function RunDiplomacyMenu()
  local menu = WarGameMenu(panel(5))
  menu:resize(352, 352)

  menu:addLabel("Diplomacy", 176, 11)

  menu:addLabel("Allied", 136, 30, Fonts["game"])
  menu:addLabel("Enemy", 196, 30, Fonts["game"])
  menu:addLabel("Shared Vision", 286, 30, Fonts["game"])

  local allied = {}
  local enemy = {}
  local sharedvision = {}
  local j = 0

  for i=0,14 do
    if (Players[i].Type ~= PlayerNobody and ThisPlayer.Index ~= i) then
      j = j + 1

      local l = Label(Players[i].Name)
      l:setFont(Fonts["game"])
      l:adjustSize()
      menu:add(l, 16, (18 * j) + 26)

      -- FIXME: disable checkboxes in replays or if on the same team

      local alliedcb = {}
      local enemycb = {}
      local sharedvisioncb = {}

      alliedcb = menu:addCheckBox("", 126, (18 * j) + 23,
        function()
          if (alliedcb:isMarked() and enemycb:isMarked()) then
            enemycb:setMarked(false)
          end
        end)
      alliedcb:setMarked(ThisPlayer:IsAllied(Players[i]))
      allied[j] = alliedcb
      allied[j].index = i

      enemycb = menu:addCheckBox("", 186, (18 * j) + 23,
        function()
          if (alliedcb:isMarked() and enemycb:isMarked()) then
            alliedcb:setMarked(false)
          end
        end)
      enemycb:setMarked(ThisPlayer:IsEnemy(Players[i]))
      enemy[j] = enemycb

      sharedvisioncb = menu:addCheckBox("", 276, (18 * j) + 23,
        function() end)
      sharedvisioncb:setMarked(ThisPlayer:IsSharedVision(Players[i]))
      sharedvision[j] = sharedvisioncb
    end
  end

  menu:addHalfButton("~!OK", "o", 75, 352 - 40,
    function()
      for j=1,table.getn(allied) do
        local i = allied[j].index

        -- allies
        if (allied[j]:isMarked() and enemy[j]:isMarked() == false) then
          if (ThisPlayer:IsAllied(Players[i]) == false or
             ThisPlayer:IsEnemy(Players[i])) then
            SetDiplomacy(ThisPlayer.Index, "allied", i)
          end
        end

        -- enemies
        if (allied[j]:isMarked() == false and enemy[j]:isMarked()) then
          if (ThisPlayer:IsAllied(Players[i]) or
             ThisPlayer:IsEnemy(Players[i]) == false) then
            SetDiplomacy(ThisPlayer.Index, "enemy", i)
          end
        end

        -- neutral
        if (allied[j]:isMarked() == false and enemy[j]:isMarked() == false) then
          if (ThisPlayer:IsAllied(Players[i]) or
             ThisPlayer:IsEnemy(Players[i])) then
            SetDiplomacy(ThisPlayer.Index, "neutral", i)
          end
        end

        -- crazy
        if (allied[j]:isMarked() and enemy[j]:isMarked()) then
          if (ThisPlayer:IsAllied(Players[i]) == false or
             ThisPlayer:IsEnemy(Players[i]) == false) then
            SetDiplomacy(ThisPlayer.Index, "crazy", i)
          end
        end

        -- shared vision
        if (sharedvision[j]:isMarked()) then
          if (ThisPlayer:IsSharedVision(Players[i]) == false) then
            SetSharedVision(ThisPlayer.Index, true, i)
          end
        else
          if (ThisPlayer:IsSharedVision(Players[i])) then
            SetSharedVision(ThisPlayer.Index, false, i)
          end
        end
      end
      menu:stop()
    end)
  menu:addHalfButton("~!Cancel", "c", 195, 352 - 40, function() menu:stop() end)

  menu:run(false)
end