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Ajax.Base=Class.create({initialize:function(a){this.options={method:"post",asynchronous:true,contentType:"application/x-www-form-urlencoded",encoding:"UTF-8",parameters:"",evalJSON:true,evalJS:true};Object.extend(this.options,a||{});this.options.method=this.options.method.toLowerCase();if(Object.isString(this.options.parameters))this.options.parameters=this.options.parameters.toQueryParams();else if(Object.isHash(this.options.parameters))this.options.parameters=this.options.parameters.toObject()}});
Ajax.Request=Class.create(Ajax.Base,{_complete:false,initialize:function($super,b,d){$super(d);this.transport=Ajax.getTransport();this.request(b)},request:function(a){this.url=a;this.method=this.options.method;a=Object.clone(this.options.parameters);if(!["get","post"].include(this.method)){a._method=this.method;this.method="post"}this.parameters=a;if(a=Object.toQueryString(a))if(this.method=="get")this.url+=(this.url.include("?")?"&":"?")+a;else if(/Konqueror|Safari|KHTML/.test(navigator.userAgent))a+=
"&_=";try{var b=new Ajax.Response(this);this.options.onCreate&&this.options.onCreate(b);Ajax.Responders.dispatch("onCreate",this,b);this.transport.open(this.method.toUpperCase(),this.url,this.options.asynchronous);this.options.asynchronous&&this.respondToReadyState.bind(this).defer(1);this.transport.onreadystatechange=this.onStateChange.bind(this);this.setRequestHeaders();this.body=this.method=="post"?this.options.postBody||a:null;this.transport.send(this.body);!this.options.asynchronous&&this.transport.overrideMimeType&&
this.onStateChange()}catch(d){this.dispatchException(d)}},onStateChange:function(){var a=this.transport.readyState;a>1&&!(a==4&&this._complete)&&this.respondToReadyState(this.transport.readyState)},setRequestHeaders:function(){var a={"X-Requested-With":"XMLHttpRequest","X-Prototype-Version":Prototype.Version,Accept:"text/javascript, text/html, application/xml, text/xml, */*"};if(this.method=="post"){a["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)a.Connection="close"}if(typeof this.options.requestHeaders=="object"){var b=this.options.requestHeaders;if(Object.isFunction(b.push))for(var d=0,h=b.length;d<h;d+=2)a[b[d]]=b[d+1];else $H(b).each(function(j){a[j.key]=j.value})}for(var i in a)this.transport.setRequestHeader(i,a[i])},success:function(){var a=this.getStatus();return!a||a>=200&&a<300},getStatus:function(){try{return this.transport.status||
0}catch(a){return 0}},respondToReadyState:function(a){a=Ajax.Request.Events[a];var b=new Ajax.Response(this);if(a=="Complete"){try{this._complete=true;(this.options["on"+b.status]||this.options["on"+(this.success()?"Success":"Failure")]||Prototype.emptyFunction)(b,b.headerJSON)}catch(d){this.dispatchException(d)}var h=b.getHeader("Content-type");if(this.options.evalJS=="force"||this.options.evalJS&&this.isSameOrigin()&&h&&h.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i))this.evalResponse()}try{(this.options["on"+
a]||Prototype.emptyFunction)(b,b.headerJSON);Ajax.Responders.dispatch("on"+a,this,b,b.headerJSON)}catch(i){this.dispatchException(i)}if(a=="Complete")this.transport.onreadystatechange=Prototype.emptyFunction},isSameOrigin:function(){var a=this.url.match(/^\s*https?:\/\/[^\/]*/);return!a||a[0]=="#{protocol}//#{domain}#{port}".interpolate({protocol:location.protocol,domain:document.domain,port:location.port?":"+location.port:""})},getHeader:function(a){try{return this.transport.getResponseHeader(a)||
null}catch(b){return null}},evalResponse:function(){try{return eval((this.transport.responseText||"").unfilterJSON())}catch(a){this.dispatchException(a)}},dispatchException:function(a){(this.options.onException||Prototype.emptyFunction)(this,a);Ajax.Responders.dispatch("onException",this,a)}});Ajax.Request.Events=["Uninitialized","Loading","Loaded","Interactive","Complete"];
Ajax.Response=Class.create({initialize:function(a){this.request=a;a=this.transport=a.transport;var b=this.readyState=a.readyState;if(b>2&&!Prototype.Browser.IE||b==4){this.status=this.getStatus();this.statusText=this.getStatusText();this.responseText=String.interpret(a.responseText);this.headerJSON=this._getHeaderJSON()}if(b==4){a=a.responseXML;this.responseXML=Object.isUndefined(a)?null:a;this.responseJSON=this._getResponseJSON()}},status:0,statusText:"",getStatus:Ajax.Request.prototype.getStatus,
getStatusText:function(){try{return this.transport.statusText||""}catch(a){return""}},getHeader:Ajax.Request.prototype.getHeader,getAllHeaders:function(){try{return this.getAllResponseHeaders()}catch(a){return null}},getResponseHeader:function(a){return this.transport.getResponseHeader(a)},getAllResponseHeaders:function(){return this.transport.getAllResponseHeaders()},_getHeaderJSON:function(){var a=this.getHeader("X-JSON");if(!a)return null;a=decodeURIComponent(escape(a));try{return a.evalJSON(this.request.options.sanitizeJSON||
!this.request.isSameOrigin())}catch(b){this.request.dispatchException(b)}},_getResponseJSON:function(){var a=this.request.options;if(!a.evalJSON||a.evalJSON!="force"&&!(this.getHeader("Content-type")||"").include("application/json")||this.responseText.blank())return null;try{return this.responseText.evalJSON(a.sanitizeJSON||!this.request.isSameOrigin())}catch(b){this.request.dispatchException(b)}}});
