function showsubmenu(sid)
{
	whichEl = eval("submenu" + sid);
	imgmenu = eval("imgmenu" + sid);
	if (whichEl.style.display == "none")
	{
	eval("submenu" + sid + ".style.display=\"\";");
	//imgmenu.background="image/menuup.gif";
	}
	else
	{
	eval("submenu" + sid + ".style.display=\"none\";");
	//imgmenu.background="image/menudown.gif";
	}
}