Specific swf loader _mc question

i need help targeting my swf into an empty shell IE ( empty _mc), i know how to do it in 2.0 but 3.0 is giving me problems

bio_mc.addEventListener(MouseEvent.CLICK, onClick);

function onClick(event:MouseEvent):void
var imageRequest:URLRequest = new URLRequest(“bio.swf”);
var imageLoader:Loader = new Loader();


this code as is… load my swf to stage… great … how can i get it to load in a _mc

_root.shell2_mc.addChild(imageLoader); ???

shell2_mc is where i want the swf to go after click