$(function(){
    options = {
        dateFormat: 'dd-M-yy',
        firstDay: 1,
        changeMonth: true,
        changeYear: true,
        showOtherMonths: true,
        yearRange: '-2:+2'
    };
    $(".datepicker").datepicker(options);
    
    
    $('#availability_form').submit(function(){
        start = $('#start_date').datepicker('getDate');
        var endtime = (start.getTime() + (24  * 60 * 60 * 1000));
        var end = new Date();
        end.setTime(endtime);
        $('#end_date').val(end.toDateString());
    });
});