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);
             }
    }
}