function getTweetbacks(sShortUrl)
{
	var sUrl = 'http://www.netzwelt.de/xml/tweetbacks.php?url=' + sShortUrl;
	
	try
	{
		oReqC = new XMLHttpRequest();
	}
	catch(e)
	{
		try
		{
			oReqC = new ActiveXObject("Microsoft.XMLHTTP");
		}
		catch(e)
		{
			oReqC = false;
		}
	}
	
	if (oReqC)
	{	
		lRand = Math.round(Math.random() * 100);
		sUrl 	= sUrl + "&rand=" + lRand;
		
		oReqC.onreadystatechange = processComments;
		oReqC.open("GET", sUrl, true);
		oReqC.send(null);
	}
}

function processComments()
{
  if (oReqC.readyState == 4)
  {
    if (oReqC.status == 200)
    {
    	$('retweets').innerHTML = oReqC.responseText;
    }
  }
}