Stopping a running Tween class

I have a tween class defined in a function like below, which runs when the user clicks a left or right arrow to scroll some thumbnails:

function scroll_thumbs() {
// code that defines scroll_to's value
var mcTween:Tween = new Tween( paintings_strip_mc, "_x", Strong.easeOut, paintings_strip_mc._x, scroll_to, 5, true );
}

This works perfectly, but I also want to move the same mc (paintings_strip_mc) in another way if the user hovers over the mc. This doesn't use a tween - instead it uses a timer which gently scrolls the mc along.

All good. However if the tween above is still running from the user clicking an arrow, then it fights with the timer scrolling and you get a horrible effect and it doesn't move but instead jiggles about. You have to wait for the tween to finish, and then it works.

Since I've defined the tween in a function, how can I tell it to stop if the user hovers over the strip?

Thanks!
corin_pearceAsked:
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blue-genieCommented:
firstly don't define the tween in a function.
import mx.transitions.*;
var mcTween:Tween;
function scroll_thumbs() {
// code that defines scroll_to's value
 mcTween = new Tween( paintings_strip_mc, "_x", Strong.easeOut, paintings_strip_mc._x, 500, 5, true );
}

then just call mcTween.stop();

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corin_pearceAuthor Commented:
Thanks! I thought of that, but problem is I want to change mcTween each time an arrow is pressed - i.e. there will be a new scroll_to value each time.

So that's why I put it in a function, so that it could be made again and again...
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corin_pearceAuthor Commented:
ahhh sorry I misread your comment, I'll have a go at that
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