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a.id===b[1]},attrPresence:function(a,b){return Element.hasAttribute(a,b[1])},attr:function(b,c){var a=Element.readAttribute(b,c[1]);return Selector.operators[c[2]](a,c[3])}},handlers:{concat:function(d,c){for(var e=0,f;f=c[e];e++){d.push(f)}return d},mark:function(a){for(var b=0,c;c=a[b];b++){c._counted=true}return a},unmark:function(a){for(var b=0,c;c=a[b];b++){c._counted=undefined}return a},index:function(a,d,g){a._counted=true;if(d){for(var b=a.childNodes,e=b.length-1,c=1;e>=0;e--){var f=b[e];if(f.nodeType==1&&(!g||f._counted)){f.nodeIndex=c++}}}else{for(var e=0,c=1,b=a.childNodes;f=b[e];e++){if(f.nodeType==1&&(!g||f._counted)){f.nodeIndex=c++}}}},unique:function(b){if(b.length==0){return b}var d=[],e;for(var c=0,a=b.length;c<a;c++){if(!(e=b[c])._counted){e._counted=true;d.push(Element.extend(e))}}return Selector.handlers.unmark(d)},descendant:function(a){var d=Selector.handlers;for(var c=0,b=[],e;e=a[c];c++){d.concat(b,e.getElementsByTagName("*"))}return b},child:function(a){var f=Selector.handlers;for(var e=0,d=[],g;g=a[e];e++){for(var b=0,c=[],k;k=g.childNodes[b];b++){if(k.nodeType==1&&k.tagName!="!"){d.push(k)}}}return d},adjacent:function(a){for(var c=0,b=[],e;e=a[c];c++){var d=this.nextElementSibling(e);if(d){b.push(d)}}return b},laterSibling:function(a){var d=Selector.handlers;for(var c=0,b=[],e;e=a[c];c++){d.concat(b,Element.nextSiblings(e))}return b},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(b,a,e,j){e=e.toUpperCase();var d=[],f=Selector.handlers;if(b){if(j){if(j=="descendant"){for(var c=0,g;g=b[c];c++){f.concat(d,g.getElementsByTagName(e))}return d}else{b=this[j](b)}if(e=="*"){return b}}for(var c=0,g;g=b[c];c++){if(g.tagName.toUpperCase()==e){d.push(g)}}return d}else{return a.getElementsByTagName(e)}},id:function(b,a,j,f){var g=$(j),d=Selector.handlers;if(!g){return[]}if(!b&&a==document){return[g]}if(b){if(f){if(f=="child"){for(var c=0,e;e=b[c];c++){if(g.parentNode==e){return[g]}}}else{if(f=="descendant"){for(var c=0,e;e=b[c];c++){if(Element.descendantOf(g,e)){return[g]}}}else{if(f=="adjacent"){for(var c=0,e;e=b[c];c++){if(Selector.handlers.previousElementSibling(g)==e){return[g]}}}else{b=d[f](b)}}}}for(var c=0,e;e=b[c];c++){if(e==g){return[g]}}return[]}return(g&&Element.descendantOf(g,a))?[g]:[]},className:function(b,a,c,d){if(b&&d){b=this[d](b)}return Selector.handlers.byClassName(b,a,c)},byClassName:function(c,b,f){if(!c){c=Selector.handlers.descendant([b])}var h=" "+f+" ";for(var e=0,d=[],g,a;g=c[e];e++){a=g.className;if(a.length==0){continue}if(a==f||(" "+a+" ").include(h)){d.push(g)}}return d},attrPresence:function(c,b,a){if(!c){c=b.getElementsByTagName("*")}var e=[];for(var d=0,f;f=c[d];d++){if(Element.hasAttribute(f,a)){e.push(f)}}return 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Object.extend(b,a)}}else{Event.prototype=Event.prototype||document.createEvent("HTMLEvents").__proto__;Object.extend(Event.prototype,a);return Prototype.K}})();Object.extend(Event,(function(){var b=Event.cache;function c(j){if(j._eventID){return j._eventID}arguments.callee.id=arguments.callee.id||1;return j._eventID=++arguments.callee.id}function g(j){if(j&&j.include(":")){return"dataavailable"}return j}function a(j){return b[j]=b[j]||{}}function f(l,j){var k=a(l);return k[j]=k[j]||[]}function h(k,j,l){var o=c(k);var n=f(o,j);if(n.pluck("handler").include(l)){return false}var m=function(p){if(!Event||!Event.extend||(p.eventName&&p.eventName!