File list (Check if you may need any files):
ajax
....\.classpath
....\.mymetadata
....\.project
....\src
....\...\ajax
....\...\....\hailong
....\...\....\.......\db
....\...\....\.......\..\DBUtil.java
....\...\....\.......\linkage
....\...\....\.......\.......\Link.java
....\...\....\.......\.......\ThreeLink.java
....\WebRoot
....\.......\index.jsp
....\.......\js
....\.......\..\getSonAjax.js
....\.......\META-INF
....\.......\........\MANIFEST.MF
....\.......\mysql.sql
....\.......\WEB-INF
....\.......\.......\classes
....\.......\.......\.......\ajax
....\.......\.......\.......\....\hailong
....\.......\.......\.......\....\.......\db
....\.......\.......\.......\....\.......\..\DBUtil.class
....\.......\.......\.......\....\.......\linkage
....\.......\.......\.......\....\.......\.......\Link.class
....\.......\.......\.......\....\.......\.......\ThreeLink.class
....\.......\.......\lib
....\.......\.......\...\jsp-api.jar
....\.......\.......\...\mysql-connector-java-5.1.7-bin.jar
....\.......\.......\...\servlet-api.jar
....\.......\.......\web.xml