OpenTimeTracker/application/forms/layouts/editMessageFormLayout.phtml

<?php echo $this->formstart(); ?>
    <div class="row">
        <div class="small-12 columns">
            <?php echo $this->fields['expireDate'] ?>
        </div>
        <div class="small-12 columns">
            <?php echo $this->fields['message'] ?>
        </div>
        <div class="small-12 columns">
            <?php echo $this->fields['submit'] ?>
        </div>
    </div>
<?php echo $this->formend(); ?>

<script>
    $(document).ready(function() {
        $(function () {
            $("#expireDate").datepicker({
                numberOfMonths: 1,
                minDate: 0,
                showWeek: false,
                showButtonPanel: false
            });
        });
    });
</script>