content: sub init()
      m.bgSquare = m.top.findNode("bgSquare")
      m.separator = m.top.findNode("separator")
  end sub
  
  sub changeWidth(event)
      width = event.getData()
      m.bgSquare.width = width
      m.separator.lWidth = width
  end sub
  
  sub changeHeight(event)
      height = event.getData()
      m.bgSquare.height = height
      m.separator.lTranslation = "[-1.25," + (height - 2).toStr() + "]"
  end sub