// getCookie retrieves data from the named cookie
function getCookie(cName)
{
    if (cName)
    {
        cookieArray = split(";",document.cookie);
        for (i=0; i<cookieArray.length; i++)
        {
            thisCookie = cookieArray[i];
            if (thisCookie.indexOf(cName+"=") > -1)
            {
                var valueLoc = thisCookie.indexOf("=")+1;
                cookieValue = thisCookie.substring(valueLoc, thisCookie.length);
                return unescape(cookieValue);
            }
        }
    }
    return false;
}