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(bN,source){for(property in source){bN[property]=source[property];}return bN;};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 $(){var elements=new Array();for(var i=0;i<arguments.length;i++){var bV=arguments[i];if(typeof bV=='string')bV=document.getElementById(bV);if(arguments.length==1)return bV;elements.push(bV);}return elements;}Object.extend(String.prototype,{stripTags:function(){return this.replace(/<\/?[^>]+>/gi,'');},stripScripts:function(){return this.replace(new RegExp(Prototype.ScriptFragment,'img'),'');},extractScripts:function(){var matchAll=new RegExp(Prototype.ScriptFragment,'img');var matchOne=new RegExp(Prototype.ScriptFragment,'im');return(this.match(matchAll)||[]).map(function(scriptTag){return(scriptTag.match(matchOne)||['',''])[1];});},evalScripts:function(){return this.extractScripts().map(eval);},escapeHTML:function(){var div=document.createElement('div');var text=document.createTextNode(this);div.appendChild(text);return div.innerHTML;},unescapeHTML:function(){var div=document.createElement('div');div.innerHTML=this.stripTags();return div.childNodes[0]?div.childNodes[0].nodeValue:'';},toQueryParams:function(){var pairs=this.match(/^\??(.*)$/)[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,aq,exclusive){this.start=start;this.aq=aq;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.aq;return value<=this.aq;}});var $R=function(start,aq,exclusive){return new ObjectRange(start,aq,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(bV){return $(bV).style.display!='none';},toggle:function(){for(var i=0;i<arguments.length;i++){var bV=$(arguments[i]);Element[Element.visible(bV)?'hide':'show'](bV);}},hide:function(){for(var i=0;i<arguments.length;i++){var bV=$(arguments[i]);bV.style.display='none';}},show:function(){for(var i=0;i<arguments.length;i++){var bV=$(arguments[i]);bV.style.display='';}},blank:function(){for(var i=0;i<arguments.length;i++){var bV=$(arguments[i]);bV.style.visibility='hidden';}},unblank:function(){for(var i=0;i<arguments.length;i++){var bV=$(arguments[i]);bV.style.visibility='visible';}},remove:function(bV){bV=$(bV);bV.parentNode.removeChild(bV);},update:function(bV,html){$(bV).innerHTML=html.stripScripts();setTimeout(function(){html.evalScripts()},10);},getHeight:function(bV){bV=$(bV);return bV.offsetHeight;},classNames:function(bV){return new Element.ClassNames(bV);},hasClassName:function(bV,className){if(!(bV=$(bV)))return;return Element.classNames(bV).include(className);},addClassName:function(bV,className){if(!(bV=$(bV)))return;return Element.classNames(bV).add(className);},removeClassName:function(bV,className){if(!(bV=$(bV)))return;return Element.classNames(bV).remove(className);},cleanWhitespace:function(bV){bV=$(bV);for(var i=0;i<bV.childNodes.length;i++){var node=bV.childNodes[i];if(node.nodeType==3&& !/\S/.test(node.nodeValue))Element.remove(node);}},empty:function(bV){return $(bV).innerHTML.match(/^\s*$/);},scrollTo:function(bV){bV=$(bV);var x=bV.x?bV.x:bV.offsetLeft,y=bV.y?bV.y:bV.offsetTop;window.scrollTo(x,y);},getStyle:function(bV,style){bV=$(bV);var value=bV.style[style.camelize()];if(!value){if(document.defaultView&&document.defaultView.getComputedStyle){var css=document.defaultView.getComputedStyle(bV,null);value=css?css.getPropertyValue(style):null;}else if(bV.currentStyle){value=bV.currentStyle[style.camelize()];}}if(window.opera&&['left','top','right','bottom'].include(style))if(Element.getStyle(bV,'position')=='static')value='auto';return value=='auto'?null:value;},setStyle:function(bV,style){bV=$(bV);for(name in style)bV.style[name.camelize()]=style[name];},getDimensions:function(bV){bV=$(bV);if(Element.getStyle(bV,'display')!