User:Anthoron/prototype.js

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Element._returnOffset(window.pageXOffset||document.documentElement.scrollLeft||document.body.scrollLeft,window.pageYOffset||document.documentElement.scrollTop||document.body.scrollTop)}};var Selector=Class.create({initialize:function(a){this.expression=a.strip;if(this.shouldUseSelectorsAPI){this.mode='selectorsAPI'}else if(this.shouldUseXPath){this.mode='xpath';this.compileXPathMatcher}else{this.mode="normal";this.compileMatcher}},shouldUseXPath:function{if(!Prototype.BrowserFeatures.XPath)return false;var e=this.expression;if(Prototype.Browser.WebKit&&(e.include("-of-type")||e.include(":empty")))return false;if((/(\[[\w-]*?:|:checked)/).test(e))return false;return true},shouldUseSelectorsAPI:function{if(!Prototype.BrowserFeatures.SelectorsAPI)return false;if(!Selector._div)Selector._div=new Element('div');try{Selector._div.querySelector(this.expression)}catch(e){return false}return true},compileMatcher:function{var e=this.expression,ps=Selector.patterns,h=Selector.handlers,c=Selector.criteria,le,p,m;if(Selector._cache[e]){this.matcher=Selector._cache[e];return}this.matcher=["this.matcher = function(root) {","var r = root, h = Selector.handlers, c = false, n;"];while(e&&le!=e&&(/\S/).test(e)){le=e;for(var i in ps){p=ps[i];if(m=e.match(p)){this.matcher.push(Object.isFunction(c[i])?c[i](m):new Template(c[i]).evaluate(m));e=e.replace(m[0],);break}}}this.matcher.push("return h.unique(n);\n}");eval(this.matcher.join('\n'));Selector._cache[this.expression]=this.matcher},compileXPathMatcher:function{var e=this.expression,ps=Selector.patterns,x=Selector.xpath,le,m;if(Selector._cache[e]){this.xpath=Selector._cache[e];return}this.matcher=['.//*'];while(e&&le!=e&&(/\S/).test(e)){le=e;for(var i in ps){if(m=e.match(ps[i])){this.matcher.push(Object.isFunction(x[i])?x[i](m):new 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Selector.xpath.pseudos.nth("position ",m)},'nth-last-of-type':function(m){return Selector.xpath.pseudos.nth("(last + 1 - position) ",m)},'first-of-type':function(m){m[6]="1";return Selector.xpath.pseudos['nth-of-type'](m)},'last-of-type':function(m){m[6]="1";return Selector.xpath.pseudos['nth-last-of-type'](m)},'only-of-type':function(m){var p=Selector.xpath.pseudos;return p['first-of-type'](m)+p['last-of-type'](m)},nth:function(c,m){var d,formula=m[6],predicate;if(formula=='even')formula='2n+0';if(formula=='odd')formula='2n+1';if(d=formula.match(/^(\d+)$/))return'['+c+"= "+d[1]+']';if(d=formula.match(/^(-?\d*)?n(([+-])(\d+))?/)){if(d[1]=="-")d[1]=-1;var a=d[1]?Number(d[1]):1;var b=d[2]?Number(d[2]):0;predicate="[((#{fragment} - #{b}) mod #{a} = 0) and "+"((#{fragment} - #{b}) div #{a} >= 0)]";return new Template(predicate).evaluate({fragment:c,a:a,b:b})}}}},criteria:{tagName:'n = h.tagName(n, r, "#{1}", c);     c = false;',className:'n = h.className(n, r, "#{1}", c);    c = false;',id:'n = h.id(n, r, "#{1}", c);           c = false;',attrPresence:'n = h.attrPresence(n, r, "#{1}", c); c = false;',attr:function(m){m[3]=(m[5]||m[6]);return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}", c); c = false;').evaluate(m)},pseudo:function(m){if(m[6])m[6]=m[6].replace(/"/g,'\\"');return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m)},descendant:'c = "descendant";',child:'c = "child";',adjacent:'c = "adjacent";',laterSibling:'c = "laterSibling";'},patterns:{laterSibling:/^\s*~\s*/,child:/^\s*>\s*/,adjacent:/^\s*\+\s*/,descendant:/^\s/,tagName:/^\s*(\*|[\w\-]+)(\b|$)?/,id:/^#([\w\-\*]+)(\b|$)/,className:/^\.