var Prototype={Version:"1.5.1",Browser:{IE:!!(window.attachEvent&&!window.opera),Opera:!!window.opera,WebKit:navigator.userAgent.indexOf("AppleWebKit/")>-1,Gecko:navigator.userAgent.indexOf("Gecko")>-1&&navigator.userAgent.indexOf("KHTML")==-1},BrowserFeatures:{XPath:!!document.evaluate,ElementExtensions:!!window.HTMLElement,SpecificElementExtensions:document.createElement("div").__proto__!==document.createElement("form").__proto__},ScriptFragment:"<script[^>]*>([\u0001-\uffff]*?)<\/script>",JSONFilter:/^\/\*-secure-\s*(.*)\s*\*\/\s*$/, emptyFunction:function(){},K:function(x){return x}};var Class={create:function(){return function(){this.initialize.apply(this,arguments)}}};var Abstract=new Object;Object.extend=function(destination,source){for(var property in source)destination[property]=source[property];return destination}; Object.extend(Object,{inspect:function(object){try{if(object===undefined)return"undefined";if(object===null)return"null";return object.inspect?object.inspect():object.toString()}catch(e){if(e instanceof RangeError)return"...";throw e;}},toJSON:function(object){var type=typeof object;switch(type){case "undefined":case "function":case "unknown":return;case "boolean":return object.toString()}if(object===null)return"null";if(object.toJSON)return object.toJSON();if(object.ownerDocument===document)return; var results=[];for(var property in object){var value=Object.toJSON(object[property]);if(value!==undefined)results.push(property.toJSON()+": "+value)}return"{"+results.join(", ")+"}"},keys:function(object){var keys=[];for(var property in object)keys.push(property);return keys},values:function(object){var values=[];for(var property in object)values.push(object[property]);return values},clone:function(object){return Object.extend({},object)}}); Function.prototype.bind=function(){var __method=this,args=$A(arguments),object=args.shift();return function(){return __method.apply(object,args.concat($A(arguments)))}};Function.prototype.bindAsEventListener=function(object){var __method=this,args=$A(arguments),object=args.shift();return function(event){return __method.apply(object,[event||window.event].concat(args))}}; Object.extend(Number.prototype,{toColorPart:function(){return this.toPaddedString(2,16)},succ:function(){return this+1},times:function(iterator){$R(0,this,true).each(iterator);return this},toPaddedString:function(length,radix){var string=this.toString(radix||10);return"0".times(length-string.length)+string},toJSON:function(){return isFinite(this)?this.toString():"null"}}); Date.prototype.toJSON=function(){return'"'+this.getFullYear()+"-"+(this.getMonth()+1).toPaddedString(2)+"-"+this.getDate().toPaddedString(2)+"T"+this.getHours().toPaddedString(2)+":"+this.getMinutes().toPaddedString(2)+":"+this.getSeconds().toPaddedString(2)+'"'};var Try={these:function(){var returnValue;for(var i=0,length=arguments.length;i<length;i++){var lambda=arguments[i];try{returnValue=lambda();break}catch(e){}}return returnValue}};var PeriodicalExecuter=Class.create(); PeriodicalExecuter.prototype={initialize:function(callback,frequency){this.callback=callback;this.frequency=frequency;this.currentlyExecuting=false;this.registerCallback()},registerCallback:function(){this.timer=setInterval(this.onTimerEvent.bind(this),this.frequency*1E3)},stop:function(){if(!this.timer)return;clearInterval(this.timer);this.timer=null},onTimerEvent:function(){if(!this.currentlyExecuting)try{this.currentlyExecuting=true;this.callback(this)}finally{this.currentlyExecuting=false}}}; Object.extend(String,{interpret:function(value){return value==null?"":String(value)},specialChar:{"\u0008":"\\b","\t":"\\t","\n":"\\n","\u000c":"\\f","\r":"\\r","\\":"\\\\"}}); Object.extend(String.prototype,{gsub:function(pattern,replacement){var result="",source=this,match;replacement=arguments.callee.prepareReplacement(replacement);while(source.length>0)if(match=source.match(pattern)){result+=source.slice(0,match.index);result+=String.interpret(replacement(match));source=source.slice(match.index+match[0].length)}else result+=source,source="";return result},sub:function(pattern,replacement,count){replacement=this.gsub.prepareReplacement(replacement);count=count===undefined? 1:count;return this.gsub(pattern,function(match){if(--count<0)return match[0];return replacement(match)})},scan:function(pattern,iterator){this.gsub(pattern,iterator);return this},truncate:function(length,truncation){length=length||30;truncation=truncation===undefined?"...":truncation;return this.length>length?this.slice(0,length-truncation.length)+truncation:this},strip:function(){return this.replace(/^\s+/,"").replace(/\s+$/,"")},stripTags:function(){return this.replace(/<\/?[^>]+>/gi,"")},stripScripts:function(){return this.replace(new RegExp(Prototype.ScriptFragment, "img"),"")},extractScripts:function(){var matchAll=new RegExp(Prototype.ScriptFragment,"img");var matchOne=new RegExp(Prototype.ScriptFragment,"im");return(this.match(matchAll)||[]).map(function(scriptTag){return(scriptTag.match(matchOne)||["",""])[1]})},evalScripts:function(){return this.extractScripts().map(function(script){return eval(script)})},escapeHTML:function(){var self=arguments.callee;self.text.data=this;return self.div.innerHTML},unescapeHTML:function(){var div=document.createElement("div"); div.innerHTML=this.stripTags();return div.childNodes[0]?div.childNodes.length>1?$A(div.childNodes).inject("",function(memo,node){return memo+node.nodeValue}):div.childNodes[0].nodeValue:""},toQueryParams:function(separator){var match=this.strip().match(/([^?#]*)(#.*)?$/);if(!match)return{};return match[1].split(separator||"&").inject({},function(hash,pair){if((pair=pair.split("="))[0]){var key=decodeURIComponent(pair.shift());var value=pair.length>1?pair.join("="):pair[0];if(value!=undefined)value= decodeURIComponent(value);if(key in hash){if(hash[key].constructor!