/*
############################################################################################
## NB! This code is included in utils.js, there is no need to include this file on your page
############################################################################################
*/

/*
 * jQuery UI 1.5.3
 *
 * Copyright (c) 2008 Paul Bakaus (ui.jquery.com)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * http://docs.jquery.com/UI
 *
 * Includes: Tabs, Draggable, Droppable, Dialog, effects
 */
 
(function(C){C.ui={plugin:{add:function(E,F,H){var G=C.ui[E].prototype;for(var D in H){G.plugins[D]=G.plugins[D]||[];G.plugins[D].push([F,H[D]])}},call:function(D,F,E){var H=D.plugins[F];if(!H){return }for(var G=0;G<H.length;G++){if(D.options[H[G][0]]){H[G][1].apply(D.element,E)}}}},cssCache:{},css:function(D){if(C.ui.cssCache[D]){return C.ui.cssCache[D]}var E=C('<div class="ui-gen">').addClass(D).css({position:"absolute",top:"-5000px",left:"-5000px",display:"block"}).appendTo("body");C.ui.cssCache[D]=!!((!(/auto|default/).test(E.css("cursor"))||(/^[1-9]/).test(E.css("height"))||(/^[1-9]/).test(E.css("width"))||!(/none/).test(E.css("backgroundImage"))||!(/transparent|rgba\(0, 0, 0, 0\)/).test(E.css("backgroundColor"))));try{C("body").get(0).removeChild(E.get(0))}catch(F){}return C.ui.cssCache[D]},disableSelection:function(D){C(D).attr("unselectable","on").css("MozUserSelect","none")},enableSelection:function(D){C(D).attr("unselectable","off").css("MozUserSelect","")},hasScroll:function(G,E){var D=/top/.test(E||"top")?"scrollTop":"scrollLeft",F=false;if(G[D]>0){return true}G[D]=1;F=G[D]>0?true:false;G[D]=0;return F}};var B=C.fn.remove;C.fn.remove=function(){C("*",this).add(this).triggerHandler("remove");return B.apply(this,arguments)};function A(E,F,G){var D=C[E][F].getter||[];D=(typeof D=="string"?D.split(/,?\s+/):D);return(C.inArray(G,D)!=-1)}C.widget=function(E,D){var F=E.split(".")[0];E=E.split(".")[1];C.fn[E]=function(J){var H=(typeof J=="string"),I=Array.prototype.slice.call(arguments,1);if(H&&A(F,E,J)){var G=C.data(this[0],E);return(G?G[J].apply(G,I):undefined)}return this.each(function(){var K=C.data(this,E);if(H&&K&&C.isFunction(K[J])){K[J].apply(K,I)}else{if(!H){C.data(this,E,new C[F][E](this,J))}}})};C[F][E]=function(I,H){var G=this;this.widgetName=E;this.widgetBaseClass=F+"-"+E;this.options=C.extend({},C.widget.defaults,C[F][E].defaults,H);this.element=C(I).bind("setData."+E,function(L,J,K){return G.setData(J,K)}).bind("getData."+E,function(K,J){return G.getData(J)}).bind("remove",function(){return G.destroy()});this.init()};C[F][E].prototype=C.extend({},C.widget.prototype,D)};C.widget.prototype={init:function(){},destroy:function(){this.element.removeData(this.widgetName)},getData:function(D){return this.options[D]},setData:function(D,E){this.options[D]=E;if(D=="disabled"){this.element[E?"addClass":"removeClass"](this.widgetBaseClass+"-disabled")}},enable:function(){this.setData("disabled",false)},disable:function(){this.setData("disabled",true)}};C.widget.defaults={disabled:false};C.ui.mouse={mouseInit:function(){var D=this;this.element.bind("mousedown."+this.widgetName,function(E){return 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E.mouseUp(H)};C(document).bind("mousemove."+this.widgetName,this._mouseMoveDelegate).bind("mouseup."+this.widgetName,this._mouseUpDelegate);return false},mouseMove:function(D){if(C.browser.msie&&!D.button){return this.mouseUp(D)}if(this._mouseStarted){this.mouseDrag(D);return false}if(this.mouseDistanceMet(D)&&this.mouseDelayMet(D)){this._mouseStarted=(this.mouseStart(this._mouseDownEvent,D)!==false);(this._mouseStarted?this.mouseDrag(D):this.mouseUp(D))}return !this._mouseStarted},mouseUp:function(D){C(document).unbind("mousemove."+this.widgetName,this._mouseMoveDelegate).unbind("mouseup."+this.widgetName,this._mouseUpDelegate);if(this._mouseStarted){this._mouseStarted=false;this.mouseStop(D)}return false},mouseDistanceMet:function(D){return(Math.max(Math.abs(this._mouseDownEvent.pageX-D.pageX),Math.abs(this._mouseDownEvent.pageY-D.pageY))>=this.options.distance)},mouseDelayMet:function(D){return this._mouseDelayMet},mouseStart:function(D){},mouseDrag:function(D){},mouseStop:function(D){},mouseCapture:function(D){return true}};C.ui.mouse.defaults={cancel:null,distance:1,delay:0}})(jQuery);(function(A){A.widget("ui.draggable",A.extend({},A.ui.mouse,{init:function(){var B=this.options;if(B.helper=="original"&&!(/(relative|absolute|fixed)/).test(this.element.css("position"))){this.element.css("position","relative")}this.element.addClass("ui-draggable");(B.disabled&&this.element.addClass("ui-draggable-disabled"));this.mouseInit()},mouseStart:function(F){var H=this.options;if(this.helper||H.disabled||A(F.target).is(".ui-resizable-handle")){return false}var C=!this.options.handle||!A(this.options.handle,this.element).length?true:false;A(this.options.handle,this.element).find("*").andSelf().each(function(){if(this==F.target){C=true}});if(!C){return false}if(A.ui.ddmanager){A.ui.ddmanager.current=this}this.helper=A.isFunction(H.helper)?A(H.helper.apply(this.element[0],[F])):(H.helper=="clone"?this.element.clone():this.element);if(!this.helper.parents("body").length){this.helper.appendTo((H.appendTo=="parent"?this.element[0].parentNode:H.appendTo))}if(this.helper[0]!=this.element[0]&&!(/(fixed|absolute)/).test(this.helper.css("position"))){this.helper.css("position","absolute")}this.margins={left:(parseInt(this.element.css("marginLeft"),10)||0),top:(parseInt(this.element.css("marginTop"),10)||0)};this.cssPosition=this.helper.css("position");this.offset=this.element.offset();this.offset={top:this.offset.top-this.margins.top,left:this.offset.left-this.margins.left};this.offset.click={left:F.pageX-this.offset.left,top:F.pageY-this.offset.top};this.offsetParent=this.helper.offsetParent();var B=this.offsetParent.offset();if(this.offsetParent[0]==document.body&&A.browser.mozilla){B={top:0,left:0}}this.offset.parent={top:B.top+(parseInt(this.offsetParent.css("borderTopWidth"),10)||0),left:B.left+(parseInt(this.offsetParent.css("borderLeftWidth"),10)||0)};var E=this.element.position();this.offset.relative=this.cssPosition=="relative"?{top:E.top-(parseInt(this.helper.css("top"),10)||0)+this.offsetParent[0].scrollTop,left:E.left-(parseInt(this.helper.css("left"),10)||0)+this.offsetParent[0].scrollLeft}:{top:0,left:0};this.originalPosition=this.generatePosition(F);this.helperProportions={width:this.helper.outerWidth(),height:this.helper.outerHeight()};if(H.cursorAt){if(H.cursorAt.left!