<!-- Original:  Angus Turnbull -->
<!-- Web Site:  http://gusnz.cjb.net -->

<!-- This script and many more are available free online at -->
<!-- The JavaScript Source!! http://javascript.internet.com -->

<!-- Begin

var isDOM = (document.getElementById ? true : false); 
var isIE4 = ((document.all && !isDOM) ? true : false);
var isNS4 = (document.layers ? true : false);

function getRef(id) 
{
	if (isDOM) return document.getElementById(id);
	if (isIE4) return document.all[id];
	if (isNS4) return document.layers[id];
}

function getSty(id) 	
{
	return (isNS4 ? getRef(id) : getRef(id).style);
} 


// Hide timeout.
var popTimer = 0;

// Array showing highlighted menu items.
var litNow = new Array();

function popOver(menuNum, itemNum) 
{
	clearTimeout(popTimer);
	hideAllBut(menuNum);
	litNow = getTree(menuNum, itemNum);
	changeCol(litNow, true);
	targetNum = menu[menuNum][itemNum].target;

	if (targetNum > 0) 
	{
		thisX = parseInt(menu[menuNum][0].ref.left) + parseInt(menu[menuNum][itemNum].ref.left);
		thisY = parseInt(menu[menuNum][0].ref.top) + parseInt(menu[menuNum][itemNum].ref.top);

		with (menu[targetNum][0].ref) 
		{
			left = parseInt(thisX + menu[targetNum][0].x);
			top = parseInt(thisY + menu[targetNum][0].y);
			visibility = 'visible';
   		}
   	}
}

function popOut(menuNum, itemNum) 
{
	if ((menuNum == 0) && !menu[menuNum][itemNum].target)
		hideAllBut(0)
	else
		popTimer = setTimeout('hideAllBut(0)', 500);
}

function getTree(menuNum, itemNum) 
{

	// Array index is the menu number. The contents are null (if that menu is not a parent)
	// or the item number in that menu that is an ancestor (to light it up).
	itemArray = new Array(menu.length);

	while(1) 
	{
		itemArray[menuNum] = itemNum;
		
		// If we've reached the top of the hierarchy, return.
		if (menuNum == 0) return itemArray;
		
		itemNum = menu[menuNum][0].parentItem;
		menuNum = menu[menuNum][0].parentMenu;
 	}
}

// Pass an array and a boolean to specify colour change, true = over colour.
function changeCol(changeArray, isOver) 
{
	for (menuCount = 0; menuCount < changeArray.length; menuCount++) 
	{
		if (changeArray[menuCount]) 
		{
			newCol = isOver ? menu[menuCount][0].overCol : menu[menuCount][0].backCol;

			// Change the colours of the div/layer background.
			with (menu[menuCount][changeArray[menuCount]].ref) 
			{
				if (isNS4) bgColor = newCol;
				else backgroundColor = newCol;
         		}
      		}
   	}
}

function hideAllBut(menuNum) 
{
	var keepMenus = getTree(menuNum, 1);
	
	for (count = 0; count < menu.length; count++)
		if (!keepMenus[count])
			menu[count][0].ref.visibility = 'hidden';
	
	changeCol(litNow, false);
}

// *** MENU CONSTRUCTION FUNCTIONS ***

function Menu(isVert, popInd, x, y, width, overCol, backCol, borderClass, textClass) 
{
	// True or false - a vertical menu?
	this.isVert = isVert;

	// The popout indicator used (if any) for this menu.
	this.popInd = popInd

	// Position and size settings.
	this.x = x;
	this.y = y;
	this.width = width;

	// Colours of menu and items.
	this.overCol = overCol;
	this.backCol = backCol;

	// The stylesheet class used for item borders and the text within items.
	this.borderClass = borderClass;
	this.textClass = textClass;
	

	// Parent menu and item numbers, indexed later.
	this.parentMenu = null;
	this.parentItem = null;

