local x,y,yi
mon=peripheral.wrap("left")
term.redirect(mon)
x,y=term.getSize()
yi=2
--[[links]]paintutils.drawLine(1,1,1,y,colors.blue)
--[[unten]]paintutils.drawLine(1,y,x,y,colors.blue)
--[[oben]]paintutils.drawLine(1,1,x,1,colors.blue)
--[[rechts]]paintutils.drawLine(1,y-1,x,y-1,colors.blue)

paintutils.drawLine(x,1,x,y,colors.blue)
while yi~=y-1 do
  paintutils.drawLine(2,yi,x-1,yi,colors.lightBlue)
  yi=yi+1
end
sbutton = paintutils.loadImage("button")
paintutils.drawImage(sbutton,1,y-2)
term.restore()