> page.drawPolyline (car_x, car_y,10);//caryour car_x and car_y need to have offset added to them also like u do for the wheelsalso maybe u should be doing the animation in a separate thread instead of calling it from start()hth

wouldnt it be simpler if he just checks the the http response code is 404 or not see HttpUrlConnection.getResponseCode() --vikram