How about this case:There are three different cases that could be true, 4 cylinders, 6 cylinders and 8 cylinders. I have created the 4 (Fourcyl), 6 (Sixcyl) and 8 (Eightcyl) as buttons, and created three circle objects as cyl4, cyl6 and cyl8. I want it so that when 4 is clicked it displays the circl...