var Prototype={Version:"1.5.1.1",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[^>]*>([\\S\\s]*?)<\/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*1000)},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:{"\b":"\\b","\t":"\\t","\n":"\\n","\f":"\\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}")},isJSON:function(){var str=this.replace(/\\./g,"@").replace(/"[^"\\\n\r]*"/g,"");return(/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str)},evalJSON:function(sanitize){var json=this.unfilterJSON();try{if(!sanitize||json.isJSON()){return eval("("+json+")")}}catch(e){}throw new SyntaxError("Badly formed JSON string: "+this.inspect())},include:function(pattern){return this.indexOf(pattern)>-1},startsWith:function(pattern){return this.indexOf(pattern)===0},endsWith:function(pattern){var d=this.length-pattern.length;return d>=0&&this.lastIndexOf(pattern)===d},empty:function(){return this==""},blank:function(){return/^\s*$/.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*1000)},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,pattern=new RegExp("(^|\\s)"+className+"(\\s|$)");for(var i=0,length=children.length;i<length;i++){child=children[i];var elementClassName=child.className;if(elementClassName.length==0){continue}if(elementClassName==className||elementClassName.match(pattern)){elements.push(Element.extend(child))}}return elements}}if(!window.Element){var Element={}}Element.extend=function(element){var F=Prototype.BrowserFeatures;if(!element||!element.tagName||element.nodeType==3||element._extended||F.SpecificElementExtensions||element==window){return element}var methods={},tagName=element.tagName,cache=Element.extend.cache,T=Element.Methods.ByTag;if(!F.ElementExtensions){Object.extend(methods,Element.Methods),Object.extend(methods,Element.Methods.Simulated)}if(T[tagName]){Object.extend(methods,T[tagName])}for(var property in methods){var value=methods[property];if(typeof value=="function"&&!(property in element)){element[property]=cache.findOrStore(value)}}element._extended=Prototype.emptyFunction;return element};Element.extend.cache={findOrStore:function(value){return this[value]=this[value]||function(){return value.apply(null,[this].concat($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=$(element);element.style.opacity=(value==1||value==="")?"":(value<0.00001)?0:value;return element},getDimensions:function(element){element=$(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<0.00001){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<0.00001)?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+"= "+mm[1]+"]"}if(mm=formula.match(/^(-?\d*)?n(([+-])(\d+))?/)){if(mm[1]=="-"){mm[1]=-1}var a=mm[1]?Number(mm[1]):1;var b=mm[2]?Number(mm[2]):0;predicate="[((#{fragment} - #{b}) mod #{a} = 0) and ((#{fragment} - #{b}) div #{a} >= 0)]";return new Template(predicate).evaluate({fragment:fragment,a:a,b:b})}}}},criteria:{tagName:'n = h.tagName(n, r, "#{1}", c);   c = false;',className:'n = h.className(n, r, "#{1}", c); c = false;',id:'n = h.id(n, r, "#{1}", c);        c = false;',attrPresence:'n = h.attrPresence(n, r, "#{1}"); c = false;',attr:function(m){m[3]=(m[5]||m[6]);return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}"); c = false;').evaluate(m)},pseudo:function(m){if(m[6]){m[6]=m[6].replace(/"/g,'\\"')}return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m)},descendant:'c = "descendant";',child:'c = "child";',adjacent:'c = "adjacent";',laterSibling:'c = "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 i=0,j=1,nodes=parentNode.childNodes;node=nodes[i];i++){if(node.nodeType==1&&(!ofType||node._counted)){node.nodeIndex=j++}}}},unique:function(nodes){if(nodes.length==0){return nodes}var results=[],n;for(var i=0,l=nodes.length;i<l;i++){if(!(n=nodes[i])._counted){n._counted=true;results.push(Element.extend(n))}}return Selector.handlers.unmark(results)},descendant:function(nodes){var h=Selector.handlers;for(var i=0,results=[],node;node=nodes[i];i++){h.concat(results,node.getElementsByTagName("*"))}return results},child:function(nodes){var h=Selector.handlers;for(var i=0,results=[],node;node=nodes[i];i++){for(var j=0,children=[],child;child=node.childNodes[j];j++){if(child.nodeType==1&&child.tagName!