var Prototype={Version:'1.4.0',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(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}}}}
function $(){var elements=new Array()
for(var i=0;i<arguments.length;i++){var element=arguments[i]
if(typeof element=='string')
element=document.getElementById(element)
if(arguments.length==1)
return element
elements.push(element)}
return elements}
Object.extend(String.prototype,{stripTags:function(){return this.replace(/<\/?[^>]+>/gi,'')},stripScripts:function(){return this.replace(new RegExp(Prototype.ScriptFragment,'img'),'')},extractScripts:function(){var matchAll=new RegExp(Prototype.ScriptFragment,'img')
var matchOne=new RegExp(Prototype.ScriptFragment,'im')
return(this.match(matchAll)||[]).map(function(scriptTag){return(scriptTag.match(matchOne)||['',''])[1]})},evalScripts:function(){return this.extractScripts().map(eval)},escapeHTML:function(){var div=document.createElement('div')
var text=document.createTextNode(this)
div.appendChild(text)
return div.innerHTML},unescapeHTML:function(){var div=document.createElement('div')
div.innerHTML=this.stripTags()
return div.childNodes[0]?div.childNodes[0].nodeValue:''},toQueryParams:function(){var pairs=this.match(/^\??(.*)$/)[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('\\','\\\\').replace("'",'\\\'')+"'"}})
String.prototype.parseQuery=String.prototype.toQueryParams
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(value>=(result||value))
result=value})
return result},min:function(iterator){var result
this.each(function(value,index){value=(iterator||Prototype.K)(value,index)
if(value<=(result||value))
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){iterator(value=collections.pluck(index))
return value})},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 $A=Array.from=function(iterable){if(!iterable)return[]
if(iterable.toArray){return iterable.toArray()}else{var results=[]
for(var i=0;i<iterable.length;i++)
results.push(iterable[i])
return results}}
Object.extend(Array.prototype,Enumerable)
Array.prototype._reverse=Array.prototype.reverse
Object.extend(Array.prototype,{_each:function(iterator){for(var i=0;i<this.length;i++)
iterator(this[i])},clear:function(){this.length=0
return this},first:function(){return this[0]},last:function(){return this[this.length-1]},compact:function(){return this.select(function(value){return value!=undefined||value!=null})},flatten:function(){return this.inject([],function(array,value){return array.concat(value.constructor==Array?value.flatten():[value])})},without:function(){var values=$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()},shift:function(){var result=this[0]
for(var i=0;i<this.length-1;i++)
this[i]=this[i+1]
this.length--
return result},inspect:function(){return'['+this.map(Object.inspect).join(', ')+']'}})
var Hash={_each:function(iterator){for(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 ActiveXObject('Msxml2.XMLHTTP')},function(){return new ActiveXObject('Microsoft.XMLHTTP')},function(){return new XMLHttpRequest()})||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,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]
if(this.options.method=='post'){requestHeaders.push('Content-type','application/x-www-form-urlencoded')
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?$(container.success):$(container),failure:container.failure?$(container.failure):(container.success?null:$(container))}
this.transport=Ajax.getTransport()
this.setOptions(options)
var onComplete=this.options.onComplete||Prototype.emptyFunction
this.options.onComplete=(function(transport,object){this.updateContent()
onComplete(transport,object)}).bind(this)
this.request(url)},updateContent:function(){var receiver=this.responseIsSuccess()?this.containers.success:this.containers.failure
var response=this.transport.responseText
if(!this.options.evalScripts)
response=response.stripScripts()
if(receiver){if(this.options.insertion){new this.options.insertion(receiver,response)}else{Element.update(receiver,response)}}
if(this.responseIsSuccess()){if(this.onComplete)
setTimeout(this.onComplete.bind(this),10)}}})
Ajax.PeriodicalUpdater=Class.create()
Ajax.PeriodicalUpdater.prototype=Object.extend(new Ajax.Base(),{initialize:function(container,url,options){this.setOptions(options)
this.onComplete=this.options.onComplete
this.frequency=(this.options.frequency||2)
this.decay=(this.options.decay||1)
this.updater={}
this.container=container
this.url=url
this.start()},start:function(){this.options.onComplete=this.updateComplete.bind(this)
this.onTimerEvent()},stop:function(){this.updater.onComplete=undefined
clearTimeout(this.timer)
(this.onComplete||Prototype.emptyFunction).apply(this,arguments)},updateComplete:function(request){if(this.options.decay){this.decay=(request.responseText==this.lastText?this.decay*this.options.decay:1)
this.lastText=request.responseText}
this.timer=setTimeout(this.onTimerEvent.bind(this),this.decay*this.frequency*1000)},onTimerEvent:function(){this.updater=new Ajax.Updater(this.container,this.url,this.options)}})
document.getElementsByClassName=function(className,parentElement){var children=($(parentElement)||document.body).getElementsByTagName('*')
return $A(children).inject([],function(elements,child){if(child.className.match(new RegExp("(^|\\s)"+className+"(\\s|$)")))
