$(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="http://hebig.org/vintage/knopf_links.jpg" />')
  .after('<img class="scrollButtons right" src="http://hebig.org/vintage/knopf_rechts.jpg" />');

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, 
  
  items: $panels,
  
  navigation: '.navigation a',
  prev: 'img.left', 
  next: 'img.right',
  
   axis: 'xy',
  
  onAfter: trigger, 
  
  offset: offset,
  
  duration: 500,
  
  easing: 'swing'
};

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

scrollOptions.duration = 1;
$.localScroll.hash(scrollOptions);

});