[F5]Arg! For Actionscript Guru! Beginner needs help!

Hi,

I need open external application in MAC OS9 flash projector.

video.mpg --> call quicktime
music.mp3 --> call itunes
Adobeacrobatreader.dmg .

I try fscommand, but not work…
I try use applescript to call the file, but don´t work.

Thanks anyway…