var rockwell = {
      src: 'cooplatin.swf'
    };

    // You probably want to switch this on, but read <http://wiki.novemberborn.net/sifr3/DetectingCSSLoad> first.
    // sIFR.useStyleCheck = true;
    sIFR.activate(rockwell);

    sIFR.replace(rockwell, {
      selector: 'h1'
      ,opaque: true
      ,wmode: 'transparent'
      ,css: [
        '.sIFR-root {font-weight: bold; font-size: 40px; }'
      ]
    });
    sIFR.replace(rockwell, {
      selector: 'h2'
      ,opaque: true
      ,wmode: 'transparent'
      ,css: [
        '.sIFR-root {font-weight: bold; font-size: 30px; }'
      ]
    });
    sIFR.replace(rockwell, {
      selector: 'h3'
      ,opaque: true
      ,wmode: 'transparent'
      ,css: [
        '.sIFR-root {font-weight: bold; font-size: 20px; }'
      ]
    });