var Prototype={Version:'1.5.0',BrowserFeatures:{XPath:!!document.evaluate},ScriptFragment:'(?:)((\n|\r|.)*?)(?:<\/script>)',emptyFunction:function(){},K:function(x){return x}} var Class={create:function(){return function(){this.initialize.apply(this,arguments);}}} var Abstract=new Object();Object.extend=function(destination,source){for(var property in source){destination[property]=source[property];} return destination;} Object.extend(Object,{inspect:function(object){try{if(object===undefined)return'undefined';if(object===null)return'null';return object.inspect?object.inspect():object.toString();}catch(e){if(e instanceof RangeError)return'...';throw e;}},keys:function(object){var keys=[];for(var property in object) keys.push(property);return keys;},values:function(object){var values=[];for(var property in object) values.push(object[property]);return values;},clone:function(object){return Object.extend({},object);}});Function.prototype.bind=function(){var __method=this,args=$A(arguments),object=args.shift();return function(){return __method.apply(object,args.concat($A(arguments)));}} Function.prototype.bindAsEventListener=function(object){var __method=this,args=$A(arguments),object=args.shift();return function(event){return __method.apply(object,[(event||window.event)].concat(args).concat($A(arguments)));}} Object.extend(Number.prototype,{toColorPart:function(){var digits=this.toString(16);if(this<16)return'0'+digits;return digits;},succ:function(){return this+1;},times:function(iterator){$R(0,this,true).each(iterator);return this;}});var Try={these:function(){var returnValue;for(var i=0,length=arguments.length;i0){if(match=source.match(pattern)){result+=source.slice(0,match.index);result+=String.interpret(replacement(match));source=source.slice(match.index+match[0].length);}else{result+=source,source='';}} return result;},sub:function(pattern,replacement,count){replacement=this.gsub.prepareReplacement(replacement);count=count===undefined?1:count;return this.gsub(pattern,function(match){if(--count<0)return match[0];return replacement(match);});},scan:function(pattern,iterator){this.gsub(pattern,iterator);return this;},truncate:function(length,truncation){length=length||30;truncation=truncation===undefined?'...':truncation;return this.length>length?this.slice(0,length-truncation.length)+truncation:this;},strip:function(){return this.replace(/^\s+/,'').replace(/\s+$/,'');},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(function(script){return eval(script)});},escapeHTML:function(){var div=document.createElement('div');var text=document.createTextNode(this);div.appendChild(text);return div.innerHTML;},unescapeHTML:function(){var div=document.createElement('div');div.innerHTML=this.stripTags();return div.childNodes[0]?(div.childNodes.length>1?$A(div.childNodes).inject('',function(memo,node){return memo+node.nodeValue}):div.childNodes[0].nodeValue):'';},toQueryParams:function(separator){var match=this.strip().match(/([^?#]*)(#.*)?$/);if(!match)return{};return match[1].split(separator||'&').inject({},function(hash,pair){if((pair=pair.split('='))[0]){var name=decodeURIComponent(pair[0]);var value=pair[1]?decodeURIComponent(pair[1]):undefined;if(hash[name]!==undefined){if(hash[name].constructor!=Array) hash[name]=[hash[name]];if(value)hash[name].push(value);} else hash[name]=value;} return hash;});},toArray:function(){return this.split('');},succ:function(){return this.slice(0,this.length-1)+ String.fromCharCode(this.charCodeAt(this.length-1)+1);},camelize:function(){var parts=this.split('-'),len=parts.length;if(len==1)return parts[0];var camelized=this.charAt(0)=='-'?parts[0].charAt(0).toUpperCase()+parts[0].substring(1):parts[0];for(var i=1;i=result) result=value;});return result;},min:function(iterator){var result;this.each(function(value,index){value=(iterator||Prototype.K)(value,index);if(result==undefined||valueb?1:0;}).pluck('value');},toArray:function(){return this.map();},zip:function(){var iterator=Prototype.K,args=$A(arguments);if(typeof args.last()=='function') iterator=args.pop();var collections=[this].concat(args).map($A);return this.map(function(value,index){return iterator(collections.pluck(index));});},size:function(){return this.toArray().length;},inspect:function(){return'#';}} Object.extend(Enumerable,{map:Enumerable.collect,find:Enumerable.detect,select:Enumerable.findAll,member:Enumerable.include,entries:Enumerable.toArray});var $A=Array.from=function(iterable){if(!iterable)return[];if(iterable.toArray){return iterable.toArray();}else{var results=[];for(var i=0,length=iterable.length;i1?this:this[0];},uniq:function(){return this.inject([],function(array,value){return array.include(value)?array:array.concat([value]);});},clone:function(){return[].concat(this);},size:function(){return this.length;},inspect:function(){return'['+this.map(Object.inspect).join(', ')+']';}});Array.prototype.toArray=Array.prototype.clone;function $w(string){string=string.strip();return string?string.split(/\s+/):[];} if(window.opera){Array.prototype.concat=function(){var array=[];for(var i=0,length=this.length;i';}});function $H(object){if(object&&object.constructor==Hash)return object;return new Hash(object);};ObjectRange=Class.create();Object.extend(ObjectRange.prototype,Enumerable);Object.extend(ObjectRange.prototype,{initialize:function(start,end,exclusive){this.start=start;this.end=end;this.exclusive=exclusive;},_each:function(iterator){var value=this.start;while(this.include(value)){iterator(value);value=value.succ();}},include:function(value){if(value-1?'&':'?')+params;try{Ajax.Responders.dispatch('onCreate',this,this.transport);this.transport.open(this.method.toUpperCase(),this.url,this.options.asynchronous);if(this.options.asynchronous) setTimeout(function(){this.respondToReadyState(1)}.bind(this),10);this.transport.onreadystatechange=this.onStateChange.bind(this);this.setRequestHeaders();var body=this.method=='post'?