Help with converting AS2 code to run on more modern flash player

[gloopy]

Sorry for the silly question.

I have an effect in a FLA file, which works when the Publish Settings are set for Flash Player 6. When I move up to Flash Player 7 or above, the effect no longer works.

The effect is simple - the eyes follow the mouse:
http://jimpix.co.uk/junk/00001.swf

I have another effect in a different FLA file, which won't work when the Publish Settings are earlier than Flash Player 7.

I'd like to update the code in the mouse / eye follow FLA, so that it'll work on Flash Player 7 or above. Trouble is I know nothing about ActionScript.

I wondered if anyone might please be able to look at the AS, to see if it would be a big job to update the code to work on Flash Player 7 or above.

The code is below, and the FLA is here:
http://jimpix.co.uk/junk/00001.fla

Any advice much appreciated. Thank you.

// Set up prototypes
movieClip.protoType.innit = function () {
	slowSpeed = 0.9;
	springAmount = 12;
	targetSize = 100;
	amount = 100;
}
movieClip.protoType.elas = function () {
	xDiff = _x - _root._xmouse;
	yDiff = _y - _root._ymouse;
	aDiff = Math.sqrt((xDiff * xDiff) + (yDiff * yDiff));
	if (aDiff < amount) {
		targetSize = 100 + (200 - (aDiff * 2));
	} else {
		targetSize = 100;
	}
	sizeDifX = targetSize - _xscale;
	sizeDifY = targetSize - _yscale;
	elasX = (elasX + sizeDifX / springAmount) * slowSpeed;
	elasY = (elasY + sizeDifY / springAmount) * slowSpeed;
	_xscale += elasX;
	_yscale += elasY;
}
// Misc
//_root._quality = "BEST";
fscommand("allowscale", false);
stop();

And then some separate AS held in an empty MC on the stage (MC = 'mouse'):

onClipEvent (load) {
	startDrag(this, true);
}

[dudeqwerty]

Ok, I can't open the .fla and I have no idea what's going on with the code you pasted, but I don't think its the code in the .swf .

The problem with the example is that the pupils dont really follow the mouse if its in the area of the eye.

Try this example instead, its flash cs3 format.

[gloopy]

Thank you! That is really helpful. Sorry you could not open the FLA.