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a=Element._insertionTranslations.tags;Object.extend(a,{THEAD:a.TBODY,TFOOT:a.TBODY,TH:a.TD})})();Element.Methods.Simulated={hasAttribute:function(a,c){c=Element._attributeTranslations.has[c]||c;var b=$(a).getAttributeNode(c);return !!(b&&b.specified)}};Element.Methods.ByTag={};Object.extend(Element,Element.Methods);(function(a){if(!Prototype.BrowserFeatures.ElementExtensions&&a.__proto__){window.HTMLElement={};window.HTMLElement.prototype=a.__proto__;Prototype.BrowserFeatures.ElementExtensions=true}a=null})(document.createElement("div"));Element.extend=(function(){function c(g){if(typeof window.Element!="undefined"){var i=window.Element.prototype;if(i){var k="_"+(Math.random()+"").slice(2),h=document.createElement(g);i[k]="x";var j=(h[k]!=="x");delete i[k];h=null;return j}}return false}function b(h,g){for(var j in g){var i=g[j];if(Object.isFunction(i)&&!(j in h)){h[j]=i.methodize()}}}var d=c("object");if(Prototype.BrowserFeatures.SpecificElementExtensions){if(d){return function(h){if(h&&typeof h._extendedByPrototype=="undefined"){var g=h.tagName;if(g&&(/^(?:object|applet|embed)$/i.test(g))){b(h,Element.Methods);b(h,Element.Methods.Simulated);b(h,Element.Methods.ByTag[g.toUpperCase()])}}return h}}return Prototype.K}var a={},e=Element.Methods.ByTag;var f=Object.extend(function(i){if(!i||typeof i._extendedByPrototype!="undefined"||i.nodeType!=1||i==window){return i}var g=Object.clone(a),h=i.tagName.toUpperCase();if(e[h]){Object.extend(g,e[h])}b(i,g);i._extendedByPrototype=Prototype.emptyFunction;return i},{refresh:function(){if(!Prototype.BrowserFeatures.ElementExtensions){Object.extend(a,Element.Methods);Object.extend(a,Element.Methods.Simulated)}}});f.refresh();return f})();if(document.documentElement.hasAttribute){Element.hasAttribute=function(a,b){return a.hasAttribute(b)}}else{Element.hasAttribute=Element.Methods.Simulated.hasAttribute}Element.addMethods=function(c){var i=Prototype.BrowserFeatures,d=Element.Methods.ByTag;if(!c){Object.extend(Form,Form.Methods);Object.extend(Form.Element,Form.Element.Methods);Object.extend(Element.Methods.ByTag,{FORM:Object.clone(Form.Methods),INPUT:Object.clone(Form.Element.Methods),SELECT:Object.clone(Form.Element.Methods),TEXTAREA:Object.clone(Form.Element.Methods),BUTTON:Object.clone(Form.Element.Methods)})}if(arguments.length==2){var b=c;c=arguments[1]}if(!b){Object.extend(Element.Methods,c||{})}else{if(Object.isArray(b)){b.each(g)}else{g(b)}}function g(k){k=k.toUpperCase();if(!Element.Methods.ByTag[k]){Element.Methods.ByTag[k]={}}Object.extend(Element.Methods.ByTag[k],c)}function a(m,l,k){k=k||false;for(var o in m){var n=m[o];if(!Object.isFunction(n)){continue}if(!k||!(o in l)){l[o]=n.methodize()}}}function e(n){var k;var m={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(m[n]){k="HTML"+m[n]+"Element"}if(window[k]){return window[k]}k="HTML"+n+"Element";if(window[k]){return window[k]}k="HTML"+n.capitalize()+"Element";if(window[k]){return window[k]}var l=document.createElement(n),o=l.