=undefined){this.offset.click.left=H.cursorAt.left+this.margins.left}if(H.cursorAt.right!=undefined){this.offset.click.left=this.helperProportions.width-H.cursorAt.right+this.margins.left}if(H.cursorAt.top!=undefined){this.offset.click.top=H.cursorAt.top+this.margins.top}if(H.cursorAt.bottom!=undefined){this.offset.click.top=this.helperProportions.height-H.cursorAt.bottom+this.margins.top}}if(H.containment){if(H.containment=="parent"){H.containment=this.helper[0].parentNode}if(H.containment=="document"||H.containment=="window"){this.containment=[0-this.offset.relative.left-this.offset.parent.left,0-this.offset.relative.top-this.offset.parent.top,A(H.containment=="document"?document:window).width()-this.offset.relative.left-this.offset.parent.left-this.helperProportions.width-this.margins.left-(parseInt(this.element.css("marginRight"),10)||0),(A(H.containment=="document"?document:window).height()||document.body.parentNode.scrollHeight)-this.offset.relative.top-this.offset.parent.top-this.helperProportions.height-this.margins.top-(parseInt(this.element.css("marginBottom"),10)||0)]}if(!(/^(document|window|parent)$/).test(H.containment)){var D=A(H.containment)[0];var G=A(H.containment).offset();this.containment=[G.left+(parseInt(A(D).css("borderLeftWidth"),10)||0)-this.offset.relative.left-this.offset.parent.left,G.top+(parseInt(A(D).css("borderTopWidth"),10)||0)-this.offset.relative.top-this.offset.parent.top,G.left+Math.max(D.scrollWidth,D.offsetWidth)-(parseInt(A(D).css("borderLeftWidth"),10)||0)-this.offset.relative.left-this.offset.parent.left-this.helperProportions.width-this.margins.left-(parseInt(this.element.css("marginRight"),10)||0),G.top+Math.max(D.scrollHeight,D.offsetHeight)-(parseInt(A(D).css("borderTopWidth"),10)||0)-this.offset.relative.top-this.offset.parent.top-this.helperProportions.height-this.margins.top-(parseInt(this.element.css("marginBottom"),10)||0)]}}this.propagate("start",F);this.helperProportions={width:this.helper.outerWidth(),height:this.helper.outerHeight()};if(A.ui.ddmanager&&!H.dropBehaviour){A.ui.ddmanager.prepareOffsets(this,F)}this.helper.addClass("ui-draggable-dragging");this.mouseDrag(F);return 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D=A.ui.ddmanager.drop(this,C)}if((this.options.revert=="invalid"&&!D)||(this.options.revert=="valid"&&D)||this.options.revert===true){var B=this;A(this.helper).animate(this.originalPosition,parseInt(this.options.revert,10)||500,function(){B.propagate("stop",C);B.clear()})}else{this.propagate("stop",C);this.clear()}return false},clear:function(){this.helper.removeClass("ui-draggable-dragging");if(this.options.helper!="original"&&!this.cancelHelperRemoval){this.helper.remove()}this.helper=null;this.cancelHelperRemoval=false},plugins:{},uiHash:function(B){return{helper:this.helper,position:this.position,absolutePosition:this.positionAbs,options:this.options}},propagate:function(C,B){A.ui.plugin.call(this,C,[B,this.uiHash()]);if(C=="drag"){this.positionAbs=this.convertPositionTo("absolute")}return this.element.triggerHandler(C=="drag"?C:"drag"+C,[B,this.uiHash()],this.options[C])},destroy:function(){if(!this.element.data("draggable")){return }this.element.removeData("draggable").unbind(".draggable").removeClass("ui-draggable");this.mouseDestroy()}}));A.extend(A.ui.draggable,{defaults:{appendTo:"parent",axis:false,cancel:":input",delay:0,distance:1,helper:"original"}});A.ui.plugin.add("draggable","cursor",{start:function(D,C){var B=A("body");if(B.css("cursor")){C.options._cursor=B.css("cursor")}B.css("cursor",C.options.cursor)},stop:function(C,B){if(B.options._cursor){A("body").css("cursor",B.options._cursor)}}});A.ui.plugin.add("draggable","zIndex",{start:function(D,C){var B=A(C.helper);if(B.css("zIndex")){C.options._zIndex=B.css("zIndex")}B.css("zIndex",C.options.zIndex)},stop:function(C,B){if(B.options._zIndex){A(B.helper).css("zIndex",B.options._zIndex)}}});A.ui.plugin.add("draggable","opacity",{start:function(D,C){var B=A(C.helper);if(B.css("opacity")){C.options._opacity=B.css("opacity")}B.css("opacity",C.options.opacity)},stop:function(C,B){if(B.options._opacity){A(B.helper).css("opacity",B.options._opacity)}}});A.ui.plugin.add("draggable","iframeFix",{start:function(C,B){A(B.options.iframeFix===true?"iframe":B.options.iframeFix).each(function(){A('<div class="ui-draggable-iframeFix" style="background: #fff;"></div>').css({width:this.offsetWidth+"px",height:this.offsetHeight+"px",position:"absolute",opacity:"0.001",zIndex:1000}).css(A(this).offset()).appendTo("body")})},stop:function(C,B){A("div.DragDropIframeFix").each(function(){this.parentNode.removeChild(this)})}});A.ui.plugin.add("draggable","scroll",{start:function(D,C){var E=C.options;var B=A(this).data("draggable");E.scrollSensitivity=E.scrollSensitivity||20;E.scrollSpeed=E.scrollSpeed||20;B.overflowY=function(F){do{if(/auto|scroll/.test(F.css("overflow"))||(/auto|scroll/).test(F.css("overflow-y"))){return F}F=F.parent()}while(F[0].parentNode);return A(document)}(this);B.overflowX=function(F){do{if(/auto|scroll/.test(F.css("overflow"))||(/auto|scroll/).test(F.css("overflow-x"))){return F}F=F.parent()}while(F[0].parentNode);return A(document)}(this);if(B.overflowY[0]!=document&&B.overflowY[0].tagName!="HTML"){B.overflowYOffset=B.overflowY.offset()}if(B.overflowX[0]!=document&&B.overflowX[0].tagName!="HTML"){B.overflowXOffset=B.overflowX.offset()}},drag:function(D,C){var E=C.options;var B=A(this).data("draggable");if(B.overflowY[0]!=document&&B.overflowY[0].tagName!="HTML"){if((B.overflowYOffset.top+B.overflowY[0].offsetHeight)-D.pageY<E.scrollSensitivity){B.overflowY[0].scrollTop=B.overflowY[0].scrollTop+E.scrollSpeed}if(D.pageY-B.overflowYOffset.top<E.scrollSensitivity){B.overflowY[0].scrollTop=B.overflowY[0].scrollTop-E.scrollSpeed}}else{if(D.pageY-A(document).scrollTop()<E.scrollSensitivity){A(document).scrollTop(A(document).scrollTop()-E.scrollSpeed)}if(A(window).height()-(D.pageY-A(document).scrollTop())<E.scrollSensitivity){A(document).scrollTop(A(document).scrollTop()+E.scrollSpeed)}}if(B.overflowX[0]!=document&&B.overflowX[0].tagName!