function showsubmenu(id)
{
	if(subopen.length > 0 && document.getElementById(subopen))
	document.getElementById(subopen).style.display = "none";

	document.getElementById(id).style.display = "block";
	subopen = id;
}
function showsubsubmenu(id)
{
	if(subsubopen.length > 0 && document.getElementById(subsubopen))
	document.getElementById(subsubopen).style.display = "none";

	document.getElementById(id).style.display = "block";
	subsubopen = id;
}