function showMenu(menuID)
{
	var menu = document.getElementById(menuID);
	menu.style.visibility = 'visible';
	//eval("clearTimeout(window.timerID" + menuID + ");");
}

function hideMenu(menuID)
{
	menu = document.getElementById(menuID);
	menu.style.visibility = 'hidden';
	//eval("window.timerID" + menuID + " = setTimeout(\"window.menu.style.visibility = 'hidden';\", 500);");
}