// JavaScript Document

	var $scroll = $('#slider .scroll');
	
	$scroll
	.before('<img class="scrollButtons left" src="images/content-images/buttons/previous.png" />')
	.after('<img class="scrollButtons right" src="images/content-images/buttons/next.png" />');

	// bind the navigation clicks to update the selected nav:
	$('#slider .navigation').find('a').click(selectNav);
	
	// handle nav selection - lots of nice chaining :-)
	function selectNav() {
	$(this)
	.parents('ul:first') // find the first UL parent
	.find('a') // find all the A elements
	.removeClass('selected') // remove from all
	.end() // go back to all A elements
	.end() // go back to 'this' element
	.addClass('selected');
	}
	
	function trigger(data) {
	// within the .navigation element, find the A element
	// whose href ends with ID ($= is ends with)
	var el = $('#slider .navigation').find('a[href$="' + data.id + '"]').get(0);
	
	// we're passing the actual element, and not the jQuery instance.
	selectNav.call(el);
	}
	
	if (window.location.hash) {
	trigger({ id : window.location.hash.substr(1)});
	} else {
	$('#slider .navigation a:first').click();
	}
	
	
	// 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/content-images/buttons/previous.png" />')
	.after('<img class="scrollButtons right" src="images/content-images/buttons/next.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);
	
	});
