//Vertical Menu Script 3.00 May 2011 Copyright HowesComms 2009-2011

function navRoll(theId) {
	var itemRef = document.getElementById(theId);
	if (itemRef) {
		itemRef.style.background = "#090";
	}
}
function navRollOut(theId) {
	var itemRef = document.getElementById(theId);
	if (itemRef) {
		itemRef.style.background = "#060";
	}
}

var navItemID = "";

var thecookies = document.cookie;
var position = thecookies.indexOf("navid=");
if (position != -1) {
	var start = position + 6;
	var end = start + 1;
	var theId = thecookies.substring(start, end);
	if (theId) {
		showMenu(theId);
	}
}

function showMenu(theId) {
	if (theId == navItemID) {
		clearMenu();
	} else {
		if (navItemID) {
			clearMenu();
		}
		var itemId = "nav" + theId;
		var itemRef = document.getElementById(itemId);
		if (itemRef) {
			itemRef.style.display = "block";
			itemRef.style.background = "#090";
			highlight(theId);
			navItemID = theId;
			document.cookie = "navid=" + theId;
		}
	}
}

function clearMenu() {
	var itemId = "nav" + navItemID;
	var itemRef = document.getElementById(itemId);
	if (itemRef) {
		itemRef.style.display = "none";
		itemId = "menuhead" + navItemID;
		itemRef = document.getElementById(itemId);
		itemRef.style.background = "#060";
		itemId = "mhead" + navItemID;
		itemRef = document.getElementById(itemId);
		itemRef.style.color = "#fff";
		navItemID = "";
		document.cookie = "navid=";
	}
}

function highlight(theId) {
	var itemId = "menuhead" + theId;
	var itemRef = document.getElementById(itemId);
	itemRef.style.background = "#090";
	itemId = "mhead" + theId;
	itemRef = document.getElementById(itemId);
	itemRef.style.color = "#ff0";
}

function lowlight(theId) {
	if (navItemID != theId) {
		var itemId = "menuhead" + theId;
		var itemRef = document.getElementById(itemId);
		itemRef.style.background = "#060";
		itemId = "mhead" + theId;
		itemRef = document.getElementById(itemId);
		itemRef.style.color = "#fff";
	}
}