="HTML"){if((B.overflowXOffset.left+B.overflowX[0].offsetWidth)-D.pageX<E.scrollSensitivity){B.overflowX[0].scrollLeft=B.overflowX[0].scrollLeft+E.scrollSpeed}if(D.pageX-B.overflowXOffset.left<E.scrollSensitivity){B.overflowX[0].scrollLeft=B.overflowX[0].scrollLeft-E.scrollSpeed}}else{if(D.pageX-A(document).scrollLeft()<E.scrollSensitivity){A(document).scrollLeft(A(document).scrollLeft()-E.scrollSpeed)}if(A(window).width()-(D.pageX-A(document).scrollLeft())<E.scrollSensitivity){A(document).scrollLeft(A(document).scrollLeft()+E.scrollSpeed)}}}});A.ui.plugin.add("draggable","snap",{start:function(D,C){var B=A(this).data("draggable");B.snapElements=[];A(C.options.snap===true?".ui-draggable":C.options.snap).each(function(){var F=A(this);var E=F.offset();if(this!=B.element[0]){B.snapElements.push({item:this,width:F.outerWidth(),height:F.outerHeight(),top:E.top,left:E.left})}})},drag:function(J,N){var I=A(this).data("draggable");var L=N.options.snapTolerance||20;var D=N.absolutePosition.left,C=D+I.helperProportions.width,P=N.absolutePosition.top,O=P+I.helperProportions.height;for(var H=I.snapElements.length-1;H>=0;H--){var E=I.snapElements[H].left,B=E+I.snapElements[H].width,R=I.snapElements[H].top,M=R+I.snapElements[H].height;if(!((E-L<D&&D<B+L&&R-L<P&&P<M+L)||(E-L<D&&D<B+L&&R-L<O&&O<M+L)||(E-L<C&&C<B+L&&R-L<P&&P<M+L)||(E-L<C&&C<B+L&&R-L<O&&O<M+L))){continue}if(N.options.snapMode!="inner"){var K=Math.abs(R-O)<=20;var Q=Math.abs(M-P)<=20;var G=Math.abs(E-C)<=20;var F=Math.abs(B-D)<=20;if(K){N.position.top=I.convertPositionTo("relative",{top:R-I.helperProportions.height,left:0}).top}if(Q){N.position.top=I.convertPositionTo("relative",{top:M,left:0}).top}if(G){N.position.left=I.convertPositionTo("relative",{top:0,left:E-I.helperProportions.width}).left}if(F){N.position.left=I.convertPositionTo("relative",{top:0,left:B}).left}}if(N.options.snapMode!="outer"){var K=Math.abs(R-P)<=20;var Q=Math.abs(M-O)<=20;var G=Math.abs(E-D)<=20;var F=Math.abs(B-C)<=20;if(K){N.position.top=I.convertPositionTo("relative",{top:R,left:0}).top}if(Q){N.position.top=I.convertPositionTo("relative",{top:M-I.helperProportions.height,left:0}).top}if(G){N.position.left=I.convertPositionTo("relative",{top:0,left:E}).left}if(F){N.position.left=I.convertPositionTo("relative",{top:0,left:B-I.helperProportions.width}).left}}}}});A.ui.plugin.add("draggable","connectToSortable",{start:function(D,C){var B=A(this).data("draggable");B.sortables=[];A(C.options.connectToSortable).each(function(){if(A.data(this,"sortable")){var E=A.data(this,"sortable");B.sortables.push({instance:E,shouldRevert:E.options.revert});E.refreshItems();E.propagate("activate",D,B)}})},stop:function(D,C){var B=A(this).data("draggable");A.each(B.sortables,function(){if(this.instance.isOver){this.instance.isOver=0;B.cancelHelperRemoval=true;this.instance.cancelHelperRemoval=false;if(this.shouldRevert){this.instance.options.revert=true}this.instance.mouseStop(D);this.instance.element.triggerHandler("sortreceive",[D,A.extend(this.instance.ui(),{sender:B.element})],this.instance.options["receive"]);this.instance.options.helper=this.instance.options._helper}else{this.instance.propagate("deactivate",D,B)}})},drag:function(F,E){var D=A(this).data("draggable"),B=this;var C=function(K){var H=K.left,J=H+K.width,I=K.top,G=I+K.height;return(H<(this.positionAbs.left+this.offset.click.left)&&(this.positionAbs.left+this.offset.click.left)<J&&I<(this.positionAbs.top+this.offset.click.top)&&(this.positionAbs.top+this.offset.click.top)<G)};A.each(D.sortables,function(G){if(C.call(D,this.instance.containerCache)){if(!this.instance.isOver){this.instance.isOver=1;this.instance.currentItem=A(B).clone().appendTo(this.instance.element).data("sortable-item",true);this.instance.options._helper=this.instance.options.helper;this.instance.options.helper=function(){return E.helper[0]};F.target=this.instance.currentItem[0];this.instance.mouseCapture(F,true);this.instance.mouseStart(F,true,true);this.instance.offset.click.top=D.offset.click.top;this.instance.offset.click.left=D.offset.click.left;this.instance.offset.parent.left-=D.offset.parent.left-this.instance.offset.parent.left;this.instance.offset.parent.top-=D.offset.parent.top-this.instance.offset.parent.top;D.propagate("toSortable",F)}if(this.instance.currentItem){this.instance.mouseDrag(F)}}else{if(this.instance.isOver){this.instance.isOver=0;this.instance.cancelHelperRemoval=true;this.instance.options.revert=false;this.instance.mouseStop(F,true);this.instance.options.helper=this.instance.options._helper;this.instance.currentItem.remove();if(this.instance.placeholder){this.instance.placeholder.remove()}D.propagate("fromSortable",F)}}})}});A.ui.plugin.add("draggable","stack",{start:function(D,B){var C=A.makeArray(A(B.options.stack.group)).sort(function(F,E){return(parseInt(A(F).css("zIndex"),10)||B.options.stack.min)-(parseInt(A(E).css("zIndex"),10)||B.options.stack.min)});A(C).each(function(E){this.style.zIndex=B.options.stack.min+E});this[0].style.zIndex=B.options.stack.min+C.length}})})(jQuery);(function(A){A.widget("ui.droppable",{init:function(){this.element.addClass("ui-droppable");this.isover=0;this.isout=1;var C=this.options,B=C.accept;C=A.extend(C,{accept:C.accept&&C.accept.constructor==Function?C.accept:function(D){return A(D).is(B)}});this.proportions={width:this.element[0].offsetWidth,height:this.element[0].offsetHeight};A.ui.ddmanager.droppables.push(this)},plugins:{},ui:function(B){return{draggable:(B.currentItem||B.element),helper:B.helper,position:B.position,absolutePosition:B.positionAbs,options:this.options,element:this.element}},destroy:function(){var B=A.ui.ddmanager.droppables;for(var C=0;C<B.length;C++){if(B[C]==this){B.splice(C,1)}}this.element.removeClass("ui-droppable ui-droppable-disabled").removeData("droppable").unbind(".droppable")},over:function(C){var B=A.ui.ddmanager.current;if(!B||(B.currentItem||B.element)[0]==this.element[0]){return }if(this.options.accept.call(this.element,(B.currentItem||B.element))){A.ui.plugin.call(this,"over",[C,this.ui(B)]);this.element.triggerHandler("dropover",[C,this.ui(B)],this.options.over)}},out:function(C){var B=A.ui.ddmanager.current;if(!B||(B.currentItem||B.element)[0]==this.element[0]){return }if(this.options.accept.call(this.element,(B.currentItem||B.element))){A.ui.plugin.call(this,"out",[C,this.ui(B)]);this.element.triggerHandler("dropout",[C,this.ui(B)],this.options.out)}},drop:function(D,C){var B=C||A.ui.ddmanager.current;if(!B||(B.currentItem||B.element)[0]==this.element[0]){return false}var E=false;this.element.find(".ui-droppable").not(".ui-draggable-dragging").each(function(){var F=A.data(this,"droppable");if(F.options.greedy&&A.ui.intersect(B,A.extend(F,{offset:F.element.offset()}),F.options.tolerance)){E=true;return false}});if(E){return