var Prototype={Version:'1.5.0_rc0',ScriptFragment:'(?:<'+'script.*?'+'>)((\n|\r|.)*?)(?:<\/'+'script'+'>)',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.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);}};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;return(function(event){return(__method.call(object,event||window.event));});};Object.extend(Number.prototype,{toColorPart:function(){var digits=this.toString(16);if(this<16)return('0'+digits);return(digits);},succ:function(){return(this+1);},times:function(iterator){$R(0,this,true).each(iterator);return(this);}});var Try={these:function(){var returnValue;for(var i=0;i<arguments.length;i++){var lambda=arguments[i];try{returnValue=lambda();break;}catch(e){}};return(returnValue);}};var PeriodicalExecuter=Class.create();PeriodicalExecuter.prototype={initialize:function(callback,frequency){this.callback=callback;this.frequency=frequency;this.currentlyExecuting=false;this.registerCallback();},registerCallback:function(){setInterval(this.onTimerEvent.bind(this),this.frequency*1000);},onTimerEvent:function(){if(!this.currentlyExecuting){try{this.currentlyExecuting=true;this.callback();}finally{this.currentlyExecuting=false;}};}};Object.extend(String.prototype,{gsub:function(pattern,replacement){var result='',source=this,match;replacement=arguments.callee.prepareReplacement(replacement);while(source.length>0){if(match=source.match(pattern)){result+=source.slice(0,match.index);result+=(replacement(match)||'').toString();source=source.slice(match.index+match[0].length);}else{result+=source,source='';}};return(result);},sub:function(pattern,replacement,count){replacement=this.gsub.prepareReplacement(replacement);count=count===undefined?1:count;return(this.gsub(pattern,function(match){if(--count<0)return(match[0]);return(replacement(match));}));},scan:function(pattern,iterator){this.gsub(pattern,iterator);return(this);},truncate:function(length,truncation){length=length||30;truncation=truncation===undefined?'...':truncation;return(this.length>length?this.slice(0,length-truncation.length)+truncation:this);},strip:function(){return(this.replace(/^\s+/,'').replace(/\s+$/,''));},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 div=document.createElement('div');var text=document.createTextNode(this);div.appendChild(text);return(div.innerHTML);},unescapeHTML:function(){var div=document.createElement('div');div.innerHTML=this.stripTags();return(div.childNodes[0]?div.childNodes[0].nodeValue:'');},toQueryParams:function(){var pairs=this.match(/^\??(.*)$/)[1].split('&');return(pairs.inject({},function(params,pairString){var pair=pairString.split('=');params[pair[0]]=pair[1];return(params);}));},toArray:function(){return(this.split(''));},camelize:function(){var oStringList=this.split('-');if(oStringList.length==1)return(oStringList[0]);var camelizedString=this.indexOf('-')==0 ?oStringList[0].charAt(0).toUpperCase()+oStringList[0].substring(1):oStringList[0];for(var i=1,len=oStringList.length;i<len;i++){var s=oStringList[i];camelizedString+=s.charAt(0).toUpperCase()+s.substring(1);};return(camelizedString);},inspect:function(){return("'"+this.replace(/\\/g,'\\\\').replace(/'/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;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+(object[match[3]]||'').toString());}));}};var $break=new Object();var $continue=new Object();var Enumerable={each:function(iterator){var index=0;try{this._each(function(value){try{iterator(value,index++);}catch(e){if(e!=$continue)throw(e);}});}catch(e){if(e!=$break)throw(e);}},all:function(iterator){var result=true;this.each(function(value,index){result=result&&!!(iterator||Prototype.K)(value,index);if(!result)throw($break);});return(result);},any:function(iterator){var result=true;this.each(function(value,index){if(result=!!