var yourtypeface = {src: 'http://s3.jonlathem.com/website/other/jellofont.swf'};
sIFR.activate(yourtypeface);
sIFR.replace(yourtypeface, {selector: 'h2.mainTitleStyle', wmode: 'transparent', css: '.sIFR-root {color:#FFFFFF;font-weight:normal; font-size:27px }'});
//sIFR.replace(yourtypeface, {selector: 'h2.mainTitleStyle', css:'.sIFR-root {color:#FFFFFF; }'});