var Prototype={Version:'1.7',Browser:(function(){var ua=navigator.userAgent;var isOpera=Object.prototype.toString.call(window.opera)=='[object Opera]';return{IE:!!window.attachEvent&&!isOpera,Opera:isOpera,WebKit:ua.indexOf('AppleWebKit/')>-1,Gecko:ua.indexOf('Gecko')>-1&&ua.indexOf('KHTML')===-1,MobileSafari:/Apple.*Mobile/.test(ua)}})(),BrowserFeatures:{XPath:!!document.evaluate,SelectorsAPI:!!document.querySelector,ElementExtensions:(function(){var constructor=window.Element||window.HTMLElement;return!!(constructor&&constructor.prototype);})(),SpecificElementExtensions:(function(){if(typeof window.HTMLDivElement!=='undefined') return true;var div=document.createElement('div'),form=document.createElement('form'),isSupported=false;if(div['__proto__']&&(div['__proto__']!==form['__proto__'])){isSupported=true;} div=form=null;return isSupported;})()},ScriptFragment:']*>([\\S\\s]*?)<\/script>',JSONFilter:/^\/\*-secure-([\s\S]*)\*\/\s*$/,emptyFunction:function(){},K:function(x){return x}};if(Prototype.Browser.MobileSafari) Prototype.BrowserFeatures.SpecificElementExtensions=false;var Abstract={};var Try={these:function(){var returnValue;for(var i=0,length=arguments.length;i0){if(match=source.match(pattern)){result+=source.slice(0,match.index);result+=String.interpret(replacement(match));source=source.slice(match.index+match[0].length);}else{result+=source,source='';}} return result;} function sub(pattern,replacement,count){replacement=prepareReplacement(replacement);count=Object.isUndefined(count)?1:count;return this.gsub(pattern,function(match){if(--count<0)return match[0];return replacement(match);});} function scan(pattern,iterator){this.gsub(pattern,iterator);return String(this);} function truncate(length,truncation){length=length||30;truncation=Object.isUndefined(truncation)?'...':truncation;return this.length>length?this.slice(0,length-truncation.length)+truncation:String(this);} function strip(){return this.replace(/^\s+/,'').replace(/\s+$/,'');} function stripTags(){return this.replace(/<\w+(\s+("[^"]*"|'[^']*'|[^>])+)?>|<\/\w+>/gi,'');} function stripScripts(){return this.replace(new RegExp(Prototype.ScriptFragment,'img'),'');} function extractScripts(){var matchAll=new RegExp(Prototype.ScriptFragment,'img'),matchOne=new RegExp(Prototype.ScriptFragment,'im');return(this.match(matchAll)||[]).map(function(scriptTag){return(scriptTag.match(matchOne)||['',''])[1];});} function evalScripts(){return this.extractScripts().map(function(script){return eval(script)});} function escapeHTML(){return this.replace(/&/g,'&').replace(//g,'>');} function unescapeHTML(){return this.stripTags().replace(/</g,'<').replace(/>/g,'>').replace(/&/g,'&');} function toQueryParams(separator){var match=this.strip().match(/([^?#]*)(#.*)?$/);if(!match)return{};return match[1].split(separator||'&').inject({},function(hash,pair){if((pair=pair.split('='))[0]){var key=decodeURIComponent(pair.shift()),value=pair.length>1?pair.join('='):pair[0];if(value!=undefined)value=decodeURIComponent(value);if(key in hash){if(!Object.isArray(hash[key]))hash[key]=[hash[key]];hash[key].push(value);} else hash[key]=value;} return hash;});} function toArray(){return this.split('');} function succ(){return this.slice(0,this.length-1)+ String.fromCharCode(this.charCodeAt(this.length-1)+1);} function times(count){return count<1?'':new Array(count+1).join(this);} function camelize(){return this.replace(/-+(.)?/g,function(match,chr){return chr?chr.toUpperCase():'';});} function capitalize(){return this.charAt(0).toUpperCase()+this.substring(1).toLowerCase();} function underscore(){return this.replace(/::/g,'/').replace(/([A-Z]+)([A-Z][a-z])/g,'$1_$2').replace(/([a-z\d])([A-Z])/g,'$1_$2').replace(/-/g,'_').toLowerCase();} function dasherize(){return this.replace(/_/g,'-');} function inspect(useDoubleQuotes){var escapedString=this.replace(/[\x00-\x1f\\]/g,function(character){if(character in String.specialChar){return String.specialChar[character];} return'\\u00'+character.charCodeAt().toPaddedString(2,16);});if(useDoubleQuotes)return'"'+escapedString.replace(/"/g,'\\"')+'"';return"'"+escapedString.replace(/'/g,'\\\'')+"'";} function unfilterJSON(filter){return this.replace(filter||Prototype.JSONFilter,'$1');} function isJSON(){var str=this;if(str.blank())return false;str=str.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g,'@');str=str.replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,']');str=str.replace(/(?:^|:|,)(?:\s*\[)+/g,'');return(/^[\],:{}\s]*$/).test(str);} function evalJSON(sanitize){var json=this.unfilterJSON(),cx=/[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;if(cx.test(json)){json=json.replace(cx,function(a){return'\\u'+('0000'+a.charCodeAt(0).toString(16)).slice(-4);});} try{if(!sanitize||json.isJSON())return eval('('+json+')');}catch(e){} throw new SyntaxError('Badly formed JSON string: '+this.inspect());} function parseJSON(){var json=this.unfilterJSON();return JSON.parse(json);} function include(pattern){return this.indexOf(pattern)>-1;} function startsWith(pattern){return this.lastIndexOf(pattern,0)===0;} function endsWith(pattern){var d=this.length-pattern.length;return d>=0&&this.indexOf(pattern,d)===d;} function empty(){return this=='';} function blank(){return /^\s*$/.test(this);} function interpolate(object,pattern){return new Template(this,pattern).evaluate(object);} return{gsub:gsub,sub:sub,scan:scan,truncate:truncate,strip:String.prototype.trim||strip,stripTags:stripTags,stripScripts:stripScripts,extractScripts:extractScripts,evalScripts:evalScripts,escapeHTML:escapeHTML,unescapeHTML:unescapeHTML,toQueryParams:toQueryParams,parseQuery:toQueryParams,toArray:toArray,succ:succ,times:times,camelize:camelize,capitalize:capitalize,underscore:underscore,dasherize:dasherize,inspect:inspect,unfilterJSON:unfilterJSON,isJSON:isJSON,evalJSON:NATIVE_JSON_PARSE_SUPPORT?parseJSON:evalJSON,include:include,startsWith:startsWith,endsWith:endsWith,empty:empty,blank:blank,interpolate:interpolate};})());var Template=Class.create({initialize:function(template,pattern){this.template=template.toString();this.pattern=pattern||Template.Pattern;},evaluate:function(object){if(object&&Object.isFunction(object.toTemplateReplacements)) object=object.toTemplateReplacements();return this.template.gsub(this.pattern,function(match){if(object==null)return(match[1]+'');var before=match[1]||'';if(before=='\\')return match[2];var ctx=object,expr=match[3],pattern=/^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;match=pattern.exec(expr);if(match==null)return before;while(match!=null){var comp=match[1].startsWith('[')?match[2].replace(/\\\\]/g,']'):match[1];ctx=ctx[comp];if(null==ctx||''==match[3])break;expr=expr.substring('['==match[3]?match[1].length:match[0].length);match=pattern.exec(expr);} return before+String.interpret(ctx);});}});Template.Pattern=/(^|.|\r|\n)(#\{(.*?)\})/;var $break={};var Enumerable=(function(){function each(iterator,context){var index=0;try{this._each(function(value){iterator.call(context,value,index++);});}catch(e){if(e!=$break)throw e;} return this;} function eachSlice(number,iterator,context){var index=-number,slices=[],array=this.toArray();if(number<1)return array;while((index+=number)=result) result=value;});return result;} function min(iterator,context){iterator=iterator||Prototype.K;var result;this.each(function(value,index){value=iterator.call(context,value,index);if(result==null||valueb?1:0;}).pluck('value');} function toArray(){return this.map();} function zip(){var iterator=Prototype.K,args=$A(arguments);if(Object.isFunction(args.last())) iterator=args.pop();var collections=[this].concat(args).map($A);return this.map(function(value,index){return iterator(collections.pluck(index));});} function size(){return this.toArray().length;} function inspect(){return'#';} return{each:each,eachSlice:eachSlice,all:all,every:all,any:any,some:any,collect:collect,map:collect,detect:detect,findAll:findAll,select:findAll,filter:findAll,grep:grep,include:include,member:include,inGroupsOf:inGroupsOf,inject:inject,invoke:invoke,max:max,min:min,partition:partition,pluck:pluck,reject:reject,sortBy:sortBy,toArray:toArray,entries:toArray,zip:zip,size:size,inspect:inspect,find:detect};})();function $A(iterable){if(!iterable)return[];if('toArray'in Object(iterable))return iterable.toArray();var length=iterable.length||0,results=new Array(length);while(length--)results[length]=iterable[length];return results;} function $w(string){if(!Object.isString(string))return[];string=string.strip();return string?string.split(/\s+/):[];} Array.from=$A;(function(){var arrayProto=Array.prototype,slice=arrayProto.slice,_each=arrayProto.forEach;function each(iterator,context){for(var i=0,length=this.length>>>0;i';} function clone(){return new Hash(this);} return{initialize:initialize,_each:_each,set:set,get:get,unset:unset,toObject:toObject,toTemplateReplacements:toObject,keys:keys,values:values,index:index,merge:merge,update:update,toQueryString:toQueryString,inspect:inspect,toJSON:toObject,clone:clone};})());Hash.from=$H;Object.extend(Number.prototype,(function(){function toColorPart(){return this.toPaddedString(2,16);} function succ(){return this+1;} function times(iterator,context){$R(0,this,true).each(iterator,context);return this;} function toPaddedString(length,radix){var string=this.toString(radix||10);return'0'.times(length-string.length)+string;} function abs(){return Math.abs(this);} function round(){return Math.round(this);} function ceil(){return Math.ceil(this);} function floor(){return Math.floor(this);} return{toColorPart:toColorPart,succ:succ,times:times,toPaddedString:toPaddedString,abs:abs,round:round,ceil:ceil,floor:floor};})());function $R(start,end,exclusive){return new ObjectRange(start,end,exclusive);} var ObjectRange=Class.create(Enumerable,(function(){function initialize(start,end,exclusive){this.start=start;this.end=end;this.exclusive=exclusive;} function _each(iterator){var value=this.start;while(this.include(value)){iterator(value);value=value.succ();}} function include(value){if(value1&&!((readyState==4)&&this._complete)) this.respondToReadyState(this.transport.readyState);},setRequestHeaders:function(){var headers={'X-Requested-With':'XMLHttpRequest','X-Prototype-Version':Prototype.Version,'Accept':'text/javascript, text/html, application/xml, text/xml, */*'};if(this.method=='post'){headers['Content-type']=this.options.contentType+ (this.options.encoding?'; charset='+this.options.encoding:'');if(this.transport.overrideMimeType&&(navigator.userAgent.match(/Gecko\/(\d{4})/)||[0,2005])[1]<2005) headers['Connection']='close';} if(typeof this.options.requestHeaders=='object'){var extras=this.options.requestHeaders;if(Object.isFunction(extras.push)) for(var i=0,length=extras.length;i=200&&status<300)||status==304;},getStatus:function(){try{if(this.transport.status===1223)return 204;return this.transport.status||0;}catch(e){return 0}},respondToReadyState:function(readyState){var state=Ajax.Request.Events[readyState],response=new Ajax.Response(this);if(state=='Complete'){try{this._complete=true;(this.options['on'+response.status]||this.options['on'+(this.success()?'Success':'Failure')]||Prototype.emptyFunction)(response,response.headerJSON);}catch(e){this.dispatchException(e);} var contentType=response.getHeader('Content-type');if(this.options.evalJS=='force'||(this.options.evalJS&&this.isSameOrigin()&&contentType&&contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i))) this.evalResponse();} try{(this.options['on'+state]||Prototype.emptyFunction)(response,response.headerJSON);Ajax.Responders.dispatch('on'+state,this,response,response.headerJSON);}catch(e){this.dispatchException(e);} if(state=='Complete'){this.transport.onreadystatechange=Prototype.emptyFunction;}},isSameOrigin:function(){var m=this.url.match(/^\s*https?:\/\/[^\/]*/);return!m||(m[0]=='#{protocol}//#{domain}#{port}'.interpolate({protocol:location.protocol,domain:document.domain,port:location.port?':'+location.port:''}));},getHeader:function(name){try{return this.transport.getResponseHeader(name)||null;}catch(e){return null;}},evalResponse:function(){try{return eval((this.transport.responseText||'').unfilterJSON());}catch(e){this.dispatchException(e);}},dispatchException:function(exception){(this.options.onException||Prototype.emptyFunction)(this,exception);Ajax.Responders.dispatch('onException',this,exception);}});Ajax.Request.Events=['Uninitialized','Loading','Loaded','Interactive','Complete'];Ajax.Response=Class.create({initialize:function(request){this.request=request;var transport=this.transport=request.transport,readyState=this.readyState=transport.readyState;if((readyState>2&&!Prototype.Browser.IE)||readyState==4){this.status=this.getStatus();this.statusText=this.getStatusText();this.responseText=String.interpret(transport.responseText);this.headerJSON=this._getHeaderJSON();} if(readyState==4){var xml=transport.responseXML;this.responseXML=Object.isUndefined(xml)?null:xml;this.responseJSON=this._getResponseJSON();}},status:0,statusText:'',getStatus:Ajax.Request.prototype.getStatus,getStatusText:function(){try{return this.transport.statusText||'';}catch(e){return''}},getHeader:Ajax.Request.prototype.getHeader,getAllHeaders:function(){try{return this.getAllResponseHeaders();}catch(e){return null}},getResponseHeader:function(name){return this.transport.getResponseHeader(name);},getAllResponseHeaders:function(){return this.transport.getAllResponseHeaders();},_getHeaderJSON:function(){var json=this.getHeader('X-JSON');if(!json)return null;json=decodeURIComponent(escape(json));try{return json.evalJSON(this.request.options.sanitizeJSON||!this.request.isSameOrigin());}catch(e){this.request.dispatchException(e);}},_getResponseJSON:function(){var options=this.request.options;if(!options.evalJSON||(options.evalJSON!