addEvent(window, 'load', initCorners);
  function initCorners() {
    var settings = {
      tl: { radius: 8 },
      tr: { radius: 8 },
      bl: { radius: 8 },
      br: { radius: 8 },
      antiAlias: true
    }
   curvyCorners(settings, "#myBox");
  }