https://goulash.tech/wp-content/plugins/easy-utm-tracking-with-contact-form-7/js/ucf7_scripts.js?ver=version

1
2function getQueryVariable(variable)
3	{
4    	var query = window.location.search.substring(1);
5    	var vars = query.split("&");
6    	for (var i=0;i<vars.length;i++) {
7           	var pair = vars[i].split("=");
8           	if(pair[0] == variable){return pair[1];}
9    	}
10    	return(false);
11	}    
12	
13    
14	function createCookie(name,value,days) {    
15    	var expires = "";
16    	if (days) {
17        	var date = new Date();
18        	date.setTime(date.getTime()+(days*24*60*60*1000));
19        	var expires = "; expires="+date.toGMTString();
20    	}
21    	document.cookie = name+"="+value+expires+"; path=/";
22	}
23
24	function readCookie(name) {
25    	var nameEQ = name + "=";
26    	var ca = document.cookie.split(';');
27    	for(var i=0;i < ca.length;i++) {
28        	var c = ca[i];
29        	while (c.charAt(0)==' ') c = c.substring(1,c.length);
30        	if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
31    	}
32    	return null;
33	}
34	function eraseCookie(name) {
35    	createCookie(name,"",-1);
36	}
37	var c_name = "_deco_utmz";
38	if(getQueryVariable("utm_source") != "") {
39    	createCookie("_deco_utmz", getQueryVariable("utm_source") + "|" + getQueryVariable("utm_medium")+ "|" + getQueryVariable("utm_term")+ "|" + getQueryVariable("utm_campaign")+ "|" + getQueryVariable("utm_content"), 60);
40        createCookie("_deco_utmurl", window.location.href.split('?')[0], 60);
41	}
42    //checking if referrer is external url.
43    
44    if(document.referrer.indexOf(location.protocol + "//" + location.host) === 0){
45       createCookie("_deco_utm_referrer", document.referrer, 60);
46       }