Jquery Validation

 <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script>
    <script type="text/javascript" src="http://ajax.microsoft.com/ajax/jQuery.Validate/1.6/jQuery.Validate.min.js"></script>
    <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.7.2/jquery-ui.js"></script>
    <link href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.7.2/themes/base/jquery-ui.css" type="text/css" rel="Stylesheet" />
<script type="text/javascript" language="javascript">
    $(document).ready(function () {
        $('#videoPlayerDiv').dialog({ autoOpen: false, modal: true, title: "RFMD Video", width: 500, resizable: false });

        // $("#").validate();

        $("#form1").validate({
            rules: {
                field: {
                    required: true,
                    email: true
                }
            }
        });

    });
    function SetVideo() {
         $('#videoPlayerDiv').dialog('open');
        $('.ui-widget-overlay').click(function () { $('#videoPlayerDiv').dialog('close'); });
    };
    </script>




 <div id="Div1" style="display:block">
   <input class="left" id="field" name="field" />
    <br/>
  <input type="submit" value="Validate!" />
</div>