<!doctype html>
 <html lang="en">
 <head>
    <meta charset="utf-8">
    <title>jQuery UI Datepicker - Default functionality</title>
    <link rel="stylesheet" href="jquery-ui.css">
    <script src="jquery.js" type="text/javascript"></script>
    <script src="jquery-ui.js" type="text/javascript"></script>
    <!--<script src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.18/jquery-ui.js" type="text/javascript"></script>-->
  <script>
  $(function() {
      $( "#datepicker" ).datepicker();
  });
  </script>
</head>
<body>
    <p>Date: <input type="text" id="datepicker"></p>
</body>
</html>
My date picker works if I comment out the ajax.google line. I thought the date picker is part of the jquery UI. what am I doing wrong or missing?