<?php
$cat_id = get_query_var('cat');
$sonuc=wp_list_categories("echo=0&orderby=title&or der=ASC&hide_empty=0&boolean=0&title_li=&depth=1&s how_count=0&use_desc_for_title=0&child_of=$cat_id" );

if($sonuc=='<li class="cat-item-none">No categories</li>')
{?>

<?php if ( have_posts() ) : ?>
<?php query_posts($query_string . "&orderby=title&order=ASC&posts_per_page=50"); ?>
<?php while ( have_posts() ) : the_post(); ?>
<?php endwhile; ?>
<?php endif;


} ?>