1)     
2)     table.sql
3)     incfiles/func.php
function quiz() {
    ////////////////////////////////////////////////////////////
    //                                      //
    ////////////////////////////////////////////////////////////
    global $realtime;
    $total = mysql_result(mysql_query("SELECT COUNT(*) FROM `quiz` WHERE `type` = 'q'"), 0);
    $old = $realtime - (3 * 24 * 3600);
    $new = mysql_result(mysql_query("SELECT COUNT(*) FROM `quiz` WHERE `time` > '" . $old . "' AND `type` = 'q'"), 0);
    if ($new > 0)
        $total .= '&nbsp;/&nbsp;<span class="red"><a href="/str/quiz.php?act=new">+' . $new . '</a></span>';
    return $total;
}
4)     
echo '<div class="menu"><a href="str/quiz.php"></a> (' . quiz() . ')</div>';