я вкурил как уже
echo "<li class='pt'><img width='16' height='16' src='/images/new/mails.png' alt=''> ".(isset($_GET['mail'])?"<span>Почта</span>":"<a href='/mail'>Почта</a>")."".(mysql_result(mysql_query("SELECT COUNT(*) FROM `kolhoz_mail` WHERE `id_user` = '$ku[id]' AND `read` = '0'"),0)!=0?" <span class='title'>(".mysql_result(mysql_query("SELECT COUNT(*) FROM `kolhoz_mail` WHERE `id_user` = '$ku[id]' AND `read` = '0'"),0).")</span>":null)."</li>";