(args,bind){return this.create({"arguments":args,"bind":bind})},attempt:function(args,bind){return this.create({"arguments":args,"bind":bind,"attempt":true})()},bind:function(bind,args){return this.create({"bind":bind,"arguments":args})},bindAsEventListener:function(bind,args){return this.create({"bind":bind,"event":true,"arguments":args})},delay:function(delay,bind,args){return this.create({"delay":delay,"bind":bind,"arguments":args})()},periodical:function(interval,bind,args){return this.create({"periodical":interval,"bind":bind,"arguments":args})()}});Number.extend({toInt:function(){return parseInt(this)},toFloat:function(){return parseFloat(this)},limit:function(min,max){return Math.min(max,Math.max(min,this))},round:function(precision){precision=Math.pow(10,precision||0);return Math.round(this * precision)/precision},times:function(fn){for(var i=0;i<this;i++){fn(i)}}});var Element=new Class({initialize:function(el,props){if($type(el)=="string"){if(window.ie&&props&&(props.name||props.type)){var name=(props.name)?" name=\""+props.name+"\"":"";var type=(props.type)?" type=\""+props.type+"\"":"";delete props.name;delete props.type;el="<"+el+name+type+">"}
el=document.createElement(el)}
el=$(el);return(!props||!el)?el:el.set(props)}});var Elements=new Class({initialize:function(elements){return(elements)?$extend(elements,this):this}});Elements.extend=function(props){for(var prop in props){this.prototype[prop]=props[prop];this[prop]=$native.generic(prop)}};
function $(el){if(!el){return null}
if(el.htmlElement){return Garbage.collect(el)}
if([window,document].contains(el)){return el}
var type=$type(el);if(type=="string"){el=document.getElementById(el);type=(el)?"element":false}
if(type!="element"){return null}
if(el.htmlElement){return Garbage.collect(el)}
if(["object","embed"].contains(el.tagName.toLowerCase())){return el}
$extend(el,Element.prototype);el.htmlElement=function(){};return Garbage.collect(el)}
document.getElementsBySelector=document.getElementsByTagName;
function $$(){var elements=[];for(var i=0,j=arguments.length;i<j;i++){var selector=arguments[i];switch($type(selector)){case "element":elements.push(selector);case "boolean":break;case false:break;case "string":selector=document.getElementsBySelector(selector,true);default:elements.extend(selector)}}
return $$.unique(elements)}
$$.unique=function(array){var elements=[];for(var i=0,l=array.length;i<l;i++){if(array[i].$included){continue}
var element=$(array[i]);if(element&&!element.$included){element.$included=true;elements.push(element)}}
for(var n=0,d=elements.length;n<d;n++){elements[n].$included=null}
return new Elements(elements)};Elements.Multi=function(property){return function(){var args=arguments;var items=[];var elements=true;for(var i=0,j=this.length,returns;i<j;i++){returns=this[i][property].apply(this[i],args);if($type(returns)!="element"){elements=false}
items.push(returns)}
return(elements)?$$.unique(items):items}};Element.extend=function(properties){for(var property in properties){HTMLElement.prototype[property]=properties[property];Element.prototype[property]=properties[property];Element[property]=$native.generic(property);var elementsProperty=(Array.prototype[property])?property+"Elements":property;Elements.prototype[elementsProperty]=Elements.Multi(property)}};Element.extend({set:function(props){for(var prop in props){var val=props[prop];switch(prop){case "styles":this.setStyles(val);break;case "events":if(this.addEvents){this.addEvents(val)}
break;case "properties":this.setProperties(val);break;default:this.setProperty(prop,val)}}