='force'&&!(this.getHeader('Content-type')||'').include('application/json'))||this.responseText.blank()) return null;try{return this.responseText.evalJSON(options.sanitizeJSON||!this.request.isSameOrigin());}catch(e){this.request.dispatchException(e);}}});Ajax.Updater=Class.create(Ajax.Request,{initialize:function($super,container,url,options){this.container={success:(container.success||container),failure:(container.failure||(container.success?null:container))};options=Object.clone(options);var onComplete=options.onComplete;options.onComplete=(function(response,json){this.updateContent(response.responseText);if(Object.isFunction(onComplete))onComplete(response,json);}).bind(this);$super(url,options);},updateContent:function(responseText){var receiver=this.container[this.success()?'success':'failure'],options=this.options;if(!options.evalScripts)responseText=responseText.stripScripts();if(receiver=$(receiver)){if(options.insertion){if(Object.isString(options.insertion)){var insertion={};insertion[options.insertion]=responseText;receiver.insert(insertion);} else options.insertion(receiver,responseText);} else receiver.update(responseText);}}});Ajax.PeriodicalUpdater=Class.create(Ajax.Base,{initialize:function($super,container,url,options){$super(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(response){if(this.options.decay){this.decay=(response.responseText==this.lastText?this.decay*this.options.decay:1);this.lastText=response.responseText;} this.timer=this.onTimerEvent.bind(this).delay(this.decay*this.frequency);},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');return el.tagName.toLowerCase()==='input'&&el.name==='x';} catch(err){return false;}})();var element=global.Element;global.Element=function(tagName,attributes){attributes=attributes||{};tagName=tagName.toLowerCase();var cache=Element.cache;if(HAS_EXTENDED_CREATE_ELEMENT_SYNTAX&&attributes.name){tagName='<'+tagName+' name="'+attributes.name+'">';delete attributes.name;return Element.writeAttribute(document.createElement(tagName),attributes);} if(!cache[tagName])cache[tagName]=Element.extend(document.createElement(tagName));var node=shouldUseCache(tagName,attributes)?cache[tagName].cloneNode(false):document.createElement(tagName);return Element.writeAttribute(node,attributes);};Object.extend(global.Element,element||{});if(element)global.Element.prototype=element.prototype;})(this);Element.idCounter=1;Element.cache={};Element._purgeElement=function(element){var uid=element._prototypeUID;if(uid){Element.stopObserving(element);element._prototypeUID=void 0;delete Element.Storage[uid];}} Element.Methods={visible:function(element){return $(element).style.display!='none';},toggle:function(element){element=$(element);Element[Element.visible(element)?'hide':'show'](element);return element;},hide:function(element){element=$(element);element.style.display='none';return element;},show:function(element){element=$(element);element.style.display='';return element;},remove:function(element){element=$(element);element.parentNode.removeChild(element);return element;},update:(function(){var SELECT_ELEMENT_INNERHTML_BUGGY=(function(){var el=document.createElement("select"),isBuggy=true;el.innerHTML="";if(el.options&&el.options[0]){isBuggy=el.options[0].nodeName.toUpperCase()!=="OPTION";} el=null;return isBuggy;})();var TABLE_ELEMENT_INNERHTML_BUGGY=(function(){try{var el=document.createElement("table");if(el&&el.tBodies){el.innerHTML="test";var isBuggy=typeof el.tBodies[0]=="undefined";el=null;return isBuggy;}}catch(e){return true;}})();var LINK_ELEMENT_INNERHTML_BUGGY=(function(){try{var el=document.createElement('div');el.innerHTML="";var isBuggy=(el.childNodes.length===0);el=null;return isBuggy;}catch(e){return true;}})();var ANY_INNERHTML_BUGGY=SELECT_ELEMENT_INNERHTML_BUGGY||TABLE_ELEMENT_INNERHTML_BUGGY||LINK_ELEMENT_INNERHTML_BUGGY;var SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING=(function(){var s=document.createElement("script"),isBuggy=false;try{s.appendChild(document.createTextNode(""));isBuggy=!s.firstChild||s.firstChild&&s.firstChild.nodeType!==3;}catch(e){isBuggy=true;} s=null;return isBuggy;})();function update(element,content){element=$(element);var purgeElement=Element._purgeElement;var descendants=element.getElementsByTagName('*'),i=descendants.length;while(i--)purgeElement(descendants[i]);if(content&&content.toElement) content=content.toElement();if(Object.isElement(content)) return element.update().insert(content);content=Object.toHTML(content);var tagName=element.tagName.toUpperCase();if(tagName==='SCRIPT'&&SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING){element.text=content;return element;} if(ANY_INNERHTML_BUGGY){if(tagName in Element._insertionTranslations.tags){while(element.firstChild){element.removeChild(element.firstChild);} Element._getContentFromAnonymousElement(tagName,content.stripScripts()).each(function(node){element.appendChild(node)});}else if(LINK_ELEMENT_INNERHTML_BUGGY&&Object.isString(content)&&content.indexOf('-1){while(element.firstChild){element.removeChild(element.firstChild);} var nodes=Element._getContentFromAnonymousElement(tagName,content.stripScripts(),true);nodes.each(function(node){element.appendChild(node)});} else{element.innerHTML=content.stripScripts();}} else{element.innerHTML=content.stripScripts();} content.evalScripts.bind(content).defer();return element;} return update;})(),replace:function(element,content){element=$(element);if(content&&content.toElement)content=content.toElement();else if(!Object.isElement(content)){content=Object.toHTML(content);var range=element.ownerDocument.createRange();range.selectNode(element);content.evalScripts.bind(content).defer();content=range.createContextualFragment(content.stripScripts());} element.parentNode.replaceChild(content,element);return element;},insert:function(element,insertions){element=$(element);if(Object.isString(insertions)||Object.isNumber(insertions)||Object.isElement(insertions)||(insertions&&(insertions.toElement||insertions.toHTML))) insertions={bottom:insertions};var content,insert,tagName,childNodes;for(var position in insertions){content=insertions[position];position=position.toLowerCase();insert=Element._insertionTranslations[position];if(content&&content.toElement)content=content.toElement();if(Object.isElement(content)){insert(element,content);continue;} content=Object.toHTML(content);tagName=((position=='before'||position=='after')?element.parentNode:element).tagName.toUpperCase();childNodes=Element._getContentFromAnonymousElement(tagName,content.stripScripts());if(position=='top'||position=='after')childNodes.reverse();childNodes.each(insert.curry(element));content.evalScripts.bind(content).defer();} return element;},wrap:function(element,wrapper,attributes){element=$(element);if(Object.isElement(wrapper)) $(wrapper).writeAttribute(attributes||{});else if(Object.isString(wrapper))wrapper=new Element(wrapper,attributes);else wrapper=new Element('div',wrapper);if(element.parentNode) element.parentNode.replaceChild(wrapper,element);wrapper.appendChild(element);return wrapper;},inspect:function(element){element=$(element);var result='<'+element.tagName.toLowerCase();$H({'id':'id','className':'class'}).each(function(pair){var property=pair.first(),attribute=pair.last(),value=(element[property]||'').toString();if(value)result+=' '+attribute+'='+value.inspect(true);});return result+'>';},recursivelyCollect:function(element,property,maximumLength){element=$(element);maximumLength=maximumLength||-1;var elements=[];while(element=element[property]){if(element.nodeType==1) elements.push(Element.extend(element));if(elements.length==maximumLength) break;} return elements;},ancestors:function(element){return Element.recursivelyCollect(element,'parentNode');},descendants:function(element){return Element.select(element,"*");},firstDescendant:function(element){element=$(element).firstChild;while(element&&element.nodeType!=1)element=element.nextSibling;return $(element);},immediateDescendants:function(element){var results=[],child=$(element).firstChild;while(child){if(child.nodeType===1){results.push(Element.extend(child));} child=child.nextSibling;} return results;},previousSiblings:function(element,maximumLength){return Element.recursivelyCollect(element,'previousSibling');},nextSiblings:function(element){return Element.recursivelyCollect(element,'nextSibling');},siblings:function(element){element=$(element);return Element.previousSiblings(element).reverse().concat(Element.nextSiblings(element));},match:function(element,selector){element=$(element);if(Object.isString(selector)) return Prototype.Selector.match(element,selector);return selector.match(element);},up:function(element,expression,index){element=$(element);if(arguments.length==1)return $(element.parentNode);var ancestors=Element.ancestors(element);return Object.isNumber(expression)?ancestors[expression]:Prototype.Selector.find(ancestors,expression,index);},down:function(element,expression,index){element=$(element);if(arguments.length==1)return Element.firstDescendant(element);return Object.isNumber(expression)?Element.descendants(element)[expression]:Element.select(element,expression)[index||0];},previous:function(element,expression,index){element=$(element);if(Object.isNumber(expression))index=expression,expression=false;if(!Object.isNumber(index))index=0;if(expression){return Prototype.Selector.find(element.previousSiblings(),expression,index);}else{return element.recursivelyCollect("previousSibling",index+1)[index];}},next:function(element,expression,index){element=$(element);if(Object.isNumber(expression))index=expression,expression=false;if(!Object.isNumber(index))index=0;if(expression){return Prototype.Selector.find(element.nextSiblings(),expression,index);}else{var maximumLength=Object.isNumber(index)?index+1:1;return element.recursivelyCollect("nextSibling",index+1)[index];}},select:function(element){element=$(element);var expressions=Array.prototype.slice.call(arguments,1).join(', ');return Prototype.Selector.select(expressions,element);},adjacent:function(element){element=$(element);var expressions=Array.prototype.slice.call(arguments,1).join(', ');return Prototype.Selector.select(expressions,element.parentNode).without(element);},identify:function(element){element=$(element);var id=Element.readAttribute(element,'id');if(id)return id;do{id='anonymous_element_'+Element.idCounter++}while($(id));Element.writeAttribute(element,'id',id);return id;},readAttribute:function(element,name){element=$(element);if(Prototype.Browser.IE){var t=Element._attributeTranslations.read;if(t.values[name])return t.values[name](element,name);if(t.names[name])name=t.names[name];if(name.include(':')){return(!element.attributes||!element.attributes[name])?null:element.attributes[name].value;}} return element.getAttribute(name);},writeAttribute:function(element,name,value){element=$(element);var attributes={},t=Element._attributeTranslations.write;if(typeof name=='object')attributes=name;else attributes[name]=Object.isUndefined(value)?true:value;for(var attr in attributes){name=t.names[attr]||attr;value=attributes[attr];if(t.values[attr])name=t.values[attr](element,value);if(value===false||value===null) element.removeAttribute(name);else if(value===true) element.setAttribute(name,name);else element.setAttribute(name,value);} return element;},getHeight:function(element){return Element.getDimensions(element).height;},getWidth:function(element){return Element.getDimensions(element).width;},classNames:function(element){return new Element.ClassNames(element);},hasClassName:function(element,className){if(!(element=$(element)))return;var elementClassName=element.className;return(elementClassName.length>0&&(elementClassName==className||new RegExp("(^|\\s)"+className+"(\\s|$)").test(elementClassName)));},addClassName:function(element,className){if(!(element=$(element)))return;if(!Element.hasClassName(element,className)) element.className+=(element.className?' ':'')+className;return element;},removeClassName:function(element,className){if(!(element=$(element)))return;element.className=element.className.replace(new RegExp("(^|\\s+)"+className+"(\\s+|$)"),' ').strip();return element;},toggleClassName:function(element,className){if(!(element=$(element)))return;return Element[Element.hasClassName(element,className)?'removeClassName':'addClassName'](element,className);},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 $(element).innerHTML.blank();},descendantOf:function(element,ancestor){element=$(element),ancestor=$(ancestor);if(element.compareDocumentPosition) return(element.compareDocumentPosition(ancestor)&8)===8;if(ancestor.contains) return ancestor.contains(element)&&ancestor!==element;while(element=element.parentNode) if(element==ancestor)return true;return false;},scrollTo:function(element){element=$(element);var pos=Element.cumulativeOffset(element);window.scrollTo(pos[0],pos[1]);return element;},getStyle:function(element,style){element=$(element);style=style=='float'?'cssFloat':style.camelize();var value=element.style[style];if(!value||value=='auto'){var css=document.defaultView.getComputedStyle(element,null);value=css?css[style]:null;} if(style=='opacity')return value?parseFloat(value):1.0;return value=='auto'?null:value;},getOpacity:function(element){return $(element).getStyle('opacity');},setStyle:function(element,styles){element=$(element);var elementStyle=element.style,match;if(Object.isString(styles)){element.style.cssText+=';'+styles;return styles.include('opacity')?element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]):element;} for(var property in styles) if(property=='opacity')element.setOpacity(styles[property]);else elementStyle[(property=='float'||property=='cssFloat')?