[konst06]

var myLoader:Loader = new Loader();
myLoader.load(new URLRequest("01.swf?name1=text"));
myLoader.contentLoaderInfo.addEventListener(Event.COMPLETE, onLoaded);
function onLoaded(e) {
	//myLoader.content.param.mmm = 100;
	addChild(myLoader);
}

Код внутри подкачиваемого:

ttt.text = stage.loaderInfo.parameters["name1"];