File list (Check if you may need any files):
CH4
...\AClock
...\......\AClock.jpx
...\......\classes
...\......\.......\CApplet.html
...\......\.......\CApplet.html.bak
...\......\.......\aclock
...\......\.......\......\CApplet.class
...\......\.......\......\CApplet_button1_actionAdapter.class
...\......\.......\......\clock.jpg
...\......\.......\au
...\......\.......\..\alarm.au
...\......\.......\img
...\......\.......\...\clock.jpg
...\......\.......\package cache
...\......\.......\.............\aclock.dep2
...\......\src
...\......\...\aclock
...\......\...\......\CApplet.java
...\Piano
...\.....\Piano.jpx
...\.....\classes
...\.....\.......\Piano.html
...\.....\.......\package cache
...\.....\.......\.............\piano.dep2
...\.....\.......\piano
...\.....\.......\.....\Piano$1.class
...\.....\.......\.....\Piano.class
...\.....\.......\.....\Piano_this_keyAdapter.class
...\.....\.......\.....\Piano_this_mouseAdapter.class
...\.....\.......\.....\Piano_this_mouseMotionAdapter.class
...\.....\.......\.....\au
...\.....\.......\.....\..\0.au
...\.....\.......\.....\..\1.au
...\.....\.......\.....\..\10.au
...\.....\.......\.....\..\11.au
...\.....\.......\.....\..\12.au
...\.....\.......\.....\..\13.au
...\.....\.......\.....\..\14.au
...\.....\.......\.....\..\2.au
...\.....\.......\.....\..\3.au
...\.....\.......\.....\..\4.au
...\.....\.......\.....\..\5.au
...\.....\.......\.....\..\6.au
...\.....\.......\.....\..\7.au
...\.....\.......\.....\..\8.au
...\.....\.......\.....\..\9.au
...\.....\.......\.....\img
...\.....\.......\.....\...\down.gif
...\.....\.......\.....\...\up.gif
...\.....\src
...\.....\...\piano
...\.....\...\.....\Piano.java