content: 
  function init()
      m.top.observeField("visible", "onVisibleChange")
      m.login_keyboard = m.top.findNode("login_keyboard")
      m.submit_button = m.top.findNode("submit_button")
      ? m.login_keyboard
  end function
  
  
  sub onVisibleChange()
      if m.top.visible = true then
          m.login_keyboard.setFocus(true)
      end if
  end sub
  
  
  