$(document).ready(function () {

  var horizontal = true;
  var $panels = $('#slider .panel');
  var $container = $('#slider .scrollContainer');
  var $scroll = $('#slider .scroll').css('overflow', 'hidden');
  
  $scroll
    .before('<img class="scrollButtons left" src="images/page-last.png" />')
    .after('<img class="scrollButtons right" src="images/page-next.png" />');
    
  if (horizontal) {
    $panels.css({
      'float' : 'left',
      'position' : 'relative'
    });
    $container.css('width', $panels[0].offsetWidth * $panels.length);
  }

  $('#slider .navigation a').click(selectNav);
  
  function selectNav() {
    $(this)
      .parents('ul:first')
        .find('a')
          .removeClass('selected')
        .end()
      .end()
      .addClass('selected');
  }
  
  var scrollOptions = {
  target: $scroll,
  items: $panels,
  navigation: '.navigation a',
  prev: 'img.left',
  next: 'img.right',
  axis: 'xy',
  duration: 1200,
  onAfter: trigger,
  easing: 'swing'
  };
  
  function trigger(data) {
    var el = $('#slider .navigation').find('a[href$="' + data.id + '"]');
    selectNav.call(el);
  }
  
  if (window.location.hash) {
    trigger({ id: window.location.hash.substr(1) });
  } else {
    $('#slider .navigation a:first').click();
  }

  $('#slider').serialScroll(scrollOptions);
  $.localScroll(scrollOptions);

});