Ajax.Updater=Class.create(Ajax.Request,{initialize:function($super,b,d,h){this.container={success:b.success||b,failure:b.failure||(b.success?null:b)};h=Object.clone(h);var i=h.onComplete;h.onComplete=function(j,m){this.updateContent(j.responseText);Object.isFunction(i)&&i(j,m)}.bind(this);$super(d,h)},updateContent:function(a){var b=this.container[this.success()?"success":"failure"],d=this.options;d.evalScripts||(a=a.stripScripts());if(b=$(b))if(d.insertion)if(Object.isString(d.insertion)){var h=
{};h[d.insertion]=a;b.insert(h)}else d.insertion(b,a);else b.update(a)}});
Ajax.PeriodicalUpdater=Class.create(Ajax.Base,{initialize:function($super,b,d,h){$super(h);this.onComplete=this.options.onComplete;this.frequency=this.options.frequency||2;this.decay=this.options.decay||1;this.updater={};this.container=b;this.url=d;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(a){if(this.options.decay){this.decay=a.responseText==this.lastText?this.decay*this.options.decay:1;this.lastText=a.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 $(a){if(arguments.length>1){for(var b=0,d=[],h=arguments.length;b<h;b++)d.push($(arguments[b]));return d}if(Object.isString(a))a=document.getElementById(a);return Element.extend(a)}if(Prototype.BrowserFeatures.XPath)document._getElementsByXPath=function(a,b){var d=[];a=document.evaluate(a,$(b)||document,null,XPathResult.ORDERED_NODE_SNAPSHOT_TYPE,null);b=0;for(var h=a.snapshotLength;b<h;b++)d.push(Element.extend(a.snapshotItem(b)));return d};if(!Node)var Node={};
Node.ELEMENT_NODE||Object.extend(Node,{ELEMENT_NODE:1,ATTRIBUTE_NODE:2,TEXT_NODE:3,CDATA_SECTION_NODE:4,ENTITY_REFERENCE_NODE:5,ENTITY_NODE:6,PROCESSING_INSTRUCTION_NODE:7,COMMENT_NODE:8,DOCUMENT_NODE:9,DOCUMENT_TYPE_NODE:10,DOCUMENT_FRAGMENT_NODE:11,NOTATION_NODE:12});
(function(a){var b=function(){try{var h=document.createElement('<input name="x">');return h.tagName.toLowerCase()==="input"&&h.name==="x"}catch(i){return false}}(),d=a.Element;a.Element=function(h,i){i=i||{};h=h.toLowerCase();var j=Element.cache;if(b&&i.name){h="<"+h+' name="'+i.name+'">';delete i.name;return Element.writeAttribute(document.createElement(h),i)}j[h]||(j[h]=Element.extend(document.createElement(h)));return Element.writeAttribute(j[h].cloneNode(false),i)};Object.extend(a.Element,d||
{});if(d)a.Element.prototype=d.prototype})(this);Element.idCounter=1;Element.cache={};function purgeElement(a){var b=a._prototypeUID;if(b){Element.stopObserving(a);a._prototypeUID=void 0;delete Element.Storage[b]}}
Element.Methods={visible:function(a){return $(a).style.display!="none"},toggle:function(a){a=$(a);Element[Element.visible(a)?"hide":"show"](a);return a},hide:function(a){a=$(a);a.style.display="none";return a},show:function(a){a=$(a);a.style.display="";return a},remove:function(a){a=$(a);a.parentNode.removeChild(a);return a},update:function(){function a(i,j){i=$(i);for(var m=i.getElementsByTagName("*"),s=m.length;s--;)purgeElement(m[s]);if(j&&j.toElement)j=j.toElement();if(Object.isElement(j))return i.update().insert(j);
j=Object.toHTML(j);m=i.tagName.toUpperCase();if(m==="SCRIPT"&&h){i.text=j;return i}if(b||d)if(m in Element._insertionTranslations.tags){for(;i.firstChild;)i.removeChild(i.firstChild);Element._getContentFromAnonymousElement(m,j.stripScripts()).each(function(r){i.appendChild(r)})}else i.innerHTML=j.stripScripts();else i.innerHTML=j.stripScripts();j.evalScripts.bind(j).defer();return i}var b=function(){var i=document.createElement("select"),j=true;i.innerHTML='<option value="test">test</option>';if(i.options&&
i.options[0])j=i.options[0].nodeName.toUpperCase()!=="OPTION";return j}(),d=function(){try{var i=document.createElement("table");if(i&&i.tBodies){i.innerHTML="<tbody><tr><td>test</td></tr></tbody>";return typeof i.tBodies[0]=="undefined"}}catch(j){return true}}(),h=function(){var i=document.createElement("script"),j=false;try{i.appendChild(document.createTextNode(""));j=!i.firstChild||i.firstChild&&i.firstChild.nodeType!==3}catch(m){j=true}return j}();return a}(),replace:function(a,b){a=$(a);if(b&&
b.toElement)b=b.toElement();else if(!Object.isElement(b)){b=Object.toHTML(b);var d=a.ownerDocument.createRange();d.selectNode(a);b.evalScripts.bind(b).defer();b=d.createContextualFragment(b.stripScripts())}a.parentNode.replaceChild(b,a);return a},insert:function(a,b){a=$(a);if(Object.isString(b)||Object.isNumber(b)||Object.isElement(b)||b&&(b.toElement||b.toHTML))b={bottom:b};var d,h,i;for(var j in b){d=b[j];j=j.toLowerCase();h=Element._insertionTranslations[j];if(d&&d.toElement)d=d.toElement();if(Object.isElement(d))h(a,
d);else{d=Object.toHTML(d);i=(j=="before"||j=="after"?a.parentNode:a).tagName.toUpperCase();i=Element._getContentFromAnonymousElement(i,d.stripScripts());if(j=="top"||j=="after")i.reverse();i.each(h.curry(a));d.evalScripts.bind(d).defer()}}return a},wrap:function(a,b,d){a=$(a);if(Object.isElement(b))$(b).writeAttribute(d||{});else b=Object.isString(b)?new Element(b,d):new Element("div",b);a.parentNode&&a.parentNode.replaceChild(b,a);b.appendChild(a);return b},inspect:function(a){a=$(a);var b="<"+
