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a=0;a<this.length;a++)if(this[a]==b)return a;return -1},reverse:function(a){return (a!==false?this:this.toArray())._reverse()},shift:function(){var b=this[0];for(var a=0;a<this.length-1;a++)this[a]=this[a+1];this.length--;return b},inspect:function(){return "["+this.map(Object.inspect).join(", ")+"]"}});var Hash={_each:function(c){for(key in this){var a=this[key];if(typeof a=="function")continue;var b=[key,a];b.key=key;b.value=a;c(b)}},keys:function(){return this.pluck("key")},values:function(){return this.pluck("value")},merge:function(a){return $H(a).inject($H(this),function(a,b){a[b.key]=b.value;return a})},toQueryString:function(){return this.map(function(a){return a.map(encodeURIComponent).join("=")}).join("&")},inspect:function(){return "#<Hash:{"+this.map(function(a){return a.map(Object.inspect).join(": ")}).join(", ")+"}>"}};function $H(b){var a=Object.extend({},b||{});Object.extend(a,Enumerable);Object.extend(a,Hash);return a}ObjectRange=Class.create();Object.extend(ObjectRange.prototype,Enumerable);Object.extend(ObjectRange.prototype,{initialize:function(b,c,a){this.start=b;this.end=c;this.exclusive=a},_each:function(b){var a=this.start;do{b(a);a=a.succ()}while(this.include(a))},include:function(a){if(a<this.start)return false;if(this.exclusive)return a<this.end;return a<=this.end}});var $R=function(b,c,a){return new ObjectRange(b,c,a)},Ajax={getTransport:function(){return Try.these(function(){return new ActiveXObject("Msxml2.XMLHTTP")},function(){return new ActiveXObject("Microsoft.XMLHTTP")},function(){return new XMLHttpRequest})||false},activeRequestCount:0};Ajax.Responders={responders:[],_each:function(a){this.responders._each(a)},register:function(a){if(!this.include(a))this.responders.push(a)},unregister:function(a){this.responders=this.responders.without(a)},dispatch:function(a,c,b,d){this.each(function(e){if(e[a]&&typeof 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b=0;b<a.length;b+=2)this.transport.setRequestHeader(a[b],a[b+1])},onStateChange:function(){var a=this.transport.readyState;if(a!=1)this.respondToReadyState(this.transport.readyState)},header:function(a){try{return this.transport.getResponseHeader(a)}catch(b){}},evalJSON:function(){try{return eval(this.header("X-JSON"))}catch(a){}},evalResponse:function(){try{return eval(this.transport.responseText)}catch(a){this.dispatchException(a)}},respondToReadyState:function(d){var a=Ajax.Request.Events[d],b=this.transport,c=this.evalJSON();if(a=="Complete"){try{(this.options["on"+this.transport.status]||this.options["on"+(this.responseIsSuccess()?"Success":"Failure")]||Prototype.emptyFunction)(b,c)}catch(e){this.dispatchException(e)}if((this.header("Content-type")||"").match(/^text\/javascript/i))this.evalResponse()}try{(this.options["on"+a]||Prototype.emptyFunction)(b,c);Ajax.Responders.dispatch("on"+a,this,b,c)}catch(e){this.dispatchException(e)}if(a=="Complete")this.transport.onreadystatechange=Prototype.emptyFunction},dispatchException:function(a){(this.options.onException||Prototype.emptyFunction)(this,a);Ajax.Responders.dispatch("onException",this,a)}});Ajax.Updater=Class.create();Object.extend(Object.extend(Ajax.Updater.prototype,Ajax.Request.prototype),{initialize:function(a,d,c){this.containers={success:a.success?$(a.success):$(a),failure:a.failure?