function chkFormular02 ()  {
   if(document.formular_anfrage.Nachname.value == "")
    {
	 alert("Please insert your name!");
     document.formular_anfrage.Nachname.focus();
     return false;
    }
   if(document.formular_anfrage.Strasse.value == "")
    {
     alert("Please insert your address!");
     document.formular_anfrage.Strasse.focus();
     return false;
    }
   if(document.formular_anfrage.PLZ.value == "")
    {
     alert("Please insert your post code!");
     document.formular_anfrage.PLZ.focus();
     return false;
    }
   if(document.formular_anfrage.Ort.value == "")
    {
     alert("Please insert your town/city!");
     document.formular_anfrage.Ort.focus();
     return false;
    }
   if(document.formular_anfrage.Land.value == "")
    {
     alert("Please insert your country!");
     document.formular_anfrage.Land.focus();
     return false;
    }
  if (document.formular_anfrage.from.value.indexOf("@") == -1) {
    alert("No e-mail address!");
    document.formular_anfrage.from.focus();
    return false;
  }
  if (document.formular_anfrage.from.value.indexOf(".") == -1) {
    alert("No e-mail address!");
    document.formular_anfrage.from.focus();
    return false;
  }
   if(document.formular_anfrage.Telefon.value == "")
    {
     alert("Please insert your telephone number!");
     document.formular_anfrage.Telefon.focus();
     return false;
    }
  if (document.formular_anfrage.Anreise.value == "DD.MM.YYYY") {
    alert("Please insert an arrival date!");
    document.formular_anfrage.Anreise.focus();
    return false;
  }
  if (document.formular_anfrage.Abreise.value == "DD.MM.YYYY") {
    alert("Please insert a departure date!");
    document.formular_anfrage.Abreise.focus();
    return false;
  }
 }