// adds phone number validation to JQuery validate.  JQuery and JQuery validate must be included first.
jQuery.validator.addMethod("phoneUS", function(phone_number, element) {
	phone_number = phone_number.replace(/\s+/g, ""); 
	return this.optional(element) || phone_number.length > 9 &&
	phone_number.match(/^(1-?)?(\([2-9]\d{2}\)|[2-9]\d{2})-?[2-9]\d{2}-?\d{4}$/);
}, "Please specify a valid phone number");