$(document).ready(function () {
 
  var $panels = $('#slider .scrollContainer > div');
  var $container = $('#slider .scrollContainer');
  var horizontal = true;

  if (horizontal) {
    $panels.css({
      'float' : 'left',
      'position' : 'relative' // IE fix to ensure overflow is hidden
    });
    $container.css('width', $panels[0].offsetWidth * $panels.length);
  }

  var $scroll = $('#slider .scroll').css('overflow', 'hidden');

  $scroll
    .before('<img class="scrollButtons left" src="/site/img/icons/arrow_left.png" alt="" title="Scrolla listan till höger" />')
    .after('<img class="scrollButtons right" src="/site/img/icons/arrow_right.png" alt="" title="Scrolla listan till vänster" />');

  function selectNav() {
    $(this)
      .parents('ul:first')
        .find('a')
          .removeClass('selected')
        .end()
      .end()
      .addClass('selected');
  }

  $('#slider .navigation').find('a').click(selectNav);

  function trigger(data) {
    var el = $('#slider .navigation').find('a[href$="' + data.id + '"]').get(0);
    selectNav.call(el);
  }

  if (window.location.hash) {
    trigger({ id : window.location.hash.substr(1) });
  } else {
    $('ul.navigation a:first').click();
  }

  var offset = parseInt((horizontal ? 
    $container.css('paddingTop') : 
    $container.css('paddingLeft')) 
    || 0) * -1;

    var scrollOptions = {
      target: $scroll, // the element that has the overflow
      items: $panels,
      prev: 'img.left', 
      next: 'img.right',
      axis: 'xy',
      onAfter: trigger, // our final callback
      offset: offset,
      duration:400,
      easing: 'swing'
    };
    $('#slider').serialScroll(scrollOptions);
});