function expand(aID,imgID,itemID)
{
	(e = document.getElementById(aID).parentNode.getElementsByTagName('div')[itemID]).style.display = (e.style.display == 'none'?'':'none');
	document.getElementById(imgID).src=(e.style.display == 'none'?'http://www.edroman.com/images/expand.png':'http://www.edroman.com/images/collapse.png');
}