return this},inject:function(el,where){el=$(el);switch(where){case "before":el.parentNode.insertBefore(this,el);break;case "after":var next=el.getNext();if(!next){el.parentNode.appendChild(this)} else{el.parentNode.insertBefore(this,next)}
break;case "top":var first=el.firstChild;if(first){el.insertBefore(this,first);break}
default:el.appendChild(this)}
return this},injectBefore:function(el){return this.inject(el,"before")},injectAfter:function(el){return this.inject(el,"after")},injectInside:function(el){return this.inject(el,"bottom")},injectTop:function(el){return this.inject(el,"top")},adopt:function(){var elements=[];$each(arguments, function(argument){elements=elements.concat(argument)});$$(elements).inject(this);return this},remove:function(){return this.parentNode.removeChild(this)},clone:function(contents){var el=$(this.cloneNode(contents!==false));if(!el.$events){return el}
el.$events={};for(var type in this.$events){el.$events[type]={"keys":$A(this.$events[type].keys),"values":$A(this.$events[type].values)}}
return el.removeEvents()},replaceWith:function(el){el=$(el);this.parentNode.replaceChild(el,this);return el},appendText:function(text){this.appendChild(document.createTextNode(text));return this},hasClass:function(className){return this.className.contains(className," ")},addClass:function(className){if(!this.hasClass(className)){this.className=(this.className+" "+className).clean()}
return this},removeClass:function(className){this.className=this.className.replace(new RegExp("(^|\\s)"+className+"(?:\\s|$)"),"$1").clean();return this},toggleClass:function(className){return this.hasClass(className)?this.removeClass(className):this.addClass(className)},setStyle:function(property,value){switch(property){case "opacity":return this.setOpacity(parseFloat(value));case "float":property=(window.ie)?"styleFloat":"cssFloat";case "height":if(isNaN(value)) value=500;case "width":if(isNaN(value)) value=740}
property=property.camelCase();switch($type(value)){case "number":if(!["zIndex","zoom"].contains(property)){value+="px"}
break;case "array":value="rgb("+value.join(",")+")"}
this.style[property]=value;return this},setStyles:function(source){switch($type(source)){case "object":Element.setMany(this,"setStyle",source);break;case "string":this.style.cssText=source}
return this},setOpacity:function(opacity){if(opacity==0){if(this.style.visibility!="hidden"){this.style.visibility="hidden"}} else{if(this.style.visibility!="visible"){this.style.visibility="visible"}}
if(!this.currentStyle||!this.currentStyle.hasLayout){this.style.zoom=1}
if(window.ie){this.style.filter=(opacity==1)?"":"alpha(opacity="+opacity * 100+")"}
this.style.opacity=this.$tmp.opacity=opacity;return this},getStyle:function(property){property=property.camelCase();var result=this.style[property];if(!$chk(result)){if(property=="opacity"){return this.$tmp.opacity}
result=[];for(var style in Element.Styles){if(property==style){Element.Styles[style].each(function(s){var style=this.getStyle(s);result.push(parseInt(style)?style:"0px")},this);if(property=="border"){var every=result.every(function(bit){return(bit==result[0])});return(every)?result[0]:false}
return result.join(" ")}}
if(property.contains("border")){if(Element.Styles.border.contains(property)){return ["Width","Style","Color"].map(function(p){return this.getStyle(property+p)},this).join(" ")} else{if(Element.borderShort.contains(property)){return ["Top","Right","Bottom","Left"].map(function(p){return this.getStyle("border"+p+property.replace("border",""))},this).join(" ")}}}
if(document.defaultView){result=document.defaultView.getComputedStyle(this,null).getPropertyValue(property.hyphenate())} else{if(this.currentStyle){result=this.currentStyle[property]}}}
