title: Google Maps v3 makes ZOOM OUT in rightclick event only in FIREFOX
body: <p>In my case, happen something strange, with the GOOGLE MAPS API V3 I create a contextmenu when the user makes rightclick over the map, but, if i try to open the map in fIREFOX, when i make rightclick to show the ContextMenu, its works! but makes a ZOOM OUT too, at the same time, i detect that this happen ONLY in FIREFOX...What happen here? Im making something wrong?</p>