="!"){results.push(child)}}}return results},adjacent:function(nodes){for(var i=0,results=[],node;node=nodes[i];i++){var next=this.nextElementSibling(node);if(next){results.push(next)}}return results},laterSibling:function(nodes){var h=Selector.handlers;for(var i=0,results=[],node;node=nodes[i];i++){h.concat(results,Element.nextSiblings(node))}return results},nextElementSibling:function(node){while(node=node.nextSibling){if(node.nodeType==1){return node}}return null},previousElementSibling:function(node){while(node=node.previousSibling){if(node.nodeType==1){return node}}return null},tagName:function(nodes,root,tagName,combinator){tagName=tagName.toUpperCase();var results=[],h=Selector.handlers;if(nodes){if(combinator){if(combinator=="descendant"){for(var i=0,node;node=nodes[i];i++){h.concat(results,node.getElementsByTagName(tagName))}return results}else{nodes=this[combinator](nodes)}if(tagName=="*"){return nodes}}for(var i=0,node;node=nodes[i];i++){if(node.tagName.toUpperCase()==tagName){results.push(node)}}return results}else{return root.getElementsByTagName(tagName)}},id:function(nodes,root,id,combinator){var targetNode=$(id),h=Selector.handlers;if(!nodes&&root==document){return targetNode?[targetNode]:[]}if(nodes){if(combinator){if(combinator=="child"){for(var i=0,node;node=nodes[i];i++){if(targetNode.parentNode==node){return[targetNode]}}}else{if(combinator=="descendant"){for(var i=0,node;node=nodes[i];i++){if(Element.descendantOf(targetNode,node)){return[targetNode]}}}else{if(combinator=="adjacent"){for(var i=0,node;node=nodes[i];i++){if(Selector.handlers.previousElementSibling(targetNode)==node){return[targetNode]}}}else{nodes=h[combinator](nodes)}}}}for(var i=0,node;node=nodes[i];i++){if(node==targetNode){return[targetNode]}}return[]}return(targetNode&&Element.descendantOf(targetNode,root))?[targetNode]:[]},className:function(nodes,root,className,combinator){if(nodes&&combinator){nodes=this[combinator](nodes)}return Selector.handlers.byClassName(nodes,root,className)},byClassName:function(nodes,root,className){if(!nodes){nodes=Selector.handlers.descendant([root])}var needle=" "+className+" ";for(var i=0,results=[],node,nodeClassName;node=nodes[i];i++){nodeClassName=node.className;if(nodeClassName.length==0){continue}if(nodeClassName==className||(" "+nodeClassName+" ").include(needle)){results.push(node)}}return results},attrPresence:function(nodes,root,attr){var results=[];for(var i=0,node;node=nodes[i];i++){if(Element.hasAttribute(node,attr)){results.push(node)}}return results},attr:function(nodes,root,attr,value,operator){if(!nodes){nodes=root.getElementsByTagName("*")}var handler=Selector.operators[operator],results=[];for(var i=0,node;node=nodes[i];i++){var nodeValue=Element.readAttribute(node,attr);if(nodeValue===null){continue}if(handler(nodeValue,value)){results.push(node)}}return results},pseudo:function(nodes,name,value,root,combinator){if(nodes&&combinator){nodes=this[combinator](nodes)}if(!nodes){nodes=root.getElementsByTagName("*")}return Selector.pseudos[name](nodes,value,root)}},pseudos:{"first-child":function(nodes,value,root){for(var i=0,results=[],node;node=nodes[i];i++){if(Selector.handlers.previousElementSibling(node)){continue}results.push(node)}return results},"last-child":function(nodes,value,root){for(var i=0,results=[],node;node=nodes[i];i++){if(Selector.handlers.nextElementSibling(node)){continue}results.push(node)}return results},"only-child":function(nodes,value,root){var h=Selector.handlers;for(var i=0,results=[],node;node=nodes[i];i++){if(!h.previousElementSibling(node)&&!h.nextElementSibling(node)){results.push(node)}}return results},"nth-child":function(nodes,formula,root){return Selector.pseudos.nth(nodes,formula,root)},"nth-last-child":function(nodes,formula,root){return Selector.pseudos.nth(nodes,formula,root,true)},"nth-of-type":function(nodes,formula,root){return Selector.pseudos.nth(nodes,formula,root,false,true)},"nth-last-of-type":function(nodes,formula,root){return Selector.pseudos.nth(nodes,formula,root,true,true)},"first-of-type":function(nodes,formula,root){return Selector.pseudos.nth(nodes,"1",root,false,true)},"last-of-type":function(nodes,formula,root){return Selector.pseudos.nth(nodes,"1",root,true,true)},"only-of-type":function(nodes,formula,root){var p=Selector.pseudos;return p["last-of-type"](p["first-of-type"](nodes,formula,root),formula,root)},getIndices:function(a,b,total){if(a==0){return b>0?