if(window.ie){result=Element.fixStyle(property,result,this)}
if(result&&property.test(/color/i)&&result.contains("rgb")){return result.split("rgb").splice(1,4).map(function(color){return color.rgbToHex()}).join(" ")}
return result},getStyles:function(){return Element.getMany(this,"getStyle",arguments)},walk:function(brother,start){brother+="Sibling";var el=(start)?this[start]:this[brother];while(el&&$type(el)!="element"){el=el[brother]}
return $(el)},getPrevious:function(){return this.walk("previous")},getNext:function(){return this.walk("next")},getFirst:function(){return this.walk("next","firstChild")},getLast:function(){return this.walk("previous","lastChild")},getParent:function(){return $(this.parentNode)},getChildren:function(){return $$(this.childNodes)},hasChild:function(el){return!!$A(this.getElementsByTagName("*")).contains(el)},getProperty:function(property){var index=Element.Properties[property];if(index){return this[index]}
var flag=Element.PropertiesIFlag[property]||0;if(!window.ie||flag){return this.getAttribute(property,flag)}
var node=this.attributes[property];return(node)?node.nodeValue:null},removeProperty:function(property){var index=Element.Properties[property];if(index){this[index]=""} else{this.removeAttribute(property)}
return this},getProperties:function(){return Element.getMany(this,"getProperty",arguments)},setProperty:function(property,value){var index=Element.Properties[property];if(index){this[index]=value} else{this.setAttribute(property,value)}
return this},setProperties:function(source){return Element.setMany(this,"setProperty",source)},setHTML:function(){this.innerHTML=$A(arguments).join("");return this},setText:function(text){var tag=this.getTag();if(["style","script"].contains(tag)){if(window.ie){if(tag=="style"){this.styleSheet.cssText=text} else{if(tag=="script"){this.setProperty("text",text)}}
return this} else{this.removeChild(this.firstChild);return this.appendText(text)}}
this[$defined(this.innerText)?"innerText":"textContent"]=text;return this},getText:function(){var tag=this.getTag();if(["style","script"].contains(tag)){if(window.ie){if(tag=="style"){return this.styleSheet.cssText} else{if(tag=="script"){return this.getProperty("text")}}} else{return this.innerHTML}}
return($pick(this.innerText,this.textContent))},getTag:function(){return this.tagName.toLowerCase()},empty:function(){Garbage.trash(this.getElementsByTagName("*"));return this.setHTML("")}});Element.fixStyle=function(property,result,element){if($chk(parseInt(result))){return result}
if(["height","width"].contains(property)){var values=(property=="width")?["left","right"]:["top","bottom"];var size=0;values.each(function(value){size+=element.getStyle("border-"+value+"-width").toInt()+element.getStyle("padding-"+value).toInt()});return element["offset"+property.capitalize()]-size+"px"} else{if(property.test(/border(.+)Width|margin|padding/)){return "0px"}}
return result};Element.Styles={"border":[],"padding":[],"margin":[]};["Top","Right","Bottom","Left"].each(function(direction){for(var style in Element.Styles){Element.Styles[style].push(style+direction)}});Element.borderShort=["borderWidth","borderStyle","borderColor"];Element.getMany=function(el,method,keys){var result={};$each(keys, function(key){result[key]=el[method](key)});return result};Element.setMany=function(el,method,pairs){for(var key in pairs){el[method](key,pairs[key])}
return el};Element.Properties=new Abstract({"class":"className","for":"htmlFor","colspan":"colSpan","rowspan":"rowSpan","accesskey":"accessKey","tabindex":"tabIndex","maxlength":"maxLength","readonly":"readOnly","frameborder":"frameBorder","value":"value","disabled":"disabled","checked":"checked","multiple":"multiple","selected":"selected"});Element.PropertiesIFlag={"href":2,"src":2};Element.Methods={Listeners:{addListener:function(type,fn){if(this.addEventListener){this.addEventListener(type,fn,false)} else{this.attachEvent("on"+type,fn)}
