/*舞台上有三个mc*/
import flash.events.MouseEvent;
mc1.addEventListener(MouseEvent.MOUSE_DOWN,_onMouseDown);
mc2.addEventListener(MouseEvent.MOUSE_DOWN,_onMouseDown);
mc3.addEventListener(MouseEvent.MOUSE_DOWN,_onMouseDown);
mc1.addEventListener(MouseEvent.MOUSE_UP,_onMouseUp);
mc2.addEventListener(MouseEvent.MOUSE_UP,_onMouseUp);
mc3.addEventListener(MouseEvent.MOUSE_UP,_onMouseUp);
function _onMouseDown(e:MouseEvent):void
{
//trace(e.target.parent.numChildren-1)
e.target.startDrag();
e.target.parent.setChildIndex(e.target,e.target.parent.numChildren-1);
}
function _onMouseUp(e:MouseEvent):void
{
e.target.stopDrag();
}