function validatePhone(phone) {
	if (phone == null) {
		return false;
	}
	//var phone_number = phone.replace(/\s+/g, "");
	var phone_number = phone.replace(/\D+/g, "");
	//http://docs.jquery.com/Plugins/Validation/CustomMethods/phoneUS
	if (phone_number.length >= 9 && phone_number.match(/^(1-?)?(\([2-9]\d{2}\)|[2-9]\d{2})-?[2-9]\d{2}-?\d{4}$/)) {
		return true;
	}
	return false;
}