Load typekit via Modernizr, checks for fontface support (FOUC)

gistfile1.js

<script>
  Modernizr.load([{
    // Does the browser support @font-face?
    test: Modernizr.fontface, // Should return a boolean
    // Yep! Get the fonts
    yep : 'http://use.typekit.com/.js',
    complete: function() {
      // Load complete! Tell Typekit to start up
      try { Typekit.load(); } catch(e) {};
      // Profit!
    }
  }]);
</script>