(this.options.postBody||params):null;this.transport.send(body);if(!this.options.asynchronous&&this.transport.overrideMimeType) this.onStateChange();} catch(e){this.dispatchException(e);}},onStateChange:function(){var readyState=this.transport.readyState;if(readyState>1&&!((readyState==4)&&this._complete)) this.respondToReadyState(this.transport.readyState);},setRequestHeaders:function(){var headers={'X-Requested-With':'XMLHttpRequest','X-Prototype-Version':Prototype.Version,'Accept':'text/javascript, text/html, application/xml, text/xml, */*'};if(this.method=='post'){headers['Content-type']=this.options.contentType+ (this.options.encoding?'; charset='+this.options.encoding:'');if(this.transport.overrideMimeType&&(navigator.userAgent.match(/Gecko\/(\d{4})/)||[0,2005])[1]<2005) headers['Connection']='close';} if(typeof this.options.requestHeaders=='object'){var extras=this.options.requestHeaders;if(typeof extras.push=='function') for(var i=0,length=extras.length;i=200&&this.transport.status<300);},respondToReadyState:function(readyState){var state=Ajax.Request.Events[readyState];var transport=this.transport,json=this.evalJSON();if(state=='Complete'){try{this._complete=true;(this.options['on'+this.transport.status]||this.options['on'+(this.success()?'Success':'Failure')]||Prototype.emptyFunction)(transport,json);}catch(e){this.dispatchException(e);} if((this.getHeader('Content-type')||'text/javascript').strip().match(/^(text|application)\/(x-)?(java|ecma)script(;.*)?$/i)) this.evalResponse();} try{(this.options['on'+state]||Prototype.emptyFunction)(transport,json);Ajax.Responders.dispatch('on'+state,this,transport,json);}catch(e){this.dispatchException(e);} if(state=='Complete'){this.transport.onreadystatechange=Prototype.emptyFunction;}},getHeader:function(name){try{return this.transport.getResponseHeader(name);}catch(e){return null}},evalJSON:function(){try{var json=this.getHeader('X-JSON');return json?eval('('+json+')'):null;}catch(e){return null}},evalResponse:function(){try{return eval(this.transport.responseText);}catch(e){this.dispatchException(e);}},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.container={success:(container.success||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,param){this.updateContent();onComplete(transport,param);}).bind(this);this.request(url);},updateContent:function(){var receiver=this.container[this.success()?'success':'failure'];var response=this.transport.responseText;if(!this.options.evalScripts)response=response.stripScripts();if(receiver=$(receiver)){if(this.options.insertion) new this.options.insertion(receiver,response);else receiver.update(response);} if(this.success()){if(this.onComplete) setTimeout(this.onComplete.bind(this),10);}}});Ajax.PeriodicalUpdater=Class.create();Ajax.PeriodicalUpdater.prototype=Object.extend(new 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.options.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);}});function $(element){if(arguments.length>1){for(var i=0,elements=[],length=arguments.length;i';},recursivelyCollect:function(element,property){element=$(element);var elements=[];while(element=element[property]) if(element.nodeType==1) elements.push(Element.extend(element));return elements;},ancestors:function(element){return $(element).recursivelyCollect('parentNode');},descendants:function(element){return $A($(element).getElementsByTagName('*'));},immediateDescendants:function(element){if(!(element=$(element).firstChild))return[];while(element&&element.nodeType!=1)element=element.nextSibling;if(element)return[element].concat($(element).nextSiblings());return[];},previousSiblings:function(element){return $(element).recursivelyCollect('previousSibling');},nextSiblings:function(element){return $(element).recursivelyCollect('nextSibling');},siblings:function(element){element=$(element);return element.previousSiblings().reverse().concat(element.nextSiblings());},match:function(element,selector){if(typeof selector=='string') selector=new Selector(selector);return selector.match($(element));},up:function(element,expression,index){return Selector.findElement($(element).ancestors(),expression,index);},down:function(element,expression,index){return Selector.findElement($(element).descendants(),expression,index);},previous:function(element,expression,index){return Selector.findElement($(element).previousSiblings(),expression,index);},next:function(element,expression,index){return Selector.findElement($(element).nextSiblings(),expression,index);},getElementsBySelector:function(){var args=$A(arguments),element=$(args.shift());return Selector.findChildElements(element,args);},getElementsByClassName:function(element,className){return document.getElementsByClassName(className,element);},readAttribute:function(element,name){element=$(element);if(document.all&&!window.opera){var t=Element._attributeTranslations;if(t.values[name])return t.values[name](element,name);if(t.names[name])name=t.names[name];var attribute=element.attributes[name];if(attribute)return attribute.nodeValue;} return element.getAttribute(name);},getHeight:function(element){return $(element).getDimensions().height;},getWidth:function(element){return $(element).getDimensions().width;},classNames:function(element){return new Element.ClassNames(element);},hasClassName:function(element,className){if(!(element=$(element)))return;var elementClassName=element.className;if(elementClassName.length==0)return false;if(elementClassName==className||elementClassName.match(new RegExp("(^|\\s)"+className+"(\\s|$)"))) return true;return false;},addClassName:function(element,className){if(!(element=$(element)))return;Element.classNames(element).add(className);return element;},removeClassName:function(element,className){if(!(element=$(element)))return;Element.classNames(element).remove(className);return element;},toggleClassName:function(element,className){if(!