arredondaConteudo = function()
  {
      settings = {
          tl: { radius: 10 },
          tr: { radius: 10 },
          bl: { radius: 10 },
          br: { radius: 10 },
          antiAlias: true,
          autoPad: true,
          validTags: ["div"]
      }
      var myBoxObject = new curvyCorners(settings, "arredonda");
      myBoxObject.applyCornersToAll();
  }