var currentMenu = null;
		
		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.onmouseover = function() {
				//alert(actuatorId);
				if (currentMenu) {
					currentMenu.style.visibility = "hidden";
				this.showMenu();
				}
			}
		  
			actuator.onmouseover = function() {
				if (currentMenu == null) {
					//alert(currentMenu);
					this.showMenu();
				}
				else {
					currentMenu.style.visibility = "hidden";
					currentMenu = null;
				}
		
				return false;
			}
		
			actuator.showMenu = function() {
			
				menu.style.visibility = "visible";
				currentMenu = menu;
			}
		menu.style.visibility = "hidden";
		}

		// added from navigation include
		sfHover = function() {
			var sfEls = document.getElementById("nav").getElementsByTagName("LI");
			for (var i=0; i<sfEls.length; i++) {
				sfEls[i].onmouseover=function() {
					this.className+=" sfhover";
				}
				sfEls[i].onmouseout=function() {
					this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
				}
			}
		}
		if (window.attachEvent) window.attachEvent("onload", sfHover);
		// end of added from navigation include

        window.onload = function() {
            initializeMenu("aboutMenu", "aboutActuator");
            initializeMenu("focusMenu", "focusActuator");
            initializeMenu("productMenu", "productActuator");
            initializeMenu("partnerMenu", "partnerActuator");
            initializeMenu("communicationsMenu", "communicationsActuator");
        }