Security warning icon is not getting displayed properly for tooltip.
Reproducible on windows XP from 6u18b03 build onwards

To Reproduce the problem:

1. Run Toplevel factory.jar
2. click Display Security warning
3. Click button Show toplevel
4. Hover the mouse over the window to see the tooltip and then
   move the mouse over the tooltip
5. Observe the Security warning icon is not seen .
The tooltip's icon is seen with some artifacts once the mouse is moved away from the frame