$(function() {
	$('.error').hide();
	$(".button").click(function() {
	// validate and process form here

	$('.error').hide();
	var name = $("input#name").val();
	if (name == "Your first name") {
		$("label#name_error").show();
		$("input#name").focus();
		return false;
	}
  	
	var email = $("input#email").val();
  	if (email == "Your email address") {
		$("label#email_error").show();
		$("input#email").focus();
		return false;
	}

	var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
	var email = $("input#email").val();
  	if (reg.test(email) == false) {
		$("label#email_error").show();
		$("input#email").focus();
		return false;
	}

	});
});