addEvent(window, 'load', initCorners);

  function initCorners() {
    var setting = {
      tl: { radius: 6 },
      tr: { radius: 6 },
      bl: { radius: 6 },
      br: { radius: 6 },
      antiAlias: true
    }
    curvyCorners(setting, "#wrapper");
    curvyCorners(setting, "#menu a:hover");
 }