function createCookie(name, value, days) {
var expires = "";
if (days) {
var date = new Date();
date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
expires = "; expires=" + date.toUTCString();
}
document.cookie = name + "=" + value + expires + "; path=/";
}
function readCookie(name) {
var nameEQ = name + "=";
var ca = document.cookie.split(';');
for (var i = 0; i < ca.length; i++) {
var c = ca[i];
while (c.charAt(0) == ' ') c = c.substring(1, c.length);
if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length, c.length);
}
return null;
}
var pageUrl = window.location.href;
if(pageUrl.indexOf('utm') > 0)
{
var utm = pageUrl.substring(pageUrl.indexOf('utm'));
createCookie("utm_cookie",utm,28);
}
if (readCookie('utm_cookie') != null) {
var edcLinks = document.querySelectorAll("a[href='https://www.eggdonorconnect.com/DonorPrescreen']");
for(x = 0; x < edcLinks.length; x++)
{
edcLinks[x].href = 'https://www.eggdonorconnect.com/DonorPrescreen?' + readCookie('utm_cookie');
