Due to optimized appearance SWF should have proper structure of time line and labels. Thus, all the interactive elements appear correctly. When the page is open, are shown only elements related to this page. Other elements are hidden and stopped. This is especially necessary for video.
Page playing A and B

Page A playing
Label: edition_start
Page B playing
Label: edition_start
Page C stopped
Label: edition_stop
Page D stopped
Label: edition_stop
Pages A and B are now playing.Other pages are hidden and stopped.
Page start flipping

Page A playing
Label: edition_start
Page B playing
Label: edition_start
Page C stopped
Label: edition_stop
Page D stopped
Label: edition_stop
Page A and B are still playing. Pages C and D are stopped on label editon_stop.
Page stop flipping

Page A stopped
Label: edition_stop
Page B stopped
Label: edition_stop
Page C playing
Label: edition_start
Page D playing
Label: edition_start
All interactive elements on pages A and B are stopped on labele dition_stop. Pages C an D areplayed on label edition_start. All element on those pages areshown.