function changeIpGroupRadio() {
	var existingGroup = document.getElementById('use_existing_group');
	//var newGroup = document.getElementById('create_new_group');
	var groupSelect = document.getElementById('ip_group');
	var newGroupName = document.getElementById('new_group_name');
	var ipBox = document.getElementById('ips');
	if (existingGroup.checked) {
		newGroupName.disabled = true;
		ipBox.disabled = true;
		groupSelect.disabled = false;
	} else {
		newGroupName.disabled = false;
		ipBox.disabled = false;
		groupSelect.disabled = true;
	}
}