a.tagName.toLowerCase();$H({id:"id",className:"class"}).each(function(d){var h=d.first();d=d.last();if(h=(a[h]||"").toString())b+=" "+d+"="+h.inspect(true)});return b+">"},recursivelyCollect:function(a,b,d){a=$(a);d=d||-1;for(var h=[];a=a[b];){a.nodeType==1&&h.push(Element.extend(a));if(h.length==d)break}return h},ancestors:function(a){return Element.recursivelyCollect(a,"parentNode")},descendants:function(a){return Element.select(a,"*")},firstDescendant:function(a){for(a=$(a).firstChild;a&&a.nodeType!=
1;)a=a.nextSibling;return $(a)},immediateDescendants:function(a){var b=[];for(a=$(a).firstChild;a;){a.nodeType===1&&b.push(Element.extend(a));a=a.nextSibling}return b},previousSiblings:function(a){return Element.recursivelyCollect(a,"previousSibling")},nextSiblings:function(a){return Element.recursivelyCollect(a,"nextSibling")},siblings:function(a){a=$(a);return Element.previousSiblings(a).reverse().concat(Element.nextSiblings(a))},match:function(a,b){a=$(a);if(Object.isString(b))return Prototype.Selector.match(a,
b);return b.match(a)},up:function(a,b,d){a=$(a);if(arguments.length==1)return $(a.parentNode);var h=Element.ancestors(a);return Object.isNumber(b)?h[b]:Prototype.Selector.find(h,b,d)},down:function(a,b,d){a=$(a);if(arguments.length==1)return Element.firstDescendant(a);return Object.isNumber(b)?Element.descendants(a)[b]:Element.select(a,b)[d||0]},previous:function(a,b,d){a=$(a);if(Object.isNumber(b)){d=b;b=false}Object.isNumber(d)||(d=0);return b?Prototype.Selector.find(a.previousSiblings(),b,d):a.recursivelyCollect("previousSibling",
d+1)[d]},next:function(a,b,d){a=$(a);if(Object.isNumber(b)){d=b;b=false}Object.isNumber(d)||(d=0);if(b)return Prototype.Selector.find(a.nextSiblings(),b,d);else{Object.isNumber(d);return a.recursivelyCollect("nextSibling",d+1)[d]}},select:function(a){a=$(a);var b=Array.prototype.slice.call(arguments,1).join(", ");return Prototype.Selector.select(b,a)},adjacent:function(a){a=$(a);var b=Array.prototype.slice.call(arguments,1).join(", ");return Prototype.Selector.select(b,a.parentNode).without(a)},identify:function(a){a=
$(a);var b=Element.readAttribute(a,"id");if(b)return b;do b="anonymous_element_"+Element.idCounter++;while($(b));Element.writeAttribute(a,"id",b);return b},readAttribute:function(a,b){a=$(a);if(Prototype.Browser.IE){var d=Element._attributeTranslations.read;if(d.values[b])return d.values[b](a,b);if(d.names[b])b=d.names[b];if(b.include(":"))return!a.attributes||!a.attributes[b]?null:a.attributes[b].value}return a.getAttribute(b)},writeAttribute:function(a,b,d){a=$(a);var h={},i=Element._attributeTranslations.write;
if(typeof b=="object")h=b;else h[b]=Object.isUndefined(d)?true:d;for(var j in h){b=i.names[j]||j;d=h[j];if(i.values[j])b=i.values[j](a,d);if(d===false||d===null)a.removeAttribute(b);else d===true?a.setAttribute(b,b):a.setAttribute(b,d)}return a},getHeight:function(a){return Element.getDimensions(a).height},getWidth:function(a){return Element.getDimensions(a).width},classNames:function(a){return new Element.ClassNames(a)},hasClassName:function(a,b){if(a=$(a)){a=a.className;return a.length>0&&(a==b||
(new RegExp("(^|\\s)"+b+"(\\s|$)")).test(a))}},addClassName:function(a,b){if(a=$(a)){Element.hasClassName(a,b)||(a.className+=(a.className?" ":"")+b);return a}},removeClassName:function(a,b){if(a=$(a)){a.className=a.className.replace(new RegExp("(^|\\s+)"+b+"(\\s+|$)")," ").strip();return a}},toggleClassName:function(a,b){if(a=$(a))return Element[Element.hasClassName(a,b)?"removeClassName":"addClassName"](a,b)},cleanWhitespace:function(a){a=$(a);for(var b=a.firstChild;b;){var d=b.nextSibling;b.nodeType==
3&&!/\S/.test(b.nodeValue)&&a.removeChild(b);b=d}return a},empty:function(a){return $(a).innerHTML.blank()},descendantOf:function(a,b){a=$(a);b=$(b);if(a.compareDocumentPosition)return(a.compareDocumentPosition(b)&8)===8;if(b.contains)return b.contains(a)&&b!==a;for(;a=a.parentNode;)if(a==b)return true;return false},scrollTo:function(a){a=$(a);var b=Element.cumulativeOffset(a);window.scrollTo(b[0],b[1]);return a},getStyle:function(a,b){a=$(a);b=b=="float"?"cssFloat":b.camelize();var d=a.style[b];
if(!d||d=="auto")d=(a=document.defaultView.getComputedStyle(a,null))?a[b]:null;if(b=="opacity")return d?parseFloat(d):1;return d=="auto"?null:d},getOpacity:function(a){return $(a).getStyle("opacity")},setStyle:function(a,b){a=$(a);var d=a.style;if(Object.isString(b)){a.style.cssText+=";"+b;return b.include("opacity")?a.setOpacity(b.match(/opacity:\s*(\d?\.?\d*)/)[1]):a}for(var h in b)if(h=="opacity")a.setOpacity(b[h]);else d[h=="float"||h=="cssFloat"?Object.isUndefined(d.styleFloat)?"cssFloat":"styleFloat":
h]=b[h];return a},setOpacity:function(a,b){a=$(a);a.style.opacity=b==1||b===""?"":b<1.0E-5?0:b;return a},makePositioned:function(a){a=$(a);var b=Element.getStyle(a,"position");if(b=="static"||!b){a._madePositioned=true;a.style.position="relative";if(Prototype.Browser.Opera){a.style.top=0;a.style.left=0}}return a},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=""}return a},makeClipping:function(a){a=
$(a);if(a._overflow)return a;a._overflow=Element.getStyle(a,"overflow")||"auto";if(a._overflow!=="hidden")a.style.overflow="hidden";return a},undoClipping:function(a){a=$(a);if(!a._overflow)return a;a.style.overflow=a._overflow=="auto"?"":a._overflow;a._overflow=null;return a},cumulativeOffset:function(a){var b=0,d=0;if(a.parentNode){do{b+=a.offsetTop||0;d+=a.offsetLeft||0;a=a.offsetParent}while(a)}return Element._returnOffset(d,b)},positionedOffset:function(a){var b=0,d=0;do{b+=a.offsetTop||0;d+=
