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Having trouble with Fomar's party change script

I really like this script but I'm having a couple problems with it: The first is that when all members of my battle party die, the game continues but you can't attack or escape. The other problem is that in battle i can scroll and use items on members who are outside of the battle party. I looked at the topic for it and it appears other people had this problem but it was never fixed. Here's the topic:

http://rmxp.org/forums/index.php?topic=9722.0

And here is the script that I am using in my game:

Code:
class Game_Party
  
  Max_Party_Size = 8
  
  def max_party_size
    return Max_Party_Size
  end
  
  def add_actor(actor_id)
    actor = $game_actors[actor_id]
    if not @actors.include?(actor) and $game_party.actors.size < Max_Party_Size
      @actors.push(actor)
      $game_player.refresh
    end
  end
  
  def all_dead?
    if $game_party.actors.size == 0
      return false
    end
    for actor in @actors
      if actor.hp > 0
        return false
      end
      if actor.index >= 4
        return true
      end
    end
    return true
  end
end

class Scene_Menu
  
  alias party_swap_update_command update_command
  def update_command
    party_swap_update_command
    if Input.trigger?(Input::LEFT) or Input.trigger?(Input::RIGHT)
      $game_system.se_play($data_system.cursor_se)
      @previous_index = @command_window.index
      @command_window.index = -1
      @command_window.active = false
      @status_window.active = true
      @status_window.index = @status_window.top_row
      return
    end
  end
  
  alias party_swap_update_status update_status
  def update_status
    if Input.trigger?(Input::B)
      unless @swapee != nil
        $game_system.se_play($data_system.cancel_se)
        if @command_window.index == -1
          @command_window.index = @previous_index
        end
        @command_window.active = true
        @status_window.active = false
        @status_window.index = -1
        return
      end
      @swapee = nil
      return
    end
    if Input.trigger?(Input::C) and @command_window.index == -1
      unless @swapee != nil
        @swapee = @status_window.index
        $game_system.se_play($data_system.decision_se)
        return
      end
      if @swapee == @status_window.index
        $game_system.se_play($data_system.decision_se)
        @swapee = nil
        return
      end
      $game_system.se_play($data_system.decision_se)
      party_ids = []
      for actor in $game_party.actors
        party_ids.push(actor.id)
      end
      swapee2 = @status_window.index
      if @swapee < swapee2
        for i in @swapee...party_ids.size
          $game_party.remove_actor(party_ids[i])
        end
        $game_party.add_actor(party_ids[swapee2])
        for i in (@swapee + 1)...party_ids.size
          unless i == swapee2
            $game_party.add_actor(party_ids[i])
          else
            $game_party.add_actor(party_ids[@swapee])
          end
        end
      else
        for i in swapee2...party_ids.size
          $game_party.remove_actor(party_ids[i])
        end
        $game_party.add_actor(party_ids[@swapee])
        for i in (swapee2 + 1)...party_ids.size
          unless i == @swapee
            $game_party.add_actor(party_ids[i])
          else
            $game_party.add_actor(party_ids[swapee2])
          end
        end
      end
      @swapee = nil
      @status_window.refresh
      return
    end
    if Input.trigger?(Input::LEFT) or Input.trigger?(Input::RIGHT)
      if @swapee == nil and @command_window.index == -1
        $game_system.se_play($data_system.cursor_se)
        @command_window.index = @previous_index
        @command_window.active = true
        @status_window.active = false
        @status_window.index = -1
      end
    end
    party_swap_update_status
  end
  
  
end

class Window_MenuStatus < Window_Selectable
  
  def initialize
    unless $game_party.actors.size > 4
      super(0, 0, 480, 480)
    else
      super(0, 0, 480, 160 * $game_party.actors.size)
    end
    self.contents = Bitmap.new(width - 32, height - 32)
    refresh
    self.active = false
    self.index = -1
  end
  
  alias large_refresh refresh
  def refresh
    large_refresh
    self.height = 480
  end
  
  def update_cursor_rect
    if @index < 0
      self.cursor_rect.empty
      return
    end
    row = @index / @column_max
    if row < self.top_row
      self.top_row = row
    end
    if row > self.top_row + (self.page_row_max - 1)
      self.top_row = row - (self.page_row_max - 1)
    end
    cursor_width = self.width / @column_max - 32
    x = @index % @column_max * (cursor_width + 32)
    y = @index / @column_max * 116 - self.oy
    self.cursor_rect.set(x, y, cursor_width, 96)
  end
  
  def top_row
    return self.oy / 116
  end
  
  def top_row=(row)
    if row < 0
      row = 0
    end
    if row > row_max - 1
      row = row_max - 1
    end
    self.oy = row * 116
  end
  
  def page_row_max
    return 4
  end
end

class Scene_Battle
  def phase3_next_actor
    begin
      if @active_battler != nil
        @active_battler.blink = false
      end
      if @actor_index == ([$game_party.actors.size, 4].min - 1)
        start_phase4
        return
      end
      @actor_index += 1
      @active_battler = $game_party.actors[@actor_index]
      @active_battler.blink = true
    end until @active_battler.inputable?
    phase3_setup_command_window
  end
  
end

class Game_Actor < Game_Battler
  def exist?
    return super == self.index < 4
  end
end