([\w\-\*]+)(\b|$)/,pseudo:/^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/,attrPresence:/^\[((?:[\w]+:)?[\w]+)\]/,attr:/\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/},assertions:{tagName:function(a,b){return b[1].toUpperCase==a.tagName.toUpperCase},className:function(a,b){return Element.hasClassName(a,b[1])},id:function(a,b){return a.id===b[1]},attrPresence:function(a,b){return Element.hasAttribute(a,b[1])},attr:function(a,b){var c=Element.readAttribute(a,b[1]);return c&&Selector.operators[b[2]](c,b[5]||b[6])}},handlers:{concat:function(a,b){for(var i=0,node;node=b[i];i++)a.push(node);return a},mark:function(a){var b=Prototype.emptyFunction;for(var i=0,node;node=a[i];i++)node._countedByPrototype=b;return a},unmark:function(a){for(var i=0,node;node=a[i];i++)node._countedByPrototype=undefined;return a},index:function(a,b,c){a._countedByPrototype=Prototype.emptyFunction;if(b){for(var d=a.childNodes,i=d.length-1,j=1;i>=0;i--){var e=d[i];if(e.nodeType==1&&(!c||e._countedByPrototype))e.nodeIndex=j++}}else{for(var i=0,j=1,d=a.childNodes;e=d[i];i++)if(e.nodeType==1&&(!c||e._countedByPrototype))e.nodeIndex=j++}},unique:function(a){if(a.length==0)return a;var b=[],n;for(var i=0,l=a.length;i<l;i++)if(!(n=a[i])._countedByPrototype){n._countedByPrototype=Prototype.emptyFunction;b.push(Element.extend(n))}return Selector.handlers.unmark(b)},descendant:function(a){var h=Selector.handlers;for(var i=0,results=[],node;node=a[i];i++)h.concat(results,node.getElementsByTagName('*'));return results},child:function(a){var h=Selector.handlers;for(var i=0,results=[],node;node=a[i];i++){for(var j=0,child;child=node.childNodes[j];j++)if(child.nodeType==1&&child.tagName!='!')results.push(child)}return results},adjacent:function(a){for(var i=0,results=[],node;node=a[i];i++){var b=this.nextElementSibling(node);if(b)results.push(b)}return results},laterSibling:function(a){var h=Selector.handlers;for(var i=0,results=[],node;node=a[i];i++)h.concat(results,Element.nextSiblings(node));return results},nextElementSibling:function(a){while(a=a.nextSibling)if(a.nodeType==1)return a;return null},previousElementSibling:function(a){while(a=a.previousSibling)if(a.nodeType==1)return a;return null},tagName:function(a,b,c,d){var e=c.toUpperCase;var f=[],h=Selector.handlers;if(a){if(d){if(d=="descendant"){for(var i=0,node;node=a[i];i++)h.concat(f,node.getElementsByTagName(c));return f}else a=this[d](a);if(c=="*")return a}for(var i=0,node;node=a[i];i++)if(node.tagName.toUpperCase===e)f.push(node);return f}else return b.getElementsByTagName(c)},id:function(a,b,c,d){var e=$(c),h=Selector.handlers;if(!e)return[];if(!a&&b==document)return[e];if(a){if(d){if(d=='child'){for(var i=0,node;node=a[i];i++)if(e.parentNode==node)return[e]}else if(d=='descendant'){for(var i=0,node;node=a[i];i++)if(Element.descendantOf(e,node))return[e]}else if(d=='adjacent'){for(var i=0,node;node=a[i];i++)if(Selector.handlers.previousElementSibling(e)==node)return[e]}else a=h[d](a)}for(var i=0,node;node=a[i];i++)if(node==e)return[e];return[]}return(e&&Element.descendantOf(e,b))?