LOADING an EXTERNAL SWF (by button)

var myLoader1:Loader=new Loader ();

squBtn1.addEventListener(MouseEvent.CLICK, swf1content);

function swf1content(myevent1:MouseEvent):void {

var myURL1:URLRequest=new URLRequest("YourMovie.swf");

myLoader1.load(myURL1);

addChild(myLoader1);

}

cirBtn1.addEventListener(MouseEvent.CLICK, unloadSwf1content);

function unloadSwf1content(myevent5:MouseEvent):void {

removeChild(myLoader1);

}