//---------------
// curvyCorners
//---------------
  addEvent(window, 'load', initCorners);
  function initCorners() {
    var settings = {
      tl: { radius: 12 },
      tr: { radius: 12 },
      bl: { radius: 0 },
      br: { radius: 0 },
      antiAlias: true
    }
    curvyCorners(settings, "#header");

    var settings = {
      tl: { radius: 0 },
      tr: { radius: 0 },
      bl: { radius: 6 },
      br: { radius: 6 },
      antiAlias: true
    }
    curvyCorners(settings, "#container");


    var settings = {
      tl: { radius: 7 },
      tr: { radius: 7 },
      bl: { radius: 7 },
      br: { radius: 7 },
      antiAlias: true,  //アンチエイリアス
      autoPad: true  //オートパディング
    }
    curvyCorners(settings, ".maru");

   var settings = {
      tl: { radius: 7 },
      tr: { radius: 7 },
      bl: { radius: 7 },
      br: { radius: 7 },
      antiAlias: true
    }
    curvyCorners(settings, ".kado");
}