var Prototype={Version:'1.5.0',BrowserFeatures:{XPath:!!document.evaluate},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.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;}},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=$A(arguments),object=args.shift();return function(event){return __method.apply(object,[(event||window.event)].concat(args).concat($A(arguments)))}}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){$R(0,this,true).each(iterator);return this}});var Try={these:function(){var returnValue;for(var i=0,length=arguments.length;i<length;i++){var lambda=arguments[i];try{returnValue=lambda();break}catch(e){}}return returnValue}}var PeriodicalExecuter=Class.create();PeriodicalExecuter.prototype={initialize:function(callback,frequency){this.callback=callback;this.frequency=frequency;this.currentlyExecuting=false;this.registerCallback()},registerCallback:function(){this.timer=setInterval(this.onTimerEvent.bind(this),this.frequency*1000)},stop:function(){if(!this.timer)return;clearInterval(this.timer);this.timer=null},onTimerEvent:function(){if(!this.currentlyExecuting){try{this.currentlyExecuting=true;this.callback(this)}finally{this.currentlyExecuting=false}}}}String.interpret=function(value){return value==null?'':String(value)}Object.extend(String.prototype,{gsub:function(pattern,replacement){var result='',source=this,match;replacement=arguments.callee.prepareReplacement(replacement);while(source.length>0){if(match=source.match(pattern)){result+=source.slice(0,match.index);result+=String.interpret(replacement(match));source=source.slice(match.index+match[0].length)}else{result+=source,source=''}}return 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this.extractScripts().map(function(script){return eval(script)})},escapeHTML:function(){var div=document.createElement('div');var text=document.createTextNode(this);div.appendChild(text);return div.innerHTML},unescapeHTML:function(){var div=document.createElement('div');div.innerHTML=this.stripTags();return div.childNodes[0]?(div.childNodes.length>1?$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 name=decodeURIComponent(pair[0]);var value=pair[1]?decodeURIComponent(pair[1]):undefined;if(hash[name]!==undefined){if(hash[name].constructor!=Array)hash[name]=[hash[name]];if(value)hash[name].push(value)}else hash[name]=value}return hash})},toArray:function(){return this.split('')},succ:function(){return 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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+String.interpret(object[match[3]])})}}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;}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 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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 $A=Array.from=function(iterable){if(!iterable)return[];if(iterable.toArray){return iterable.toArray()}else{var results=[];for(var i=0,length=iterable.length;i<length;i++)results.push(iterable[i]);return results}}Object.extend(Array.prototype,Enumerable);if(!Array.prototype._reverse)Array.prototype._reverse=Array.prototype.reverse;Object.extend(Array.prototype,{_each:function(iterator){for(var i=0,length=this.length;i<length;i++)iterator(this[i])},clear:function(){this.length=0;return this},first:function(){return this[0]},last:function(){return this[this.length-1]},compact:function(){return this.select(function(value){return value!=null})},flatten:function(){return this.inject([],function(array,value){return array.concat(value&&value.constructor==Array?value.flatten():[value])})},without:function(){var values=$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(){return this.inject([],function(array,value){return array.include(value)?array:array.concat([value])})},clone:function(){return[].concat(this)},size:function(){return this.length},inspect:function(){return'['+this.map(Object.inspect).join(', ')+']'}});Array.prototype.toArray=Array.prototype.clone;function $w(string){string=string.strip();return string?string.split(/\s+/):[]}if(window.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(obj){Object.extend(this,obj||{})};Object.extend(Hash,{toQueryString:function(obj){var parts=[];this.prototype._each.call(obj,function(pair){if(!pair.key)return;if(pair.value&&pair.value.constructor==Array){var values=pair.value.compact();if(values.length<2)pair.value=values.reduce();else{key=encodeURIComponent(pair.key);values.each(function(value){value=value!=undefined?encodeURIComponent(value):'';parts.push(key+'='+encodeURIComponent(value))});return}}if(pair.value==undefined)pair[1]='';parts.push(pair.map(encodeURIComponent).join('='))});return parts.join('&')}});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(', ')+'}>'}});function $H(object){if(object&&object.constructor==Hash)return object;return new Hash(object)};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 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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=this.options.parameters;if(!['get','post'].include(this.method)){params['_method']=this.method;this.method='post'}params=Hash.toQueryString(params);if(params&&/Konqueror|Safari|KHTML/.test(navigator.userAgent))params+='&_='if(this.method=='get'&&params)this.url+=(this.url.indexOf('?')