U can use _level for that.

_root._level2.gotoAndStop(2);

_root._level3.gotoAndPlay(4);

Play DrugBaron: www.mindgem.nu/drugbaron.html
Play GraffitiCreator: www.mindgem.nu/graffiti.html
Some Eyecandy: www.mindgem.nu/galleryindex.html