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Element._returnOffset(f,e)},getOffsetParent:function(b){if(b.offsetParent){return $(b.offsetParent)}if(b==document.body){return $(b)}while((b=b.parentNode)&&b!=document.body){if(Element.getStyle(b,"position")!="static"){return $(b)}}return $(document.body)},viewportOffset:function(g){var f=0,h=0;var e=g;do{f+=e.offsetTop||0;h+=e.offsetLeft||0;if(e.offsetParent==document.body&&Element.getStyle(e,"position")=="absolute"){break}}while(e=e.offsetParent);e=g;do{if(!Prototype.Browser.Opera||(e.tagName&&(e.tagName.toUpperCase()=="BODY"))){f-=e.scrollTop||0;h-=e.scrollLeft||0}}while(e=e.parentNode);return Element._returnOffset(h,f)},clonePosition:function(g,l){var h=Object.extend({setLeft:true,setTop:true,setWidth:true,setHeight:true,offsetTop:0,offsetLeft:0},arguments[2]||{});l=$(l);var k=l.viewportOffset();g=$(g);var j=[0,0];var m=null;if(Element.getStyle(g,"position")=="absolute"){m=g.getOffsetParent();j=m.viewportOffset()}if(m==document.body){j[0]-=document.body.offsetLeft;j[1]-=document.body.offsetTop}if(h.setLeft){g.style.left=(k[0]-j[0]+h.offsetLeft)+"px"}if(h.setTop){g.style.top=(k[1]-j[1]+h.offsetTop)+"px"}if(h.setWidth){g.style.width=l.offsetWidth+"px"}if(h.setHeight){g.style.height=l.offsetHeight+"px"}return g}};Element.Methods.identify.counter=1;Object.extend(Element.Methods,{getElementsBySelector:Element.Methods.select,childElements:Element.Methods.immediateDescendants});Element._attributeTranslations={write:{names:{className:"class",htmlFor:"for"},values:{}}};if(Prototype.Browser.Opera){Element.Methods.getStyle=Element.Methods.getStyle.wrap(function(j,f,k){switch(k){case"left":case"top":case"right":case"bottom":if(j(f,"position")==="static"){return null}case"height":case"width":if(!Element.visible(f)){return null}var h=parseInt(j(f,k),10);if(h!==f["offset"+k.capitalize()]){return h+"px"}var g;if(k==="height"){g=["border-top-width","padding-top","padding-bottom","border-bottom-width"]}else{g=["border-left-width","padding-left","padding-right","border-right-width"]}return g.inject(h,function(c,b){var a=j(f,b);return a===null?c:c-parseInt(a,10)})+"px";default:return j(f,k)}});Element.Methods.readAttribute=Element.Methods.readAttribute.wrap(function(f,e,d){if(d==="title"){return e.title}return f(e,d)})}else{if(Prototype.Browser.IE){Element.Methods.getOffsetParent=Element.Methods.getOffsetParent.wrap(function(k,e){e=$(e);try{e.offsetParent}catch(h){return $(document.body)}var g=e.getStyle("position");if(g!=="static"){return k(e)}e.setStyle({position:"relative"});var j=k(e);e.setStyle({position:g});return j});$w("positionedOffset viewportOffset").each(function(b){Element.Methods[b]=Element.Methods[b].wrap(function(k,m){m=$(m);try{m.offsetParent}catch(e){return Element._returnOffset(0,0)}var a=m.getStyle("position");if(a!=="static"){return k(m)}var 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l=g.getStyle("filter"),m=g.style;if(k==1||k===""){(l=j(l))?m.filter=l:m.removeAttribute("filter");return g}else{if(k<0.00001){k=0}}m.filter=j(l)+"alpha(opacity="+(k*100)+")";return g};Element._attributeTranslations={read:{names:{"class":"className","for":"htmlFor"},values:{_getAttr:function(d,c){return d.getAttribute(c,2)},_getAttrNode:function(e,f){var d=e.getAttributeNode(f);return d?d.value:""},_getEv:function(d,c){c=d.getAttribute(c);return c?c.toString().slice(23,-2):null},_flag:function(d,c){return $(d).hasAttribute(c)?c:null},style:function(b){return b.style.cssText.toLowerCase()},title:function(b){return b.title}}}};Element._attributeTranslations.write={names:Object.extend({cellpadding:"cellPadding",cellspacing:"cellSpacing"},Element._attributeTranslations.read.names),values:{checked:function(d,c){d.checked=!!c},style:function(d,c){d.style.cssText=c?c:""}}};Element._attributeTranslations.has={};$w("colSpan