var http = null;
var http_land = null;


if(window.XMLHttpRequest)
{
  http = new XMLHttpRequest();
	http_land = new XMLHttpRequest();
}
else if(window.ActiveXObject)
{
  http = new ActiveXObject("Microsoft.XMLHTTP");
	http_land = new ActiveXObject("Microsoft.XMLHTTP");
}


function update_land(land_select)
{
  if(http_land != null)
  {
    http_land.open("GET", "http://" + window.location.hostname + "/ajx/inserate_land.php?land_select="+land_select+"&land="+document.inserat_search.s_land.options[document.inserat_search.s_land.selectedIndex].value, true);
    http_land.onreadystatechange = ausgeben_land;
    http_land.send(null);
  }
  else
  {
    alert("es wurde kein objekt erzeugt");
  }

  function ausgeben_land()
  {
    if (http_land.readyState == 4)
    {
      document.getElementById("bundesland").innerHTML = http_land.responseText;
    }
  }
}