class Game_Party
  attr_accessor   :actors
end

class Scene_Map
  alias j_switch_update update
    def update
      j_switch_update

    if Input.trigger?(Input::L)
      unless $game_system.map_interpreter.running?
        order = $Game_Party.actors
          if order.size >= 2
            tempHolder = order.shift
            order.push(tempHolder)
          end
      end
    end
    end

end