content: sub init()
      m.comicGrid = m.top.findNode("comicGrid")
      m.comicGrid.content = m.top.comicThumbnails
  
      m.comicGrid.observeField("itemSelected", "onItemSelected")
  end sub
  
  sub onItemSelected()
      item = m.comicGrid.itemSelected
      comicId = item.id
      scene = createObject("roSGScreen").createScene("ComicDetailScene")
      scene.comicId = comicId
      m.top.close()
      m.top.show(scene)
  end sub
  