(Object.isUndefined(elementStyle.styleFloat)?'cssFloat':'styleFloat'):property]=styles[property];return element;},setOpacity:function(element,value){element=$(element);element.style.opacity=(value==1||value==='')?'':(value<0.00001)?0:value;return element;},makePositioned:function(element){element=$(element);var pos=Element.getStyle(element,'position');if(pos=='static'||!pos){element._madePositioned=true;element.style.position='relative';if(Prototype.Browser.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.getStyle(element,'overflow')||'auto';if(element._overflow!=='hidden') element.style.overflow='hidden';return element;},undoClipping:function(element){element=$(element);if(!element._overflow)return element;element.style.overflow=element._overflow=='auto'?'':element._overflow;element._overflow=null;return element;},clonePosition:function(element,source){var options=Object.extend({setLeft:true,setTop:true,setWidth:true,setHeight:true,offsetTop:0,offsetLeft:0},arguments[2]||{});source=$(source);var p=Element.viewportOffset(source),delta=[0,0],parent=null;element=$(element);if(Element.getStyle(element,'position')=='absolute'){parent=Element.getOffsetParent(element);delta=Element.viewportOffset(parent);} if(parent==document.body){delta[0]-=document.body.offsetLeft;delta[1]-=document.body.offsetTop;} if(options.setLeft)element.style.left=(p[0]-delta[0]+options.offsetLeft)+'px';if(options.setTop)element.style.top=(p[1]-delta[1]+options.offsetTop)+'px';if(options.setWidth)element.style.width=source.offsetWidth+'px';if(options.setHeight)element.style.height=source.offsetHeight+'px';return element;}};Object.extend(Element.Methods,{getElementsBySelector:Element.Methods.select,childElements:Element.Methods.immediateDescendants});Element._attributeTranslations={write:{names:{className:'class',htmlFor:'for'},values:{}}};if(Prototype.Browser.Opera){Element.Methods.getStyle=Element.Methods.getStyle.wrap(function(proceed,element,style){switch(style){case'height':case'width':if(!Element.visible(element))return null;var dim=parseInt(proceed(element,style),10);if(dim!==element['offset'+style.capitalize()]) return dim+'px';var properties;if(style==='height'){properties=['border-top-width','padding-top','padding-bottom','border-bottom-width'];} else{properties=['border-left-width','padding-left','padding-right','border-right-width'];} return properties.inject(dim,function(memo,property){var val=proceed(element,property);return val===null?memo:memo-parseInt(val,10);})+'px';default:return proceed(element,style);}});Element.Methods.readAttribute=Element.Methods.readAttribute.wrap(function(proceed,element,attribute){if(attribute==='title')return element.title;return proceed(element,attribute);});} else if(Prototype.Browser.IE){Element.Methods.getStyle=function(element,style){element=$(element);style=(style=='float'||style=='cssFloat')?'styleFloat':style.camelize();var value=element.style[style];if(!value&&element.currentStyle)value=element.currentStyle[style];if(style=='opacity'){if(value=(element.getStyle('filter')||'').match(/alpha\(opacity=(.*)\)/)) if(value[1])return parseFloat(value[1])/100;return 1.0;} if(value=='auto'){if((style=='width'||style=='height')&&(element.getStyle('display')!='none')) return element['offset'+style.capitalize()]+'px';return null;} return value;};Element.Methods.setOpacity=function(element,value){function stripAlpha(filter){return filter.replace(/alpha\([^\)]*\)/gi,'');} element=$(element);var currentStyle=element.currentStyle;if((currentStyle&&!currentStyle.hasLayout)||(!currentStyle&&element.style.zoom=='normal')) element.style.zoom=1;var filter=element.getStyle('filter'),style=element.style;if(value==1||value===''){(filter=stripAlpha(filter))?style.filter=filter:style.removeAttribute('filter');return element;}else if(value<0.00001)value=0;style.filter=stripAlpha(filter)+'alpha(opacity='+(value*100)+')';return element;};Element._attributeTranslations=(function(){var classProp='className',forProp='for',el=document.createElement('div');el.setAttribute(classProp,'x');if(el.className!=='x'){el.setAttribute('class','x');if(el.className==='x'){classProp='class';}} el=null;el=document.createElement('label');el.setAttribute(forProp,'x');if(el.htmlFor!=='x'){el.setAttribute('htmlFor','x');if(el.htmlFor==='x'){forProp='htmlFor';}} el=null;return{read:{names:{'class':classProp,'className':classProp,'for':forProp,'htmlFor':forProp},values:{_getAttr:function(element,attribute){return element.getAttribute(attribute);},_getAttr2:function(element,attribute){return element.getAttribute(attribute,2);},_getAttrNode:function(element,attribute){var node=element.getAttributeNode(attribute);return node?node.value:"";},_getEv:(function(){var el=document.createElement('div'),f;el.onclick=Prototype.emptyFunction;var value=el.getAttribute('onclick');if(String(value).indexOf('{')>-1){f=function(element,attribute){attribute=element.getAttribute(attribute);if(!attribute)return null;attribute=attribute.toString();attribute=attribute.split('{')[1];attribute=attribute.split('}')[0];return attribute.strip();};} else if(value===''){f=function(element,attribute){attribute=element.getAttribute(attribute);if(!attribute)return null;return attribute.strip();};} el=null;return f;})(),_flag:function(element,attribute){return $(element).hasAttribute(attribute)?attribute:null;},style:function(element){return element.style.cssText.toLowerCase();},title:function(element){return element.title;}}}}})();Element._attributeTranslations.write={names:Object.extend({cellpadding:'cellPadding',cellspacing:'cellSpacing'},Element._attributeTranslations.read.names),values:{checked:function(element,value){element.checked=!!value;},style:function(element,value){element.style.cssText=value?value:'';}}};Element._attributeTranslations.has={};$w('colSpan rowSpan vAlign dateTime accessKey tabIndex '+'encType maxLength readOnly longDesc frameBorder').each(function(attr){Element._attributeTranslations.write.names[attr.toLowerCase()]=attr;Element._attributeTranslations.has[attr.toLowerCase()]=attr;});(function(v){Object.extend(v,{href:v._getAttr2,src:v._getAttr2,type:v._getAttr,action:v._getAttrNode,disabled:v._flag,checked:v._flag,readonly:v._flag,multiple:v._flag,onload:v._getEv,onunload:v._getEv,onclick:v._getEv,ondblclick:v._getEv,onmousedown:v._getEv,onmouseup:v._getEv,onmouseover:v._getEv,onmousemove:v._getEv,onmouseout:v._getEv,onfocus:v._getEv,onblur:v._getEv,onkeypress:v._getEv,onkeydown:v._getEv,onkeyup:v._getEv,onsubmit:v._getEv,onreset:v._getEv,onselect:v._getEv,onchange:v._getEv});})(Element._attributeTranslations.read.values);if(Prototype.BrowserFeatures.ElementExtensions){(function(){function _descendants(element){var nodes=element.getElementsByTagName('*'),results=[];for(var i=0,node;node=nodes[i];i++) if(node.tagName!=="!") results.push(node);return results;} Element.Methods.down=function(element,expression,index){element=$(element);if(arguments.length==1)return element.firstDescendant();return Object.isNumber(expression)?_descendants(element)[expression]:Element.select(element,expression)[index||0];}})();}} else if(Prototype.Browser.Gecko&&/rv:1\.8\.0/.test(navigator.userAgent)){Element.Methods.setOpacity=function(element,value){element=$(element);element.style.opacity=(value==1)?0.999999:(value==='')?'':(value<0.00001)?0:value;return element;};} else if(Prototype.Browser.WebKit){Element.Methods.setOpacity=function(element,value){element=$(element);element.style.opacity=(value==1||value==='')?'':(value<0.00001)?0:value;if(value==1) if(element.tagName.toUpperCase()=='IMG'&&element.width){element.width++;element.width--;}else try{var n=document.createTextNode(' ');element.appendChild(n);element.removeChild(n);}catch(e){} return element;};} if('outerHTML'in document.documentElement){Element.Methods.replace=function(element,content){element=$(element);if(content&&content.toElement)content=content.toElement();if(Object.isElement(content)){element.parentNode.replaceChild(content,element);return element;} content=Object.toHTML(content);var parent=element.parentNode,tagName=parent.tagName.toUpperCase();if(Element._insertionTranslations.tags[tagName]){var nextSibling=element.next(),fragments=Element._getContentFromAnonymousElement(tagName,content.stripScripts());parent.removeChild(element);if(nextSibling) fragments.each(function(node){parent.insertBefore(node,nextSibling)});else fragments.each(function(node){parent.appendChild(node)});} else element.outerHTML=content.stripScripts();content.evalScripts.bind(content).defer();return element;};} Element._returnOffset=function(l,t){var result=[l,t];result.left=l;result.top=t;return result;};Element._getContentFromAnonymousElement=function(tagName,html,force){var div=new Element('div'),t=Element._insertionTranslations.tags[tagName];var workaround=false;if(t)workaround=true;else if(force){workaround=true;t=['','',0];} if(workaround){div.innerHTML=' '+t[0]+html+t[1];div.removeChild(div.firstChild);for(var i=t[2];i--;){div=div.firstChild;}} else{div.innerHTML=html;} return $A(div.childNodes);};Element._insertionTranslations={before:function(element,node){element.parentNode.insertBefore(node,element);},top:function(element,node){element.insertBefore(node,element.firstChild);},bottom:function(element,node){element.appendChild(node);},after:function(element,node){element.parentNode.insertBefore(node,element.nextSibling);},tags:{TABLE:['','
',1],TBODY:['','
',2],TR:['','
',3],TD:['
','
',4],SELECT:['',1]}};(function(){var tags=Element._insertionTranslations.tags;Object.extend(tags,{THEAD:tags.TBODY,TFOOT:tags.TBODY,TH:tags.TD});})();Element.Methods.Simulated={hasAttribute:function(element,attribute){attribute=Element._attributeTranslations.has[attribute]||attribute;var node=$(element).getAttributeNode(attribute);return!!(node&&node.specified);}};Element.Methods.ByTag={};Object.extend(Element,Element.Methods);(function(div){if(!Prototype.BrowserFeatures.ElementExtensions&&div['__proto__']){window.HTMLElement={};window.HTMLElement.prototype=div['__proto__'];Prototype.BrowserFeatures.ElementExtensions=true;} div=null;})(document.createElement('div'));Element.extend=(function(){function checkDeficiency(tagName){if(typeof window.Element!='undefined'){var proto=window.Element.prototype;if(proto){var id='_'+(Math.random()+'').slice(2),el=document.createElement(tagName);proto[id]='x';var isBuggy=(el[id]!=='x');delete proto[id];el=null;return isBuggy;}} return false;} function extendElementWith(element,methods){for(var property in methods){var value=methods[property];if(Object.isFunction(value)&&!(property in element)) element[property]=value.methodize();}} var HTMLOBJECTELEMENT_PROTOTYPE_BUGGY=checkDeficiency('object');if(Prototype.BrowserFeatures.SpecificElementExtensions){if(HTMLOBJECTELEMENT_PROTOTYPE_BUGGY){return function(element){if(element&&typeof element._extendedByPrototype=='undefined'){var t=element.tagName;if(t&&(/^(?:object|applet|embed)$/i.test(t))){extendElementWith(element,Element.Methods);extendElementWith(element,Element.Methods.Simulated);extendElementWith(element,Element.Methods.ByTag[t.toUpperCase()]);}} return element;}} return Prototype.K;} var Methods={},ByTag=Element.Methods.ByTag;var extend=Object.extend(function(element){if(!element||typeof element._extendedByPrototype!='undefined'||element.nodeType!=1||element==window)return element;var methods=Object.clone(Methods),tagName=element.tagName.toUpperCase();if(ByTag[tagName])Object.extend(methods,ByTag[tagName]);extendElementWith(element,methods);element._extendedByPrototype=Prototype.emptyFunction;return element;},{refresh:function(){if(!Prototype.BrowserFeatures.ElementExtensions){Object.extend(Methods,Element.Methods);Object.extend(Methods,Element.Methods.Simulated);}}});extend.refresh();return extend;})();if(document.documentElement.hasAttribute){Element.hasAttribute=function(element,attribute){return element.hasAttribute(attribute);};} else{Element.hasAttribute=Element.Methods.Simulated.hasAttribute;} Element.addMethods=function(methods){var F=Prototype.BrowserFeatures,T=Element.Methods.ByTag;if(!methods){Object.extend(Form,Form.Methods);Object.extend(Form.Element,Form.Element.Methods);Object.extend(Element.Methods.ByTag,{"FORM":Object.clone(Form.Methods),"INPUT":Object.clone(Form.Element.Methods),"SELECT":Object.clone(Form.Element.Methods),"TEXTAREA":Object.clone(Form.Element.Methods),"BUTTON":Object.clone(Form.Element.Methods)});} if(arguments.length==2){var tagName=methods;methods=arguments[1];} if(!tagName)Object.extend(Element.Methods,methods||{});else{if(Object.isArray(tagName))tagName.each(extend);else extend(tagName);} function extend(tagName){tagName=tagName.toUpperCase();if(!Element.Methods.ByTag[tagName]) Element.Methods.ByTag[tagName]={};Object.extend(Element.Methods.ByTag[tagName],methods);} function copy(methods,destination,onlyIfAbsent){onlyIfAbsent=onlyIfAbsent||false;for(var property in methods){var value=methods[property];if(!Object.isFunction(value))continue;if(!onlyIfAbsent||!