Not working in Safari, nor at all on PC's

Hey all, I know this must be a snap, but…

I’m trying to load random swf files into a seperate swf file - it works, but only on mac

my actionscript for the mother swf file i copied from the Kirupa tutorial:

check it out:

here is the path to the ‘mother’ swf:

Is there a bit of html I need? Is there some ActionScript to let things work on pcs?

why won’t this work in all platforms?