jQuery-like getJSON function in ActionScript 3

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/* 
 * jQuery-like getJSON function in ActionScript 3
 *
 * Used like:
 *
 *   get_json('http://somehost.com/my.json', function(data) {
 *     trace(data);
 *   });
 *
 * Requires the AS3 Core Libraries: http://code.google.com/p/as3corelib/
 *
*/

// get json from a url and execute a function when it completes
function get_json(url:String, on_complete:Function):void{

  var request:URLRequest = new URLRequest();
  request.url = url;

  var loader:URLLoader = new URLLoader();
  loader.load(request);
  loader.addEventListener(Event.COMPLETE, function(e){
    var loader:URLLoader = URLLoader(e.target);
    var data:Array = JSON.decode(loader.data);
    on_complete(data);
  });
}