document.addEventListener('DOMContentLoaded', function() {
  'use strict';

  var config = {
    enableTime: true,
    altInput: true,
    altFormat: "j. F Y, H:i",
    dateFormat: "Y-m-d H:i",
    time_24hr: true
  };

  flatpickr('#datetime-form1 [type="date"]', {
    altFormat: "j. F Y", dateFormat: "Y-m-d", altInput: true
  });
  flatpickr('#datetime-form1 [type="time"]', {
    enableTime: true, noCalendar: true, altFormat: "H:i", dateFormat: "H:i", altInput: true, time_24hr: true
  });
  flatpickr('#datetime-form2 input', config);
});