function js_mac()
{
    header("content-type: application/x-javascript");
    $page = CurrentPageName();
    $uuid = urlencode($_GET["uuid"]);
    $mac = $_GET["mac-js"];
    $mac_enc = urlencode($mac);
    $q = new mysql_meta();
    $tpl = new templates();
    $hostname = $q->mac_to_host($mac);
    $title = $tpl->javascript_parse_text("{computer}::{$hostname} [{$mac}]");
    $html = "YahooUser(850,'{$page}?mac-popup={$mac_enc}&uuid={$uuid}&t={$_GET["t"]}','{$title}');";
    echo $html;
}