function fn_scroller_next_callback(carousel, item, i, state, evt)
{
	if (state == 'next') {
		carousel.add(i + carousel.options.item_count, $(item).html());
 		carousel.remove(i);
	}
}

function fn_scroller_prev_callback(carousel, item, i, state, evt)
{
	if (state == 'prev') {
		var last_item = $('li:last', carousel.list);
		var item = last_item.html();
		var count = last_item.attr('jcarouselindex') - carousel.options.item_count;
		carousel.remove(last_item.attr('jcarouselindex'));
		carousel.add(count, item);
	}
}