/*
 * jQuery UI Accordion 1.6
 * 
 * Copyright (c) 2007 Jörn Zaefferer
 *
 * http://docs.jquery.com/UI/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 4876 2008-03-08 11:49:04Z joern.zaefferer $
 *
 */
;(function($){$.ui = $.ui||{};$.fn.extend({accordion: function(options, data){var args = Array.prototype.slice.call(arguments, 1);return this.each(function(){if(typeof options == "string"){var accordion = $.data(this, "ui-accordion");accordion[options].apply(accordion, args);}else if(!$(this).is(".ui-accordion"))$.data(this, "ui-accordion", new $.ui.accordion(this, options));});},activate: function(index){return this.accordion("activate", index);}});$.ui.accordion = function(container, options){this.options = options = $.extend({}, $.ui.accordion.defaults, options);this.element = container;$(container).addClass("ui-accordion");if(options.navigation){var current = $(container).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("current");}}}options.headers = $(container).find(options.header);options.active = findActive(options.headers, options.active);if(options.fillSpace){var maxHeight = $(container).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);}else if(options.autoheight){var maxHeight = 0;options.headers.next().each(function(){maxHeight = Math.max(maxHeight, $(this).outerHeight());}).height(maxHeight);}options.headers.not(options.active||"").next().hide();options.active.parent().andSelf().addClass(options.selectedClass);if(options.event)$(container).bind((options.event) + ".ui-accordion", clickHandler);};
$.ui.accordion.prototype = {activate: function(index){clickHandler.call(this.element, {target: findActive( this.options.headers, index )[0]});},enable: function(){this.options.disabled = false;},disable: function(){this.options.disabled = true;},destroy: function(){this.options.headers.next().css("display", "");if(this.options.fillSpace||this.options.autoheight){this.options.headers.next().css("height", "");}$.removeData(this.element, "ui-accordion");$(this.element).removeClass("ui-accordion").unbind(".ui-accordion");}}
function scopeCallback(callback, scope){return function(){return callback.apply(scope, arguments);};}
function completed(cancel){if(!$.data(this, "ui-accordion"))return;var instance = $.data(this, "ui-accordion");var options = instance.options;options.running = cancel ? 0 : --options.running;if(options.running)return;if(options.clearStyle){options.toShow.add(options.toHide).css({height: "",overflow: ""});}$(this).triggerHandler("change.ui-accordion", [options.data], options.change);}
function toggle(toShow, toHide, data, clickedActive, down){var options = $.data(this, "ui-accordion").options;options.toShow = toShow;options.toHide = toHide;options.data = data;var complete = scopeCallback(completed, this);options.running = toHide.size() == 0 ? toShow.size() : toHide.size();if(options.animated){if(!options.alwaysOpen && clickedActive){$.ui.accordion.animations[options.animated]({toShow: jQuery([]),toHide: toHide,complete: complete,down: down,autoheight: options.autoheight});}else{$.ui.accordion.animations[options.animated]({toShow: toShow,toHide: toHide,complete: complete,down: down,autoheight: options.autoheight});}}else{if(!options.alwaysOpen && clickedActive){toShow.toggle();}else{toHide.hide();toShow.show();}complete(true);}}
function clickHandler(event){var options = $.data(this, "ui-accordion").options;if(options.disabled)return false;if(!event.target && !options.alwaysOpen){options.active.parent().andSelf().toggleClass(options.selectedClass);var toHide = options.active.next(),data = {instance: this,options: options,newHeader: jQuery([]),oldHeader: options.active,newContent: jQuery([]),oldContent: toHide},toShow = options.active = $([]);toggle.call(this, toShow, toHide, data );return false;}var clicked = $(event.target);if(clicked.parents(options.header).length)while(!clicked.is(options.header))clicked = clicked.parent();var clickedActive = clicked[0] == options.active[0];if(options.running || (options.alwaysOpen && clickedActive))return false;if(!clicked.is(options.header))return;options.active.parent().andSelf().toggleClass(options.selectedClass);if(!clickedActive){clicked.parent().andSelf().addClass(options.selectedClass);}var toShow = clicked.next(),toHide = options.active.next(),data = {instance: this,options: options,newHeader: clicked,oldHeader: options.active,newContent: 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 != undefined ? typeof selector == "number" ? headers.filter(":eq(" + selector + ")") : headers.not(headers.not(selector)) : selector === false ? $([]) : headers.filter(":eq(0)");}
$.extend($.ui.accordion, {defaults: {selectedClass: "selected",alwaysOpen: true,animated: 'slide',event: "click",header: "a",autoheight: true,running: 0,navigationFilter: function(){return this.href.toLowerCase() == location.href.toLowerCase();}},animations: {slide: function(options, additions){options = $.extend({easing: "swing",duration: 300}, options, additions);if(!options.toHide.size()){options.toShow.animate({height: "show"}, options);return;}var hideHeight = options.toHide.height(),showHeight = options.toShow.height(),difference = showHeight / hideHeight;options.toShow.css({ height: 0, overflow: 'hidden' }).show();options.toHide.filter(":hidden").each(options.complete).end().filter(":visible").animate({height:"hide"},{step: function(now){var current = (hideHeight - now) * difference;if($.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.complete();}});},bounceslide: function(options){this.slide(options, {easing: options.down ? "bounceout" : "swing",duration: options.down ? 1000 : 200});},easeslide: function(options){this.slide(options, {easing: "easeinout",duration: 700})}}});})(jQuery);