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 writeMenus(selectedMainItem) 
{

	if (!isDOM && !isIE4 && !isNS4) return;

	var leftPos=0;
	var  topPos=0;
	if (isDOM){ 
		var elem=document.getElementById('imgRules');
		leftPos=elem.offsetLeft;
		topPos=elem.offsetTop;
	}
	if (isIE4){ 
		var elem=document.all['imgRules'];
		leftPos=elem.offsetLeft;
		topPos=elem.offsetTop;
	}
	if (isNS4){ 
		var elem=document.layers['imgRules'];
		leftPos=elem.x;
		topPos=elem.y;
	}

	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;
		
		if(currMenu==0){itemX = itemX + leftPos; itemY = itemY + topPos;}
		// 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 + ')">';
			//alert('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.
		
			if(currMenu==0 && selectedMainItem!=null && currItem==selectedMainItem){
			str += '<table width="' + (w - 8) + '" border="0" cellspacing="0" cellpadding="' + (!isNS4 && borderClass ? 3 : 0) + '"><tr><td align="left" height="' + (h - 7) + '">' + '<a class="' + textClass + '" href="' + href + '"' + (frame ? ' target="' + frame + '">' : '>') + "<font color='#ff0000'>" + text + '</font></a></td>';
			}
			else {
			str += '<table width="' + (w - 8) + '" border="0" cellspacing="0" cellpadding="' + (!isNS4 && borderClass ? 3 : 0) + '"><tr><td align="left" 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;
		
		}//end for

		if (isDOM) 
		{
			var newDiv = document.createElement('div');
			//if (document.getElementsByTagName('body') == null) alert("body is null");
			//if (document.getElementsByTagName('body').item(0) == null) alert("body item is null");
			//alert(document.getElementsByTagName('body').length);
			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; 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];
		}
	
	}//end for

	with(menu[0][0]) 
	{
		ref.left = x;
		ref.top = y;
		ref.visibility = 'visible';
	}
} //end writeMenus

// Syntaxes: *** START EDITING HERE, READ THIS SECTION CAREFULLY! ***
//
// menu[menuNumber][0] = new Menu(Vertical menu? (true/false), 'popout indicator', left, top,
// width, 'mouseover colour', 'background colour', 'border stylesheet', 'text stylesheet');
//
// Left and Top are measured on-the-fly relative to the top-left corner of its trigger, or
// for the root menu, the top-left corner of the page.
//
// menu[menuNumber][itemNumber] = new Item('Text', 'URL', 'target frame', length of menu item,
//  additional spacing to next menu item, number of target menu to popout);
//
// If no target menu (popout) is desired, set it to 0. Likewise, if your site does not use
// frames, pass an empty string as a frame target.
//
// Something that needs explaining - the Vertical Menu setup. You can see most menus below
// are 'true', that is they are vertical, except for the first root menu. The 'length' and
// 'width' of an item depends on its orientation -- length is how long the item runs for in
// the direction of the menu, and width is the lateral dimension of the menu. Just look at
// the examples and tweak the numbers, they'll make sense eventually :).

var menu = new Array();

// Default colours passed to most menu constructors (just passed to functions, not
// a global variable - makes things easier to change later in bulk).
var defOver = '#FcFcFc', defBack = '#F0F0F0';
var defSubOver = '#FcFcFc', defSubBack='#e5e5e5';
var defSub2Over = '#FcFcFc', defSub2Back='#dfdfdf';

// Default 'length' of menu items - item height if menu is vertical, width if horizontal.
var defLength = 22;