(iterator||Prototype.K)(value,index))throw($break);});return(result);},collect:function(iterator){var results=[];this.each(function(value,index){results.push(iterator(value,index));});return(results);},detect:function(iterator){var result;this.each(function(value,index){if(iterator(value,index)){result=value;throw($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($break);}});return(found);},inject:function(memo,iterator){this.each(function(value,index){memo=iterator(memo,value,index);});return(memo);},invoke:function(method){var args=$A(arguments).slice(1);return(this.collect(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.collect(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.collect(Prototype.K));},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)));}));},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 $A=Array.from=function(iterable){if(!iterable)return([]);if(iterable.toArray){return(iterable.toArray());}else{var results=[];for(var i=0;i<iterable.length;i++)results.push(iterable[i]);return(results);}};Object.extend(Array.prototype,Enumerable);if(!Array.prototype._reverse)Array.prototype._reverse=Array.prototype.reverse;Object.extend(Array.prototype,{_each:function(iterator){for(var i=0;i<this.length;i++)iterator(this[i]);},clear:function(){this.length=0;return(this);},first:function(){return(this[0]);},last:function(){return(this[this.length-1]);},compact:function(){return(this.select(function(value){return(value!=undefined||value!=null);}));},flatten:function(){return(this.inject([],function(array,value){return(array.concat(value&&value.constructor==Array?value.flatten():[value]));}));},without:function(){var values=$A(arguments);return(this.select(function(value){return(!values.include(value));}));},indexOf:function(object){for(var i=0;i<this.length;i++)if(this[i]==object)return(i);return(-1);},reverse:function(inline){return((inline!==false?this:this.toArray())._reverse());},inspect:function(){return('['+this.map(Object.inspect).join(', ')+']');}});var Hash={_each:function(iterator){for(var key in this){var value=this[key];if(typeof value=='function')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($H(hash).inject($H(this),function(mergedHash,pair){mergedHash[pair.key]=pair.value;return(mergedHash);}));},toQueryString:function(){return(this.map(function(pair){return(pair.map(encodeURIComponent).join('='));}).join('&'));},inspect:function(){return('#<Hash:{'+this.map(function(pair){return(pair.map(Object.inspect).join(': '));}).join(', ')+'}>');}};function $H(object){var hash=Object.extend({},object||{});Object.extend(hash,Enumerable);Object.extend(hash,Hash);return(hash);};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;do{iterator(value);value=value.succ();}while(this.include(value));},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(responderToAdd){if(!this.include(responderToAdd))this.responders.push(responderToAdd);},unregister:function(responderToRemove){this.responders=this.responders.without(responderToRemove);},dispatch:function(callback,request,transport,json){this.each(function(responder){if(responder[callback]&&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',parameters:''};Object.extend(this.options,options||{});},responseIsSuccess:function(){return(this.transport.status==undefined ||this.transport.status==0 ||(this.transport.status>=200&&this.transport.status<300));},responseIsFailure:function(){return(!this.responseIsSuccess());}};Ajax.Request=Class.create();Ajax.Request.Events=['Uninitialized','Loading','Loaded','Interactive','Complete'];Ajax.Request.prototype=Object.extend(new Ajax.Base(),{initialize:function(url,options){this.transport=Ajax.getTransport();this.setOptions(options);this.request(url);},request:function(url){var parameters=this.options.parameters||'';if(parameters.length>0)parameters+='&_=';try{this.url=url;if(this.options.method=='get'&&parameters.length>0)this.url+=(this.url.match(/\?/)?'&':'?')