false}if(this.options.accept.call(this.element,(B.currentItem||B.element))){A.ui.plugin.call(this,"drop",[D,this.ui(B)]);this.element.triggerHandler("drop",[D,this.ui(B)],this.options.drop);return true}return false},activate:function(C){var B=A.ui.ddmanager.current;A.ui.plugin.call(this,"activate",[C,this.ui(B)]);if(B){this.element.triggerHandler("dropactivate",[C,this.ui(B)],this.options.activate)}},deactivate:function(C){var B=A.ui.ddmanager.current;A.ui.plugin.call(this,"deactivate",[C,this.ui(B)]);if(B){this.element.triggerHandler("dropdeactivate",[C,this.ui(B)],this.options.deactivate)}}});A.extend(A.ui.droppable,{defaults:{disabled:false,tolerance:"intersect"}});A.ui.intersect=function(L,F,J){if(!F.offset){return false}var D=(L.positionAbs||L.position.absolute).left,C=D+L.helperProportions.width,I=(L.positionAbs||L.position.absolute).top,H=I+L.helperProportions.height;var E=F.offset.left,B=E+F.proportions.width,K=F.offset.top,G=K+F.proportions.height;switch(J){case"fit":return(E<D&&C<B&&K<I&&H<G);break;case"intersect":return(E<D+(L.helperProportions.width/2)&&C-(L.helperProportions.width/2)<B&&K<I+(L.helperProportions.height/2)&&H-(L.helperProportions.height/2)<G);break;case"pointer":return(E<((L.positionAbs||L.position.absolute).left+(L.clickOffset||L.offset.click).left)&&((L.positionAbs||L.position.absolute).left+(L.clickOffset||L.offset.click).left)<B&&K<((L.positionAbs||L.position.absolute).top+(L.clickOffset||L.offset.click).top)&&((L.positionAbs||L.position.absolute).top+(L.clickOffset||L.offset.click).top)<G);break;case"touch":return((I>=K&&I<=G)||(H>=K&&H<=G)||(I<K&&H>G))&&((D>=E&&D<=B)||(C>=E&&C<=B)||(D<E&&C>B));break;default:return false;break}};A.ui.ddmanager={current:null,droppables:[],prepareOffsets:function(D,F){var B=A.ui.ddmanager.droppables;var E=F?F.type:null;for(var C=0;C<B.length;C++){if(B[C].options.disabled||(D&&!B[C].options.accept.call(B[C].element,(D.currentItem||D.element)))){continue}B[C].visible=B[C].element.css("display")!="none";if(!B[C].visible){continue}B[C].offset=B[C].element.offset();B[C].proportions={width:B[C].element[0].offsetWidth,height:B[C].element[0].offsetHeight};if(E=="dragstart"||E=="sortactivate"){B[C].activate.call(B[C],F)}}},drop:function(B,C){var D=false;A.each(A.ui.ddmanager.droppables,function(){if(!this.options){return }if(!this.options.disabled&&this.visible&&A.ui.intersect(B,this,this.options.tolerance)){D=this.drop.call(this,C)}if(!this.options.disabled&&this.visible&&this.options.accept.call(this.element,(B.currentItem||B.element))){this.isout=1;this.isover=0;this.deactivate.call(this,C)}});return D},drag:function(B,C){if(B.options.refreshPositions){A.ui.ddmanager.prepareOffsets(B,C)}A.each(A.ui.ddmanager.droppables,function(){if(this.options.disabled||this.greedyChild||!this.visible){return }var E=A.ui.intersect(B,this,this.options.tolerance);var G=!E&&this.isover==1?"isout":(E&&this.isover==0?"isover":null);if(!G){return }var F;if(this.options.greedy){var D=this.element.parents(".ui-droppable:eq(0)");if(D.length){F=A.data(D[0],"droppable");F.greedyChild=(G=="isover"?1:0)}}if(F&&G=="isover"){F["isover"]=0;F["isout"]=1;F.out.call(F,C)}this[G]=1;this[G=="isout"?"isover":"isout"]=0;this[G=="isover"?"over":"out"].call(this,C);if(F&&G=="isout"){F["isout"]=0;F["isover"]=1;F.over.call(F,C)}})}};A.ui.plugin.add("droppable","activeClass",{activate:function(C,B){A(this).addClass(B.options.activeClass)},deactivate:function(C,B){A(this).removeClass(B.options.activeClass)},drop:function(C,B){A(this).removeClass(B.options.activeClass)}});A.ui.plugin.add("droppable","hoverClass",{over:function(C,B){A(this).addClass(B.options.hoverClass)},out:function(C,B){A(this).removeClass(B.options.hoverClass)},drop:function(C,B){A(this).removeClass(B.options.hoverClass)}})})(jQuery);(function(A){A.widget("ui.tabs",{init:function(){this.options.event+=".tabs";this.tabify(true)},setData:function(B,C){if((/^selected/).test(B)){this.select(C)}else{this.options[B]=C;this.tabify()}},length:function(){return this.$tabs.length},tabId:function(B){return B.title&&B.title.replace(/\s/g,"_").replace(/[^A-Za-z0-9\-_:\.]/g,"")||this.options.idPrefix+A.data(B)},ui:function(C,B){return{options:this.options,tab:C,panel:B,index:this.$tabs.index(C)}},tabify:function(O){this.$lis=A("li:has(a[href])",this.element);this.$tabs=this.$lis.map(function(){return A("a",this)[0]});this.$panels=A([]);var P=this,D=this.options;this.$tabs.each(function(R,Q){if(Q.hash&&Q.hash.replace("#","")){P.$panels=P.$panels.add(Q.hash)}else{if(A(Q).attr("href")!="#"){A.data(Q,"href.tabs",Q.href);A.data(Q,"load.tabs",Q.href);var T=P.tabId(Q);Q.href="#"+T;var S=A("#"+T);if(!S.length){S=A(D.panelTemplate).attr("id",T).addClass(D.panelClass).insertAfter(P.$panels[R-1]||P.element);S.data("destroy.tabs",true)}P.$panels=P.$panels.add(S)}else{D.disabled.push(R+1)}}});if(O){this.element.addClass(D.navClass);this.$panels.each(function(){var Q=A(this);Q.addClass(D.panelClass)});if(D.selected===undefined){if(location.hash){this.$tabs.each(function(S,Q){if(Q.hash==location.hash){D.selected=S;if(A.browser.msie||A.browser.opera){var R=A(location.hash),T=R.attr("id");R.attr("id","");setTimeout(function(){R.attr("id",T)},500)}scrollTo(0,0);return false}})}else{if(D.cookie){var J=parseInt(A.cookie("ui-tabs"+A.data(P.element)),10);if(J&&P.$tabs[J]){D.selected=J}}else{if(P.$lis.filter("."+D.selectedClass).length){D.selected=P.$lis.index(P.$lis.filter("."+D.selectedClass)[0])}}}}D.selected=D.selected===null||D.selected!==undefined?D.selected:0;D.disabled=A.unique(D.disabled.concat(A.map(this.$lis.filter("."+D.disabledClass),function(R,Q){return P.$lis.index(R)}))).sort();if(A.inArray(D.selected,D.disabled)!=-1){D.disabled.splice(A.inArray(D.selected,D.disabled),1)}this.$panels.addClass(D.hideClass);this.$lis.removeClass(D.selectedClass);if(D.selected!==null){this.$panels.eq(D.selected).show().removeClass(D.hideClass);this.$lis.eq(D.selected).addClass(D.selectedClass);var K=function(){A(P.element).triggerHandler("tabsshow",[P.fakeEvent("tabsshow"),P.ui(P.$tabs[D.selected],P.$panels[D.selected])],D.show)};if(A.data(this.$tabs[D.selected],"load.tabs")){this.load(D.selected,K)}else{K()}}A(window).bind("unload",function(){P.$tabs.unbind(".tabs");P.$lis=P.$tabs=P.$panels=null})}for(var G=0,N;N=this.$lis[G];G++){A(N)[A.inArray(G,D.disabled)!=-1&&!A(N).hasClass(D.selectedClass)?"addClass":"removeClass"](D.disabledClass)}if(D.cache===false){this.