a.offsetLeft||0;if(a=a.offsetParent){if(a.tagName.toUpperCase()=="BODY")break;if(Element.getStyle(a,"position")!=="static")break}}while(a);return Element._returnOffset(d,b)},absolutize:function(a){a=$(a);if(Element.getStyle(a,"position")=="absolute")return a;var b=Element.positionedOffset(a),d=b[1];b=b[0];var h=a.clientWidth,i=a.clientHeight;a._originalLeft=b-parseFloat(a.style.left||0);a._originalTop=d-parseFloat(a.style.top||0);a._originalWidth=a.style.width;a._originalHeight=a.style.height;a.style.position=
"absolute";a.style.top=d+"px";a.style.left=b+"px";a.style.width=h+"px";a.style.height=i+"px";return a},relativize:function(a){a=$(a);if(Element.getStyle(a,"position")=="relative")return a;a.style.position="relative";var b=parseFloat(a.style.top||0)-(a._originalTop||0),d=parseFloat(a.style.left||0)-(a._originalLeft||0);a.style.top=b+"px";a.style.left=d+"px";a.style.height=a._originalHeight;a.style.width=a._originalWidth;return a},cumulativeScrollOffset:function(a){var b=0,d=0;do{b+=a.scrollTop||0;
d+=a.scrollLeft||0;a=a.parentNode}while(a);return Element._returnOffset(d,b)},getOffsetParent:function(a){if(a.offsetParent)return $(a.offsetParent);if(a==document.body)return $(a);for(;(a=a.parentNode)&&a!=document.body;)if(Element.getStyle(a,"position")!="static")return $(a);return $(document.body)},viewportOffset:function(a){var b=0,d=0,h=a;do{b+=h.offsetTop||0;d+=h.offsetLeft||0;if(h.offsetParent==document.body&&Element.getStyle(h,"position")=="absolute")break}while(h=h.offsetParent);h=a;do if(!Prototype.Browser.Opera||
h.tagName&&h.tagName.toUpperCase()=="BODY"){b-=h.scrollTop||0;d-=h.scrollLeft||0}while(h=h.parentNode);return Element._returnOffset(d,b)},clonePosition:function(a,b,d){d=Object.extend({setLeft:true,setTop:true,setWidth:true,setHeight:true,offsetTop:0,offsetLeft:0},d||{});b=$(b);var h=Element.viewportOffset(b),i=[0,0],j=null;a=$(a);if(Element.getStyle(a,"position")=="absolute"){j=Element.getOffsetParent(a);i=Element.viewportOffset(j)}if(j==document.body){i[0]-=document.body.offsetLeft;i[1]-=document.body.offsetTop}if(d.setLeft)a.style.left=
h[0]-i[0]+d.offsetLeft+"px";if(d.setTop)a.style.top=h[1]-i[1]+d.offsetTop+"px";if(d.setWidth)a.style.width=b.offsetWidth+"px";if(d.setHeight)a.style.height=b.offsetHeight+"px";return a}};Object.extend(Element.Methods,{getElementsBySelector:Element.Methods.select,childElements:Element.Methods.immediateDescendants});Element._attributeTranslations={write:{names:{className:"class",htmlFor:"for"},values:{}}};
if(Prototype.Browser.Opera){Element.Methods.getStyle=Element.Methods.getStyle.wrap(function(a,b,d){switch(d){case "left":case "top":case "right":case "bottom":if(a(b,"position")==="static")return null;case "height":case "width":if(!Element.visible(b))return null;var h=parseInt(a(b,d),10);if(h!==b["offset"+d.capitalize()])return h+"px";return(d==="height"?["border-top-width","padding-top","padding-bottom","border-bottom-width"]:["border-left-width","padding-left","padding-right","border-right-width"]).inject(h,
function(i,j){j=a(b,j);return j===null?i:i-parseInt(j,10)})+"px";default:return a(b,d)}});Element.Methods.readAttribute=Element.Methods.readAttribute.wrap(function(a,b,d){if(d==="title")return b.title;return a(b,d)})}else if(Prototype.Browser.IE){Element.Methods.getOffsetParent=Element.Methods.getOffsetParent.wrap(function(a,b){b=$(b);if(!b.parentNode)return $(document.body);var d=b.getStyle("position");if(d!=="static")return a(b);b.setStyle({position:"relative"});a=a(b);b.setStyle({position:d});
return a});$w("positionedOffset viewportOffset").each(function(a){Element.Methods[a]=Element.Methods[a].wrap(function(b,d){d=$(d);if(!d.parentNode)return Element._returnOffset(0,0);var h=d.getStyle("position");if(h!=="static")return b(d);var i=d.getOffsetParent();i&&i.getStyle("position")==="fixed"&&i.setStyle({zoom:1});d.setStyle({position:"relative"});b=b(d);d.setStyle({position:h});return b})});Element.Methods.getStyle=function(a,b){a=$(a);b=b=="float"||b=="cssFloat"?"styleFloat":b.camelize();
var d=a.style[b];if(!d&&a.currentStyle)d=a.currentStyle[b];if(b=="opacity"){if(d=(a.getStyle("filter")||"").match(/alpha\(opacity=(.*)\)/))if(d[1])return parseFloat(d[1])/100;return 1}if(d=="auto"){if((b=="width"||b=="height")&&a.getStyle("display")!="none")return a["offset"+b.capitalize()]+"px";return null}return d};Element.Methods.setOpacity=function(a,b){function d(j){return j.replace(/alpha\([^\)]*\)/gi,"")}a=$(a);var h=a.currentStyle;if(h&&!h.hasLayout||!h&&a.style.zoom=="normal")a.style.zoom=
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Element._insertionTranslations={before:function(a,b){a.parentNode.insertBefore(b,a)},top:function(a,b){a.insertBefore(b,a.firstChild)},bottom:function(a,b){a.appendChild(b)},after:function(a,b){a.parentNode.insertBefore(b,a.nextSibling)},tags:{TABLE:["<table>","</table>",1],TBODY:["<table><tbody>","</tbody></table>",2],TR:["<table><tbody><tr>","</tr></tbody></table>",3],TD:["<table><tbody><tr><td>","</td></tr></tbody></table>",4],SELECT:["<select>","</select>",1]}};
