设为首页和加入收藏js

/*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);
                                 }
                }
}