$(document).ready(function(){
    $("#contact").validate({
	rules: {
	name: {
	required: true,
	minlength: 2
	},
	lastname: {
	required: true,
	minlength: 2
	},
	email: {
	required: true,
	email: true
	},
	message: {
	required: true,
	minlength: 2
	}
	},
	messages: {
	name: "Please enter your name",
	email: "Please enter a valid email address",
	message: "Please enter a message"
	}
  });
});