(function($){$.widget("ui.accordion",{_init:function(){var options=this.options;if(options.navigation){var current=this.element.find("a").filter(options.navigationFilter);if(current.length){if(current.filter(options.header).length){options.active=current;}else{options.active=current.parent().parent().prev();current.addClass("ui-accordion-current");}}}
this.element.addClass("ui-accordion ui-widget ui-helper-reset");var groups=this.element.children().addClass("ui-accordion-group");var headers=options.headers=groups.find("> :first-child").addClass("ui-accordion-header ui-helper-reset ui-state-default ui-corner-all").bind("mouseenter.accordion",function(){$(this).addClass('ui-state-hover');}).bind("mouseleave.accordion",function(){$(this).removeClass('ui-state-hover');});headers.next().wrap("<div></div>").addClass("ui-accordion-content").parent().addClass("ui-accordion-content-wrap ui-helper-reset ui-widget-content ui-corner-bottom");var active=options.active=findActive(headers,options.active).toggleClass("ui-state-default").toggleClass("ui-state-active").toggleClass("ui-corner-all").toggleClass("ui-corner-top");active.parent().addClass(options.selectedClass);$("<span/>").addClass("ui-icon "+this.options.icons.header).prependTo(headers);active.find(".ui-icon").toggleClass(this.options.icons.header).toggleClass(this.options.icons.headerSelected);if($.browser.msie){this.element.find('a').css('zoom','1');}
this.resize();this.element.attr('role','tablist');var self=this;options.headers.attr('role','tab').bind('keydown',function(event){return self._keydown(event);}).next().attr('role','tabpanel');options.headers.not(options.active||"").attr('aria-expanded','false').attr("tabIndex","-1").next().hide();if(!options.active.length){options.headers.eq(0).attr('tabIndex','0');}else{options.active.attr('aria-expanded','true').attr("tabIndex","0");}
if(!$.browser.safari)
options.headers.find('a').attr('tabIndex','-1');if(options.event){this.element.bind((options.event)+".accordion",clickHandler);}},destroy:function(){this.element.removeClass("ui-accordion ui-widget ui-helper-reset").removeAttr("role").unbind(".accordion");$.removeData(this.element[0],"accordion");var groups=this.element.children().removeClass("ui-accordion-group "+this.options.selectedClass);var headers=this.options.headers.unbind(".accordion").removeClass("ui-accordion-header ui-helper-reset ui-state-default ui-corner-all ui-state-active ui-corner-top").removeAttr("role").removeAttr("aria-expanded").removeAttr("tabindex");headers.find("a").removeAttr("tabindex");headers.children(".ui-icon").remove();headers.next().children().removeClass("ui-accordion-content").each(function(){$(this).parent().replaceWith(this);})},_keydown:function(event){if(this.options.disabled||event.altKey||event.ctrlKey)
return;var keyCode=$.ui.keyCode;var length=this.options.headers.length;var currentIndex=this.options.headers.index(event.target);var toFocus=false;switch(event.keyCode){case keyCode.RIGHT:case keyCode.DOWN:toFocus=this.options.headers[(currentIndex+1)%length];break;case keyCode.LEFT:case keyCode.UP:toFocus=this.options.headers[(currentIndex-1+length)%length];break;case keyCode.SPACE:case keyCode.ENTER:return clickHandler.call(this.element[0],{target:event.target});}
if(toFocus){$(event.target).attr('tabIndex','-1');$(toFocus).attr('tabIndex','0');toFocus.focus();return false;}
return true;},resize:function(){var options=this.options,maxHeight;if(options.fillSpace){maxHeight=this.element.parent().height();options.headers.each(function(){maxHeight-=$(this).outerHeight();});var maxPadding=0;options.headers.next().each(function(){maxPadding=Math.max(maxPadding,$(this).innerHeight()-$(this).height());}).height(maxHeight-maxPadding).css('overflow','auto');}else if(options.autoHeight){maxHeight=0;options.headers.next().each(function(){maxHeight=Math.max(maxHeight,$(this).outerHeight());}).height(maxHeight);}},activate:function(index){clickHandler.call(this.element[0],{target:findActive(this.options.headers,index)[0]});}});function scopeCallback(callback,scope){return function(){return callback.apply(scope,arguments);};};function completed(cancel){if(!$.data(this,"accordion")){return;}
var instance=$.data(this,"accordion");var options=instance.options;options.running=cancel?0:--options.running;if(options.running){return;}
if(options.clearStyle){options.toShow.add(options.toHide).css({height:"",overflow:""});}
instance._trigger('change',null,options.data);}
