What is The Central European Initiative?

From the website (it doesn't support Firefox by the way) of this orgasatisation:
One of CEI’s objectives is to bring the countries of Central and Eastern Europe closer together and assist them in their preparation process for EU membership.
Actually, I was a bit confused to find out that we are members of this organisation, I hear for the first time about it's existence. So it's the tool for Belarus to cooperate with whole Europe since this country is not a member of EU and even to of CoE.