$tabs.removeData("cache.tabs")}var C,I,B={"min-width":0,duration:1},E="normal";if(D.fx&&D.fx.constructor==Array){C=D.fx[0]||B,I=D.fx[1]||B}else{C=I=D.fx||B}var H={display:"",overflow:"",height:""};if(!A.browser.msie){H.opacity=""}function M(R,Q,S){Q.animate(C,C.duration||E,function(){Q.addClass(D.hideClass).css(H);if(A.browser.msie&&C.opacity){Q[0].style.filter=""}if(S){L(R,S,Q)}})}function L(R,S,Q){if(I===B){S.css("display","block")}S.animate(I,I.duration||E,function(){S.removeClass(D.hideClass).css(H);if(A.browser.msie&&I.opacity){S[0].style.filter=""}A(P.element).triggerHandler("tabsshow",[P.fakeEvent("tabsshow"),P.ui(R,S[0])],D.show)})}function F(R,T,Q,S){T.addClass(D.selectedClass).siblings().removeClass(D.selectedClass);M(R,Q,S)}this.$tabs.unbind(".tabs").bind(D.event,function(){var T=A(this).parents("li:eq(0)"),Q=P.$panels.filter(":visible"),S=A(this.hash);if((T.hasClass(D.selectedClass)&&!D.unselect)||T.hasClass(D.disabledClass)||A(this).hasClass(D.loadingClass)||A(P.element).triggerHandler("tabsselect",[P.fakeEvent("tabsselect"),P.ui(this,S[0])],D.select)===false){this.blur();return false}P.options.selected=P.$tabs.index(this);if(D.unselect){if(T.hasClass(D.selectedClass)){P.options.selected=null;T.removeClass(D.selectedClass);P.$panels.stop();M(this,Q);this.blur();return false}else{if(!Q.length){P.$panels.stop();var R=this;P.load(P.$tabs.index(this),function(){T.addClass(D.selectedClass).addClass(D.unselectClass);L(R,S)});this.blur();return false}}}if(D.cookie){A.cookie("ui-tabs"+A.data(P.element),P.options.selected,D.cookie)}P.$panels.stop();if(S.length){var R=this;P.load(P.$tabs.index(this),Q.length?function(){F(R,T,Q,S)}:function(){T.addClass(D.selectedClass);L(R,S)})}else{throw"jQuery UI Tabs: Mismatching fragment identifier."}if(A.browser.msie){this.blur()}return false});if(!(/^click/).test(D.event)){this.$tabs.bind("click.tabs",function(){return false})}},add:function(E,D,C){if(C==undefined){C=this.$tabs.length}var G=this.options;var I=A(G.tabTemplate.replace(/#\{href\}/g,E).replace(/#\{label\}/g,D));I.data("destroy.tabs",true);var H=E.indexOf("#")==0?E.replace("#",""):this.tabId(A("a:first-child",I)[0]);var F=A("#"+H);if(!F.length){F=A(G.panelTemplate).attr("id",H).addClass(G.hideClass).data("destroy.tabs",true)}F.addClass(G.panelClass);if(C>=this.$lis.length){I.appendTo(this.element);F.appendTo(this.element[0].parentNode)}else{I.insertBefore(this.$lis[C]);F.insertBefore(this.$panels[C])}G.disabled=A.map(G.disabled,function(K,J){return K>=C?++K:K});this.tabify();if(this.$tabs.length==1){I.addClass(G.selectedClass);F.removeClass(G.hideClass);var B=A.data(this.$tabs[0],"load.tabs");if(B){this.load(C,B)}}this.element.triggerHandler("tabsadd",[this.fakeEvent("tabsadd"),this.ui(this.$tabs[C],this.$panels[C])],G.add)},remove:function(B){var D=this.options,E=this.$lis.eq(B).remove(),C=this.$panels.eq(B).remove();if(E.hasClass(D.selectedClass)&&this.$tabs.length>1){this.select(B+(B+1<this.$tabs.length?1:-1))}D.disabled=A.map(A.grep(D.disabled,function(G,F){return G!=B}),function(G,F){return G>=B?--G:G});this.tabify();this.element.triggerHandler("tabsremove",[this.fakeEvent("tabsremove"),this.ui(E.find("a")[0],C[0])],D.remove)},enable:function(B){var C=this.options;if(A.inArray(B,C.disabled)==-1){return }var D=this.$lis.eq(B).removeClass(C.disabledClass);if(A.browser.safari){D.css("display","inline-block");setTimeout(function(){D.css("display","block")},0)}C.disabled=A.grep(C.disabled,function(F,E){return F!=B});this.element.triggerHandler("tabsenable",[this.fakeEvent("tabsenable"),this.ui(this.$tabs[B],this.$panels[B])],C.enable)},disable:function(C){var B=this,D=this.options;if(C!=D.selected){this.$lis.eq(C).addClass(D.disabledClass);D.disabled.push(C);D.disabled.sort();this.element.triggerHandler("tabsdisable",[this.fakeEvent("tabsdisable"),this.ui(this.$tabs[C],this.$panels[C])],D.disable)}},select:function(B){if(typeof B=="string"){B=this.$tabs.index(this.$tabs.filter("[href$="+B+"]")[0])}this.$tabs.eq(B).trigger(this.options.event)},load:function(G,K){var L=this,D=this.options,E=this.$tabs.eq(G),J=E[0],H=K==undefined||K===false,B=E.data("load.tabs");K=K||function(){};if(!B||!H&&A.data(J,"cache.tabs")){K();return }var M=function(N){var O=A(N),P=O.find("*:last");return P.length&&P.is(":not(img)")&&P||O};var C=function(){L.$tabs.filter("."+D.loadingClass).removeClass(D.loadingClass).each(function(){if(D.spinner){M(this).parent().html(M(this).data("label.tabs"))}});L.xhr=null};if(D.spinner){var I=M(J).html();M(J).wrapInner("<em></em>").find("em").data("label.tabs",I).html(D.spinner)}var F=A.extend({},D.ajaxOptions,{url:B,success:function(O,N){A(J.hash).html(O);C();if(D.cache){A.data(J,"cache.tabs",true)}A(L.element).triggerHandler("tabsload",[L.fakeEvent("tabsload"),L.ui(L.$tabs[G],L.$panels[G])],D.load);D.ajaxOptions.success&&D.ajaxOptions.success(O,N);K()}});if(this.xhr){this.xhr.abort();C()}E.addClass(D.loadingClass);setTimeout(function(){L.xhr=A.ajax(F)},0)},url:function(C,B){this.$tabs.eq(C).removeData("cache.tabs").data("load.tabs",B)},destroy:function(){var B=this.options;this.element.unbind(".tabs").removeClass(B.navClass).removeData("tabs");this.$tabs.each(function(){var C=A.data(this,"href.tabs");if(C){this.href=C}var D=A(this).unbind(".tabs");A.each(["href","load","cache"],function(E,F){D.removeData(F+".tabs")})});this.$lis.add(this.$panels).each(function(){if(A.data(this,"destroy.tabs")){A(this).remove()}else{A(this).removeClass([B.selectedClass,B.unselectClass,B.disabledClass,B.panelClass,B.hideClass].join(" "))}})},fakeEvent:function(B){return A.event.fix({type:B,target:this.element[0]})}});A.ui.tabs.defaults={unselect:false,event:"click",disabled:[],cookie:null,spinner:"Loading&#8230;",cache:false,idPrefix:"ui-tabs-",ajaxOptions:{},fx:null,tabTemplate:'<li><a href="#{href}"><span>#{label}</span></a></li>',panelTemplate:"<div></div>",navClass:"ui-tabs-nav",selectedClass:"ui-tabs-selected",unselectClass:"ui-tabs-unselect",disabledClass:"ui-tabs-disabled",panelClass:"ui-tabs-panel",hideClass:"ui-tabs-hide",loadingClass:"ui-tabs-loading"};A.ui.tabs.getter="length";A.extend(A.ui.tabs.prototype,{rotation:null,rotate:function(C,F){F=F||false;var B=this,E=this.options.selected;
function G(){clearInterval(B.rotation);B.rotation=setInterval(function(){E=++E<B.$tabs.length?E:0;B.select(E)},C)}
function D(H){if(!H||H.clientX){clearInterval(B.rotation)}}if(C){G();if(!F){this.$tabs.bind(this.options.event,D)}else{this.$tabs.bind(this.options.event,function(){D();E=B.options.selected;G()})}}else{D();this.$tabs.unbind(this.options.event,D)}}})})(jQuery);

