var xmlhttp;
function loadXMLDoc(url)
{
	xmlhttp = null;
	if (window.XMLHttpRequest)
  {// code for all new browsers
  	xmlhttp=new XMLHttpRequest();
  }
	else if (window.ActiveXObject)
  {// code for IE5 and IE6
  	xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
	if (xmlhttp!=null)
  {
  	xmlhttp.onreadystatechange=state_Change;
  	xmlhttp.open("GET", url, false);
  	xmlhttp.send(null);
  }
	else
  {
  	alert("Your browser does not support XMLHTTP.");
  }
}


function state_Change()
{
	if (xmlhttp.readyState==4)
  {// 4 = "loaded"
  	if (xmlhttp.status==200)
    {
    	// 200 = OK
    // ...our code here...
    }
  	else
    {
    	//alert("Problem retrieving XML data");
    }
  }
}