='none')return{width:bV.offsetWidth,height:bV.offsetHeight};var els=bV.style;var originalVisibility=els.visibility;var originalPosition=els.position;els.visibility='hidden';els.position='absolute';els.display='';var originalWidth=bV.clientWidth;var originalHeight=bV.clientHeight;els.display='none';els.position=originalPosition;els.visibility=originalVisibility;return{width:originalWidth,height:originalHeight};},makePositioned:function(bV){bV=$(bV);var pos=Element.getStyle(bV,'position');if(pos=='static'|| !pos){bV._madePositioned=true;bV.style.position='relative';if(window.opera){bV.style.top=0;bV.style.left=0;}}},undoPositioned:function(bV){bV=$(bV);if(bV._madePositioned){bV._madePositioned=undefined;bV.style.position=bV.style.top=bV.style.left=bV.style.bottom=bV.style.right='';}},makeClipping:function(bV){bV=$(bV);if(bV._overflow)return;bV._overflow=bV.style.overflow;if((Element.getStyle(bV,'overflow')||'visible')!='hidden')bV.style.overflow='hidden';},undoClipping:function(bV){bV=$(bV);if(bV._overflow)return;bV.style.overflow=bV._overflow;bV._overflow=undefined;}});var Toggle=new Object();Toggle.display=Element.toggle;Abstract.Insertion=function(adjacency){this.adjacency=adjacency;};Abstract.Insertion.prototype={initialize:function(bV,content){this.bV=$(bV);this.content=content.stripScripts();if(this.adjacency&&this.bV.insertAdjacentHTML){try{this.bV.insertAdjacentHTML(this.adjacency,this.content);}catch(e){if(this.bV.tagName.toLowerCase()=='tbody'){this.insertContent(this.contentFromAnonymousTable());}else{throw e;}}}else{this.range=this.bV.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 $A(div.childNodes[0].childNodes[0].childNodes);}};var Insertion=new Object();Insertion.Before=Class.create();Insertion.Before.prototype=Object.extend(new Abstract.Insertion('beforeBegin'),{initializeRange:function(){this.range.setStartBefore(this.bV);},insertContent:function(fragments){fragments.each((function(fragment){this.bV.parentNode.insertBefore(fragment,this.bV);}).bind(this));}});Insertion.Top=Class.create();Insertion.Top.prototype=Object.extend(new Abstract.Insertion('afterBegin'),{initializeRange:function(){this.range.selectNodeContents(this.bV);this.range.collapse(true);},insertContent:function(fragments){fragments.reverse(false).each((function(fragment){this.bV.insertBefore(fragment,this.bV.firstChild);}).bind(this));}});Insertion.Bottom=Class.create();Insertion.Bottom.prototype=Object.extend(new Abstract.Insertion('beforeEnd'),{initializeRange:function(){this.range.selectNodeContents(this.bV);this.range.collapse(this.bV);},insertContent:function(fragments){fragments.each((function(fragment){this.bV.appendChild(fragment);}).bind(this));}});Insertion.After=Class.create();Insertion.After.prototype=Object.extend(new Abstract.Insertion('afterEnd'),{initializeRange:function(){this.range.setStartAfter(this.bV);},insertContent:function(fragments){fragments.each((function(fragment){this.bV.parentNode.insertBefore(fragment,this.bV.nextSibling);}).bind(this));}});Element.ClassNames=Class.create();Element.ClassNames.prototype={initialize:function(bV){this.bV=$(bV);},_each:function(iterator){this.bV.className.split(/\s+/).select(function(name){return name.length>0;})._each(iterator);},set:function(className){this.bV.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++)$(arguments[i]).value='';},focus:function(bV){$(bV).focus();},present:function(){for(var i=0;i<arguments.length;i++)if($(arguments[i]).value=='')return false;return true;},select:function(bV){$(bV).select();},activate:function(bV){bV=$(bV);bV.focus();if(bV.select)bV.select();}};var Form={serialize:function(form){var elements=Form.getElements($(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 Q=form.getElementsByTagName('input');if(!typeName&& !name)return Q;var matchingInputs=new Array();for(var i=0;i<Q.length;i++){var input=Q[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 bV=elements[i];bV.blur();bV.disabled='true';}},enable:function(form){var elements=Form.getElements(form);for(var i=0;i<elements.length;i++){var bV=elements[i];bV.disabled='';}},findFirstElement:function(form){return Form.getElements(form).find(function(bV){return bV.type!