/*
 * jQuery UI Dialog for 1.5.x ... sadly unpackable.
 *
 * Copyright (c) 2008 Richard D. Worth (rdworth.org)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * http://docs.jquery.com/UI/Dialog
 *
 * Depends:
 *	ui.core.js
 *	ui.draggable.js
 *	ui.resizable.js
 */
(function($) {

var setDataSwitch = {
	dragStart: "start.draggable",
	drag: "drag.draggable",
	dragStop: "stop.draggable",
	maxHeight: "maxHeight.resizable",
	minHeight: "minHeight.resizable",
	maxWidth: "maxWidth.resizable",
	minWidth: "minWidth.resizable",
	resizeStart: "start.resizable",
	resize: "drag.resizable",
	resizeStop: "stop.resizable"
};

$.widget("ui.dialog", {
	init: function() {
		var self = this,
			options = this.options,
			resizeHandles = typeof options.resizable == 'string'
				? options.resizable
				: 'n,e,s,w,se,sw,ne,nw',is

			uiDialogContent = this.element
				.addClass('ui-dialog-content')
				.wrap('<div/>')
				.wrap('<div/>'),

			uiDialogContainer = (this.uiDialogContainer = uiDialogContent.parent()
				.addClass('ui-dialog-container')
				.css({position: 'relative', width: '100%', height: '100%'})),

			title = options.title || uiDialogContent.attr('title') || '',
			uiDialogTitlebar = (this.uiDialogTitlebar =
				$('<div class="ui-dialog-titlebar"/>'))
				.append('<span class="ui-dialog-title">' + title + '</span>')
				.append('<a href="#" class="ui-dialog-titlebar-close"><span>X</span></a>')
				.prependTo(uiDialogContainer),

