$(document).ready(function(){
	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");

	$("#contact_form").validate({
		rules: {
			name: {
				required: true,
				minlength: 3
			},
			email: {
				required: true,
				email: true
			},
			phone: {
				required: false,
				phoneUS: true
			},
			message: {
				required: true,
				minlength: 50,
				maxlength: 5000
			}
		}
	});
});