// einfache ajax Ladefunktion by Feudas
// getestet mit FireFox, IE7 und IE8 Beta2
function LoadData(id,url)
{
  var pic = "../grafik/ajax-loader.gif";
  var req =(window.XMLHttpRequest) ? new XMLHttpRequest() :((window.ActiveXObject) ? new ActiveXObject("Microsoft.XMLHTTP"): false);
  req.open("GET",url,true);
  req.onreadystatechange = function()
  {
    var d = document.getElementById(id);
    if (req.readyState < 4)
    {
      d.innerHTML = "<center style='margin-top:200px; margin-bottom:200px;'><img src='" + pic + "'></center>";
    }
    else
    {
      if (req.status == 200)
      {
         d.innerHTML = req.responseText;
       }
       else
       {
         window.setTimeout("LoadData(url)", 2000);
         d.innerHTML = "<center style='margin-top:5px'><img src='" + pic + "'></center>";
       }
    }
  }
  req.send(null);
}