function SetHomepage(pageURL) { 
     if (document.all) { 
         document.body.style.behavior='url(#default#homepage)'; 
         document.body.setHomePage(pageURL); 
     } 
     else if (window.sidebar) { 
         if(window.netscape) { 
             try { 
                 netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect"); 
             } 
             catch (e) { 
                 alert( "抱歉！您的浏览器不支持直接设为首页。请在浏览器地址栏输入“about:config”并回车然后将[signed.applets.codebase_principal_support]设置为“true”，点击“加入收藏”后忽略安全提示，即可设置成功。" ); 
             } 
         } 
         var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components. interfaces.nsIPrefBranch); 
         prefs.setCharPref('browser.startup.homepage',pageURL); 
     } 
}

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,请手动添加."); 
         } 
     } 
}