/*
 * Accordion 1.5 - jQuery menu widget
 *
 * Copyright (c) 2007 Jörn Zaefferer, Frank Marcia
 *
 * http://bassistance.de/jquery-plugins/jquery-plugin-accordion/
 *
 * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 *
 * Revision: $Id: jquery.accordion.js 4137 2007-12-13 12:37:58Z joern.zaefferer $
 *
 */
(function($){$.ui=$.ui||{};$.ui.accordion={};$.extend($.ui.accordion,{defaults:{selectedClass:"selected",alwaysOpen:true,animated:'slide',event:"click",header:"a",autoheight:true},animations:{slide:function(settings,additions){settings=$.extend({easing:"swing",duration:300},settings,additions);if(!settings.toHide.size()){settings.toShow.animate({height:"show"},settings);return;}var hideHeight=settings.toHide.height(),showHeight=settings.toShow.height(),difference=showHeight/hideHeight;settings.toShow.css({height:0,overflow:'hidden'}).show();settings.toHide.filter(":hidden").each(settings.complete).end().filter(":visible").animate({height:"hide"},{step:function(now){settings.toShow.height((hideHeight-(now))*difference);},duration:settings.duration,easing:settings.easing,complete:settings.complete});},bounceslide:function(settings){this.slide(settings,{easing:settings.down?"bounceout":"swing",duration:settings.down?1000:200});},easeslide:function(settings){this.slide(settings,{easing:"easeinout",duration:700})}}});$.fn.extend({accordion:function(settings){if(!this.length)return this;settings=$.extend({},$.ui.accordion.defaults,settings);if(settings.navigation){var current=this.find("a").filter(function(){return this.href==location.href;});if(current.length){if(current.filter(settings.header).length){settings.active=current;}else{settings.active=current.parent().parent().prev();current.addClass("current");}}}var container=this,headers=container.find(settings.header),active=findActive(settings.active),running=0;if(settings.fillSpace){var maxHeight=this.parent().height();headers.each(function(){maxHeight-=$(this).outerHeight();});var maxPadding=0;headers.next().each(function(){maxPadding=Math.max(maxPadding,$(this).innerHeight()-$(this).height());}).height(maxHeight-maxPadding);}else if(settings.autoheight){var maxHeight=0;headers.next().each(function(){maxHeight=Math.max(maxHeight,$(this).outerHeight());}).height(maxHeight);}headers.not(active||"").next().hide();active.addClass(settings.selectedClass);function findActive(selector){return selector!=undefined?typeof selector=="number"?headers.filter(":eq("+selector+")"):headers.not(headers.not(selector)):selector===false?$("<div>"):headers.filter(":eq(0)");}function toggle(toShow,toHide,data,clickedActive,down){var complete=function(cancel){running=cancel?0:--running;if(running)return;if(settings.clearStyle){toShow.add(toHide).css({height:"",overflow:""});}container.trigger("change",data);};running=toHide.size()==0?toShow.size():toHide.size();if(settings.animated){if(!settings.alwaysOpen&&clickedActive){toShow.slideToggle(settings.animated);complete(true);}else{$.ui.accordion.animations[settings.animated]({toShow:toShow,toHide:toHide,complete:complete,down:down});}}else{if(!settings.alwaysOpen&&clickedActive){toShow.toggle();}else{toHide.hide();toShow.show();}complete(true);}}function clickHandler(event){if(!event.target&&!settings.alwaysOpen){active.toggleClass(settings.selectedClass);var toHide=active.next();var toShow=active=$([]);toggle(toShow,toHide);return false;}var clicked=$(event.target);if(clicked.parents(settings.header).length)while(!clicked.is(settings.header))clicked=clicked.parent();var clickedActive=clicked[0]==active[0];if(running||(settings.alwaysOpen&&clickedActive)||!clicked.is(settings.header))return false;active.toggleClass(settings.selectedClass);if(!clickedActive){clicked.addClass(settings.selectedClass);}var toShow=clicked.next(),toHide=active.next(),data=[clicked,active,toShow,toHide],down=headers.index(active[0])>headers.index(clicked[0]);active=clickedActive?$([]):clicked;toggle(toShow,toHide,data,clickedActive,down);return false;};function activateHandler(event,index){if(arguments.length==1)return;clickHandler({target:findActive(index)[0]});};return container.bind(settings.event||"",clickHandler).bind("activate",activateHandler);},activate:function(index){return this.trigger('activate',[index]);},unaccordion:function(){return this.find("*").andSelf().unbind().end().end();}});})(jQuery);