(element=$(element)))return;Element.classNames(element)[element.hasClassName(className)?'remove':'add'](className);return element;},observe:function(){Event.observe.apply(Event,arguments);return $A(arguments).first();},stopObserving:function(){Event.stopObserving.apply(Event,arguments);return $A(arguments).first();},cleanWhitespace:function(element){element=$(element);var node=element.firstChild;while(node){var nextNode=node.nextSibling;if(node.nodeType==3&&!/\S/.test(node.nodeValue)) element.removeChild(node);node=nextNode;} return element;},empty:function(element){return $(element).innerHTML.match(/^\s*$/);},descendantOf:function(element,ancestor){element=$(element),ancestor=$(ancestor);while(element=element.parentNode) if(element==ancestor)return true;return false;},scrollTo:function(element){element=$(element);var pos=Position.cumulativeOffset(element);window.scrollTo(pos[0],pos[1]);return element;},getStyle:function(element,style){element=$(element);if(['float','cssFloat'].include(style)) style=(typeof element.style.styleFloat!='undefined'?'styleFloat':'cssFloat');style=style.camelize();var value=element.style[style];if(!value){if(document.defaultView&&document.defaultView.getComputedStyle){var css=document.defaultView.getComputedStyle(element,null);value=css?css[style]:null;}else if(element.currentStyle){value=element.currentStyle[style];}} if((value=='auto')&&['width','height'].include(style)&&(element.getStyle('display')!='none')) value=element['offset'+style.capitalize()]+'px';if(window.opera&&['left','top','right','bottom'].include(style)) if(Element.getStyle(element,'position')=='static')value='auto';if(style=='opacity'){if(value)return parseFloat(value);if(value=(element.getStyle('filter')||'').match(/alpha\(opacity=(.*)\)/)) if(value[1])return parseFloat(value[1])/100;return 1.0;} return value=='auto'?null:value;},setStyle:function(element,style){element=$(element);for(var name in style){var value=style[name];if(name=='opacity'){if(value==1){value=(/Gecko/.test(navigator.userAgent)&&!/Konqueror|Safari|KHTML/.test(navigator.userAgent))?0.999999:1.0;if(/MSIE/.test(navigator.userAgent)&&!window.opera) element.style.filter=element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,'');}else if(value==''){if(/MSIE/.test(navigator.userAgent)&&!window.opera) element.style.filter=element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,'');}else{if(value<0.00001)value=0;if(/MSIE/.test(navigator.userAgent)&&!window.opera) element.style.filter=element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,'')+'alpha(opacity='+value*100+')';}}else if(['float','cssFloat'].include(name))name=(typeof element.style.styleFloat!='undefined')?'styleFloat':'cssFloat';element.style[name.camelize()]=value;} return element;},getDimensions:function(element){element=$(element);var display=$(element).getStyle('display');if(display!='none'&&display!=null) return{width:element.offsetWidth,height:element.offsetHeight};var els=element.style;var originalVisibility=els.visibility;var originalPosition=els.position;var originalDisplay=els.display;els.visibility='hidden';els.position='absolute';els.display='block';var originalWidth=element.clientWidth;var originalHeight=element.clientHeight;els.display=originalDisplay;els.position=originalPosition;els.visibility=originalVisibility;return{width:originalWidth,height:originalHeight};},makePositioned:function(element){element=$(element);var pos=Element.getStyle(element,'position');if(pos=='static'||!pos){element._madePositioned=true;element.style.position='relative';if(window.opera){element.style.top=0;element.style.left=0;}} return element;},undoPositioned:function(element){element=$(element);if(element._madePositioned){element._madePositioned=undefined;element.style.position=element.style.top=element.style.left=element.style.bottom=element.style.right='';} return element;},makeClipping:function(element){element=$(element);if(element._overflow)return element;element._overflow=element.style.overflow||'auto';if((Element.getStyle(element,'overflow')||'visible')!='hidden') element.style.overflow='hidden';return element;},undoClipping:function(element){element=$(element);if(!element._overflow)return element;element.style.overflow=element._overflow=='auto'?'':element._overflow;element._overflow=null;return element;}};Object.extend(Element.Methods,{childOf:Element.Methods.descendantOf});Element._attributeTranslations={};Element._attributeTranslations.names={colspan:"colSpan",rowspan:"rowSpan",valign:"vAlign",datetime:"dateTime",accesskey:"accessKey",tabindex:"tabIndex",enctype:"encType",maxlength:"maxLength",readonly:"readOnly",longdesc:"longDesc"};Element._attributeTranslations.values={_getAttr:function(element,attribute){return element.getAttribute(attribute,2);},_flag:function(element,attribute){return $(element).hasAttribute(attribute)?attribute:null;},style:function(element){return element.style.cssText.toLowerCase();},title:function(element){var node=element.getAttributeNode('title');return node.specified?node.nodeValue:null;}};Object.extend(Element._attributeTranslations.values,{href:Element._attributeTranslations.values._getAttr,src:Element._attributeTranslations.values._getAttr,disabled:Element._attributeTranslations.values._flag,checked:Element._attributeTranslations.values._flag,readonly:Element._attributeTranslations.values._flag,multiple:Element._attributeTranslations.values._flag});Element.Methods.Simulated={hasAttribute:function(element,attribute){var t=Element._attributeTranslations;attribute=t.names[attribute]||attribute;return $(element).getAttributeNode(attribute).specified;}};if(document.all&&!window.opera){Element.Methods.update=function(element,html){element=$(element);html=typeof html=='undefined'?'':html.toString();var tagName=element.tagName.toUpperCase();if(['THEAD','TBODY','TR','TD'].include(tagName)){var div=document.createElement('div');switch(tagName){case'THEAD':case'TBODY':div.innerHTML=''+html.stripScripts()+'
