SELECT mem_id,cls_id,title,posted,description,category,subcategory
				  FROM classifieds
				  WHERE (unix_timestamp() - posted) < 6000*60*24*7
				  AND restricted!='1'
				  ORDER BY rand()
				  LIMIT 0,3:Disk full (/var/tmp/#sql_fb55_0); waiting for someone to free some space...