jQuery.validator.addMethod('phoneUK', function(phone_number, element) {
	return this.optional(element) || phone_number.length > 9 &&
	phone_number.match(/^(\(?(0|\+44)[1-9]{1}\d{1,4}?\)?\s?\d{3,4}\s?\d{3,4})$/);
}, 'Please specify a valid number');