function showSubmenu ()
{
	submenu = document.getElementById('submenu-menu');
	if (submenu == null) return;
	
	display = submenu.style.display;
	submenu.style.display = (display=="none")?"":"none";
}
function zoom(img,w,h)
{
 ww = w + 20;
 hh = h + 20;
 win = window.open(img,"_blank","width="+ww+",height="+hh);
}