https://anrov.ru/assets/components/ms2gallery/js/web/default.js

1var ms2Gallery = {
2	initialize: function(selector) {
3		var galleries = $(selector);
4		if (!galleries.length) {
5			return false;
6		}
7
8		galleries.each(function() {
9			var gallery = $(this);
10			var thumbnails = gallery.find('.thumbnail');
11			thumbnails.on('click', function(e) {
12				e.preventDefault();
13				thumbnails.removeClass('active');
14
15				var thumbnail = $(this);
16				thumbnail.addClass('active');
17
18				var main = gallery.find('#mainImage, .mainImage');
19				main.attr('src', thumbnail.attr('href'));
20				main.parent().attr('href', thumbnail.data('image'));
21
22				var image = $(this).find('img');
23				if (image.length) {
24					main.attr('title', image[0].title)
25						.attr('alt', image[0].alt);
26				}
27
28				return false;
29			});
30			gallery.find('.thumbnail:first').click();
31		});
32
33		return true;
34	}
35};
36
37$(document).ready(function() {
38	ms2Gallery.initialize('#msGallery, .ms2Gallery');
39});