$(document).ready(function() {
  $('.datetimepicker').datetimepicker({
    dateFormat: Spree.translations.date_picker,
    dayNames: Spree.translations.abbr_day_names,
    dayNamesMin: Spree.translations.abbr_day_names,
    monthNames: Spree.translations.month_names,
    prevText: Spree.translations.previous,
    nextText: Spree.translations.next,
    showOn: "button",
    buttonImage: "<%= asset_path 'datepicker/cal.gif' %>",
    buttonImageOnly: true,
    stepMinute: 15
  });
});