xmlhttp.onreadystatechange=function()
  {
  if (xmlhttp.readyState==4 && xmlhttp.status==200)
    {
	srvresp = xmlhttp.responseText;
	if(srvresp == 0)
	{
	document.write(" not authenticated");
	}
	else
	{
	document.write("authenticated");
	}


    }
  }