function showthis(item) {
	var old = document.getElementById('oldItem').innerHTML;
	document.getElementById('m'+old).className="link";
	document.getElementById('m'+item).className="label";
	Effect.DropOut('d'+old, { queue: 'end' });
	Effect.Grow('d'+item, { duration: 0.6, direction: 'center', queue: 'end' });
	Effect.BlindUp('p'+old, { duration: 0.6, queue: 'end' });
	Effect.BlindDown('p'+item, { duration: 0.6, queue: 'end' });
	document.getElementById('oldItem').innerHTML=item;
}