$.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);            



        // 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);
        
        // 4. paging function
        function gotoPage() {
			var page = currentPage + 1;
            var dir = 1,
                n = Math.abs(currentPage - page),
                left = singleWidth * dir * n;
            
            $wrapper.filter(':not(:animated)').animate({
                scrollLeft : '+=' + left
            }, 500, function () {//.hasClass('cloned')
				if($(this).children().children(':eq('+(page + visible - 1)+')').hasClass('cloned')) {
                    $wrapper.scrollLeft(singleWidth * visible);
                    page = 1;
                }

                currentPage = page;
            });                
            
            return false;
        }
        
        
        // create a public interface to move to a specific page
		window.setInterval(function() {
			gotoPage();
        }, 4000);
    });  
};

$(document).ready(function () {
  $('.infiniteCarousel').infiniteCarousel();
});