FULL PRODUCT VERSION :
java version "1.6.0-rc"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.6.0-rc-b65)
Java HotSpot(TM) Client VM (build 1.6.0-rc-b65, mixed mode, sharing)

ADDITIONAL OS VERSION INFORMATION :
Microsoft Windows 2000 [Version 5.00.2195]

A DESCRIPTION OF THE PROBLEM :
Disabled menu items should be highlighted on mouseover in the Windows Look and Feel (see bugs 4515765, 4822401 and 5103247). This works for JMenuItem but not for JCheckBoxMenuItem or JRadioButtonMenuItem.

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
1. Add menu items to a menu.
2. Disbale menu items.
3. Activate menu and scroll over each menu item.

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
All menu items highlighted on mouseover.
ACTUAL -
JCheckBoxMenuItem and JRadioButtonMenuItem not highlighted.

REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
import com.sun.java.swing.plaf.windows.WindowsLookAndFeel;

import javax.swing.JCheckBoxMenuItem;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JRadioButtonMenuItem;
import javax.swing.UIManager;

public class Test {
    public static void main(String[] pArgs) {
        try {
            UIManager.setLookAndFeel(WindowsLookAndFeel.class.getName());
        } catch (Exception ex) {
            ex.printStackTrace();
        }
        final JFrame frame = new JFrame("Test");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setJMenuBar(new JMenuBar());
        final JMenu menu = new JMenu("Menu");
        menu.add(new JMenuItem("Menu Item") {{setEnabled(false);}});
        menu.add(new JCheckBoxMenuItem("Check Box Menu Item") {{setEnabled(false);}});
        menu.add(new JRadioButtonMenuItem("Radio Button Menu Item") {{setEnabled(false);}});
        frame.getJMenuBar().add(menu);
        frame.pack();
        frame.setVisible(true);
    }
}

---------- END SOURCE ----------