function validateForm()
{
	var rc = false;

	if (document.form1.contact_name.value == "")
		alert("Please enter your name.");
	else if (document.form1.company_name.value == "")
		alert("Please enter your company's name.");
	else if (document.form1.phone.value == "" && document.form1.email.value == "")
		alert("Please enter your phone number and/or E-mail address.");
	else
		rc = true;

	return rc;
}