return this},removeListener:function(type,fn){if(this.removeEventListener){this.removeEventListener(type,fn,false)} else{this.detachEvent("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.$events[type].values.splice(pos,1)[0];var custom=Element.Events[type];if(custom){if(custom.remove){custom.remove.call(this,fn)}
if(custom.type){type=custom.type}}
return(Element.NativeEvents.contains(type))?this.removeListener(type,value):this},addEvents:function(source){return Element.setMany(this,"addEvent",source)},removeEvents:function(type){if(!this.$events){return this}
if(!type){for(var evType in this.$events){this.removeEvents(evType)}
this.$events=null} else{if(this.$events[type]){this.$events[type].keys.each(function(fn){this.removeEvent(type,fn)},this);this.$events[type]=null}}
return this},fireEvent:function(type,args,delay){if(this.$events&&this.$events[type]){this.$events[type].keys.each(function(fn){fn.create({"bind":this,"delay":delay,"arguments":args})()},this)}
return this},cloneEvents:function(from,type){if(!from.$events){return this}
if(!type){for(var evType in from.$events){this.cloneEvents(from,evType)}} else{if(from.$events[type]){from.$events[type].keys.each(function(fn){this.addEvent(type,fn)},this)}}
return this}};window.extend(Element.Methods.Events);document.extend(Element.Methods.Events);Element.extend(Element.Methods.Events);Element.Events=new Abstract({"mouseenter":{type:"mouseover",map:function(event){event=new Event(event);if(event.relatedTarget!=this&&!this.hasChild(event.relatedTarget)){this.fireEvent("mouseenter",event)}}},"mouseleave":{type:"mouseout",map:function(event){event=new Event(event);if(event.relatedTarget!=this&&!this.hasChild(event.relatedTarget)){this.fireEvent("mouseleave",event)}}},"mousewheel":{type:(window.gecko)?"DOMMouseScroll":"mousewheel"}});Element.NativeEvents=["click","dblclick","mouseup","mousedown","mousewheel","DOMMouseScroll","mouseover","mouseout","mousemove","keydown","keypress","keyup","load","unload","beforeunload","resize","move","focus","blur","change","submit","reset","select","error","abort","contextmenu","scroll"];Function.extend({bindWithEvent:function(bind,args){return this.create({"bind":bind,"arguments":args,"event":Event})}});Elements.extend({filterByTag:function(tag){return new Elements(this.filter(function(el){return(Element.getTag(el)==tag)}))},filterByClass:function(className,nocash){var elements=this.filter(function(el){return(el.className&&el.className.contains(className," "))});return(nocash)?elements:new Elements(elements)},filterById:function(id,nocash){var elements=this.filter(function(el){return(el.id==id)});return(nocash)?elements:new Elements(elements)},filterByAttribute:function(name,operator,value,nocash){var elements=this.filter(function(el){var current=Element.getProperty(el,name);if(!current){return false}
if(!operator){return true}
switch(operator){case "=":return(current==value);case "*=":return(current.contains(value));case "^=":return(current.substr(0,value.length)==value);case "$=":return(current.substr(current.length-value.length)==value);case "!=":return(current!=value);case "~=":return current.contains(value," ")}
return false});return(nocash)?elements:new Elements(elements)}});
function $E(selector,filter){return($(filter)||document).getElement(selector)}
function $ES(selector,filter){return($(filter)||document).getElementsBySelector(selector)}