=Array)hash[key]=[hash[key]];hash[key].push(value)}else hash[key]=value}return hash})},toArray:function(){return this.split("")},succ:function(){return this.slice(0,this.length-1)+String.fromCharCode(this.charCodeAt(this.length-1)+1)},times:function(count){var result="";for(var i=0;i<count;i++)result+=this;return result},camelize:function(){var parts=this.split("-"),len=parts.length;if(len==1)return parts[0];var camelized=this.charAt(0)== "-"?parts[0].charAt(0).toUpperCase()+parts[0].substring(1):parts[0];for(var i=1;i<len;i++)camelized+=parts[i].charAt(0).toUpperCase()+parts[i].substring(1);return camelized},capitalize:function(){return this.charAt(0).toUpperCase()+this.substring(1).toLowerCase()},underscore:function(){return this.gsub(/::/,"/").gsub(/([A-Z]+)([A-Z][a-z])/,"#{1}_#{2}").gsub(/([a-z\d])([A-Z])/,"#{1}_#{2}").gsub(/-/,"_").toLowerCase()},dasherize:function(){return this.gsub(/_/,"-")},inspect:function(useDoubleQuotes){var escapedString= this.gsub(/[\x00-\x1f\\]/,function(match){var character=String.specialChar[match[0]];return character?character:"\\u00"+match[0].charCodeAt().toPaddedString(2,16)});if(useDoubleQuotes)return'"'+escapedString.replace(/"/g,'\\"')+'"';return"'"+escapedString.replace(/'/g,"\\'")+"'"},toJSON:function(){return this.inspect(true)},unfilterJSON:function(filter){return this.sub(filter||Prototype.JSONFilter,"#{1}")},evalJSON:function(sanitize){var json=this.unfilterJSON();try{if(!sanitize||/^("(\\.|[^"\\\n\r])*?"|[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t])+?$/.test(json))return eval("("+ json+")")}catch(e){}throw new SyntaxError("Badly formed JSON string: "+this.inspect());},include:function(pattern){return this.indexOf(pattern)>-1},startsWith:function(pattern){return this.indexOf(pattern)===0},endsWith:function(pattern){var d=this.length-pattern.length;return d>=0&&this.lastIndexOf(pattern)===d},empty:function(){return this==""},blank:function(){return/^\s*$/.test(this)}}); if(Prototype.Browser.WebKit||Prototype.Browser.IE)Object.extend(String.prototype,{escapeHTML:function(){return this.replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;")},unescapeHTML:function(){return this.replace(/&amp;/g,"&").replace(/&lt;/g,"<").replace(/&gt;/g,">")}});String.prototype.gsub.prepareReplacement=function(replacement){if(typeof replacement=="function")return replacement;var template=new Template(replacement);return function(match){return template.evaluate(match)}}; String.prototype.parseQuery=String.prototype.toQueryParams;Object.extend(String.prototype.escapeHTML,{div:document.createElement("div"),text:document.createTextNode("")});with(String.prototype.escapeHTML)div.appendChild(text);var Template=Class.create();Template.Pattern=/(^|.|\r|\n)(#\{(.*?)\})/; Template.prototype={initialize:function(template,pattern){this.template=template.toString();this.pattern=pattern||Template.Pattern},evaluate:function(object){return this.template.gsub(this.pattern,function(match){var before=match[1];if(before=="\\")return match[2];return before+String.interpret(object[match[3]])})}};var $break={},$continue=new Error('"throw $continue" is deprecated, use "return" instead'); var Enumerable={each:function(iterator){var index=0;try{this._each(function(value){iterator(value,index++)})}catch(e){if(e!=$break)throw e;}return this},eachSlice:function(number,iterator){var index=-number,slices=[],array=this.toArray();while((index+=number)<array.length)slices.push(array.slice(index,index+number));return slices.map(iterator)},all:function(iterator){var result=true;this.each(function(value,index){result=result&&!!(iterator||Prototype.K)(value,index);if(!result)throw $break;});return result}, any:function(iterator){var result=false;this.each(function(value,index){if(result=!!(iterator||Prototype.K)(value,index))throw $break;});return result},collect:function(iterator){var results=[];this.each(function(value,index){results.push((iterator||Prototype.K)(value,index))});return results},detect:function(iterator){var result;this.each(function(value,index){if(iterator(value,index)){result=value;throw $break;}});return result},findAll:function(iterator){var results=[];this.each(function(value, index){if(iterator(value,index))results.push(value)});return results},grep:function(pattern,iterator){var results=[];this.each(function(value,index){var stringValue=value.toString();if(stringValue.match(pattern))results.push((iterator||Prototype.K)(value,index))});return results},include:function(object){var found=false;this.each(function(value){if(value==object){found=true;throw $break;}});return found},inGroupsOf:function(number,fillWith){fillWith=fillWith===undefined?null:fillWith;return this.eachSlice(number, function(slice){while(slice.length<number)slice.push(fillWith);return slice})},inject:function(memo,iterator){this.each(function(value,index){memo=iterator(memo,value,index)});return memo},invoke:function(method){var args=$A(arguments).slice(1);return this.map(function(value){return value[method].apply(value,args)})},max:function(iterator){var result;this.each(function(value,index){value=(iterator||Prototype.K)(value,index);if(result==undefined||value>=result)result=value});return result},min:function(iterator){var result; this.each(function(value,index){value=(iterator||Prototype.K)(value,index);if(result==undefined||value<result)result=value});return result},partition:function(iterator){var trues=[],falses=[];this.each(function(value,index){((iterator||Prototype.K)(value,index)?trues:falses).push(value)});return[trues,falses]},pluck:function(property){var results=[];this.each(function(value,index){results.push(value[property])});return results},reject:function(iterator){var results=[];this.each(function(value,index){if(!iterator(value, index))results.push(value)});return results},sortBy:function(iterator){return this.map(function(value,index){return{value:value,criteria:iterator(value,index)}}).sort(function(left,right){var a=left.criteria,b=right.criteria;return a<b?