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);}});if(!HTMLElement&&/Konqueror|Safari|KHTML/.test(navigator.userAgent)){var HTMLElement={};HTMLElement.prototype=document.createElement('div').__proto__;};Element.addMethods=function(methods){Object.extend(Element.Methods,methods||{});if(typeof HTMLElement!='undefined'){var methods=Element.Methods,cache=Element.extend.cache;for(property in methods){var value=methods[property];if(typeof value=='function')HTMLElement.prototype[property]=cache.findOrStore(value);};_nativeExtensions=true;}};Element.addMethods();var Toggle=new Object();Toggle.display=Element.toggle;Abstract.Insertion=function(adjacency){this.adjacency=adjacency;};Abstract.Insertion.prototype={initialize:function(element,content){this.element=$Prot(element);this.content=content.stripScripts();if(this.adjacency&&this.element.insertAdjacentHTML){try{this.element.insertAdjacentHTML(this.adjacency,this.content);}catch(e){var tagName=this.element.tagName.toLowerCase();if(tagName=='tbody'||tagName=='tr'){this.insertContent(this.contentFromAnonymousTable());}else{throw(e);}};}else{this.range=this.element.ownerDocument.createRange();if(this.initializeRange)this.initializeRange();this.insertContent([this.range.createContextualFragment(this.content)]);};setTimeout(function(){content.evalScripts()},10);},contentFromAnonymousTable:function(){var div=document.createElement('div');div.innerHTML='<table><tbody>'+this.content+'</tbody></table>';return($A(div.childNodes[0].childNodes[0].childNodes));}};var Insertion=new Object();Insertion.Before=Class.create();Insertion.Before.prototype=Object.extend(new Abstract.Insertion('beforeBegin'),{initializeRange:function(){this.range.setStartBefore(this.element);},insertContent:function(fragments){fragments.each((function(fragment){this.element.parentNode.insertBefore(fragment,this.element);}).bind(this));}});Insertion.Top=Class.create();Insertion.Top.prototype=Object.extend(new Abstract.Insertion('afterBegin'),{initializeRange:function(){this.range.selectNodeContents(this.element);this.range.collapse(true);},insertContent:function(fragments){fragments.reverse(false).each((function(fragment){this.element.insertBefore(fragment,this.element.firstChild);}).bind(this));}});Insertion.Bottom=Class.create();Insertion.Bottom.prototype=Object.extend(new Abstract.Insertion('beforeEnd'),{initializeRange:function(){this.range.selectNodeContents(this.element);this.range.collapse(this.element);},insertContent:function(fragments){fragments.each((function(fragment){this.element.appendChild(fragment);}).bind(this));}});Insertion.After=Class.create();Insertion.After.prototype=Object.extend(new Abstract.Insertion('afterEnd'),{initializeRange:function(){this.range.setStartAfter(this.element);},insertContent:function(fragments){fragments.each((function(fragment){this.element.parentNode.insertBefore(fragment,this.element.nextSibling);}).bind(this));}});Element.ClassNames=Class.create();Element.ClassNames.prototype={initialize:function(element){this.element=$Prot(element);},_each:function(iterator){this.element.className.split(/\s+/).select(function(name){return(name.length>0);})._each(iterator);},set:function(className){this.element.className=className;},add:function(classNameToAdd){if(this.include(classNameToAdd))return;this.set(this.toArray().concat(classNameToAdd).join(' '));},remove:function(classNameToRemove){if(!this.include(classNameToRemove))return;this.set(this.select(function(className){return(className!=classNameToRemove);}).join(' '));},toString:function(){return(this.toArray().join(' '));}};Object.extend(Element.ClassNames.prototype,Enumerable);var Selector=Class.create();Selector.prototype={initialize:function(expression){this.params={classNames:[]};this.expression=expression.toString().strip();this.parseExpression();this.compileMatcher();},parseExpression:function(){function abort(message){throw('Parse error in selector: '+message);};if(this.expression=='')abort('empty expression');var params=this.params,expr=this.expression,match,modifier,clause,rest;while(match=expr.match(/^(.