+parameters;Ajax.Responders.dispatch('onCreate',this,this.transport);this.transport.open(this.options.method,this.url,this.options.asynchronous);if(this.options.asynchronous){this.transport.onreadystatechange=this.onStateChange.bind(this);setTimeout((function(){this.respondToReadyState(1)}).bind(this),10);};this.setRequestHeaders();var body=this.options.postBody?this.options.postBody:parameters;this.transport.send(this.options.method=='post'?body:null);}catch(e){this.dispatchException(e);}},setRequestHeaders:function(){var requestHeaders=['X-Requested-With','XMLHttpRequest','X-Prototype-Version',Prototype.Version,'Accept','text/javascript, text/html, application/xml, text/xml, */*'];if(this.options.method=='post'){requestHeaders.push('Content-type',this.options.contentType);if(this.transport.overrideMimeType)requestHeaders.push('Connection','close');};if(this.options.requestHeaders)requestHeaders.push.apply(requestHeaders,this.options.requestHeaders);for(var i=0;i<requestHeaders.length;i+=2)this.transport.setRequestHeader(requestHeaders[i],requestHeaders[i+1]);},onStateChange:function(){var readyState=this.transport.readyState;if(readyState!=1)this.respondToReadyState(this.transport.readyState);},header:function(name){try{return(this.transport.getResponseHeader(name));}catch(e){}},evalJSON:function(){try{return(eval('('+this.header('X-JSON')+')'));}catch(e){}},evalResponse:function(){try{return(eval(this.transport.responseText));}catch(e){this.dispatchException(e);}},respondToReadyState:function(readyState){var event=Ajax.Request.Events[readyState];var transport=this.transport,json=this.evalJSON();if(event=='Complete'){try{(this.options['on'+this.transport.status]||this.options['on'+(this.responseIsSuccess()?'Success':'Failure')]||Prototype.emptyFunction)(transport,json);}catch(e){this.dispatchException(e);};if((this.header('Content-type')||'').match(/^text\/javascript/i))this.evalResponse();};try{(this.options['on'+event]||Prototype.emptyFunction)(transport,json);Ajax.Responders.dispatch('on'+event,this,transport,json);}catch(e){this.dispatchException(e);};if(event=='Complete')this.transport.onreadystatechange=Prototype.emptyFunction;},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.containers={success:container.success?$Prot(container.success):$Prot(container),failure:container.failure?$Prot(container.failure):(container.success?null:$Prot(container))};this.transport=Ajax.getTransport();this.setOptions(options);var onComplete=this.options.onComplete||Prototype.emptyFunction;this.options.onComplete=(function(transport,object){this.updateContent();onComplete(transport,object);}).bind(this);this.request(url);},updateContent:function(){var receiver=this.responseIsSuccess()?this.containers.success:this.containers.failure;var response=this.transport.responseText;if(!this.options.evalScripts)response=response.stripScripts();if(receiver){if(this.options.insertion){new this.options.insertion(receiver,response);}else{Element.update(receiver,response);}};if(this.responseIsSuccess()){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.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 $Prot(){var results=[],element;for(var i=0;i<arguments.length;i++){element=arguments[i];if(typeof element=='string')element=document.getElementById(element);results.push(Element.extend(element));};return(results.length<2?results[0]:results);};document.getElementsByClassName=function(className,parentElement){var children=($Prot(parentElement)||document.body).getElementsByTagName('*');return($A(children).inject([],function(elements,child){if(child.className.match(new RegExp("(^|\\s)"+className+"(\\s|$)")))elements.push(Element.extend(child));return(elements);}));};if(!window.Element)var Element=new Object();Element.extend=function(element){if(!element)return;if(_nativeExtensions)return(element);if(!element._extended&&element.tagName&&element!=window){var methods=Element.Methods,cache=Element.extend.cache;for(property in methods){var value=methods[property];if(typeof value=='function')element[property]=cache.findOrStore(value);}};element._extended=true;return(element);};Element.extend.cache={findOrStore:function(value){return(this[value]=this[value]||function(){return(value.apply(null,[this].concat($A(arguments))));});}};Element.Methods={visible:function(element){return($Prot(element).style.display!