function validate_contact() {
	if (document.contactform.name.value.length < 1) {
		 window.alert("Please enter your full name.");
		 return false;
	}
	if (document.contactform.email.value.length < 1) {
		window.alert("Please enter your email.");
		return false;
	}
	if (document.contactform.comments.value.length < 1) {
		window.alert("Please enter your message.");
		return false;
	}
	return true;
}