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 var xmlHttp;
 function createXMLHttpRequest(){
  if(window.ActiveXObject){
   xmlHttp=new ActiveXObject("Microsoft.XMLhTTP");
   }
  else if(window.XMLHttpRequest){
   xmlHttp=new XMLHttpRequest();
   }
  }
 function startRequest(){
  createXMLHttpRequest();
  xmlHttp.onreadystatechange=handleStateChange;
  xmlHttp.open("GET","simpleResponse.xml");
  xmlHttp.send();
  }
 function handleStateChange(){
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   if(xmlHttp.status==200||xmlHttp.status==0){
    alert("The server replied with: "+xmlHttp.responseText);
    }
   }
  }
</script>
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