$$.shared={"regexp":/^(\w*|\*)(?:#([\w-]+)|\.([\w-]+))?(?:\[(\w+)(?:([!*^$]?=)["']?([^"'\]]*)["']?)?])?$/,"xpath":{getParam:function(items,context,param,i){var temp=[context.namespaceURI?"xhtml:":"",param[1]];if(param[2]){temp.push("[@id=\"",param[2],"\"]")}
if(param[3]){temp.push("[contains(concat(\" \", @class, \" \"), \" ",param[3]," \")]")}
if(param[4]){if(param[5]&&param[6]){switch(param[5]){case "*=":temp.push("[contains(@",param[4],", \"",param[6],"\")]");break;case "^=":temp.push("[starts-with(@",param[4],", \"",param[6],"\")]");break;case "$=":temp.push("[substring(@",param[4],", string-length(@",param[4],") - ",param[6].length," + 1) = \"",param[6],"\"]");break;case "=":temp.push("[@",param[4],"=\"",param[6],"\"]");break;case "!=":temp.push("[@",param[4],"!=\"",param[6],"\"]")}} else{temp.push("[@",param[4],"]")}}
items.push(temp.join(""));return items},getItems:function(items,context,nocash){var elements=[];var xpath=document.evaluate(".//"+items.join("//"),context,$$.shared.resolver,XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE,null);for(var i=0,j=xpath.snapshotLength;i<j;i++){elements.push(xpath.snapshotItem(i))}
return(nocash)?elements:new Elements(elements.map($))}},"normal":{getParam:function(items,context,param,i){if(i==0){if(param[2]){var el=context.getElementById(param[2]);if(!el||((param[1]!="*")&&(Element.getTag(el)!=param[1]))){return false}
items=[el]} else{items=$A(context.getElementsByTagName(param[1]))}} else{items=$$.shared.getElementsByTagName(items,param[1]);if(param[2]){items=Elements.filterById(items,param[2],true)}}
if(param[3]){items=Elements.filterByClass(items,param[3],true)}
if(param[4]){items=Elements.filterByAttribute(items,param[4],param[5],param[6],true)}
return items},getItems:function(items,context,nocash){return(nocash)?items:$$.unique(items)}},resolver:function(prefix){return(prefix=="xhtml")?"http://www.w3.org/1999/xhtml":false},getElementsByTagName:function(context,tagName){var found=[];for(var i=0,j=context.length;i<j;i++){found.extend(context[i].getElementsByTagName(tagName))}
return found}};$$.shared.method=(window.xpath)?"xpath":"normal";Element.Methods.Dom={getElements:function(selector,nocash){var items=[];selector=selector.trim().split(" ");for(var i=0,j=selector.length;i<j;i++){var sel=selector[i];var param=sel.match($$.shared.regexp);if(!param){break}
param[1]=param[1]||"*";var temp=$$.shared[$$.shared.method].getParam(items,this,param,i);if(!temp){break}
items=temp}
return $$.shared[$$.shared.method].getItems(items,this,nocash)},getElement:function(selector){return $(this.getElements(selector,true)[0]||false)},getElementsBySelector:function(selector,nocash){var elements=[];selector=selector.split(",");for(var i=0,j=selector.length;i<j;i++){elements=elements.concat(this.getElements(selector[i],true))}
return(nocash)?elements:$$.unique(elements)}};Element.extend({getElementById:function(id){var el=document.getElementById(id);if(!el){return false}
for(var parent=el.parentNode;parent!=this;parent=parent.parentNode){if(!parent){return false}}
return el},getElementsByClassName:function(className){return this.getElements("."