function  readCookie(name)  
{  
   var  cookieValue  =  "";  
   var  search  =  name  +  "=";  
   if(document.cookie.length  >  0)  
   {    
       offset  =  document.cookie.indexOf(search);  
       if  (offset  !=  -1)  
       {    
           offset  +=  search.length;  
           end  =  document.cookie.indexOf(";",  offset);  
           if  (end  ==  -1)  end  =  document.cookie.length;  
           cookieValue  =  unescape(document.cookie.substring(offset,  end))  
       }  
   }  
   return  cookieValue;  
}  

var  CNcookieValue  =  readCookie("CN"); 
var  IDcookieValue  =  readCookie("userID");
//if(IDcookieValue =='' || IDcookieValue ==null || CNcookieValue =='' || CNcookieValue ==null )
if(IDcookieValue =='' || IDcookieValue ==null )
{
location.href="http://www.cnyes.com/_mem_bin/FormsLogin.asp?/chn/stockcenter/megatime/loginMegaTime.asp?RefUrl=" +window.location.href;
}