<?php
/*
related posts list with excerpt and class active for single.php
by alchymyth 10/03/2011
update by EntarteteMuzak 10/03/2011
*/
$this_post_id = $post->ID;
$categs = get_the_category($post->ID);
foreach($categs as $cate) { $post_cats[] = $cate->term_id; }
$args = array(
'posts_per_page' => -1,
'category__in' => $post_cats
);
$this_query = new WP_query( $args ); ?>
<?if($this_query->have_posts()) :  ?>
<?php $count = 0; ?>
<?while($this_query->have_posts()) :
$this_query->the_post(); ?>
<?php $count++; ?>
<?php if ($count%3== 0) : ?>

<div <?php post_class() ?> id="post-<?php the_ID(); ?>">
<h3<?php if($post->ID == $this_post_id) echo ' class="active"'; ?>><a href="<?php the_permalink(); ?>" title="link to <?php the_title(); ?>"><?php the_title(); ?></a></h3>
<?php the_excerpt(); ?>
</div>

<div class="clearfix"></div>
<hr />

<?php else : ?>

<div <?php post_class() ?> id="post-<?php the_ID(); ?>">
<h3<?php if($post->ID == $this_post_id) echo ' class="active"'; ?>><a href="<?php the_permalink(); ?>" title="link to <?php the_title(); ?>"><?php the_title(); ?></a></h3>
<?php the_excerpt(); ?>
</div>

<?php endif; ?>
<?endwhile; ?>
<?endif; ?>
<?wp_reset_query(); ?>