function wr_list_callback(req)
{
	var msg = "There was an error processing the request.\n\nPlease refresh and try again."

	if (req.responseXML.documentElement)
	{
		var response = req.responseXML.documentElement;
		if (response.getElementsByTagName('msg'))
		{
			var msg = response.getElementsByTagName('msg')[0].firstChild.data;
		}
	}

	alert(msg);
}