function validate_mailform()
{
  var realname = document.getElementById("realname").value
  var phone = document.getElementById("phone").value
  var email = document.getElementById("email").value

  var missing_name = (realname == null || realname =="")
  var missing_phone = (phone == null || phone =="")
  var missing_email = (email == null || email =="")

  if (missing_name == true)
	{ alert("Please Include Your Name and Your Email Address or a Phone Number Before Submitting This Form"); return(false); }
  if (missing_phone == true && missing_email == true)
    { alert("Please Include Your Name and Your Email Address or a Phone Number Before Submitting This Form"); return(false); }

  return(true);
}