I created two (almost) identical modules that enable Joomla administrators to embed this (AIM) IM into their Joomla powered site. One module is to be published on the front-end while the other (is to be published, n ed.) on the back-end (administrator). Both modules are customizable to some degree. Enjoy!

Read more at: http://extensions.joomla.org/component/option,com_mtree/task,viewlink/link_id,4877/Itemid,35/