$(document).ready(function() {

	$("#userdata").validate({
	   rules: {
		 sex: "required",
		 firstname: "required",
		 surname: "required",
		 address: "required",
		 zip: "required",
		 city: "required",
		 country: "required",
		 dob01: {
		   required: true,
		   number: true
		 },
		 dob02: {
		   required: true,
		   number: true
		 },
		 dob03: {
		   required: true,
		   number: true
		 }, 
		 email: {
		   required: true,
		   email: true
		 }
	   },
	   messages: {
		 sex: "*",
		 firstname: " *",
		 surname: " *",
		 address: " *",
		 zip: " *",
		 city: " *",
		 country: " *",
		 dob01: "",
		 dob02: "",
		 dob03: " *", 		 
		 email: {
		   required: " *",
		   email: "Please enter a valid email address."
		 }
	   }
	});
});