[b]:[]}return $R(1,total).inject([],function(memo,i){if(0==(i-b)%a&&(i-b)/a>=0){memo.push(i)}return memo})},nth:function(nodes,formula,root,reverse,ofType){if(nodes.length==0){return[]}if(formula=="even"){formula="2n+0"}if(formula=="odd"){formula="2n+1"}var h=Selector.handlers,results=[],indexed=[],m;h.mark(nodes);for(var i=0,node;node=nodes[i];i++){if(!node.parentNode._counted){h.index(node.parentNode,reverse,ofType);indexed.push(node.parentNode)}}if(formula.match(/^\d+$/)){formula=Number(formula);for(var i=0,node;node=nodes[i];i++){if(node.nodeIndex==formula){results.push(node)}}}else{if(m=formula.match(/^(-?\d*)?n(([+-])(\d+))?/)){if(m[1]=="-"){m[1]=-1}var a=m[1]?Number(m[1]):1;var b=m[2]?Number(m[2]):0;var indices=Selector.pseudos.getIndices(a,b,nodes.length);for(var i=0,node,l=indices.length;node=nodes[i];i++){for(var j=0;j<l;j++){if(node.nodeIndex==indices[j]){results.push(node)}}}}}h.unmark(nodes);h.unmark(indexed);return results},empty:function(nodes,value,root){for(var i=0,results=[],node;node=nodes[i];i++){if(node.tagName=="!"||(node.firstChild&&!node.innerHTML.match(/^\s*$/))){continue}results.push(node)}return results},not:function(nodes,selector,root){var h=Selector.handlers,selectorType,m;var exclusions=new Selector(selector).findElements(root);h.mark(exclusions);for(var i=0,results=[],node;node=nodes[i];i++){if(!node._counted){results.push(node)}}h.unmark(exclusions);return results},enabled:function(nodes,value,root){for(var i=0,results=[],node;node=nodes[i];i++){if(!node.disabled){results.push(node)}}return results},disabled:function(nodes,value,root){for(var i=0,results=[],node;node=nodes[i];i++){if(node.disabled){results.push(node)}}return results},checked:function(nodes,value,root){for(var i=0,results=[],node;node=nodes[i];i++){if(node.checked){results.push(node)}}return results}},operators:{"=":function(nv,v){return nv==v},"!=":function(nv,v){return nv!=v},"^=":function(nv,v){return nv.startsWith(v)},"$=":function(nv,v){return nv.endsWith(v)},"*=":function(nv,v){return nv.include(v)},"~=":function(nv,v){return(" "+nv+" ").include(" "+v+" ")},"|=":function(nv,v){return("-"+nv.toUpperCase()+"-").include("-"+v.toUpperCase()+"-")}},matchElements:function(elements,expression){var matches=new Selector(expression).findElements(),h=Selector.handlers;h.mark(matches);for(var i=0,results=[],element;element=elements[i];i++){if(element._counted){results.push(element)}}h.unmark(matches);return results},findElement:function(elements,expression,index){if(typeof expression=="number"){index=expression;expression=false}return Selector.matchElements(elements,expression||"*")[index||0]},findChildElements:function(element,expressions){var exprs=expressions.join(","),expressions=[];exprs.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/,function(m){expressions.push(m[1].strip())});var results=[],h=Selector.handlers;for(var i=0,l=expressions.length,selector;i<l;i++){selector=new Selector(expressions[i].strip());h.concat(results,selector.findElements(element))}return(l>1)?h.unique(results):results}});function $$(){return Selector.findChildElements(document,$A(arguments))}var Form={reset:function(form){$(form).reset();return form},serializeElements:function(elements,getHash){var data=elements.inject({},function(result,element){if(!element.disabled&&element.name){var key=element.name,value=$(element).getValue();if(value!=null){if(key in result){if(result[key].constructor!