codice:
function initCurvycorners() { 
      settings = {
          tl: { radius: 20 }, tr: { radius: 20 },
          bl: { radius: 20 }, br: { radius: 20 },
          antiAlias: true, autoPad: true, validTags: ["div"]
      }
      var myBoxObject = new curvyCorners(settings, "myBox");
      myBoxObject.applyCornersToAll();
}

window.onload=function() {
  myHeight = new fx.Height('container', {duration: 400});
  document.getElementById("loading").style.display="none";
  initCurvycorners();
}
Ciao