content: sub RenderGridContent()
    InitScreenStack()
    InitGridScreen()
    InitFilmScreen()
    InitShowScreen()
    ShowGridScreen()
    RunContentTask("Grid")
   ' print m.screenStack
  end sub
  
  sub RenderFilmContent()
    InitScreenStack()
    ShowFilmScreen()
    RunContentTask("Film")
   ' print m.screenStack
  end sub
  
  sub RenderShowContent()
    InitScreenStack()
    ShowShowScreen()
    RunContentTask("Show")
   ' print m.screenStack
  end sub
  
  sub UnrenderContent()
    RemoveGridScreen()
    RemoveFilmScreen()
    RemoveShowScreen()
  end sub
  