var ww = {
    SetHomePage: function (obj) {
        if (window.netscape) {
            try {
                netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
                var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
                prefs.setCharPref('browser.startup.homepage', location.href.toString());
            }
            catch (e) { alert("此操作被Firefox拒绝！\r\n请在浏览器地址栏输入“about:config”并回车\r\n然后将[signed.applets.codebase_principal_support]设置为'true'"); }
        }
        else { obj.style.behavior = 'url(#default#homepage)'; obj.setHomePage(location.href.toString()); }
    },
    AddFav: function () {
        var title = document.title.toString();
        var url = window.location.href.toString();
        if (document.all)
            window.external.AddFavorite(url, title);
        else if (window.sidebar)
            window.sidebar.addPanel(title, url, "")
    }
}