Won't trace?

hey, im pulling in data from an external txt file created by php. I can’t get it to trace anything out… at all. It’s weird because its an example from the help area in flash… argh.
Anyone have any ideas?



import flash.events.Event;
import flash.net.*;

var loader:URLLoader = new URLLoader(new URLRequest("http://localhost/media_gallery/loadinfo.php"));

function completeHandler(event:Event):void
{
    var myLoader2:URLLoader = URLLoader(event.target);
    var myVariables:URLVariables = new URLVariables(myLoader2.data);
    var galleryimageArray:Array = myVariables.galleryimages.split("|");
    trace(galleryimageArray);
}