$.fn.infiniteCarousel = function() {

	function repeat(str, num) {
		return new Array(num + 1).join(str);
	}

	return this.each(function() {
		var $wrapper = $('> div', this).css('overflow', 'hidden'),
            $slider = $wrapper.find('> ul'),
            $items = $slider.find('> li'),
            $single = $items.filter(':first'),

            singleWidth = $single.outerWidth(),
            visible = 1,
            currentPage = 1,
            pages = Math.ceil($items.length / visible);

		//visible = Math.ceil($wrapper.innerWidth() / singleWidth), // note: doesn't include padding or border


		// 1. Pad so that 'visible' number will always be seen, otherwise create empty items
		if (($items.length % visible) != 0) {
			$slider.append(repeat('<li class="empty" />', visible - ($items.length % visible)));
			$items = $slider.find('> li');
		}

		// 2. Top and tail the list with 'visible' number of items, top has the last section, and tail has the first
		$items.filter(':first').before($items.slice(-visible).clone().addClass('cloned'));
		$items.filter(':last').after($items.slice(0, visible).clone().addClass('cloned'));
		$items = $slider.find('> li'); // reselect

		// 3. Set the left position to the first 'real' item
		$wrapper.scrollLeft(singleWidth * visible);

		$items.eq(currentPage + 1).addClass('selected');

		// 4. paging function
		function gotoPage(page) {
			var dir = page < currentPage ? -1 : 1,
                n = Math.abs(currentPage - page),
                left = singleWidth * dir * visible * n;

			$wrapper.filter(':not(:animated)').animate({
				scrollLeft: '+=' + left
			}, 600, function() {
				if (page == 0) {
					$wrapper.scrollLeft(singleWidth * visible * pages);
					page = pages;
				} else if (page > pages) {
					$wrapper.scrollLeft(singleWidth * visible);
					// reset back to start position
					page = 1;
				}

				currentPage = page;


			});

			$items.removeClass('selected');

			var selectedIndex = ((dir * 1) + (currentPage)) + 1;

			$items.eq(selectedIndex).addClass('selected');

			return false;
		}

		$wrapper.after('<a class="arrow back">&lt;</a><a class="arrow forward">&gt;</a>');

		// 5. Bind to the forward and back buttons
		$('a.back', this).click(function() {
			return gotoPage(currentPage - 1);
		});

		$('a.forward', this).click(function() {
			return gotoPage(currentPage + 1);
		});

		// create a public interface to move to a specific page
		$(this).bind('goto', function(event, page) {
			gotoPage(page);
		});
	});
};