var font = { src: 'flash/calibri.swf' };
sIFR.activate(font);
 
sIFR.replace(font, {
      selector: '#maincont h1, #maincont h2, #maincont h3',
      css: [
      '.sIFR-root { font-size:20px; color:#99CC00; }',
      ],
      wmode: 'transparent'
});