content: sub init()
      m.top.visible = true
      m.Alphamenu = m.top.findNode("Alphamenu")
      m.Alphamenu.focusable = true
      m.Alphatext = m.top.findNode("alphatext")
      m.focusedChild = m.top.findNode("focusedChild")
      m.Alphamenu.focusedFont.size = 25
      m.Alphamenu.font.size = 25
  end sub
  
  function onKeyEvent(key as string, press as boolean) as boolean
      if not press then
          return false
      end if
      if key = "OK"
          child = m.Alphatext.getChild(m.Alphamenu.itemFocused)
          if child.title = m.top.itemAlphaSelected
              m.top.itemAlphaSelected = ""
              m.Alphamenu.focusFootprintBitmapUri = ""
          else
              m.Alphamenu.focusFootprintBitmapUri = "pkg:/images/white.png"
              m.top.itemAlphaSelected = child.title
          end if
          return true
      end if
      if key = "up"
          if m.Alphamenu.itemFocused = 0
              m.Alphamenu.jumpToItem = m.Alphamenu.numRows - 1
              return true
          end if
      end if
      if key = "down"
          if m.Alphamenu.itemFocused = m.Alphamenu.numRows - 1
              m.Alphamenu.jumpToItem = 0
              return true
          end if
      end if
      return false
  end function