gc

function drawBoxOutlineBackColor(x,y,x2,y2,c)
  x2 = x2+x-1
  y2 = y2+y-1
  term.setBackgroundColor(c)
  term.setCursorPos(x,y)
  term.write(string.rep(" ",x2-x+1))
  for i=y+1,y2 do
    term.setCursorPos(x,i)
    term.write(" ")
    term.setCursorPos(x2,i)
    term.write(" ")
  end
  term.setCursorPos(x,y2)
  term.write(string.rep(" ",x2-x+1))
end