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d=Element.Events[c];if(d){if(d.add){d.add.call(this,b)}if(d.map){b=d.map}if(d.type){a=d.type}}if(!this.addEventListener){b=b.create({bind:this,event:true})}this.$events[c].values.push(b);return(Element.NativeEvents.contains(a))?this.addListener(a,b):this},removeEvent:function(c,b){if(!this.$events||!this.$events[c]){return this}var g=this.$events[c].keys.indexOf(b);if(g==-1){return this}var a=this.$events[c].keys.splice(g,1)[0];var f=this.$events[c].values.splice(g,1)[0];var d=Element.Events[c];if(d){if(d.remove){d.remove.call(this,b)}if(d.type){c=d.type}}return(Element.NativeEvents.contains(c))?this.removeListener(c,f):this},addEvents:function(a){return Element.setMany(this,"addEvent",a)},removeEvents:function(a){if(!this.$events){return this}if(!a){for(var b in this.$events){this.removeEvents(b)}this.$events=null}else{if(this.$events[a]){this.$events[a].keys.each(function(c){this.removeEvent(a,c)},this);this.$events[a]=null}}return this},fireEvent:function(c,b,a){if(this.$events&&this.$events[c]){this.$events[c].keys.each(function(d){d.create({bind:this,delay:a,"arguments":b})()},this)}return this},cloneEvents:function(c,a){if(!c.$events){return this}if(!a){for(var b in c.$events){this.cloneEvents(c,b)}}else{if(c.$events[a]){c.$events[a].keys.each(function(d){this.addEvent(a,d)},this)}}return this}};window.extend(Element.Methods.Events);document.extend(Element.Methods.Events);Element.extend(Element.Methods.Events);Element.Events=new Abstract({mouseenter:{type:"mouseover",map:function(a){a=new Event(a);if(a.relatedTarget!=this&&!this.hasChild(a.relatedTarget)){this.fireEvent("mouseenter",a)}}},mouseleave:{type:"mouseout",map:function(a){a=new Event(a);if(a.relatedTarget!=this&&!this.hasChild(a.relatedTarget)){this.fireEvent("mouseleave",a)}}},mousewheel:{type:(window.gecko)?"DOMMouseScroll":"mousewheel"}});Element.NativeEvents=["click","dblclick","mouseup","mousedown","mousewheel","DOMMouseScroll","mouseover","mouseout","mousemove","keydown","keypress","keyup","load","unload","beforeunload","resize","move","focus","blur","change","submit","reset","select","error","abort","contextmenu","scroll"];Function.extend({bindWithEvent:function(b,a){return this.create({bind:b,"arguments":a,event:Event})}});Element.extend({getValue:function(){switch(this.getTag()){case"select":var a=[];$each(this.options,function(b){if(b.selected){a.push($pick(b.value,b.text))}});return(this.multiple)?a:a[0];case"input":if(!(this.checked&&["checkbox","radio"].contains(this.type))&&!["hidden","text","password"].contains(this.type)){break}case"textarea":return this.value}return false},getFormElements:function(){return $$(this.getElementsByTagName("input"),this.getElementsByTagName("select"),this.getElementsByTagName("textarea"))},toQueryString:function(){var a=[];this.getFormElements().each(function(d){var c=d.name;var f=d.getValue();if(f===false||!c||d.disabled){return}var b=function(g){a.push(c+"="+encodeURIComponent(g))};if($type(f)=="array"){f.each(b)}else{b(f)}});return a.join("&")}});var XHR=new Class({options:{method:"post",async:true,onRequest:Class.empty,onSuccess:Class.empty,onFailure:Class.empty,urlEncoded:true,encoding:"utf-8",autoCancel:false,headers:{}},setTransport:function(){this.transport=(window.XMLHttpRequest)?new XMLHttpRequest():(window.ie?new ActiveXObject("Microsoft.XMLHTTP"):false);return this},initialize:function(a){this.setTransport().setOptions(a);this.options.isSuccess=this.options.isSuccess||this.isSuccess;this.headers={};if(this.options.urlEncoded&&this.options.method=="post"){var b=(this.options.encoding)?"; charset="+this.options.encoding:"";this.setHeader("Content-type","application/x-www-form-urlencoded"+b)}if(this.options.initialize){this.options.initialize.call(this)}},onStateChange:function(){if(this.transport.readyState!