Reference object from function?

I still can't get a hold of how in flash you're supposed to
reference objects in the display list.
I have created a main container. Placed other containers
inside that will act as layers. Then I've placed items inside those
layers to animate using TweenLite.
Everything builds correctly but when I call my startAnimation
function it has no idea about the movie clips I'm trying to
animate. I gave them names during the addChild process so why
doesn't it work?
root1( main Timeline)
mainStage ( object mainStage)
ballLayer ( object ballLayer)
basketball_mc ( object BasketballMC)
I added the basketball from the libraray and gave it a .name
of basketball_mc. During my animation function I'm trying to just
say:
Thanks!

>> root1( main Timeline)
mainStage ( object mainStage)
ballLayer ( object ballLayer)
basketball_mc ( object BasketballMC)
If I understand, I think you could do:
TweenMax.to(root1.mainStage.ballLayer.basketball_mc,
Dave -
www.offroadfire.com
Head Developer
http://www.blurredistinction.com
Adobe Community Expert
http://www.adobe.com/communities/experts/

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===
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==========
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