	// Reference to the object's style properties (set later).
	this.ref = null;
}

function Item(text, href, frame, length, spacing, target) 
{
	this.text = text;
	this.href = "../" + href;
	this.frame = frame;
	this.length = length;
	this.spacing = spacing;
	this.target = target;

	// Reference to the object's style properties (set later).
	this.ref = null;
}

function ItemNo(text, href, frame, length, spacing, target) 
{
	this.text = text;
	this.href = href;
	this.frame = frame;
	this.length = length;
	this.spacing = spacing;
	this.target = target;

	// Reference to the object's style properties (set later).
	this.ref = null;
}

function writeMenus() 
{
	if (!isDOM && !isIE4 && !isNS4) return;

	for (currMenu = 0; currMenu < menu.length; currMenu++) with (menu[currMenu][0]) 
	{
		// Variable for holding HTML for items and positions of next item.
		var str = '', itemX = 0, itemY = 0;

		// Remember, items start from 1 in the array (0 is menu object itself, above).
		// Also use properties of each item nested in the other with() for construction.
		for (currItem = 1; currItem < menu[currMenu].length; currItem++) with (menu[currMenu][currItem]) 
		{
			var itemID = 'menu' + currMenu + 'item' + currItem;

			// The width and height of the menu item - dependent on orientation!
			var w = (isVert ? width : length);
			var h = (isVert ? length : width);

			// Create a div or layer text string with appropriate styles/properties.
			// Thanks to Paul Maden (www.paulmaden.com) for helping debug this in IE4, apparently
			// the width must be a miniumum of 3 for it to work in that browser.
			if (isDOM || isIE4)
			{
				str += '<div id="' + itemID + '" style="position: absolute; left: ' + itemX + '; top: ' + itemY + '; width: ' + w + '; height: ' + h + '; visibility: inherit; ';
				if (backCol) str += 'background: ' + backCol + '; ';
				str += '" ';
			}


			if (isNS4) 
			{
				str += '<layer id="' + itemID + '" left="' + itemX + '" top="' + itemY + '" width="' +  w + '" height="' + h + '" visibility="inherit" ';

				if (backCol) str += 'bgcolor="' + backCol + '" ';
			}

			if (borderClass) str += 'class="' + borderClass + '" ';

			// Add mouseover handlers and finish div/layer.
			str += 'onMouseOver="popOver(' + currMenu + ',' + currItem + ')" onMouseOut="popOut(' + currMenu + ',' + currItem + ')">';

			// Add contents of item (default: table with link inside).
			// In IE/NS6+, add padding if there's a border to emulate NS4's layer padding.
			// If a target frame is specified, also add that to the <a> tag.

			str += '<table align="center" width="' + (w - 8) + '" border="0" cellspacing="0" cellpadding="' + (!isNS4 && borderClass ? 3 : 0) + '"><tr><td align="center" height="' + (h - 7) + '">' + '<a class="' + textClass + '" href="' + href + '"' + (frame ? ' target="' + frame + '">' : '>') + text + '</a></td>';
			
			if (target > 0) 
			{

				// Set target's parents to this menu item.
				menu[target][0].parentMenu = currMenu;
				menu[target][0].parentItem = currItem;

				// Add a popout indicator.

				if (popInd) str += '<td class="' + textClass + '" align="right">' + popInd + '</td>';
			}

			str += '</tr></table>' + (isNS4 ? '</layer>' : '</div>');

			if (isVert) itemY += length + spacing;
			else itemX += length + spacing;
		}

		if (isDOM) 
		{
			var newDiv = document.createElement('div');
			document.getElementsByTagName('body').item(0).appendChild(newDiv);
			newDiv.innerHTML = str;
			ref = newDiv.style;
			ref.position = 'absolute';
			ref.visibility = 'hidden';
		}

		// Insert a div tag to the end of the BODY with menu HTML in place for IE4.
		if (isIE4) 
		{
			document.body.insertAdjacentHTML('beforeEnd', '<div id="menu' + currMenu + 'div" ' + 'style="position: absolute; center; visibility: hidden">' + str + '</div>');
			ref = getSty('menu' + currMenu + 'div');
		}

