tween1 = new GTween (obj1,time1,{x:10,y:10},{ease:Regular.easeInOut,dispatchEvents:true})

tween1.addEventListener(Event.COMPLETE,setTween2)

function setTween2(evt:Event):void

{

    tween2 = new GTween (obj2,time2,{x:20,y:20},{ease:Regular.easeInOut,dispatchEvents:true})

    tween2.addEventListener(Event.COMPLETE,setTween3)

}

function setTween3(evt:Event):void

{

   //...

}