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g=Prototype.emptyFunction;for(var e=0,h;h=f[e];e++){h._countedByPrototype=g}return f},unmark:function(e){for(var d=0,f;f=e[d];d++){f._countedByPrototype=undefined}return e},index:function(i,m,j){i._countedByPrototype=Prototype.emptyFunction;if(m){for(var h=i.childNodes,l=h.length-1,n=1;l>=0;l--){var k=h[l];if(k.nodeType==1&&(!j||k._countedByPrototype)){k.nodeIndex=n++}}}else{for(var l=0,n=1,h=i.childNodes;k=h[l];l++){if(k.nodeType==1&&(!j||k._countedByPrototype)){k.nodeIndex=n++}}}},unique:function(f){if(f.length==0){return f}var i=[],h;for(var j=0,g=f.length;j<g;j++){if(!(h=f[j])._countedByPrototype){h._countedByPrototype=Prototype.emptyFunction;i.push(Element.extend(h))}}return Selector.handlers.unmark(i)},descendant:function(g){var i=Selector.handlers;for(var j=0,f=[],h;h=g[j];j++){i.concat(f,h.getElementsByTagName("*"))}return f},child:function(i){var l=Selector.handlers;for(var m=0,n=[],k;k=i[m];m++){for(var 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p=0,n;n=h[p];p++){if(l.parentNode==n){return[l]}}}else{if(m=="descendant"){for(var p=0,n;n=h[p];p++){if(Element.descendantOf(l,n)){return[l]}}}else{if(m=="adjacent"){for(var p=0,n;n=h[p];p++){if(Selector.handlers.previousElementSibling(l)==n){return[l]}}}else{h=o[m](h)}}}}for(var p=0,n;n=h[p];p++){if(n==l){return[l]}}return[]}return(l&&Element.descendantOf(l,i))?[l]:[]},className:function(e,f,h,g){if(e&&g){e=this[g](e)}return Selector.handlers.byClassName(e,f,h)},byClassName:function(p,i,m){if(!p){p=Selector.handlers.descendant([i])}var k=" "+m+" ";for(var n=0,o=[],l,j;l=p[n];n++){j=l.className;if(j.length==0){continue}if(j==m||(" "+j+" ").include(k)){o.push(l)}}return o},attrPresence:function(n,h,i,j){if(!n){n=h.getElementsByTagName("*")}if(n&&j){n=this[j](n)}var l=[];for(var m=0,k;k=n[m];m++){if(Element.hasAttribute(k,i)){l.push(k)}}return l},attr:function(v,n,o,m,t,u){if(!v){v=n.getElementsByTagName("*")}if(v&&u){v=this[u](v)}var i=Selector.operators[t],q=[];for(var 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b=Object.keys(Event.Methods).inject({},function(a,d){a[d]=Event.Methods[d].methodize();return a});if(Prototype.Browser.IE){Object.extend(b,{stopPropagation:function(){this.cancelBubble=true},preventDefault:function(){this.returnValue=false},inspect:function(){return"[object Event]"}});return function(a){if(!a){return false}if(a._extendedByPrototype){return a}a._extendedByPrototype=Prototype.emptyFunction;var d=Event.pointer(a);Object.extend(a,{target:a.srcElement,relatedTarget:Event.relatedTarget(a),pageX:d.x,pageY:d.y});return Object.extend(a,b)}}else{Event.prototype=Event.prototype||document.createEvent("HTMLEvents")["__proto__"];Object.extend(Event.prototype,b);return Prototype.K}})();Object.extend(Event,(function(){var q=Event.cache;function p(a){if(a._prototypeEventID){return a._prototypeEventID[0]}arguments.callee.id=arguments.callee.id||1;return a._prototypeEventID=[++arguments.callee.id]}function l(a){if(a&&a.include(":")){return"dataavailable"}return a}function r(a){return 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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(d,e,f){if(this.includeScrollOffsets){return this.withinIncludingScrolloffsets(d,e,f)}this.xcomp=e;this.ycomp=f;this.offset=Element.cumulativeOffset(d);return(f>=this.offset[1]&&f<this.offset[1]+d.offsetHeight&&e>=this.offset[0]&&e<this.offset[0]+d.offsetWidth)},withinIncludingScrolloffsets:function(e,f,g){var h=Element.cumulativeScrollOffset(e);this.xcomp=f+h[0]-this.deltaX;this.ycomp=g+h[1]-this.deltaY;this.offset=Element.cumulativeOffset(e);return(this.ycomp>=this.offset[1]&&this.ycomp<this.offset[1]+e.offsetHeight&&this.xcomp>=this.offset[0]&&this.xcomp<this.offset[0]+e.offsetWidth)},overlap:function(c,d){if(!c){return 0}if(c=="vertical"){return((this.offset[1]+d.offsetHeight)-this.ycomp)/d.offsetHeight}if(c=="horizontal"){return((this.offset[0]+d.offsetWidth)-this.xcomp)/d.offsetWidth}},cumulativeOffset:Element.Methods.cumulativeOffset,positionedOffset:Element.Methods.positionedOffset,absolutize:function(b){Position.prepare();return Element.absolutize(b)},relativize:function(b){Position.prepare();return Element.relativize(b)},realOffset:Element.Methods.cumulativeScrollOffset,offsetParent:Element.Methods.getOffsetParent,page:Element.Methods.viewportOffset,clone:function(d,f,e){e=e||{};return Element.clonePosition(f,d,e)}};if(!document.getElementsByClassName){document.getElementsByClassName=function(c){function d(a){return a.blank()?null:"[contains(concat(' ', @class, ' '), ' "+a+" ')]"}c.getElementsByClassName=Prototype.BrowserFeatures.XPath?function(f,a){a=a.toString().strip();var b=/\s/.test(a)?$w(a).map(d).join(""):d(a);return b?document._getElementsByXPath(".//*"+b,f):[]}:function(n,m){m=m.toString().strip();var l=[],i=(/\s/.test(m)?$w(m):null);if(!i&&!m){return l}var p=$(n).getElementsByTagName("*");m=" "+m+" ";for(var o=0,a,b;a=p[o];o++){if(a.className&&(b=" "+a.className+" ")&&(b.include(m)||(i&&i.all(function(e){return !e.toString().blank()&&b.include(" "+e+" ")})))){l.push(Element.extend(a))}}return l};return function(a,b){return $(b||document.body).getElementsByClassName(a)}}(Element.Methods)}Element.ClassNames=Class.create();Element.ClassNames.prototype={initialize:function(b){this.element=$(b)},_each:function(b){this.element.className.split(/\s+/).select(function(a){return a.length>0})._each(b)},set:function(b){this.element.className=b},add:function(b){if(this.include(b)){return}this.set($A(this).concat(b).join(" "))},remove:function(b){if(!this.include(b)){return}this.set($A(this).without(b).join(" "))},toString:function(){return $A(this).join(" 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