var xmldata;
function state_Change()
{
if (xmldata.readyState==4)
{// 4 = "loaded"
	if (xmldata.status==200)
	{// 200 = "OK"
		document.getElementById('values').innerHTML=xmldata.responseText;
	}
	else
	{
		alert("Problem retrieving XML data:" + xmldata.statusText);
	}
}
}

function fetchdata(url)
{
xmldata=null;
if (window.XMLHttpRequest)
{// code for IE7, Firefox, Opera, etc.
	xmldata=new XMLHttpRequest();
}
else if (window.ActiveXObject)
{// code for IE6, IE5
	xmldata=new ActiveXObject("Microsoft.XMLHTTP");
}
if (xmldata!==null)
{
	xmldata.open("GET",url,true);
	xmldata.send(null);
	setTimeout(state_Change,1500);
}
else
{
	alert("Your browser does not support XMLHTTP.");
}
}