+className)}});document.extend(Element.Methods.Dom);Element.extend(Element.Methods.Dom);Element.extend({scrollTo:function(x,y){this.scrollLeft=x;this.scrollTop=y},getSize:function(){return{"scroll":{"x":this.scrollLeft,"y":this.scrollTop},"size":{"x":this.offsetWidth,"y":this.offsetHeight},"scrollSize":{"x":this.scrollWidth,"y":this.scrollHeight}}},getPosition:function(overflown){overflown=overflown||[];var el=this,left=0,top=0;do{left+=el.offsetLeft||0;top+=el.offsetTop||0;el=el.offsetParent} while(el);overflown.each(function(element){left-=element.scrollLeft||0;top-=element.scrollTop||0});return{"x":left,"y":top}},getTop:function(overflown){return this.getPosition(overflown).y},getLeft:function(overflown){return this.getPosition(overflown).x},getCoordinates:function(overflown){var position=this.getPosition(overflown);var obj={"width":this.offsetWidth,"height":this.offsetHeight,"left":position.x,"top":position.y};obj.right=obj.left+obj.width;obj.bottom=obj.top+obj.height;return obj}});var Fx={};Fx.Base=new Class({options:{onStart:Class.empty,onComplete:Class.empty,onCancel:Class.empty,transition:function(p){return-(Math.cos(Math.PI * p)-1)/2},duration:500,unit:"px",wait:true,fps:50},initialize:function(options){this.element=this.element||null;this.setOptions(options);if(this.options.initialize){this.options.initialize.call(this)}},step:function(){var time=$time();if(time<this.time+this.options.duration){this.delta=this.options.transition((time-this.time)/this.options.duration);this.setNow();this.increase()} else{this.stop(true);this.set(this.to);this.fireEvent("onComplete",this.element,10);this.callChain()}},set:function(to){this.now=to;this.increase();return this},setNow:function(){this.now=this.compute(this.from,this.to)},compute:function(from,to){return(to-from) * this.delta+from},start:function(from,to){if(!this.options.wait){this.stop()} else{if(this.timer){return this}}
this.from=from;this.to=to;this.change=this.to-this.from;this.time=$time();this.timer=this.step.periodical(Math.round(1000/this.options.fps),this);this.fireEvent("onStart",this.element);return this},stop:function(end){if(!this.timer){return this}
this.timer=$clear(this.timer);if(!end){this.fireEvent("onCancel",this.element)}
return this},custom:function(from,to){return this.start(from,to)},clearTimer:function(end){return this.stop(end)}});Fx.Base.implement(new Chain,new Events,new Options);Fx.CSS={select:function(property,to){if(property.test(/color/i)){return this.Color}
var type=$type(to);if((type=="array")||(type=="string"&&to.contains(" "))){return this.Multi}
return this.Single},parse:function(el,property,fromTo){if(!fromTo.push){fromTo=[fromTo]}
var from=fromTo[0],to=fromTo[1];if(!$chk(to)){to=from;from=el.getStyle(property)}
var css=this.select(property,to);return{"from":css.parse(from),"to":css.parse(to),"css":css}}};Fx.CSS.Single={parse:function(value){return parseFloat(value)},getNow:function(from,to,fx){return fx.compute(from,to)},getValue:function(value,unit,property){if(unit=="px"&&property!="opacity"){value=Math.round(value)}
return value+unit}};Fx.CSS.Multi={parse:function(value){return value.push?value:value.split(" ").map(function(v){return parseFloat(v)})},getNow:function(from,to,fx){var now=[];for(var i=0;i<from.length;i++){now[i]=fx.compute(from[i],to[i])}
return now},getValue:function(value,unit,property){if(unit=="px"&&property!="opacity"){value=value.map(Math.round)}
return value.join(unit+" ")+unit}};Fx.CSS.Color={parse:function(value){return value.push?value:value.hexToRgb(true)},getNow:function(from,to,fx){var now=[];for(var i=0;i<from.length;i++){now[i]=Math.round(fx.compute(from[i],to[i]))}
return now},getValue:function(value){return "rgb("+value.join(",")+")"}};Fx.Style=Fx.Base.extend({initialize:function(el,property,options){this.element=$(el);this.property=property;this.parent(options)},hide:function(){return this.set(0)},setNow:function(){this.now=this.css.getNow(this.from,this.to,this)},set:function(to){this.css=Fx.CSS.select(this.property,to);return this.parent(this.css.parse(to))},start:function(from,to){if(this.timer&&this.options.wait){return this}
