var selected_post = 0;
var num_posts;


function display_post(post_number) {			
	$('div.post').hide();
	$('div.post:eq(' + post_number + ')').show();
}

function display_older() {
	selected_post = (selected_post + 1) % num_posts;
	display_post(selected_post);

	return false;
}

function display_newer() {
	selected_post = (selected_post + (num_posts - 1)) % num_posts;
	display_post(selected_post);

	return false;
}



$(document).ready(function() {
	var $ss = $('#slideshow');
    
	// add slides to slideshow (images 2-4)
	for (var i = 2; i <= 5; i++)
		$ss.append('<img src="images/ban-news-'+i+'.jpg" alt="" height="232px" width="472px"/>');

	// start the slideshow
	$ss.cycle({ speed: 2000, timeout: 8000 });



	num_posts = $('div.post').length;

	$('.post_date:gt(0)').append(
		'<a href="#" class="newer" onclick="return display_newer();"> &raquo;</a>'
	);
	$('.post_date:lt(' + (num_posts - 1) + ')').prepend(
		'<a href="#" class="older" onclick="return display_older();">&laquo; </a>'
	);


	// hide all posts but the topmost
	display_post(selected_post);

});