function validateForm(formobj) {
	if (formobj.name.value == '') {
		alert('Please enter your name.');
		formobj.name.focus();
		return false;
	}
	if (formobj.email.value == '') {
		alert('Please enter your email address.');
		formobj.email.focus();
		return false;
	}
	if (formobj.location.value == '') {
		alert('Please enter your message.');
		formobj.location.focus();
		return false;
	}
	return true;
}