este es el código:
import fl.transitions.easing.*;
import fl.transitions.Tween;
var mover:Tween;
caja_mc.addEventListener(MouseEvent.MOUSE_OVER, sobre);
function sobre(evt:MouseEvent):void
{
mover=new Tween(evt.target,"scaleY",Regular.easeInOut,evt.target.scaleY,2,.5,true);
mover=new Tween(evt.target,"scaleX",Regular.easeInOut,evt.target.scaleX,2,.5,true);
}
caja_mc.addEventListener(MouseEvent.MOUSE_OUT, fuera);
function fuera(evt:MouseEvent):void
{
mover=new Tween(evt.target,"scaleY",Regular.easeInOut,evt.target.scaleY,1.5,.5,true);
mover=new Tween(evt.target,"scaleX",Regular.easeInOut,evt.target.scaleX,1.5,.5,true);
}
