[developer.mozilla.org] – build your own Firefox add-on
[ted.mielczarek.org] – Firefox extension wizard
[developer.mozilla.org] – setup your development environment
[xulplanet.com] – firefox add-ons have access to the XULDocument
[developer.mozilla.org] – how to modify the DOM with XUL
[XULPlanet] – XULPlanet Forums
[developer.mozilla.org] – tips on accessing document.body from your firefox plugin
[irc://irc.mozilla.org#extdev] – Firefox extension channel
[developer.mozilla.org] – embedded dialog API
[developer.mozilla.org] – regular expressions
Notes:
(xp) Extensions should be placed in C:/Documents and Settings/username/Application Data/Mozilla/Firefox/Profiles/quyeu39o.default/extensions