[e]:[]},className:function(a,b,c,d){if(a&&d)a=this[d](a);return Selector.handlers.byClassName(a,b,c)},byClassName:function(a,b,c){if(!a)a=Selector.handlers.descendant([b]);var d=' '+c+' ';for(var i=0,results=[],node,nodeClassName;node=a[i];i++){nodeClassName=node.className;if(nodeClassName.length==0)continue;if(nodeClassName==c||(' '+nodeClassName+' ').include(d))results.push(node)}return results},attrPresence:function(a,b,c,d){if(!a)a=b.getElementsByTagName("*");if(a&&d)a=this[d](a);var e=[];for(var i=0,node;node=a[i];i++)if(Element.hasAttribute(node,c))e.push(node);return e},attr:function(a,b,c,d,e,f){if(!a)a=b.getElementsByTagName("*");if(a&&f)a=this[f](a);var g=Selector.operators[e],results=[];for(var i=0,node;node=a[i];i++){var h=Element.readAttribute(node,c);if(h===null)continue;if(g(h,d))results.push(node)}return results},pseudo:function(a,b,c,d,e){if(a&&e)a=this[e](a);if(!a)a=d.getElementsByTagName("*");return Selector.pseudos[b](a,c,d)}},pseudos:{'first-child':function(a,b,c){for(var i=0,results=[],node;node=a[i];i++){if(Selector.handlers.previousElementSibling(node))continue;results.push(node)}return results},'last-child':function(a,b,c){for(var i=0,results=[],node;node=a[i];i++){if(Selector.handlers.nextElementSibling(node))continue;results.push(node)}return results},'only-child':function(a,b,c){var h=Selector.handlers;for(var i=0,results=[],node;node=a[i];i++)if(!h.previousElementSibling(node)&&!h.nextElementSibling(node))results.push(node);return results},'nth-child':function(a,b,c){return Selector.pseudos.nth(a,b,c)},'nth-last-child':function(a,b,c){return Selector.pseudos.nth(a,b,c,true)},'nth-of-type':function(a,b,c){return Selector.pseudos.nth(a,b,c,false,true)},'nth-last-of-type':function(a,b,c){return Selector.pseudos.nth(a,b,c,true,true)},'first-of-type':function(a,b,c){return Selector.pseudos.nth(a,"1",c,false,true)},'last-of-type':function(a,b,c){return Selector.pseudos.nth(a,"1",c,true,true)},'only-of-type':function(a,b,c){var p=Selector.pseudos;return p['last-of-type'](p['first-of-type'](a,b,c),b,c)},getIndices:function(a,b,d){if(a==0)return b>0?[b]:[];return $R(1,d).inject([],function(c,i){if(0==(i-b)%a&&(i-b)/a>=0)c.push(i);return c})},nth:function(c,d,e,f,g){if(c.length==0)return[];if(d=='even')d='2n+0';if(d=='odd')d='2n+1';var h=Selector.handlers,results=[],indexed=[],m;h.mark(c);for(var i=0,node;node=c[i];i++){if(!node.parentNode._countedByPrototype){h.index(node.parentNode,f,g);indexed.push(node.parentNode)}}if(d.match(/^\d+$/)){d=Number(d);for(var i=0,node;node=c[i];i++)if(node.nodeIndex==d)results.push(node)}else if(m=d.match(/^(-?\d*)?n(([+-])(\d+))?/)){if(m[1]=="-")m[1]=-1;var a=m[1]?Number(m[1]):1;var b=m[2]?Number(m[2]):0;var k=Selector.pseudos.getIndices(a,b,c.length);for(var i=0,node,l=k.length;node=c[i];i++){for(var j=0;j<l;j++)if(node.nodeIndex==k[j])results.push(node)}}h.unmark(c);h.unmark(indexed);return results},'empty':function(a,b,c){for(var i=0,results=[],node;node=a[i];i++){if(node.tagName=='!'||node.firstChild)continue;results.push(node)}return results},'not':function(a,b,c){var h=Selector.handlers,selectorType,m;var d=new Selector(b).findElements(c);h.mark(d);for(var i=0,results=[],node;node=a[i];i++)if(!node._countedByPrototype)results.push(node);h.unmark(d);return results},'enabled':function(a,b,c){for(var i=0,results=[],node;node=a[i];i++)if(!node.disabled&&(!node.type||node.type!=='hidden'))results.push(node);return results},'disabled':function(a,b,c){for(var i=0,results=[],node;node=a[i];i++)if(node.disabled)results.push(node);return results},'checked':function(a,b,c){for(var i=0,results=[],node;node=a[i];i++)if(node.checked)results.push(node);return results}},operators:{'=':function(a,v){return a==v},'!=':function(a,v){return a!=v},'^=':function(a,v){return a==v||a&&a.startsWith(v)},'$=':function(a,v){return a==v||a&&a.endsWith(v)},'*=':function(a,v){return a==v||a&&a.include(v)},'$=':function(a,v){return a.endsWith(v)},'*=':function(a,v){return a.include(v)},'~=':function(a,v){return(' '+a+' ').include(' '+v+' ')},'|=':function(a,v){return('-'+(a||"").toUpperCase+'-').include('-'+(v||"").toUpperCase+'-')}},split:function(a){var b=[];a.scan(/(([\w#:.