$(a.failure):a.success?null:$(a)};this.transport=Ajax.getTransport();this.setOptions(c);var b=this.options.onComplete||Prototype.emptyFunction;this.options.onComplete=function(a,c){this.updateContent();b(a,c)}.bind(this);this.request(d)},updateContent:function(){var b=this.responseIsSuccess()?this.containers.success:this.containers.failure,a=this.transport.responseText;if(!this.options.evalScripts)a=a.stripScripts();if(b)if(this.options.insertion)new this.options.insertion(b,a);else Element.update(b,a);if(this.responseIsSuccess())if(this.onComplete)setTimeout(this.onComplete.bind(this),10)}});Ajax.PeriodicalUpdater=Class.create();Ajax.PeriodicalUpdater.prototype=Object.extend(new Ajax.Base,{initialize:function(a,c,b){this.setOptions(b);this.onComplete=this.options.onComplete;this.frequency=this.options.frequency||2;this.decay=this.options.decay||1;this.updater={};this.container=a;this.url=c;this.start()},start:function(){this.options.onComplete=this.updateComplete.bind(this);this.onTimerEvent()},stop:function(){this.updater.onComplete=undefined;clearTimeout(this.timer);(this.onComplete||Prototype.emptyFunction).apply(this,arguments)},updateComplete:function(a){if(this.options.decay){this.decay=a.responseText==this.lastText?this.decay*this.options.decay:1;this.lastText=a.responseText}this.timer=setTimeout(this.onTimerEvent.bind(this),this.decay*this.frequency*1e3)},onTimerEvent:function(){this.updater=new Ajax.Updater(this.container,this.url,this.options)}});document.getElementsByClassName=function(b,a){var c=($(a)||document.body).getElementsByTagName("*");return $A(c).inject([],function(a,c){if(c.className.match(new 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b=a.style,c=b.visibility,d=b.position;b.visibility="hidden";b.position="absolute";b.display="";var f=a.clientWidth,e=a.clientHeight;b.display="none";b.position=d;b.visibility=c;return {width:f,height:e}},makePositioned:function(a){a=$(a);var b=Element.getStyle(a,"position");if(b=="static"||!b){a._madePositioned=true;a.style.position="relative";if(window.opera){a.style.top=0;a.style.left=0}}},undoPositioned:function(a){a=$(a);if(a._madePositioned){a._madePositioned=undefined;a.style.position=a.style.top=a.style.left=a.style.bottom=a.style.right=""}},makeClipping:function(a){a=$(a);if(a._overflow)return;a._overflow=a.style.overflow;if((Element.getStyle(a,"overflow")||"visible")!="hidden")a.style.overflow="hidden"},undoClipping:function(a){a=$(a);if(a._overflow)return;a.style.overflow=a._overflow;a._overflow=undefined}});var Toggle={};Toggle.display=Element.toggle;Abstract.Insertion=function(a){this.adjacency=a};Abstract.Insertion.prototype={initialize:function(b,a){this.element=$(b);this.content=a.stripScripts();if(this.adjacency&&this.element.insertAdjacentHTML)try{this.element.insertAdjacentHTML(this.adjacency,this.content)}catch(c){if(this.element.tagName.toLowerCase()=="tbody")this.insertContent(this.contentFromAnonymousTable());else throw c}else{this.range=this.element.ownerDocument.createRange();if(this.initializeRange)this.initializeRange();this.insertContent([this.range.createContextualFragment(this.content)])}setTimeout(function(){a.evalScripts()},10)},contentFromAnonymousTable:function(){var a=document.createElement("div");a.innerHTML="<table><tbody>"+this.content+"</tbody></table>";return $A(a.childNodes[0].childNodes[0].childNodes)}};var Insertion={};Insertion.Before=Class.create();Insertion.Before.prototype=Object.extend(new