function onPermLinkClick(l)
{
    var oldRef = l.href;
    var thisloc = document.location.href;
    if (l.href.indexOf('/exitlinktracker') < 0) {
        l.href = '/exitlinktracker.php?u=' + encodeURIComponent(oldRef)
                       + '&s=' + encodeURIComponent(thisloc)
                       + '&c=' + Math.floor(Math.random() * 1000000);
    }
    return true;
}