Including Typekit in WP Head

typekit_init.php

// include typekit
function typekit_init(){?>

<script type="text/javascript" src="//use.typekit.net/TYPEKITIDHERE.js"></script>
<script type="text/javascript">try{Typekit.load();}catch(e){}</script>

<?}


add_action('wp_head', 'typekit_init');