(property in destination)) destination[property]=value.methodize();}} function findDOMClass(tagName){var klass;var trans={"OPTGROUP":"OptGroup","TEXTAREA":"TextArea","P":"Paragraph","FIELDSET":"FieldSet","UL":"UList","OL":"OList","DL":"DList","DIR":"Directory","H1":"Heading","H2":"Heading","H3":"Heading","H4":"Heading","H5":"Heading","H6":"Heading","Q":"Quote","INS":"Mod","DEL":"Mod","A":"Anchor","IMG":"Image","CAPTION":"TableCaption","COL":"TableCol","COLGROUP":"TableCol","THEAD":"TableSection","TFOOT":"TableSection","TBODY":"TableSection","TR":"TableRow","TH":"TableCell","TD":"TableCell","FRAMESET":"FrameSet","IFRAME":"IFrame"};if(trans[tagName])klass='HTML'+trans[tagName]+'Element';if(window[klass])return window[klass];klass='HTML'+tagName+'Element';if(window[klass])return window[klass];klass='HTML'+tagName.capitalize()+'Element';if(window[klass])return window[klass];var element=document.createElement(tagName),proto=element['__proto__']||element.constructor.prototype;element=null;return proto;} var elementPrototype=window.HTMLElement?HTMLElement.prototype:Element.prototype;if(F.ElementExtensions){copy(Element.Methods,elementPrototype);copy(Element.Methods.Simulated,elementPrototype,true);} if(F.SpecificElementExtensions){for(var tag in Element.Methods.ByTag){var klass=findDOMClass(tag);if(Object.isUndefined(klass))continue;copy(T[tag],klass.prototype);}} Object.extend(Element,Element.Methods);delete Element.ByTag;if(Element.extend.refresh)Element.extend.refresh();Element.cache={};};document.viewport={getDimensions:function(){return{width:this.getWidth(),height:this.getHeight()};},getScrollOffsets:function(){return Element._returnOffset(window.pageXOffset||document.documentElement.scrollLeft||document.body.scrollLeft,window.pageYOffset||document.documentElement.scrollTop||document.body.scrollTop);}};(function(viewport){var B=Prototype.Browser,doc=document,element,property={};function getRootElement(){if(B.WebKit&&!doc.evaluate) return document;if(B.Opera&&window.parseFloat(window.opera.version())<9.5) return document.body;return document.documentElement;} function define(D){if(!element)element=getRootElement();property[D]='client'+D;viewport['get'+D]=function(){return element[property[D]]};return viewport['get'+D]();} viewport.getWidth=define.curry('Width');viewport.getHeight=define.curry('Height');})(document.viewport);Element.Storage={UID:1};Element.addMethods({getStorage:function(element){if(!(element=$(element)))return;var uid;if(element===window){uid=0;}else{if(typeof element._prototypeUID==="undefined") element._prototypeUID=Element.Storage.UID++;uid=element._prototypeUID;} if(!Element.Storage[uid]) Element.Storage[uid]=$H();return Element.Storage[uid];},store:function(element,key,value){if(!(element=$(element)))return;if(arguments.length===2){Element.getStorage(element).update(key);}else{Element.getStorage(element).set(key,value);} return element;},retrieve:function(element,key,defaultValue){if(!(element=$(element)))return;var hash=Element.getStorage(element),value=hash.get(key);if(Object.isUndefined(value)){hash.set(key,defaultValue);value=defaultValue;} return value;},clone:function(element,deep){if(!(element=$(element)))return;var clone=element.cloneNode(deep);clone._prototypeUID=void 0;if(deep){var descendants=Element.select(clone,'*'),i=descendants.length;while(i--){descendants[i]._prototypeUID=void 0;}} return Element.extend(clone);},purge:function(element){if(!(element=$(element)))return;var purgeElement=Element._purgeElement;purgeElement(element);var descendants=element.getElementsByTagName('*'),i=descendants.length;while(i--)purgeElement(descendants[i]);return null;}});(function(){function toDecimal(pctString){var match=pctString.match(/^(\d+)%?$/i);if(!match)return null;return(Number(match[1])/100);} function getPixelValue(value,property,context){var element=null;if(Object.isElement(value)){element=value;value=element.getStyle(property);} if(value===null){return null;} if((/^(?:-)?\d+(\.\d+)?(px)?$/i).test(value)){return window.parseFloat(value);} var isPercentage=value.include('%'),isViewport=(context===document.viewport);if(/\d/.test(value)&&element&&element.runtimeStyle&&!(isPercentage&&isViewport)){var style=element.style.left,rStyle=element.runtimeStyle.left;element.runtimeStyle.left=element.currentStyle.left;element.style.left=value||0;value=element.style.pixelLeft;element.style.left=style;element.runtimeStyle.left=rStyle;return value;} if(element&&isPercentage){context=context||element.parentNode;var decimal=toDecimal(value);var whole=null;var position=element.getStyle('position');var isHorizontal=property.include('left')||property.include('right')||property.include('width');var isVertical=property.include('top')||property.include('bottom')||property.include('height');if(context===document.viewport){if(isHorizontal){whole=document.viewport.getWidth();}else if(isVertical){whole=document.viewport.getHeight();}}else{if(isHorizontal){whole=$(context).measure('width');}else if(isVertical){whole=$(context).measure('height');}} return(whole===null)?0:whole*decimal;} return 0;} function toCSSPixels(number){if(Object.isString(number)&&number.endsWith('px')){return number;} return number+'px';} function isDisplayed(element){var originalElement=element;while(element&&element.parentNode){var display=element.getStyle('display');if(display==='none'){return false;} element=$(element.parentNode);} return true;} var hasLayout=Prototype.K;if('currentStyle'in document.documentElement){hasLayout=function(element){if(!element.currentStyle.hasLayout){element.style.zoom=1;} return element;};} function cssNameFor(key){if(key.include('border'))key=key+'-width';return key.camelize();} Element.Layout=Class.create(Hash,{initialize:function($super,element,preCompute){$super();this.element=$(element);Element.Layout.PROPERTIES.each(function(property){this._set(property,null);},this);if(preCompute){this._preComputing=true;this._begin();Element.Layout.PROPERTIES.each(this._compute,this);this._end();this._preComputing=false;}},_set:function(property,value){return Hash.prototype.set.call(this,property,value);},set:function(property,value){throw"Properties of Element.Layout are read-only.";},get:function($super,property){var value=$super(property);return value===null?this._compute(property):value;},_begin:function(){if(this._prepared)return;var element=this.element;if(isDisplayed(element)){this._prepared=true;return;} var originalStyles={position:element.style.position||'',width:element.style.width||'',visibility:element.style.visibility||'',display:element.style.display||''};element.store('prototype_original_styles',originalStyles);var position=element.getStyle('position'),width=element.getStyle('width');if(width==="0px"||width===null){element.style.display='block';width=element.getStyle('width');} var context=(position==='fixed')?document.viewport:element.parentNode;element.setStyle({position:'absolute',visibility:'hidden',display:'block'});var positionedWidth=element.getStyle('width');var newWidth;if(width&&(positionedWidth===width)){newWidth=getPixelValue(element,'width',context);}else if(position==='absolute'||position==='fixed'){newWidth=getPixelValue(element,'width',context);}else{var parent=element.parentNode,pLayout=$(parent).getLayout();newWidth=pLayout.get('width')- this.get('margin-left')- this.get('border-left')- this.get('padding-left')- this.get('padding-right')- this.get('border-right')- this.get('margin-right');} element.setStyle({width:newWidth+'px'});this._prepared=true;},_end:function(){var element=this.element;var originalStyles=element.retrieve('prototype_original_styles');element.store('prototype_original_styles',null);element.setStyle(originalStyles);this._prepared=false;},_compute:function(property){var COMPUTATIONS=Element.Layout.COMPUTATIONS;if(!(property in COMPUTATIONS)){throw"Property not found.";} return this._set(property,COMPUTATIONS[property].call(this,this.element));},toObject:function(){var args=$A(arguments);var keys=(args.length===0)?Element.Layout.PROPERTIES:args.join(' ').split(' ');var obj={};keys.each(function(key){if(!Element.Layout.PROPERTIES.include(key))return;var value=this.get(key);if(value!=null)obj[key]=value;},this);return obj;},toHash:function(){var obj=this.toObject.apply(this,arguments);return new Hash(obj);},toCSS:function(){var args=$A(arguments);var keys=(args.length===0)?Element.Layout.PROPERTIES:args.join(' ').split(' ');var css={};keys.each(function(key){if(!Element.Layout.PROPERTIES.include(key))return;if(Element.Layout.COMPOSITE_PROPERTIES.include(key))return;var value=this.get(key);if(value!=null)css[cssNameFor(key)]=value+'px';},this);return css;},inspect:function(){return"#";}});Object.extend(Element.Layout,{PROPERTIES:$w('height width top left right bottom border-left border-right border-top border-bottom padding-left padding-right padding-top padding-bottom margin-top margin-bottom margin-left margin-right padding-box-width padding-box-height border-box-width border-box-height margin-box-width margin-box-height'),COMPOSITE_PROPERTIES:$w('padding-box-width padding-box-height margin-box-width margin-box-height border-box-width border-box-height'),COMPUTATIONS:{'height':function(element){if(!this._preComputing)this._begin();var bHeight=this.get('border-box-height');if(bHeight<=0){if(!this._preComputing)this._end();return 0;} var bTop=this.get('border-top'),bBottom=this.get('border-bottom');var pTop=this.get('padding-top'),pBottom=this.get('padding-bottom');if(!this._preComputing)this._end();return bHeight-bTop-bBottom-pTop-pBottom;},'width':function(element){if(!this._preComputing)this._begin();var bWidth=this.get('border-box-width');if(bWidth<=0){if(!this._preComputing)this._end();return 0;} var bLeft=this.get('border-left'),bRight=this.get('border-right');var pLeft=this.get('padding-left'),pRight=this.get('padding-right');if(!this._preComputing)this._end();return bWidth-bLeft-bRight-pLeft-pRight;},'padding-box-height':function(element){var height=this.get('height'),pTop=this.get('padding-top'),pBottom=this.get('padding-bottom');return height+pTop+pBottom;},'padding-box-width':function(element){var width=this.get('width'),pLeft=this.get('padding-left'),pRight=this.get('padding-right');return width+pLeft+pRight;},'border-box-height':function(element){if(!this._preComputing)this._begin();var height=element.offsetHeight;if(!this._preComputing)this._end();return height;},'border-box-width':function(element){if(!this._preComputing)this._begin();var width=element.offsetWidth;if(!this._preComputing)this._end();return width;},'margin-box-height':function(element){var bHeight=this.get('border-box-height'),mTop=this.get('margin-top'),mBottom=this.get('margin-bottom');if(bHeight<=0)return 0;return bHeight+mTop+mBottom;},'margin-box-width':function(element){var bWidth=this.get('border-box-width'),mLeft=this.get('margin-left'),mRight=this.get('margin-right');if(bWidth<=0)return 0;return bWidth+mLeft+mRight;},'top':function(element){var offset=element.positionedOffset();return offset.top;},'bottom':function(element){var offset=element.positionedOffset(),parent=element.getOffsetParent(),pHeight=parent.measure('height');var mHeight=this.get('border-box-height');return pHeight-mHeight-offset.top;},'left':function(element){var offset=element.positionedOffset();return offset.left;},'right':function(element){var offset=element.positionedOffset(),parent=element.getOffsetParent(),pWidth=parent.measure('width');var mWidth=this.get('border-box-width');return pWidth-mWidth-offset.left;},'padding-top':function(element){return getPixelValue(element,'paddingTop');},'padding-bottom':function(element){return getPixelValue(element,'paddingBottom');},'padding-left':function(element){return getPixelValue(element,'paddingLeft');},'padding-right':function(element){return getPixelValue(element,'paddingRight');},'border-top':function(element){return getPixelValue(element,'borderTopWidth');},'border-bottom':function(element){return getPixelValue(element,'borderBottomWidth');},'border-left':function(element){return getPixelValue(element,'borderLeftWidth');},'border-right':function(element){return getPixelValue(element,'borderRightWidth');},'margin-top':function(element){return getPixelValue(element,'marginTop');},'margin-bottom':function(element){return getPixelValue(element,'marginBottom');},'margin-left':function(element){return getPixelValue(element,'marginLeft');},'margin-right':function(element){return getPixelValue(element,'marginRight');}}});if('getBoundingClientRect'in document.documentElement){Object.extend(Element.Layout.COMPUTATIONS,{'right':function(element){var parent=hasLayout(element.getOffsetParent());var rect=element.getBoundingClientRect(),pRect=parent.getBoundingClientRect();return(pRect.right-rect.right).round();},'bottom':function(element){var parent=hasLayout(element.getOffsetParent());var rect=element.getBoundingClientRect(),pRect=parent.getBoundingClientRect();return(pRect.bottom-rect.bottom).round();}});} Element.Offset=Class.create({initialize:function(left,top){this.left=left.round();this.top=top.round();this[0]=this.left;this[1]=this.top;},relativeTo:function(offset){return new Element.Offset(this.left-offset.left,this.top-offset.top);},inspect:function(){return"#".interpolate(this);},toString:function(){return"[#{left}, #{top}]".interpolate(this);},toArray:function(){return[this.left,this.top];}});function getLayout(element,preCompute){return new Element.Layout(element,preCompute);} function measure(element,property){return $(element).getLayout().get(property);} function getDimensions(element){element=$(element);var display=Element.getStyle(element,'display');if(display&&display!=='none'){return{width:element.offsetWidth,height:element.offsetHeight};} var style=element.style;var originalStyles={visibility:style.visibility,position:style.position,display:style.display};var newStyles={visibility:'hidden',display:'block'};if(originalStyles.position!=='fixed') newStyles.position='absolute';Element.setStyle(element,newStyles);var dimensions={width:element.offsetWidth,height:element.offsetHeight};Element.setStyle(element,originalStyles);return dimensions;} function getOffsetParent(element){element=$(element);if(isDocument(element)||isDetached(element)||isBody(element)||isHtml(element)) return $(document.body);var isInline=(Element.getStyle(element,'display')==='inline');if(!isInline&&element.offsetParent)return $(element.offsetParent);while((element=element.parentNode)&&element!