/**
 * @author cmcnamara87
 */
// 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 = false;

		// 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');

		// 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);

	});