File list (Check if you may need any files):
build
.....\com
.....\...\org
.....\...\...\ychat
.....\...\...\.....\About$1.class
.....\...\...\.....\About$2.class
.....\...\...\.....\About.class
.....\...\...\.....\ChatPanel$1.class
.....\...\...\.....\ChatPanel$2.class
.....\...\...\.....\ChatPanel$3.class
.....\...\...\.....\ChatPanel$4.class
.....\...\...\.....\ChatPanel$Communicator.class
.....\...\...\.....\ChatPanel.class
.....\...\...\.....\CommandHandler.class
.....\...\...\.....\JHistoryTextField.class
.....\...\...\.....\JLobbyTree$1.class
.....\...\...\.....\JLobbyTree$2.class
.....\...\...\.....\JLobbyTree.class
.....\...\...\.....\LoginManager.class
.....\...\...\.....\SessionManager.class
.....\...\...\.....\YChat$1.class
.....\...\...\.....\YChat$10.class
.....\...\...\.....\YChat$11.class
.....\...\...\.....\YChat$12.class
.....\...\...\.....\YChat$13.class
.....\...\...\.....\YChat$14.class
.....\...\...\.....\YChat$15.class
.....\...\...\.....\YChat$2.class
.....\...\...\.....\YChat$3.class
.....\...\...\.....\YChat$4.class
.....\...\...\.....\YChat$5.class
.....\...\...\.....\YChat$6.class
.....\...\...\.....\YChat$7.class
.....\...\...\.....\YChat$8.class
.....\...\...\.....\YChat$9.class
.....\...\...\.....\YChat$Animate.class
.....\...\...\.....\YChat.class
build.xml
lib
...\log4j-1.2.8.jar
...\metouia.jar
...\ymsg_network_v0_51.jar
...\ymsg_support_v0_5.jar
run.bat
run.sh
src
...\java
...\....\.nbattrs
...\....\About.java
...\....\ChatPanel.java
...\....\CommandHandler.java
...\....\JHistoryTextField.java
...\....\JLobbyTree.java
...\....\LoginManager.java
...\....\SessionManager.java
...\....\YChat.java