https://www.merrittchiro.com/themes/common/javascripts/smb/jquery.slide-accordion.js?v.76d96c

1/*
2 * jQuery Accordion plugin
3 */
4;(function($) {
5	$.fn.slideAccordion = function(opt){
6		// default options
7		var options = $.extend({
8			addClassBeforeAnimation: false,
9			allowClickWhenExpanded: false,
10			activeClass:'active',
11			opener:'.opener',
12			slider:'.slide',
13			animSpeed: 300,
14			collapsible: true,
15			closeInactive: false,
16			event:'click'
17		},opt);
18
19		return this.each(function(){
20			// options
21			var accordion = $(this);
22			var items = accordion.find(':has('+options.slider+')');
23
24			items.each(function(){
25				var item = $(this);
26				var opener = item.find(options.opener);
27				var slider = item.find(options.slider);
28				opener.bind(options.event, function(e){
29					if(!slider.is(':animated')) {
30						if(item.hasClass(options.activeClass)) {
31							if(options.allowClickWhenExpanded) {
32								return;
33							} else if(options.collapsible) {
34								slider.slideUp(options.animSpeed, function(){
35									hideSlide(slider);
36									item.removeClass(options.activeClass);
37								});
38							}
39						} else {
40							// show active
41							var levelItems = item.siblings('.'+options.activeClass);
42							var sliderElements = levelItems.find(options.slider);
43							item.addClass(options.activeClass);
44							showSlide(slider).hide().slideDown(options.animSpeed);
45						
46							// collapse others
47							if(options.closeInactive) {
48								sliderElements.slideUp(options.animSpeed, function(){
49									levelItems.removeClass(options.activeClass);
50									hideSlide(sliderElements);
51								});
52							}
53						}
54					}
55					e.preventDefault();
56				});
57				if(item.hasClass(options.activeClass)) showSlide(slider); else hideSlide(slider);
58			});
59		});
60	};
61
62	// accordion slide visibility
63	var showSlide = function(slide) {
64		return slide.css({position:'', top: '', left: '', width: '' });
65	};
66	var hideSlide = function(slide) {
67		return slide.show().css({position:'absolute', top: -9999, left: -9999, width: slide.width() });
68	};
69})(jQuery);