function loadXMLDoc(url)
{
if (window.XMLHttpRequest)
  {// code for IE7+, Firefox, Chrome, Opera, Safari
  xmlhttp=new XMLHttpRequest();
  xmlhttp.open("GET",url,false);
  xmlhttp.send(null);
  }
else
  {// code for IE6, IE5
  xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
  xmlhttp.open("GET",url,false);
  xmlhttp.send();
  }
document.getElementById('test').innerHTML=xmlhttp.responseText;
}