*)\[([a-z0-9_:-]+?)(?:([~\|!]?=)(?:"([^"]*)"|([^\]\s]*)))?\]$/i)){params.attributes=params.attributes||[];params.attributes.push({name:match[2],operator:match[3],value:match[4]||match[5]||''});expr=match[1];};if(expr=='*')return(this.params.wildcard=true);while(match=expr.match(/^([^a-z0-9_-])?([a-z0-9_-]+)(.*)/i)){modifier=match[1],clause=match[2],rest=match[3];switch(modifier){case'#':params.id=clause;break;case'.':params.classNames.push(clause);break;case'':case undefined:params.tagName=clause.toUpperCase();break;default:abort(expr.inspect());};expr=rest;};if(expr.length>0)abort(expr.inspect());},buildMatchExpression:function(){var params=this.params,conditions=[],clause;if(params.wildcard)conditions.push('true');if(clause=params.id)conditions.push('element.id=='+clause.inspect());if(clause=params.tagName)conditions.push('element.tagName.toUpperCase()=='+clause.inspect());if((clause=params.classNames).length>0)for(var i=0;i<clause.length;i++)conditions.push('Element.hasClassName(element,'+clause[i].inspect()+')');if(clause=params.attributes){clause.each(function(attribute){var value='element.getAttribute('+attribute.name.inspect()+')';var splitValueBy=function(delimiter){return(value+'&&'+value+'.split('+delimiter.inspect()+')');};switch(attribute.operator){case'=':conditions.push(value+'=='+attribute.value.inspect());break;case'~=':conditions.push(splitValueBy(' ')+'.include('+attribute.value.inspect()+')');break;case'|=':conditions.push(splitValueBy('-')+'.first().toUpperCase()=='+attribute.value.toUpperCase().inspect());break;case'!=':conditions.push(value+' != '+attribute.value.inspect());break;case'':case undefined:conditions.push(value+' != null');break;default:throw'Unknown operator '+attribute.operator+' in selector';}});};return(conditions.join(' && '));},compileMatcher:function(){this.match=new Function('element','if(!element.tagName)return(false);return('+this.buildMatchExpression()+');');},findElements:function(scope){var element;if(element=$Prot(this.params.id))if(this.match(element))if(!scope||Element.childOf(element,scope))return([element]);scope=(scope||document).getElementsByTagName(this.params.tagName||'*');var results=[];for(var i=0;i<scope.length;i++)if(this.match(element=scope[i]))results.push(Element.extend(element));return(results);},toString:function(){return(this.expression);}};function $Prot$Prot(){return($A(arguments).map(function(expression){return(expression.strip().split(/\s+/).inject([null],function(results,expr){var selector=new Selector(expr);return(results.map(selector.findElements.bind(selector)).flatten());}));}).flatten());};var Field={clear:function(){for(var i=0;i<arguments.length;i++)$Prot(arguments[i]).value='';},focus:function(element){$Prot(element).focus();},present:function(){for(var i=0;i<arguments.length;i++)if($Prot(arguments[i]).value=='')return(false);return(true);},select:function(element){$Prot(element).select();},activate:function(element){element=$Prot(element);element.focus();if(element.select)element.select();}};var Form={serialize:function(form){var elements=Form.getElements($Prot(form));var queryComponents=new Array();for(var i=0;i<elements.length;i++){var queryComponent=Form.Element.serialize(elements[i]);if(queryComponent)queryComponents.push(queryComponent);};return(queryComponents.join('&'));},getElements:function(form){form=$Prot(form);var elements=new Array();for(var tagName in Form.Element.Serializers){var tagElements=form.getElementsByTagName(tagName);for(var j=0;j<tagElements.length;j++)elements.push(tagElements[j]);};return(elements);},getInputs:function(form,typeName,name){form=$Prot(form);var inputs=form.getElementsByTagName('input');if(!typeName&&!name)return(inputs);var matchingInputs=new Array();for(var i=0;i<inputs.length;i++){var input=inputs[i];if((typeName&&input.type!