function createCookie(name, value, days)
{
    if (days)
    {
        var date = new Date();
        date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
        var expires = "; expires=" + date.toGMTString();
    }
    else
        var expires = "";

    document.cookie = name + "=" + value + expires + "; path=/";
}

function setReferralCookie()
{
    var sAccountNo = document.location.href; //get current address

    if (sAccountNo != "")
        createCookie("cfhdocmailreferral", sAccountNo, 30); //30 day expiry
}