You can change your alingment through a CDQ. Just make sure you have a development thread and it shouldn't be that difficult since your moving from chaotic to nuetral.
From the thread:
http://www.layonaraonline.com/forums/forums/thread-view.asp?tid=3256&posts=9&start=1Neutral Good
------------
1. Always keeps his word.
2. Is VERY unlikely to lie, expept perhaps to an evil person.
3. Never attack or kill an unarmed foe.
4. Never harm an innocent.
5. Never tortures for any reason. Is very unlikely to allow torture for any
reason.
6. Never kill for pleasure.
7. Always tries to help others.
8. Works well in groups.
9. Never take dirty money or items.
10. Never betray a friend.
Chaotic Good
------------
1. Keeps his word to any other good person.
2. Lies only to neutral or evil people.
3. Never attack or kill an unarmed foe.
4. Never harm an innocent.
5. Never torture for pleasure or information. Threats may be permissible.
6. Never kill for pleasure.
7. Always tries to help others.
8. Distrusts authority.
9. Works well in groups, but dislikes confining rules and 'red tape'.
10. Never take dirty money or items.
11. Never betray a friend.