/IObservable.java/1.2/Thu Jan  5 12:49:09 2006/-kk/
/IObservableJPanel.java/1.2/Thu Jan  5 12:49:09 2006/-kk/
/IObserver.java/1.2/Thu Jan  5 12:49:09 2006/-kk/
/ObservableComponent.java/1.2/Thu Jan  5 12:49:09 2006/-kk/
D