=j)){return false}Event.extend(p);l.call(k,p)};m.handler=l;n.push(m);return m}function i(m,j,k){var l=f(m,j);return l.find(function(n){return n.handler==k})}function d(m,j,k){var l=a(m);if(!l[j]){return false}l[j]=l[j].without(i(m,j,k))}function e(){for(var k in b){for(var j in 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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 $continue" is deprecated, use "return" instead');var Position={includeScrollOffsets:false,prepare:function(){this.deltaX=window.pageXOffset||document.documentElement.scrollLeft||document.body.scrollLeft||0;this.deltaY=window.pageYOffset||document.documentElement.scrollTop||document.body.scrollTop||0},within:function(b,a,c){if(this.includeScrollOffsets){return this.withinIncludingScrolloffsets(b,a,c)}this.xcomp=a;this.ycomp=c;this.offset=Element.cumulativeOffset(b);return(c>=this.offset[1]&&c<this.offset[1]+b.offsetHeight&&a>=this.offset[0]&&a<this.offset[0]+b.offsetWidth)},withinIncludingScrolloffsets:function(b,a,d){var c=Element.cumulativeScrollOffset(b);this.xcomp=a+c[0]-this.deltaX;this.ycomp=d+c[1]-this.deltaY;this.offset=Element.cumulativeOffset(b);return(this.ycomp>=this.offset[1]&&this.ycomp<this.offset[1]+b.offsetHeight&&this.xcomp>=this.offset[0]&&this.xcomp<this.offset[0]+b.offsetWidth)},overlap:function(b,a){if(!b){return 0}if(b=="vertical"){return((this.offset[1]+a.offsetHeight)-this.ycomp)/a.offsetHeight}if(b=="horizontal"){return((this.offset[0]+a.offsetWidth)-this.xcomp)/a.offsetWidth}},cumulativeOffset:Element.Methods.cumulativeOffset,positionedOffset:Element.Methods.positionedOffset,absolutize:function(a){Position.prepare();return Element.absolutize(a)},relativize:function(a){Position.prepare();return Element.relativize(a)},realOffset:Element.Methods.cumulativeScrollOffset,offsetParent:Element.Methods.getOffsetParent,page:Element.Methods.viewportOffset,clone:function(b,c,a){a=a||{};return Element.clonePosition(c,b,a)}};if(!document.getElementsByClassName){document.getElementsByClassName=function(b){function a(c){return c.blank()?null:"[contains(concat(' ', @class, ' '), ' "+c+" ')]"}b.getElementsByClassName=Prototype.BrowserFeatures.XPath?function(c,e){e=e.toString().strip();var d=/\s/.test(e)?$w(e).map(a).join(""):a(e);return d?document._getElementsByXPath(".//*"+d,c):[]}:function(e,f){f=f.toString().strip();var g=[],h=(/\s/.test(f)?$w(f):null);if(!h&&!f){return g}var c=$(e).getElementsByTagName("*");f=" "+f+" ";for(var d=0,k,j;k=c[d];d++){if(k.className&&(j=" "+k.className+" ")&&(j.include(f)||(h&&h.all(function(i){return !i.toString().blank()&&j.include(" "+i+" ")})))){g.push(Element.extend(k))}}return g};return function(d,c){return $(c||document.body).getElementsByClassName(d)}}(Element.Methods)}Element.ClassNames=Class.create();Element.ClassNames.prototype={initialize:function(a){this.element=$(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){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();