		// In NS4, create a reference to a new layer and write the items to it.
		if (isNS4) 
		{
			ref = new Layer(0);
			ref.document.write(str);
			ref.document.close();
		}

		for (currItem = 1; currItem < menu[currMenu].length; currItem++) 
		{
			itemName = 'menu' + currMenu + 'item' + currItem;
			if (isDOM || isIE4) menu[currMenu][currItem].ref = getSty(itemName);

			if (isNS4) menu[currMenu][currItem].ref = ref.document[itemName];
   		}
	}
	with(menu[0][0]) 
	{
		ref.left = x;
		ref.top = y;
		ref.visibility = 'visible';
   }
}

//building the menus

var menu = new Array();

//navigation elements background colours
var roll='#660000';
var backColour='#800000';

//the height of the navigation element
var height = 20;  
 
//main menu
menu[0] = new Array();
menu[0][0] = new Menu(false, '', 6,69, 20, '#660000', '#800000', '', 'text');
menu[0][1] = new ItemNo('  Fire Prevention Home', 'index.php', '', 185, 2, 3);
menu[0][2] = new ItemNo('  Products', 'products.php?product=1', '', 123, 2, 1);
menu[0][3] = new ItemNo('  Services', 'services.php?services=1', '', 123, 2, 2);
menu[0][4] = new ItemNo('  Projects', '', '', 123, 2, 6);
menu[0][5] = new ItemNo('  Contact Us', 'contact.php?contact=1', '', 123, 2, 0);
menu[0][6] = new ItemNo('  Additional Links', 'links.php?links=1', '', 123, 2, 0);


//Products menus
menu[1] = new Array();
menu[1][0] = new Menu(true, '<IMG SRC="Images/menu_right.gif">', 0, 20, 150, roll, backColour, 'itemBorder', 'text');   
menu[1][1] = new ItemNo('Overview of Products & Services', 'products.php?product=1', '', 35, 0, 0);
menu[1][2] = new ItemNo('Fire Fighting Equipment & Supplies', 'products.php?product=2', '', 35, 0, 0);
menu[1][3] = new ItemNo('Fire Suppression Systems', 'products.php?product=3', '', 35, 0, 0);
menu[1][4] = new ItemNo('Fire Alarm Systems, Parts and Accessories', 'products.php?product=4', '', 35, 0, 0);
menu[1][5] = new ItemNo('Exit & Emergency Lighting and Accessories', 'products.php?product=5', '', 35, 0, 0);
menu[1][6] = new ItemNo('FPS Safety', 'products.php?product=6', '', height, 0, 5);
menu[1][7] = new ItemNo('Breathing Apparatus, Breating Air Compressors & Air', 'products.php?product=7', '', 50, 0, 0);
menu[1][8] = new ItemNo('Gasses and More', 'products.php?product=8', '', height, 0, 0);
menu[1][9] = new ItemNo('Gas Protection Equipment', 'products.php?product=9', '', 35, 0, 0);


//Services menus
menu[2] = new Array();
menu[2][0] = new Menu(true, '<IMG SRC="Images/menu_right.gif">', 0, 20, 150, roll, backColour, 'itemBorder', 'text');   
menu[2][1] = new ItemNo('Overview of Products & Services', 'services.php?services=1', '', 35, 0, 0);
menu[2][2] = new ItemNo('Recharging', 'services.php?services=2', '', height, 0, 0);
menu[2][3] = new ItemNo('Hydrostatic Testing', 'services.php?services=3', '', height, 0, 0);
menu[2][4] = new ItemNo('Inspection and Certification', 'services.php?services=4', '', 35, 0, 4);
menu[2][5] = new ItemNo('Testing', 'services.php?services=5', '', height, 0, 0);
menu[2][6] = new ItemNo('Training', 'services.php?services=6', '', height, 0, 0);
menu[2][7] = new ItemNo('Northern Fire Protection Maintenance Program', 'services.php?services=7', '', 35, 0, 0);


