{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];};}}