='hidden'&& !bV.disabled&&['input','select','textarea'].include(bV.tagName.toLowerCase());});},focusFirstElement:function(form){Field.activate(Form.findFirstElement(form));},reset:function(form){$(form).reset();}};Form.Element={serialize:function(bV){bV=$(bV);var method=bV.tagName.toLowerCase();var parameter=Form.Element.Serializers[method](bV);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(bV){bV=$(bV);var method=bV.tagName.toLowerCase();var parameter=Form.Element.Serializers[method](bV);if(parameter)return parameter[1];}};Form.Element.Serializers={input:function(bV){switch(bV.type.toLowerCase()){case 'submit':case 'hidden':case 'password':case 'text':return Form.Element.Serializers.textarea(bV);case 'checkbox':case 'radio':return Form.Element.Serializers.inputSelector(bV);}return false;},inputSelector:function(bV){if(bV.checked)return[bV.name,bV.value];},textarea:function(bV){return[bV.name,bV.value];},select:function(bV){return Form.Element.Serializers[bV.type=='select-one'?'selectOne':'selectMany'](bV);},selectOne:function(bV){var value='',opt,index=bV.selectedIndex;if(index>=0){opt=bV.options[index];value=opt.value;if(!value&& !('value'in opt))value=opt.text;}return[bV.name,value];},selectMany:function(bV){var value=new Array();for(var i=0;i<bV.length;i++){var opt=bV.options[i];if(opt.selected){var optValue=opt.value;if(!optValue&& !('value'in opt))optValue=opt.text;value.push(optValue);}}return[bV.name,value];}};var $F=Form.Element.getValue;Abstract.TimedObserver=function(){};Abstract.TimedObserver.prototype={initialize:function(bV,frequency,callback){this.frequency=frequency;this.bV=$(bV);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.bV,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.bV);}});Form.Observer=Class.create();Form.Observer.prototype=Object.extend(new Abstract.TimedObserver(),{getValue:function(){return Form.serialize(this.bV);}});Abstract.EventObserver=function(){};Abstract.EventObserver.prototype={initialize:function(bV,callback){this.bV=$(bV);this.callback=callback;this.lastValue=this.getValue();if(this.bV.tagName.toLowerCase()=='form')this.registerFormCallbacks();else this.registerCallback(this.bV);},onElementEvent:function(){var value=this.getValue();if(this.lastValue!=value){this.callback(this.bV,value);this.lastValue=value;}},registerFormCallbacks:function(){var elements=Form.getElements(this.bV);for(var i=0;i<elements.length;i++)this.registerCallback(elements[i]);},registerCallback:function(bV){if(bV.type){switch(bV.type.toLowerCase()){case 'checkbox':case 'radio':Event.observe(bV,'click',this.onElementEvent.bind(this));break;case 'password':case 'text':case 'textarea':case 'select-one':case 'select-multiple':Event.observe(bV,'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.bV);}});Form.EventObserver=Class.create();Form.EventObserver.prototype=Object.extend(new Abstract.EventObserver(),{getValue:function(){return Form.serialize(this.bV);}});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,bV: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 bV=Event.bV(event);while(bV.parentNode&&(!bV.tagName||(bV.tagName.toUpperCase()!=tagName.toUpperCase())))bV=bV.parentNode;return bV;},observers:false,_observeAndCache:function(bV,name,observer,useCapture){if(!this.observers)this.observers=[];if(bV.addEventListener){this.observers.push([bV,name,observer,useCapture]);bV.addEventListener(name,observer,useCapture);}else if(bV.attachEvent){this.observers.push([bV,name,observer,useCapture]);bV.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(bV,name,observer,useCapture){var bV=$(bV);useCapture=useCapture||false;if(name=='keypress'&&(navigator.appVersion.match(/Konqueror|Safari|KHTML/)||bV.attachEvent))name='keydown';this._observeAndCache(bV,name,observer,useCapture);},stopObserving:function(bV,name,observer,useCapture){var bV=$(bV);useCapture=useCapture||false;if(name=='keypress'&&(navigator.appVersion.match(/Konqueror|Safari|KHTML/)||bV.detachEvent))name='keydown';if(bV.removeEventListener){bV.removeEventListener(name,observer,useCapture);}else if(bV.detachEvent){bV.