https://www.printingunited.com/wp-content/themes/napco-2021/js/napco/napco-promo-code.js?ver=1772726425

1
2// what is the URL query string parameter to look for?
3var napco_promo_code_parameter = 'src';
4
5// referenced by php, including in the napco gravity forms plugin
6var napco_promo_code_cookie = 'napco_src';
7
8function getParameterByName(name, url) {
9  if (!url) {
10    url = window.location.href;
11  }
12  name = name.replace(/[\[\]]/g, "\\$&");
13  var regex = new RegExp("[?&]" + name + "(=([^&#]*)|&|#|$)", "i"),
14          results = regex.exec(url);
15  if (!results)
16    return null;
17  if (!results[2])
18    return '';
19  return decodeURIComponent(results[2].replace(/\+/g, " "));
20}
21
22//set the cookie if the url has "src"
23url_promo_code = getParameterByName(napco_promo_code_parameter);
24if (url_promo_code) {
25  jQuery.cookie(napco_promo_code_cookie, url_promo_code, {
26    expires: 10, //expires in 10 days
27    path: '/'
28  });
29}
30
31jQuery(document).ready(function () {
32//automatically attach to cvent links
33  if (jQuery.cookie(napco_promo_code_cookie)) {
34    jQuery('a[href*="cvent"]').each(function () {
35      href = jQuery(this).attr('href');
36      if (href.indexOf('?') == -1)
37        url_char = '?';
38      else
39        url_char = '&';
40      jQuery(this).attr('href', href + url_char + 'refid=' + jQuery.cookie(napco_promo_code_cookie));
41    });
42  }
43});