#Add on to lock character Below

class Game_Party
  
  attr_accessor   :locked
  
  alias locked_initialize initialize
  def initialize
    locked_initialize
    @locked = [1]
  end
  
end

class Scene_Menu
  
  alias locked_update update
  def update
    if @locked_window != nil
      if Input.trigger?(Input::B) or Input.trigger?(Input::C)
        @locked_window.dispose
        @locked_window = nil
      end
      return
    end
    locked_update
  end
  
  alias locked_update_command update_command
  def update_command
    if Input.trigger?(Input::B)
      if $game_party.locked == [] or $game_party.actors.size <= 4 or $game_party.locked.size > 4
        $game_system.se_play($data_system.cancel_se)
        $scene = Scene_Map.new
        return
      end
      locked = $game_party.locked.clone
      for i in 0...4
        locked.delete($game_party.actors[i].id)
      end
      if locked == []
        $game_system.se_play($data_system.cancel_se)
        $scene = Scene_Map.new
      else
        $game_system.se_play($data_system.buzzer_se)
        @locked_window = Locked.new($game_actors[locked[0]])
      end
      return
    end
    locked_update_command
  end
  
end



class Locked < Window_Base
  
  def initialize(actor)
    super(((640 - 460)/2), ((480 - 70)/2), 460, 70)
    self.contents = Bitmap.new(width - 32, height - 32)
    self.z = 5000
    @actor = actor
    refresh
  end
  
  def refresh
    self.contents.clear
    text = @actor.name + 'Lucian needs to be in the active party'
    self.contents.draw_text(4, 0, 460, 32, text)
  end
end

#Add on to set lead character Below
class Game_Party
  
  attr_accessor :fixed_lead_character
  
  alias fixed_lead_character_initialize initialize
  def initialize
    fixed_lead_character_initialize
    @fixed_lead_character = 1
  end
end


class Game_Player < Game_Character
  
  def refresh
    if $game_party.fixed_lead_character == 0
      # If party members = 0
      if $game_party.actors.size == 0
        # Clear character file name and hue
        @character_name = ""
        @character_hue = 0
        # End method
        return
      end
      # Get lead actor
      actor = $game_party.actors[0]
      # Set character file name and hue
      @character_name = actor.character_name
      @character_hue = actor.character_hue
      # Initialize opacity level and blending method
      @opacity = 255
      @blend_type = 0
    end
  else
    # Get lead actor
    actor = $data_actors[$game_party.fixed_lead_character]
    # Set character file name and hue
    @character_name = actor.character_name
    @character_hue = actor.character_hue
    # Initialize opacity level and blending method
    @opacity = 255
    @blend_type = 0
  end
end

class Window_Target < Window_Selectable
  
  def initialize
    unless $game_party.actors.size > 4
      super(0, 0, 336, 480)
    else
      super(0, 0, 336, 160 * $game_party.actors.size)
    end
    self.contents = Bitmap.new(width - 32, height - 32)
    self.z += 10
    @item_max = $game_party.actors.size
    refresh
  end
  
  alias large_refresh refresh
  def refresh
    large_refresh
    self.height = 480
  end
  
  def page_row_max
    return 4
  end
  
  def top_row
    return self.oy / 116
  end
  
  def top_row=(row)
    if row < 0
      row = 0
    end
    if row > row_max - 1
      row = row_max - 1
    end
    self.oy = row * 116
  end
  
  def update_cursor_rect
    if @index < 0
      self.cursor_rect.empty
      return
    end
    row = @index / @column_max
    if row < self.top_row
      self.top_row = row
    end
    if row > self.top_row + (self.page_row_max - 1)
      self.top_row = row - (self.page_row_max - 1)
    end
    cursor_width = self.width / @column_max - 32
    x = @index % @column_max * (cursor_width + 32)
    y = @index / @column_max * 116 - self.oy
    self.cursor_rect.set(x, y, cursor_width, 96)
  end
  
end

class Window_MenuStatus < Window_Selectable
  
  def draw_actor_name(actor, x, y)
    self.contents.font.color = normal_color
    self.contents.draw_text(x, y, 120, 32, actor.name)
    if actor.index < 4
      bitmap = RPG::Cache.icon('001-Weapon01')
      opacity = self.contents.font.color == normal_color ? 255 : 128
      self.contents.blt(x + 120, y + 4, bitmap, Rect.new(0, 0, 24, 24), opacity)
    end
  end
  
end

Any help would be greatly appreciated.
 

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