Added empty unload event handler to work around a bug (in 1.1.4?) where onorientationchage won't fire after coming back to a page.
Added empty unload event handler to work around a bug (in 1.1.4?) where onorientationchage
won't fire after coming back to a page.

--HG--
extra : convert_revision : svn%3A465e5836-af34-0410-8d6e-35500593c4db/trunk%40175

peterbraden/iUi,peterbraden/iUi,peterbraden/iUi,peterbraden/iUi