var shownSubMenu = null;
	var shownSubMenuId = null;
	var minusElement = null;
	
	function showSubMenu(subMenuId, plusElementId) {
		var showTheMenu = true;
		var menu = document.getElementById(subMenuId);
		
		if (shownSubMenu != null && menu != null && menu == shownSubMenu) {
			showTheMenu = false;
		}
		//if we are currently showing one, then hide it
		//alert("Got here ");
		hideSubMenu();
		
		if (showTheMenu == true) {
			//alert("Got here ");
			var menu = document.getElementById(subMenuId);
			//var browser=navigator.appName;
			//alert(browser + "\n" + menu);
			menu.style.display = "block";
			
			shownSubMenu = menu;
			shownSubMenuId = subMenuId;
		
			var plusElement = document.getElementById(plusElementId);
			if (plusElement != null) {
				plusElement.src="images/minus.gif";
				minusElement = plusElement;
			}
		}
	}
	
	function hideSubMenu() {
		if (shownSubMenu != null) {
				shownSubMenu.style.display="none";
				shownSubMenu = null;
				shownSubMenuId = null;
		}
		if (minusElement != null) {
			minusElement.src="images/plus.gif";
			minusElement = null;
		}
			
	}
	
	function mouseOver(element, anchorId) {
		element.style.cursor = "pointer";
		element.style.color = "#252EDB";
		//element.style.backgroundImage = "url(./images/navBG2_hover.gif)";
		var anchorElement = document.getElementById(anchorId);
		if (anchorElement != null) {
			anchorElement.style.color = "#252EDB";
			
		}
	}
	function mouseOut(element, anchorId) {
		element.style.cursor = "auto";
		element.style.color = "black";
		//element.style.backgroundImage = "url(./images/navBG2.gif)";
		var anchorElement = document.getElementById(anchorId);
		if (anchorElement != null) {
			anchorElement.style.color = "black";
		}
	}
	
	function navigateTo(urlToGoTo) {
		location.href = urlToGoTo;
	}