==document.body){if(Element.getStyle(element,'position')!=='static'){return isHtml(element)?$(document.body):$(element);}} return $(document.body);} function cumulativeOffset(element){element=$(element);var valueT=0,valueL=0;if(element.parentNode){do{valueT+=element.offsetTop||0;valueL+=element.offsetLeft||0;element=element.offsetParent;}while(element);} return new Element.Offset(valueL,valueT);} function positionedOffset(element){element=$(element);var layout=element.getLayout();var valueT=0,valueL=0;do{valueT+=element.offsetTop||0;valueL+=element.offsetLeft||0;element=element.offsetParent;if(element){if(isBody(element))break;var p=Element.getStyle(element,'position');if(p!=='static')break;}}while(element);valueL-=layout.get('margin-top');valueT-=layout.get('margin-left');return new Element.Offset(valueL,valueT);} function cumulativeScrollOffset(element){var valueT=0,valueL=0;do{valueT+=element.scrollTop||0;valueL+=element.scrollLeft||0;element=element.parentNode;}while(element);return new Element.Offset(valueL,valueT);} function viewportOffset(forElement){element=$(element);var valueT=0,valueL=0,docBody=document.body;var element=forElement;do{valueT+=element.offsetTop||0;valueL+=element.offsetLeft||0;if(element.offsetParent==docBody&&Element.getStyle(element,'position')=='absolute')break;}while(element=element.offsetParent);element=forElement;do{if(element!=docBody){valueT-=element.scrollTop||0;valueL-=element.scrollLeft||0;}}while(element=element.parentNode);return new Element.Offset(valueL,valueT);} function absolutize(element){element=$(element);if(Element.getStyle(element,'position')==='absolute'){return element;} var offsetParent=getOffsetParent(element);var eOffset=element.viewportOffset(),pOffset=offsetParent.viewportOffset();var offset=eOffset.relativeTo(pOffset);var layout=element.getLayout();element.store('prototype_absolutize_original_styles',{left:element.getStyle('left'),top:element.getStyle('top'),width:element.getStyle('width'),height:element.getStyle('height')});element.setStyle({position:'absolute',top:offset.top+'px',left:offset.left+'px',width:layout.get('width')+'px',height:layout.get('height')+'px'});return element;} function relativize(element){element=$(element);if(Element.getStyle(element,'position')==='relative'){return element;} var originalStyles=element.retrieve('prototype_absolutize_original_styles');if(originalStyles)element.setStyle(originalStyles);return element;} if(Prototype.Browser.IE){getOffsetParent=getOffsetParent.wrap(function(proceed,element){element=$(element);if(isDocument(element)||isDetached(element)||isBody(element)||isHtml(element)) return $(document.body);var position=element.getStyle('position');if(position!=='static')return proceed(element);element.setStyle({position:'relative'});var value=proceed(element);element.setStyle({position:position});return value;});positionedOffset=positionedOffset.wrap(function(proceed,element){element=$(element);if(!element.parentNode)return new Element.Offset(0,0);var position=element.getStyle('position');if(position!=='static')return proceed(element);var offsetParent=element.getOffsetParent();if(offsetParent&&offsetParent.getStyle('position')==='fixed') hasLayout(offsetParent);element.setStyle({position:'relative'});var value=proceed(element);element.setStyle({position:position});return value;});}else if(Prototype.Browser.Webkit){cumulativeOffset=function(element){element=$(element);var valueT=0,valueL=0;do{valueT+=element.offsetTop||0;valueL+=element.offsetLeft||0;if(element.offsetParent==document.body) if(Element.getStyle(element,'position')=='absolute')break;element=element.offsetParent;}while(element);return new Element.Offset(valueL,valueT);};} Element.addMethods({getLayout:getLayout,measure:measure,getDimensions:getDimensions,getOffsetParent:getOffsetParent,cumulativeOffset:cumulativeOffset,positionedOffset:positionedOffset,cumulativeScrollOffset:cumulativeScrollOffset,viewportOffset:viewportOffset,absolutize:absolutize,relativize:relativize});function isBody(element){return element.nodeName.toUpperCase()==='BODY';} function isHtml(element){return element.nodeName.toUpperCase()==='HTML';} function isDocument(element){return element.nodeType===Node.DOCUMENT_NODE;} function isDetached(element){return element!==document.body&&!Element.descendantOf(element,document.body);} if('getBoundingClientRect'in document.documentElement){Element.addMethods({viewportOffset:function(element){element=$(element);if(isDetached(element))return new Element.Offset(0,0);var rect=element.getBoundingClientRect(),docEl=document.documentElement;return new Element.Offset(rect.left-docEl.clientLeft,rect.top-docEl.clientTop);}});}})();window.$$=function(){var expression=$A(arguments).join(', ');return Prototype.Selector.select(expression,document);};Prototype.Selector=(function(){function select(){throw new Error('Method "Prototype.Selector.select" must be defined.');} function match(){throw new Error('Method "Prototype.Selector.match" must be defined.');} function find(elements,expression,index){index=index||0;var match=Prototype.Selector.match,length=elements.length,matchIndex=0,i;for(i=0;i+~,(\[\\]+)+|[>+~])(\s*,\s*)?((?:.|\r|\n)*)/g,done=0,toString=Object.prototype.toString,hasDuplicate=false,baseHasDuplicate=true;[0,0].sort(function(){baseHasDuplicate=false;return 0;});var Sizzle=function(selector,context,results,seed){results=results||[];var origContext=context=context||document;if(context.nodeType!==1&&context.nodeType!==9){return[];} if(!selector||typeof selector!=="string"){return results;} var parts=[],m,set,checkSet,check,mode,extra,prune=true,contextXML=isXML(context),soFar=selector;while((chunker.exec(""),m=chunker.exec(soFar))!==null){soFar=m[3];parts.push(m[1]);if(m[2]){extra=m[3];break;}} if(parts.length>1&&origPOS.exec(selector)){if(parts.length===2&&Expr.relative[parts[0]]){set=posProcess(parts[0]+parts[1],context);}else{set=Expr.relative[parts[0]]?[context]:Sizzle(parts.shift(),context);while(parts.length){selector=parts.shift();if(Expr.relative[selector]) selector+=parts.shift();set=posProcess(selector,set);}}}else{if(!seed&&parts.length>1&&context.nodeType===9&&!contextXML&&Expr.match.ID.test(parts[0])&&!Expr.match.ID.test(parts[parts.length-1])){var ret=Sizzle.find(parts.shift(),context,contextXML);context=ret.expr?Sizzle.filter(ret.expr,ret.set)[0]:ret.set[0];} if(context){var ret=seed?{expr:parts.pop(),set:makeArray(seed)}:Sizzle.find(parts.pop(),parts.length===1&&(parts[0]==="~"||parts[0]==="+")&&context.parentNode?context.parentNode:context,contextXML);set=ret.expr?Sizzle.filter(ret.expr,ret.set):ret.set;if(parts.length>0){checkSet=makeArray(set);}else{prune=false;} while(parts.length){var cur=parts.pop(),pop=cur;if(!Expr.relative[cur]){cur="";}else{pop=parts.pop();} if(pop==null){pop=context;} Expr.relative[cur](checkSet,pop,contextXML);}}else{checkSet=parts=[];}} if(!checkSet){checkSet=set;} if(!checkSet){throw"Syntax error, unrecognized expression: "+(cur||selector);} if(toString.call(checkSet)==="[object Array]"){if(!prune){results.push.apply(results,checkSet);}else if(context&&context.nodeType===1){for(var i=0;checkSet[i]!=null;i++){if(checkSet[i]&&(checkSet[i]===true||checkSet[i].nodeType===1&&contains(context,checkSet[i]))){results.push(set[i]);}}}else{for(var i=0;checkSet[i]!=null;i++){if(checkSet[i]&&checkSet[i].nodeType===1){results.push(set[i]);}}}}else{makeArray(checkSet,results);} if(extra){Sizzle(extra,origContext,results,seed);Sizzle.uniqueSort(results);} return results;};Sizzle.uniqueSort=function(results){if(sortOrder){hasDuplicate=baseHasDuplicate;results.sort(sortOrder);if(hasDuplicate){for(var i=1;i":function(checkSet,part,isXML){var isPartStr=typeof part==="string";if(isPartStr&&!/\W/.test(part)){part=isXML?part:part.toUpperCase();for(var i=0,l=checkSet.length;i=0)){if(!inplace) result.push(elem);}else if(inplace){curLoop[i]=false;}}} return false;},ID:function(match){return match[1].replace(/\\/g,"");},TAG:function(match,curLoop){for(var i=0;curLoop[i]===false;i++){} return curLoop[i]&&isXML(curLoop[i])?match[1]:match[1].toUpperCase();},CHILD:function(match){if(match[1]=="nth"){var test=/(-?)(\d*)n((?:\+|-)?\d*)/.exec(match[2]=="even"&&"2n"||match[2]=="odd"&&"2n+1"||!/\D/.test(match[2])&&"0n+"+match[2]||match[2]);match[2]=(test[1]+(test[2]||1))-0;match[3]=test[3]-0;} match[0]=done++;return match;},ATTR:function(match,curLoop,inplace,result,not,isXML){var name=match[1].replace(/\\/g,"");if(!isXML&&Expr.attrMap[name]){match[1]=Expr.attrMap[name];} if(match[2]==="~="){match[4]=" "+match[4]+" ";} return match;},PSEUDO:function(match,curLoop,inplace,result,not){if(match[1]==="not"){if((chunker.exec(match[3])||"").length>1||/^\w/.test(match[3])){match[3]=Sizzle(match[3],null,null,curLoop);}else{var ret=Sizzle.filter(match[3],curLoop,inplace,true^not);if(!inplace){result.push.apply(result,ret);} return false;}}else if(Expr.match.POS.test(match[0])||Expr.match.CHILD.test(match[0])){return true;} return match;},POS:function(match){match.unshift(true);return match;}},filters:{enabled:function(elem){return elem.disabled===false&&elem.type!=="hidden";},disabled:function(elem){return elem.disabled===true;},checked:function(elem){return elem.checked===true;},selected:function(elem){elem.parentNode.selectedIndex;return elem.selected===true;},parent:function(elem){return!!elem.firstChild;},empty:function(elem){return!elem.firstChild;},has:function(elem,i,match){return!!Sizzle(match[3],elem).length;},header:function(elem){return /h\d/i.test(elem.nodeName);},text:function(elem){return"text"===elem.type;},radio:function(elem){return"radio"===elem.type;},checkbox:function(elem){return"checkbox"===elem.type;},file:function(elem){return"file"===elem.type;},password:function(elem){return"password"===elem.type;},submit:function(elem){return"submit"===elem.type;},image:function(elem){return"image"===elem.type;},reset:function(elem){return"reset"===elem.type;},button:function(elem){return"button"===elem.type||elem.nodeName.toUpperCase()==="BUTTON";},input:function(elem){return /input|select|textarea|button/i.test(elem.nodeName);}},setFilters:{first:function(elem,i){return i===0;},last:function(elem,i,match,array){return i===array.length-1;},even:function(elem,i){return i%2===0;},odd:function(elem,i){return i%2===1;},lt:function(elem,i,match){return imatch[3]-0;},nth:function(elem,i,match){return match[3]-0==i;},eq:function(elem,i,match){return match[3]-0==i;}},filter:{PSEUDO:function(elem,match,i,array){var name=match[1],filter=Expr.filters[name];if(filter){return filter(elem,i,match,array);}else if(name==="contains"){return(elem.textContent||elem.innerText||"").indexOf(match[3])>=0;}else if(name==="not"){var not=match[3];for(var i=0,l=not.length;i=0);}}},ID:function(elem,match){return elem.nodeType===1&&elem.getAttribute("id")===match;},TAG:function(elem,match){return(match==="*"&&elem.nodeType===1)||elem.nodeName===match;},CLASS:function(elem,match){return(" "+(elem.className||elem.getAttribute("class"))+" ").indexOf(match)>-1;},ATTR:function(elem,match){var name=match[1],result=Expr.attrHandle[name]?Expr.attrHandle[name](elem):elem[name]!=null?elem[name]:elem.getAttribute(name),value=result+"",type=match[2],check=match[4];return result==null?type==="!=":type==="="?value===check:type==="*="?value.indexOf(check)>=0:type==="~="?(" "+value+" ").indexOf(check)>=0:!check?value&&result!==false:type==="!="?value!=check:type==="^="?value.indexOf(check)===0:type==="$="?value.substr(value.length-check.length)===check:type==="|="?value===check||value.substr(0,check.length+1)===check+"-":false;},POS:function(elem,match,i,array){var name=match[2],filter=Expr.setFilters[name];if(filter){return filter(elem,i,match,array);}}}};var origPOS=Expr.match.POS;for(var type in Expr.match){Expr.match[type]=new RegExp(Expr.match[type].source+/(?![^\[]*\])(?![^\(]*\))/.source);Expr.leftMatch[type]=new RegExp(/(^(?:.|\r|\n)*?)/.source+Expr.match[type].source);} var makeArray=function(array,results){array=Array.prototype.slice.call(array,0);if(results){results.push.apply(results,array);return results;} return array;};try{Array.prototype.slice.call(document.documentElement.childNodes,0);}catch(e){makeArray=function(array,results){var ret=results||[];if(toString.call(array)==="[object Array]"){Array.prototype.push.apply(ret,array);}else{if(typeof array.length==="number"){for(var i=0,l=array.length;i";var root=document.documentElement;root.insertBefore(form,root.firstChild);if(!!document.getElementById(id)){Expr.find.ID=function(match,context,isXML){if(typeof context.getElementById!=="undefined"&&!isXML){var m=context.getElementById(match[1]);return m?m.id===match[1]||typeof m.getAttributeNode!=="undefined"&&m.getAttributeNode("id").nodeValue===match[1]?[m]:undefined:[];}};Expr.filter.ID=function(elem,match){var node=typeof elem.getAttributeNode!=="undefined"&&elem.getAttributeNode("id");return elem.nodeType===1&&node&&node.nodeValue===match;};} root.removeChild(form);root=form=null;})();(function(){var div=document.createElement("div");div.appendChild(document.createComment(""));if(div.getElementsByTagName("*").length>0){Expr.find.TAG=function(match,context){var results=context.getElementsByTagName(match[1]);if(match[1]==="*"){var tmp=[];for(var i=0;results[i];i++){if(results[i].nodeType===1){tmp.push(results[i]);}} results=tmp;} return results;};} div.innerHTML="";if(div.firstChild&&typeof div.firstChild.getAttribute!=="undefined"&&div.firstChild.getAttribute("href")!=="#"){Expr.attrHandle.href=function(elem){return elem.getAttribute("href",2);};} div=null;})();if(document.querySelectorAll)(function(){var oldSizzle=Sizzle,div=document.createElement("div");div.innerHTML="

