if (!document.getElementById) 
{
	document.getElementById = function() { return null; }
}
function initializeMenu(menuId, actuatorId) 
{
	var menu = document.getElementById(menuId);
	var actuator = document.getElementById(actuatorId);
	if (menu == null || actuator == null) 
		return;
	actuator.onclick = function() 
	{
		var display = menu.style.display;
		menu.style.display = (display == "block") ? "none" : "block";
		return false;
	}
}
window.onload = function() {
	initializeMenu("utkeyMenu", "utkeyActuator");
	initializeMenu("utdoctorMenu", "utdoctorActuator");
	initializeMenu("radioMenu", "radioActuator");
	initializeMenu("tvMenu", "tvActuator");
	initializeMenu("toolMenu", "toolActuator");
}