multilingual facebook like button

gistfile1.txt

<?php
function facebook_javascript() {
  global $q_config;
  $fb_lang = 'de_DE';
  switch ( $q_config['language'] ) {
  case 'en': $fb_lang = 'en_US'; break;
  case 'fr': $fb_lang = 'fr_FR'; break;
  case 'it': $fb_lang = 'it_IT'; break;
  case 'es': $fb_lang = 'es_ES'; break;
  }
?>
<div id="fb-root"></div>
<script>(function(d, s, id) {
  var js, fjs = d.getElementsByTagName(s)[0];
  if (d.getElementById(id)) return;
  js = d.createElement(s); js.id = id;
  js.src = "//connect.facebook.net/<?php echo $fb_lang; ?>/all.js#xfbml=1";
  fjs.parentNode.insertBefore(js, fjs);
}(document, 'script', 'facebook-jssdk'));</script>
<?php }
add_action('wp_footer', 'facebook_javascript');
?>