[elder_Nosferatu]

...
function senddata (vars:URLVariables, onSucc:Function):void{
	var requestmes:URLRequest = new URLRequest;
	requestmes.url = "http://troll_ch/mes.php";
	requestmes.method = URLRequestMethod.POST;
	requestmes.data = vars;
 
	var loader:URLLoader = new URLLoader();
	loader.dataFormat = URLLoaderDataFormat.TEXT; // Изменение здась
	loader.addEventListener(Event.COMPLETE, onSucc);
 
	loader.load(requestmes);
 
	trace (vars);
	}		
function loadmes (e:Event):void {
	var resp:XML = XML(e.target.data); // Изменение здась
	var postsList:XMLList = resp.post;
	var postsNum:uint = postsList.length();
	}