How do you get epic pet wars treasure codes

All the old ones that have expired are crossed off. these are all the treasure codes.
There is also a cheat. type in "bzhzkss" in both the treasure code place and the friend code place. start out with the treasure code place. then go to the friends code place and type in "bzhzkss"

Another source for the most up to date treasure codes is http://www.m3orpg.com/showthread.php?41-Treasure-Codes