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function Ajax(url,parm,funname)
  {
  alert(url)
  var xmlhttp=null;
  if(window.ActiveXObject)
  {
  xmlhttp= new ActiveXObject("Microsoft.XMLHTTP");
  }
  else
  {
  xmlhttp=new XMLHttpRequest();
  }
  xmlhttp.open("post",url,true);
  xmlhttp.onreadystatechange=function()
  {  
  alert(xmlhttp.readystate)
  if(xmlhttp.readystate==4)
  {
  alert(xmlhttp.readystate)
  if(xmlhttp.status==200)
  {
  funname(xmlhttp.responseXML);
  }
  }
   
  };
  xmlhttp.setRequestHeader("content-type","application/x-www-form-urlencoded");
  xmlhttp.send(parm);
  }


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xmlhttp.open("post",url,true);
//»¹Òª¼ÓÒ»¾äÏÂÃæµÄÓï¾ä°É
xmlhttp.send(null);
{{----}


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