International Characters

On first ASP page there is a FORM that user must fill - personal data
& stuff, where users use special language related characters (like
Č, š, Ž...). When I post the form results to another ASP page
that collects the data with Request.form("field"), special characters
usually (90%) disappear, change into boxes or some other characters.
This page should then write the results to a DB or send it via email,
but since the characters are not encoded properly I did not write the
script yet.

I tried to set Codepage and charset, but it does not solve the
problem.

I can't seem to find a solution on the web since I am not sure what to
look for.