This is not a right place to ask questions about creating extensions. Try the MozillaZine forums instead.
- should mention this: http://forums.mozillazine.org/viewtopic.php?t=373172
- Specify a label in example, for the sidebar menuitem
- This isn't needed, it gets it from the broadcaster reesd 25 Feb 2011
I also think the stuff on broadcaster that doesn't need to be there should be moved to menitem to avoid confusion - autocheck, tupe, oncommand. reesd 25 Feb 2011