var tahoma_bold = {
      src: 'flash/tahoma_bold.swf'
      };
    // You probably want to switch this on, but read <http://wiki.novemberborn.net/sifr3/DetectingCSSLoad> first.
    // sIFR.useStyleCheck = true;
    sIFR.activate(tahoma_bold);
    sIFR.replace(tahoma_bold, {
				 selector: 'h1,h3,h4'
				 ,wmode: 'transparent'});