$().ready(function() {
  $('#header').codaSlider();
  
  $(document.documentElement).keyup(function (event) {
    var direction = null;

    // handle cursor keys
    if (event.keyCode == 37) {
      // go left
      direction = 'prev';
    } else if (event.keyCode == 39) {
      // go right
      direction = 'next';
    }

    if (direction != null) {
      $('#menu ul a.goto_box1').parent()[direction]().find('a').click();
    }
  });
});