<!--
function IsLogin()
{
	    var cookieEnabled=(navigator.cookieEnabled)?   true   :   false     
        if(typeof navigator.cookieEnabled=="undefined"   &&   !cookieEnabled)
        {     
             document.cookie="Login"   
             cookieEnabled=(document.cookie.indexOf("Login")!=-1)?   true   :   false   
        }  
        
        if(cookieEnabled)   
        {
             var allcookie=document.cookie;
             if(allcookie.indexOf("flag=") > -1)
             {
                  return true;
             }
             else
             {
                 return false;
             }
        }
         else
        {
                return false;
        }
 }
-->