File list (Check if you may need any files):
chat_room\.classpath
.........\.mymetadata
.........\.project
.........\src\org\dyd\action\ChatServlet.java
.........\...\...\...\......\GetUserList.java
.........\...\...\...\......\UserList.java
.........\...\...\...\test\TString.java
.........\WebRoot\chatContent.jsp
.........\.......\js\jquery-1.4.4.min.js
.........\.......\..\myJs.js
.........\.......\Login.jsp
.........\.......\main.jsp
.........\.......\META-INF\MANIFEST.MF
.........\.......\UserList.jsp
.........\.......\WEB-INF\classes\org\dyd\action\ChatServlet.class
.........\.......\.......\.......\...\...\......\GetUserList.class
.........\.......\.......\.......\...\...\......\UserList.class
.........\.......\.......\.......\...\...\test\TString.class
.........\.......\.......\web.xml
.........\.......\.......\classes\org\dyd\action
.........\.......\.......\.......\...\...\test
.........\.......\.......\.......\...\dyd
.........\src\org\dyd\action
.........\...\...\...\test
.........\WebRoot\WEB-INF\classes\org
.........\src\org\dyd
.........\WebRoot\WEB-INF\classes
.........\.......\.......\lib
.........\src\org
.........\WebRoot\js
.........\.......\META-INF
.........\.......\WEB-INF
.........\.myeclipse
.........\src
.........\WebRoot
chat_room