$(document).ready(function(){
   var validator = $("#commentForm").validate({
		rules: {
			name: "required",
			
			email: {
				required: true,
				email: true
			}
			},
		messages: {
			name: "Please enter your surname",
			
			email: {
				required: "Please enter a valid email address",
				minlength: "Please enter a valid email address"
			}
		}
	});
});