Month and Year only Jquery.datepicker

maydp.js

$(function(){
    $('.monthyearpicker').datepicker({
        dateFormat: 'mm.yy',
        changeMonth: true,
        changeYear: true,
        durration: 0,
        beforeShow: function(input, instance) {
            var dates = instance.input.val().split('.'),
                nows = $.datepicker.formatDate('mm.yy.dd', new Date()).split('.');
            $.extend(dates, {
                0: dates[0] && dates[0].length == 2 ? dates[0] : nows[0],
                1: dates[1] && dates[1].length == 4 ? dates[1] : nows[1],
                2: '01',
                length: 3
            });
            instance.settings.defaultDate = $.datepicker.parseDate('mm.yy.dd', dates.join('.'));
            instance.dpDiv.addClass('hide-calendar');
        },
        onChangeMonthYear: function(year, month, instance) {
            $(this).datepicker('setDate', $.datepicker.parseDate('mm.yy.dd', [month, year, '01'].join('.')));
        },
        onClose: function(dateText, instance) {
            instance.dpDiv.css('display', 'none').removeClass('hide-calendar');
        }
    });
    $('.datepicker').datepicker();
});