多个datapicker Jquery

<script type="text/javascript">
    $(document).ready(function () {
        $("#AdddtExecutionTime").click(function () {
            $("#AdddtExecutionTime").parent().append('<p><input  name="dtExecutionStartTime" type="text" value="2012-12-17"/>~ <input  name="dtExecutionEndTime" style="width:100px" type="text" value="2012-12-18"/></p>');
            $('[name="dtExecutionStartTime"]').datepicker();
            $('[name="dtExecutionEndTime"]').datepicker();
        });
    });
</script>