system/installer/footer.php

<?php
namespace Habari;
if ( !defined( 'HABARI_PATH' ) ) { die('No direct access'); }
?>
  </div><!-- end wrapper -->
  <script type="text/javascript">
function _t() {
  var domain = <?php
    // retrieve only the translated strings that are used by this page's javascript functions.
    $messages = array_intersect_key( Locale::get_messages(), array_flip( array( "All selected", "%s selected", "None selected" ) ) );
    echo json_encode( $messages );
  ?>;
  var s = arguments[0];

  if(domain[s] != undefined) {
    s = domain[s][1][0];
  }

  for(var i = 1; i <= arguments.length; i++) {
    r = new RegExp('%' + (i) + '\\\\\$s', 'g');
    if(!s.match(r)) {
      r = new RegExp('%s');
    }
    s = s.replace(r, arguments[i]);
  }
  return s;
}
</script>
</body>
</html>