Very Basic Functions Question

Hi,
apologies for this being a very basic question, but I rarely
use Flash. About once a year, however, I am called upon to do some
sort of (usually very simple) Flash-based project for the students
I assist. This time it's a simple random slideshow.
The setup is this:
* I have a movieClip called 'slides_MC' containing all the
slide photos, on consecutive frames.
* This movieClip is placed inside another movieclip named
slideshowRand_MC.
This is given an instance name of topslide_mc, and faded up
and down with alpha keyframes.
The idea is that, when the slides mc is faded right down,
some Actionscript causes the slides movie to jump to, and stop
playing on a random frame, so random slides are faded up, then down
again, then swapped.
I need to apply some actionscript to particular keyframes so
that the swap is performed at the correct time.
This is my attempt at a reusable function to do the swapping.
It's placed in a keyframe on the root timeline:
// Go to and stop at random frame in slides movieclip
function goRandom(mc) {
// Number of slides in slides movieclip
var slides = 22;
// Random number between 1 and number of frames in slides
movieclip
var randFrame = Math.ceil(Math.random() * slides);
mc.goToAndStop("slide_" & randFrame);
This function is called from keyframes in slideshowRand_MC:
_root.goRandom(this.slideshow_rand_mc.topslide_mc);
I know this is really basic stuff, but can anyone tell me why
this isn't working.
I've tried adding a breakpoint in the goRandom function, but
it doesn't look like it ever gets called.
Any assistance very gratefully accepted.
Alex

Hi Bob, thanks for getting back to me.
quote:
Originally posted by:
Bob Pierce
"_root.goRandom(this.slideshow_rand_mc.topslide_mc);"
There's a typo in that line - if it's in your code, it won't
work!
Ah, true. The typo actually happened when I was re-writing
the code in post. The actual code in the movie is
_root.goRandom(this.topslide_mc);
This is attached to a keyframe of the container movie-clip
containing the slides MC.
I've put the fla file on our server.
slideshow_random.fla.zip
If you, or someone else could download it and help me find
out what I'm doing wrong, I'd be ever-so grateful. I'm sure it's
something really obvious. Without being very familiar with Flash
and Actionscript, it's hard to explain things, and much easier to
show you the actual Flash file.
The 2 functions are on a keyframe on frame 1 of the root
timeline. The 'goRandom' function is supposed to be called from a
keyframe in 'slideshowRand_MC'. I envisaged calling the random
pause function from another keyframe in the same movieclip.
Thanks again,
Alex

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Message was edited by:
Equitone

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