(function(){var a=Element._insertionTranslations.tags;Object.extend(a,{THEAD:a.TBODY,TFOOT:a.TBODY,TH:a.TD})})();Element.Methods.Simulated={hasAttribute:function(a,b){b=Element._attributeTranslations.has[b]||b;a=$(a).getAttributeNode(b);return!!(a&&a.specified)}};Element.Methods.ByTag={};Object.extend(Element,Element.Methods);
(function(a){if(!Prototype.BrowserFeatures.ElementExtensions&&a.__proto__){window.HTMLElement={};window.HTMLElement.prototype=a.__proto__;Prototype.BrowserFeatures.ElementExtensions=true}})(document.createElement("div"));
Element.extend=function(){function a(j){if(typeof window.Element!="undefined"){var m=window.Element.prototype;if(m){var s="_"+(Math.random()+"").slice(2);j=document.createElement(j);m[s]="x";j=j[s]!=="x";delete m[s];return j}}return false}function b(j,m){for(var s in m){var r=m[s];if(Object.isFunction(r)&&!(s in j))j[s]=r.methodize()}}var d=a("object");if(Prototype.BrowserFeatures.SpecificElementExtensions){if(d)return function(j){if(j&&typeof j._extendedByPrototype=="undefined"){var m=j.tagName;
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Element.Methods);Object.extend(h,Element.Methods.Simulated)}}});d.refresh();return d}();Element.hasAttribute=document.documentElement.hasAttribute?function(a,b){return a.hasAttribute(b)}:Element.Methods.Simulated.hasAttribute;
Element.addMethods=function(a){function b(r){r=r.toUpperCase();Element.Methods.ByTag[r]||(Element.Methods.ByTag[r]={});Object.extend(Element.Methods.ByTag[r],a)}function d(r,B,D){D=D||false;for(var w in r){var C=r[w];if(Object.isFunction(C))if(!D||!(w in B))B[w]=C.methodize()}}function h(r){var B,D={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(D[r])B="HTML"+D[r]+"Element";if(window[B])return window[B];B="HTML"+r+"Element";if(window[B])return window[B];B="HTML"+r.capitalize()+"Element";if(window[B])return window[B];r=document.createElement(r);return r.__proto__||r.constructor.prototype}
var i=Prototype.BrowserFeatures,j=Element.Methods.ByTag;if(!a){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)})}if(arguments.length==2){var m=a;a=arguments[1]}if(m)Object.isArray(m)?m.each(b):b(m);else Object.extend(Element.Methods,a||{});m=window.HTMLElement?HTMLElement.prototype:
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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(a){function b(){if(h.WebKit&&!i.evaluate)return document;if(h.Opera&&window.parseFloat(window.opera.version())<9.5)return document.body;return document.documentElement}function d(s){j||(j=b());m[s]="client"+s;a["get"+s]=function(){return j[m[s]]};return a["get"+s]()}var h=Prototype.Browser,i=document,j,m={};a.getWidth=d.curry("Width");a.getHeight=d.curry("Height")})(document.viewport);Element.Storage={UID:1};
Element.addMethods({getStorage:function(a){if(a=$(a)){if(a===window)a=0;else{if(typeof a._prototypeUID==="undefined")a._prototypeUID=Element.Storage.UID++;a=a._prototypeUID}Element.Storage[a]||(Element.Storage[a]=$H());return Element.Storage[a]}},store:function(a,b,d){if(a=$(a)){arguments.length===2?Element.getStorage(a).update(b):Element.getStorage(a).set(b,d);return a}},retrieve:function(a,b,d){if(a=$(a)){a=Element.getStorage(a);var h=a.get(b);if(Object.isUndefined(h)){a.set(b,d);h=d}return h}},
clone:function(a,b){if(a=$(a)){a=a.cloneNode(b);a._prototypeUID=void 0;if(b){b=Element.select(a,"*");for(var d=b.length;d--;)b[d]._prototypeUID=void 0}return Element.extend(a)}},purge:function(a){if(a=$(a)){purgeElement(a);a=a.getElementsByTagName("*");for(var b=a.length;b--;)purgeElement(a[b]);return null}}});
(function(){function a(c){c=c.match(/^(\d+)%?$/i);if(!c)return null;return Number(c[1])/100}function b(c,e){if(Object.isElement(c)){element=c;c=element.getStyle(e)}if(c===null)return null;if(/^(?:-)?\d+(\.\d+)?(px)?$/i.test(c))return window.parseFloat(c);if(/\d/.test(c)&&element.runtimeStyle){e=element.style.left;var g=element.runtimeStyle.left;element.runtimeStyle.left=element.currentStyle.left;element.style.left=c||0;c=element.style.pixelLeft;element.style.left=e;element.runtimeStyle.left=g;return c}if(c.include("%")){c=
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function m(c){c=$(c).getLayout();return{width:c.get("width"),height:c.get("height")}}function s(c){if(v(c))return $(document.body);if(Element.getStyle(c,"display")!=="inline"&&c.offsetParent)return $(c.offsetParent);if(c===document.body)return $(c);for(;(c=c.parentNode)&&c!==document.body;)if(Element.getStyle(c,"position")!=="static")return c.nodeName==="HTML"?$(document.body):$(c);return $(document.body)}function r(c){var e=0,g=0;do{e+=c.offsetTop||0;g+=c.offsetLeft||0;c=c.offsetParent}while(c);
return new Element.Offset(g,e)}function B(c){var e=c.getLayout(),g=0,k=0;do{g+=c.offsetTop||0;k+=c.offsetLeft||0;if(c=c.offsetParent){if(J(c))break;if(Element.getStyle(c,"position")!=="static")break}}while(c);k-=e.get("margin-top");g-=e.get("margin-left");return new Element.Offset(k,g)}function D(c){var e=0,g=0;do{e+=c.scrollTop||0;g+=c.scrollLeft||0;c=c.parentNode}while(c);return new Element.Offset(g,e)}function w(c){var e=0,g=0,k=document.body,o=c;do{e+=o.offsetTop||0;g+=o.offsetLeft||0;if(o.offsetParent==
