var dateFormat = 'Y-m-d';
var timeFormat = 'H:i';
var timeStep = 15;
$(document).ready(function() {
  $.getScript("static/functions/jquery.datetimepicker.js", function() {
    $(".date_picker").datetimepicker({
      timepicker: false,
      format: dateFormat,
      validateOnBlur: false
    });
    $(".datetime_picker").datetimepicker({
      format: dateFormat,
      step: timeStep,
      validateOnBlur: false
    });
    $(".time_picker").datetimepicker({
      format: timeFormat,
      datepicker: false,
      step: timeStep,
      validateOnBlur: false

    });
  });
});