var currentHost = window.location.hostname;
if ((currentHost != "ozone.unep.org") &&
     (currentHost != "ozonesvr1") ) {

    currentURL = window.location.href;
    svr = "ozone.unep.org";
    currentURL = currentURL.replace(/\/(hq|staging|www|mirror)\.unep\.(org|ch)\/ozone\//i, "/" + svr + "/");
    window.location.replace(currentURL);
}