  addEvent(window, 'load', initCorners);

  function initCorners() {
   var settings = {
      tl: { radius: 10 },
      tr: { radius: 10 },
      bl: { radius: 10 },
      br: { radius: 10 },
      antiAlias: true
    }


    curvyCorners(settings, ".GrayWrapper");
  }

