var helvetica = { src: '/css/helvetica.swf' };

sIFR.activate(helvetica);

sIFR.replace(helvetica, {
  selector: 'h1',
  css: '.sIFR-root { background-color: #ffffff; color: #565656; letter-spacing: 0.3 }', 
  offsetTop: -3, tuneHeight: -8
});