1load("docdraw.mac");
2im: apply('matrix,makelist(makelist(random(200),i,1,30),i,1,30))$
3docdraw("figures/draw_colorbox",
4	gr2d(image(im,0,0,30,30)),
5	gr2d(colorbox = false, image(im,0,0,30,30))
6)$
7