// when the DOM is ready...
$(document).ready(function () {

 var $panels = $('#slider .scrollContainer > div');
 var $container = $('#slider .scrollContainer');

 // if false, we'll float all the panels left and fix the width
 // of the container
 var horizontal = true;

 // float the panels left if we're going horizontal
 if (horizontal) {
 $panels.css({
 'float' : 'left',
 'position' : 'relative' // IE fix to ensure overflow is hidden
 });

 // calculate a new width for the container (so it holds all panels)
 $container.css('width', $panels[0].offsetWidth * $panels.length);
 }

 // collect the scroll object, at the same time apply the hidden overflow
 // to remove the default scrollbars that will appear
 var $scroll = $('#slider .scroll').css('overflow', 'hidden');

 // apply our left + right buttons
 // $scroll
 // .before('<img class="scrollButtons left" src="images/scroll_left.png" />')
 // .after('<img class="scrollButtons right" src="images/scroll_right.png" />');

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

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

 // go find the navigation link that has this target and select the nav
 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();
 }

 // offset is used to move to *exactly* the right place, since I'm using
 // padding on my example, I need to subtract the amount of padding to
 // the offset. Try removing this to get a good idea of the effect
 var offset = parseInt((horizontal ?
 $container.css('paddingTop') :
 $container.css('paddingLeft'))
 || 0) * -1;


 var scrollOptions = {
 target: $scroll, // the element that has the overflow

 // can be a selector which will be relative to the target
 items: $panels,

 navigation: '.navigation a',

 // selectors are NOT relative to document, i.e. make sure they're unique
 prev: 'img.left',
 next: 'img.right',

 // allow the scroll effect to run both directions
 axis: 'xy',

 onAfter: trigger, // our final callback

 offset: offset,

 // duration of the sliding effect
 duration: 500,

 // easing - can be used with the easing plugin:
 // http://gsgd.co.uk/sandbox/jquery/easing/
 easing: 'swing'
 };

 // apply serialScroll to the slider - we chose this plugin because it
 // supports// the indexed next and previous scroll along with hooking
 // in to our navigation.
 $('#slider').serialScroll(scrollOptions);

 // now apply localScroll to hook any other arbitrary links to trigger
 // the effect
 $.localScroll(scrollOptions);

 // finally, if the URL has a hash, move the slider in to position,
 // setting the duration to 1 because I don't want it to scroll in the
 // very first page load. We don't always need this, but it ensures
 // the positioning is absolutely spot on when the pages loads.
 scrollOptions.duration = 1;
 $.localScroll.hash(scrollOptions);

});