add webfonts to thematic

functions.php

<?php
function my_head_scripts($content) {                                                                          
  $content .= '<script type="text/javascript"' .                                                              
    'src="http://ajax.googleapis.com/ajax/libs/webfont/1/webfont.js">' .                                      
    '</script>' .                                                                                             
    '<script type="text/javascript">' .                                                                       
    'WebFont.load({' .                                                                                        
    '  google: { families: ["Cardo", "Crimson Text", "Vollkorn"] }' .                                         
    '});' .                                                                                                   
    '</script>';                                                                                              
  return $content;                                                                                            
}                                                                                                             
add_filter('thematic_head_scripts', 'my_head_scripts');
?>