function download_completed(download_speed, upload_speed, server_id) {
	download_rate = Math.round((download_speed/8)*10)/10;
	upload_rate = Math.round((upload_speed/8)*10)/10;
	var speed = document.getElementById('speed');
	if (speed) {
    speed.innerHTML = "<p><strong>Last Result:</strong><br>";
    speed.innerHTML += "Download Speed: <strong>" + download_speed + "</strong> kbps (" + download_rate + " KB/sec transfer rate)<br>";
    speed.innerHTML += "Upload Speed: <strong>" + upload_speed + "</strong> kbps (" + upload_rate + " KB/sec transfer rate)</p>";

    var concurrent_calls = Math.floor((upload_speed / 31) * .75);

    speed.innerHTML += "<p>With this upload speed, we estimate that your connection could support <strong>" + concurrent_calls + "</strong> concurrent calls.</p>";
	}

  var url="/ajax.php?download_speed="+download_speed+"&upload_speed="+upload_speed;
  oXmlHttp=GetHttpObject(ajax_handler)
  oXmlHttp.open("GET", url , true)
  oXmlHttp.send(null)
}