function showImage(tag)
{
	var strid = tag.id;

	var test = strid.replace(/_open/, '');
	
	var nownew = document.getElementById(test).className;
	
	var classnew = nownew.replace(/ hidden/, '');
	
	document.getElementById(test).className = classnew;
	
	return false;
}

function closeImage(tag)
{
	var strid = tag.id;

	var test = strid.replace(/_close/, '');
	
	var nownew = document.getElementById(test).className;
	
	document.getElementById(test).className = nownew + ' hidden';
	
	return false;
}