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B=["X-Requested-With","XMLHttpRequest","X-Prototype-Version",Prototype.Version];if(this.options.method=="post"){B.push("Content-type","application/x-www-form-urlencoded");if(this.transport.overrideMimeType){B.push("Connection","close")}}if(this.options.requestHeaders){B.push.apply(B,this.options.requestHeaders)}for(var A=0;A<B.length;A+=2){this.transport.setRequestHeader(B[A],B[A+1])}},onStateChange:function(){var A=this.transport.readyState;if(A!=1){this.respondToReadyState(this.transport.readyState)}},header:function(A){try{return this.transport.getResponseHeader(A)}catch(B){}},evalJSON:function(){try{return eval(this.header("X-JSON"))}catch(e){}},evalResponse:function(){try{return eval(this.transport.responseText)}catch(e){this.dispatchException(e)}},respondToReadyState:function(A){var C=Ajax.Request.Events[A];var 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D=this.options.onComplete||Prototype.emptyFunction;this.options.onComplete=(function(F,E){this.updateContent();D(F,E)}).bind(this);this.request(C)},updateContent:function(){var B=this.responseIsSuccess()?this.containers.success:this.containers.failure;var A=this.transport.responseText;if(!this.options.evalScripts){A=A.stripScripts()}if(B){if(this.options.insertion){new this.options.insertion(B,A)}else{Element.update(B,A)}}if(this.responseIsSuccess()){if(this.onComplete){setTimeout(this.onComplete.bind(this),10)}}}});Ajax.PeriodicalUpdater=Class.create();Ajax.PeriodicalUpdater.prototype=Object.extend(new 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C=A.position;A.visibility="hidden";A.position="absolute";A.display="";var F=B.clientWidth;var D=B.clientHeight;A.display="none";A.position=C;A.visibility=E;return{width:F,height:D}},makePositioned:function(A){A=$(A);var B=Element.getStyle(A,"position");if(B=="static"||!B){A._madePositioned=true;A.style.position="relative";if(window.opera){A.style.top=0;A.style.left=0}}},undoPositioned:function(A){A=$(A);if(A._madePositioned){A._madePositioned=undefined;A.style.position=A.style.top=A.style.left=A.style.bottom=A.style.right=""}},makeClipping:function(A){A=$(A);if(A._overflow){return }A._overflow=A.style.overflow;if((Element.getStyle(A,"overflow")||"visible")!="hidden"){A.style.overflow="hidden"}},undoClipping:function(A){A=$(A);if(A._overflow){return }A.style.overflow=A._overflow;A._overflow=undefined}});var Toggle=new 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Abstract.Insertion("afterEnd"),{initializeRange:function(){this.range.setStartAfter(this.element)},insertContent:function(A){A.each((function(B){this.element.parentNode.insertBefore(B,this.element.nextSibling)}).bind(this))}});Element.ClassNames=Class.create();Element.ClassNames.prototype={initialize:function(A){this.element=$(A)},_each:function(A){this.element.className.split(/\s+/).select(function(B){return B.length>0})._each(A)},set:function(A){this.element.className=A},add:function(A){if(this.include(A)){return }this.set(this.toArray().concat(A).join(" "))},remove:function(A){if(!this.include(A)){return }this.set(this.select(function(B){return B!=A}).join(" "))},toString:function(){return this.toArray().join(" ")}};Object.extend(Element.ClassNames.prototype,Enumerable);var Field={clear:function(){for(var A=0;A<arguments.length;A++){$(arguments[A]).value=""}},focus:function(A){$(A).focus()},present:function(){for(var A=0;A<arguments.length;A++){if($(arguments[A]).value==""){return 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B.type!="hidden"&&!B.disabled&&["input","select","textarea"].include(B.tagName.toLowerCase())})},focusFirstElement:function(A){Field.activate(Form.findFirstElement(A))},reset:function(A){$(A).reset()}};Form.Element={serialize:function(B){B=$(B);var D=B.tagName.toLowerCase();var C=Form.Element.Serializers[D](B);if(C){var A=encodeURIComponent(C[0]);if(A.length==0){return }if(C[1].constructor!