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]设置为'true'");
                            }
                            var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch);
                            prefs.setCharPref('browser.startup.homepage',vrl);
                     }
            }
        }