function AddFavorite(sURL, sTitle){    try    {        window.external.addFavorite(sURL, sTitle);    }    catch (e)    {        try        {            window.sidebar.addPanel(sTitle, sURL, "");        }        catch (e)        {            alert("加入收藏失败，请使用Ctrl+D进行添加");        }    }}function SetHome(obj,vrl){        try{                obj.style.behavior='url(#default#homepage)';obj.setHomePage(vrl);        }        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',vrl);                 }        }}