John Resig has posted a good summary (including demo code) for how one might implement cross-site XMLHttpRequest calls, a feature currently implemented by the beta 2 release of Firefox 3. In a nutshell, there are two techniques that you can use to achieve your desired cross-site-request result: specifying a special access-control header for your content, or [...]<br style="clear: both;"/> <img alt="" style="border: 0; height:1px; width:1px;" border="0" src="http://www.pheedo.com/img.phdo?i=af405ab1f59b9a1e9bfa1e17885a93df" height="1" width="1"/> <img src="http://www.pheedo.com/feeds/tracker.php?i=af405ab1f59b9a1e9bfa1e17885a93df" style="display: none;" border="0" height="1" width="1" alt=""/>