";if(div.querySelectorAll&&div.querySelectorAll(".TEST").length===0){return;} Sizzle=function(query,context,extra,seed){context=context||document;if(!seed&&context.nodeType===9&&!isXML(context)){try{return makeArray(context.querySelectorAll(query),extra);}catch(e){}} return oldSizzle(query,context,extra,seed);};for(var prop in oldSizzle){Sizzle[prop]=oldSizzle[prop];} div=null;})();if(document.getElementsByClassName&&document.documentElement.getElementsByClassName)(function(){var div=document.createElement("div");div.innerHTML="
";if(div.getElementsByClassName("e").length===0) return;div.lastChild.className="e";if(div.getElementsByClassName("e").length===1) return;Expr.order.splice(1,0,"CLASS");Expr.find.CLASS=function(match,context,isXML){if(typeof context.getElementsByClassName!=="undefined"&&!isXML){return context.getElementsByClassName(match[1]);}};div=null;})();function dirNodeCheck(dir,cur,doneName,checkSet,nodeCheck,isXML){var sibDir=dir=="previousSibling"&&!isXML;for(var i=0,l=checkSet.length;i0){match=elem;break;}} elem=elem[dir];} checkSet[i]=match;}}} var contains=document.compareDocumentPosition?function(a,b){return a.compareDocumentPosition(b)&16;}:function(a,b){return a!==b&&(a.contains?a.contains(b):true);};var isXML=function(elem){return elem.nodeType===9&&elem.documentElement.nodeName!=="HTML"||!!elem.ownerDocument&&elem.ownerDocument.documentElement.nodeName!=="HTML";};var posProcess=function(selector,context){var tmpSet=[],later="",match,root=context.nodeType?[context]:context;while((match=Expr.match.PSEUDO.exec(selector))){later+=match[0];selector=selector.replace(Expr.match.PSEUDO,"");} selector=Expr.relative[selector]?selector+"*":selector;for(var i=0,l=root.length;i=0;}).sortBy(function(element){return element.tabIndex}).first();return firstByIndex?firstByIndex:elements.find(function(element){return /^(?:input|select|textarea)$/i.test(element.tagName);});},focusFirstElement:function(form){form=$(form);var element=form.findFirstElement();if(element)element.activate();return form;},request:function(form,options){form=$(form),options=Object.clone(options||{});var params=options.parameters,action=form.readAttribute('action')||'';if(action.blank())action=window.location.href;options.parameters=form.serialize(true);if(params){if(Object.isString(params))params=params.toQueryParams();Object.extend(options.parameters,params);} if(form.hasAttribute('method')&&!options.method) options.method=form.method;return new Ajax.Request(action,options);}};Form.Element={focus:function(element){$(element).focus();return element;},select:function(element){$(element).select();return element;}};Form.Element.Methods={serialize:function(element){element=$(element);if(!element.disabled&&element.name){var value=element.getValue();if(value!=undefined){var pair={};pair[element.name]=value;return Object.toQueryString(pair);}} return'';},getValue:function(element){element=$(element);var method=element.tagName.toLowerCase();return Form.Element.Serializers[method](element);},setValue:function(element,value){element=$(element);var method=element.tagName.toLowerCase();Form.Element.Serializers[method](element,value);return element;},clear:function(element){$(element).value='';return element;},present:function(element){return $(element).value!='';},activate:function(element){element=$(element);try{element.focus();if(element.select&&(element.tagName.toLowerCase()!='input'||!(/^(?:button|reset|submit)$/i.test(element.type)))) element.select();}catch(e){} return element;},disable:function(element){element=$(element);element.disabled=true;return element;},enable:function(element){element=$(element);element.disabled=false;return element;}};var Field=Form.Element;var $F=Form.Element.Methods.getValue;Form.Element.Serializers=(function(){function input(element,value){switch(element.type.toLowerCase()){case'checkbox':case'radio':return inputSelector(element,value);default:return valueSelector(element,value);}} function inputSelector(element,value){if(Object.isUndefined(value)) return element.checked?element.value:null;else element.checked=!!value;} function valueSelector(element,value){if(Object.isUndefined(value))return element.value;else element.value=value;} function select(element,value){if(Object.isUndefined(value)) return(element.type==='select-one'?selectOne:selectMany)(element);var opt,currentValue,single=!Object.isArray(value);for(var i=0,length=element.length;i=0?optionValue(element.options[index]):null;} function selectMany(element){var values,length=element.length;if(!length)return null;for(var i=0,values=[];i=this.offset[1]&&y=this.offset[0]&&x=this.offset[1]&&this.ycomp=this.offset[0]&&this.xcomp0;})._each(iterator);},set:function(className){this.element.className=className;},add:function(classNameToAdd){if(this.include(classNameToAdd))return;this.set($A(this).concat(classNameToAdd).join(' '));},remove:function(classNameToRemove){if(!this.include(classNameToRemove))return;this.set($A(this).without(classNameToRemove).join(' '));},toString:function(){return $A(this).join(' ');}};Object.extend(Element.ClassNames.prototype,Enumerable);(function(){window.Selector=Class.create({initialize:function(expression){this.expression=expression.strip();},findElements:function(rootElement){return Prototype.Selector.select(this.expression,rootElement);},match:function(element){return Prototype.Selector.match(element,this.expression);},toString:function(){return this.expression;},inspect:function(){return"#";}});Object.extend(Selector,{matchElements:function(elements,expression){var match=Prototype.Selector.match,results=[];for(var i=0,length=elements.length;i<\/script>');},REQUIRED_PROTOTYPE:'1.6.0.3',load:function(){function convertVersionString(versionString){var v=versionString.replace(/_.*|\./g,'');v=parseInt(v+'0'.times(4-v.length));return versionString.indexOf('_')>-1?v-1:v;} if((typeof Prototype=='undefined')||(typeof Element=='undefined')||(typeof Element.Methods=='undefined')||(convertVersionString(Prototype.Version)= "+ Scriptaculous.REQUIRED_PROTOTYPE);var js=/scriptaculous\.js(\?.*)?$/;$$('head script[src]').findAll(function(s){return s.src.match(js);}).each(function(s){var path=s.src.replace(js,''),includes=s.src.match(/\?.*load=([a-z,]*)/);(includes?includes[1]:'builder,effects,dragdrop,controls,slider,sound').split(',').each(function(include){Scriptaculous.require(path+include+'.js')});});}};Scriptaculous.load();String.prototype.parseColor=function(){var color='#';if(this.slice(0,4)=='rgb('){var cols=this.slice(4,this.length-1).split(',');var i=0;do{color+=parseInt(cols[i]).toColorPart()}while(++i<3);}else{if(this.slice(0,1)=='#'){if(this.length==4)for(var i=1;i<4;i++)color+=(this.charAt(i)+this.charAt(i)).toLowerCase();if(this.length==7)color=this.toLowerCase();}} return(color.length==7?color:(arguments[0]||this));};Element.collectTextNodes=function(element){return $A($(element).childNodes).collect(function(node){return(node.nodeType==3?node.nodeValue:(node.hasChildNodes()?Element.collectTextNodes(node):''));}).flatten().join('');};Element.collectTextNodesIgnoreClass=function(element,className){return $A($(element).childNodes).collect(function(node){return(node.nodeType==3?node.nodeValue:((node.hasChildNodes()&&!Element.hasClassName(node,className))?Element.collectTextNodesIgnoreClass(node,className):''));}).flatten().join('');};Element.setContentZoom=function(element,percent){element=$(element);element.setStyle({fontSize:(percent/100)+'em'});if(Prototype.Browser.WebKit)window.scrollBy(0,0);return element;};Element.getInlineOpacity=function(element){return $(element).style.opacity||'';};Element.forceRerendering=function(element){try{element=$(element);var n=document.createTextNode(' ');element.appendChild(n);element.removeChild(n);}catch(e){}};var Effect={_elementDoesNotExistError:{name:'ElementDoesNotExistError',message:'The specified DOM element does not exist, but is required for this effect to operate'},Transitions:{linear:Prototype.K,sinoidal:function(pos){return(-Math.cos(pos*Math.PI)/2)+.5;},reverse:function(pos){return 1-pos;},flicker:function(pos){var pos=((-Math.cos(pos*Math.PI)/4)+.75)+Math.random()/4;return pos>1?1:pos;},wobble:function(pos){return(-Math.cos(pos*Math.PI*(9*pos))/2)+.5;},pulse:function(pos,pulses){return(-Math.cos((pos*((pulses||5)-.5)*2)*Math.PI)/2)+.5;},spring:function(pos){return 1-(Math.cos(pos*4.5*Math.PI)*Math.exp(-pos*6));},none:function(pos){return 0;},full:function(pos){return 1;}},DefaultOptions:{duration:1.0,fps:100,sync:false,from:0.0,to:1.0,delay:0.0,queue:'parallel'},tagifyText:function(element){var tagifyStyle='position:relative';if(Prototype.Browser.IE)tagifyStyle+=';zoom:1';element=$(element);$A(element.childNodes).each(function(child){if(child.nodeType==3){child.nodeValue.toArray().each(function(character){element.insertBefore(new Element('span',{style:tagifyStyle}).update(character==' '?String.fromCharCode(160):character),child);});Element.remove(child);}});},multiple:function(element,effect){var elements;if(((typeof element=='object')||Object.isFunction(element))&&(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);}};Effect.DefaultOptions.transition=Effect.Transitions.sinoidal;Effect.ScopedQueue=Class.create(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=Object.isString(effect.options.queue)?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'with-last':timestamp=this.effects.pluck('startOn').max()||timestamp;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.totalTime,frame=(pos*this.totalFrames).round();if(frame>this.currentFrame){this.render(pos);this.currentFrame=frame;}}},cancel:function(){if(!this.options.sync) Effect.Queues.get(Object.isString(this.options.queue)?'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(){var data=$H();for(property in this) if(!Object.isFunction(this[property]))data.set(property,this[property]);return'#';}});Effect.Parallel=Class.create(Effect.Base,{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.Tween=Class.create(Effect.Base,{initialize:function(object,from,to){object=Object.isString(object)?$(object):object;var args=$A(arguments),method=args.last(),options=args.length==5?args[3]:null;this.method=Object.isFunction(method)?method.bind(object):Object.isFunction(object[method])?object[method].bind(object):function(value){object[method]=value};this.start(Object.extend({from:from,to:to},options||{}));},update:function(position){this.method(position);}});Effect.Event=Class.create(Effect.Base,{initialize:function(){this.start(Object.extend({duration:0},arguments[0]||{}));},update:Prototype.emptyFunction});Effect.Opacity=Class.create(Effect.Base,{initialize:function(element){this.element=$(element);if(!this.element)throw(Effect._elementDoesNotExistError);if(Prototype.Browser.IE&&(!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(Effect.Base,{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:(this.options.x*position+this.originalLeft).round()+'px',top:(this.options.y*position+this.originalTop).round()+'px'});}});Effect.MoveBy=function(element,toTop,toLeft){return new Effect.Move(element,Object.extend({x:toLeft,y:toTop},arguments[3]||{}));};Effect.Scale=Class.create(Effect.Base,{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=width.round()+'px';if(this.options.scaleY)d.height=height.round()+'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(Effect.Base,{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={};if(!this.options.keepBackgroundImage){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+((this._base[i]+(this._delta[i]*position)).round().toColorPart());}.bind(this))});},finish:function(){this.element.setStyle(Object.extend(this.oldStyle,{backgroundColor:this.options.restorecolor}));}});Effect.ScrollTo=function(element){var options=arguments[1]||{},scrollOffsets=document.viewport.getScrollOffsets(),elementOffsets=$(element).cumulativeOffset();if(options.offset)elementOffsets[1]+=options.offset;return new Effect.Tween(null,scrollOffsets.top,elementOffsets[1],options,function(p){scrollTo(scrollOffsets.left,p.round());});};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().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).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().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().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().setStyle({height:'0px'}).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().makeClipping();},afterFinishInternal:function(effect){effect.element.hide().undoClipping().undoPositioned().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().undoPositioned().setStyle(oldStyle);}},arguments[1]||{}));};Effect.Shake=function(element){element=$(element);var options=Object.extend({distance:20,duration:0.5},arguments[1]||{});var distance=parseFloat(options.distance);var split=parseFloat(options.duration)/10.0;var oldStyle={top:element.getStyle('top'),left:element.getStyle('left')};return new Effect.Move(element,{x:distance,y:0,duration:split,afterFinishInternal:function(effect){new Effect.Move(effect.element,{x:-distance*2,y:0,duration:split*2,afterFinishInternal:function(effect){new Effect.Move(effect.element,{x:distance*2,y:0,duration:split*2,afterFinishInternal:function(effect){new Effect.Move(effect.element,{x:-distance*2,y:0,duration:split*2,afterFinishInternal:function(effect){new Effect.Move(effect.element,{x:distance*2,y:0,duration:split*2,afterFinishInternal:function(effect){new Effect.Move(effect.element,{x:-distance,y:0,duration:split,afterFinishInternal:function(effect){effect.element.undoPositioned().setStyle(oldStyle);}});}});}});}});}});}});};Effect.SlideDown=function(element){element=$(element).cleanWhitespace();var oldInnerBottom=element.down().