I wrote this converter with moving bits in data stream :) not replace chars :D
It's converting this charsets:
WINDOWS * windows-1250 - Central Europe * windows-1251 - Cyrillic * windows-1252 - Latin I * windows-1253 - Greek * windows-1254 - Turkish * windows-1255 - Hebrew * windows-1256 - Arabic * windows-1257 - Baltic * windows-1258 - Viet Nam * cp874 - Thai - this file is also for DOS