function MenuClick(no) {
	var oSubMenu = document.getElementById("submenu" + no);

	if (oSubMenu.style.display != "none") {
		DoClose(oSubMenu, no);
	} else {
		oSubMenu.style.display = "block";
		for (i = 0; i < 3; i++) {
			if (i != no) {
				var oSubMenu = document.getElementById("submenu" + i);
				DoClose(oSubMenu, i);
			}
		}
	}
}

function DoClose(oSubMenu, no) {
	oSubMenu.style.display = "none";
}

function CloseAll() {
	for (i = 0; i < 3; i++) {
		var oSubMenu = document.getElementById("submenu" + i);
		DoClose(oSubMenu, i);
	}
}