I've just heard about the following addon which fixes the problem of accelerator keys for russian keyboards: https://addons.mozilla.org/en-US/firefox/addon/3529
Does any of the mozilla programmers here reckon they can tweak it to work for Hebrew? (Got this through the old bug at https://bugzilla.mozilla.org/show_bug.cgi?id=69230, please consider voting for this bug if you haven't done it yet). Cheers, --Amos