If set to true, add footer with ok and cancel buttons to the datepicker.
Examples
True
<input id="datepicker" width="312" />
<script>
$('#datepicker').datepicker({ footer: true, modal: true, header: true });
</script>
False
<input id="datepicker" width="312" />
<script>
$('#datepicker').datepicker({ footer: false });
</script>