id = 4809, parent = 4808, thread = 4576, catid = 8, locked = 0, moved = 0,
userid = viettug, ip = 125.234.185.164, time = 2008/07/01 (1214895085) ,
subject = Re:gói tablor vẽ bảng biến thiên, xét dấu, hits = 0, karma = 0+0-,