Abstract.Insertion("beforeBegin"),{initializeRange:function(){this.range.setStartBefore(this.element)},insertContent:function(a){a.each(function(a){this.element.parentNode.insertBefore(a,this.element)}.bind(this))}});Insertion.Top=Class.create();Insertion.Top.prototype=Object.extend(new Abstract.Insertion("afterBegin"),{initializeRange:function(){this.range.selectNodeContents(this.element);this.range.collapse(true)},insertContent:function(a){a.reverse(false).each(function(a){this.element.insertBefore(a,this.element.firstChild)}.bind(this))}});Insertion.Bottom=Class.create();Insertion.Bottom.prototype=Object.extend(new Abstract.Insertion("beforeEnd"),{initializeRange:function(){this.range.selectNodeContents(this.element);this.range.collapse(this.element)},insertContent:function(a){a.each(function(a){this.element.appendChild(a)}.bind(this))}});Insertion.After=Class.create();Insertion.After.prototype=Object.extend(new Abstract.Insertion("afterEnd"),{initializeRange:function(){this.range.setStartAfter(this.element)},insertContent:function(a){a.each(function(a){this.element.parentNode.insertBefore(a,this.element.nextSibling)}.bind(this))}});Element.ClassNames=Class.create();Element.ClassNames.prototype={initialize:function(a){this.element=$(a)},_each:function(a){this.element.className.split(/\s+/).select(function(a){return a.length>0})._each(a)},"set":function(a){this.element.className=a},add:function(a){if(this.include(a))return;this.set(this.toArray().concat(a).join(" "))},remove:function(a){if(!this.include(a))return;this.set(this.select(function(b){return b!=a}).join(" "))},toString:function(){return this.toArray().join(" ")}};Object.extend(Element.ClassNames.prototype,Enumerable);var Field={clear:function(){for(var a=0;a<arguments.length;a++)$(arguments[a]).value=""},focus:function(a){$(a).focus()},present:function(){for(var a=0;a<arguments.length;a++)if($(arguments[a]).value=="")return 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a.type!="hidden"&&!a.disabled&&["input","select","textarea"].include(a.tagName.toLowerCase())})},focusFirstElement:function(a){Field.activate(Form.findFirstElement(a))},reset:function(a){$(a).reset()}};Form.Element={serialize:function(b){b=$(b);var d=b.tagName.toLowerCase(),a=Form.Element.Serializers[d](b);if(a){var c=encodeURIComponent(a[0]);if(c.length==0)return;if(a[1].constructor!=Array)a[1]=[a[1]];return a[1].map(function(a){return c+"="+encodeURIComponent(a)}).join("&")}},getValue:function(a){a=$(a);var c=a.tagName.toLowerCase(),b=Form.Element.Serializers[c](a);if(b)return b[1]}};Form.Element.Serializers={input:function(a){switch(a.type.toLowerCase()){case "submit":case "hidden":case "password":case "text":return Form.Element.Serializers.textarea(a);case "checkbox":case "radio":return Form.Element.Serializers.inputSelector(a)}return false},inputSelector:function(a){if(a.checked)return [a.name,a.value]},textarea:function(a){return [a.name,a.value]},select:function(a){return Form.Element.Serializers[a.type=="select-one"?"selectOne":"selectMany"](a)},selectOne:function(c){var a="",b,d=c.selectedIndex;if(d>=0){b=c.options[d];a=b.value;if(!a&&!("value" in b))a=b.text}return [c.name,a]},selectMany:function(c){var e=[];for(var d=0;d<c.length;d++){var a=c.options[d];if(a.selected){var b=a.value;if(!b&&!("value" in a))b=a.text;e.push(b)}}return [c.name,e]}};var $F=Form.Element.getValue;Abstract.TimedObserver=function(){};Abstract.TimedObserver.prototype={initialize:function(c,a,b){this.frequency=a;this.element=$(c);this.callback=b;this.lastValue=this.getValue();this.registerCallback()},registerCallback:function(){setInterval(this.onTimerEvent.bind(this),this.frequency*1e3)},onTimerEvent:function(){var a=this.getValue();if(this.lastValue!