On or off

SELECT * FROM gallery2 WHERE topic_id="491495" UNION SELECT * FROM gallery2 WHERE topic_id="763096" UNION SELECT * FROM gallery2 WHERE topic_id="1784141" UNION SELECT * FROM gallery2 WHERE topic_id="454754" UNION SELECT * FROM gallery2 WHERE topic_id="122777" UNION SELECT * FROM gallery2 WHERE topic_id="1079957" UNION SELECT * FROM gallery2 WHERE topic_id="1821221" UNION SELECT * FROM gallery2 WHERE topic_id="1480813" UNION SELECT * FROM gallery2 WHERE topic_id="1047162" UNION SELECT * FROM gallery2 WHERE topic_id="238377" UNION SELECT * FROM gallery2 WHERE topic_id="997575" UNION SELECT * FROM gallery2 WHERE topic_id="1094024" UNION SELECT * FROM gallery2 WHERE topic_id="376021" UNION SELECT * FROM gallery2 WHERE topic_id="1342665" UNION SELECT * FROM gallery2 WHERE topic_id="209476" UNION SELECT * FROM gallery2 WHERE topic_id="850340"