Doplnit do userChrome.css:
#PopupAutoComplete, #PopupAutoComplete > .autocomplete-tree { display: none !important; }
Teď jsem to zkusil ve FF3 RC1 a funguje to.
Doplnit do userChrome.css:
#PopupAutoComplete, #PopupAutoComplete > .autocomplete-tree { display: none !important; }