var yourtypeface = {
      src: 'flash/avenir_roman.swf'
};
 
sIFR.activate(yourtypeface);
 
sIFR.replace(yourtypeface, {
      selector: '#main h1, #sidebar h3',
      css: [
      '.sIFR-root { font-size:21px; font-weight:normal; color:#424141; margin: 0; padding: 0; leading: 7; background-color: #ffffff; }'
      ],
      wmode: 'transparent'
      
});

/* 
Leading används istället för line-height 
Dokumentation: http://wiki.novemberborn.net/sifr3
*/