function setHome(obj) {
    var url = window.location.href;
    try {
        obj.style.behavior = 'url(#default#homepage)'; 
        obj.setHomePage(url);
    }
    catch (e) {
        if (window.netscape) {
            try {
                netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");
            }
            catch (e) {
                alert("此操作被浏览器拒绝！\n请在浏览器地址栏输入“about:config”并回车\n然后将 [signed.applets.codebase_principal_support]的值设置为'true',双击即可。");
            }
            var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
            prefs.setCharPref('browser.startup.homepage', url);
        }
    }
}
function addFavorite() {
    var url = window.location.href;
    try {
        window.external.addFavorite(url, "异名网域-智能网站服务提供商！");
    }
    catch (e) {
        try {
            window.sidebar.addPanel("异名网域-智能网站服务提供商！", url, "");
        }
        catch (e) {
            alert("加入收藏失败，请使用Ctrl+D进行添加");
        }
    }
}