JavaScript Badges Powered by JSONP and Microformats
Using a bit of JavaScript, a nifty way of making remote web service calls (JSONP) and a few microformats, I can display information from one service somewhere else, leaving me with only one place to update it. In this article you're going to create a JavaScript badge that can be added to any site and which will display relationship data from a service which exposes it
Rushgrove, Gareth. Opera (2008). Articles>Web Design>Metadata>JavaScript