(function($) {
  var apiScrollable;
  $(function() {
    $("#scrollable").scrollable({
      horizontal : true,
      items : '#items',
      speed : 500
    });
    apiScrollable = $("#scrollable").data('scrollable');
    $.lib.click('.sub-links a');
  });
  $.lib = {
    click : function(sec, options) {
      $(sec).click(function() {
        var addClass_ = 'hover';
        $(sec).removeClass(addClass_);
        $(this).addClass(addClass_);
        var index_ = $('.sub-links a').index($(this));
        apiScrollable.seekTo(index_ + 1);
        return false;
      });
    }
  };

})(jQuery);