text: //-- copyright
  // OpenProject is a project management system.
  // Copyright (C) 2012-2015 the OpenProject Foundation (OPF)
  //
  // This program is free software; you can redistribute it and/or
  // modify it under the terms of the GNU General Public License version 3.
  //
  // OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
  // Copyright (C) 2006-2013 Jean-Philippe Lang
  // Copyright (C) 2010-2013 the ChiliProject Team
  //
  // This program is free software; you can redistribute it and/or
  // modify it under the terms of the GNU General Public License
  // as published by the Free Software Foundation; either version 2
  // of the License, or (at your option) any later version.
  //
  // This program is distributed in the hope that it will be useful,
  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  // GNU General Public License for more details.
  //
  // You should have received a copy of the GNU General Public License
  // along with this program; if not, write to the Free Software
  // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  //
  // See doc/COPYRIGHT.rdoc for more details.
  //++
  (function($) {
    $(function() {
      /*
       * See /app/views/timelog/_date_range.html.erb
       */
      if ($('#date-range').length < 1) {
        return;
      }
      var intervalInputs = $('#to, #from'),
          // select
          period = $('#period'),
          // radio buttons
          periodOptionList = $('#period_type_list'),
          periodOptionInterval = $('#period_type_interval');
  
      var activateRadiobutton = function(radioButton) {
        return function() {
          radioButton.attr('checked', true);
        };
      };
  
  
      intervalInputs.on('click focus', activateRadiobutton(periodOptionInterval));
      period.on('click focus', activateRadiobutton(periodOptionList));
    });
  }(jQuery));
  