function mainmenu() {
	subMenu("about-menu", "about");
	subMenu("ldc-menu", "ldc");
	subMenu("qrt-menu", "qrt");
	subMenu("tech-menu", "tech");
	subMenu("stats-menu", "stats");
	subMenu("support-menu", "support");
	if (document.getElementById("admin-page") != null) {
		subMenu("admin-menu", "admin");
	}

	if (document.getElementById("about-page") == null) 
		document.getElementById("about-menu").style.display = "none";
	if (document.getElementById("ldc-page") == null)
		document.getElementById("ldc-menu").style.display = "none";
	if (document.getElementById("qrt-page") == null)
		document.getElementById("qrt-menu").style.display = "none";
	if (document.getElementById("tech-page") == null)
		document.getElementById("tech-menu").style.display = "none";
	if (document.getElementById("stats-page") == null)
		document.getElementById("stats-menu").style.display = "none";
	if (document.getElementById("support-page") == null)
		document.getElementById("support-menu").style.display = "none";
	if (document.getElementById("admin-page") != null) {
		if (document.getElementById("admin-page") == null)
			document.getElementById("admin-menu").style.display = "none";
	}
}

if (!document.getElementById)
    document.getElementById = function() { return null; };

	function subMenu(menuId, actuatorId) {
	    var menu = document.getElementById(menuId);
	    var actuator = document.getElementById(actuatorId);
	
	    actuator.onclick = function() {	
			if ( menu.style.display == "none") {
				menu.style.display = "block";
				}
			else {
				menu.style.display = "none";
				}
			}
		}