function logonSupplierNet(lang) {
  var numTxt = "";
  var user = document.getElementById("username").value;

  if(lang == "DK") {
    numTxt = "Husk at udfylde brugernavn";
  }

  if(lang == "UK") {
    numTxt = "Remember to type in a user name";
  }

  if(lang == "DE") {
    numTxt = "Bitte den Benutzernamen eingeben";
  }

  if(user == "") { alert(numTxt); document.getElementById("username").focus(); return false; }

  document.ExtUserForm.submit();
  //location.href = "Default.aspx?ID=930&Username="+user+"&Password=1";
}