File list (Check if you may need any files):
MyAJAX\.classpath
......\.mymetadata
......\.project
......\com\happysys\im\ChatService.class
......\...\........\..\ChatServlet.class
......\...\........\..\Jisuan.class
......\META-INF\MANIFEST.MF
......\WebRoot\css.css
......\.......\img\abacus.png
......\.......\...\acorn.png
......\.......\...\anchor.png
......\.......\...\android.png
......\.......\...\bluetooth.png
......\.......\...\bomb.png
......\.......\...\cactus.png
......\.......\...\candle.png
......\.......\...\Thumbs.db
......\.......\...\user.png
......\.......\login.jsp
......\.......\META-INF\MANIFEST.MF
......\.......\sdc\im\chat\chat.jsp
......\.......\...\..\....\chatmessage.jsp
......\.......\testAjax.jsp
......\.......\....Chat\css.css
......\.......\........\doChat.jsp
......\.......\........\doChat1.jsp
......\.......\........\img\bluetooth.png
......\.......\........\...\user.png
......\.......\........\testAjax.jsp
......\.......\WEB-INF\web.xml
......\.......\sdc\im\chat
......\com\happysys\im
......\WebRoot\sdc\im
......\.......\testChat\img
......\com\happysys
......\WebRoot\img
......\.......\META-INF
......\.......\sdc
......\.......\testChat
......\.......\WEB-INF
......\com
......\META-INF
......\WebRoot
MyAJAX