';depth=2;break;case'TR':div.innerHTML=''+html.stripScripts()+'
';depth=3;break;case'TD':div.innerHTML='
'+html.stripScripts()+'
';depth=4;} $A(element.childNodes).each(function(node){element.removeChild(node)});depth.times(function(){div=div.firstChild});$A(div.childNodes).each(function(node){element.appendChild(node)});}else{element.innerHTML=html.stripScripts();} setTimeout(function(){html.evalScripts()},10);return element;}};Object.extend(Element,Element.Methods);var _nativeExtensions=false;if(/Konqueror|Safari|KHTML/.test(navigator.userAgent)) ['','Form','Input','TextArea','Select'].each(function(tag){var className='HTML'+tag+'Element';if(window[className])return;var klass=window[className]={};klass.prototype=document.createElement(tag?tag.toLowerCase():'div').__proto__;});Element.addMethods=function(methods){Object.extend(Element.Methods,methods||{});function copy(methods,destination,onlyIfAbsent){onlyIfAbsent=onlyIfAbsent||false;var cache=Element.extend.cache;for(var property in methods){var value=methods[property];if(!onlyIfAbsent||!(property in destination)) destination[property]=cache.findOrStore(value);}} if(typeof HTMLElement!='undefined'){copy(Element.Methods,HTMLElement.prototype);copy(Element.Methods.Simulated,HTMLElement.prototype,true);copy(Form.Methods,HTMLFormElement.prototype);[HTMLInputElement,HTMLTextAreaElement,HTMLSelectElement].each(function(klass){copy(Form.Element.Methods,klass.prototype);});_nativeExtensions=true;}} var Toggle=new Object();Toggle.display=Element.toggle;Abstract.Insertion=function(adjacency){this.adjacency=adjacency;} Abstract.Insertion.prototype={initialize:function(element,content){this.element=$(element);this.content=content.stripScripts();if(this.adjacency&&this.element.insertAdjacentHTML){try{this.element.insertAdjacentHTML(this.adjacency,this.content);}catch(e){var tagName=this.element.tagName.toUpperCase();if(['TBODY','TR'].include(tagName)){this.insertContent(this.contentFromAnonymousTable());}else{throw e;}}}else{this.range=this.element.ownerDocument.createRange();if(this.initializeRange)this.initializeRange();this.insertContent([this.range.createContextualFragment(this.content)]);} setTimeout(function(){content.evalScripts()},10);},contentFromAnonymousTable:function(){var div=document.createElement('div');div.innerHTML=''+this.content+'
';return $A(div.childNodes[0].childNodes[0].childNodes);}} var Insertion=new Object();Insertion.Before=Class.create();Insertion.Before.prototype=Object.extend(new Abstract.Insertion('beforeBegin'),{initializeRange:function(){this.range.setStartBefore(this.element);},insertContent:function(fragments){fragments.each((function(fragment){this.element.parentNode.insertBefore(fragment,this.element);}).bind(this));}});Insertion.Top=Class.create();Insertion.Top.prototype=Object.extend(new Abstract.Insertion('afterBegin'),{initializeRange:function(){this.range.selectNodeContents(this.element);this.range.collapse(true);},insertContent:function(fragments){fragments.reverse(false).each((function(fragment){this.element.insertBefore(fragment,this.element.firstChild);}).bind(this));}});Insertion.Bottom=Class.create();Insertion.Bottom.prototype=Object.extend(new Abstract.Insertion('beforeEnd'),{initializeRange:function(){this.range.selectNodeContents(this.element);this.range.collapse(this.element);},insertContent:function(fragments){fragments.each((function(fragment){this.element.appendChild(fragment);}).bind(this));}});Insertion.After=Class.create();Insertion.After.prototype=Object.extend(new Abstract.Insertion('afterEnd'),{initializeRange:function(){this.range.setStartAfter(this.element);},insertContent:function(fragments){fragments.each((function(fragment){this.element.parentNode.insertBefore(fragment,this.element.nextSibling);}).bind(this));}});Element.ClassNames=Class.create();Element.ClassNames.prototype={initialize:function(element){this.element=$(element);},_each:function(iterator){this.element.className.split(/\s+/).select(function(name){return name.length>0;})._each(iterator);},set:function(className){this.element.className=className;},add:function(classNameToAdd){if(this.include(classNameToAdd))return;this.set($A(this).concat(classNameToAdd).join(' '));},remove:function(classNameToRemove){if(!this.include(classNameToRemove))return;this.set($A(this).without(classNameToRemove).join(' '));},toString:function(){return $A(this).join(' ');}};Object.extend(Element.ClassNames.prototype,Enumerable);var Selector=Class.create();Selector.prototype={initialize:function(expression){this.params={classNames:[]};this.expression=expression.toString().strip();this.parseExpression();this.compileMatcher();},parseExpression:function(){function abort(message){throw'Parse error in selector: '+message;} if(this.expression=='')abort('empty expression');var params=this.params,expr=this.expression,match,modifier,clause,rest;while(match=expr.match(/^(.*)\[([a-z0-9_:-]+?)(?:([~\|!]?=)(?:"([^"]*)"|([^\]\s]*)))?\]$/i)){params.attributes=params.attributes||[];params.attributes.push({name:match[2],operator:match[3],value:match[4]||match[5]||''});expr=match[1];} if(expr=='*')return this.params.wildcard=true;while(match=expr.match(/^([^a-z0-9_-])?([a-z0-9_-]+)(.