$(document).ready(function () {

var $panels = $('.projectSlider .scroller > .panel');
var $container = $('.projectSlider .scroller');
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 = $('.projectSlider .scrollContainer').css('overflow', 'hidden');


$scroll
  .before('<span class="scrollButtons_2 left"></span>')
  .after('<span class="scrollButtons_2 right"></span>');


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


$('.projectSlider .navigation').find('a').click(selectNav);


function trigger(data) {
  var el = $('.projectSlider .navigation').find('a[href$="' + 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, 
  items: $panels,
  navigation: '.navigation a',
  prev: 'span.left', 
  next: 'span.right',
  axis: 'x',
  onAfter: trigger, 
  offset: offset,
  duration: 800,
  easing: 'swing'
};


$('.projectSlider').serialScroll(scrollOptions);

});