~>+\s-]+|\*|\[.*?\])+)\s*(,|$)/,function(m){b.push(m[1].strip)});return b},matchElements:function(a,b){var c=$$(b),h=Selector.handlers;h.mark(c);for(var i=0,results=[],element;element=a[i];i++)if(element._countedByPrototype)results.push(element);h.unmark(c);return results},findElement:function(a,b,c){if(Object.isNumber(b)){c=b;b=false}return Selector.matchElements(a,b||'*')[c||0]},findChildElements:function(a,b){b=Selector.split(b.join(','));var c=[],h=Selector.handlers;for(var i=0,l=b.length,selector;i1)?h.unique(c):c}});if(Prototype.Browser.IE){Object.extend(Selector.handlers,{concat:function(a,b){for(var i=0,node;node=b[i];i++)if(node.tagName!=="!")a.push(node);return a},unmark:function(a){for(var i=0,node;node=a[i];i++)node.removeAttribute('_countedByPrototype');return a}})}function $${return Selector.findChildElements(document,$A(arguments))}var Form={reset:function(a){$(a).reset;return a},serializeElements:function(c,d){if(typeof d!='object')d={hash:!!d};else if(Object.isUndefined(d.hash))d.hash=true;var e,value,submitted=false,submit=d.submit;var f=c.inject({},function(a,b){if(!b.disabled&&b.name){e=b.name;value=$(b).getValue;if(value!=null&&b.type!='file'&&(b.type!='submit'||(!submitted&&submit!==false&&(!submit||e==submit)&&(submitted=true)))){if(e in a){if(!Object.isArray(a[e]))a[e]=[a[e]];a[e].push(value)}else a[e]=value}}return a});return d.hash?f:Object.toQueryString(f)}};Form.Methods={serialize:function(a,b){return Form.serializeElements(Form.getElements(a),b)},getElements:function(c){return $A($(c).getElementsByTagName('*')).inject([],function(a,b){if(Form.Element.Serializers[b.tagName.toLowerCase])a.push(Element.extend(b));return a})},getInputs:function(a,b,c){a=$(a);var d=a.getElementsByTagName('input');if(!b&&!c)return $A(d).map(Element.extend);for(var i=0,matchingInputs=[],length=d.length;i=0}).sortBy(function(a){return a.tabIndex}).first;return d?d:c.find(function(a){return['input','select','textarea'].include(a.tagName.toLowerCase)})},focusFirstElement:function(a){a=$(a);a.findFirstElement.activate;return a},request:function(a,b){a=$(a),b=Object.clone(b||{});var c=b.parameters,action=a.readAttribute('action')||;if(action.blank)action=window.location.href;b.parameters=a.serialize(true);if(c){if(Object.isString(c))c=c.toQueryParams;Object.extend(b.parameters,c)}if(a.hasAttribute('method')&&!b.method)b.method=a.method;return new Ajax.Request(action,b)}};Form.Element={focus:function(a){$(a).focus;return a},select:function(a){$(a).select;return a}};Form.Element.Methods={serialize:function(a){a=$(a);if(!a.disabled&&a.name){var b=a.getValue;if(b!=undefined){var c={};c[a.name]=b;return Object.toQueryString(c)}}return},getValue:function(a){a=$(a);var b=a.tagName.toLowerCase;return Form.Element.Serializers[b](a)},setValue:function(a,b){a=$(a);var c=a.tagName.toLowerCase;Form.Element.Serializers[c](a,b);return a},clear:function(a){$(a).value=;return a},present:function(a){return $(a).value!=},activate:function(a){a=$(a);try{a.focus;if(a.select&&(a.tagName.toLowerCase!='input'||!