*)/i)){modifier=match[1],clause=match[2],rest=match[3];switch(modifier){case'#':params.id=clause;break;case'.':params.classNames.push(clause);break;case'':case undefined:params.tagName=clause.toUpperCase();break;default:abort(expr.inspect());} expr=rest;} if(expr.length>0)abort(expr.inspect());},buildMatchExpression:function(){var params=this.params,conditions=[],clause;if(params.wildcard) conditions.push('true');if(clause=params.id) conditions.push('element.readAttribute("id") == '+clause.inspect());if(clause=params.tagName) conditions.push('element.tagName.toUpperCase() == '+clause.inspect());if((clause=params.classNames).length>0) for(var i=0,length=clause.length;i=0?this.optionValue(element.options[index]):null;},selectMany:function(element){var values,length=element.length;if(!length)return null;for(var i=0,values=[];i=this.offset[1]&&y=this.offset[0]&&x=this.offset[1]&&this.ycomp=this.offset[0]&&this.xcomp0)window.scrollBy(0,0);} Element.getOpacity=function(element){var opacity;if(opacity=Element.getStyle(element,'opacity')) return parseFloat(opacity);if(opacity=(Element.getStyle(element,'filter')||'').match(/alpha\(opacity=(.*)\)/)) if(opacity[1])return parseFloat(opacity[1])/100;return 1.0;} Element.setOpacity=function(element,value){element=$(element);if(value==1){Element.setStyle(element,{opacity:(/Gecko/.test(navigator.userAgent)&&!/Konqueror|Safari|KHTML/.test(navigator.userAgent))?0.999999:1.0});if(/MSIE/.test(navigator.userAgent)&&!window.opera) Element.setStyle(element,{filter:Element.getStyle(element,'filter').replace(/alpha\([^\)]*\)/gi,'')});}else{if(value<0.00001)value=0;Element.setStyle(element,{opacity:value});if(/MSIE/.test(navigator.userAgent)&&!window.opera) Element.setStyle(element,{filter:Element.getStyle(element,'filter').replace(/alpha\([^\)]*\)/gi,'')+'alpha(opacity='+value*100+')'});}} Element.getInlineOpacity=function(element){return $(element).style.opacity||'';} Element.childrenWithClassName=function(element,className,findFirst){var classNameRegExp=new RegExp("(^|\\s)"+className+"(\\s|$)");var results=$A($(element).getElementsByTagName('*'))[findFirst?'detect':'select'](function(c){return(c.className&&c.className.match(classNameRegExp));});if(!results)results=[];return results;} Element.forceRerendering=function(element){try{element=$(element);var n=document.createTextNode(' ');element.appendChild(n);element.removeChild(n);}catch(e){}};Array.prototype.call=function(){var args=arguments;this.each(function(f){f.apply(this,args)});} var Effect={_elementDoesNotExistError:{name:'ElementDoesNotExistError',message:'The specified DOM element does not exist, but is required for this effect to operate'},tagifyText:function(element){if(typeof Builder=='undefined') throw("Effect.tagifyText requires including script.aculo.us' builder.js library");var tagifyStyle='position:relative';if(/MSIE/.test(navigator.userAgent)&&!window.opera)tagifyStyle+=';zoom:1';element=$(element);$A(element.childNodes).each(function(child){if(child.nodeType==3){child.nodeValue.toArray().each(function(character){element.insertBefore(Builder.node('span',{style:tagifyStyle},character==' '?String.fromCharCode(160):character),child);});Element.remove(child);}});},multiple:function(element,effect){var elements;if(((typeof element=='object')||(typeof element=='function'))&&(element.length)) elements=element;else elements=$(element).childNodes;var options=Object.extend({speed:0.1,delay:0.0},arguments[2]||{});var masterDelay=options.delay;$A(elements).each(function(element,index){new effect(element,Object.extend(options,{delay:index*options.speed+masterDelay}));});},PAIRS:{'slide':['SlideDown','SlideUp'],'blind':['BlindDown','BlindUp'],'appear':['Appear','Fade']},toggle:function(element,effect){element=$(element);effect=(effect||'appear').toLowerCase();var options=Object.extend({queue:{position:'end',scope:(element.id||'global'),limit:1}},arguments[2]||{});Effect[element.visible()?Effect.PAIRS[effect][1]:Effect.PAIRS[effect][0]](element,options);}};var Effect2=Effect;Effect.Transitions={} Effect.Transitions.linear=Prototype.K;Effect.Transitions.sinoidal=function(pos){return(-Math.cos(pos*Math.PI)/2)+0.5;} Effect.Transitions.reverse=function(pos){return 1-pos;} Effect.Transitions.flicker=function(pos){return((-Math.cos(pos*Math.PI)/4)+0.75)+Math.random()/4;} Effect.Transitions.wobble=function(pos){return(-Math.cos(pos*Math.PI*(9*pos))/2)+0.5;} Effect.Transitions.pulse=function(pos){return(Math.floor(pos*10)%2==0?(pos*10-Math.floor(pos*10)):1-(pos*10-Math.floor(pos*10)));} Effect.Transitions.none=function(pos){return 0;} Effect.Transitions.full=function(pos){return 1;} Effect.ScopedQueue=Class.create();Object.extend(Object.extend(Effect.ScopedQueue.prototype,Enumerable),{initialize:function(){this.effects=[];this.interval=null;},_each:function(iterator){this.effects._each(iterator);},add:function(effect){var timestamp=new Date().getTime();var position=(typeof effect.options.queue=='string')?effect.options.queue:effect.options.queue.position;switch(position){case'front':this.effects.findAll(function(e){return e.state=='idle'}).each(function(e){e.startOn+=effect.finishOn;e.finishOn+=effect.finishOn;});break;case'end':timestamp=this.effects.pluck('finishOn').max()||timestamp;break;} effect.startOn+=timestamp;effect.finishOn+=timestamp;if(!effect.options.queue.limit||(this.effects.length=this.startOn){if(timePos>=this.finishOn){this.render(1.0);this.cancel();this.event('beforeFinish');if(this.finish)this.finish();this.event('afterFinish');return;} var pos=(timePos-this.startOn)/(this.finishOn-this.startOn);var frame=Math.round(pos*this.options.fps*this.options.duration);if(frame>this.currentFrame){this.render(pos);this.currentFrame=frame;}}},render:function(pos){if(this.state=='idle'){this.state='running';this.event('beforeSetup');if(this.setup)this.setup();this.event('afterSetup');} if(this.state=='running'){if(this.options.transition)pos=this.options.transition(pos);pos*=(this.options.to-this.options.from);pos+=this.options.from;this.position=pos;this.event('beforeUpdate');if(this.update)this.update(pos);this.event('afterUpdate');}},cancel:function(){if(!this.options.sync) Effect.Queues.get(typeof