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(bV){var valueT=0,valueL=0;do{valueT+=bV.scrollTop||0;valueL+=bV.scrollLeft||0;bV=bV.parentNode;}while(bV);return[valueL,valueT];},cumulativeOffset:function(bV){var valueT=0,valueL=0;do{valueT+=bV.offsetTop||0;valueL+=bV.offsetLeft||0;bV=bV.offsetParent;}while(bV);return[valueL,valueT];},positionedOffset:function(bV){var valueT=0,valueL=0;do{valueT+=bV.offsetTop||0;valueL+=bV.offsetLeft||0;bV=bV.offsetParent;if(bV){p=Element.getStyle(bV,'position');if(p=='relative'||p=='absolute')break;}}while(bV);return[valueL,valueT];},offsetParent:function(bV){if(bV.offsetParent)return bV.offsetParent;if(bV==document.body)return bV;while((bV=bV.parentNode)&&bV!=document.body)if(Element.getStyle(bV,'position')!='static')return bV;return document.body;},within:function(bV,x,y){if(this.includeScrollOffsets)return this.withinIncludingScrolloffsets(bV,x,y);this.xcomp=x;this.ycomp=y;this.offset=this.cumulativeOffset(bV);return(y>=this.offset[1]&&y<this.offset[1]+bV.offsetHeight&&x>=this.offset[0]&&x<this.offset[0]+bV.offsetWidth);},withinIncludingScrolloffsets:function(bV,x,y){var offsetcache=this.realOffset(bV);this.xcomp=x+offsetcache[0]-this.deltaX;this.ycomp=y+offsetcache[1]-this.deltaY;this.offset=this.cumulativeOffset(bV);return(this.ycomp>=this.offset[1]&&this.ycomp<this.offset[1]+bV.offsetHeight&&this.xcomp>=this.offset[0]&&this.xcomp<this.offset[0]+bV.offsetWidth);},overlap:function(mode,bV){if(!mode)return 0;if(mode=='vertical')return((this.offset[1]+bV.offsetHeight)-this.ycomp)/bV.offsetHeight;if(mode=='horizontal')return((this.offset[0]+bV.offsetWidth)-this.xcomp)/bV.offsetWidth;},clone:function(source,target){source=$(source);target=$(target);target.style.position='absolute';var offsets=this.cumulativeOffset(source);target.style.top=offsets[1]+'px';target.style.left=offsets[0]+'px';target.style.width=source.offsetWidth+'px';target.style.height=source.offsetHeight+'px';},page:function(forElement){var valueT=0,valueL=0;var bV=forElement;do{valueT+=bV.offsetTop||0;valueL+=bV.offsetLeft||0;if(bV.offsetParent==document.body)if(Element.getStyle(bV,'position')=='absolute')break;}while(bV=bV.offsetParent);bV=forElement;do{valueT-=bV.scrollTop||0;valueL-=bV.scrollLeft||0;}while(bV=bV.parentNode);return[valueL,valueT];},clone:function(source,target){var options=Object.extend({setLeft:true,setTop:true,setWidth:true,setHeight:true,offsetTop:0,offsetLeft:0},arguments[2]||{});source=$(source);var p=Position.page(source);target=$(target);var delta=[0,0];var parent=null;if(Element.getStyle(target,'position')=='absolute'){parent=Position.offsetParent(target);delta=Position.page(parent);}if(parent==document.body){delta[0]-=document.body.offsetLeft;delta[1]-=document.body.offsetTop;}if(options.setLeft)target.style.left=(p[0]-delta[0]+options.offsetLeft)+'px';if(options.setTop)target.style.top=(p[1]-delta[1]+options.offsetTop)+'px';if(options.setWidth)target.style.width=source.offsetWidth+'px';if(options.setHeight)target.style.height=source.offsetHeight+'px';},absolutize:function(bV){bV=$(bV);if(bV.style.position=='absolute')return;Position.prepare();var offsets=Position.positionedOffset(bV);var top=offsets[1];var left=offsets[0];var width=bV.clientWidth;var height=bV.clientHeight;bV._originalLeft=left-parseFloat(bV.style.left||0);bV._originalTop=top-parseFloat(bV.style.top||0);bV._originalWidth=bV.style.width;bV._originalHeight=bV.style.height;bV.style.position='absolute';bV.style.top=top+'px';;bV.style.left=left+'px';;bV.style.width=width+'px';;bV.style.height=height+'px';;},relativize:function(bV){bV=$(bV);if(bV.style.position=='relative')return;Position.prepare();bV.style.position='relative';var top=parseFloat(bV.style.top||0)-(bV._originalTop||0);var left=parseFloat(bV.style.left||0)-(bV._originalLeft||0);bV.style.top=top+'px';bV.style.left=left+'px';bV.style.height=bV._originalHeight;bV.style.width=bV._originalWidth;}};if(/Konqueror|Safari|KHTML/.test(navigator.userAgent)){Position.cumulativeOffset=function(bV){var valueT=0,valueL=0;do{valueT+=bV.offsetTop||0;valueL+=bV.offsetLeft||0;if(bV.offsetParent==document.body)if(Element.getStyle(bV,'position')=='absolute')break;bV=bV.offsetParent;}while(bV);return[valueL,valueT];}}