var service:HTTPService = new HTTPService();
service.url = 'http://ajax.googleapis.com/ajax/services/search/web';
service.request.v = '1.0';
service.request.q = 'leigeber';
service.request.ley = 'ABQIAAAApky668WZMEFNVbwb4wHR0hT2Mi0alG5WhUIiNYMpukRgIAfPDBQ6HWrmyEx-JxO-I3xy2pjARK0iyw';
service.resultFormat = 'text';
service.addEventListener(ResultEvent.RESULT, onServerResponse);
service.send();

private function onServerResponse(event:ResultEvent):void {
  try {
    var json:Object = JSON.decode(event.result as String);
    alert(json.tostring);
  } catch(ignored:Error) {
  }
}