Jquery validate plugin with ui.dialog

Jquery validate plugin with ui.dialog

Hi,
validator plugin  http://docs.jquery.com/Plugins/Validation is not compatible with ui.dialog?

In asp.net3.5 environment, if I show a dialog with the div containing the fields to validate, validation option are cleared and validator return always true.

A little sample:

  2. <html xmlns="http://www.w3.org/1999/xhtml">
  3. <head runat="server">
  4.     <title></title>
  5.       <link href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/themes/base/jquery-ui.css" rel="stylesheet" type="text/css"/>
  6.   <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4/jquery.min.js"></script>
  7.   <script src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/jquery-ui.min.js"></script>
  8.   <script type="text/javascript" src="http://dev.jquery.com/view/trunk/plugins/validate/jquery.validate.js"></script>
  9.     <script type="text/javascript">
  10.         $(document).ready(function () {$("#divpop").dialog({ modal: true });});
  11.         $("#form1").validate();
  12.     </script>
  13. </head>
  14. <body>
  15.     <form id="form1" runat="server">
  16.         <div>
  17.            <div id="divpop">
  18.                 <label>ciao</label><input type="text" id="txttest" name="txttest" class="required"/><br />
  19.                 <input type="button" value="validate" onclick="alert($('#form1').valid()); return false;" />
  20.             </div>
  21.         </div>
  22.     </form>
  23. </body>
  24. </html>