k&&Element.getStyle(o,"position")=="absolute")break}while(o=o.offsetParent);o=c;do if(o!=k){e-=o.scrollTop||0;g-=o.scrollLeft||0}while(o=o.parentNode);return new Element.Offset(g,e)}function C(c){c=$(c);if(Element.getStyle(c,"position")==="absolute")return c;var e=s(c),g=c.viewportOffset();e=e.viewportOffset();g=g.relativeTo(e);e=c.getLayout();c.store("prototype_absolutize_original_styles",{left:c.getStyle("left"),top:c.getStyle("top"),width:c.getStyle("width"),height:c.getStyle("height")});c.setStyle({position:"absolute",
top:g.top+"px",left:g.left+"px",width:e.get("width")+"px",height:e.get("height")+"px"});return c}function H(c){c=$(c);if(Element.getStyle(c,"position")==="relative")return c;var e=c.retrieve("prototype_absolutize_original_styles");e&&c.setStyle(e);return c}function J(c){return c.nodeName.toUpperCase()==="BODY"}function v(c){return c!==document.body&&!Element.descendantOf(c,document.body)}var A=Prototype.K;if("currentStyle"in document.documentElement)A=function(c){if(!c.currentStyle.hasLayout)c.style.zoom=
1;return c};Element.Layout=Class.create(Hash,{initialize:function($super,e,g){$super();this.element=$(e);Element.Layout.PROPERTIES.each(function(k){this._set(k,null)},this);if(g){this._preComputing=true;this._begin();Element.Layout.PROPERTIES.each(this._compute,this);this._end();this._preComputing=false}},_set:function(c,e){return Hash.prototype.set.call(this,c,e)},set:function(){throw"Properties of Element.Layout are read-only.";},get:function($super,e){var g=$super(e);return g===null?this._compute(e):
g},_begin:function(){if(!this._prepared){var c=this.element;if(!d(c)){c.store("prototype_original_styles",{position:c.style.position||"",width:c.style.width||"",visibility:c.style.visibility||"",display:c.style.display||""});var e=c.getStyle("position"),g=c.getStyle("width");c.setStyle({position:"absolute",visibility:"hidden",display:"block"});var k=c.getStyle("width");e=g&&k===g?b(g):g&&(e==="absolute"||e==="fixed")?b(g):$(c.parentNode).getLayout().get("width")-this.get("margin-left")-this.get("border-left")-
this.get("padding-left")-this.get("padding-right")-this.get("border-right")-this.get("margin-right");c.setStyle({width:e+"px"})}this._prepared=true}},_end:function(){var c=this.element,e=c.retrieve("prototype_original_styles");c.store("prototype_original_styles",null);c.setStyle(e);this._prepared=false},_compute:function(c){var e=Element.Layout.COMPUTATIONS;if(!(c in e))throw"Property not found.";return this._set(c,e[c].call(this,this.element))},toObject:function(){var c=$A(arguments),e={};(c.length===
0?Element.Layout.PROPERTIES:c.join(" ").split(" ")).each(function(g){if(Element.Layout.PROPERTIES.include(g)){var k=this.get(g);if(k!=null)e[g]=k}},this);return e},toHash:function(){var c=this.toObject.apply(this,arguments);return new Hash(c)},toCSS:function(){var c=$A(arguments),e={};(c.length===0?Element.Layout.PROPERTIES:c.join(" ").split(" ")).each(function(g){if(Element.Layout.PROPERTIES.include(g))if(!Element.Layout.COMPOSITE_PROPERTIES.include(g)){var k=this.get(g);if(k!=null)e[h(g)]=k+"px"}},
this);return e},inspect:function(){return"#<Element.Layout>"}});Object.extend(Element.Layout,{PROPERTIES:$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(){this._preComputing||this._begin();var c=this.get("border-box-height");if(c<=0)return 0;var e=this.get("border-top"),g=this.get("border-bottom"),k=this.get("padding-top"),o=this.get("padding-bottom");this._preComputing||this._end();return c-e-g-k-o},width:function(){this._preComputing||this._begin();var c=this.get("border-box-width");if(c<=0)return 0;var e=this.get("border-left"),g=this.get("border-right"),k=this.get("padding-left"),o=this.get("padding-right");this._preComputing||
this._end();return c-e-g-k-o},"padding-box-height":function(){var c=this.get("height"),e=this.get("padding-top"),g=this.get("padding-bottom");return c+e+g},"padding-box-width":function(){var c=this.get("width"),e=this.get("padding-left"),g=this.get("padding-right");return c+e+g},"border-box-height":function(c){return c.offsetHeight},"border-box-width":function(c){return c.offsetWidth},"margin-box-height":function(){var c=this.get("border-box-height"),e=this.get("margin-top"),g=this.get("margin-bottom");
if(c<=0)return 0;return c+e+g},"margin-box-width":function(){var c=this.get("border-box-width"),e=this.get("margin-left"),g=this.get("margin-right");if(c<=0)return 0;return c+e+g},top:function(c){return c.positionedOffset().top},bottom:function(c){var e=c.positionedOffset();c=c.getOffsetParent().measure("height");var g=this.get("border-box-height");return c-g-e.top},left:function(c){return c.positionedOffset().left},right:function(c){var e=c.positionedOffset();c=c.getOffsetParent().measure("width");
var g=this.get("border-box-width");return c-g-e.left},"padding-top":function(c){return b(c,"paddingTop")},"padding-bottom":function(c){return b(c,"paddingBottom")},"padding-left":function(c){return b(c,"paddingLeft")},"padding-right":function(c){return b(c,"paddingRight")},"border-top":function(c){return Object.isNumber(c.clientTop)?c.clientTop:b(c,"borderTopWidth")},"border-bottom":function(c){return Object.isNumber(c.clientBottom)?c.clientBottom:b(c,"borderBottomWidth")},"border-left":function(c){return Object.isNumber(c.clientLeft)?
