Drag and drop problem

Drag and drop problem

Hallo there everyone i am using a drag and drop sample i found on  http://www.dhtmlgoodies.com/index.html?showDownload=true&whichScript=drag_drop_nodes

the thing is that when i use another ajax to retrieve something on my application my drag and drop possibility is not working...

  2. <title>Admin Page</title>
  3. <link rel="shortcut icon" href="../images/favico.ico" type="image/x-icon" />
  4. <link type='text/css' href='../stylesheets/admin_styles.css' rel='stylesheet' media='screen' />
  5. <script type='text/javascript' src='../js/ajax.js'></script>
  6. <script type='text/javascript' src='../js/ajax_search.js'></script>
  7. <script type='text/javascript' src='../js/drag_drop_admin.js'></script>

  9. </head>
  10. <body>
  11. <div id="welcome_div"><br />
  12.   Welcome, <?php echo $_SESSION['sn'].' '.$_SESSION['cn']; ?> | <a href="../login/logout.php">Logout</a></div>
  13. <br />
  14. <div id="dhtmlgoodies_dragDropContainer">
  15.   <div id="buttons_reveal">
  16.     <form method="get">
  17.       <p class="submit">
  18.         <input type="button" onclick="getStudents();" value="Μαθητές">
  19.         <input type="button" onclick="getLabs();" value="Τμήματα">
  20.       </p>
  21.     </form>
  22.   </div>
    23.  




i got the files attached...the buttons use js to retrieve the data i want ...
bus as i said on the admin page i get no drag and drop ..

any help