=typeName)||(name&&input.name!=name))continue;matchingInputs.push(input);};return(matchingInputs);},disable:function(form){var elements=Form.getElements(form);for(var i=0;i<elements.length;i++){var element=elements[i];element.blur();element.disabled='true';}},enable:function(form){var elements=Form.getElements(form);for(var i=0;i<elements.length;i++){var element=elements[i];element.disabled='';}},findFirstElement:function(form){return(Form.getElements(form).find(function(element){return(element.type!='hidden'&&!element.disabled&&['input','select','textarea'].include(element.tagName.toLowerCase()));}));},focusFirstElement:function(form){Field.activate(Form.findFirstElement(form));},reset:function(form){$Prot(form).reset();}};Form.Element={serialize:function(element){element=$Prot(element);var method=element.tagName.toLowerCase();var parameter=Form.Element.Serializers[method](element);if(parameter){var key=encodeURIComponent(parameter[0]);if(key.length==0)return;if(parameter[1].constructor!=Array)parameter[1]=[parameter[1]];return(parameter[1].map(function(value){return(key+'='+encodeURIComponent(value));}).join('&'));}},getValue:function(element){element=$Prot(element);var method=element.tagName.toLowerCase();var parameter=Form.Element.Serializers[method](element);if(parameter)return(parameter[1]);}};Form.Element.Serializers={input:function(element){switch(element.type.toLowerCase()){case'submit':case'hidden':case'password':case'text':return(Form.Element.Serializers.textarea(element));case'checkbox':case'radio':return(Form.Element.Serializers.inputSelector(element));};return(false);},inputSelector:function(element){if(element.checked)return([element.name,element.value]);},textarea:function(element){return([element.name,element.value]);},select:function(element){return(Form.Element.Serializers[element.type=='select-one'?'selectOne':'selectMany'](element));},selectOne:function(element){var value='',opt,index=element.selectedIndex;if(index>=0){opt=element.options[index];value=opt.value||opt.text;};return([element.name,value]);},selectMany:function(element){var value=[];for(var i=0;i<element.length;i++){var opt=element.options[i];if(opt.selected)value.push(opt.value||opt.text);};return([element.name,value]);}};var $F=Form.Element.getValue;Abstract.TimedObserver=function(){};Abstract.TimedObserver.prototype={initialize:function(element,frequency,callback){this.frequency=frequency;this.element=$Prot(element);this.callback=callback;this.lastValue=this.getValue();this.registerCallback();},registerCallback:function(){setInterval(this.onTimerEvent.bind(this),this.frequency*1000);},onTimerEvent:function(){var value=this.getValue();if(this.lastValue!=value){this.callback(this.element,value);this.lastValue=value;}};};Form.Element.Observer=Class.create();Form.Element.Observer.prototype=Object.extend(new Abstract.TimedObserver(),{getValue:function(){return(Form.Element.getValue(this.element));}});Form.Observer=Class.create();Form.Observer.prototype=Object.extend(new Abstract.TimedObserver(),{getValue:function(){return(Form.serialize(this.element));}});Abstract.EventObserver=function(){};Abstract.EventObserver.prototype={initialize:function(element,callback){this.element=$Prot(element);this.callback=callback;this.lastValue=this.getValue();if(this.element.tagName.toLowerCase()=='form')this.registerFormCallbacks();else this.registerCallback(this.element);},onElementEvent:function(){var value=this.getValue();if(this.lastValue!