JColorChooser demo of SwingSet2 demo is not getting painted well on WindowsXP with Merlin build81.

java version "1.4.0-beta3"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.0-beta3-b81)
Java HotSpot(TM) Client VM (build 1.4.0-beta3-b81, mixed mode)

To reproduce :
1. Launch SwingSet2 demo as stand-alone application with Merlin-Beta3 B81.
2. Select JColorChooser demo.
3. You will see that animation is not properly displayed on the panel.