<div id="events-index">
		<h4>Latest events</h4>
	
			<ul id="events-list">
				<?php query_posts( 'cat=3&posts_per_page=3' ); ?>
				<?php if (have_posts()) : while (have_posts()) : the_post(); ?>
				
				<li>
					<a href="<?php the_permalink() ?>" rel="countrycontainer">
						<?php the_post_thumbnail('home-widget'); ?>
					</a>
				</li>
				
				
				<?php endwhile; ?>
				<?php wp_reset_query(); // Reset Query ?>
				<?php endif; ?>
				<div class="clear"></div>
			</ul>
		
			<div id="event-details"></div>
	
<script type="text/javascript">

var countries=new ddajaxtabs("events-list", "event-details")
countries.setpersist(true)
countries.setselectedClassTarget("link") //"link" or "linkparent"
countries.init()

</script>

Dynamic Drive: ajaxtabscontent inaction (index page)

PHP