-1:a>b?1:0}).pluck("value")},toArray:function(){return this.map()},zip:function(){var iterator=Prototype.K,args=$A(arguments);if(typeof args.last()=="function")iterator=args.pop();var collections=[this].concat(args).map($A);return this.map(function(value,index){return iterator(collections.pluck(index))})}, size:function(){return this.toArray().length},inspect:function(){return"#<Enumerable:"+this.toArray().inspect()+">"}};Object.extend(Enumerable,{map:Enumerable.collect,find:Enumerable.detect,select:Enumerable.findAll,member:Enumerable.include,entries:Enumerable.toArray});var $A=Array.from=function(iterable){if(!iterable)return[];if(iterable.toArray)return iterable.toArray();else{var results=[];for(var i=0,length=iterable.length;i<length;i++)results.push(iterable[i]);return results}}; if(Prototype.Browser.WebKit)$A=Array.from=function(iterable){if(!iterable)return[];if(!(typeof iterable=="function"&&iterable=="[object NodeList]")&&iterable.toArray)return iterable.toArray();else{var results=[];for(var i=0,length=iterable.length;i<length;i++)results.push(iterable[i]);return results}};Object.extend(Array.prototype,Enumerable);if(!Array.prototype._reverse)Array.prototype._reverse=Array.prototype.reverse; Object.extend(Array.prototype,{_each:function(iterator){for(var i=0,length=this.length;i<length;i++)iterator(this[i])},clear:function(){this.length=0;return this},first:function(){return this[0]},last:function(){return this[this.length-1]},compact:function(){return this.select(function(value){return value!=null})},flatten:function(){return this.inject([],function(array,value){return array.concat(value&&value.constructor==Array?value.flatten():[value])})},without:function(){var values=$A(arguments); return this.select(function(value){return!values.include(value)})},indexOf:function(object){for(var i=0,length=this.length;i<length;i++)if(this[i]==object)return i;return-1},reverse:function(inline){return(inline!==false?this:this.toArray())._reverse()},reduce:function(){return this.length>1?this:this[0]},uniq:function(sorted){return this.inject([],function(array,value,index){if(0==index||(sorted?array.last()!=value:!array.include(value)))array.push(value);return array})},clone:function(){return[].concat(this)}, size:function(){return this.length},inspect:function(){return"["+this.map(Object.inspect).join(", ")+"]"},toJSON:function(){var results=[];this.each(function(object){var value=Object.toJSON(object);if(value!==undefined)results.push(value)});return"["+results.join(", ")+"]"}});Array.prototype.toArray=Array.prototype.clone;function $w(string){string=string.strip();return string?string.split(/\s+/):[]} if(Prototype.Browser.Opera)Array.prototype.concat=function(){var array=[];for(var i=0,length=this.length;i<length;i++)array.push(this[i]);for(var i=0,length=arguments.length;i<length;i++)if(arguments[i].constructor==Array)for(var j=0,arrayLength=arguments[i].length;j<arrayLength;j++)array.push(arguments[i][j]);else array.push(arguments[i]);return array};var Hash=function(object){if(object instanceof Hash)this.merge(object);else Object.extend(this,object||{})}; Object.extend(Hash,{toQueryString:function(obj){var parts=[];parts.add=arguments.callee.addPair;this.prototype._each.call(obj,function(pair){if(!pair.key)return;var value=pair.value;if(value&&typeof value=="object"){if(value.constructor==Array)value.each(function(value){parts.add(pair.key,value)});return}parts.add(pair.key,value)});return parts.join("&")},toJSON:function(object){var results=[];this.prototype._each.call(object,function(pair){var value=Object.toJSON(pair.value);if(value!==undefined)results.push(pair.key.toJSON()+ ": "+value)});return"{"+results.join(", ")+"}"}});Hash.toQueryString.addPair=function(key,value,prefix){key=encodeURIComponent(key);if(value===undefined)this.push(key);else this.push(key+"="+(value==null?"":encodeURIComponent(value)))};Object.extend(Hash.prototype,Enumerable); Object.extend(Hash.prototype,{_each:function(iterator){for(var key in this){var value=this[key];if(value&&value==Hash.prototype[key])continue;var pair=[key,value];pair.key=key;pair.value=value;iterator(pair)}},keys:function(){return this.pluck("key")},values:function(){return this.pluck("value")},merge:function(hash){return $H(hash).inject(this,function(mergedHash,pair){mergedHash[pair.key]=pair.value;return mergedHash})},remove:function(){var result;for(var i=0,length=arguments.length;i<length;i++){var value= this[arguments[i]];if(value!==undefined)if(result===undefined)result=value;else{if(result.constructor!=Array)result=[result];result.push(value)}delete this[arguments[i]]}return result},toQueryString:function(){return Hash.toQueryString(this)},inspect:function(){return"#<Hash:{"+this.map(function(pair){return pair.map(Object.inspect).join(": ")}).join(", ")+"}>"},toJSON:function(){return Hash.toJSON(this)}});function $H(object){if(object instanceof Hash)return object;return new Hash(object)} if(function(){var i=0,Test=function(value){this.key=value};Test.prototype.key="foo";for(var property in new Test("bar"))i++;return i>1}())Hash.prototype._each=function(iterator){var cache=[];for(var key in this){var value=this[key];if(value&&value==Hash.prototype[key]||cache.include(key))continue;cache.push(key);var pair=[key,value];pair.key=key;pair.value=value;iterator(pair)}};ObjectRange=Class.create();Object.extend(ObjectRange.prototype,Enumerable); Object.extend(ObjectRange.prototype,{initialize:function(start,end,exclusive){this.start=start;this.end=end;this.exclusive=exclusive},_each:function(iterator){var value=this.start;while(this.include(value)){iterator(value);value=value.succ()}},include:function(value){if(value<this.start)return false;if(this.exclusive)return value<this.end;return value<=this.end}});var $R=function(start,end,exclusive){return new ObjectRange(start,end,exclusive)}; var Ajax={getTransport:function(){return Try.these(function(){return new XMLHttpRequest},function(){return new ActiveXObject("Msxml2.XMLHTTP")},function(){return new ActiveXObject("Microsoft.XMLHTTP")})||false},activeRequestCount:0}; Ajax.Responders={responders:[],_each:function(iterator){this.responders._each(iterator)},register:function(responder){if(!this.include(responder))this.responders.push(responder)},unregister:function(responder){this.responders=this.responders.without(responder)},dispatch:function(callback,request,transport,json){this.each(function(responder){if(typeof