/*加入收藏夹*/ 
function addfavorite(url,title) 
{ 
        try 
        { 
                window.external.addfavorite(url,title); 
        } 
        catch (e) 
        { 
                try 
                { 
                        window.sidebar.addPanel(title, url, ""); 
                } 
                catch (e) 
                { 
                        alert("加入收藏失败，请使用ctrl+d进行添加"); 
                } 
        } 
} 
 
/*设为首页*/ 
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); 
                                 } 
                } 

}

 本文转自 xcf007 51CTO博客，原文链接：http://blog.51cto.com/xcf007/149445，如需转载请自行联系原作者