this.options.queue=='string'?'global':this.options.queue.scope).remove(this);this.state='finished';},event:function(eventName){if(this.options[eventName+'Internal'])this.options[eventName+'Internal'](this);if(this.options[eventName])this.options[eventName](this);},inspect:function(){return'#';}} Effect.Parallel=Class.create();Object.extend(Object.extend(Effect.Parallel.prototype,Effect.Base.prototype),{initialize:function(effects){this.effects=effects||[];this.start(arguments[1]);},update:function(position){this.effects.invoke('render',position);},finish:function(position){this.effects.each(function(effect){effect.render(1.0);effect.cancel();effect.event('beforeFinish');if(effect.finish)effect.finish(position);effect.event('afterFinish');});}});Effect.Opacity=Class.create();Object.extend(Object.extend(Effect.Opacity.prototype,Effect.Base.prototype),{initialize:function(element){this.element=$(element);if(!this.element)throw(Effect._elementDoesNotExistError);if(/MSIE/.test(navigator.userAgent)&&!window.opera&&(!this.element.currentStyle.hasLayout)) this.element.setStyle({zoom:1});var options=Object.extend({from:this.element.getOpacity()||0.0,to:1.0},arguments[1]||{});this.start(options);},update:function(position){this.element.setOpacity(position);}});Effect.Move=Class.create();Object.extend(Object.extend(Effect.Move.prototype,Effect.Base.prototype),{initialize:function(element){this.element=$(element);if(!this.element)throw(Effect._elementDoesNotExistError);var options=Object.extend({x:0,y:0,mode:'relative'},arguments[1]||{});this.start(options);},setup:function(){this.element.makePositioned();this.originalLeft=parseFloat(this.element.getStyle('left')||'0');this.originalTop=parseFloat(this.element.getStyle('top')||'0');if(this.options.mode=='absolute'){this.options.x=this.options.x-this.originalLeft;this.options.y=this.options.y-this.originalTop;}},update:function(position){this.element.setStyle({left:Math.round(this.options.x*position+this.originalLeft)+'px',top:Math.round(this.options.y*position+this.originalTop)+'px'});}});Effect.MoveBy=function(element,toTop,toLeft){return new Effect.Move(element,Object.extend({x:toLeft,y:toTop},arguments[3]||{}));};Effect.Scale=Class.create();Object.extend(Object.extend(Effect.Scale.prototype,Effect.Base.prototype),{initialize:function(element,percent){this.element=$(element);if(!this.element)throw(Effect._elementDoesNotExistError);var options=Object.extend({scaleX:true,scaleY:true,scaleContent:true,scaleFromCenter:false,scaleMode:'box',scaleFrom:100.0,scaleTo:percent},arguments[2]||{});this.start(options);},setup:function(){this.restoreAfterFinish=this.options.restoreAfterFinish||false;this.elementPositioning=this.element.getStyle('position');this.originalStyle={};['top','left','width','height','fontSize'].each(function(k){this.originalStyle[k]=this.element.style[k];}.bind(this));this.originalTop=this.element.offsetTop;this.originalLeft=this.element.offsetLeft;var fontSize=this.element.getStyle('font-size')||'100%';['em','px','%','pt'].each(function(fontSizeType){if(fontSize.indexOf(fontSizeType)>0){this.fontSize=parseFloat(fontSize);this.fontSizeType=fontSizeType;}}.bind(this));this.factor=(this.options.scaleTo-this.options.scaleFrom)/100;this.dims=null;if(this.options.scaleMode=='box') this.dims=[this.element.offsetHeight,this.element.offsetWidth];if(/^content/.test(this.options.scaleMode)) this.dims=[this.element.scrollHeight,this.element.scrollWidth];if(!this.dims) this.dims=[this.options.scaleMode.originalHeight,this.options.scaleMode.originalWidth];},update:function(position){var currentScale=(this.options.scaleFrom/100.0)+(this.factor*position);if(this.options.scaleContent&&this.fontSize) this.element.setStyle({fontSize:this.fontSize*currentScale+this.fontSizeType});this.setDimensions(this.dims[0]*currentScale,this.dims[1]*currentScale);},finish:function(position){if(this.restoreAfterFinish)this.element.setStyle(this.originalStyle);},setDimensions:function(height,width){var d={};if(this.options.scaleX)d.width=Math.round(width)+'px';if(this.options.scaleY)d.height=Math.round(height)+'px';if(this.options.scaleFromCenter){var topd=(height-this.dims[0])/2;var leftd=(width-this.dims[1])/2;if(this.elementPositioning=='absolute'){if(this.options.scaleY)d.top=this.originalTop-topd+'px';if(this.options.scaleX)d.left=this.originalLeft-leftd+'px';}else{if(this.options.scaleY)d.top=-topd+'px';if(this.options.scaleX)d.left=-leftd+'px';}} this.element.setStyle(d);}});Effect.Highlight=Class.create();Object.extend(Object.extend(Effect.Highlight.prototype,Effect.Base.prototype),{initialize:function(element){this.element=$(element);if(!this.element)throw(Effect._elementDoesNotExistError);var options=Object.extend({startcolor:'#ffff99'},arguments[1]||{});this.start(options);},setup:function(){if(this.element.getStyle('display')=='none'){this.cancel();return;} this.oldStyle={backgroundImage:this.element.getStyle('background-image')};this.element.setStyle({backgroundImage:'none'});if(!this.options.endcolor) this.options.endcolor=this.element.getStyle('background-color').parseColor('#ffffff');if(!this.options.restorecolor) this.options.restorecolor=this.element.getStyle('background-color');this._base=$R(0,2).map(function(i){return parseInt(this.options.startcolor.slice(i*2+1,i*2+3),16)}.bind(this));this._delta=$R(0,2).map(function(i){return parseInt(this.options.endcolor.slice(i*2+1,i*2+3),16)-this._base[i]}.bind(this));},update:function(position){this.element.setStyle({backgroundColor:$R(0,2).inject('#',function(m,v,i){return m+(Math.round(this._base[i]+(this._delta[i]*position)).toColorPart());}.bind(this))});},finish:function(){this.element.setStyle(Object.extend(this.oldStyle,{backgroundColor:this.options.restorecolor}));}});Effect.ScrollTo=Class.create();Object.extend(Object.extend(Effect.ScrollTo.prototype,Effect.Base.prototype),{initialize:function(element){this.element=$(element);this.start(arguments[1]||{});},setup:function(){Position.prepare();var offsets=Position.cumulativeOffset(this.element);if(this.options.offset)offsets[1]+=this.options.offset;var max=window.innerHeight?window.height-window.innerHeight:document.body.scrollHeight- (document.documentElement.clientHeight?document.documentElement.clientHeight:document.body.clientHeight);this.scrollStart=Position.deltaY;this.delta=(offsets[1]>max?max:offsets[1])-this.scrollStart;},update:function(position){Position.prepare();window.scrollTo(Position.deltaX,this.scrollStart+(position*this.delta));}});Effect.Fade=function(element){element=$(element);var oldOpacity=element.getInlineOpacity();var options=Object.extend({from:element.getOpacity()||1.0,to:0.0,afterFinishInternal:function(effect){if(effect.options.to!