Is there I way I can make IE or FF think I have flash version 9 but still have flash 7 at the core?

I found an extension for FF that lets me switch between different flash versions...

but what I truly need is Flash 7 compatible with flash 9 .swf files. Due to the fact that flash 9 encrypts all data (images, sound file,text), I need the versatillity for flash 7 to work with or even decompile it. Is there away i can use maybe take some files from flash player 9 and 7 to make a hybrid? Or something along those lines.

Heres the extension I found for FF: http://0rz.tw/352cp

Any help will appreciated.

 

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