function setHomepage()
{
 if (document.all)
    {
        document.body.style.behavior='url(#default#homepage)';
  document.body.setHomePage('http://www.e-key.com.cn');
 
    }
    else if (window.sidebar)
    {
    if(window.netscape)
    {
         try
   { 
            netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect"); 
         } 
         catch (e) 
         { 
    alert( "设为首页操作被浏览器拒绝，如果想启用设为首页功能，请选择信任此代码" ); 
         }
    }
    var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService(Components. interfaces.nsIPrefBranch);
    prefs.setCharPref('browser.startup.homepage','http://www.e-key.com.cn');
 }
}


function addfavorite(){	if(document.all){window.external.addFavorite("http://www.e-key.com.cn","壹课网"); }else if (window.sidebar){ alert("请使用Ctrl+D键收藏本页");}}