=a){this.callback(this.element,a);this.lastValue=a}}};Form.Element.Observer=Class.create();Form.Element.Observer.prototype=Object.extend(new Abstract.TimedObserver,{getValue:function(){return Form.Element.getValue(this.element)}});Form.Observer=Class.create();Form.Observer.prototype=Object.extend(new Abstract.TimedObserver,{getValue:function(){return Form.serialize(this.element)}});Abstract.EventObserver=function(){};Abstract.EventObserver.prototype={initialize:function(b,a){this.element=$(b);this.callback=a;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(){var b=Form.getElements(this.element);for(var a=0;a<b.length;a++)this.registerCallback(b[a])},registerCallback:function(a){if(a.type)switch(a.type.toLowerCase()){case "checkbox":case "radio":Event.observe(a,"click",this.onElementEvent.bind(this));break;case "password":case "text":case "textarea":case "select-one":case "select-multiple":Event.observe(a,"change",this.onElementEvent.bind(this))}}};Form.Element.EventObserver=Class.create();Form.Element.EventObserver.prototype=Object.extend(new Abstract.EventObserver,{getValue:function(){return Form.Element.getValue(this.element)}});Form.EventObserver=Class.create();Form.EventObserver.prototype=Object.extend(new Abstract.EventObserver,{getValue:function(){return Form.serialize(this.element)}});if(!window.Event)var Event={};Object.extend(Event,{KEY_BACKSPACE:8,KEY_TAB:9,KEY_RETURN:13,KEY_ESC:27,KEY_LEFT:37,KEY_UP:38,KEY_RIGHT:39,KEY_DOWN:40,KEY_DELETE:46,element:function(a){return a.target||a.srcElement},isLeftClick:function(a){return a.which&&a.which==1||a.button&&a.button==1},pointerX:function(a){return a.pageX||a.clientX+(document.documentElement.scrollLeft||document.body.scrollLeft)},pointerY:function(a){return a.pageY||a.clientY+(document.documentElement.scrollTop||document.body.scrollTop)},stop:function(a){if(a.preventDefault){a.preventDefault();a.stopPropagation()}else{a.returnValue=false;a.cancelBubble=true}},findElement:function(c,b){var a=Event.element(c);while(a.parentNode&&(!a.tagName||a.tagName.toUpperCase()!=b.toUpperCase()))a=a.parentNode;return a},observers:false,_observeAndCache:function(a,c,b,d){if(!this.observers)this.observers=[];if(a.addEventListener){this.observers.push([a,c,b,d]);a.addEventListener(c,b,d)}else if(a.attachEvent){this.observers.push([a,c,b,d]);a.attachEvent("on"+c,b)}},unloadCache:function(){if(!Event.observers)return;for(var a=0;a<Event.observers.length;a++){Event.stopObserving.apply(this,Event.observers[a]);Event.observers[a][0]=null}Event.observers=false},observe:function(b,c,d,a){var b=$(b);a=a||false;if(c=="keypress"&&(navigator.appVersion.match(/Konqueror|Safari|KHTML/)||b.attachEvent))c="keydown";this._observeAndCache(b,c,d,a)},stopObserving:function(a,b,d,c){var a=$(a);c=c||false;if(b=="keypress"&&(navigator.appVersion.match(/Konqueror|Safari|KHTML/)||a.detachEvent))b="keydown";if(a.removeEventListener)a.removeEventListener(b,d,c);else if(a.detachEvent)a.detachEvent("on"+b,d)}});Event.observe(window,"unload",Event.unloadCache,false);var Position={includeScrollOffsets:false,prepare:function(){this.deltaX=window.pageXOffset||document.documentElement.scrollLeft||document.body.scrollLeft||0;this.deltaY=window.pageYOffset||document.documentElement.scrollTop||document.body.scrollTop||0},realOffset:function(a){var c=0,b=0;do{c+=a.scrollTop||0;b+=a.scrollLeft||0;a=a.parentNode}while(a);return [b,c]},cumulativeOffset:function(a){var c=0,b=0;do{c+=a.offsetTop||0;b+=a.offsetLeft||0;a=a.offsetParent}while(a);return [b,c]},positionedOffset:function(a){var c=0,b=0;do{c+=a.offsetTop||0;b+=a.offsetLeft||0;a=a.offsetParent;if(a){p=Element.getStyle(a,"position");if(p=="relative"||p=="absolute")break}}while(a);return [b,c]},offsetParent:function(a){if(a.offsetParent)return a.offsetParent;if(a==document.body)return a;while((a=a.parentNode)&&a!