document.write('<scr'+'ipt type="text/javascript" src="/js/font.js"></scr'+'ipt>');

Cufon.set('fontFamily','garamond').replace('#main h1')('#main h2')('#nav li a',{ hover: true, hoverables: { a: true, li: true }}); //you set the font family, which is found in the font file, then you chose what you want replaced, if you want something to change colours - set in the css - you do hover: true, then set your hoverables :)