content: sub init()
          m.title = m.top.FindNode("title")
          m.description = m.top.FindNode("description")
          m.thumbnail = m.top.FindNode("thumbnail")
          m.play_button = m.top.FindNode("play_button")
          m.top.observeField("visible", "onVisibleChange")
          m.play_button.setFocus(true)
  end sub
  
  sub onVisibleChange()
          if m.top.visible = true then
                  m.play_button.setFocus(true)
          end if
  end sub
  
  sub OnContentChange(obj)
          item = obj.getData()
          m.title.text = item.title
          m.description.text = item.description
          m.thumbnail.uri = item.HDGRIDPOSTERURL
  end sub