var anfrage = null;
  try {
  anfrage = new XMLHttpRequest();
  }
  catch (e) {
    try {
      anfrage = new ActiveXObject("Msxml2.XMLHTTP");
    }
    catch (e) {
      try {
        anfrage = new ActiveXObject("Microsoft.XMLHTTP");
      }
      catch (e) {
        anfrage = null;
      }
    }
  }

function ajaxanfrage(wahl) {
  if(anfrage != null) {
    var url="sm_fo_city.php";
    var parameter = "?country="+wahl;
    url += parameter;
    anfrage.open("GET", url, true);
    anfrage.onreadystatechange=showcity;
    anfrage.send(null);
  }
  else {
    alert("The XMLHttpRequest-Object could not be established.");
  }
}

function showcity() {
  if(anfrage.readyState== 4) {
    if (anfrage.status==200) {
      var ccity = anfrage.responseText;
      document.getElementById("city").innerHTML = ccity;
    }
  }
}




function ajaxanfrage2(wahl2) {
  if(anfrage != null) {
    var url="sm_fo_office.php";
    var parameter = "?city="+wahl2;
    url += parameter;
    anfrage.open("GET", url, true);
    anfrage.onreadystatechange=showOffice;
    anfrage.send(null);
  }
  else {
    alert("The XMLHttpRequest-Object could not be established.");
  }
}

function showOffice() {
  if(anfrage.readyState== 4) {
    if (anfrage.status==200) {
      var office = anfrage.responseText;
      document.getElementById("office").innerHTML = office;
    }
  }
}