function Validator(theForm)
{

  if (theForm.NameUN.value == "")
  {
    alert("Please enter a value for the \"Name\" field.");
    theForm.NameUN.focus();
    return (false);
  }

  if (theForm.EmailAddressUN.value == "")
  {
    alert("Please enter a value for the \"Email address\" field.");
    theForm.EmailAddressUN.focus();
    return (false);
  }
  return (true);
}