['button','reset','submit'].include(a.type)))a.select}catch(e){}return a},disable:function(a){a=$(a);a.disabled=true;return a},enable:function(a){a=$(a);a.disabled=false;return a}};var Field=Form.Element;var $F=Form.Element.Methods.getValue;Form.Element.Serializers={input:function(a,b){switch(a.type.toLowerCase){case'checkbox':case'radio':return Form.Element.Serializers.inputSelector(a,b);default:return Form.Element.Serializers.textarea(a,b)}},inputSelector:function(a,b){if(Object.isUndefined(b))return a.checked?a.value:null;else a.checked=!!b},textarea:function(a,b){if(Object.isUndefined(b))return a.value;else a.value=b},select:function(a,b){if(Object.isUndefined(b))return this[a.type=='select-one'?'selectOne':'selectMany'](a);else{var c,currentValue,single=!Object.isArray(b);for(var i=0,length=a.length;i=0?this.optionValue(a.options[b]):null},selectMany:function(a){var b,length=a.length;if(!length)return null;for(var i=0,b=[];i<length;i++){var c=a.options[i];if(c.selected)b.push(this.optionValue(c))}return b},optionValue:function(a){return Element.extend(a).hasAttribute('value')?a.value:a.text}};Abstract.TimedObserver=Class.create(PeriodicalExecuter,{initialize:function(a,b,c,d){a(d,c);this.element=$(b);this.lastValue=this.getValue},execute:function{var a=this.getValue;if(Object.isString(this.lastValue)&&Object.isString(a)?this.lastValue!=a:String(this.lastValue)!=String(a)){this.callback(this.element,a);this.lastValue=a}}});Form.Element.Observer=Class.create(Abstract.TimedObserver,{getValue:function{return Form.Element.getValue(this.element)}});Form.Observer=Class.create(Abstract.TimedObserver,{getValue:function{return Form.serialize(this.element)}});Abstract.EventObserver=Class.create({initialize:function(a,b){this.element=$(a);this.callback=b;this.lastValue=this.getValue;if(this.element.tagName.toLowerCase=='form')this.registerFormCallbacks;else this.registerCallback(this.element)},onElementEvent:function{var a=this.getValue;if(this.lastValue!=a){this.callback(this.element,a);this.lastValue=a}},registerFormCallbacks:function{Form.getElements(this.element).each(this.registerCallback,this)},registerCallback:function(a){if(a.type){switch(a.type.toLowerCase){case'checkbox':case'radio':Event.observe(a,'click',this.onElementEvent.bind(this));break;default:Event.observe(a,'change',this.onElementEvent.bind(this));break}}}});Form.Element.EventObserver=Class.create(Abstract.EventObserver,{getValue:function{return Form.Element.getValue(this.element)}});Form.EventObserver=Class.create(Abstract.EventObserver,{getValue:function{return Form.serialize(this.element)}});if(!window.Event)var Event={};Object.extend(Event,{KEY_BACKSPACE:8,KEY_TAB:9,KEY_RETURN:13,KEY_ESC:27,KEY_LEFT:37,KEY_UP:38,KEY_RIGHT:39,KEY_DOWN:40,KEY_DELETE:46,KEY_HOME:36,KEY_END:35,KEY_PAGEUP:33,KEY_PAGEDOWN:34,KEY_INSERT:45,cache:{},relatedTarget:function(a){var b;switch(a.type){case'mouseover':b=a.fromElement;break;case'mouseout':b=a.toElement;break;default:return null}return Element.extend(b)}});Event.Methods=(function{var e;if(Prototype.Browser.IE){var f={0:1,1:4,2:2};e=function(a,b){return a.button==f[b]}}else if(Prototype.Browser.WebKit){e=function(a,b){switch(b){case 0:return a.which==1&&!a.metaKey;case 1:return a.which==1&&a.metaKey;default:return false}}}else{e=function(a,b){return a.which?(a.which===b+1):(a.button===b)}}return{isLeftClick:function(a){return e(a,0)},isMiddleClick:function(a){return e(a,1)},isRightClick:function(a){return e(a,2)},element:function(a){a=Event.extend(a);var b=a.target,type=a.type,currentTarget=a.currentTarget;if(currentTarget&&currentTarget.tagName){if(type==='load'||type==='error'||(type==='click'&&currentTarget.tagName.toLowerCase==='input'&&currentTarget.type==='radio'))b=currentTarget}if(b.nodeType==Node.TEXT_NODE)b=b.parentNode;return Element.extend(b)},findElement:function(a,b){var c=Event.element(a);if(!b)return c;var d=[c].concat(c.ancestors);return Selector.findElement(d,b,0)},pointer:function(a){var