='none');},toggle:function(){for(var i=0;i<arguments.length;i++){var element=$Prot(arguments[i]);Element[Element.visible(element)?'hide':'show'](element);}},hide:function(){for(var i=0;i<arguments.length;i++){var element=$Prot(arguments[i]);element.style.display='none';}},show:function(){for(var i=0;i<arguments.length;i++){var element=$Prot(arguments[i]);element.style.display='';}},remove:function(element){element=$Prot(element);element.parentNode.removeChild(element);},update:function(element,html){$Prot(element).innerHTML=html.stripScripts();setTimeout(function(){html.evalScripts()},10);},replace:function(element,html){element=$Prot(element);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);},getHeight:function(element){element=$Prot(element);return(element.offsetHeight);},classNames:function(element){return(new Element.ClassNames(element));},hasClassName:function(element,className){if(!(element=$Prot(element)))return;return(Element.classNames(element).include(className));},addClassName:function(element,className){if(!(element=$Prot(element)))return;return(Element.classNames(element).add(className));},removeClassName:function(element,className){if(!(element=$Prot(element)))return;return(Element.classNames(element).remove(className));},cleanWhitespace:function(element){element=$Prot(element);for(var i=0;i<element.childNodes.length;i++){var node=element.childNodes[i];if(node.nodeType==3&&!/\S/.test(node.nodeValue))Element.remove(node);}},empty:function(element){return($Prot(element).innerHTML.match(/^\s*$/));},childOf:function(element,ancestor){element=$Prot(element),ancestor=$Prot(ancestor);while(element=element.parentNode)if(element==ancestor)return(true);return(false);},scrollTo:function(element){element=$Prot(element);var x=element.x?element.x:element.offsetLeft,y=element.y?element.y:element.offsetTop;window.scrollTo(x,y);},getStyle:function(element,style){element=$Prot(element);var value=element.style[style.camelize()];if(!value){if(document.defaultView&&document.defaultView.getComputedStyle){var css=document.defaultView.getComputedStyle(element,null);value=css?css.getPropertyValue(style):null;}else if(element.currentStyle){value=element.currentStyle[style.camelize()];}};if(window.opera&&['left','top','right','bottom'].include(style))if(Element.getStyle(element,'position')=='static')value='auto';return(value=='auto'?null:value);},setStyle:function(element,style){element=$Prot(element);for(var name in style)element.style[name.camelize()]=style[name];},getDimensions:function(element){element=$Prot(element);if(Element.getStyle(element,'display')!='none')return({width:element.offsetWidth,height:element.offsetHeight});var els=element.style;var originalVisibility=els.visibility;var originalPosition=els.position;els.visibility='hidden';els.position='absolute';els.display='';var originalWidth=element.clientWidth;var originalHeight=element.clientHeight;els.display='none';els.position=originalPosition;els.visibility=originalVisibility;return({width:originalWidth,height:originalHeight});},makePositioned:function(element){element=$Prot(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;}};},undoPositioned:function(element){element=$Prot(element);if(element._madePositioned){element._madePositioned=undefined;element.style.position=element.style.top=element.style.left=element.style.bottom=element.style.right='';}},makeClipping:function(element){element=$Prot(element);if(element._overflow)return;element._overflow=element.style.overflow;if((Element.getStyle(element,'overflow')||'visible')!='hidden')element.style.overflow='hidden';},undoClipping:function(element){element=$Prot(element);if(element._overflow)return;element.style.overflow=element._overflow;element._overflow=undefined;}};Object.extend(Element,Element.Methods);var _nativeExtensions=false;if(!HTMLElement&&/Konqueror|Safari|KHTML/.test(navigator.userAgent)){var HTMLElement={};HTMLElement.prototype=document.createElement('div').__proto__;};Element.addMethods=function(methods){Object.extend(Element.Methods,methods||{});if(typeof HTMLElement!