backImage.SetSize( mPageSize );
SetCullFace( backImage, CullFront );
backImage.SetZ( 0.25f * STATIC_PAGE_INTERVAL_DISTANCE );
backImage.SetSize( mPageSize );
SetCullFace( backImage, CullFront );
backImage.SetZ( 0.25f * STATIC_PAGE_INTERVAL_DISTANCE );