__proto__||l.constructor.prototype;l=null;return o}var h=window.HTMLElement?HTMLElement.prototype:Element.prototype;if(i.ElementExtensions){a(Element.Methods,h);a(Element.Methods.Simulated,h,true)}if(i.SpecificElementExtensions){for(var j in Element.Methods.ByTag){var f=e(j);if(Object.isUndefined(f)){continue}a(d[j],f.prototype)}}Object.extend(Element,Element.Methods);delete Element.ByTag;if(Element.extend.refresh){Element.extend.refresh()}Element.cache={}};document.viewport={getDimensions:function(){return{width:this.getWidth(),height:this.getHeight()}},getScrollOffsets:function(){return Element._returnOffset(window.pageXOffset||document.documentElement.scrollLeft||document.body.scrollLeft,window.pageYOffset||document.documentElement.scrollTop||document.body.scrollTop)}};(function(b){var g=Prototype.Browser,e=document,c,d={};function a(){if(g.WebKit&&!e.evaluate){return document}if(g.Opera&&window.parseFloat(window.opera.version())<9.5){return document.body}return document.documentElement}function f(h){if(!c){c=a()}d[h]="client"+h;b["get"+h]=function(){return c[d[h]]};return b["get"+h]()}b.getWidth=f.curry("Width");b.getHeight=f.curry("Height")})(document.viewport);Element.Storage={UID:1};Element.addMethods({getStorage:function(b){if(!(b=$(b))){return}var a;if(b===window){a=0}else{if(typeof b._prototypeUID==="undefined"){b._prototypeUID=Element.Storage.UID++}a=b._prototypeUID}if(!Element.Storage[a]){Element.Storage[a]=$H()}return Element.Storage[a]},store:function(b,a,c){if(!(b=$(b))){return}if(arguments.length===2){Element.getStorage(b).update(a)}else{Element.getStorage(b).set(a,c)}return b},retrieve:function(c,b,a){if(!(c=$(c))){return}var e=Element.getStorage(c),d=e.get(b);if(Object.isUndefined(d)){e.set(b,a);d=a}return d},clone:function(c,a){if(!(c=$(c))){return}var e=c.cloneNode(a);e._prototypeUID=void 0;if(a){var d=Element.select(e,"*"),b=d.length;while(b--){d[b]._prototypeUID=void 0}}return Element.extend(e)},purge:function(c){if(!(c=$(c))){return}var a=Element._purgeElement;a(c);var d=c.getElementsByTagName("*"),b=d.length;while(b--){a(d[b])}return null}});(function(){function h(v){var u=v.match(/^(\d+)%?$/i);if(!u){return null}return(Number(u[1])/100)}function o(F,G,v){var y=null;if(Object.isElement(F)){y=F;F=y.getStyle(G)}if(F===null){return null}if((/^(?:-)?\d+(\.\d+)?(px)?$/i).test(F)){return window.parseFloat(F)}var A=F.include("%"),w=(v===document.viewport);if(/\d/.test(F)&&y&&y.runtimeStyle&&!(A&&w)){var u=y.style.left,E=y.runtimeStyle.left;y.runtimeStyle.left=y.currentStyle.left;y.style.left=F||0;F=y.style.pixelLeft;y.style.left=u;y.runtimeStyle.left=E;return F}if(y&&A){v=v||y.parentNode;var x=h(F);var B=null;var z=y.getStyle("position");var D=G.include("left")||G.include("right")||G.include("width");var C=G.include("top")||G.include("bottom")||G.include("height");if(v===document.viewport){if(D){B=document.viewport.getWidth()}else{if(C){B=document.viewport.getHeight()}}}else{if(D){B=$(v).measure("width")}else{if(C){B=$(v).measure("height")}}}return(B===null)?0:B*x}return 0}function g(u){if(Object.isString(u)&&u.endsWith("px")){return u}return u+"px"}function j(v){var u=v;while(v&&v.parentNode){var w=v.getStyle("display");if(w==="none"){return false}v=$(v.parentNode)}return true}var d=Prototype.K;if("currentStyle" in document.documentElement){d=function(u){if(!u.currentStyle.hasLayout){u.style.zoom=1}return u}}function f(u){if(u.include("border")){u=u+"-width"}return u.camelize()}Element.Layout=Class.create(Hash,{initialize:function($super,v,u){$super();this.element=$(v);Element.Layout.PROPERTIES.each(function(w){this._set(w,null)},this);if(u){this._preComputing=true;this._begin();Element.Layout.PROPERTIES.each(this._compute,this);this._end();this._preComputing=false}},_set:function(v,u){return Hash.prototype.set.call(this,v,u)},set:function(v,u){throw"Properties of Element.Layout are read-only."