code: public static ComboBox getOUComboBox(CmsObject cms, String baseOu, Log log) {
  
          return getOUComboBox(cms, baseOu, log, true);
      }
docs: Creates the ComboBox for OU selection.<p>
  @param cms CmsObject
  @param baseOu OU
  @param log Logger object
  
  @return ComboBox