$.fn.carousel = function () {

	function repeat(str, num) {
		return new Array( num + 1 ).join( str );
	}
  
	return this.each(function () {
		var $wrapper = $('div.bottom_scroll', this).css('overflow', 'hidden');
		var $slider = $wrapper.find('ul');
	
		var $items = $slider.find('li');
		var $single = $items.filter(':first');

		var singleWidth = $single.outerWidth();
		var visible = Math.ceil($wrapper.innerWidth() / singleWidth);
		var currentPage = 1;
		var 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');
		
		$wrapper.scrollLeft(singleWidth * visible);
		
		function gotoPage(page) {
			var dir = page < currentPage ? -1 : 1,
				n = Math.abs(currentPage - page),
				left = Math.round((singleWidth * dir * visible * n) / 3);
			$wrapper.filter(':not(:animated)').animate({
				scrollLeft : '+=' + left
			}, 1000, function () {
				if (page == 0) {
					$wrapper.scrollLeft(singleWidth * visible * pages);
					page = pages;
				} else if (page > pages) {
					$wrapper.scrollLeft(singleWidth * visible);
					page = 1;
				} 

				currentPage = page;
			});                
			
			return false;
		}
		
		$('.green_right_plus a', this).click(function (e) {
			gotoPage(currentPage + 1);
		e.stopPropagation();
		return false;
		});
		
		$('.green_left_plus a', this).click(function (e) {
			gotoPage(currentPage - 1);
		e.stopPropagation();
		return false;
		});
	});  
};