https://logadmin.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	});