rowSpan vAlign dateTime accessKey tabIndex encType maxLength readOnly 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Element._insertionTranslations.tags){$A(d.childNodes).each(function(a){d.removeChild(a)});Element._getContentFromAnonymousElement(e,f.stripScripts()).each(function(a){d.appendChild(a)})}else{d.innerHTML=f.stripScripts()}f.evalScripts.bind(f).defer();return d}}if("outerHTML" in document.createElement("div")){Element.Methods.replace=function(m,k){m=$(m);if(k&&k.toElement){k=k.toElement()}if(Object.isElement(k)){m.parentNode.replaceChild(k,m);return m}k=Object.toHTML(k);var l=m.parentNode,g=l.tagName.toUpperCase();if(Element._insertionTranslations.tags[g]){var j=m.next();var h=Element._getContentFromAnonymousElement(g,k.stripScripts());l.removeChild(m);if(j){h.each(function(a){l.insertBefore(a,j)})}else{h.each(function(a){l.appendChild(a)})}}else{m.outerHTML=k.stripScripts()}k.evalScripts.bind(k).defer();return m}}Element._returnOffset=function(d,f){var e=[d,f];e.left=d;e.top=f;return e};Element._getContentFromAnonymousElement=function(h,e){var g=new 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!!(d&&d.specified)}};Element.Methods.ByTag={};Object.extend(Element,Element.Methods);if(!Prototype.BrowserFeatures.ElementExtensions&&document.createElement("div")["__proto__"]){window.HTMLElement={};window.HTMLElement.prototype=document.createElement("div")["__proto__"];Prototype.BrowserFeatures.ElementExtensions=true}Element.extend=(function(){if(Prototype.BrowserFeatures.SpecificElementExtensions){return Prototype.K}var e={},d=Element.Methods.ByTag;var f=Object.extend(function(c){if(!c||c._extendedByPrototype||c.nodeType!=1||c==window){return c}var k=Object.clone(e),j=c.tagName.toUpperCase(),a,b;if(d[j]){Object.extend(k,d[j])}for(a in k){b=k[a];if(Object.isFunction(b)&&!(a in c)){c[a]=b.methodize()}}c._extendedByPrototype=Prototype.emptyFunction;return c},{refresh:function(){if(!Prototype.BrowserFeatures.ElementExtensions){Object.extend(e,Element.Methods);Object.extend(e,Element.Methods.Simulated)}}});f.refresh();return f})();Element.hasAttribute=function(d,c){if(d.hasAttribute){return d.hasAttribute(c)}return Element.Methods.Simulated.hasAttribute(d,c)};Element.addMethods=function(q){var l=Prototype.BrowserFeatures,p=Element.Methods.ByTag;if(!q){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 r=q;q=arguments[1]}if(!r){Object.extend(Element.Methods,q||{})}else{if(Object.isArray(r)){r.each(m)}else{m(r)}}function m(a){a=a.toUpperCase();if(!Element.Methods.ByTag[a]){Element.Methods.ByTag[a]={}}Object.extend(Element.Methods.ByTag[a],q)}function s(a,b,c){c=c||false;for(var d in a){var e=a[d];if(!Object.isFunction(e)){continue}if(!c||!(d in b)){b[d]=e.methodize()}}}function o(a){var c;var b={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(b[a]){c="HTML"+b[a]+"Element"}if(window[c]){return window[c]}c="HTML"+a+"Element";if(window[c]){return window[c]}c="HTML"+a.capitalize()+"Element";if(window[c]){return window[c]}window[c]={};window[c].prototype=document.createElement(a)["__proto__"];return window[c]}if(l.ElementExtensions){s(Element.Methods,HTMLElement.prototype);s(Element.Methods.Simulated,HTMLElement.prototype,true)}if(l.SpecificElementExtensions){for(var k in Element.Methods.ByTag){var 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Selector=Class.create({initialize:function(b){this.expression=b.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 b=this.expression;if(Prototype.Browser.WebKit&&(b.include("-of-type")||b.include(":empty"))){return false}if((/(\[[\w-]*?:|:checked)/).test(b)){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(b){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 = 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