='undefined'){var methods=Element.Methods,cache=Element.extend.cache;for(property in methods){var value=methods[property];if(typeof value=='function')HTMLElement.prototype[property]=cache.findOrStore(value);};_nativeExtensions=true;}};Element.addMethods();var Toggle=new Object();Toggle.display=Element.toggle;Abstract.Insertion=function(adjacency){this.adjacency=adjacency;};Abstract.Insertion.prototype={initialize:function(element,content){this.element=$Prot(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.toLowerCase();if(tagName=='tbody'||tagName=='tr'){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($A(div.childNodes[0].childNodes[0].childNodes));}};var Insertion=new Object();Insertion.Before=Class.create();Insertion.Before.prototype=Object.extend(new Abstract.Insertion('beforeBegin'),{initializeRange:function(){this.range.setStartBefore(this.element);},insertContent:function(fragments){fragments.each((function(fragment){this.element.parentNode.insertBefore(fragment,this.element);}).bind(this));}});Insertion.Top=Class.create();Insertion.Top.prototype=Object.extend(new Abstract.Insertion('afterBegin'),{initializeRange:function(){this.range.selectNodeContents(this.element);this.range.collapse(true);},insertContent:function(fragments){fragments.reverse(false).each((function(fragment){this.element.insertBefore(fragment,this.element.firstChild);}).bind(this));}});Insertion.Bottom=Class.create();Insertion.Bottom.prototype=Object.extend(new Abstract.Insertion('beforeEnd'),{initializeRange:function(){this.range.selectNodeContents(this.element);this.range.collapse(this.element);},insertContent:function(fragments){fragments.each((function(fragment){this.element.appendChild(fragment);}).bind(this));}});Insertion.After=Class.create();Insertion.After.prototype=Object.extend(new Abstract.Insertion('afterEnd'),{initializeRange:function(){this.range.setStartAfter(this.element);},insertContent:function(fragments){fragments.each((function(fragment){this.element.parentNode.insertBefore(fragment,this.element.nextSibling);}).bind(this));}});Element.ClassNames=Class.create();Element.ClassNames.prototype={initialize:function(element){this.element=$Prot(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(this.toArray().concat(classNameToAdd).join(' '));},remove:function(classNameToRemove){if(!this.include(classNameToRemove))return;this.set(this.select(function(className){return(className!=classNameToRemove);}).join(' '));},toString:function(){return(this.toArray().join(' '));}};Object.extend(Element.ClassNames.prototype,Enumerable);var Selector=Class.create();Selector.prototype={initialize:function(expression){this.params={classNames:[]};this.expression=expression.toString().strip();this.parseExpression();this.compileMatcher();},parseExpression:function(){function abort(message){throw('Parse error in selector: '+message);};if(this.expression=='')abort('empty expression');var params=this.params,expr=this.expression,match,modifier,clause,rest;while(match=expr.match(/^(.*)\[([a-z0-9_:-]+?)(?:([~\|!]?=)(?:"([^"]*)"|([^\]\s]*)))?\]$/i)){params.attributes=params.attributes||[];params.attributes.push({name:match[2],operator:match[3],value:match[4]||match[5]||''});expr=match[1];};if(expr=='*')return(this.params.wildcard=true);while(match=expr.match(/^([^a-z0-9_-])?([a-z0-9_-]+)(.*)/i)){modifier=match[1],clause=match[2],rest=match[3];switch(modifier){case'#':params.id=clause;break;case'.':params.classNames.push(clause);break;case'':case undefined:params.tagName=clause.toUpperCase();break;default:abort(expr.inspect());};expr=rest;};if(expr.length>0)abort(expr.inspect());},buildMatchExpression:function(){var params=this.params,conditions=[],clause;if(params.wildcard)conditions.push('true');if(clause=params.id)conditions.push('element.id=='+clause.inspect());if(clause=params.tagName)conditions.push('element.tagName.toUpperCase()=='+clause.inspect());if((clause=params.classNames).length>0)for(var i=0;i<clause.length;i++)conditions.push('Element.hasClassName(element,'+clause[i].inspect()+')');if(clause=params.attributes){clause.each(function(attribute){var value='element.getAttribute('+attribute.name.inspect()+')';var splitValueBy=function(delimiter){return(value+'&&'+value+'.split('+delimiter.inspect()+')');};switch(attribute.operator){case'=':conditions.push(value+'=='+attribute.value.inspect());break;case'~=':conditions.push(splitValueBy(' ')+'.include('+attribute.value.inspect()+')');break;case'|=':conditions.push(splitValueBy('-')+'.first().toUpperCase()=='+attribute.value.toUpperCase().inspect());break;case'!