function Validator(theForm)
{

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

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

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