https://horrorzone.ru/application/maxsite/plugins/tabs/tabs.js

1$(function() {
2	var getCookiesFilter = function (cookieNameRegEx) { // фильтрует куки по регулярному выражению
3			var allCookies = document.cookie,
4				arrayCookies = allCookies.split(/\s*;\s*/),
5				cookies = {},
6				i,
7				max,
8				keyValue;
9			if (allCookies) 
10			{
11				for (i = 0, max = arrayCookies.length; i < max; i += 1) 
12				{
13					keyValue = arrayCookies[i].split("=");
14					if (keyValue[0].match(cookieNameRegEx)) 
15					{
16						cookies[decodeURIComponent(keyValue[0])] = decodeURIComponent(keyValue[1]);
17					}
18				}
19			}
20			return cookies;
21		},
22		objCookies = getCookiesFilter(/tabs_widget_[0-9a-z]+/);
23
24	$.each(objCookies, function(key, value)
25	{
26		$("." + key + " .elem").eq(value).addClass("tabs-current").siblings().removeClass("tabs-current")
27			.parents("div.tabs").find(".tabs-box").hide().eq(value).show();
28	});
29	
30	$(".tabs-nav").on("click", ".elem:not(.tabs-current)", function() 
31	{
32		var cookieName = $(this).parents(".tabs_widget").attr("class").match(/tabs_widget_[0-9a-z]+/).join(),
33			index = $(this).index();
34		$(this).addClass("tabs-current").siblings().removeClass("tabs-current")
35				.parents("div.tabs").find(".tabs-box").hide().eq(index).fadeIn(300);
36		$.cookie(cookieName, index, {expires: 1, path: "/"});
37	});
38});