Bug Info:
=========
I applied a background color for vertical and horizontal progress bars and I switched to different look and feels(metal/motif/gtk/winxp).I can able to see the applied background in all the look and feels except winxp look and feel.

JDK Info:
=========
java version "1.6.0-rc"
Java(TM) SE Runtime Environment (build 1.6.0-rc-b98)
Java HotSpot(TM) Client VM (build 1.6.0-rc-b98, mixed mode)

It can be reproducible with 1.5.0_08 b03 also.

Steps to Reproduce:
===================
1. Download the attached java file.
2. Execute the java file.
3. Switches to different look and feels using look and feel menu.

Expected Results:
=================
The background color of horizontal and vertical progress bars should be green and blue.

Actual Results:
===============
The background color of horizontal and vertical progress bars is not showing green and blue in winxp look and feel but all other look and feel i can able to see.


Please find the attached java file and images.
Swing_JProgressbar/Manual/ProgressBarBackground test in the functional ws is failing