flex - How to apply an effect on sprite in actionscript 3 -

i have sprite , want apply example fade effect on it. found examples how in flex ml how can in pure actionscript?

i prefer tweenmax, can use build in tween in flash well.

var mytweenalpha:tween = new tween(myclip, "alpha", strong.easeout, 0, 1, 3, true);