Rank em!

SELECT * FROM gallery2 WHERE topic_id="844462" UNION SELECT * FROM gallery2 WHERE topic_id="972418" UNION SELECT * FROM gallery2 WHERE topic_id="689006" UNION SELECT * FROM gallery2 WHERE topic_id="1822008" UNION SELECT * FROM gallery2 WHERE topic_id="562978" UNION SELECT * FROM gallery2 WHERE topic_id="198039" UNION SELECT * FROM gallery2 WHERE topic_id="1551425" UNION SELECT * FROM gallery2 WHERE topic_id="1059248" UNION SELECT * FROM gallery2 WHERE topic_id="1109555" UNION SELECT * FROM gallery2 WHERE topic_id="819254" UNION SELECT * FROM gallery2 WHERE topic_id="1552309" UNION SELECT * FROM gallery2 WHERE topic_id="812234" UNION SELECT * FROM gallery2 WHERE topic_id="755459" UNION SELECT * FROM gallery2 WHERE topic_id="865373" UNION SELECT * FROM gallery2 WHERE topic_id="1707683" UNION SELECT * FROM gallery2 WHERE topic_id="641133"