$.fn.news = function () {

    function repeat(str, num) {      return new Array( num + 1 ).join( str );   }
  
    return this.each(function () {      var $box = $('> div', this).css('overflow', 'hidden'),
            $slider = $box.find('> ul'),
            $items = $slider.find('> li'),
            $single = $items.filter(':first'),
            singleWidth = $single.outerWidth(), 
            visible = Math.ceil($box.innerWidth() / singleWidth),
            currentPage = 1,
            pages = Math.ceil($items.length / visible);            
        
        if (($items.length % visible) != 0) {          $slider.append(repeat('<li class="empty" />', visible - ($items.length % visible)));           $items = $slider.find('> li');       }

        
        $items.filter(':first').before($items.slice(- visible).clone().addClass('cloned'));       $items.filter(':last').after($items.slice(0, visible).clone().addClass('cloned'));       $items = $slider.find('> li'); // reselect
        
       
        $box.scrollLeft(singleWidth * visible);       
        
        function gotoPage(page) {          var dir = page < currentPage ? -1 : 1,
                n = Math.abs(currentPage - page),
                left = singleWidth * dir * visible * n;           
            $box.filter(':not(:animated)').animate({
                scrollLeft : '+=' + left
            }, 500, function () {              if (page == 0) {                  $box.scrollLeft(singleWidth * visible * pages);                   page = pages;               } else if (page > pages) {                  $box.scrollLeft(singleWidth * visible);                   // reset back to start position
                    page = 1;               } 

                currentPage = page;           });                
            
            return false;       }
        
        $box.after('<a class="arrow back"></a><a class="arrow forward"></a>');       
        
        $('a.back', this).click(function () {          return gotoPage(currentPage - 1);                
        });       
        $('a.forward', this).click(function () {          return gotoPage(currentPage + 1);       });       
       
        $(this).bind('goto', function (event, page) {          gotoPage(page);       });   });  
};

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