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.down().makePositioned();if(window.opera)effect.element.setStyle({top:''});effect.element.makeClipping().setStyle({height:'0px'}).show();},afterUpdateInternal:function(effect){effect.element.down().setStyle({bottom:(effect.dims[0]-effect.element.clientHeight)+'px'});},afterFinishInternal:function(effect){effect.element.undoClipping().undoPositioned();effect.element.down().undoPositioned().setStyle({bottom:oldInnerBottom});}},arguments[1]||{}));};Effect.SlideUp=function(element){element=$(element).cleanWhitespace();var oldInnerBottom=element.down().getStyle('bottom');var elementDimensions=element.getDimensions();return new Effect.Scale(element,window.opera?0:1,Object.extend({scaleContent:false,scaleX:false,scaleMode:'box',scaleFrom:100,scaleMode:{originalHeight:elementDimensions.height,originalWidth:elementDimensions.width},restoreAfterFinish:true,afterSetup:function(effect){effect.element.makePositioned();effect.element.down().makePositioned();if(window.opera)effect.element.setStyle({top:''});effect.element.makeClipping().show();},afterUpdateInternal:function(effect){effect.element.down().setStyle({bottom:(effect.dims[0]-effect.element.clientHeight)+'px'});},afterFinishInternal:function(effect){effect.element.hide().undoClipping().undoPositioned();effect.element.down().undoPositioned().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();},afterFinishInternal:function(effect){effect.element.hide().undoClipping();}});};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().makeClipping().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'}).show();},afterFinishInternal:function(effect){effect.effects[0].element.undoClipping().undoPositioned().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().makeClipping();},afterFinishInternal:function(effect){effect.effects[0].element.hide().undoClipping().undoPositioned().setStyle(oldStyle);}},options));};Effect.Pulsate=function(element){element=$(element);var options=arguments[1]||{},oldOpacity=element.getInlineOpacity(),transition=options.transition||Effect.Transitions.linear,reverser=function(pos){return 1-transition((-Math.cos((pos*(options.pulses||5)*2)*Math.PI)/2)+.5);};return new Effect.Opacity(element,Object.extend(Object.extend({duration:2.0,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();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().undoClipping().setStyle(oldStyle);}});}},arguments[1]||{}));};Effect.Morph=Class.create(Effect.Base,{initialize:function(element){this.element=$(element);if(!this.element)throw(Effect._elementDoesNotExistError);var options=Object.extend({style:{}},arguments[1]||{});if(!Object.isString(options.style))this.style=$H(options.style);else{if(options.style.include(':')) this.style=options.style.parseStyle();else{this.element.addClassName(options.style);this.style=$H(this.element.getStyles());this.element.removeClassName(options.style);var css=this.element.getStyles();this.style=this.style.reject(function(style){return style.value==css[style.key];});options.afterFinishInternal=function(effect){effect.element.addClassName(effect.options.style);effect.transforms.each(function(transform){effect.element.style[transform.style]='';});};}} this.start(options);},setup:function(){function parseColor(color){if(!color||['rgba(0, 0, 0, 0)','transparent'].include(color))color='#ffffff';color=color.parseColor();return $R(0,2).map(function(i){return parseInt(color.slice(i*2+1,i*2+3),16);});} this.transforms=this.style.map(function(pair){var property=pair[0],value=pair[1],unit=null;if(value.parseColor('#zzzzzz')!='#zzzzzz'){value=value.parseColor();unit='color';}else if(property=='opacity'){value=parseFloat(value);if(Prototype.Browser.IE&&(!this.element.currentStyle.hasLayout)) this.element.setStyle({zoom:1});}else if(Element.CSS_LENGTH.test(value)){var components=value.match(/^([\+\-]?[0-9\.]+)(.*)$/);value=parseFloat(components[1]);unit=(components.length==3)?components[2]:null;} var originalValue=this.element.getStyle(property);return{style:property.camelize(),originalValue:unit=='color'?parseColor(originalValue):parseFloat(originalValue||0),targetValue:unit=='color'?parseColor(value):value,unit:unit};}.bind(this)).reject(function(transform){return((transform.originalValue==transform.targetValue)||(transform.unit!='color'&&(isNaN(transform.originalValue)||isNaN(transform.targetValue))));});},update:function(position){var style={},transform,i=this.transforms.length;while(i--) style[(transform=this.transforms[i]).style]=transform.unit=='color'?'#'+ (Math.round(transform.originalValue[0]+ (transform.targetValue[0]-transform.originalValue[0])*position)).toColorPart()+ (Math.round(transform.originalValue[1]+ (transform.targetValue[1]-transform.originalValue[1])*position)).toColorPart()+ (Math.round(transform.originalValue[2]+ (transform.targetValue[2]-transform.originalValue[2])*position)).toColorPart():(transform.originalValue+ (transform.targetValue-transform.originalValue)*position).toFixed(3)+ (transform.unit===null?'':transform.unit);this.element.setStyle(style,true);}});Effect.Transform=Class.create({initialize:function(tracks){this.tracks=[];this.options=arguments[1]||{};this.addTracks(tracks);},addTracks:function(tracks){tracks.each(function(track){track=$H(track);var data=track.values().first();this.tracks.push($H({ids:track.keys().first(),effect:Effect.Morph,options:{style:data}}));}.bind(this));return this;},play:function(){return new Effect.Parallel(this.tracks.map(function(track){var ids=track.get('ids'),effect=track.get('effect'),options=track.get('options');var elements=[$(ids)||$$(ids)].flatten();return elements.map(function(e){return new effect(e,Object.extend({sync:true},options))});}).flatten(),this.options);}});Element.CSS_PROPERTIES=$w('backgroundColor backgroundPosition borderBottomColor borderBottomStyle '+'borderBottomWidth borderLeftColor borderLeftStyle borderLeftWidth '+'borderRightColor borderRightStyle borderRightWidth borderSpacing '+'borderTopColor borderTopStyle borderTopWidth bottom clip color '+'fontSize fontWeight height left letterSpacing lineHeight '+'marginBottom marginLeft marginRight marginTop markerOffset maxHeight '+'maxWidth minHeight minWidth opacity outlineColor outlineOffset '+'outlineWidth paddingBottom paddingLeft paddingRight paddingTop '+'right textIndent top width wordSpacing zIndex');Element.CSS_LENGTH=/^(([\+\-]?[0-9\.]+)(em|ex|px|in|cm|mm|pt|pc|\%))|0$/;String.__parseStyleElement=document.createElement('div');String.prototype.parseStyle=function(){var style,styleRules=$H();if(Prototype.Browser.WebKit) style=new Element('div',{style:this}).style;else{String.__parseStyleElement.innerHTML='
';style=String.__parseStyleElement.childNodes[0].style;} Element.CSS_PROPERTIES.each(function(property){if(style[property])styleRules.set(property,style[property]);});if(Prototype.Browser.IE&&this.include('opacity')) styleRules.set('opacity',this.match(/opacity:\s*((?:0|1)?(?:\.\d*)?)/)[1]);return styleRules;};if(document.defaultView&&document.defaultView.getComputedStyle){Element.getStyles=function(element){var css=document.defaultView.getComputedStyle($(element),null);return Element.CSS_PROPERTIES.inject({},function(styles,property){styles[property]=css[property];return styles;});};}else{Element.getStyles=function(element){element=$(element);var css=element.currentStyle,styles;styles=Element.CSS_PROPERTIES.inject({},function(results,property){results[property]=css[property];return results;});if(!styles.opacity)styles.opacity=element.getOpacity();return styles;};} Effect.Methods={morph:function(element,style){element=$(element);new Effect.Morph(element,Object.extend({style:style},arguments[2]||{}));return element;},visualEffect:function(element,effect,options){element=$(element);var s=effect.dasherize().camelize(),klass=s.charAt(0).toUpperCase()+s.substring(1);new Effect[klass](element,options);return element;},highlight:function(element,options){element=$(element);new Effect.Highlight(element,options);return element;}};$w('fade appear grow shrink fold blindUp blindDown slideUp slideDown '+'pulsate shake puff squish switchOff dropOut').each(function(effect){Effect.Methods[effect]=function(element,options){element=$(element);Effect[effect.charAt(0).toUpperCase()+effect.substring(1)](element,options);return element;};});$w('getInlineOpacity forceRerendering setContentZoom collectTextNodes collectTextNodesIgnoreClass getStyles').each(function(f){Effect.Methods[f]=Element[f];});Element.addMethods(Effect.Methods);if(Object.isUndefined(Effect)) throw("dragdrop.js requires including script.aculo.us' effects.js library");var Droppables={drops:[],remove:function(element){this.drops=this.drops.reject(function(d){return d.element==$(element)});},add:function(element){element=$(element);var options=Object.extend({greedy:true,hoverclass:null,tree:false},arguments[1]||{});if(options.containment){options._containers=[];var containment=options.containment;if(Object.isArray(containment)){containment.each(function(c){options._containers.push($(c))});}else{options._containers.push($(containment));}} if(options.accept)options.accept=[options.accept].flatten();Element.makePositioned(element);options.element=element;this.drops.push(options);},findDeepestChild:function(drops){deepest=drops[0];for(i=1;i0) drop=Droppables.findDeepestChild(affected);if(this.last_active&&this.last_active!=drop)this.deactivate(this.last_active);if(drop){Position.within(drop.element,point[0],point[1]);if(drop.onHover) drop.onHover(element,drop.element,Position.overlap(drop.overlap,drop.element));if(drop!=this.last_active)Droppables.activate(drop);}},fire:function(event,element){if(!this.last_active)return;Position.prepare();if(this.isAffected([Event.pointerX(event),Event.pointerY(event)],element,this.last_active)) if(this.last_active.onDrop){this.last_active.onDrop(element,this.last_active.element,event);return true;}},reset:function(){if(this.last_active) this.deactivate(this.last_active);}};var Draggables={drags:[],observers:[],register:function(draggable){if(this.drags.length==0){this.eventMouseUp=this.endDrag.bindAsEventListener(this);this.eventMouseMove=this.updateDrag.bindAsEventListener(this);this.eventKeypress=this.keyPress.bindAsEventListener(this);Event.observe(document,"mouseup",this.eventMouseUp);Event.observe(document,"mousemove",this.eventMouseMove);Event.observe(document,"keypress",this.eventKeypress);} this.drags.push(draggable);},unregister:function(draggable){this.drags=this.drags.reject(function(d){return d==draggable});if(this.drags.length==0){Event.stopObserving(document,"mouseup",this.eventMouseUp);Event.stopObserving(document,"mousemove",this.eventMouseMove);Event.stopObserving(document,"keypress",this.eventKeypress);}},activate:function(draggable){if(draggable.options.delay){this._timeout=setTimeout(function(){Draggables._timeout=null;window.focus();Draggables.activeDraggable=draggable;}.bind(this),draggable.options.delay);}else{window.focus();this.activeDraggable=draggable;}},deactivate:function(){this.activeDraggable=null;},updateDrag:function(event){if(!this.activeDraggable)return;var pointer=[Event.pointerX(event),Event.pointerY(event)];if(this._lastPointer&&(this._lastPointer.inspect()==pointer.inspect()))return;this._lastPointer=pointer;this.activeDraggable.updateDrag(event,pointer);},endDrag:function(event){if(this._timeout){clearTimeout(this._timeout);this._timeout=null;} if(!this.activeDraggable)return;this._lastPointer=null;this.activeDraggable.endDrag(event);this.activeDraggable=null;},keyPress:function(event){if(this.activeDraggable) this.activeDraggable.keyPress(event);},addObserver:function(observer){this.observers.push(observer);this._cacheObserverCallbacks();},removeObserver:function(element){this.observers=this.observers.reject(function(o){return o.element==element});this._cacheObserverCallbacks();},notify:function(eventName,draggable,event){if(this[eventName+'Count']>0) this.observers.each(function(o){if(o[eventName])o[eventName](eventName,draggable,event);});if(draggable.options[eventName])draggable.options[eventName](draggable,event);},_cacheObserverCallbacks:function(){['onStart','onEnd','onDrag'].each(function(eventName){Draggables[eventName+'Count']=Draggables.observers.select(function(o){return o[eventName];}).length;});}};var Draggable=Class.create({initialize:function(element){var defaults={handle:false,reverteffect:function(element,top_offset,left_offset){var dur=Math.sqrt(Math.abs(top_offset^2)+Math.abs(left_offset^2))*0.02;new Effect.Move(element,{x:-left_offset,y:-top_offset,duration:dur,queue:{scope:'_draggable',position:'end'}});},endeffect:function(element){var toOpacity=Object.isNumber(element._opacity)?element._opacity:1.0;new Effect.Opacity(element,{duration:0.2,from:0.7,to:toOpacity,queue:{scope:'_draggable',position:'end'},afterFinish:function(){Draggable._dragging[element]=false}});},zindex:1000,revert:false,quiet:false,scroll:false,scrollSensitivity:20,scrollSpeed:15,snap:false,delay:0};if(!arguments[1]||Object.isUndefined(arguments[1].endeffect)) Object.extend(defaults,{starteffect:function(element){element._opacity=Element.getOpacity(element);Draggable._dragging[element]=true;new Effect.Opacity(element,{duration:0.2,from:element._opacity,to:0.7});}});var options=Object.extend(defaults,arguments[1]||{});this.element=$(element);if(options.handle&&Object.isString(options.handle)) this.handle=this.element.down('.'