There is the whole of the ajax code for those interested in the reference

ajax-code
.........\code
.........\....\AjaxExplained
.........\....\.............\test.html
.........\....\AjaxInAction
.........\....\............\figure_ed_screen.html
.........\....\............\screenAjax1.html
.........\....\............\screenAjax2.html
.........\....\AjaxJavaScriptLibraries
.........\....\.......................\backbase-example.html
.........\....\.......................\citystate.html
.........\....\.......................\citystate.js
.........\....\.......................\dojo.js
.........\....\.......................\figure_ed_screen_dojo.html
.........\....\.......................\figure_ed_screen_prototype-evalscript.html
.........\....\.......................\figure_ed_screen_prototype-updater.html
.........\....\.......................\figure_ed_screen_prototype.html
.........\....\.......................\prototype-1.3.1.js
.........\....\Beyond
.........\....\......\canvasAnimator.js
.........\....\......\canvasPainter.html
.........\....\......\widgits.js
.........\....\common
.........\....\......\common-crm.js
.........\....\CRMApp
.........\....\......\db
.........\....\......\..\crmdb-mysql.sql
.........\....\......\..\crmdb.bak
.........\....\......\..\crmdb.log
.........\....\......\..\crmdb.properties
.........\....\......\..\crmdb.script
.........\....\......\maven.xml
.........\....\......\project.properties
.........\....\......\project.xml
.........\....\......\src
.........\....\......\...\conf
.........\....\......\...\....\tomcat
.........\....\......\...\....\......\ajaxian-book-crm.xml
.........\....\......\...\....\......\tomcat-users.xml
.........\....\......\...\main
.........\....\......\...\....\java
.........\....\......\...\....\....\ajaxian
.........\....\......\...\....\....\.......\book
.........\....\......\...\....\....\.......\....\crm
.........\....\......\...\....\....\.......\....\...\model
.........\....\......\...\....\....\.......\....\...\.....\ZipCityState.java
.........\....\......\...\....\....\.......\....\...\servlet
.........\....\......\...\....\....\.......\....\...\.......\AutoCompleteServlet.java
.........\....\......\...\....\....\.......\....\...\.......\ValidationServlet.java
.........\....\......\...\....\....\.......\....\...\.......\ZipDbServlet.java
.........\....\......\...\....\sql
.........\....\......\...\....\...\crmdb.sql
.........\....\......\...\....\web
.........\....\......\...\....\...\ajaxinaction
.........\....\......\...\....\...\............\figure_ed_screen.html
.........\....\......\...\....\...\............\figure_ed_screen_ajax_1.html
.........\....\......\...\....\...\............\figure_ed_screen_ajax_2.html
.........\....\......\...\....\...\ajaxlibs
.........\....\......\...\....\...\........\citystate.html
.........\....\......\...\....\...\........\citystate.js
.........\....\......\...\....\...\........\figure_ed_screen_dojo-evalscript.html
.........\....\......\...\....\...\........\figure_ed_screen_dojo.html
.........\....\......\...\....\...\........\figure_ed_screen_prototype-evalscript.html
.........\....\......\...\....\...\........\figure_ed_screen_prototype-updater.html
.........\....\......\...\....\...\........\figure_ed_screen_prototype.html
.........\....\......\...\....\...\ajaxphp
.........\....\......\...\....\...\.......\figure_ed_screen_najax.php
.........\....\......\...\....\...\.......\figure_ed_screen_najax_object.php
.........\....\......\...\....\...\.......\figure_ed_screen_sajax.php
.........\....\......\...\....\...\.......\figure_ed_screen_xoad.php
.........\....\......\...\....\...\.......\figure_ed_screen_xoad_object.php
.........\....\......\...\....\...\.......\najax
.........\....\......\...\....\...\.......\.....\CHANGELOG
.........\....\......\...\....\...\.......\.....\classes
.........\....\......\...\....\...\.......\.....\.......\Client.class.php
.........\....\......\...\....\...\.......\.....\.......\events
.........\....\......\...\....\...\.......\.....\.......\......\storage
.........\....\......\...\....\...\.......\.....\.......\......\.......\MySQL.class.php
....

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