ConfigLoader.as

protected var callback:Function;
		
public function ConfigLoader( path:String, _callback:Function ) 
{
	this.callback = _callback;
	var configLoader:URLLoader = new URLLoader();
	configLoader.load( new URLRequest( path ) );
	configLoader.addEventListener( Event.COMPLETE, processXML );
}
		
protected function processXML( event:Event ):void
{
	var myXML:XML = new XML( event.target.data );
	callback( myXML );
}