//<!-- 
function myBrowser() {
        app = navigator.appName;
        ver = navigator.appVersion;
        mac = ver.indexOf("Macintosh") > 0;
        win = ver.indexOf("Win") > 0;
        vnum = parseFloat(ver);
        return (((((app == "Netscape") && (vnum==4 )) || ((mac) && (app == "Microsoft Internet Explorer") && (vnum >= 4 )) || ((win) && (app == "Microsoft Internet Explorer") && (vnum >=4 )))));
}
//-->