Krite, Вот исправил!
function group() {global $realtime;$total = mysql_result(mysql_query("SELECT COUNT(*) FROM `groups`"), 0);$nes = mysql_result(mysql_query("SELECT COUNT(*) FROM `groups` WHERE`time` > '" . ($realtime -86400) . "'"), 0);if ($nes > 0)$total .= ' <span class="red">+' . $nes . '</span>';return $total;}echo '<div class="menu"> <a href="groups/"> Группы</a>(' . group() . ')</div>';