=0)return;effect.element.hide();effect.element.setStyle({opacity:oldOpacity});}},arguments[1]||{});return new Effect.Opacity(element,options);} Effect.Appear=function(element){element=$(element);var options=Object.extend({from:(element.getStyle('display')=='none'?0.0:element.getOpacity()||0.0),to:1.0,afterFinishInternal:function(effect){effect.element.forceRerendering();},beforeSetup:function(effect){effect.element.setOpacity(effect.options.from);effect.element.show();}},arguments[1]||{});return new Effect.Opacity(element,options);} Effect.Puff=function(element){element=$(element);var oldStyle={opacity:element.getInlineOpacity(),position:element.getStyle('position'),top:element.style.top,left:element.style.left,width:element.style.width,height:element.style.height};return new Effect.Parallel([new Effect.Scale(element,200,{sync:true,scaleFromCenter:true,scaleContent:true,restoreAfterFinish:true}),new Effect.Opacity(element,{sync:true,to:0.0})],Object.extend({duration:1.0,beforeSetupInternal:function(effect){Position.absolutize(effect.effects[0].element)},afterFinishInternal:function(effect){effect.effects[0].element.hide();effect.effects[0].element.setStyle(oldStyle);}},arguments[1]||{}));} Effect.BlindUp=function(element){element=$(element);element.makeClipping();return new Effect.Scale(element,0,Object.extend({scaleContent:false,scaleX:false,restoreAfterFinish:true,afterFinishInternal:function(effect){effect.element.hide();effect.element.undoClipping();}},arguments[1]||{}));} Effect.BlindDown=function(element){element=$(element);var elementDimensions=element.getDimensions();return new Effect.Scale(element,100,Object.extend({scaleContent:false,scaleX:false,scaleFrom:0,scaleMode:{originalHeight:elementDimensions.height,originalWidth:elementDimensions.width},restoreAfterFinish:true,afterSetup:function(effect){effect.element.makeClipping();effect.element.setStyle({height:'0px'});effect.element.show();},afterFinishInternal:function(effect){effect.element.undoClipping();}},arguments[1]||{}));} Effect.SwitchOff=function(element){element=$(element);var oldOpacity=element.getInlineOpacity();return new Effect.Appear(element,Object.extend({duration:0.4,from:0,transition:Effect.Transitions.flicker,afterFinishInternal:function(effect){new Effect.Scale(effect.element,1,{duration:0.3,scaleFromCenter:true,scaleX:false,scaleContent:false,restoreAfterFinish:true,beforeSetup:function(effect){effect.element.makePositioned();effect.element.makeClipping();},afterFinishInternal:function(effect){effect.element.hide();effect.element.undoClipping();effect.element.undoPositioned();effect.element.setStyle({opacity:oldOpacity});}})}},arguments[1]||{}));} Effect.DropOut=function(element){element=$(element);var oldStyle={top:element.getStyle('top'),left:element.getStyle('left'),opacity:element.getInlineOpacity()};return new Effect.Parallel([new Effect.Move(element,{x:0,y:100,sync:true}),new Effect.Opacity(element,{sync:true,to:0.0})],Object.extend({duration:0.5,beforeSetup:function(effect){effect.effects[0].element.makePositioned();},afterFinishInternal:function(effect){effect.effects[0].element.hide();effect.effects[0].element.undoPositioned();effect.effects[0].element.setStyle(oldStyle);}},arguments[1]||{}));} Effect.Shake=function(element){element=$(element);var oldStyle={top:element.getStyle('top'),left:element.getStyle('left')};return new Effect.Move(element,{x:20,y:0,duration:0.05,afterFinishInternal:function(effect){new Effect.Move(effect.element,{x:-40,y:0,duration:0.1,afterFinishInternal:function(effect){new Effect.Move(effect.element,{x:40,y:0,duration:0.1,afterFinishInternal:function(effect){new Effect.Move(effect.element,{x:-40,y:0,duration:0.1,afterFinishInternal:function(effect){new Effect.Move(effect.element,{x:40,y:0,duration:0.1,afterFinishInternal:function(effect){new Effect.Move(effect.element,{x:-20,y:0,duration:0.05,afterFinishInternal:function(effect){effect.element.undoPositioned();effect.element.setStyle(oldStyle);}})}})}})}})}})}});} Effect.SlideDown=function(element){element=$(element);element.cleanWhitespace();var oldInnerBottom=$(element.firstChild).getStyle('bottom');var elementDimensions=element.getDimensions();return new Effect.Scale(element,100,Object.extend({scaleContent:false,scaleX:false,scaleFrom:window.opera?0:1,scaleMode:{originalHeight:elementDimensions.height,originalWidth:elementDimensions.width},restoreAfterFinish:true,afterSetup:function(effect){effect.element.makePositioned();effect.element.firstChild.makePositioned();if(window.opera)effect.element.setStyle({top:''});effect.element.makeClipping();effect.element.setStyle({height:'0px'});effect.element.show();},afterUpdateInternal:function(effect){effect.element.firstChild.setStyle({bottom:(effect.dims[0]-effect.element.clientHeight)+'px'});},afterFinishInternal:function(effect){effect.element.undoClipping();if(/MSIE/.test(navigator.userAgent)&&!window.opera){effect.element.undoPositioned();effect.element.firstChild.undoPositioned();}else{effect.element.firstChild.undoPositioned();effect.element.undoPositioned();} effect.element.firstChild.setStyle({bottom:oldInnerBottom});}},arguments[1]||{}));} Effect.SlideUp=function(element){element=$(element);element.cleanWhitespace();var