Rollover that doesn't return but resets script

Hello,

I'm making a website. I'd love for a fish to jump up and eat a mayfly when the user rolls over the bottom of the screen. I know how to use the rollover script:

onClipEvent (enterFrame) {
if (this.hitTest(_root._xmouse, _root._ymouse, true)) {
this.nextFrame();
} else {
this.prevFrame();
}
}

But its not giving me the results I want. The fish swims backwards to the start point after it is done. I'd like to fish to simply reset where it is after it swims and eats. Please see http://www.swfcabin.com/open/1278526866
for the example.

Does anyone have a script that will do this. I'm noob.


I use Flash CS3 on a Macbook Pro.

THanks!

Robb