###!!! ASSERTION: reflow state computed incorrect width: 'reflowState.ComputedWidth() == size.width - reflowState.mComputedBorderPadding.LeftRight()', file /builds/xulrunner/xr_trunk_lincoln/mozilla/layout/base/nsPresShell.cpp, line 5996 ###!!! ASSERTION: reflow roots must not have visible overflow: 'desiredSize.mOverflowArea == nsRect(nsPoint(0, 0), nsSize(desiredSize.width, desiredSize.height))', file /builds/xulrunner/xr_trunk_lincoln/mozilla/layout/base/nsPresShell.cpp, line 6014