function showhide(id,imgId)
{
	identity=document.getElementById(id);
	
	if(identity.className == "closed")
	{
		identity.className="show";
		document[imgId].src = "config/images/open.gif";
	}
	else
	{
		identity.className="closed";
		document[imgId].src = "config/images/closed.gif";
	}
}