private function starUpdate(e:Event):void
{

var now:uint = getTimer();
var delta:uint = now - _last;
if (delta >= 1000) {
for(var i:int = 0; i <_starfield.length; i++)
{

_starfield[i].y += speed + _starfield[i].speedmulti;
//_starfield[i].scaleY = speed * .02;
if(_starfield[i].y > 800 + _starfield[i].height/2)
{
_starfield[i].y = -60;
_starfield[i].x = _rand.gen(0,480);
}

}
}
}