//create loader var swfLoader:Loader = new Loader(); //url request for external swfs (i have one for each of my SWFs) var section1SWFRequest:URLRequest = new URLRequest("section1.swf"); var section2SWFRequest:URLRequest = new URLRequest("section2.swf"); //when a section in the nav is clicked do this function section1Clicked(event:MouseEvent):void { //i think this is where i tried tell all audio to stop SoundMixer.stopAll(); //get rid of the old external swf removeChild(swfLoader); //load the new external swf swfLoader.load(section1SWFRequest); addChildAt(swfLoader, 0); }