responder[callback]=="function")try{responder[callback].apply(responder,[request,transport,json])}catch(e){}})}};Object.extend(Ajax.Responders,Enumerable); Ajax.Responders.register({onCreate:function(){Ajax.activeRequestCount++},onComplete:function(){Ajax.activeRequestCount--}});Ajax.Base=function(){};Ajax.Base.prototype={setOptions:function(options){this.options={method:"post",asynchronous:true,contentType:"application/x-www-form-urlencoded",encoding:"UTF-8",parameters:""};Object.extend(this.options,options||{});this.options.method=this.options.method.toLowerCase();if(typeof this.options.parameters=="string")this.options.parameters=this.options.parameters.toQueryParams()}}; Ajax.Request=Class.create();Ajax.Request.Events=["Uninitialized","Loading","Loaded","Interactive","Complete"]; Ajax.Request.prototype=Object.extend(new Ajax.Base,{_complete:false,initialize:function(url,options){this.transport=Ajax.getTransport();this.setOptions(options);this.request(url)},request:function(url){this.url=url;this.method=this.options.method;var params=Object.clone(this.options.parameters);if(!["get","post"].include(this.method)){params["_method"]=this.method;this.method="post"}this.parameters=params;if(params=Hash.toQueryString(params))if(this.method=="get")this.url+=(this.url.include("?")? "&":"?")+params;else if(/Konqueror|Safari|KHTML/.test(navigator.userAgent))params+="&_=";try{if(this.options.onCreate)this.options.onCreate(this.transport);Ajax.Responders.dispatch("onCreate",this,this.transport);this.transport.open(this.method.toUpperCase(),this.url,this.options.asynchronous);if(this.options.asynchronous)setTimeout(function(){this.respondToReadyState(1)}.bind(this),10);this.transport.onreadystatechange=this.onStateChange.bind(this);this.setRequestHeaders();this.body=this.method== "post"?this.options.postBody||params:null;this.transport.send(this.body);if(!this.options.asynchronous&&this.transport.overrideMimeType)this.onStateChange()}catch(e){this.dispatchException(e)}},onStateChange:function(){var readyState=this.transport.readyState;if(readyState>1&&!(readyState==4&&this._complete))this.respondToReadyState(this.transport.readyState)},setRequestHeaders:function(){var headers={"X-Requested-With":"XMLHttpRequest","X-Prototype-Version":Prototype.Version,Accept:"text/javascript, text/html, application/xml, text/xml, */*"}; if(this.method=="post"){headers["Content-type"]=this.options.contentType+(this.options.encoding?"; charset="+this.options.encoding:"");if(this.transport.overrideMimeType&&(navigator.userAgent.match(/Gecko\/(\d{4})/)||[0,2005])[1]<2005)headers["Connection"]="close"}if(typeof this.options.requestHeaders=="object"){var extras=this.options.requestHeaders;if(typeof extras.push=="function")for(var i=0,length=extras.length;i<length;i+=2)headers[extras[i]]=extras[i+1];else $H(extras).each(function(pair){headers[pair.key]= pair.value})}for(var name in headers)this.transport.setRequestHeader(name,headers[name])},success:function(){return!this.transport.status||this.transport.status>=200&&this.transport.status<300},respondToReadyState:function(readyState){var state=Ajax.Request.Events[readyState];var transport=this.transport,json=this.evalJSON();if(state=="Complete"){try{this._complete=true;(this.options["on"+this.transport.status]||this.options["on"+(this.success()?"Success":"Failure")]||Prototype.emptyFunction)(transport, json)}catch(e){this.dispatchException(e)}var contentType=this.getHeader("Content-type");if(contentType&&contentType.strip().match(/^(text|application)\/(x-)?(java|ecma)script(;.*)?$/i))this.evalResponse()}try{(this.options["on"+state]||Prototype.emptyFunction)(transport,json);Ajax.Responders.dispatch("on"+state,this,transport,json)}catch(e){this.dispatchException(e)}if(state=="Complete")this.transport.onreadystatechange=Prototype.emptyFunction},getHeader:function(name){try{return this.transport.getResponseHeader(name)}catch(e){return null}}, evalJSON:function(){try{var json=this.getHeader("X-JSON");return json?json.evalJSON():null}catch(e){return null}},evalResponse:function(){try{return eval((this.transport.responseText||"").unfilterJSON())}catch(e){this.dispatchException(e)}},dispatchException:function(exception){(this.options.onException||Prototype.emptyFunction)(this,exception);Ajax.Responders.dispatch("onException",this,exception)}});Ajax.Updater=Class.create(); Object.extend(Object.extend(Ajax.Updater.prototype,Ajax.Request.prototype),{initialize:function(container,url,options){this.container={success:container.success||container,failure:container.failure||(container.success?null:container)};this.transport=Ajax.getTransport();this.setOptions(options);var onComplete=this.options.onComplete||Prototype.emptyFunction;this.options.onComplete=function(transport,param){this.updateContent();onComplete(transport,param)}.bind(this);this.request(url)},updateContent:function(){var receiver= this.container[this.success()?"success":"failure"];var response=this.transport.responseText;if(!this.options.evalScripts)response=response.stripScripts();if(receiver=$(receiver))if(this.options.insertion)new this.options.insertion(receiver,response);else receiver.update(response);if(this.success())if(this.onComplete)setTimeout(this.onComplete.bind(this),10)}});Ajax.PeriodicalUpdater=Class.create(); Ajax.PeriodicalUpdater.prototype=Object.extend(new Ajax.Base,{initialize:function(container,url,options){this.setOptions(options);this.onComplete=this.options.onComplete;this.frequency=this.options.frequency||2;this.decay=this.options.decay||1;this.updater={};this.container=container;this.url=url;this.start()},start:function(){this.options.onComplete=this.updateComplete.bind(this);this.onTimerEvent()},stop:function(){this.updater.options.onComplete=undefined;clearTimeout(this.timer);(this.onComplete|| Prototype.emptyFunction).apply(this,arguments)},updateComplete:function(request){if(this.options.decay){this.decay=request.responseText==this.lastText?this.decay*this.options.decay:1;this.lastText=request.responseText}this.timer=setTimeout(this.onTimerEvent.bind(this),this.decay*this.frequency*1E3)},onTimerEvent:function(){this.updater=new Ajax.Updater(this.container,this.url,this.options)}}); function $(element){if(arguments.length>1){for(var i=0,elements=[],length=arguments.length;i<length;i++)elements.push($(arguments[i]));return elements}if(typeof element=="string")element=document.getElementById(element);return Element.extend(element)} if(Prototype.BrowserFeatures.XPath){document._getElementsByXPath=function(expression,parentElement){var results=[];var query=document.evaluate(expression,$(parentElement)||document,null,XPathResult.ORDERED_NODE_SNAPSHOT_TYPE,null);for(var i=0,length=query.snapshotLength;i<length;i++)results.push(query.snapshotItem(i));return results};document.getElementsByClassName=function(className,parentElement){var q=".