=value){this.callback(this.element,value);this.lastValue=value;}},registerFormCallbacks:function(){var elements=Form.getElements(this.element);for(var i=0;i<elements.length;i++)this.registerCallback(elements[i]);},registerCallback:function(element){if(element.type){switch(element.type.toLowerCase()){case'checkbox':case'radio':Event.observe(element,'click',this.onElementEvent.bind(this));break;case'password':case'text':case'textarea':case'select-one':case'select-multiple':Event.observe(element,'change',this.onElementEvent.bind(this));break;}};}};Form.Element.EventObserver=Class.create();Form.Element.EventObserver.prototype=Object.extend(new Abstract.EventObserver(),{getValue:function(){return(Form.Element.getValue(this.element));}});Form.EventObserver=Class.create();Form.EventObserver.prototype=Object.extend(new Abstract.EventObserver(),{getValue:function(){return(Form.serialize(this.element));}});if(!window.Event){var Event=new Object();};Object.extend(Event,{KEY_BACKSPACE:8,KEY_TAB:9,KEY_RETURN:13,KEY_ESC:27,KEY_LEFT:37,KEY_UP:38,KEY_RIGHT:39,KEY_DOWN:40,KEY_DELETE:46,element:function(event){return(event.target||event.srcElement);},isLeftClick:function(event){return(((event.which)&&(event.which==1))||((event.button)&&(event.button==1)));},pointerX:function(event){return(event.pageX||(event.clientX+(document.documentElement.scrollLeft||document.body.scrollLeft)));},pointerY:function(event){return(event.pageY||(event.clientY+(document.documentElement.scrollTop||document.body.scrollTop)));},stop:function(event){if(event.preventDefault){event.preventDefault();event.stopPropagation();}else{event.returnValue=false;event.cancelBubble=true;}},findElement:function(event,tagName){var element=Event.element(event);while(element.parentNode&&(!element.tagName||(element.tagName.toUpperCase()!=tagName.toUpperCase())))element=element.parentNode;return(element);},observers:false,_observeAndCache:function(element,name,observer,useCapture){if(!this.observers)this.observers=[];if(element.addEventListener){this.observers.push([element,name,observer,useCapture]);element.addEventListener(name,observer,useCapture);}else if(element.attachEvent){this.observers.push([element,name,observer,useCapture]);element.attachEvent('on'+name,observer);}},unloadCache:function(){if(!Event.observers)return;for(var i=0;i<Event.observers.length;i++){Event.stopObserving.apply(this,Event.observers[i]);Event.observers[i][0]=null;};Event.observers=false;},observe:function(element,name,observer,useCapture){var element=$Prot(element);useCapture=useCapture||false;if(name=='keypress'&&(navigator.appVersion.match(/Konqueror|Safari|KHTML/)||element.attachEvent))name='keydown';this._observeAndCache(element,name,observer,useCapture);},stopObserving:function(element,name,observer,useCapture){var element=$Prot(element);useCapture=useCapture||false;if(name=='keypress'&&(navigator.appVersion.match(/Konqueror|Safari|KHTML/)||element.detachEvent))name='keydown';if(element.removeEventListener){element.removeEventListener(name,observer,useCapture);}else if(element.detachEvent){element.detachEvent('on'+name,observer);}};});if(navigator.appVersion.match(/\bMSIE\b/))Event.observe(window,'unload',Event.unloadCache,false);var Position={includeScrollOffsets:false,prepare:function(){this.deltaX=window.pageXOffset ||document.documentElement.scrollLeft ||document.body.scrollLeft ||0;this.deltaY=window.pageYOffset ||document.documentElement.scrollTop ||document.body.scrollTop ||0;},realOffset:function(element){var valueT=0,valueL=0;do{valueT+=element.scrollTop||0;valueL+=element.scrollLeft||0;element=element.parentNode;}while(element);return([valueL,valueT]);},cumulativeOffset:function(element){var valueT=0,valueL=0;do{valueT+=element.offsetTop||0;valueL+=element.offsetLeft||0;element=element.offsetParent;}while(element);return([valueL,valueT]);},positionedOffset:function(element){var valueT=0,valueL=0;do{valueT+=element.offsetTop||0;valueL+=element.offsetLeft||0;element=element.offsetParent;if(element){p=Element.getStyle(element,'position');if(p=='relative'||p=='absolute')break;}}while(element);return([valueL,valueT]);},offsetParent:function(element){if(element.offsetParent)return(element.offsetParent);if(element==document.body)return(element);while((element=element.parentNode)&&element!