var visibleFriends = 2;

function addFriend() {
	if (visibleFriends < 5) {
		visibleFriends++;
		fieldToActivate = 'friendRow_' + visibleFriends;
		if (navigator.appName == "Microsoft Internet Explorer") {
			document.getElementById(fieldToActivate).style.display = 'inline';
		}
		else {
			document.getElementById(fieldToActivate).style.display = 'table-row';		
		}
	}
	else return;
}

function removeFriend() {
	if (visibleFriends >= 3) {	
		fieldToActivate = 'friendRow_' + visibleFriends;
		document.getElementById(fieldToActivate).style.display = 'none';
		visibleFriends--;
	}
	else return;
}