function validateForm() {

var content = "Vult u a.u.b. de volgende velden in.\n";

 validity = true;

	if (document.form1.naam.value == " uw naam") {
		content = content + "- Uw naam\n";		
		validity = false;
	}

	if (document.form1.MailFrom.value == " e-mail") {
		content = content + "- Uw e-mail of telefoon\n";		
		validity = false;
	}
		

	if (! validity) alert(content);
	return validity;

}