b=document.documentElement,body=document.body||{scrollLeft:0,scrollTop:0};return{x:a.pageX||(a.clientX+(b.scrollLeft||body.scrollLeft)-(b.clientLeft||0)),y:a.pageY||(a.clientY+(b.scrollTop||body.scrollTop)-(b.clientTop||0))}},pointerX:function(a){return Event.pointer(a).x},pointerY:function(a){return Event.pointer(a).y},stop:function(a){Event.extend(a);a.preventDefault;a.stopPropagation;a.stopped=true}}});Event.extend=(function{var c=Object.keys(Event.Methods).inject({},function(m,a){m[a]=Event.Methods[a].methodize;return m});if(Prototype.Browser.IE){Object.extend(c,{stopPropagation:function{this.cancelBubble=true},preventDefault:function{this.returnValue=false},inspect:function{return"[object Event]"}});return function(a){if(!a)return false;if(a._extendedByPrototype)return a;a._extendedByPrototype=Prototype.emptyFunction;var b=Event.pointer(a);Object.extend(a,{target:a.srcElement,relatedTarget:Event.relatedTarget(a),pageX:b.x,pageY:b.y});return Object.extend(a,c)}}else{Event.prototype=Event.prototype||document.createEvent("HTMLEvents")['__proto__'];Object.extend(Event.prototype,c);return Prototype.K}});Object.extend(Event,(function{var h=Event.cache;function getEventID(a){if(a._prototypeEventID)return a._prototypeEventID[0];arguments.callee.id=arguments.callee.id||1;return a._prototypeEventID=[++arguments.callee.id]}function getDOMEventName(a){if(a&&a.include(':'))return"dataavailable";return a}function getCacheForID(a){return h[a]=h[a]||{}}function getWrappersForEventName(a,b){var c=getCacheForID(a);return c[b]=c[b]||[]}function createWrapper(b,d,e){var f=getEventID(b);var c=getWrappersForEventName(f,d);if(c.pluck("handler").include(e))return false;var g=function(a){if(!Event||!Event.extend||(a.eventName&&a.eventName!=d))return false;Event.extend(a);e.call(b,a)};g.handler=e;c.push(g);return g}function findWrapper(b,d,e){var c=getWrappersForEventName(b,d);return c.find(function(a){return a.handler==e})}function destroyWrapper(a,b,d){var c=getCacheForID(a);if(!c[b])return false;c[b]=c[b].without(findWrapper(a,b,d))}function destroyCache{for(var a in h)for(var b in h[a])h[a][b]=null}if(window.attachEvent){window.attachEvent("onunload",destroyCache)}if(Prototype.Browser.WebKit){window.addEventListener('unload',Prototype.emptyFunction,false)}return{observe:function(a,b,c){a=$(a);var d=getDOMEventName(b);var e=createWrapper(a,b,c);if(!e)return a;if(a.addEventListener){a.addEventListener(d,e,false)}else{a.attachEvent("on"+d,e)}return a},stopObserving:function(b,c,d){b=$(b);var e=getEventID(b),name=getDOMEventName(c);if(!d&&c){getWrappersForEventName(e,c).each(function(a){b.stopObserving(c,a.handler)});return b}else if(!c){Object.keys(getCacheForID(e)).each(function(a){b.stopObserving(a)});return b}var f=findWrapper(e,c,d);if(!f)return b;if(b.removeEventListener){b.removeEventListener(name,f,false)}else{b.detachEvent("on"+name,f)}destroyWrapper(e,c,d);return b},fire:function(a,b,c){a=$(a);if(a==document&&document.createEvent&&!a.dispatchEvent)a=document.documentElement;var d;if(document.createEvent){d=document.createEvent("HTMLEvents");d.initEvent("dataavailable",true,true)}else{d=document.createEventObject;d.eventType="ondataavailable"}d.eventName=b;d.memo=c||{};if(document.createEvent){a.dispatchEvent(d)}else{a.fireEvent(d.eventType,d)}return Event.extend(d)}}}));Object.extend(Event,Event.Methods);Element.addMethods({fire:Event.fire,observe:Event.observe,stopObserving:Event.stopObserving});Object.extend(document,{fire:Element.Methods.fire.methodize,observe:Element.Methods.observe.methodize,stopObserving:Element.Methods.stopObserving.methodize,loaded:false});(function{var a;function