Zimbra - Blog - A Pint of ALE - Ajax Linking and Embedding
http://www.zimbra.com/blog/archives/2006/04/zimbra_ale-ajax_linking_and_embedding.html
"AJAX Linking and Embedding (ALE) provides the ability to embed rich content into an editable document and to then interact with and edit that content in much the same way as it is done with traditional office suites and applications in a desktop environm