=Array){result[key]=[result[key]]}result[key].push(value)}else{result[key]=value}}}return result});return getHash?data:Hash.toQueryString(data)}};Form.Methods={serialize:function(form,getHash){return Form.serializeElements(Form.getElements(form),getHash)},getElements:function(form){return $A($(form).getElementsByTagName("*")).inject([],function(elements,child){if(Form.Element.Serializers[child.tagName.toLowerCase()]){elements.push(Element.extend(child))}return elements})},getInputs:function(form,typeName,name){form=$(form);var inputs=form.getElementsByTagName("input");if(!typeName&&!name){return $A(inputs).map(Element.extend)}for(var i=0,matchingInputs=[],length=inputs.length;i<length;i++){var input=inputs[i];if((typeName&&input.type!=typeName)||(name&&input.name!=name)){continue}matchingInputs.push(Element.extend(input))}return matchingInputs},disable:function(form){form=$(form);Form.getElements(form).invoke("disable");return form},enable:function(form){form=$(form);Form.getElements(form).invoke("enable");return form},findFirstElement:function(form){return $(form).getElements().find(function(element){return element.type!="hidden"&&!element.disabled&&["input","select","textarea"].include(element.tagName.toLowerCase())})},focusFirstElement:function(form){form=$(form);form.findFirstElement().activate();return form},request:function(form,options){form=$(form),options=Object.clone(options||{});var params=options.parameters;options.parameters=form.serialize(true);if(params){if(typeof params=="string"){params=params.toQueryParams()}Object.extend(options.parameters,params)}if(form.hasAttribute("method")&&!options.method){options.method=form.method}return new Ajax.Request(form.readAttribute("action"),options)}};Form.Element={focus:function(element){$(element).focus();return element},select:function(element){$(element).select();return element}};Form.Element.Methods={serialize:function(element){element=$(element);if(!element.disabled&&element.name){var value=element.getValue();if(value!=undefined){var pair={};pair[element.name]=value;return Hash.toQueryString(pair)}}return""},getValue:function(element){element=$(element);var method=element.tagName.toLowerCase();return Form.Element.Serializers[method](element)},clear:function(element){$(element).value="";return element},present:function(element){return $(element).value!=""},activate:function(element){element=$(element);try{element.focus();if(element.select&&(element.tagName.toLowerCase()!="input"||!["button","reset","submit"].include(element.type))){element.select()}}catch(e){}return element},disable:function(element){element=$(element);element.blur();element.disabled=true;return element},enable:function(element){element=$(element);element.disabled=false;return element}};var Field=Form.Element;var $F=Form.Element.Methods.getValue;Form.Element.Serializers={input:function(element){switch(element.type.toLowerCase()){case"checkbox":case"radio":return Form.Element.Serializers.inputSelector(element);default:return Form.Element.Serializers.textarea(element)}},inputSelector:function(element){return element.checked?element.value:null},textarea:function(element){return element.value},select:function(element){return this[element.type=="select-one"?"selectOne":"selectMany"](element)},selectOne:function(element){var index=element.selectedIndex;return index>=0?this.optionValue(element.options[index]):null},selectMany:function(element){var values,length=element.length;if(!length){return null}for(var i=0,values=[];i<length;i++){var opt=element.options[i];if(opt.selected){values.push(this.optionValue(opt))}}return values},optionValue:function(opt){return Element.extend(opt).hasAttribute("value")?opt.value:opt.text}};Abstract.TimedObserver=function(){};Abstract.TimedObserver.prototype={initialize:function(element,frequency,callback){this.frequency=frequency;this.element=$(element);this.callback=callback;this.lastValue=this.getValue();this.registerCallback()},registerCallback:function(){setInterval(this.onTimerEvent.bind(this),this.frequency*1000)},onTimerEvent:function(){var value=this.getValue();var changed=("string"==typeof this.lastValue&&"string"==typeof value?this.lastValue!=value:String(this.lastValue)!