note 36152 added to function.mysql-num-rows

Ok I am still confused on this, I have the same error but I do not know how o fix it. http://www.harleybabes.net/bubble/bubble.php is giving me the error: Warning: mysql_num_rows(): supplied argument is not a valid MySQL result resource in /home/harleyba/public_html/bubble/bubble.php on line 25 My script says this: $res = mysql_query("select UNIX_TIMESTAMP(DATE_ADD(spenddate,INTERVAL " . $_timer . " HOUR))-UNIX_TIMESTAMP(NOW()) from bubble where gameid='$_id' and status=1 and burst=0 order by id desc"); if (mysql_num_rows($res)>0) { $dif_sec = mysql_result($res,0,0); if ($dif_sec <= 0) { //restart!!! if ($_insure==1) { So how do I fix this please correct the above so I understand. Please email me if you could at webmisstress@harleybabes.net Thanks, Harley ---- Manual Page -- http://www.php.net/manual/en/function.mysql-num-rows.php Edit Note -- http://master.php.net/manage/user-notes.php?action=edit+36152 Delete Note -- http://master.php.net/manage/user-notes.php?action=delete+36152&report=yes Reject Note -- http://master.php.net/manage/user-notes.php?action=reject+36152&report=yes