Newbie problems

[FONT=Arial]i am working on movie clip that will move using elastic, there are 2 object that I need to move, but, only one is moving[/FONT]
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import mx.transitions.easing.Elastic;
import mx.transitions.easing.*;
var tw:Array = new Array(tw, tw2);
for (var i:Number = 0; i < squares.length; i++) {
 tw*.xPosTween = new Tween(tw*, "_x", Elastic.easeOut, 250, 1, true);
 tw*.yPosTween = new Tween(tw*, "_y", Elastic.easeOut, 100, 1, true);
}
stop();

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[FONT=Arial]I hope that you can give me any good point to start from .

[SIZE=2][COLOR=black][COLOR=black]Thanks [/COLOR][/COLOR][/SIZE][/FONT]