function ContactCardBackward(){

	document.getElementById("ContactCard_"+ContactCardCurrent).style.display="none";
	if(ContactCardCurrent==0) ContactCardCurrent=ContactCardMax;
	else ContactCardCurrent--;
	document.getElementById("ContactCard_"+ContactCardCurrent).style.display="block";

}

function ContactCardForward(){

	document.getElementById("ContactCard_"+ContactCardCurrent).style.display="none";
	if(ContactCardCurrent==ContactCardMax) ContactCardCurrent=0;
	else ContactCardCurrent++;
	document.getElementById("ContactCard_"+ContactCardCurrent).style.display="block";

}