Strophe.js is a JavaScript library for speaking XMPP via BOSH (XEP 124
and 206).  It is licensed under the MIT license, except for the files
sha1.js, base64.js and md5.js, which are licensed as public domain and
BSD (see these files for details).

It has been tested on Firefox 1.5, 2.x, and 3.x, IE 6, 7, and 8, Safari, Mobile
Safari, Chrome, and it should also work on the mobile Opera browser as
well as the desktop Opera browser.

The homepage for Strophe is http://strophe.im/strophejs

The book Professional XMPP Programming with JavaScript and jQuery is
also available, which covers Strophe in detail in the context of web
applications. You can find more information at
http://professionalxmpp.com.