function toggle(toShow,toHide,data,clickedActive,down){var options=$.data(this,"accordion").options;options.toShow=toShow;options.toHide=toHide;options.data=data;var complete=scopeCallback(completed,this);$.data(this,"accordion")._trigger("changestart",null,options.data);options.running=toHide.size()===0?toShow.size():toHide.size();if(options.animated){var animOptions={};if(!options.alwaysOpen&&clickedActive){animOptions={toShow:$([]),toHide:toHide,complete:complete,down:down,autoHeight:options.autoHeight||options.fillSpace};}else{animOptions={toShow:toShow,toHide:toHide,complete:complete,down:down,autoHeight:options.autoHeight||options.fillSpace};}
if(!options.proxied){options.proxied=options.animated;}
if(!options.proxiedDuration){options.proxiedDuration=options.duration;}
options.animated=$.isFunction(options.proxied)?options.proxied(animOptions):options.proxied;options.duration=$.isFunction(options.proxiedDuration)?options.proxiedDuration(animOptions):options.proxiedDuration;var animations=$.ui.accordion.animations,duration=options.duration,easing=options.animated;if(!animations[easing]){animations[easing]=function(options){this.slide(options,{easing:easing,duration:duration||700});};}
animations[easing](animOptions);}else{if(!options.alwaysOpen&&clickedActive){toShow.toggle();}else{toHide.hide();toShow.show();}
complete(true);}
toHide.prev().attr('aria-expanded','false').attr("tabIndex","-1");toShow.prev().attr('aria-expanded','true').attr("tabIndex","0").focus();;}
function clickHandler(event){var options=$.data(this,"accordion").options;if(options.disabled){return false;}
if(!event.target&&!options.alwaysOpen){options.active.parent().toggleClass(options.selectedClass);var toHide=options.active.next(),data={options:options,newHeader:$([]),oldHeader:options.active,newContent:$([]),oldContent:toHide},toShow=(options.active=$([]));toggle.call(this,toShow,toHide,data);return false;}
var clicked=$(event.target);clicked=$(clicked.parents(options.header)[0]||clicked);var clickedActive=clicked[0]==options.active[0];if(options.running||(options.alwaysOpen&&clickedActive)){return false;}
if(!clicked.is(options.header)){return;}
options.active.parent().toggleClass(options.selectedClass);options.active.removeClass("ui-state-active ui-corner-top").addClass("ui-state-default ui-corner-all").find(".ui-icon").removeClass(options.icons.headerSelected).addClass(options.icons.header);if(!clickedActive){clicked.parent().addClass(options.selectedClass);clicked.removeClass("ui-state-default ui-corner-all").addClass("ui-state-active ui-corner-top").find(".ui-icon").removeClass(options.icons.header).addClass(options.icons.headerSelected);}
var toShow=clicked.next(),toHide=options.active.next(),data={options:options,newHeader:clickedActive&&!options.alwaysOpen?$([]):clicked,oldHeader:options.active,newContent:clickedActive&&!options.alwaysOpen?$([]):toShow,oldContent:toHide},down=options.headers.index(options.active[0])>options.headers.index(clicked[0]);options.active=clickedActive?$([]):clicked;toggle.call(this,toShow,toHide,data,clickedActive,down);return false;};function findActive(headers,selector){return selector?typeof selector=="number"?headers.filter(":eq("+selector+")"):headers.not(headers.not(selector)):selector===false?$([]):headers.filter(":eq(0)");}
$.extend($.ui.accordion,{version:"1.6rc5",defaults:{autoHeight:true,alwaysOpen:true,animated:'slide',event:"click",header:"a",icons:{header:"ui-icon-triangle-1-e",headerSelected:"ui-icon-triangle-1-s"},navigationFilter:function(){return this.href.toLowerCase()==location.href.toLowerCase();},running:0,selectedClass:"ui-accordion-selected"},animations:{slide:function(options,additions){options=$.extend({easing:"swing",duration:300},options,additions);if(!options.toHide.size()){options.toShow.animate({height:"show"},options);return;}
var hideHeight=options.toHide.height(),showHeight=options.toShow.height(),difference=showHeight/hideHeight,overflow=options.toShow.css('overflow');options.toShow.css({height:0,overflow:'hidden'}).show();options.toHide.filter(":hidden").each(options.complete).end().filter(":visible").animate({height:"hide"},{step:function(now){var current=(hideHeight-now)*difference;if($.browser.msie||$.browser.opera){current=Math.ceil(current);}
options.toShow.height(current);},duration:options.duration,easing:options.easing,complete:function(){if(!options.autoHeight){options.toShow.css("height","auto");}
options.toShow.css({overflow:overflow});options.complete();}});},bounceslide:function(options){this.slide(options,{easing:options.down?"easeOutBounce":"swing",duration:options.down?1000:200});},easeslide:function(options){this.slide(options,{easing:"easeinout",duration:700});}}});})(jQuery);