"Ghost Rectangle" - iNotes and Firefox

Has anyone come across a fix for the “ghost rectangle” in iNotes accessed from Firefox.It’s really beginning to bug me.

Details are in a previous post:

http://www-10.lotus.com/ldd/nd6forum.nsf/55c38d716d632d9b8525689b005ba1c0/31ad2a0a47cc42d485257007001e4b6c?OpenDocument&Highlight=0,Firefox