filler

function color(color,lx,hx,ly,hy,orcolor)
  term.setBackgroundColor(color)
  for i=ly,hy do
    for j = lx,hx do
      term.setCursorPos(j,i)
      print(" ")
    end
  end
  if orcolor == nil then
    orcolor = colors.black
  end
  term.setBackgroundColor(orcolor)
end