oldInnerBottom=$(element.firstChild).getStyle('bottom');return new Effect.Scale(element,window.opera?0:1,Object.extend({scaleContent:false,scaleX:false,scaleMode:'box',scaleFrom:100,restoreAfterFinish:true,beforeStartInternal:function(effect){effect.element.makePositioned();effect.element.firstChild.makePositioned();if(window.opera)effect.element.setStyle({top:''});effect.element.makeClipping();effect.element.show();},afterUpdateInternal:function(effect){effect.element.firstChild.setStyle({bottom:(effect.dims[0]-effect.element.clientHeight)+'px'});},afterFinishInternal:function(effect){effect.element.hide();effect.element.undoClipping();effect.element.firstChild.undoPositioned();effect.element.undoPositioned();effect.element.setStyle({bottom:oldInnerBottom});}},arguments[1]||{}));} Effect.Squish=function(element){return new Effect.Scale(element,window.opera?1:0,{restoreAfterFinish:true,beforeSetup:function(effect){effect.element.makeClipping(effect.element);},afterFinishInternal:function(effect){effect.element.hide(effect.element);effect.element.undoClipping(effect.element);}});} Effect.Grow=function(element){element=$(element);var options=Object.extend({direction:'center',moveTransition:Effect.Transitions.sinoidal,scaleTransition:Effect.Transitions.sinoidal,opacityTransition:Effect.Transitions.full},arguments[1]||{});var oldStyle={top:element.style.top,left:element.style.left,height:element.style.height,width:element.style.width,opacity:element.getInlineOpacity()};var dims=element.getDimensions();var initialMoveX,initialMoveY;var moveX,moveY;switch(options.direction){case'top-left':initialMoveX=initialMoveY=moveX=moveY=0;break;case'top-right':initialMoveX=dims.width;initialMoveY=moveY=0;moveX=-dims.width;break;case'bottom-left':initialMoveX=moveX=0;initialMoveY=dims.height;moveY=-dims.height;break;case'bottom-right':initialMoveX=dims.width;initialMoveY=dims.height;moveX=-dims.width;moveY=-dims.height;break;case'center':initialMoveX=dims.width/2;initialMoveY=dims.height/2;moveX=-dims.width/2;moveY=-dims.height/2;break;} return new Effect.Move(element,{x:initialMoveX,y:initialMoveY,duration:0.01,beforeSetup:function(effect){effect.element.hide();effect.element.makeClipping();effect.element.makePositioned();},afterFinishInternal:function(effect){new Effect.Parallel([new Effect.Opacity(effect.element,{sync:true,to:1.0,from:0.0,transition:options.opacityTransition}),new Effect.Move(effect.element,{x:moveX,y:moveY,sync:true,transition:options.moveTransition}),new Effect.Scale(effect.element,100,{scaleMode:{originalHeight:dims.height,originalWidth:dims.width},sync:true,scaleFrom:window.opera?1:0,transition:options.scaleTransition,restoreAfterFinish:true})],Object.extend({beforeSetup:function(effect){effect.effects[0].element.setStyle({height:'0px'});effect.effects[0].element.show();},afterFinishInternal:function(effect){effect.effects[0].element.undoClipping();effect.effects[0].element.undoPositioned();effect.effects[0].element.setStyle(oldStyle);}},options))}});} Effect.Shrink=function(element){element=$(element);var options=Object.extend({direction:'center',moveTransition:Effect.Transitions.sinoidal,scaleTransition:Effect.Transitions.sinoidal,opacityTransition:Effect.Transitions.none},arguments[1]||{});var oldStyle={top:element.style.top,left:element.style.left,height:element.style.height,width:element.style.width,opacity:element.getInlineOpacity()};var dims=element.getDimensions();var moveX,moveY;switch(options.direction){case'top-left':moveX=moveY=0;break;case'top-right':moveX=dims.width;moveY=0;break;case'bottom-left':moveX=0;moveY=dims.height;break;case'bottom-right':moveX=dims.width;moveY=dims.height;break;case'center':moveX=dims.width/2;moveY=dims.height/2;break;} return new Effect.Parallel([new Effect.Opacity(element,{sync:true,to:0.0,from:1.0,transition:options.opacityTransition}),new Effect.Scale(element,window.opera?1:0,{sync:true,transition:options.scaleTransition,restoreAfterFinish:true}),new Effect.Move(element,{x:moveX,y:moveY,sync:true,transition:options.moveTransition})],Object.extend({beforeStartInternal:function(effect){effect.effects[0].element.makePositioned();effect.effects[0].element.makeClipping();},afterFinishInternal:function(effect){effect.effects[0].element.hide();effect.effects[0].element.undoClipping();effect.effects[0].element.undoPositioned();effect.effects[0].element.setStyle(oldStyle);}},options));} Effect.Pulsate=function(element){element=$(element);var options=arguments[1]||{};var oldOpacity=element.getInlineOpacity();var transition=options.transition||Effect.Transitions.sinoidal;var reverser=function(pos){return transition(1-Effect.Transitions.pulse(pos))};reverser.bind(transition);return new Effect.Opacity(element,Object.extend(Object.extend({duration:3.0,from:0,afterFinishInternal:function(effect){effect.element.setStyle({opacity:oldOpacity});}},options),{transition:reverser}));} Effect.Fold=function(element){element=$(element);var oldStyle={top:element.style.top,left:element.style.left,width:element.style.width,height:element.style.height};Element.makeClipping(element);return new Effect.Scale(element,5,Object.extend({scaleContent:false,scaleX:false,afterFinishInternal:function(effect){new Effect.Scale(element,1,{scaleContent:false,scaleY:false,afterFinishInternal:function(effect){effect.element.hide();effect.element.undoClipping();effect.element.setStyle(oldStyle);}});}},arguments[1]||{}));};['setOpacity','getOpacity','getInlineOpacity','forceRerendering','setContentZoom','collectTextNodes','collectTextNodesIgnoreClass','childrenWithClassName'].each(function(f){Element.Methods[f]=Element[f];});Element.Methods.visualEffect=function(element,effect,options){s=effect.gsub(/_/,'-').camelize();effect_class=s.charAt(0).toUpperCase()+s.substring(1);new Effect[effect_class](element,options);return $(element);};Element.addMethods();