Asian Language/Unicode support

I tried to store Chinese characters in Unicode UTF-8 format in my database. I am using NewEra 2.2 running on Win95 and Informix Online Dynamic Server 7.2 running on AIX. According to the documentations, without specifying a locale, the default locale will be en_us.8859-1. I managed to store some UTF-8 Chinese characters inside my database but while doing searching with Chinese characters, I encountered -202 error saying an invalid character in my search string. I could do this with Version 5. I have tried to play around with setting LANG, DB_LOCALE, CLIENT_LOCALE, etc in GLS to try to get it work but still failed. Anyone here has similar experience? Also, I did find locale like en_us.utf8 in the gls/lc11 directory on my server. Is there a full Unicode locale (not restricted to one language) which all Unicode characters will be valid characters? Thanks! Regards Chiah Jen(chiahjen@starglobe.com.sg)