=':conditions.push(value+' != '+attribute.value.inspect());break;case'':case undefined:conditions.push(value+' != null');break;default:throw'Unknown operator '+attribute.operator+' in selector';}});};return(conditions.join(' && '));},compileMatcher:function(){this.match=new Function('element','if(!element.tagName)return(false);return('+this.buildMatchExpression()+');');},findElements:function(scope){var element;if(element=$Prot(this.params.id))if(this.match(element))if(!scope||Element.childOf(element,scope))return([element]);scope=(scope||document).getElementsByTagName(this.params.tagName||'*');var results=[];for(var i=0;i<scope.length;i++)if(this.match(element=scope[i]))results.push(Element.extend(element));return(results);},toString:function(){return(this.expression);}};function $Prot$Prot(){return($A(arguments).map(function(expression){return(expression.strip().split(/\s+/).inject([null],function(results,expr){var selector=new Selector(expr);return(results.map(selector.findElements.bind(selector)).flatten());}));}).flatten());};var Field={clear:function(){for(var i=0;i<arguments.length;i++)$Prot(arguments[i]).value='';},focus:function(element){$Prot(element).focus();},present:function(){for(var i=0;i<arguments.length;i++)if($Prot(arguments[i]).value=='')return(false);return(true);},select:function(element){$Prot(element).select();},activate:function(element){element=$Prot(element);element.focus();if(element.select)element.select();}};var Form={serialize:function(form){var elements=Form.getElements($Prot(form));var queryComponents=new Array();for(var i=0;i<elements.length;i++){var queryComponent=Form.Element.serialize(elements[i]);if(queryComponent)queryComponents.push(queryComponent);};return(queryComponents.join('&'));},getElements:function(form){form=$Prot(form);var elements=new Array();for(var tagName in Form.Element.Serializers){var tagElements=form.getElementsByTagName(tagName);for(var j=0;j<tagElements.length;j++)elements.push(tagElements[j]);};return(elements);},getInputs:function(form,typeName,name){form=$Prot(form);var inputs=form.getElementsByTagName('input');if(!typeName&&!name)return(inputs);var matchingInputs=new Array();for(var i=0;i<inputs.length;i++){var input=inputs[i];if((typeName&&input.type!=typeName)||(name&&input.name!=name))continue;matchingInputs.push(input);};return(matchingInputs);},disable:function(form){var elements=Form.getElements(form);for(var i=0;i<elements.length;i++){var element=elements[i];element.blur();element.disabled='true';}},enable:function(form){var elements=Form.getElements(form);for(var i=0;i<elements.length;i++){var element=elements[i];element.disabled='';}},findFirstElement:function(form){return(Form.getElements(form).find(function(element){return(element.type!='hidden'&&!element.disabled&&['input','select','textarea'].include(element.tagName.toLowerCase()));}));},focusFirstElement:function(form){Field.activate(Form.findFirstElement(form));},reset:function(form){$Prot(form).reset();}};Form.Element={serialize:function(element){element=$Prot(element);var method=element.tagName.toLowerCase();var parameter=Form.Element.Serializers[method](element);if(parameter){var key=encodeURIComponent(parameter[0]);if(key.length==0)return;if(parameter[1].constructor!=Array)parameter[1]=[parameter[1]];return(parameter[1].map(function(value){return(key+'='+encodeURIComponent(value));}).join('&'));}},getValue:function(element){element=$Prot(element);var method=element.tagName.toLowerCase();var parameter=Form.Element.Serializers[method](element);if(parameter)return(parameter[1]);}};Form.Element.Serializers={input:function(element){switch(element.type.toLowerCase()){case'submit':case'hidden':case'password':case'text':return(Form.Element.Serializers.textarea(element));case'checkbox':case'radio':return(Form.Element.Serializers.inputSelector(element));};return(false);},inputSelector:function(element){if(element.checked)return([element.name,element.value]);},textarea:function(element){return([element.name,element.value]);},select:function(element){return(Form.Element.Serializers[element.type=='select-one'?'selectOne':'selectMany'](element));},selectOne:function(element){var