window.onload = function()
  {
      settings = {
          tl: { radius: 8 },
          tr: { radius: 8 },
          bl: { radius: 8 },
          br: { radius: 8 },

          antiAlias: true,
          autoPad: true,
          validTags: ["div"]
      }
 var myBoxObject = new curvyCorners(settings, "cart");
      myBoxObject.applyCornersToAll();
}