//*[contains(concat(' ', @class, ' '), ' "+className+" ')]";return document._getElementsByXPath(q, parentElement)}}else document.getElementsByClassName=function(className,parentElement){var children=($(parentElement)||document.body).getElementsByTagName("*");var elements=[],child;for(var i=0,length=children.length;i<length;i++){child=children[i];if(Element.hasClassName(child,className))elements.push(Element.extend(child))}return elements};if(!window.Element)var Element={}; Element.extend=function(element){var F=Prototype.BrowserFeatures;if(!element||!element.tagName||element.nodeType==3||element._extended||F.SpecificElementExtensions||element==window)return element;var methods={},tagName=element.tagName,cache=Element.extend.cache,T=Element.Methods.ByTag;if(!F.ElementExtensions)Object.extend(methods,Element.Methods),Object.extend(methods,Element.Methods.Simulated);if(T[tagName])Object.extend(methods,T[tagName]);for(var property in methods){var value=methods[property]; if(typeof value=="function"&&!(property in element))element[property]=cache.findOrStore(value)}element._extended=Prototype.emptyFunction;return element};Element.extend.cache={findOrStore:function(value){return this[value]=this[value]||function(){return value.apply(null,[this].concat($A(arguments)))}}}; Element.Methods={visible:function(element){return $(element).style.display!="none"},toggle:function(element){element=$(element);Element[Element.visible(element)?"hide":"show"](element);return element},hide:function(element){$(element).style.display="none";return element},show:function(element){$(element).style.display="";return element},remove:function(element){element=$(element);element.parentNode.removeChild(element);return element},update:function(element,html){html=typeof html=="undefined"?"": html.toString();$(element).innerHTML=html.stripScripts();setTimeout(function(){html.evalScripts()},10);return element},replace:function(element,html){element=$(element);html=typeof html=="undefined"?"":html.toString();if(element.outerHTML)element.outerHTML=html.stripScripts();else{var range=element.ownerDocument.createRange();range.selectNodeContents(element);element.parentNode.replaceChild(range.createContextualFragment(html.stripScripts()),element)}setTimeout(function(){html.evalScripts()},10); return element},inspect:function(element){element=$(element);var result="<"+element.tagName.toLowerCase();$H({id:"id",className:"class"}).each(function(pair){var property=pair.first(),attribute=pair.last();var value=(element[property]||"").toString();if(value)result+=" "+attribute+"="+value.inspect(true)});return result+">"},recursivelyCollect:function(element,property){element=$(element);var elements=[];while(element=element[property])if(element.nodeType==1)elements.push(Element.extend(element)); return elements},ancestors:function(element){return $(element).recursivelyCollect("parentNode")},descendants:function(element){return $A($(element).getElementsByTagName("*")).each(Element.extend)},firstDescendant:function(element){element=$(element).firstChild;while(element&&element.nodeType!=1)element=element.nextSibling;return $(element)},immediateDescendants:function(element){if(!(element=$(element).firstChild))return[];while(element&&element.nodeType!=1)element=element.nextSibling;if(element)return[element].concat($(element).nextSiblings()); return[]},previousSiblings:function(element){return $(element).recursivelyCollect("previousSibling")},nextSiblings:function(element){return $(element).recursivelyCollect("nextSibling")},siblings:function(element){element=$(element);return element.previousSiblings().reverse().concat(element.nextSiblings())},match:function(element,selector){if(typeof selector=="string")selector=new Selector(selector);return selector.match($(element))},up:function(element,expression,index){element=$(element);if(arguments.length== 1)return $(element.parentNode);var ancestors=element.ancestors();return expression?Selector.findElement(ancestors,expression,index):ancestors[index||0]},down:function(element,expression,index){element=$(element);if(arguments.length==1)return element.firstDescendant();var descendants=element.descendants();return expression?Selector.findElement(descendants,expression,index):descendants[index||0]},previous:function(element,expression,index){element=$(element);if(arguments.length==1)return $(Selector.handlers.previousElementSibling(element)); var previousSiblings=element.previousSiblings();return expression?Selector.findElement(previousSiblings,expression,index):previousSiblings[index||0]},next:function(element,expression,index){element=$(element);if(arguments.length==1)return $(Selector.handlers.nextElementSibling(element));var nextSiblings=element.nextSiblings();return expression?Selector.findElement(nextSiblings,expression,index):nextSiblings[index||0]},getElementsBySelector:function(){var args=$A(arguments),element=$(args.shift()); return Selector.findChildElements(element,args)},getElementsByClassName:function(element,className){return document.getElementsByClassName(className,element)},readAttribute:function(element,name){element=$(element);if(Prototype.Browser.IE){if(!element.attributes)return null;var t=Element._attributeTranslations;if(t.values[name])return t.values[name](element,name);if(t.names[name])name=t.names[name];var attribute=element.attributes[name];return attribute?attribute.nodeValue:null}return element.getAttribute(name)}, getHeight:function(element){return $(element).getDimensions().height},getWidth:function(element){return $(element).getDimensions().width},classNames:function(element){return new Element.ClassNames(element)},hasClassName:function(element,className){if(!