function addfavorite()
{
    var surl=window.location;
    var stitle=document.title;
    
    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 addfavoriteparam(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);
                 }
        }
}