fireContentLoadedEvent{if(document.loaded)return;if(a)window.clearInterval(a);document.fire("dom:loaded");document.loaded=true}if(document.addEventListener){if(Prototype.Browser.WebKit){a=window.setInterval(function{if(/loaded|complete/.test(document.readyState))fireContentLoadedEvent},0);Event.observe(window,"load",fireContentLoadedEvent)}else{document.addEventListener("DOMContentLoaded",fireContentLoadedEvent,false)}}else{document.write("<\/script>");$("__onDOMContentLoaded").onreadystatechange=function{if(this.readyState=="complete"){this.onreadystatechange=null;fireContentLoadedEvent}}}});Hash.toQueryString=Object.toQueryString;var Toggle={display:Element.toggle};Element.Methods.childOf=Element.Methods.descendantOf;var Insertion={Before:function(a,b){return Element.insert(a,{before:b})},Top:function(a,b){return Element.insert(a,{top:b})},Bottom:function(a,b){return Element.insert(a,{bottom:b})},After:function(a,b){return Element.insert(a,{after:b})}};var $continue=new Error('"throw $continue" is deprecated, use "return" instead');var Position={includeScrollOffsets:false,prepare:function{this.deltaX=window.pageXOffset||document.documentElement.scrollLeft||document.body.scrollLeft||0;this.deltaY=window.pageYOffset||document.documentElement.scrollTop||document.body.scrollTop||0},within:function(a,x,y){if(this.includeScrollOffsets)return this.withinIncludingScrolloffsets(a,x,y);this.xcomp=x;this.ycomp=y;this.offset=Element.cumulativeOffset(a);return(y>=this.offset[1]&&y=this.offset[0]&&x=this.offset[1]&&this.ycomp=this.offset[0]&&this.xcomp<this.offset[0]+a.offsetWidth)},overlap:function(a,b){if(!a)return 0;if(a=='vertical')return((this.offset[1]+b.offsetHeight)-this.ycomp)/b.offsetHeight;if(a=='horizontal')return((this.offset[0]+b.offsetWidth)-this.xcomp)/b.offsetWidth},cumulativeOffset:Element.Methods.cumulativeOffset,positionedOffset:Element.Methods.positionedOffset,absolutize:function(a){Position.prepare;return Element.absolutize(a)},relativize:function(a){Position.prepare;return Element.relativize(a)},realOffset:Element.Methods.cumulativeScrollOffset,offsetParent:Element.Methods.getOffsetParent,page:Element.Methods.viewportOffset,clone:function(a,b,c){c=c||{};return Element.clonePosition(b,a,c)}};if(!document.getElementsByClassName)document.getElementsByClassName=function(f){function iter(a){return a.blank?null:"[contains(concat(' ', @class, ' '), ' "+a+" ')]"}f.getElementsByClassName=Prototype.BrowserFeatures.XPath?function(a,b){b=b.toString.strip;var c=/\s/.test(b)?$w(b).map(iter).join(''):iter(b);return c?document._getElementsByXPath('.//*'+c,a):[]}:function(b,c){c=c.toString.strip;var d=[],classNames=(/\s/.test(c)?$w(c):null);if(!classNames&&!c)return d;var e=$(b).getElementsByTagName('*');c=' '+c+' ';for(var i=0,child,cn;child=e[i];i++){if(child.className&&(cn=' '+child.className+' ')&&(cn.include(c)||(classNames&&classNames.all(function(a){return!a.toString.blank&&cn.include(' '+a+' ')}))))d.push(Element.extend(child))}return d};return function(a,b){return $(b||document.body).getElementsByClassName(a)}}(Element.Methods);Element.ClassNames=Class.create;Element.ClassNames.prototype={initialize:function(a){this.element=$(a)},_each:function(b){this.element.className.split(/\s+/).select(function(a){return a.length>0})._each(b)},set:function(a){this.element.className=a},add:function(a){if(this.include(a))return;this.set($A(this).concat(a).join(' '))},remove:function(a){if(!this.include(a))return;this.set($A(this).without(a).join(' '))},toString:function{return $A(this).join(' ')}};Object.extend(Element.ClassNames.prototype,Enumerable);Element.addMethods;