(element=$(element)))return;var elementClassName=element.className;if(elementClassName.length==0)return false;if(elementClassName==className||elementClassName.match(new RegExp("(^|\\s)"+className+"(\\s|$)")))return true;return false},addClassName:function(element, className){if(!(element=$(element)))return;Element.classNames(element).add(className);return element},removeClassName:function(element,className){if(!(element=$(element)))return;Element.classNames(element).remove(className);return element},toggleClassName:function(element,className){if(!(element=$(element)))return;Element.classNames(element)[element.hasClassName(className)?"remove":"add"](className);return element},observe:function(){Event.observe.apply(Event,arguments);return $A(arguments).first()}, stopObserving:function(){Event.stopObserving.apply(Event,arguments);return $A(arguments).first()},cleanWhitespace:function(element){element=$(element);var node=element.firstChild;while(node){var nextNode=node.nextSibling;if(node.nodeType==3&&!/\S/.test(node.nodeValue))element.removeChild(node);node=nextNode}return element},empty:function(element){return $(element).innerHTML.blank()},descendantOf:function(element,ancestor){element=$(element),ancestor=$(ancestor);while(element=element.parentNode)if(element== ancestor)return true;return false},scrollTo:function(element){element=$(element);var pos=Position.cumulativeOffset(element);window.scrollTo(pos[0],pos[1]);return element},getStyle:function(element,style){element=$(element);style=style=="float"?"cssFloat":style.camelize();var value=element.style[style];if(!value){var css=document.defaultView.getComputedStyle(element,null);value=css?css[style]:null}if(style=="opacity")return value?parseFloat(value):1;return value=="auto"?null:value},getOpacity:function(element){return $(element).getStyle("opacity")}, setStyle:function(element,styles,camelized){element=$(element);var elementStyle=element.style;for(var property in styles)if(property=="opacity")element.setOpacity(styles[property]);else elementStyle[property=="float"||property=="cssFloat"?elementStyle.styleFloat===undefined?"cssFloat":"styleFloat":camelized?property:property.camelize()]=styles[property];return element},setOpacity:function(element,value){element=$(element);element.style.opacity=value==1||value===""?"":value<1.0E-5?0:value;return element}, getDimensions:function(element){element=$(element);var display=$(element).getStyle("display");if(display!="none"&&display!=null)return{width:element.offsetWidth,height:element.offsetHeight};var els=element.style;var originalVisibility=els.visibility;var originalPosition=els.position;var originalDisplay=els.display;els.visibility="hidden";els.position="absolute";els.display="block";var originalWidth=element.clientWidth;var originalHeight=element.clientHeight;els.display=originalDisplay;els.position= originalPosition;els.visibility=originalVisibility;return{width:originalWidth,height:originalHeight}},makePositioned:function(element){element=$(element);var pos=Element.getStyle(element,"position");if(pos=="static"||!pos){element._madePositioned=true;element.style.position="relative";if(window.opera){element.style.top=0;element.style.left=0}}return element},undoPositioned:function(element){element=$(element);if(element._madePositioned){element._madePositioned=undefined;element.style.position=element.style.top= element.style.left=element.style.bottom=element.style.right=""}return element},makeClipping:function(element){element=$(element);if(element._overflow)return element;element._overflow=element.style.overflow||"auto";if((Element.getStyle(element,"overflow")||"visible")!="hidden")element.style.overflow="hidden";return element},undoClipping:function(element){element=$(element);if(!element._overflow)return element;element.style.overflow=element._overflow=="auto"?"":element._overflow;element._overflow=null; return element}};Object.extend(Element.Methods,{childOf:Element.Methods.descendantOf,childElements:Element.Methods.immediateDescendants}); if(Prototype.Browser.Opera){Element.Methods._getStyle=Element.Methods.getStyle;Element.Methods.getStyle=function(element,style){switch(style){case "left":case "top":case "right":case "bottom":if(Element._getStyle(element,"position")=="static")return null;default:return Element._getStyle(element,style)}}}else if(Prototype.Browser.IE){Element.Methods.getStyle=function(element,style){element=$(element);style=style=="float"||style=="cssFloat"?"styleFloat":style.camelize();var value=element.style[style]; if(!value&&element.currentStyle)value=element.currentStyle[style];if(style=="opacity"){if(value=(element.getStyle("filter")||"").match(/alpha\(opacity=(.*)\)/))if(value[1])return parseFloat(value[1])/100;return 1}if(value=="auto"){if((style=="width"||style=="height")&&element.getStyle("display")!="none")return element["offset"+style.capitalize()]+"px";return null}return value};Element.Methods.setOpacity=function(element,value){element=$(element);var filter=element.getStyle("filter"),style=element.style; if(value==1||value===""){style.filter=filter.replace(/alpha\([^\)]*\)/gi,"");return element}else if(value<1.0E-5)value=0;style.filter=filter.replace(/alpha\([^\)]*\)/gi,"")+"alpha(opacity="+value*100+")";return element};Element.Methods.update=function(element,html){element=$(element);html=typeof html=="undefined"?"":html.toString();var tagName=element.tagName.toUpperCase();if(["THEAD","TBODY","TR","TD"].include(tagName)){var div=document.createElement("div");switch(tagName){case "THEAD":case "TBODY":div.innerHTML= "<table><tbody>"+html.stripScripts()+"</tbody></table>";depth=2;break;case "TR":div.innerHTML="<table><tbody><tr>"+html.stripScripts()+"</tr></tbody></table>";depth=3;break;case "TD":div.innerHTML="<table><tbody><tr><td>"+html.stripScripts()+"</td></tr></tbody></table>";depth=4}$A(element.childNodes).each(function(node){element.removeChild(node)});depth.times(function(){div=div.firstChild});$A(div.childNodes).each(function(node){element.appendChild(node)})}else element.innerHTML=html.stripScripts(); setTimeout(function(){html.evalScripts()},10);return element}}else if(Prototype.Browser.Gecko)Element.Methods.setOpacity=function(element,value){element=$(element);element.style.opacity=value==1?0.999999:value===""?"":value<1.0E-5?0:value;return element}; Element._attributeTranslations={names:{colspan:"colSpan",rowspan:"rowSpan",valign:"vAlign",datetime:"dateTime",accesskey:"accessKey",tabindex:"tabIndex",enctype:"encType",maxlength:"maxLength",readonly:"readOnly",longdesc:"longDesc"},values:{_getAttr:function(element,attribute){return element.getAttribute(attribute,2)},_flag:function(element,attribute){return $(element).hasAttribute(attribute)?attribute:null},style:function(element){return element.style.cssText.toLowerCase()},title:function(element){var node= element.getAttributeNode("title");return node.specified?node.nodeValue:null}}};(function(){Object.extend(this,{href:this._getAttr,src:this._getAttr,type:this._getAttr,disabled:this._flag,checked:this._flag,readonly:this._flag,multiple:this._flag})}).call(Element._attributeTranslations.values); Element.Methods.Simulated={hasAttribute:function(element,attribute){var t=Element._attributeTranslations,node;attribute=t.names[attribute]||attribute;node=$(element).getAttributeNode(attribute);return node&&node.specified}};Element.Methods.ByTag={};Object.extend(Element,Element.Methods); if(!Prototype.BrowserFeatures.ElementExtensions&&document.createElement("div").__proto__){window.HTMLElement={};window.HTMLElement.prototype=document.createElement("div").__proto__;Prototype.BrowserFeatures.ElementExtensions=true}Element.hasAttribute=function(element,attribute){if(element.hasAttribute)return element.hasAttribute(attribute);return Element.Methods.Simulated.hasAttribute(element,attribute)}; Element.addMethods=function(methods){var F=Prototype.BrowserFeatures,T=Element.Methods.ByTag;if(!methods){Object.extend(Form,Form.Methods);Object.extend(Form.Element,Form.Element.Methods);Object.extend(Element.Methods.ByTag,{FORM:Object.clone(Form.Methods),INPUT:Object.clone(Form.Element.Methods),SELECT:Object.clone(Form.Element.Methods),TEXTAREA:Object.clone(Form.Element.Methods)})}if(arguments.length==2){var tagName=methods;methods=arguments[1]}if(!tagName)Object.extend(Element.Methods,methods|| {});else if(tagName.constructor==Array)tagName.each(extend);else extend(tagName);function extend(tagName){tagName=tagName.toUpperCase();if(!Element.Methods.ByTag[tagName])Element.Methods.ByTag[tagName]={};Object.extend(Element.Methods.ByTag[tagName],methods)}function copy(methods,destination,onlyIfAbsent){onlyIfAbsent=onlyIfAbsent||false;var cache=Element.extend.cache;for(var property in methods){var value=methods[property];if(!onlyIfAbsent||!(property in destination))destination[property]=cache.findOrStore(value)}} function findDOMClass(tagName){var klass;var trans={OPTGROUP:"OptGroup",TEXTAREA:"TextArea",P:"Paragraph",FIELDSET:"FieldSet",UL:"UList",OL:"OList",DL:"DList",DIR:"Directory",H1:"Heading",H2:"Heading",H3:"Heading",H4:"Heading",H5:"Heading",H6:"Heading",Q:"Quote",INS:"Mod",DEL:"Mod",A:"Anchor",IMG:"Image",CAPTION:"TableCaption",COL:"TableCol",COLGROUP:"TableCol",THEAD:"TableSection",TFOOT:"TableSection",TBODY:"TableSection",TR:"TableRow",TH:"TableCell",TD:"TableCell",FRAMESET:"FrameSet",IFRAME:"IFrame"}; if(trans[tagName])klass="HTML"+trans[tagName]+"Element";if(window[klass])return window[klass];klass="HTML"+tagName+"Element";if(window[klass])return window[klass];klass="HTML"+tagName.capitalize()+"Element";if(window[klass])return window[klass];window[klass]={};window[klass].prototype=document.createElement(tagName).__proto__;return window[klass]}if(F.ElementExtensions){copy(Element.Methods,HTMLElement.prototype);copy(Element.Methods.Simulated,HTMLElement.prototype,true)}if(F.SpecificElementExtensions)for(var tag in Element.Methods.ByTag){var klass= findDOMClass(tag);if(typeof klass=="undefined")continue;copy(T[tag],klass.prototype)}Object.extend(Element,Element.Methods);delete Element.ByTag};var Toggle={display:Element.toggle};Abstract.Insertion=function(adjacency){this.adjacency=adjacency}; Abstract.Insertion.prototype={initialize:function(element,content){this.element=$(element);this.content=content.stripScripts();if(this.adjacency&&this.element.insertAdjacentHTML)try{this.element.insertAdjacentHTML(this.adjacency,this.content)}catch(e){var tagName=this.element.tagName.toUpperCase();if(["TBODY","TR"].include(tagName))this.insertContent(this.contentFromAnonymousTable());else throw e;}else{this.range=this.element.ownerDocument.createRange();if(this.initializeRange)this.initializeRange(); this.insertContent([this.range.createContextualFragment(this.content)])}setTimeout(function(){content.evalScripts()},10)},contentFromAnonymousTable:function(){var div=document.createElement("div");div.innerHTML="<table><tbody>"+this.content+"</tbody></table>";return $A(div.childNodes[0].childNodes[0].childNodes)}};var Insertion=new Object;Insertion.Before=Class.create(); Insertion.Before.prototype=Object.extend(new Abstract.Insertion("beforeBegin"),{initializeRange:function(){this.range.setStartBefore(this.element)},insertContent:function(fragments){fragments.each(function(fragment){this.element.parentNode.insertBefore(fragment,this.element)}.bind(this))}});Insertion.Top=Class.create(); Insertion.Top.prototype=Object.extend(new Abstract.Insertion("afterBegin"),{initializeRange:function(){this.range.selectNodeContents(this.element);this.range.collapse(true)},insertContent:function(fragments){fragments.reverse(false).each(function(fragment){this.element.insertBefore(fragment,this.element.firstChild)}.bind(this))}});Insertion.Bottom=Class.create(); Insertion.Bottom.prototype=Object.extend(new Abstract.Insertion("beforeEnd"),{initializeRange:function(){this.range.selectNodeContents(this.element);this.range.collapse(this.element)},insertContent:function(fragments){fragments.each(function(fragment){this.element.appendChild(fragment)}.bind(this))}});Insertion.After=Class.create(); Insertion.After.prototype=Object.extend(new