$.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 = $single.outerWidth(),
                visible = Math.ceil($wrapper.innerWidth() / singleWidth), // note: doesn't include padding or border
                currentPage = 1,
                pages = Math.ceil($items.length / visible);
        // 1. Pad so that 'visible' number will always be seen, otherwise create empty items        
        //if (($items.length % visible) != 0) {            
        //    $slider.append(repeat('<li class="empty" />', visible - ($items.length % visible)));
        //    $items = $slider.find('> li');        
        //}        
        // 2. Top and tail the list with 'visible' number of items, top has the last section, and tail has the first  
        //removed to make finite list
        //$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);                
        // 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
            }, 500, 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;

                if (currentPage == pages)
                    $('a.forward').hide();
                else
                    $('a.forward').show();

                if (currentPage == 1)
                    $('a.back').hide();
                else {
                    $('a.back').show();
                }
            });
            return false;
        }
        //$wrapper.after('<a class="arrow back">&lt;</a><a class="arrow forward">&gt;</a>');                
        // 5. Bind to the forward and back buttons        
        $('a.back').click(function() {
            return gotoPage(currentPage - 1);
        });
        $('a.forward').click(function() {
            return gotoPage(currentPage + 1);
        });
        // create a public interface to move to a specific page        
        $(this).bind('goto', function(event, page) {
            gotoPage(page);
        });

        $('a.back').hide();
    });
};