settings = {
  tl: { radius: 10 },
  tr: { radius: 10 },
  bl: { radius: 10 },
  br: { radius: 10 },
  antiAlias: true,
  autoPad: false
}

var divObj = document.getElementById("divPhoto");
var cornersObj = new curvyCorners(settings, divObj);
cornersObj.applyCornersToAll();