=Array){C[1]=[C[1]]}return C[1].map(function(E){return A+"="+encodeURIComponent(E)}).join("&")}},getValue:function(A){A=$(A);var C=A.tagName.toLowerCase();var B=Form.Element.Serializers[C](A);if(B){return B[1]}}};Form.Element.Serializers={input:function(A){switch(A.type.toLowerCase()){case"submit":case"hidden":case"password":case"text":return Form.Element.Serializers.textarea(A);case"checkbox":case"radio":return Form.Element.Serializers.inputSelector(A)}return false},inputSelector:function(A){if(A.checked){return[A.name,A.value]}},textarea:function(A){return[A.name,A.value]},select:function(A){return 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A=0,C=0;do{A+=B.scrollTop||0;C+=B.scrollLeft||0;B=B.parentNode}while(B);return[C,A]},cumulativeOffset:function(B){var A=0,C=0;do{A+=B.offsetTop||0;C+=B.offsetLeft||0;B=B.offsetParent}while(B);return[C,A]},positionedOffset:function(B){var A=0,C=0;do{A+=B.offsetTop||0;C+=B.offsetLeft||0;B=B.offsetParent;if(B){p=Element.getStyle(B,"position");if(p=="relative"||p=="absolute"){break}}}while(B);return[C,A]},offsetParent:function(A){if(A.offsetParent){return A.offsetParent}if(A==document.body){return A}while((A=A.parentNode)&&A!=document.body){if(Element.getStyle(A,"position")!="static"){return A}}return document.body},within:function(B,A,C){if(this.includeScrollOffsets){return this.withinIncludingScrolloffsets(B,A,C)}this.xcomp=A;this.ycomp=C;this.offset=this.cumulativeOffset(B);return(C>=this.offset[1]&&C<this.offset[1]+B.offsetHeight&&A>=this.offset[0]&&A<this.offset[0]+B.offsetWidth)},withinIncludingScrolloffsets:function(B,A,D){var C=this.realOffset(B);this.xcomp=A+C[0]-this.deltaX;this.ycomp=D+C[1]-this.deltaY;this.offset=this.cumulativeOffset(B);return(this.ycomp>=this.offset[1]&&this.ycomp<this.offset[1]+B.offsetHeight&&this.xcomp>=this.offset[0]&&this.xcomp<this.offset[0]+B.offsetWidth)},overlap:function(B,A){if(!B){return 0}if(B=="vertical"){return((this.offset[1]+A.offsetHeight)-this.ycomp)/A.offsetHeight}if(B=="horizontal"){return((this.offset[0]+A.offsetWidth)-this.xcomp)/A.offsetWidth}},clone:function(B,C){B=$(B);C=$(C);C.style.position="absolute";var A=this.cumulativeOffset(B);C.style.top=A[1]+"px";C.style.left=A[0]+"px";C.style.width=B.offsetWidth+"px";C.style.height=B.offsetHeight+"px"},page:function(D){var A=0,C=0;var B=D;do{A+=B.offsetTop||0;C+=B.offsetLeft||0;if(B.offsetParent==document.body){if(Element.getStyle(B,"position")=="absolute"){break}}}while(B=B.offsetParent);B=D;do{A-=B.scrollTop||0;C-=B.scrollLeft||0}while(B=B.parentNode);return[C,A]},clone:function(C,E){var A=Object.extend({setLeft:true,setTop:true,setWidth:true,setHeight:true,offsetTop:0,offsetLeft:0},arguments[2]||{});C=$(C);var D=Position.page(C);E=$(E);var F=[0,0];var B=null;if(Element.getStyle(E,"position")=="absolute"){B=Position.offsetParent(E);F=Position.page(B)}if(B==document.body){F[0]-=document.body.offsetLeft;F[1]-=document.body.offsetTop}if(A.setLeft){E.style.left=(D[0]-F[0]+A.offsetLeft)+"px"}if(A.setTop){E.style.top=(D[1]-F[1]+A.offsetTop)+"px"}if(A.setWidth){E.style.width=C.offsetWidth+"px"}if(A.setHeight){E.style.height=C.offsetHeight+"px"}},absolutize:function(B){B=$(B);if(B.style.position=="absolute"){return }Position.prepare();var D=Position.positionedOffset(B);var F=D[1];var E=D[0];var C=B.clientWidth;var A=B.clientHeight;B._originalLeft=E-parseFloat(B.style.left||0);B._originalTop=F-parseFloat(B.style.top||0);B._originalWidth=B.style.width;B._originalHeight=B.style.height;B.style.position="absolute";B.style.top=F+"px";B.style.left=E+"px";B.style.width=C+"px";B.style.height=A+"px"},relativize:function(A){A=$(A);if(A.style.position=="relative"){return }Position.prepare();A.style.position="relative";var C=parseFloat(A.style.top||0)-(A._originalTop||0);var B=parseFloat(A.style.left||0)-(A._originalLeft||0);A.style.top=C+"px";A.style.left=B+"px";A.style.height=A._originalHeight;A.style.width=A._originalWidth}};if(/Konqueror|Safari|KHTML/.test(navigator.userAgent)){Position.cumulativeOffset=function(B){var A=0,C=0;do{A+=B.offsetTop||0;C+=B.offsetLeft||0;if(B.offsetParent==document.body){if(Element.getStyle(B,"position")=="absolute"){break}}B=B.offsetParent}while(B);return[C,A]}}