+options.handle,0);if(!this.handle)this.handle=$(options.handle);if(!this.handle)this.handle=this.element;if(options.scroll&&!options.scroll.scrollTo&&!options.scroll.outerHTML){options.scroll=$(options.scroll);this._isScrollChild=Element.childOf(this.element,options.scroll);} Element.makePositioned(this.element);this.options=options;this.dragging=false;this.eventMouseDown=this.initDrag.bindAsEventListener(this);Event.observe(this.handle,"mousedown",this.eventMouseDown);Draggables.register(this);},destroy:function(){Event.stopObserving(this.handle,"mousedown",this.eventMouseDown);Draggables.unregister(this);},currentDelta:function(){return([parseInt(Element.getStyle(this.element,'left')||'0'),parseInt(Element.getStyle(this.element,'top')||'0')]);},initDrag:function(event){if(!Object.isUndefined(Draggable._dragging[this.element])&&Draggable._dragging[this.element])return;if(Event.isLeftClick(event)){var src=Event.element(event);if((tag_name=src.tagName.toUpperCase())&&(tag_name=='INPUT'||tag_name=='SELECT'||tag_name=='OPTION'||tag_name=='BUTTON'||tag_name=='TEXTAREA'))return;var pointer=[Event.pointerX(event),Event.pointerY(event)];var pos=Position.cumulativeOffset(this.element);this.offset=[0,1].map(function(i){return(pointer[i]-pos[i])});Draggables.activate(this);Event.stop(event);}},startDrag:function(event){this.dragging=true;if(!this.delta) this.delta=this.currentDelta();if(this.options.zindex){this.originalZ=parseInt(Element.getStyle(this.element,'z-index')||0);this.element.style.zIndex=this.options.zindex;} if(this.options.ghosting){this._clone=this.element.cloneNode(true);this._originallyAbsolute=(this.element.getStyle('position')=='absolute');if(!this._originallyAbsolute) Position.absolutize(this.element);this.element.parentNode.insertBefore(this._clone,this.element);} if(this.options.scroll){if(this.options.scroll==window){var where=this._getWindowScroll(this.options.scroll);this.originalScrollLeft=where.left;this.originalScrollTop=where.top;}else{this.originalScrollLeft=this.options.scroll.scrollLeft;this.originalScrollTop=this.options.scroll.scrollTop;}} Draggables.notify('onStart',this,event);if(this.options.starteffect)this.options.starteffect(this.element);},updateDrag:function(event,pointer){if(!this.dragging)this.startDrag(event);if(!this.options.quiet){Position.prepare();Droppables.show(pointer,this.element);} Draggables.notify('onDrag',this,event);this.draw(pointer);if(this.options.change)this.options.change(this);if(this.options.scroll){this.stopScrolling();var p;if(this.options.scroll==window){with(this._getWindowScroll(this.options.scroll)){p=[left,top,left+width,top+height];}}else{p=Position.page(this.options.scroll);p[0]+=this.options.scroll.scrollLeft+Position.deltaX;p[1]+=this.options.scroll.scrollTop+Position.deltaY;p.push(p[0]+this.options.scroll.offsetWidth);p.push(p[1]+this.options.scroll.offsetHeight);} var speed=[0,0];if(pointer[0]<(p[0]+this.options.scrollSensitivity))speed[0]=pointer[0]-(p[0]+this.options.scrollSensitivity);if(pointer[1]<(p[1]+this.options.scrollSensitivity))speed[1]=pointer[1]-(p[1]+this.options.scrollSensitivity);if(pointer[0]>(p[2]-this.options.scrollSensitivity))speed[0]=pointer[0]-(p[2]-this.options.scrollSensitivity);if(pointer[1]>(p[3]-this.options.scrollSensitivity))speed[1]=pointer[1]-(p[3]-this.options.scrollSensitivity);this.startScrolling(speed);} if(Prototype.Browser.WebKit)window.scrollBy(0,0);Event.stop(event);},finishDrag:function(event,success){this.dragging=false;if(this.options.quiet){Position.prepare();var pointer=[Event.pointerX(event),Event.pointerY(event)];Droppables.show(pointer,this.element);} if(this.options.ghosting){if(!this._originallyAbsolute) Position.relativize(this.element);delete this._originallyAbsolute;Element.remove(this._clone);this._clone=null;} var dropped=false;if(success){dropped=Droppables.fire(event,this.element);if(!dropped)dropped=false;} if(dropped&&this.options.onDropped)this.options.onDropped(this.element);Draggables.notify('onEnd',this,event);var revert=this.options.revert;if(revert&&Object.isFunction(revert))revert=revert(this.element);var d=this.currentDelta();if(revert&&this.options.reverteffect){if(dropped==0||revert!='failure') this.options.reverteffect(this.element,d[1]-this.delta[1],d[0]-this.delta[0]);}else{this.delta=d;} if(this.options.zindex) this.element.style.zIndex=this.originalZ;if(this.options.endeffect) this.options.endeffect(this.element);Draggables.deactivate(this);Droppables.reset();},keyPress:function(event){if(event.keyCode!=Event.KEY_ESC)return;this.finishDrag(event,false);Event.stop(event);},endDrag:function(event){if(!this.dragging)return;this.stopScrolling();this.finishDrag(event,true);Event.stop(event);},draw:function(point){var pos=Position.cumulativeOffset(this.element);if(this.options.ghosting){var r=Position.realOffset(this.element);pos[0]+=r[0]-Position.deltaX;pos[1]+=r[1]-Position.deltaY;} var d=this.currentDelta();pos[0]-=d[0];pos[1]-=d[1];if(this.options.scroll&&(this.options.scroll!=window&&this._isScrollChild)){pos[0]-=this.options.scroll.scrollLeft-this.originalScrollLeft;pos[1]-=this.options.scroll.scrollTop-this.originalScrollTop;} var p=[0,1].map(function(i){return(point[i]-pos[i]-this.offset[i])}.bind(this));if(this.options.snap){if(Object.isFunction(this.options.snap)){p=this.options.snap(p[0],p[1],this);}else{if(Object.isArray(this.options.snap)){p=p.map(function(v,i){return(v/this.options.snap[i]).round()*this.options.snap[i]}.bind(this));}else{p=p.map(function(v){return(v/this.options.snap).round()*this.options.snap}.bind(this));}}} var style=this.element.style;if((!this.options.constraint)||(this.options.constraint=='horizontal')) style.left=p[0]+"px";if((!this.options.constraint)||(this.options.constraint=='vertical')) style.top=p[1]+"px";if(style.visibility=="hidden")style.visibility="";},stopScrolling:function(){if(this.scrollInterval){clearInterval(this.scrollInterval);this.scrollInterval=null;Draggables._lastScrollPointer=null;}},startScrolling:function(speed){if(!(speed[0]||speed[1]))return;this.scrollSpeed=[speed[0]*this.options.scrollSpeed,speed[1]*this.options.scrollSpeed];this.lastScrolled=new Date();this.scrollInterval=setInterval(this.scroll.bind(this),10);},scroll:function(){var current=new Date();var delta=current-this.lastScrolled;this.lastScrolled=current;if(this.options.scroll==window){with(this._getWindowScroll(this.options.scroll)){if(this.scrollSpeed[0]||this.scrollSpeed[1]){var d=delta/1000;this.options.scroll.scrollTo(left+d*this.scrollSpeed[0],top+d*this.scrollSpeed[1]);}}}else{this.options.scroll.scrollLeft+=this.scrollSpeed[0]*delta/1000;this.options.scroll.scrollTop+=this.scrollSpeed[1]*delta/1000;} Position.prepare();Droppables.show(Draggables._lastPointer,this.element);Draggables.notify('onDrag',this);if(this._isScrollChild){Draggables._lastScrollPointer=Draggables._lastScrollPointer||$A(Draggables._lastPointer);Draggables._lastScrollPointer[0]+=this.scrollSpeed[0]*delta/1000;Draggables._lastScrollPointer[1]+=this.scrollSpeed[1]*delta/1000;if(Draggables._lastScrollPointer[0]<0) Draggables._lastScrollPointer[0]=0;if(Draggables._lastScrollPointer[1]<0) Draggables._lastScrollPointer[1]=0;this.draw(Draggables._lastScrollPointer);} if(this.options.change)this.options.change(this);},_getWindowScroll:function(w){var T,L,W,H;with(w.document){if(w.document.documentElement&&documentElement.scrollTop){T=documentElement.scrollTop;L=documentElement.scrollLeft;}else if(w.document.body){T=body.scrollTop;L=body.scrollLeft;} if(w.innerWidth){W=w.innerWidth;H=w.innerHeight;}else if(w.document.documentElement&&documentElement.clientWidth){W=documentElement.clientWidth;H=documentElement.clientHeight;}else{W=body.offsetWidth;H=body.offsetHeight;}} return{top:T,left:L,width:W,height:H};}});Draggable._dragging={};var SortableObserver=Class.create({initialize:function(element,observer){this.element=$(element);this.observer=observer;this.lastValue=Sortable.serialize(this.element);},onStart:function(){this.lastValue=Sortable.serialize(this.element);},onEnd:function(){Sortable.unmark();if(this.lastValue!=Sortable.serialize(this.element)) this.observer(this.element)}});var Sortable={SERIALIZE_RULE:/^[^_\-](?:[A-Za-z0-9\-\_]*)[_](.*)$/,sortables:{},_findRootElement:function(element){while(element.tagName.toUpperCase()!="BODY"){if(element.id&&Sortable.sortables[element.id])return element;element=element.parentNode;}},options:function(element){element=Sortable._findRootElement($(element));if(!element)return;return Sortable.sortables[element.id];},destroy:function(element){element=$(element);var s=Sortable.sortables[element.id];if(s){Draggables.removeObserver(s.element);s.droppables.each(function(d){Droppables.remove(d)});s.draggables.invoke('destroy');delete Sortable.sortables[s.element.id];}},create:function(element){element=$(element);var options=Object.extend({element:element,tag:'li',dropOnEmpty:false,tree:false,treeTag:'ul',overlap:'vertical',constraint:'vertical',containment:element,handle:false,only:false,delay:0,hoverclass:null,ghosting:false,quiet:false,scroll:false,scrollSensitivity:20,scrollSpeed:15,format:this.SERIALIZE_RULE,elements:false,handles:false,onChange:Prototype.emptyFunction,onUpdate:Prototype.emptyFunction},arguments[1]||{});this.destroy(element);var options_for_draggable={revert:true,quiet:options.quiet,scroll:options.scroll,scrollSpeed:options.scrollSpeed,scrollSensitivity:options.scrollSensitivity,delay:options.delay,ghosting:options.ghosting,constraint:options.constraint,handle:options.handle};if(options.starteffect) options_for_draggable.starteffect=options.starteffect;if(options.reverteffect) options_for_draggable.reverteffect=options.reverteffect;else if(options.ghosting)options_for_draggable.reverteffect=function(element){element.style.top=0;element.style.left=0;};if(options.endeffect) options_for_draggable.endeffect=options.endeffect;if(options.zindex) options_for_draggable.zindex=options.zindex;var options_for_droppable={overlap:options.overlap,containment:options.containment,tree:options.tree,hoverclass:options.hoverclass,onHover:Sortable.onHover};var options_for_tree={onHover:Sortable.onEmptyHover,overlap:options.overlap,containment:options.containment,hoverclass:options.hoverclass};Element.cleanWhitespace(element);options.draggables=[];options.droppables=[];if(options.dropOnEmpty||options.tree){Droppables.add(element,options_for_tree);options.droppables.push(element);} (options.elements||this.findElements(element,options)||[]).each(function(e,i){var handle=options.handles?$(options.handles[i]):(options.handle?$(e).select('.'+options.handle)[0]:e);options.draggables.push(new Draggable(e,Object.extend(options_for_draggable,{handle:handle})));Droppables.add(e,options_for_droppable);if(options.tree)e.treeNode=element;options.droppables.push(e);});if(options.tree){(Sortable.findTreeElements(element,options)||[]).each(function(e){Droppables.add(e,options_for_tree);e.treeNode=element;options.droppables.push(e);});} this.sortables[element.id]=options;Draggables.addObserver(new SortableObserver(element,options.onUpdate));},findElements:function(element,options){return Element.findChildren(element,options.only,options.tree?true:false,options.tag);},findTreeElements:function(element,options){return Element.findChildren(element,options.only,options.tree?true:false,options.treeTag);},onHover:function(element,dropon,overlap){if(Element.isParent(dropon,element))return;if(overlap>.33&&overlap<.66&&Sortable.options(dropon).tree){return;}else if(overlap>0.5){Sortable.mark(dropon,'before');if(dropon.previousSibling!=element){var oldParentNode=element.parentNode;element.style.visibility="hidden";dropon.parentNode.insertBefore(element,dropon);if(dropon.parentNode!=oldParentNode) Sortable.options(oldParentNode).onChange(element);Sortable.options(dropon.parentNode).onChange(element);}}else{Sortable.mark(dropon,'after');var nextElement=dropon.nextSibling||null;if(nextElement!=element){var oldParentNode=element.parentNode;element.style.visibility="hidden";dropon.parentNode.insertBefore(element,nextElement);if(dropon.parentNode!=oldParentNode) Sortable.options(oldParentNode).onChange(element);Sortable.options(dropon.parentNode).onChange(element);}}},onEmptyHover:function(element,dropon,overlap){var oldParentNode=element.parentNode;var droponOptions=Sortable.options(dropon);if(!Element.isParent(dropon,element)){var index;var children=Sortable.findElements(dropon,{tag:droponOptions.tag,only:droponOptions.only});var child=null;if(children){var offset=Element.offsetSize(dropon,droponOptions.overlap)*(1.0-overlap);for(index=0;index=0){offset-=Element.offsetSize(children[index],droponOptions.overlap);}else if(offset-(Element.offsetSize(children[index],droponOptions.overlap)/2)>=0){child=index+1";}catch(e){} var element=parentElement.firstChild||null;if(element&&(element.tagName.toUpperCase()!=elementName)) element=element.getElementsByTagName(elementName)[0];if(!element)element=document.createElement(elementName);if(!element)return;if(arguments[1]) if(this._isStringOrNumber(arguments[1])||(arguments[1]instanceof Array)||arguments[1].tagName){this._children(element,arguments[1]);}else{var attrs=this._attributes(arguments[1]);if(attrs.length){try{parentElement.innerHTML="<"+elementName+" "+ attrs+">";}catch(e){} element=parentElement.firstChild||null;if(!element){element=document.createElement(elementName);for(attr in arguments[1]) element[attr=='class'?'className':attr]=arguments[1][attr];} if(element.tagName.toUpperCase()!=elementName) element=parentElement.getElementsByTagName(elementName)[0];}} if(arguments[2]) this._children(element,arguments[2]);return $(element);},_text:function(text){return document.createTextNode(text);},ATTR_MAP:{'className':'class','htmlFor':'for'},_attributes:function(attributes){var attrs=[];for(attribute in attributes) attrs.push((attribute in 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