get two types of date formate datepicker code example

Example: get two types of date formate datepicker

$('#book_on').datepicker({
    dateFormat: 'mm/dd/y',
    onSelect: function(dateText, inst) {
        var date = $(this).datepicker('getDate');
        $('#span').text($.datepicker.formatDate('dd MM yy', date));
    }
});​