problem with characters

hello there

well first of all thanx for this wonderful component😀 but i have a problem

when i post some comments i dont see the charsets i use (greek) but instead i see ????????
here is a sample page:
http://www.hosting-web.gr/Σωστή-επιλογή-domain#comments

can anyone please help me ?

thanx in advance

never mind i found it
was the sql tables in phpmyadmin encoding...