=String(value));if(changed){this.callback(this.element,value);this.lastValue=value}}};Form.Element.Observer=Class.create();Form.Element.Observer.prototype=Object.extend(new Abstract.TimedObserver(),{getValue:function(){return Form.Element.getValue(this.element)}});Form.Observer=Class.create();Form.Observer.prototype=Object.extend(new Abstract.TimedObserver(),{getValue:function(){return Form.serialize(this.element)}});Abstract.EventObserver=function(){};Abstract.EventObserver.prototype={initialize:function(element,callback){this.element=$(element);this.callback=callback;this.lastValue=this.getValue();if(this.element.tagName.toLowerCase()=="form"){this.registerFormCallbacks()}else{this.registerCallback(this.element)}},onElementEvent:function(){var value=this.getValue();if(this.lastValue!=value){this.callback(this.element,value);this.lastValue=value}},registerFormCallbacks:function(){Form.getElements(this.element).each(this.registerCallback.bind(this))},registerCallback:function(element){if(element.type){switch(element.type.toLowerCase()){case"checkbox":case"radio":Event.observe(element,"click",this.onElementEvent.bind(this));break;default:Event.observe(element,"change",this.onElementEvent.bind(this));break}}}};Form.Element.EventObserver=Class.create();Form.Element.EventObserver.prototype=Object.extend(new Abstract.EventObserver(),{getValue:function(){return Form.Element.getValue(this.element)}});Form.EventObserver=Class.create();Form.EventObserver.prototype=Object.extend(new Abstract.EventObserver(),{getValue:function(){return Form.serialize(this.element)}});if(!window.Event){var Event=new Object()}Object.extend(Event,{KEY_BACKSPACE:8,KEY_TAB:9,KEY_RETURN:13,KEY_ESC:27,KEY_LEFT:37,KEY_UP:38,KEY_RIGHT:39,KEY_DOWN:40,KEY_DELETE:46,KEY_HOME:36,KEY_END:35,KEY_PAGEUP:33,KEY_PAGEDOWN:34,element:function(event){return $(event.target||event.srcElement)},isLeftClick:function(event){return(((event.which)&&(event.which==1))||((event.button)&&(event.button==1)))},pointerX:function(event){return event.pageX||(event.clientX+(document.documentElement.scrollLeft||document.body.scrollLeft))},pointerY:function(event){return event.pageY||(event.clientY+(document.documentElement.scrollTop||document.body.scrollTop))},stop:function(event){if(event.preventDefault){event.preventDefault();event.stopPropagation()}else{event.returnValue=false;event.cancelBubble=true}},findElement:function(event,tagName){var element=Event.element(event);while(element.parentNode&&(!element.tagName||(element.tagName.toUpperCase()!=tagName.toUpperCase()))){element=element.parentNode}return element},observers:false,_observeAndCache:function(element,name,observer,useCapture){if(!this.observers){this.observers=[]}if(element.addEventListener){this.observers.push([element,name,observer,useCapture]);element.addEventListener(name,observer,useCapture)}else{if(element.attachEvent){this.observers.push([element,name,observer,useCapture]);element.attachEvent("on"+name,observer)}}},unloadCache:function(){if(!Event.observers){return}for(var i=0,length=Event.observers.length;i<length;i++){Event.stopObserving.apply(this,Event.observers[i]);Event.observers[i][0]=null}Event.observers=false},observe:function(element,name,observer,useCapture){element=$(element);useCapture=useCapture||false;if(name=="keypress"&&(Prototype.Browser.WebKit||element.attachEvent)){name="keydown"}Event._observeAndCache(element,name,observer,useCapture)},stopObserving:function(element,name,observer,useCapture){element=$(element);useCapture=useCapture||false;if(name=="keypress"&&(Prototype.Browser.WebKit||element.attachEvent)){name="keydown"}if(element.removeEventListener){element.removeEventListener(name,observer,useCapture)}else{if(element.detachEvent){try{element.detachEvent("on"+name,observer)}catch(e){}}}}});if(Prototype.Browser.IE){Event.observe(window,"unload",Event.unloadCache,false)}var Position={includeScrollOffsets:false,prepare:function(){this.deltaX=window.pageXOffset||document.documentElement.scrollLeft||document.body.scrollLeft||0;this.deltaY=window.pageYOffset||document.documentElement.scrollTop||document.body.scrollTop||0},realOffset:function(element){var valueT=0,valueL=0;do{valueT+=element.scrollTop||0;valueL+=element.scrollLeft||0;element=element.parentNode}while(element);return[valueL,valueT]},cumulativeOffset:function(element){var valueT=0,valueL=0;do{valueT+=element.offsetTop||0;valueL+=element.offsetLeft||0;element=element.offsetParent}while(element);return[valueL,valueT]},positionedOffset:function(element){var valueT=0,valueL=0;do{valueT+=element.offsetTop||0;valueL+=element.offsetLeft||0;element=element.offsetParent;if(element){if(element.tagName=="BODY"){break}var p=Element.getStyle(element,"position");if(p=="relative"||p=="absolute"){break}}}while(element);return[valueL,valueT]},offsetParent:function(element){if(element.offsetParent){return element.offsetParent}if(element==document.body){return element}while((element=element.parentNode)&&element!