$cat = get_query_var('cat');
$childs = get_categories('child_of='.$cat.'&hide_empty=0');
if (count($childs) > 0) {
print ‘

‘;
wp_list_categories(‘orderby=ID&use_desc_for_title=1&depth=1&hide_empty=0&title_li=


‘.__(‘Escolha o Assunto’,'redc’).’

&child_of=’.$cat);
print ‘

‘;
}
?>