=4||!this.running){return}this.running=false;var a=0;try{a=this.transport.status}catch(b){}if(this.options.isSuccess.call(this,a)){this.onSuccess()}else{this.onFailure()}this.transport.onreadystatechange=Class.empty},isSuccess:function(a){return((a>=200)&&(a<300))},onSuccess:function(){this.response={text:this.transport.responseText,xml:this.transport.responseXML};this.fireEvent("onSuccess",[this.response.text,this.response.xml]);this.callChain()},onFailure:function(){this.fireEvent("onFailure",this.transport)},setHeader:function(a,b){this.headers[a]=b;return this},send:function(a,c){if(this.options.autoCancel){this.cancel()}else{if(this.running){return this}}this.running=true;if(c&&this.options.method=="get"){a=a+(a.contains("?")?"&":"?")+c;c=null}this.transport.open(this.options.method.toUpperCase(),a,this.options.async);this.transport.onreadystatechange=this.onStateChange.bind(this);if((this.options.method=="post")&&this.transport.overrideMimeType){this.setHeader("Connection","close")}$extend(this.headers,this.options.headers);for(var b in this.headers){try{this.transport.setRequestHeader(b,this.headers[b])}catch(d){}}this.fireEvent("onRequest");this.transport.send($pick(c,null));return this},cancel:function(){if(!this.running){return this}this.running=false;this.transport.abort();this.transport.onreadystatechange=Class.empty;this.setTransport();this.fireEvent("onCancel");return this}});XHR.implement(new Chain,new Events,new Options);var Ajax=XHR.extend({options:{data:null,update:null,onComplete:Class.empty,evalScripts:false,evalResponse:false},initialize:function(b,a){this.addEvent("onSuccess",this.onComplete);this.setOptions(a);this.options.data=this.options.data||this.options.postBody;if(!["post","get"].contains(this.options.method)){this._method="_method="+this.options.method;this.options.method="post"}this.parent();this.setHeader("X-Requested-With","XMLHttpRequest");this.setHeader("Accept","text/javascript, text/html, application/xml, text/xml, */*");this.url=b},onComplete:function(){if(this.options.update){$(this.options.update).empty().setHTML(this.response.text)}if(this.options.evalScripts||this.options.evalResponse){this.evalScripts()}this.fireEvent("onComplete",[this.response.text,this.response.xml],20)},request:function(a){a=a||this.options.data;switch($type(a)){case"element":a=$(a).toQueryString();break;case"object":a=Object.toQueryString(a)}if(this._method){a=(a)?[this._method,a].join("&"):this._method}return this.send(this.url,a)},evalScripts:function(){var b,a;if(this.options.evalResponse||(/(ecma|java)script/).test(this.getHeader("Content-type"))){a=this.response.text}else{a=[];var c=/<script[^>]*>([\s\S]*?)<\/script>/gi;while((b=c.exec(this.response.text))){a.push(b[1])}a=a.join("\n")}if(a){(window.execScript)?window.execScript(a):window.setTimeout(a,0)}},getHeader:function(a){try{return this.transport.getResponseHeader(a)}catch(b){}return null}});Object.toQueryString=function(b){var c=[];for(var a in b){c.push(encodeURIComponent(a)+"="+encodeURIComponent(b[a]))}return c.join("&")};Element.extend({send:function(a){return new Ajax(this.getProperty("action"),$merge({data:this.toQueryString()},a,{method:"post"})).request()}});