Applet properties dialog not closing

OPERATING SYSTEM(S):
Windows XP

FULL JDK VERSION(S):
java -version
java version "1.6.0_02"
Java(TM) SE Runtime Environment (build 1.6.0_02-b06)
Java HotSpot(TM) Client VM (build 1.6.0_02-b06, mixed mode)

DESCRIPTION:
Applet properties dialog is not closing with the close option.

Steps to recreate:

1. On a command prompt traverse to /demo/applets/Animator folder.
2. On the command prompt, set PATH to java and Javac.
3. Launch the application with the following command :
            appletviewer example1.html.
4. Choose properties option by clicking on applet menu and now try to
   close this dialog using close option.
5. You will not be able to close that using close option.