Using the jQuery $.ajax() function

Got this from the server:
The jQuery Code START
    
    <script type="text/javascript" src="./jquery-1.5.1.js"></script>
    <script src="http://code.jquery.com/jquery-latest.js"></script>
    
    <script type="text/javascript">
      $(document).ready(function() {
        $.ajax( {
          type: "GET",
          url: "message3.txt",
          success: callback
        });
     });
     function callback(data, status) {
         $("div").text(data);
         $("#div2").text(data);
     }
    </script>
    
    <style type="text/CSS">
        <!--
        .code { color: red; }
        .back { background-color: yellow; }
        -->
   </style>
  </head>

  <body>
    <h1>Using the jQuery $.ajax() function</h1>
    Got this from the server: <div></div>
    <div id="div2"></div>