			uiDialog = (this.uiDialog = uiDialogContainer.parent())
				.appendTo(document.body)
				.hide()
				.addClass('ui-dialog')
				.addClass(options.dialogClass)
				// add content classes to dialog
				// to inherit theme at top level of element
				.addClass(uiDialogContent.attr('className'))
					.removeClass('ui-dialog-content')
				.css({
					position: 'absolute',
					width: options.width,
					height: options.height,
					left: options.left,
					overflow: 'hidden',
					zIndex: options.zIndex
				})
				// setting tabIndex makes the div focusable
				// setting outline to 0 prevents a border on focus in Mozilla
				.attr('tabIndex', -1).css('outline', 0).keydown(function(ev) {
					if (options.closeOnEscape) {
						var ESC = 27;
						(ev.keyCode && ev.keyCode == ESC && self.close());
					}
				})
				.mousedown(function() {
					self.moveToTop();
				}),

			uiDialogButtonPane = (this.uiDialogButtonPane = $('<div/>'))
				.addClass('ui-dialog-buttonpane').css({ position: 'absolute', bottom: 0 })
				.appendTo(uiDialog);

		this.uiDialogTitlebarClose = $('.ui-dialog-titlebar-close', uiDialogTitlebar)
			.hover(
				function() {
					$(this).addClass('ui-dialog-titlebar-close-hover');
				},
				function() {
					$(this).removeClass('ui-dialog-titlebar-close-hover');
				}
			)
			.mousedown(function(ev) {
				ev.stopPropagation();
			})
			.click(function() {
				self.close();
				return false;
			});

		this.uiDialogTitlebar.find("*").add(this.uiDialogTitlebar).each(function() {
			$.ui.disableSelection(this);
		});

		if ($.fn.draggable) {
			uiDialog.draggable({
				cancel: '.ui-dialog-content',
				helper: options.dragHelper,
				handle: '.ui-dialog-titlebar',
				start: function(e, ui) {
					self.moveToTop();
					(options.dragStart && options.dragStart.apply(self.element[0], arguments));
				},
				drag: function(e, ui) {
					(options.drag && options.drag.apply(self.element[0], arguments));
				},
				stop: function(e, ui) {
					(options.dragStop && options.dragStop.apply(self.element[0], arguments));
					$.ui.dialog.overlay.resize();
				}
			});
			(options.draggable || uiDialog.draggable('disable'));
		}

		if ($.fn.resizable) {
			uiDialog.resizable({
				cancel: '.ui-dialog-content',
				helper: options.resizeHelper,
				maxWidth: options.maxWidth,
				maxHeight: options.maxHeight,
				minWidth: options.minWidth,
				minHeight: options.minHeight,
				start: function() {
					(options.resizeStart && options.resizeStart.apply(self.element[0], arguments));
				},
				resize: function(e, ui) {
					(options.autoResize && self.size.apply(self));
					(options.resize && options.resize.apply(self.element[0], arguments));
				},
				handles: resizeHandles,
				stop: function(e, ui) {
					(options.autoResize && self.size.apply(self));
					(options.resizeStop && options.resizeStop.apply(self.element[0], arguments));
					$.ui.dialog.overlay.resize();
				}
			});
			(options.resizable || uiDialog.resizable('disable'));
		}

		this.createButtons(options.buttons);
		this.isOpen = false;

		(options.bgiframe && $.fn.bgiframe && uiDialog.bgiframe());
		(options.autoOpen && this.open());
	},

	setData: function(key, value){
		(setDataSwitch[key] && this.uiDialog.data(setDataSwitch[key], value));
		switch (key) {
			case "buttons":
				this.createButtons(value);
				break;
			case "draggable":
				this.uiDialog.draggable(value ? 'enable' : 'disable');
				break;
			case "height":
				this.uiDialog.height(value);
				break;
			case "position":
				this.position(value);
				break;
			case "resizable":
				(typeof value == 'string' && this.uiDialog.data('handles.resizable', value));
				this.uiDialog.resizable(value ? 'enable' : 'disable');
				break;
			case "title":
				$(".ui-dialog-title", this.uiDialogTitlebar).text(value);
				break;
			case "width":
				this.uiDialog.width(value);
				break;
		}

		$.widget.prototype.setData.apply(this, arguments);
	},

	position: function(pos) {
		var wnd = $(window), doc = $(document),
			pTop = doc.scrollTop(), pLeft = doc.scrollLeft(),
			minTop = pTop;

		if ($.inArray(pos, ['center','top','right','bottom','left']) >= 0) {
			pos = [
				pos == 'right' || pos == 'left' ? pos : 'center',
				pos == 'top' || pos == 'bottom' ? pos : 'middle'
			];
		}
		if (pos.constructor != Array) {
			pos = ['center', 'middle'];
		}
		if (pos[0].constructor == Number) {
			pLeft += pos[0];
		} else {
			switch (pos[0]) {
				case 'left':
					pLeft += 0;
					break;
				case 'right':
					pLeft += wnd.width() - this.uiDialog.width();
					break;
				default:
				case 'center':
					pLeft += (wnd.width() - this.uiDialog.width()) / 2;
			}
		}
		if (pos[1].constructor == Number) {
			pTop += pos[1];
		} else {
			switch (pos[1]) {
				case 'top':
					pTop += 0;
					break;
				case 'bottom':
					pTop += wnd.height() - this.uiDialog.height();
					break;
				default:
				case 'middle':
					pTop += (wnd.height() - this.uiDialog.height()) / 2;
			}
		}

		// prevent the dialog from being too high (make sure the titlebar
		// is accessible)
		pTop = Math.max(pTop, minTop);
		this.uiDialog.css({top: pTop, left: pLeft});
	},

	size: function() {
		var container = this.uiDialogContainer,
			titlebar = this.uiDialogTitlebar,
			content = this.element,
			tbMargin = parseInt(content.css('margin-top'),10) + parseInt(content.css('margin-bottom'),10),
			lrMargin = parseInt(content.css('margin-left'),10) + parseInt(content.css('margin-right'),10);
		content.height(container.height() - titlebar.outerHeight() - tbMargin);
		content.width(container.width() - lrMargin);
	},

	open: function() {
		if (this.isOpen) { return; }

		this.overlay = this.options.modal ? new $.ui.dialog.overlay(this) : null;
		(this.uiDialog.next().length > 0) && this.uiDialog.appendTo('body');
		this.position(this.options.position);
		//this.uiDialog.show(this.options.show);
		if ( !!this.options.show && !!this.options.show.effect ) {
			this.options.show.effect == "fade" ?
				this.uiDialog.fadeIn(this.options.show.speed) :
				this.uiDialog.show(this.options.show.effect,this.options.show.options,this.options.show.speed);
		} else {
			this.options.show == "fade" ?
				this.uiDialog.fadeIn() :
				this.uiDialog.show(this.options.show);
		}
		this.options.autoResize && this.size();
		this.moveToTop(true);

