function form_Validator(form)
{

  if (form.Submitter_Name.value == "")
  {
    alert("Please enter your name.");
    form.Submitter_Name.focus();
	return (false);
     }

  if (form.email.value == "")
  {
    alert("Please enter your email address.");
    form.email.focus();
    return (false);
  }
  
  if (form.Message.value == "")
  {
    alert("Please enter your question or comment in the feedback field.");
    form.Message.focus();
    return (false);
  }  
  
  if (form.codeval.value == "")
  {
    alert("Please re-type the code you see in the box.");
    form.codeval.focus();
    return (false);
  }   
  
  return (true);
  }