},get:function($super,v){var u=$super(v);return u===null?this._compute(v):u},_begin:function(){if(this._prepared){return}var y=this.element;if(j(y)){this._prepared=true;return}var A={position:y.style.position||"",width:y.style.width||"",visibility:y.style.visibility||"",display:y.style.display||""};y.store("prototype_original_styles",A);var B=y.getStyle("position"),u=y.getStyle("width");if(u==="0px"||u===null){y.style.display="block";u=y.getStyle("width")}var v=(B==="fixed")?document.viewport:y.parentNode;y.setStyle({position:"absolute",visibility:"hidden",display:"block"});var w=y.getStyle("width");var x;if(u&&(w===u)){x=o(y,"width",v)}else{if(B==="absolute"||B==="fixed"){x=o(y,"width",v)}else{var C=y.parentNode,z=$(C).getLayout();x=z.get("width")-this.get("margin-left")-this.get("border-left")-this.get("padding-left")-this.get("padding-right")-this.get("border-right")-this.get("margin-right")}}y.setStyle({width:x+"px"});this._prepared=true},_end:function(){var v=this.element;var u=v.retrieve("prototype_original_styles");v.store("prototype_original_styles",null);v.setStyle(u);this._prepared=false},_compute:function(v){var u=Element.Layout.COMPUTATIONS;if(!(v in u)){throw"Property not found."}return this._set(v,u[v].call(this,this.element))},toObject:function(){var u=$A(arguments);var v=(u.length===0)?Element.Layout.PROPERTIES:u.join(" ").split(" ");var w={};v.each(function(x){if(!Element.Layout.PROPERTIES.include(x)){return}var y=this.get(x);if(y!=null){w[x]=y}},this);return w},toHash:function(){var u=this.toObject.apply(this,arguments);return new Hash(u)},toCSS:function(){var u=$A(arguments);var w=(u.length===0)?Element.Layout.PROPERTIES:u.join(" ").split(" ");var v={};w.each(function(x){if(!Element.Layout.PROPERTIES.include(x)){return}if(Element.Layout.COMPOSITE_PROPERTIES.include(x)){return}var y=this.get(x);if(y!=null){v[f(x)]=y+"px"}},this);return v},inspect:function(){return"#"}});Object.extend(Element.Layout,{PROPERTIES:$w("height width top left right bottom border-left border-right border-top border-bottom padding-left padding-right padding-top padding-bottom margin-top margin-bottom margin-left margin-right padding-box-width padding-box-height border-box-width border-box-height margin-box-width margin-box-height"),COMPOSITE_PROPERTIES:$w("padding-box-width padding-box-height margin-box-width margin-box-height border-box-width border-box-height"),COMPUTATIONS:{height:function(w){if(!this._preComputing){this._begin()}var u=this.get("border-box-height");if(u<=0){if(!this._preComputing){this._end()}return 0}var x=this.get("border-top"),v=this.get("border-bottom");var z=this.get("padding-top"),y=this.get("padding-bottom");if(!this._preComputing){this._end()}return u-x-v-z-y},width:function(w){if(!this._preComputing){this._begin()}var v=this.get("border-box-width");if(v<=0){if(!this._preComputing){this._end()}return 0}var z=this.get("border-left"),u=this.get("border-right");var x=this.get("padding-left"),y=this.get("padding-right");if(!this._preComputing){this._end()}return v-z-u-x-y},"padding-box-height":function(v){var u=this.get("height"),x=this.get("padding-top"),w=this.get("padding-bottom");return u+x+w},"padding-box-width":function(u){var v=this.get("width"),w=this.get("padding-left"),x=this.get("padding-right");return v+w+x},"border-box-height":function(v){if(!this._preComputing){this._begin()}var