var parsed=Fx.CSS.parse(this.element,this.property,[from,to]);this.css=parsed.css;return this.parent(parsed.from,parsed.to)},increase:function(){this.element.setStyle(this.property,this.css.getValue(this.now,this.options.unit,this.property))}});Element.extend({effect:function(property,options){return new Fx.Style(this,property,options)}});Fx.Styles=Fx.Base.extend({initialize:function(el,options){this.element=$(el);this.parent(options)},setNow:function(){for(var p in this.from){this.now[p]=this.css[p].getNow(this.from[p],this.to[p],this)}},set:function(to){var parsed={};this.css={};for(var p in to){this.css[p]=Fx.CSS.select(p,to[p]);parsed[p]=this.css[p].parse(to[p])}
return this.parent(parsed)},start:function(obj){if(this.timer&&this.options.wait){return this}
this.now={};this.css={};var from={},to={};for(var p in obj){var parsed=Fx.CSS.parse(this.element,p,obj[p]);from[p]=parsed.from;to[p]=parsed.to;this.css[p]=parsed.css}
return this.parent(from,to)},increase:function(){for(var p in this.now){this.element.setStyle(p,this.css[p].getValue(this.now[p],this.options.unit,p))}}});Element.extend({effects:function(options){return new Fx.Styles(this,options)}});Fx.Elements=Fx.Base.extend({initialize:function(elements,options){this.elements=$$(elements);this.parent(options)},setNow:function(){for(var i in this.from){var iFrom=this.from[i],iTo=this.to[i],iCss=this.css[i],iNow=this.now[i]={};for(var p in iFrom){iNow[p]=iCss[p].getNow(iFrom[p],iTo[p],this)}}},set:function(to){var parsed={};this.css={};for(var i in to){var iTo=to[i],iCss=this.css[i]={},iParsed=parsed[i]={};for(var p in iTo){iCss[p]=Fx.CSS.select(p,iTo[p]);iParsed[p]=iCss[p].parse(iTo[p])}}
return this.parent(parsed)},start:function(obj){if(this.timer&&this.options.wait){return this}
this.now={};this.css={};var from={},to={};for(var i in obj){var iProps=obj[i],iFrom=from[i]={},iTo=to[i]={},iCss=this.css[i]={};for(var p in iProps){var parsed=Fx.CSS.parse(this.elements[i],p,iProps[p]);iFrom[p]=parsed.from;iTo[p]=parsed.to;iCss[p]=parsed.css}}
return this.parent(from,to)},increase:function(){for(var i in this.now){var iNow=this.now[i],iCss=this.css[i];for(var p in iNow){this.elements[i].setStyle(p,iCss[p].getValue(iNow[p],this.options.unit,p))}}}});Fx.Transition=function(transition,params){params=params||[];if($type(params)!="array"){params=[params]}
return $extend(transition,{easeIn:function(pos){return transition(pos,params)},easeOut:function(pos){return 1-transition(1-pos,params)},easeInOut:function(pos){return(pos<=0.5)?transition(2 * pos,params)/ 2 : (2 - transition(2 * (1 - pos), params)) / 2}})};Fx.Transitions=new Abstract({linear:function(p){return p}});Fx.Transitions.extend=function(transitions){for(var transition in transitions){Fx.Transitions[transition]=new Fx.Transition(transitions[transition]);Fx.Transitions.compat(transition)}};Fx.Transitions.compat=function(transition){["In","Out","InOut"].each(function(easeType){Fx.Transitions[transition.toLowerCase()+easeType]=Fx.Transitions[transition]["ease"+easeType]})};Fx.Transitions.extend({Pow:function(p,x){return Math.pow(p,x[0]||6)},Expo:function(p){return Math.pow(2,8 *(p-1))},Circ:function(p){return 1-Math.sin(Math.acos(p))},Sine:function(p){return 1-Math.sin((1-p) * Math.PI/2)},Back:function(p,x){x=x[0]||1.618;return Math.pow(p,2) *((x+1) * p-x)},Bounce:function(p){var value;for(var a=0,b=1;1;a+=b,b/=2){if(p>=(7-4 * a)/11){value=-Math.pow((11-6 * a-11 * p)/4,2)+b * b;break}}
return value},Elastic:function(p,x){return Math.pow(2,10 *--p) * Math.cos(20 * p * Math.PI *(x[0]||1)/3)}});["Quad","Cubic","Quart","Quint"].each(function(transition,i){Fx.Transitions[transition]=new Fx.Transition(function(p){return Math.pow(p,[i+2])});Fx.Transitions.compat(transition)});
