Home > Guides > Tag Developers Guide > Struts Tags > UI Tags > Themes and Templates > ajax theme > ajax head template

The ajax head template builds upon the xhtml head template by providing additional JavaScript includes for the Dojo Toolkit, which is used by the ajax a template, ajax div template , and the ajax tabbedPanel template. It is required to use this tag, <ww:head theme="ajax"/>, in your HTML <head> block if you wish to use AJAX feature. The contents of head.ftl are:


If you are having trouble getting the AJAX theme to work, you should include the above JavaScript in your page manually, changing "isDebug: false" to "isDebug: true". This will log out debugging information directly to the screen.

Note that Dojo is configured to use the same character encoding specified in struts.properties, typically UTF-8. For a simple example of how to use the head tag with the AJAX theme, simply do the following in your HTML:

Error formatting macro: snippet: java.lang.IndexOutOfBoundsException: Index: 20, Size: 20

The above sample is from Struts trunk; for 2.0.6 you should use <s:head debug="true"/>.