window.onload = function()
  {
      /*      validTags: ["div", "form"]
      The above example would enable curvyCorners on FORM elements.
      */
      settings = {
          tl: { radius: 5 },
          tr: { radius: 5 },
          bl: { radius: 5 },
          br: { radius: 5 },
          antiAlias: true,
          autoPad: true,
          validTags: ["div"]
      }

      /*
      Usage:

      newCornersObj = new curvyCorners(settingsObj, classNameStr);
      newCornersObj = new curvyCorners(settingsObj, divObj1[, divObj2[, divObj3[, . . . [, divObjN]]]]);
      */
      var myBoxObject = new curvyCorners(settings, "mainBody");
      myBoxObject.applyCornersToAll();
  }