=document.body){if(Element.getStyle(element,"position")!="static"){return element}}return document.body},within:function(element,x,y){if(this.includeScrollOffsets){return this.withinIncludingScrolloffsets(element,x,y)}this.xcomp=x;this.ycomp=y;this.offset=this.cumulativeOffset(element);return(y>=this.offset[1]&&y<this.offset[1]+element.offsetHeight&&x>=this.offset[0]&&x<this.offset[0]+element.offsetWidth)},withinIncludingScrolloffsets:function(element,x,y){var offsetcache=this.realOffset(element);this.xcomp=x+offsetcache[0]-this.deltaX;this.ycomp=y+offsetcache[1]-this.deltaY;this.offset=this.cumulativeOffset(element);return(this.ycomp>=this.offset[1]&&this.ycomp<this.offset[1]+element.offsetHeight&&this.xcomp>=this.offset[0]&&this.xcomp<this.offset[0]+element.offsetWidth)},overlap:function(mode,element){if(!mode){return 0}if(mode=="vertical"){return((this.offset[1]+element.offsetHeight)-this.ycomp)/element.offsetHeight}if(mode=="horizontal"){return((this.offset[0]+element.offsetWidth)-this.xcomp)/element.offsetWidth}},page:function(forElement){var valueT=0,valueL=0;var element=forElement;do{valueT+=element.offsetTop||0;valueL+=element.offsetLeft||0;if(element.offsetParent==document.body){if(Element.getStyle(element,"position")=="absolute"){break}}}while(element=element.offsetParent);element=forElement;do{if(!window.opera||element.tagName=="BODY"){valueT-=element.scrollTop||0;valueL-=element.scrollLeft||0}}while(element=element.parentNode);return[valueL,valueT]},clone:function(source,target){var options=Object.extend({setLeft:true,setTop:true,setWidth:true,setHeight:true,offsetTop:0,offsetLeft:0},arguments[2]||{});source=$(source);var p=Position.page(source);target=$(target);var delta=[0,0];var parent=null;if(Element.getStyle(target,"position")=="absolute"){parent=Position.offsetParent(target);delta=Position.page(parent)}if(parent==document.body){delta[0]-=document.body.offsetLeft;delta[1]-=document.body.offsetTop}if(options.setLeft){target.style.left=(p[0]-delta[0]+options.offsetLeft)+"px"}if(options.setTop){target.style.top=(p[1]-delta[1]+options.offsetTop)+"px"}if(options.setWidth){target.style.width=source.offsetWidth+"px"}if(options.setHeight){target.style.height=source.offsetHeight+"px"}},absolutize:function(element){element=$(element);if(element.style.position=="absolute"){return}Position.prepare();var offsets=Position.positionedOffset(element);var top=offsets[1];var left=offsets[0];var width=element.clientWidth;var height=element.clientHeight;element._originalLeft=left-parseFloat(element.style.left||0);element._originalTop=top-parseFloat(element.style.top||0);element._originalWidth=element.style.width;element._originalHeight=element.style.height;element.style.position="absolute";element.style.top=top+"px";element.style.left=left+"px";element.style.width=width+"px";element.style.height=height+"px"},relativize:function(element){element=$(element);if(element.style.position=="relative"){return}Position.prepare();element.style.position="relative";var top=parseFloat(element.style.top||0)-(element._originalTop||0);var left=parseFloat(element.style.left||0)-(element._originalLeft||0);element.style.top=top+"px";element.style.left=left+"px";element.style.height=element._originalHeight;element.style.width=element._originalWidth}};if(Prototype.Browser.WebKit){Position.cumulativeOffset=function(element){var valueT=0,valueL=0;do{valueT+=element.offsetTop||0;valueL+=element.offsetLeft||0;if(element.offsetParent==document.body){if(Element.getStyle(element,"position")=="absolute"){break}}element=element.offsetParent}while(element);return[valueL,valueT]}}Element.addMethods();