Untitled

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
   "http://www.w3.org/TR/html4/loose.dtd">

<html lang="en">
<head>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
        <title>test</title>
        <script type="text/javascript" src="http://code.jquery.com/jquery-1.4.2.min.js"></script>
        <script type="text/javascript">
          $(document).ready(function(){
            $("a").click(function(e){
              e.preventDefault();
              $("#foo").load(this.href);
            });
          });
        </script>
</head>
<body>

  <div id="foo" style="background-color: red; width: 10em; height: 8em;"></div>
  <br />
  <a href="test.txt">load</a>
  <a href="lol.txt">load another</a>

</body>
</html>