function back()
 {
     UserDataService::removeLastRoom();
     $userData = UserDataService::getUserData();
     if ($userData->hotelId > 0) {
         $hotel = HotelService::getHotel($userData->hotelId);
         $link = JHotelUtil::getHotelLink($hotel);
     } else {
         $link = JRoute::_('index.php?option=com_jhotelreservation&task=excursionslisting.searchExcursions', false);
         UserDataService::initializeExcursions();
     }
     $this->setRedirect($link);
 }
 function back()
 {
     UserDataService::removeLastRoom();
     $userData = UserDataService::getUserData();
     $hotel = HotelService::getHotel($userData->hotelId);
     $link = JHotelUtil::getHotelLink($hotel);
     $this->setRedirect($link);
 }