// 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="http://www.pinkgaloshes.com/wp-content/themes/almost-spring/images/scroll_left.png" />')
 .after('<img class="scrollButtons right" src="http://www.pinkgaloshes.com/wp-content/themes/almost-spring/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);

});