Abstract.Insertion("afterEnd"),{initializeRange:function(){this.range.setStartAfter(this.element)},insertContent:function(fragments){fragments.each(function(fragment){this.element.parentNode.insertBefore(fragment,this.element.nextSibling)}.bind(this))}});Element.ClassNames=Class.create(); Element.ClassNames.prototype={initialize:function(element){this.element=$(element)},_each:function(iterator){this.element.className.split(/\s+/).select(function(name){return name.length>0})._each(iterator)},set:function(className){this.element.className=className},add:function(classNameToAdd){if(this.include(classNameToAdd))return;this.set($A(this).concat(classNameToAdd).join(" "))},remove:function(classNameToRemove){if(!this.include(classNameToRemove))return;this.set($A(this).without(classNameToRemove).join(" "))}, toString:function(){return $A(this).join(" ")}};Object.extend(Element.ClassNames.prototype,Enumerable);var Selector=Class.create(); Selector.prototype={initialize:function(expression){this.expression=expression.strip();this.compileMatcher()},compileMatcher:function(){if(Prototype.BrowserFeatures.XPath&&!/\[[\w-]*?:/.test(this.expression))return this.compileXPathMatcher();var e=this.expression,ps=Selector.patterns,h=Selector.handlers,c=Selector.criteria,le,p,m;if(Selector._cache[e]){this.matcher=Selector._cache[e];return}this.matcher=["this.matcher = function(root) {","var r = root, h = Selector.handlers, c = false, n;"];while(e&& le!=e&&/\S/.test(e)){le=e;for(var i in ps){p=ps[i];if(m=e.match(p)){this.matcher.push(typeof c[i]=="function"?c[i](m):(new Template(c[i])).evaluate(m));e=e.replace(m[0],"");break}}}this.matcher.push("return h.unique(n);\n}");eval(this.matcher.join("\n"));Selector._cache[this.expression]=this.matcher},compileXPathMatcher:function(){var e=this.expression,ps=Selector.patterns,x=Selector.xpath,le,m;if(Selector._cache[e]){this.xpath=Selector._cache[e];return}this.matcher=[".//*"];while(e&&le!=e&&/\S/.test(e)){le= e;for(var i in ps)if(m=e.match(ps[i])){this.matcher.push(typeof x[i]=="function"?x[i](m):(new Template(x[i])).evaluate(m));e=e.replace(m[0],"");break}}this.xpath=this.matcher.join("");Selector._cache[this.expression]=this.xpath},findElements:function(root){root=root||document;if(this.xpath)return document._getElementsByXPath(this.xpath,root);return this.matcher(root)},match:function(element){return this.findElements(document).include(element)},toString:function(){return this.expression},inspect:function(){return"#<Selector:"+ this.expression.inspect()+">"}}; Object.extend(Selector,{_cache:{},xpath:{descendant:"//*",child:"/*",adjacent:"/following-sibling::*[1]",laterSibling:"/following-sibling::*",tagName:function(m){if(m[1]=="*")return"";return"[local-name()='"+m[1].toLowerCase()+"' or local-name()='"+m[1].toUpperCase()+"']"},className:"[contains(concat(' ', @class, ' '), ' #{1} ')]",id:"[@id='#{1}']",attrPresence:"[@#{1}]",attr:function(m){m[3]=m[5]||m[6];return(new Template(Selector.xpath.operators[m[2]])).evaluate(m)},pseudo:function(m){var h=Selector.xpath.pseudos[m[1]]; if(!h)return"";if(typeof h==="function")return h(m);return(new Template(Selector.xpath.pseudos[m[1]])).evaluate(m)},operators:{"=":"[@#{1}='#{3}']","!=":"[@#{1}!='#{3}']","^=":"[starts-with(@#{1}, '#{3}')]","$=":"[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']","*=":"[contains(@#{1}, '#{3}')]","~=":"[contains(concat(' ', @#{1}, ' '), ' #{3} ')]","|=":"[contains(concat('-', @#{1}, '-'), '-#{3}-')]"},pseudos:{"first-child":"[not(preceding-sibling::*)]","last-child":"[not(following-sibling::*)]", "only-child":"[not(preceding-sibling::* or following-sibling::*)]",empty:"[count(*) = 0 and (count(text()) = 0 or translate(text(), ' \t\r\n', '') = '')]",checked:"[@checked]",disabled:"[@disabled]",enabled:"[not(@disabled)]",not:function(m){var e=m[6],p=Selector.patterns,x=Selector.xpath,le,m,v;var exclusion=[];while(e&&le!=e&&/\S/.test(e)){le=e;for(var i in p)if(m=e.match(p[i])){v=typeof x[i]=="function"?x[i](m):(new Template(x[i])).evaluate(m);exclusion.push("("+v.substring(1,v.length-1)+")"); e=e.replace(m[0],"");break}}return"[not("+exclusion.join(" and ")+")]"},"nth-child":function(m){return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ",m)},"nth-last-child":function(m){return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ",m)},"nth-of-type":function(m){return Selector.xpath.pseudos.nth("position() ",m)},"nth-last-of-type":function(m){return Selector.xpath.pseudos.nth("(last() + 1 - position()) ",m)},"first-of-type":function(m){m[6]="1";return Selector.xpath.pseudos["nth-of-type"](m)}, "last-of-type":function(m){m[6]="1";return Selector.xpath.pseudos["nth-last-of-type"](m)},"only-of-type":function(m){var p=Selector.xpath.pseudos;return p["first-of-type"](m)+p["last-of-type"](m)},nth:function(fragment,m){var mm,formula=m[6],predicate;if(formula=="even")formula="2n+0";if(formula=="odd")formula="2n+1";if(mm=formula.match(/^(\d+)$/))return"["+fragment+"= 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"laterSibling";'},patterns:{laterSibling:/^\s*~\s*/,child:/^\s*>\s*/,adjacent:/^\s*\+\s*/,descendant:/^\s/,tagName:/^\s*(\*|[\w\-]+)(\b|$)?/,id:/^#([\w\-\*]+)(\b|$)/,className:/^\.([\w\-\*]+)(\b|$)/,pseudo:/^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|\s|(?=:))/, attrPresence:/^\[([\w]+)\]/,attr:/\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\]]*?)\4|([^'"][^\]]*?)))?\]/},handlers:{concat:function(a,b){for(var i=0,node;node=b[i];i++)a.push(node);return a},mark:function(nodes){for(var i=0,node;node=nodes[i];i++)node._counted=true;return nodes},unmark:function(nodes){for(var i=0,node;node=nodes[i];i++)node._counted=undefined;return nodes},index:function(parentNode,reverse,ofType){parentNode._counted=true;if(reverse)for(var nodes=parentNode.childNodes, i=nodes.length-1,j=1;i>=0;i--){node=nodes[i];if(node.nodeType==1&&(!ofType||node._counted))node.nodeIndex=j++}else for(var 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