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var xmlHttp;
var flag = false;
function createXMLHttpRequest()
{
  if(window.ActiveXObject)
  {
    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
  else if(window.XMLHttpRequest)
  {
  xmlHttp=new XMLHttpRequest();
  }
}
function getResults()
{
createXMLHttpRequest();
xmlHttp.onreadystatechange=handleStateChange;
var url = "xxxx.do?timeStamp=" + new Date().getTime();
xmlHttp.open("GET",url,true);
xmlHttp.send(null);
}
function handleStateChange()
{
    if(xmlHttp.readyState==4)
    {
    if(xmlHttp.status==200)
    {
      var text = xmlHttp.responseText ;
    if(null != text)
    {
    //±íʾajax¶ÁÈ¡³É¹¦ÁË.
    }
    }
    // Èç¹û²éѯȫ²¿½áÊø£¬ÔòÌø×ªµ½²éѯ½á¹ûÕ¹Ê¾Ò³Ãæ
    if(flag)
    {
      window.location = "xxxx.do";
    }
  }
}


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