<!DOCTYPE html>
<!-- there should be an html tag here, but that was my mistake -->
<html>
<head>
  <link rel="stylesheet" type="text/css" href="style.css" />
  <script type="text/javascript" src="jquery-min.js"></script>
  <!-- jquery was already included -->
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js">
  <script type="text/javascript" src="script.js"></script>
  <!-- Ideally, you would track the validity of the form with a variable
       and accumulate all the error mess