id = 4591, parent = 4590, thread = 4576, catid = 8, locked = 0, moved = 0,
userid = phuongnam, ip = 123.22.87.161, time = 2008/05/15 (1210844934) ,
subject = Re:gói tablor vẽ bảng biến thiên, xét dấu, hits = 0, karma = 0+0-,