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]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);
       }
}
}