=document.body)if(Element.getStyle(element,'position')!='static')return(element);return(document.body);},within:function(element,x,y){if(this.includeScrollOffsets)return(this.withinIncludingScrolloffsets(element,x,y));this.xcomp=x;this.ycomp=y;this.offset=this.cumulativeOffset(element);return(y>=this.offset[1]&&y<this.offset[1]+element.offsetHeight&&x>=this.offset[0]&&x<this.offset[0]+element.offsetWidth);},withinIncludingScrolloffsets:function(element,x,y){var offsetcache=this.realOffset(element);this.xcomp=x+offsetcache[0]-this.deltaX;this.ycomp=y+offsetcache[1]-this.deltaY;this.offset=this.cumulativeOffset(element);return(this.ycomp>=this.offset[1]&&this.ycomp<this.offset[1]+element.offsetHeight&&this.xcomp>=this.offset[0]&&this.xcomp<this.offset[0]+element.offsetWidth);},overlap:function(mode,element){if(!mode)return(0);if(mode=='vertical')return(((this.offset[1]+element.offsetHeight)-this.ycomp)/element.offsetHeight);if(mode=='horizontal')return(((this.offset[0]+element.offsetWidth)-this.xcomp)/element.offsetWidth);},clone:function(source,target){source=$Prot(source);target=$Prot(target);target.style.position='absolute';var offsets=this.cumulativeOffset(source);target.style.top=offsets[1]+'px';target.style.left=offsets[0]+'px';target.style.width=source.offsetWidth+'px';target.style.height=source.offsetHeight+'px';},page:function(forElement){var valueT=0,valueL=0;var element=forElement;do{valueT+=element.offsetTop||0;valueL+=element.offsetLeft||0;if(element.offsetParent==document.body)if(Element.getStyle(element,'position')=='absolute')break;}while(element=element.offsetParent);element=forElement;do{valueT-=element.scrollTop||0;valueL-=element.scrollLeft||0;}while(element=element.parentNode);return([valueL,valueT]);},clone:function(source,target){var options=Object.extend({setLeft:true,setTop:true,setWidth:true,setHeight:true,offsetTop:0,offsetLeft:0 },arguments[2]||{})source=$Prot(source);var p=Position.page(source);target=$Prot(target);var delta=[0,0];var parent=null;if(Element.getStyle(target,'position')=='absolute'){parent=Position.offsetParent(target);delta=Position.page(parent);};if(parent==document.body){delta[0]-=document.body.offsetLeft;delta[1]-=document.body.offsetTop;};if(options.setLeft)target.style.left=(p[0]-delta[0]+options.offsetLeft)+'px';if(options.setTop)target.style.top=(p[1]-delta[1]+options.offsetTop)+'px';if(options.setWidth)target.style.width=source.offsetWidth+'px';if(options.setHeight)target.style.height=source.offsetHeight+'px';},absolutize:function(element){element=$Prot(element);if(element.style.position=='absolute')return;Position.prepare();var offsets=Position.positionedOffset(element);var top=offsets[1];var left=offsets[0];var width=element.clientWidth;var height=element.clientHeight;element._originalLeft=left-parseFloat(element.style.left||0);element._originalTop=top-parseFloat(element.style.top||0);element._originalWidth=element.style.width;element._originalHeight=element.style.height;element.style.position='absolute';element.style.top=top+'px';element.style.left=left+'px';element.style.width=width+'px';element.style.height=height+'px';},relativize:function(element){element=$Prot(element);if(element.style.position=='relative')return;Position.prepare();element.style.position='relative';var top=parseFloat(element.style.top||0)-(element._originalTop||0);var left=parseFloat(element.style.left||0)-(element._originalLeft||0);element.style.top=top+'px';element.style.left=left+'px';element.style.height=element._originalHeight;element.style.width=element._originalWidth;}};if(/Konqueror|Safari|KHTML/.test(navigator.userAgent)){Position.cumulativeOffset=function(element){var valueT=0,valueL=0;do{valueT+=element.offsetTop||0;valueL+=element.offsetLeft||0;if(element.offsetParent==document.body)if(Element.getStyle(element,'position')=='absolute')break;element=element.offsetParent;}while(element);return([valueL,valueT]);}};