c.clientLeft:b(c,"borderLeftWidth")},"border-right":function(c){return Object.isNumber(c.clientRight)?c.clientRight:b(c,"borderRightWidth")},"margin-top":function(c){return b(c,"marginTop")},"margin-bottom":function(c){return b(c,"marginBottom")},"margin-left":function(c){return b(c,"marginLeft")},"margin-right":function(c){return b(c,"marginRight")}}});"getBoundingClientRect"in document.documentElement&&Object.extend(Element.Layout.COMPUTATIONS,{right:function(c){var e=A(c.getOffsetParent());c=c.getBoundingClientRect();
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toArray:function(){return[this.left,this.top]}});Element.addMethods({getLayout:i,measure:j,getDimensions:m,getOffsetParent:s,cumulativeOffset:r,positionedOffset:B,cumulativeScrollOffset:D,viewportOffset:w,absolutize:C,relativize:H});"getBoundingClientRect"in document.documentElement&&Element.addMethods({viewportOffset:function(c){c=$(c);if(v(c))return new Element.Offset(0,0);c=c.getBoundingClientRect();var e=document.documentElement;return new Element.Offset(c.left-e.clientLeft,c.top-e.clientTop)},
positionedOffset:function(c){c=$(c);var e=c.getOffsetParent();if(v(c))return new Element.Offset(0,0);if(c.offsetParent&&c.offsetParent.nodeName.toUpperCase()==="HTML")return B(c);var g=c.viewportOffset();e=J(e)?w(e):e.viewportOffset();g=g.relativeTo(e);e=c.getLayout();c=g.top-e.get("margin-top");g=g.left-e.get("margin-left");return new Element.Offset(g,c)}})})();window.$$=function(){var a=$A(arguments).join(", ");return Prototype.Selector.select(a,document)};
Prototype.Selector=function(){function a(){throw new Error('Method "Prototype.Selector.select" must be defined.');}function b(){throw new Error('Method "Prototype.Selector.match" must be defined.');}function d(j,m,s){s=s||0;var r=Prototype.Selector.match,B=j.length,D=0,w;for(w=0;w<B;w++)if(r(j[w],m)&&s==D++)return Element.extend(j[w])}function h(j){for(var m=0,s=j.length;m<s;m++)Element.extend(j[m]);return j}var i=Prototype.K;return{select:a,match:b,find:d,extendElements:Element.extend===i?i:h,extendElement:Element.extend}}();
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(function(){function a(f){return e(f,0)}function b(f){return e(f,1)}function d(f){return e(f,2)}function h(f){f=v.extend(f);var p=f.target,y=f.type;if((f=f.currentTarget)&&f.tagName)if(y==="load"||y==="error"||y==="click"&&f.tagName.toLowerCase()==="input"&&f.type==="radio")p=f;if(p.nodeType==Node.TEXT_NODE)p=p.parentNode;return Element.extend(p)}function i(f,p){f=v.element(f);if(!p)return f;for(;f;){if(Object.isElement(f)&&Prototype.Selector.match(f,p))return Element.extend(f);f=f.parentNode}}function j(f){return{x:m(f),
y:s(f)}}function m(f){var p=document.documentElement,y=document.body||{scrollLeft:0};return f.pageX||f.clientX+(p.scrollLeft||y.scrollLeft)-(p.clientLeft||0)}function s(f){var p=document.documentElement,y=document.body||{scrollTop:0};return f.pageY||f.clientY+(p.scrollTop||y.scrollTop)-(p.clientTop||0)}function r(f){v.extend(f);f.preventDefault();f.stopPropagation();f.stopped=true}function B(f,p,y){var I=Element.retrieve(f,"prototype_event_registry");if(Object.isUndefined(I)){l.push(f);I=Element.retrieve(f,
"prototype_event_registry",$H())}var F=I.get(p);if(Object.isUndefined(F)){F=[];I.set(p,F)}if(F.pluck("handler").include(y))return false;var u;if(p.include(":"))u=function(z){if(Object.isUndefined(z.eventName))return false;if(z.eventName!==p)return false;v.extend(z,f);y.call(f,z)};else if(!c&&(p==="mouseenter"||p==="mouseleave")){if(p==="mouseenter"||p==="mouseleave")u=function(z){v.extend(z,f);for(var t=z.relatedTarget;t&&t!==f;)try{t=t.parentNode}catch(x){t=f}t!==f&&y.call(f,z)}}else u=function(z){v.extend(z,
f);y.call(f,z)};u.handler=y;F.push(u);return u}function D(){for(var f=0,p=l.length;f<p;f++){v.stopObserving(l[f]);l[f]=null}}function w(f,p,y){f=$(f);y=B(f,p,y);if(!y)return f;if(p.include(":"))if(f.addEventListener)f.addEventListener("dataavailable",y,false);else{f.attachEvent("ondataavailable",y);f.attachEvent("onfilterchange",y)}else{p=n(p);f.addEventListener?f.addEventListener(p,y,false):f.attachEvent("on"+p,y)}return f}function C(f,p,y){f=$(f);var I=Element.retrieve(f,"prototype_event_registry");
if(!I)return f;if(!p){I.each(function(t){C(f,t.key)});return f}var F=I.get(p);if(!F)return f;if(!y){F.each(function(t){C(f,p,t.handler)});return f}var u=F.find(function(t){return t.handler===y});if(!u)return f;if(p.include(":"))if(f.removeEventListener)f.removeEventListener("dataavailable",u,false);else{f.detachEvent("ondataavailable",u);f.detachEvent("onfilterchange",u)}else{var z=n(p);f.removeEventListener?f.removeEventListener(z,u,false):f.detachEvent("on"+z,u)}I.set(p,F.without(u));return f}function H(f,
p,y,I){f=$(f);if(Object.isUndefined(I))I=true;if(f==document&&document.createEvent&&!f.dispatchEvent)f=document.documentElement;var F;if(document.createEvent){F=document.createEvent("HTMLEvents");F.initEvent("dataavailable",true,true)}else{F=document.createEventObject();F.eventType=I?"ondataavailable":"onfilterchange"}F.eventName=p;F.memo=y||{};document.createEvent?f.dispatchEvent(F):f.fireEvent(F.eventType,F);return v.extend(F)}function J(f,p,y,I){f=$(f);if(Object.isFunction(y)&&Object.isUndefined(I)){I=
y;y=null}return(new v.Handler(f,p,y,I)).start()}var v={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:{}},A=document.documentElement,c="onmouseenter"in A&&"onmouseleave"in A,e;if(Prototype.Browser.IE){var g={0:1,1:4,2:2};e=function(f,p){return f.button===g[p]}}else e=Prototype.Browser.WebKit?function(f,p){switch(p){case 0:return f.which==1&&!f.metaKey;case 1:return f.which==
1&&f.metaKey;default:return false}}:function(f,p){return f.which?f.which===p+1:f.button===p};v.Methods={isLeftClick:a,isMiddleClick:b,isRightClick:d,element:h,findElement:i,pointer:j,pointerX:m,pointerY:s,stop:r};var k=Object.keys(v.Methods).inject({},function(f,p){f[p]=v.Methods[p].methodize();return f});if(Prototype.Browser.IE){var o=function(f){switch(f.type){case "mouseover":f=f.fromElement;break;case "mouseout":f=f.toElement;break;default:return null}return Element.extend(f)};Object.extend(k,
