function addWebFav() {
    try {
        window.external.AddFavorite(window.location.href, window.document.title);
    }
    catch (ex) {
        window.alert('sorry your browser dosen\'t support this function');
    }
    return false;
}

function addWebSer() {
    try {
        window.external.AddSearchProvider('http://www.jeosystems.com/Search/OpenSearchDescription.xml');
    }
    catch (ex) {
        window.alert('sorry your browser dosen\'t support this function');
    }
    return false;
}

function addWebHom() {
    if (document.all) {
        document.body.style.behavior = 'url(#default#homepage)';
        document.body.setHomePage('http://www.jeosystems.com/');
    }
    else if (window.sidebar) {
        if (window.netscape) {
            try {
                netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
            }
            catch (e) {
                window.alert('sorry your browser dosen\'t support this function');
            }
        }
        var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
        prefs.setCharPref('browser.startup.homepage', 'http://www.jeosystems.com/');
    }
    return false;
}

function addWebApp() {
    try {
        window.external.msAddSiteMode();
    }
    catch (ex) {
        window.alert('sorry your browser dosen\'t support this function');
    }
    return false;
}

window.onload = function () {
    try {
        document.addEventListener('mssitemodeinstalled', function () { window.alert("Site Mode shortcut installed sucessfully."); window.close(); }, false);
    }
    catch (ex) {
        // window.alert('sorry your browser dosen\'t support this function');
    }
};