content: sub startDownloading()
      'creates task node and activates it
      m.contentTask = CreateObject("roSGNode", "DownloadContent")
      m.contentTask.ObserveField("content", "load")
      m.contentTask.control = "run"
  end sub
  
  sub load() 'invoked when content is ready to be used
      m.gridScreen = m.top.findNode("gridScreen")
      'm.descriptionGridScreen = m.top.findNode("descriptionGridScreen")
      m.gridScreen.SetFocus(true)
      m.gridScreen.content = m.contentTask.content 'populate Grid with content
      'm.descriptionGridScreen.content = m.contentTask.content
  end sub
  