function validate_form() {
	var name = document.getElementById('name');
	var email = document.getElementById('email');
	var message = document.getElementById('message');
	if (name.value == "Name" || name.value == null || name.value == "") {
		alert("Please specify your first and last name.");
		name.focus();
		return false;
	}
	else if(email.value == "Email" || email.value == null || email.value == "") {
		alert("Please specify an email address.");
		email.focus();
		return false;
	}
	else if(message.value == null || message.value == "") {
		alert("Please enter a message.");
		message.focus();
		return false;
	}
	else
		return true;
}