elements.push(child)
return elements})}
if(!window.Element){var Element=new Object()}
Object.extend(Element,{visible:function(element){return $(element).style.display!='none'},toggle:function(){for(var i=0;i<arguments.length;i++){var element=$(arguments[i])
Element[Element.visible(element)?'hide':'show'](element)}},hide:function(){for(var i=0;i<arguments.length;i++){var element=$(arguments[i])
element.style.display='none'}},show:function(){for(var i=0;i<arguments.length;i++){var element=$(arguments[i])
element.style.display=''}},remove:function(element){element=$(element)
element.parentNode.removeChild(element)},update:function(element,html){$(element).innerHTML=html.stripScripts()
setTimeout(function(){html.evalScripts()},10)},getHeight:function(element){element=$(element)
return element.offsetHeight},classNames:function(element){return new Element.ClassNames(element)},hasClassName:function(element,className){if(!(element=$(element)))return
return Element.classNames(element).include(className)},addClassName:function(element,className){if(!(element=$(element)))return
return Element.classNames(element).add(className)},removeClassName:function(element,className){if(!(element=$(element)))return
return Element.classNames(element).remove(className)},cleanWhitespace:function(element){element=$(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 $(element).innerHTML.match(/^\s*$/)},scrollTo:function(element){element=$(element)
var x=element.x?element.x:element.offsetLeft,y=element.y?element.y:element.offsetTop
window.scrollTo(x,y)},getStyle:function(element,style){element=$(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=$(element)
for(name in style)
element.style[name.camelize()]=style[name]},getDimensions:function(element){element=$(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=$(element)
var pos=Element.getStyle(element,'position')
if(pos=='static'||!pos){element._madePositioned=true
element.style.position='relative'
if(window.opera){element.style.top=0
element.style.left=0}}},undoPositioned:function(element){element=$(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=$(element)
if(element._overflow)return
element._overflow=element.style.overflow
if((Element.getStyle(element,'overflow')||'visible')!='hidden')
element.style.overflow='hidden'},undoClipping:function(element){element=$(element)
if(element._overflow)return
element.style.overflow=element._overflow
element._overflow=undefined}})
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){if(this.element.tagName.toLowerCase()=='tbody'){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(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 Field={clear:function(){for(var i=0;i<arguments.length;i++)
$(arguments[i]).value=''},focus:function(element){$(element).focus()},present:function(){for(var i=0;i<arguments.length;i++)
if($(arguments[i]).value=='')return false
return true},select:function(element){$(element).select()},activate:function(element){element=$(element)
element.focus()
if(element.select)
element.select()}}
var Form={serialize:function(form){var elements=Form.getElements($(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=$(form)
var elements=new Array()
for(tagName in Form.Element.Serializers){var tagElements=form.getElementsByTagName(tagName)
for(var j=0;j<tagElements.length;j++)
elements.push(tagElements[j])}
return elements},getInputs:function(form,typeName,name){form=$(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){$(form).reset()}}
Form.Element={serialize:function(element){element=$(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=$(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
if(!value&&!('value'in opt))
value=opt.text}
return[element.name,value]},selectMany:function(element){var value=new Array()
for(var i=0;i<element.length;i++){var opt=element.options[i]
if(opt.selected){var optValue=opt.value
if(!optValue&&!('value'in opt))
optValue=opt.text
value.push(optValue)}}
return[element.name,value]}}
var $F=Form.Element.getValue
Abstract.TimedObserver=function(){}
Abstract.TimedObserver.prototype={initialize:function(element,frequency,callback){this.frequency=frequency
this.element=$(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=$(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=$(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=$(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)}}})
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=$(source)
target=$(target)
target.style.position='absolute'
var offsets=this.cumulativeOffset(source)
target.style.top=offsets[1]+'px'
target.style.left=offsets[0]+'px'
target.style.width=source.offsetWidth+'px'
target.style.height=source.offsetHeight+'px'},page:function(forElement){var valueT=0,valueL=0
var element=forElement
do{valueT+=element.offsetTop||0
valueL+=element.offsetLeft||0
if(element.offsetParent==document.body)
if(Element.getStyle(element,'position')=='absolute')break}while(element=element.offsetParent)
element=forElement
do{valueT-=element.scrollTop||0
valueL-=element.scrollLeft||0}while(element=element.parentNode)
return[valueL,valueT]},clone:function(source,target){var options=Object.extend({setLeft:true,setTop:true,setWidth:true,setHeight:true,offsetTop:0,offsetLeft:0},arguments[2]||{})
source=$(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]}}