https://speedwaymedia.com/wp-content/plugins/adrotate/library/jquery.groups.js

1/*
2Dynamic advert rotation for AdRotate
3Version: 1.0.2
4Original code: Arnan de Gans
5Copyright: (c) 2020-2026 Arnan de Gans
6== Settings ==
7groupid : PHP Group ID [integer, defaults to 0]
8speed : Time each slide is shown [integer: milliseconds, defaults to 3000]
9repeat_impressions : Stop counting impressions? [switch, defaults to Y]
10*/
11(function($) {
12	$.fn.gslider = function(settings) {
13		var config = {groupid:0,speed:3000};
14		if(settings) $.extend(true, config, settings)
15
16		this.each(function(i) {
17			var $cont = $(this);
18			var gallery = $(this).children();
19			var length = gallery.length;
20			var timer = 0;
21			var counter = 1;
22
23			if(length == 1) {
24				// Impression tracker (Single ad)
25	            var tracker = $cont.find(".c-1 a").attr("data-track");
26				if(typeof tracker !== 'undefined') {
27					impressiontracker(tracker);
28				}
29			}
30			
31			if(length > 1) {
32				$cont.find(".c-1").show();
33				for(n = 2; n <= length; n++) {
34					$cont.find(".c-" + n).hide();
35				}
36				
37				timer = setInterval(function(){ play(); }, config.speed);
38			}
39
40			function transitionTo(gallery, index) {
41				if((counter >= length) || (index >= length)) { 
42					counter = 1;
43				} else { 
44					counter++;
45				}
46				$cont.find(".c-" + counter).show();
47
48				// Impression tracker (Multiple ads)
49	            var tracker = $cont.find(".c-" + counter + ' a').attr("data-track");
50				if(typeof tracker !== 'undefined') {
51					impressiontracker(tracker);
52				}
53				$cont.find(".c-" + index).hide();
54			}
55			
56			function play() {
57				transitionTo(gallery, counter);
58			}
59
60			function impressiontracker(tracker) {
61	            admeta = atob(tracker).split(',');
62				var name = escape('adrotate-'+admeta[0]);
63				var now = Math.round(Date.now()/1000);
64				var expired = now - admeta[2];
65				var session = sessionStorage.getItem(name); // Get session data
66
67				if(session == null) { // New session, no previous data
68					session = 0;
69				}
70
71				if(session <= expired) { // Count new impression?
72					$.post(impression_object.ajax_url, {'action': 'adrotate_impression','track': tracker});
73				    sessionStorage.setItem(name, now);
74					delete tracker;
75				}
76			}
77		});
78		return this;
79	};
80}(jQuery));