function url_abfragen(url,target)
{
	document.getElementById(target).innerHTML = 'loading data...';
	if (window.XMLHttpRequest)
	{
		req = new XMLHttpRequest();
		req.onreadystatechange = function()
		{
			url_inhalt_ausgeben(target);
		}
		req.open("GET", url, true);
		req.send(null);
	}
	else if (window.ActiveXObject)
	{
		req = new ActiveXObject("Microsoft.XMLHTTP");
		if (req)
		{
			req.onreadystatechange = function()
			{
				url_inhalt_ausgeben(target);
			}
			req.open("GET", url, true);
			req.send();
		}
	}
}

function url_inhalt_ausgeben(target)
{
	if (req.readyState == 4) // only if req is "loaded"
	{
		if (req.status == 200 || req.status == 304)// only if "OK"
		{
			results = req.responseText;
			document.getElementById(target).innerHTML = results;
		}
		else
		{
			document.getElementById(target).innerHTML= "Error:\n" + req.statusText;
		}
	}
}