Whether days in other months shown before or after the current month are selectable. This only applies if the showOtherMonths option is set to true.
Examples
True
<input id="datepicker" width="312" />
<script>
$('#datepicker').datepicker({
showOtherMonths: true,
selectOtherMonths: true
});
</script>
False
<input id="datepicker" width="312" />
<script>
$('#datepicker').datepicker({
showOtherMonths: true,
selectOtherMonths: false
});
</script>