//Northern Fire Prevention Maintenance Program
menu[3] = new Array();
menu[3][0] = new Menu(true, '<', 0, 20, 150, roll, backColour, 'itemBorder', 'text');
menu[3][1] = new ItemNo('About Fire Prevention', 'about.php?about=1', '', height, 0, 0);
menu[3][2] = new ItemNo('Qualifications', 'qualifications.php?qual=1', '', height, 0, 0);
menu[3][3] = new ItemNo('Northern Fire Prevention Maintenance Program', 'services.php?services=7', '', 35, 0, 0);

//Services - FPS Safety
menu[4] = new Array();
menu[4][0] = new Menu(true, '', 150, 0, 150, roll, backColour, 'itemBorder', 'text');
menu[4][1] = new ItemNo('Fire Extinguishers & Fire Hoses', 'services.php?services=4a', '', 35, 0, 0);
menu[4][2] = new ItemNo('Safety Items', 'services.php?services=4b', '', height, 0, 0);
menu[4][3] = new ItemNo('Fire Alarm Systems', 'services.php?services=4c', '', height, 0, 0);
menu[4][4] = new ItemNo('FPS Sprinklers', 'services.php?services=4d', '', height, 0, 0);
menu[4][5] = new ItemNo('Kitchen Fire Suppression Systems', 'services.php?services=4e', '', 35, 0, 0);
menu[4][6] = new ItemNo('Industrial Fire Suppression Systems', 'services.php?services=4f', '', 35, 0, 0);
menu[4][7] = new ItemNo('Room Integrity Testing', 'services.php?services=4g', '', height, 0, 0);

//Catalogue - Products
menu[5] = new Array();
menu[5][0] = new Menu(true, '<', 150, 0, 150, roll, backColour, 'itemBorder', 'text');
menu[5][1] = new ItemNo('Scrubs Uniform Catalogue', 'docs/scrubs.pdf', '', 35, 0, 0);
menu[5][2] = new ItemNo('Fire/EMS Uniform Catalogue', 'docs/EMS.pdf', '', 35, 0, 0);


//Services - FPS Safety
menu[6] = new Array();
menu[6][0] = new Menu(true, '', 0, 20, 150, roll, backColour, 'itemBorder', 'text');
menu[6][1] = new ItemNo('Halon Fire Suppression System', 'projects.php?projects=1', '', 35, 0, 0);
menu[6][2] = new ItemNo('Fire Alarms', 'projects.php?projects=2', '', height, 0, 0);
menu[6][3] = new ItemNo('Extinguishers', 'projects.php?projects=3', '', height, 0, 0);
menu[6][4] = new ItemNo('Overhaul Fire Suppression Systems', 'projects.php?projects=4', '', 35, 0, 0);
menu[6][5] = new ItemNo('Kitchen Suppression Systems', 'projects.php?projects=5', '', 35, 0, 0);
menu[6][6] = new ItemNo('Sprinkler Piping', 'projects.php?projects=6', '', height, 0, 0);
menu[6][7] = new ItemNo('Training', 'projects.php?projects=7', '', height, 0, 0);


// *** OPTIONAL CODE FROM HERE DOWN ***

// These two lines handle the window resize bug in NS4. See <body onResize="...">.
// I recommend you leave this here as otherwise when you resize NS4's width menus are hidden.

var popOldWidth = window.innerWidth;
nsResizeHandler = new Function('if (popOldWidth != window.innerWidth) location.reload()');


// This is a quick snippet that captures all clicks on the document and hides the menus
// every time you click. Use if you want.

if (isNS4) document.captureEvents(Event.CLICK);
document.onclick = clickHandle;

function clickHandle(evt)
{
 if (isNS4) document.routeEvent(evt);
 hideAllBut(0);
}


// This is just the moving command for the example.

function moveRoot()
{
 with(menu[0][0].ref) left = ((parseInt(left) < 100) ? 100 : 5);
}