var impact = { src: 'http://www.stopstack.com/media/layout/impact.swf' };

// Next, activate sIFR:
sIFR.activate(impact);

//Read more about styling at <http://wiki.novemberborn.net/sifr3/Styling>.
sIFR.replace(impact, {
  selector: 'h2.page_heading',
    wmode: 'transparent',
  css: '.sIFR-root { font-size: 32px; text-transform: uppercase; color: #ffffff;  }'
});

//Read more about styling at <http://wiki.novemberborn.net/sifr3/Styling>.
sIFR.replace(impact, {
  selector: '#buynow h2',
    wmode: 'transparent',
  css: '.sIFR-root { font-size: 20px; text-transform: uppercase; color: #ffffff; }'
});