>-1?'&':'?')+params;try{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();var body=this.method=='post'?(this.options.postBody||params):null;this.transport.send(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 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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 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i=0,length=children.length;i<length;i++){child=children[i];if(Element.hasClassName(child,className))elements.push(Element.extend(child))}return elements}};if(!window.Element)var Element=new Object();Element.extend=function(element){if(!element||_nativeExtensions||element.nodeType==3)return element;if(!element._extended&&element.tagName&&element!=window){var methods=Object.clone(Element.Methods),cache=Element.extend.cache;if(element.tagName=='FORM')Object.extend(methods,Form.Methods);if(['INPUT','TEXTAREA','SELECT'].include(element.tagName))Object.extend(methods,Form.Element.Methods);Object.extend(methods,Element.Methods.Simulated);for(var property in methods){var value=methods[property];if(typeof value=='function'&&!(property in element))element[property]=cache.findOrStore(value)}}element._extended=true;return element};Element.extend.cache={findOrStore:function(value){return this[value]=this[value]||function(){return 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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 $(element).recursivelyCollect('parentNode')},descendants:function(element){return 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Selector.findElement($(element).previousSiblings(),expression,index)},next:function(element,expression,index){return Selector.findElement($(element).nextSiblings(),expression,index)},getElementsBySelector:function(){var args=$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(document.all&&!window.opera){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];if(attribute)return attribute.nodeValue}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 $(element).innerHTML.match(/^\s*$/)},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);if(['float','cssFloat'].include(style))style=(typeof element.style.styleFloat!='undefined'?'styleFloat':'cssFloat');style=style.camelize();var value=element.style[style];if(!value){if(document.defaultView&&document.defaultView.getComputedStyle){var css=document.defaultView.getComputedStyle(element,null);value=css?css[style]:null}else if(element.currentStyle){value=element.currentStyle[style]}}if((value=='auto')&&['width','height'].include(style)&&(element.getStyle('display')!='none'))value=element['offset'+style.capitalize()]+'px';if(window.opera&&['left','top','right','bottom'].include(style))if(Element.getStyle(element,'position')=='static')value='auto';if(style=='opacity'){if(value)return parseFloat(value);if(value=(element.getStyle('filter')||'').match(/alpha\(opacity=(.*)\)/))if(value[1])return parseFloat(value[1])/100;return 1.0}return value=='auto'?null:value},setStyle:function(element,style){element=$(element);for(var name in style){var value=style[name];if(name=='opacity'){if(value==1){value=(/Gecko/.test(navigator.userAgent)&&!/Konqueror|Safari|KHTML/.test(navigator.userAgent))?0.999999:1.0;if(/MSIE/.test(navigator.userAgent)&&!window.opera)element.style.filter=element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,'')}else if(value===''){if(/MSIE/.test(navigator.userAgent)&&!window.opera)element.style.filter=element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,'')}else{if(value<0.00001)value=0;if(/MSIE/.test(navigator.userAgent)&&!window.opera)element.style.filter=element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,'')+'alpha(opacity='+value*100+')'}}else if(['float','cssFloat'].include(name))name=(typeof element.style.styleFloat!='undefined')?'styleFloat':'cssFloat';element.style[name.camelize()]=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});Element._attributeTranslations={};Element._attributeTranslations.names={colspan:"colSpan",rowspan:"rowSpan",valign:"vAlign",datetime:"dateTime",accesskey:"accessKey",tabindex:"tabIndex",enctype:"encType",maxlength:"maxLength",readonly:"readOnly",longdesc:"longDesc"};Element._attributeTranslations.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}};Object.extend(Element._attributeTranslations.values,{href:Element._attributeTranslations.values._getAttr,src:Element._attributeTranslations.values._getAttr,disabled:Element._attributeTranslations.values._flag,checked:Element._attributeTranslations.values._flag,readonly:Element._attributeTranslations.values._flag,multiple:Element._attributeTranslations.values._flag});Element.Methods.Simulated={hasAttribute:function(element,attribute){var t=Element._attributeTranslations;attribute=t.names[attribute]||attribute;return $(element).getAttributeNode(attribute).specified}};if(document.all&&!window.opera){Element.Methods.update=function(element,html){element=$(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}};Object.extend(Element,Element.Methods);var _nativeExtensions=false;if(/Konqueror|Safari|KHTML/.test(navigator.userAgent))['','Form','Input','TextArea','Select'].each(function(tag){var className='HTML'+tag+'Element';if(window[className])return;var klass=window[className]={};klass.prototype=document.createElement(tag?tag.toLowerCase():'div').