bVer =  parseInt(navigator.appVersion);
if (bVer >= 4) {

        document.write ('<style type="text/css">');
        document.write (' @font-face {');
        document.write (' font-family: Satluj '+"\;");
        document.write (' font-style: normal'+"\;");
        document.write (' font-weight: normal'+"\;");
        document.write (' src: url("SATLUJ0.eot")');
        document.write ('}');
        document.write ('</style>');
}
else  {
    location.href="http://www.yoursite.com/troubleshoot.html";
}