<!--
  function   Test()
  {
  var   xmlhttp   =   new   ActiveXObject("MSXML2.XMLHTTP");
  xmlhttp.open("POST","OnceOnline.asp",false);   //   向onceonline.asp发送更新请求
  xmlhttp.setRequestHeader("CONTENT-TYPE","application/x-www-form-urlencoded");
  xmlhttp.send();
  }
  setInterval("Test();",10);   //   10秒钟发送一次更新请求