var overlay_conf= { 
  api: true,
  closeOnClick: false,
  closeOnEsc: false,
  expose: { 
    color: '#333', 
    loadSpeed: 200, 
    opacity: 0.8
  }
};

var lazyload_conf= {
  threshold : 200,
  placeholder : 'http://ta-boo.ckls.it/images/whitedot.gif',
  effect      : 'fadeIn'
};