function Payment_Form_Validator(theForm)
{
  /*
  ** Validate Your_Name
  */
  if (theForm.your_name.value == "")
  {
    alert("Please complete the \"Your Name\" field.");
    theForm.your_name.focus();
    return (false);
  }

  /*
  ** Validate Company_Name
  **
  ** ... no validation needed
  */

  /*
  ** Validate Invoices
  */
  if (theForm.invoices.value == "")
  {
    alert("Please complete the \"Invoice(s)\" field.");
    theForm.invoices.focus();
    return (false);
  }

  /*
  ** Validate Amount
  */
  if (theForm.amount.value == "")
  {
    alert("Please complete the \"Amount\" field.");
    theForm.amount.focus();
    return (false);
  }

  return (true);
}