{stopPropagation:function(){this.cancelBubble=true},preventDefault:function(){this.returnValue=false},inspect:function(){return"[object Event]"}});v.extend=function(f,p){if(!f)return false;if(f._extendedByPrototype)return f;f._extendedByPrototype=Prototype.emptyFunction;var y=v.pointer(f);Object.extend(f,{target:f.srcElement||p,relatedTarget:o(f),pageX:y.x,pageY:y.y});return Object.extend(f,k)}}else{v.prototype=window.Event.prototype||document.createEvent("HTMLEvents").__proto__;Object.extend(v.prototype,
k);v.extend=Prototype.K}var l=[];Prototype.Browser.IE&&window.attachEvent("onunload",D);Prototype.Browser.WebKit&&window.addEventListener("unload",Prototype.emptyFunction,false);var n=Prototype.K,q={mouseenter:"mouseover",mouseleave:"mouseout"};c||(n=function(f){return q[f]||f});v.Handler=Class.create({initialize:function(f,p,y,I){this.element=$(f);this.eventName=p;this.selector=y;this.callback=I;this.handler=this.handleEvent.bind(this)},start:function(){v.observe(this.element,this.eventName,this.handler);
return this},stop:function(){v.stopObserving(this.element,this.eventName,this.handler);return this},handleEvent:function(f){var p=f.findElement(this.selector);p&&this.callback.call(this.element,f,p)}});Object.extend(v,v.Methods);Object.extend(v,{fire:H,observe:w,stopObserving:C,on:J});Element.addMethods({fire:H,observe:w,stopObserving:C,on:J});Object.extend(document,{fire:H.methodize(),observe:w.methodize(),stopObserving:C.methodize(),on:J.methodize(),loaded:false});if(window.Event)Object.extend(window.Event,
v);else window.Event=v})();
(function(){function a(){if(!document.loaded){h&&window.clearTimeout(h);document.loaded=true;document.fire("dom:loaded")}}function b(){if(document.readyState==="complete"){document.stopObserving("readystatechange",b);a()}}function d(){try{document.documentElement.doScroll("left")}catch(i){h=d.defer();return}a()}var h;if(document.addEventListener)document.addEventListener("DOMContentLoaded",a,false);else{document.observe("readystatechange",b);if(window==top)h=d.defer()}Event.observe(window,"load",
a)})();Element.addMethods();Hash.toQueryString=Object.toQueryString;var Toggle={display:Element.toggle};Element.Methods.childOf=Element.Methods.descendantOf;
var Insertion={Before:function(a,b){return Element.insert(a,{before:b})},Top:function(a,b){return Element.insert(a,{top:b})},Bottom:function(a,b){return Element.insert(a,{bottom:b})},After:function(a,b){return Element.insert(a,{after:b})}},$continue=new Error('"throw $continue" is deprecated, use "return" instead'),Position={includeScrollOffsets:false,prepare:function(){this.deltaX=window.pageXOffset||document.documentElement.scrollLeft||document.body.scrollLeft||0;this.deltaY=window.pageYOffset||
document.documentElement.scrollTop||document.body.scrollTop||0},within:function(a,b,d){if(this.includeScrollOffsets)return this.withinIncludingScrolloffsets(a,b,d);this.xcomp=b;this.ycomp=d;this.offset=Element.cumulativeOffset(a);return d>=this.offset[1]&&d<this.offset[1]+a.offsetHeight&&b>=this.offset[0]&&b<this.offset[0]+a.offsetWidth},withinIncludingScrolloffsets:function(a,b,d){var h=Element.cumulativeScrollOffset(a);this.xcomp=b+h[0]-this.deltaX;this.ycomp=d+h[1]-this.deltaY;this.offset=Element.cumulativeOffset(a);
return this.ycomp>=this.offset[1]&&this.ycomp<this.offset[1]+a.offsetHeight&&this.xcomp>=this.offset[0]&&this.xcomp<this.offset[0]+a.offsetWidth},overlap:function(a,b){if(!a)return 0;if(a=="vertical")return(this.offset[1]+b.offsetHeight-this.ycomp)/b.offsetHeight;if(a=="horizontal")return(this.offset[0]+b.offsetWidth-this.xcomp)/b.offsetWidth},cumulativeOffset:Element.Methods.cumulativeOffset,positionedOffset:Element.Methods.positionedOffset,absolutize:function(a){Position.prepare();return Element.absolutize(a)},
relativize:function(a){Position.prepare();return Element.relativize(a)},realOffset:Element.Methods.cumulativeScrollOffset,offsetParent:Element.Methods.getOffsetParent,page:Element.Methods.viewportOffset,clone:function(a,b,d){d=d||{};return Element.clonePosition(b,a,d)}};
if(!document.getElementsByClassName)document.getElementsByClassName=function(a){function b(d){return d.blank()?null:"[contains(concat(' ', @class, ' '), ' "+d+" ')]"}a.getElementsByClassName=Prototype.BrowserFeatures.XPath?function(d,h){h=h.toString().strip();return(h=/\s/.test(h)?$w(h).map(b).join(""):b(h))?document._getElementsByXPath(".//*"+h,d):[]}:function(d,h){h=h.toString().strip();var i=[],j=/\s/.test(h)?$w(h):null;if(!j&&!h)return i;d=$(d).getElementsByTagName("*");h=" "+h+" ";for(var m=
0,s,r;s=d[m];m++)if(s.className&&(r=" "+s.className+" ")&&(r.include(h)||j&&j.all(function(B){return!B.toString().blank()&&r.include(" "+B+" ")})))i.push(Element.extend(s));return i};return function(d,h){return $(h||document.body).getElementsByClassName(d)}}(Element.Methods);Element.ClassNames=Class.create();
Element.ClassNames.prototype={initialize:function(a){this.element=$(a)},_each:function(a){this.element.className.split(/\s+/).select(function(b){return b.length>0})._each(a)},set:function(a){this.element.className=a},add:function(a){this.include(a)||this.set($A(this).concat(a).join(" "))},remove:function(a){this.include(a)&&this.set($A(this).without(a).join(" "))},toString:function(){return $A(this).join(" ")}};Object.extend(Element.ClassNames.prototype,Enumerable);
(function(){window.Selector=Class.create({initialize:function(a){this.expression=a.strip()},findElements:function(a){return Prototype.Selector.select(this.expression,a)},match:function(a){return Prototype.Selector.match(a,this.expression)},toString:function(){return this.expression},inspect:function(){return"#<Selector: "+this.expression+">"}});Object.extend(Selector,{matchElements:function(a,b){for(var d=Prototype.Selector.match,h=[],i=0,j=a.length;i<j;i++){var m=a[i];d(m,b)&&h.push(Element.extend(m))}return h},
findElement:function(a,b,d){d=d||0;for(var h=0,i,j=0,m=a.length;j<m;j++){i=a[j];if(Prototype.Selector.match(i,b)&&d===h++)return Element.extend(i)}},findChildElements:function(a,b){b=b.toArray().join(", ");return Prototype.Selector.select(b,a||document)}})})();