u=v.offsetHeight;if(!this._preComputing){this._end()}return u},"border-box-width":function(u){if(!this._preComputing){this._begin()}var v=u.offsetWidth;if(!this._preComputing){this._end()}return v},"margin-box-height":function(v){var u=this.get("border-box-height"),w=this.get("margin-top"),x=this.get("margin-bottom");if(u<=0){return 0}return u+w+x},"margin-box-width":function(w){var v=this.get("border-box-width"),x=this.get("margin-left"),u=this.get("margin-right");if(v<=0){return 0}return v+x+u},top:function(u){var v=u.positionedOffset();return v.top},bottom:function(u){var x=u.positionedOffset(),v=u.getOffsetParent(),w=v.measure("height");var y=this.get("border-box-height");return w-y-x.top},left:function(u){var v=u.positionedOffset();return v.left},right:function(w){var y=w.positionedOffset(),x=w.getOffsetParent(),u=x.measure("width");var v=this.get("border-box-width");return u-v-y.left},"padding-top":function(u){return o(u,"paddingTop")},"padding-bottom":function(u){return o(u,"paddingBottom")},"padding-left":function(u){return o(u,"paddingLeft")},"padding-right":function(u){return o(u,"paddingRight")},"border-top":function(u){return o(u,"borderTopWidth")},"border-bottom":function(u){return o(u,"borderBottomWidth")},"border-left":function(u){return o(u,"borderLeftWidth")},"border-right":function(u){return o(u,"borderRightWidth")},"margin-top":function(u){return o(u,"marginTop")},"margin-bottom":function(u){return o(u,"marginBottom")},"margin-left":function(u){return o(u,"marginLeft")},"margin-right":function(u){return o(u,"marginRight")}}});if("getBoundingClientRect" in document.documentElement){Object.extend(Element.Layout.COMPUTATIONS,{right:function(v){var w=d(v.getOffsetParent());var x=v.getBoundingClientRect(),u=w.getBoundingClientRect();return(u.right-x.right).round()},bottom:function(v){var w=d(v.getOffsetParent());var x=v.getBoundingClientRect(),u=w.getBoundingClientRect();return(u.bottom-x.bottom).round()}})}Element.Offset=Class.create({initialize:function(v,u){this.left=v.round();this.top=u.round();this[0]=this.left;this[1]=this.top},relativeTo:function(u){return new Element.Offset(this.left-u.left,this.top-u.top)},inspect:function(){return"#".interpolate(this)},toString:function(){return"[#{left}, #{top}]".interpolate(this)},toArray:function(){return[this.left,this.top]}});function r(v,u){return new Element.Layout(v,u)}function b(u,v){return $(u).getLayout().get(v)}function n(v){v=$(v);var z=Element.getStyle(v,"display");if(z&&z!=="none"){return{width:v.offsetWidth,height:v.offsetHeight}}var w=v.style;var u={visibility:w.visibility,position:w.position,display:w.display};var y={visibility:"hidden",display:"block"};if(u.position!=="fixed"){y.position="absolute"}Element.setStyle(v,y);var x={width:v.offsetWidth,height:v.offsetHeight};Element.setStyle(v,u);return x}function l(u){u=$(u);if(e(u)||c(u)||m(u)||k(u)){return $(document.body)}var v=(Element.getStyle(u,"display")==="inline");if(!v&&u.offsetParent){return $(u.offsetParent)}while((u=u.parentNode)&&u!==document.body){if(Element.getStyle(u,"position")!=="static"){return k(u)?$(document.body):$(u)}}return $(document.body)}function t(v){v=$(v);var u=0,w=0;if(v.parentNode){do{u+=v.offsetTop||0;w+=v.offsetLeft||0;v=v.offsetParent}while(v)}return new Element.Offset(w,u)}function p(v){v=$(v);var w=v.getLayout();var u=0,y=0;do{u+=v.offsetTop||0;y+=v.offsetLeft||0;v=v.offsetParent;if(v){if(m(v)){break}var