package  {
	import flash.events.Event;
	import flash.net.URLLoader;
	import flash.net.URLRequest;
	public class loadxml {
		public function xmls(){
			var myXML:XML = new XML();
			var XML_URL:String = "elite_backgrounds.xml";
			var myXMLURL:URLRequest = new URLRequest(XML_URL);
			var myLoader:URLLoader = new URLLoader(myXMLURL);
			myLoader.addEventListener("complete", xmlLoaded);
			function xmlLoaded(event:Event):void{
				myXML = XML(myLoader.data);
				trace("Data loaded.");
				trace(myXML);
				
			} 
		}
	}
}

function XMLLoader() {
	this.title = "Загрузчик XML";
	this.request = function(){
		var callback = this;
		document.addEventListener("load", function(event){
			var xml = "XML был сформирован в объкте ";
			callback.complete(xml);
		}, true);
	};
	this.complete = function(xml){
		alert(xml + this.title);
	};
}

(new XMLLoader).request();

var callback = this;

callback.complete(xml);