Controlling Externally Loaded SWF in AS3

I’m a little new to AS3 so there are a few things that I’m trying to learn from knowing AS2 before. One of them is loading external SWF files. Here’s what I have going on… On the first frame of my main container file, I have this:

var iwgResults = new Loader();
iwgResults.load(new URLRequest(“win1.swf”));
iwgContainer.addChild(iwgResults);

This loads up “win1.swf” and places the “iwgResults” child in my “iwgContainer” movie clip I already have set up. This works wonderfully and loads it in the right spot. The problem comes when I want to send a simple gotoAndPlay action to the main timeline of win1.swf. This is what I currently have later on in the timeline of my main container file:

iwgContainer.iwgResults.gotoAndPlay(2);

Obviously this isn’t how it’s done in AS3, but that’s what I remember from AS2. What do I have to do differently when I have to tell win1.swf to gotoAndPlay from the main container file? I’d really appreciate the help… Thanks!