if (!subOpen) { var subOpen = false; }
if (!firstSubOpen) { var firstSubOpen = false; }
if (!curSub) { var curSub = 'submenu0'; }

function openMenu(submenuId)
{
	var m = $('nav').down('#'+submenuId);
	if (m) {
		$(m).setStyle({
			display: 'block'
		});
	} else {
		//alert('submenuId');
	}
}

function navSubMenu(submenuId)
{
	$('nav').select('li ul').each(function(i){
		$(i).setStyle({
			display: 'none'
		});
	});
	var m = $('nav').down('#'+submenuId);
	$(m).setStyle({
		display: 'block'
	});
}