value='',opt,index=element.selectedIndex;if(index>=0){opt=element.options[index];value=opt.value||opt.text;};return([element.name,value]);},selectMany:function(element){var value=[];for(var i=0;i<element.length;i++){var opt=element.options[i];if(opt.selected)value.push(opt.value||opt.text);};return([element.name,value]);}};var $F=Form.Element.getValue;Abstract.TimedObserver=function(){};Abstract.TimedObserver.prototype={initialize:function(element,frequency,callback){this.frequency=frequency;this.element=$Prot(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();if(this.lastValue!=value){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=$Prot(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(){var elements=Form.getElements(this.element);for(var i=0;i<elements.length;i++)this.registerCallback(elements[i]);},registerCallback:function(element){if(element.type){switch(element.type.toLowerCase()){case'checkbox':case'radio':Event.observe(element,'click',this.onElementEvent.bind(this));break;case'password':case'text':case'textarea':case'select-one':case'select-multiple':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,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;i<Event.observers.length;i++){Event.stopObserving.apply(this,Event.observers[i]);Event.observers[i][0]=null;};Event.observers=false;},observe:function(element,name,observer,useCapture){var element=$Prot(element);useCapture=useCapture||false;if(name=='keypress'&&(navigator.appVersion.match(/Konqueror|Safari|KHTML/)||element.attachEvent))name='keydown';this._observeAndCache(element,name,observer,useCapture);},stopObserving:function(element,name,observer,useCapture){var element=$Prot(element);useCapture=useCapture||false;if(name=='keypress'&&(navigator.appVersion.match(/Konqueror|Safari|KHTML/)||element.detachEvent))name='keydown';if(element.removeEventListener){element.removeEventListener(name,observer,useCapture);}else if(element.detachEvent){element.detachEvent('on'+name,observer);}};});if(navigator.appVersion.match(/\bMSIE\b/))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){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);},clone:function(source,target){source=$Prot(source);target=$Prot(target);target.style.position='absolute';var offsets=this.cumulativeOffset(source);target.style.top=offsets[1]+'px';target.style.left=offsets[0]+'px';target.style.width=source.offsetWidth+'px';target.style.height=source.offsetHeight+'px';},page:function(forElement){var valueT=0,valueL=0;var element=forElement;do{valueT+=element.offsetTop||0;valueL+=element.offsetLeft||0;if(element.offsetParent==document.body)if(Element.getStyle(element,'position')=='absolute')break;}while(element=element.offsetParent);element=forElement;do{valueT-=element.scrollTop||0;valueL-=element.scrollLeft||0;}while(element=element.parentNode);return([valueL,valueT]);},clone:function(source,target){var options=Object.extend({setLeft:true,setTop:true,setWidth:true,setHeight:true,offsetTop:0,offsetLeft:0 },arguments[2]||{})source=$Prot(source);var p=Position.page(source);target=$Prot(target);var delta=[0,0];var parent=null;if(Element.getStyle(target,'position')=='absolute'){parent=Position.offsetParent(target);delta=Position.page(parent);};if(parent==document.body){delta[0]-=document.body.offsetLeft;delta[1]-=document.body.offsetTop;};if(options.setLeft)target.style.left=(p[0]-delta[0]+options.offsetLeft)+'px';if(options.setTop)target.style.top=(p[1]-delta[1]+options.offsetTop)+'px';if(options.setWidth)target.style.width=source.offsetWidth+'px';if(options.setHeight)target.style.height=source.offsetHeight+'px';},absolutize:function(element){element=$Prot(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=$Prot(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(/Konqueror|Safari|KHTML/.test(navigator.userAgent)){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]);}};