__proto__});Element.addMethods=function(methods){Object.extend(Element.Methods,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)}}if(typeof HTMLElement!='undefined'){copy(Element.Methods,HTMLElement.prototype);copy(Element.Methods.Simulated,HTMLElement.prototype,true);copy(Form.Methods,HTMLFormElement.prototype);[HTMLInputElement,HTMLTextAreaElement,HTMLSelectElement].each(function(klass){copy(Form.Element.Methods,klass.prototype)});_nativeExtensions=true}}var Toggle=new Object();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.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.readAttribute("id") == '+clause.inspect());if(clause=params.tagName)conditions.push('element.tagName.toUpperCase() == '+clause.inspect());if((clause=params.classNames).length>0)for(var i=0,length=clause.length;i<length;i++)conditions.push('element.hasClassName('+clause[i].inspect()+')');if(clause=params.attributes){clause.each(function(attribute){var value='element.readAttribute('+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('element.hasAttribute('+attribute.name.inspect()+')');break;default:throw'Unknown operator '+attribute.operator+' in selector';}})}return conditions.join(' && ')},compileMatcher:function(){this.match=new Function('element','if (!element.tagName) return false;       element = $(element);       return '+this.buildMatchExpression())},findElements:function(scope){var element;if(element=$(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,length=scope.length;i<length;i++)if(this.match(element=scope[i]))results.push(Element.extend(element));return results},toString:function(){return this.expression}}Object.extend(Selector,{matchElements:function(elements,expression){var selector=new Selector(expression);return elements.select(selector.match.bind(selector)).map(Element.extend)},findElement:function(elements,expression,index){if(typeof expression=='number')index=expression,expression=false;return Selector.matchElements(elements,expression||'*')[index||0]},findChildElements:function(element,expressions){return expressions.map(function(expression){return expression.match(/[^\s"]+(?:"[^"]*"[^\s"]+)*/g).inject([null],function(results,expr){var selector=new Selector(expr);return results.inject([],function(elements,result){return elements.concat(selector.findElements(result||element))})})}).flatten()}});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!=undefined){if(result[key]){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().each(function(element){element.blur();element.disabled='true'});return form},enable:function(form){form=$(form);form.getElements().each(function(element){element.disabled=''});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}}Object.extend(Form,Form.Methods);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);element.focus();if(element.select&&(element.tagName.toLowerCase()!='input'||!['button','reset','submit'].include(element.type)))element.select();return element},disable:function(element){element=$(element);element.disabled=true;return element},enable:function(element){element=$(element);element.blur();element.disabled=false;return element}}Object.extend(Form.Element,Form.Element.Methods);var Field=Form.Element;var $F=Form.Element.getValue;Form.Element.Serializers={input:function(element){switch(element.type.toLowerCase()){case'checkbox':case'radio':return Form.Element.Serializers.inputSelector(element);default:return Form.Element.Serializers.textarea(element)}},inputSelector:function(element){return element.checked?element.value:null},textarea:function(element){return element.value},select:function(element){return this[element.type=='select-one'?'selectOne':'selectMany'](element)},selectOne:function(element){var index=element.selectedIndex;return index>=0?this.optionValue(element.options[index]):null},selectMany:function(element){var values,length=element.length;if(!length)return null;for(var i=0,values=[];i<length;i++){var opt=element.options[i];if(opt.selected)values.push(this.optionValue(opt))}return values},optionValue:function(opt){return Element.extend(opt).hasAttribute('value')?opt.value:opt.text}}Abstract.TimedObserver=function(){}Abstract.TimedObserver.prototype={initialize:function(element,frequency,callback){this.frequency=frequency;this.element=$(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'&&(navigator.appVersion.match(/Konqueror|Safari|KHTML/)||element.attachEvent))name='keydown';Event._observeAndCache(element,name,observer,useCapture)},stopObserving:function(element,name,observer,useCapture){element=$(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){try{element.detachEvent('on'+name,observer)}catch(e){}}}});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){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(/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]}}Element.addMethods();