File list (Check if you may need any files):
ajax_jd0807
...........\.classpath
...........\.mymetadata
...........\.project
...........\src
...........\...\com
...........\...\...\briup
...........\...\...\.....\util
...........\...\...\.....\....\Book.java
...........\...\...\.....\....\MakeXml.java
...........\...\...\.....\web
...........\...\...\.....\...\BooksServlet.java
...........\...\...\.....\...\OptionServlet.java
...........\...\...\.....\...\ValidateServlet.java
...........\WebRoot
...........\.......\books.xml
...........\.......\doublecombo.html
...........\.......\js
...........\.......\..\ajax.js
...........\.......\load.html
...........\.......\META-INF
...........\.......\........\MANIFEST.MF
...........\.......\validate.html
...........\.......\WEB-INF
...........\.......\.......\classes
...........\.......\.......\.......\com
...........\.......\.......\.......\...\briup
...........\.......\.......\.......\...\.....\util
...........\.......\.......\.......\...\.....\....\Book.class
...........\.......\.......\.......\...\.....\....\MakeXml.class
...........\.......\.......\.......\...\.....\web
...........\.......\.......\.......\...\.....\...\BooksServlet.class
...........\.......\.......\.......\...\.....\...\OptionServlet.class
...........\.......\.......\.......\...\.....\...\ValidateServlet.class
...........\.......\.......\lib
...........\.......\.......\web.xml