Cufon.replace('h2', { fontFamily: 'Trebuchet MS'});
Cufon.replace('#error_data h2', { fontFamily: 'Trebuchet MS' });

Cufon.replace('h3', { fontFamily: 'Trebuchet MS' })
Cufon.replace('h4', { fontFamily: 'Trebuchet MS' })
Cufon.replace('h5', { fontFamily: 'Trebuchet MS' })