var index = 0;
var length = 0;
var images;

$(document).ready(function() {
	var images = $('#slideshow img');
	var length = images.size();

	if (length == 0) {
		$('#slideshow_next').hide();
		$('#slideshow_prev').hide();
	} else {
		images.hide();
		images.css('position', 'absolute');

		$(images.get(0)).show();

		$('#slideshow_next').click(function (event) {
			event.preventDefault();
			$(images.get(index%length)).fadeOut('normal');
			$(images.get(++index%length)).fadeIn('normal');
		});

		$('#slideshow_prev').click(function (event) {
			event.preventDefault();
			$(images.get(index%length)).fadeOut('normal');
			if (--index < 0) {
				index += length;
			}
			$(images.get(++index%length)).fadeIn('normal');
		});
	}
});