		// CALLBACK: open
		var openEV = null;
		var openUI = {
			options: this.options
		};
		this.uiDialogTitlebarClose.focus();
		this.element.triggerHandler("dialogopen", [openEV, openUI], this.options.open);

		this.isOpen = true;
	},

	// the force parameter allows us to move modal dialogs to their correct
	// position on open
	moveToTop: function(force) {
		if ((this.options.modal && !force)
			|| (!this.options.stack && !this.options.modal)) { return this.element.triggerHandler("dialogfocus", [null, { options: this.options }], this.options.focus); }

		var maxZ = this.options.zIndex, options = this.options;
		$('.ui-dialog:visible').each(function() {
			maxZ = Math.max(maxZ, parseInt($(this).css('z-index'), 10) || options.zIndex);
		});
		(this.overlay && this.overlay.$el.css('z-index', ++maxZ));
		this.uiDialog.css('z-index', ++maxZ);

		this.element.triggerHandler("dialogfocus", [null, { options: this.options }], this.options.focus);
	},

	close: function() {
		(this.overlay && this.overlay.destroy());
		//this.uiDialog.hide(this.options.hide);
		if ( !!this.options.hide && !!this.options.hide.effect ) {
			this.options.hide.effect == "fade" ?
				this.uiDialog.fadeOut(this.options.hide.speed) :
				this.uiDialog.hide(this.options.hide.effect,this.options.hide.options,this.options.hide.speed);
		} else {
			this.options.hide == "fade" ?
				this.uiDialog.fadeOut() :
				this.uiDialog.hide(this.options.hide);
		}

		// CALLBACK: close
		var closeEV = null;
		var closeUI = {
			options: this.options
		};
		this.element.triggerHandler("dialogclose", [closeEV, closeUI], this.options.close);
		$.ui.dialog.overlay.resize();

		this.isOpen = false;
	},

	destroy: function() {
		(this.overlay && this.overlay.destroy());
		this.uiDialog.hide();
		this.element
			.unbind('.dialog')
			.removeData('dialog')
			.removeClass('ui-dialog-content')
			.hide().appendTo('body');
		this.uiDialog.remove();
	},

	createButtons: function(buttons) {
		var self = this,
			hasButtons = false,
			uiDialogButtonPane = this.uiDialogButtonPane;

		// remove any existing buttons
		uiDialogButtonPane.empty().hide();

		$.each(buttons, function() { return !(hasButtons = true); });
		if (hasButtons) {
			uiDialogButtonPane.show();
			$.each(buttons, function(name, fn) {
				$('<button/>')
					.text(name)
					.click(function() { fn.apply(self.element[0], arguments); })
					.appendTo(uiDialogButtonPane);
			});
		}
	}
});

$.extend($.ui.dialog, {
	defaults: {
		autoOpen: true,
		autoResize: true,
		bgiframe: false,
		buttons: {},
		closeOnEscape: true,
		draggable: true,
		height: 200,
		minHeight: 100,
		minWidth: 150,
		modal: false,
		overlay: {},
		position: 'center',
		resizable: true,
		stack: true,
		width: 300,
		zIndex: 1000
	},

	overlay: function(dialog) {
		this.$el = $.ui.dialog.overlay.create(dialog);
	}
});

$.extend($.ui.dialog.overlay, {
	instances: [],
	events: $.map('focus,mousedown,mouseup,keydown,keypress,click'.split(','),
		function(e) { return e + '.dialog-overlay'; }).join(' '),
	create: function(dialog) {
		if (this.instances.length === 0) {
			// prevent use of anchors and inputs
			// we use a setTimeout in case the overlay is created from an
			// event that we're going to be cancelling (see #2804)
			setTimeout(function() {
				$('a, :input').bind($.ui.dialog.overlay.events, function() {
					// allow use of the element if inside a dialog and
					// - there are no modal dialogs
					// - there are modal dialogs, but we are in front of the topmost modal
					var allow = false;
					var $dialog = $(this).parents('.ui-dialog');
					if ($dialog.length) {
						var $overlays = $('.ui-dialog-overlay');
						if ($overlays.length) {
							var maxZ = parseInt($overlays.css('z-index'), 10);
							$overlays.each(function() {
								maxZ = Math.max(maxZ, parseInt($(this).css('z-index'), 10));
							});
							allow = parseInt($dialog.css('z-index'), 10) > maxZ;
						} else {
							allow = true;
						}
					}
					return allow;
				});
			}, 1);

			// allow closing by pressing the escape key
			$(document).bind('keydown.dialog-overlay', function(e) {
				var ESC = 27;
				(e.keyCode && e.keyCode == ESC && dialog.close());
			});

			// handle window resize
			$(window).bind('resize.dialog-overlay', $.ui.dialog.overlay.resize);
		}

		var $el = $('<div/>').appendTo(document.body)
			.addClass('ui-dialog-overlay').css($.extend({
				borderWidth: 0, margin: 0, padding: 0,
				position: 'absolute', top: 0, left: 0,
				width: this.width(),
				height: this.height()
			}, dialog.options.overlay));

		(dialog.options.bgiframe && $.fn.bgiframe && $el.bgiframe());

		this.instances.push($el);
		return $el;
	},

	destroy: function($el) {
		this.instances.splice($.inArray(this.instances, $el), 1);

		if (this.instances.length === 0) {
			$('a, :input').add([document, window]).unbind('.dialog-overlay');
		}

		$el.remove();
	},

	height: function() {
		if ($.browser.msie && $.browser.version < 7) {
			var scrollHeight = Math.max(
				document.documentElement.scrollHeight,
				document.body.scrollHeight
			);
			var offsetHeight = Math.max(
				document.documentElement.offsetHeight,
				document.body.offsetHeight
			);

			if (scrollHeight < offsetHeight) {
				return $(window).height() + 'px';
			} else {
				return scrollHeight + 'px';
			}
		} else {
			return $(document).height() + 'px';
		}
	},

	width: function() {
		if ($.browser.msie && $.browser.version < 7) {
			var scrollWidth = Math.max(
				document.documentElement.scrollWidth,
				document.body.scrollWidth
			);
			var offsetWidth = Math.max(
				document.documentElement.offsetWidth,
				document.body.offsetWidth
			);

			if (scrollWidth < offsetWidth) {
				return $(window).width() + 'px';
			} else {
				return scrollWidth + 'px';
			}
		} else {
			return $(document).width() + 'px';
		}
	},

	resize: function() {
		/* If the dialog is draggable and the user drags it past the
		 * right edge of the window, the document becomes wider so we
		 * need to stretch the overlay. If the user then drags the
		 * dialog back to the left, the document will become narrower,
		 * so we need to shrink the overlay to the appropriate size.
		 * This is handled by shrinking the overlay before setting it
		 * to the full document size.
		 */
		var $overlays = $([]);
		$.each($.ui.dialog.overlay.instances, function() {
			$overlays = $overlays.add(this);
		});

		$overlays.css({
			width: 0,
			height: 0
		}).css({
			width: $.ui.dialog.overlay.width(),
			height: $.ui.dialog.overlay.height()
		});
	}
});

$.extend($.ui.dialog.overlay.prototype, {
	destroy: function() {
		$.ui.dialog.overlay.destroy(this.$el);
	}
});

})(jQuery);