=document.body)if(Element.getStyle(a,"position")!="static")return a;return document.body},within:function(a,b,c){if(this.includeScrollOffsets)return this.withinIncludingScrolloffsets(a,b,c);this.xcomp=b;this.ycomp=c;this.offset=this.cumulativeOffset(a);return c>=this.offset[1]&&c<this.offset[1]+a.offsetHeight&&b>=this.offset[0]&&b<this.offset[0]+a.offsetWidth},withinIncludingScrolloffsets:function(a,c,d){var b=this.realOffset(a);this.xcomp=c+b[0]-this.deltaX;this.ycomp=d+b[1]-this.deltaY;this.offset=this.cumulativeOffset(a);return this.ycomp>=this.offset[1]&&this.ycomp<this.offset[1]+a.offsetHeight&&this.xcomp>=this.offset[0]&&this.xcomp<this.offset[0]+a.offsetWidth},overlap:function(b,a){if(!b)return 0;if(b=="vertical")return (this.offset[1]+a.offsetHeight-this.ycomp)/a.offsetHeight;if(b=="horizontal")return (this.offset[0]+a.offsetWidth-this.xcomp)/a.offsetWidth},clone:function(b,a){b=$(b);a=$(a);a.style.position="absolute";var c=this.cumulativeOffset(b);a.style.top=c[1]+"px";a.style.left=c[0]+"px";a.style.width=b.offsetWidth+"px";a.style.height=b.offsetHeight+"px"},page:function(d){var c=0,b=0,a=d;do{c+=a.offsetTop||0;b+=a.offsetLeft||0;if(a.offsetParent==document.body)if(Element.getStyle(a,"position")=="absolute")break}while(a=a.offsetParent);a=d;do{c-=a.scrollTop||0;b-=a.scrollLeft||0}while(a=a.parentNode);return [b,c]},clone:function(c,a){var b=Object.extend({setLeft:true,setTop:true,setWidth:true,setHeight:true,offsetTop:0,offsetLeft:0},arguments[2]||{});c=$(c);var f=Position.page(c);a=$(a);var d=[0,0],e=null;if(Element.getStyle(a,"position")=="absolute"){e=Position.offsetParent(a);d=Position.page(e)}if(e==document.body){d[0]-=document.body.offsetLeft;d[1]-=document.body.offsetTop}if(b.setLeft)a.style.left=f[0]-d[0]+b.offsetLeft+"px";if(b.setTop)a.style.top=f[1]-d[1]+b.offsetTop+"px";if(b.setWidth)a.style.width=c.offsetWidth+"px";if(b.setHeight)a.style.height=c.offsetHeight+"px"},absolutize:function(a){a=$(a);if(a.style.position=="absolute")return;Position.prepare();var b=Position.positionedOffset(a),d=b[1],c=b[0],f=a.clientWidth,e=a.clientHeight;a._originalLeft=c-parseFloat(a.style.left||0);a._originalTop=d-parseFloat(a.style.top||0);a._originalWidth=a.style.width;a._originalHeight=a.style.height;a.style.position="absolute";a.style.top=d+"px";a.style.left=c+"px";a.style.width=f+"px";a.style.height=e+"px"},relativize:function(a){a=$(a);if(a.style.position=="relative")return;Position.prepare();a.style.position="relative";var c=parseFloat(a.style.top||0)-(a._originalTop||0),b=parseFloat(a.style.left||0)-(a._originalLeft||0);a.style.top=c+"px";a.style.left=b+"px";a.style.height=a._originalHeight;a.style.width=a._originalWidth}};if(/Konqueror|Safari|KHTML/.test(navigator.userAgent))Position.cumulativeOffset=function(a){var c=0,b=0;do{c+=a.offsetTop||0;b+=a.offsetLeft||0;if(a.offsetParent==document.body)if(Element.getStyle(a,"position")=="absolute")break;a=a.offsetParent}while(a);return [b,c]}