Not broken at all Bewertet mit 5 von 5 Sternen
Don't know what fixed it but restarted everything and all is well again. User error, almost certainly :)
Broken by FF 3.6.10 Bewertet mit 4 von 5 Sternen
Was working fine up until this version. No other search box related add-ons have been updated recently. Hopefully this useful add-on can be updated.