// Menu 0 is the special, 'root' menu from which everything else arises.
menu[0] = new Array();
// A non-vertical menu with a few different colours and no popout indicator, as an example.
// *** MOVE ROOT MENU AROUND HERE ***  it's positioned at (5, 0) and is 17px high now.
menu[0][0] = new Menu(false, '', 180, 233, 16, defOver, defBack, 'itemBorderMain', 'itemText');
// Notice how the targets are all set to nonzero values...
// Most of the links are set to '#' hashes, make sure you change them to actual files.
//Item ( TEXT, LINK, FRAME, WIDTH OF MENU, SPACING BTW ITEMS, SUB MENU NUMBER)
menu[0][1] = new Item('', '', '', 0, 0, 0);
menu[0][2] = new Item('Home', 'index.htm', '', 50, 10, 2);
menu[0][3] = new Item('Products', 'ProductsMain.htm', '', 71, 10, 3);
menu[0][4] = new Item('Services', 'Services.htm', '', 66, 10, 8);
menu[0][5] = new Item('News/Events', 'News.htm', '', 92, 10, 10);
menu[0][6] = new Item('Info&nbsp;Request', 'info_request.aspx', '', 93, 10, 0);

// File menu.
menu[1] = new Array();

// The File menu is positioned 0px across and 22 down from its trigger, and is 80 wide.
// All text in this menu has the stylesheet class 'item' -- see the <style> section above.
// We've passed a 'greater-than' sign '>' as a popout indicator. Try an image...?
menu[1][0] = new Menu(true, '>', 0, 23, 80, defOver, defBack, 'itemBorder', '');
/*menu[1][1] = new Item('Open', '#', '', defLength, 0, 0);
menu[1][2] = new Item('Save', '#', '', defLength, 0, 0);
// Non-zero target means this will trigger a popout -- menu[4] which is the 'Reopen' menu.
menu[1][3] = new Item('Reopen', '#', '', defLength, 0, 4);
menu[1][4] = new Item('Exit', '#', '', defLength, 0, 0);
*/
// Solutions menu.
menu[2] = new Array();
menu[2][0] = new Menu(true, '>', 0, 23, 150, defSubOver, defSubBack, 'itemBorderSub', '');



// Products menu
menu[3] = new Array();
menu[3][0] = new Menu(true, '<img src=images/next1.gif>', 0, 23, 190, defSubOver, defSubBack, 'itemBorderSub', '');
menu[3][1] = new Item('Map-Centric<sup>TM</sup> Call Handling', 'CallHandling.htm', '', defLength, 0, 4);
menu[3][2] = new Item('Mapped ALI/Mobile Map', 'MappedALI.htm', '', defLength, 0, 5);
menu[3][3] = new Item('ALI DBMS', 'ALIDBMS.htm', '', defLength, 0, 6);
menu[3][4] = new Item('GIS DBMS', 'GISDBMS.htm', '', defLength, 0, 7);
menu[3][5] = new Item('ESInet Solutions', 'ESInetSolutions.htm', '', defLength, 0, 12);
menu[3][6] = new Item('List: All Products & Extensions', 'AllProducts-Ext-Svs.htm', '', defLength, 0, 13);
menu[3][7] = new Item('Introduction to X-Solution', 'ProductsMain.htm#XSolution', '', defLength, 0, 13);


// Map Centric Call Handling menu
menu[4] = new Array();
menu[4][0] = new Menu(true, '>', 175, 0, 130, defSub2Over, defSub2Back, 'itemBorderSub2', '');
menu[4][1] = new Item('xT911', 'xT911.htm', '', defLength, 0, 0);
menu[4][2] = new Item('xSwitch', 'xSwitch.htm', '', defLength, 0, 0);



//MAPPED ALI Menu
menu[5] = new Array();
menu[5][0] = new Menu(true, '<', 175, 0, 130, defSub2Over, defSub2Back, 'itemBorderSub2', '');
menu[5][1] = new Item('xTrakker', 'xTrakker.htm', '', defLength, 0, 0);
menu[5][2] = new Item('AT-Mobile', 'ATMobile.htm', '', defLength, 0, 0);



//ALI Database Menu
menu[6] = new Array();
menu[6][0] = new Menu(true, '<', 175, 0, 130, defSub2Over, defSub2Back, 'itemBorderSub2', '');
menu[6][1] = new Item('xALI DBMS', 'xALIDBMS.htm', '', defLength, 0, 0);
menu[6][2] = new Item('xALI Local', 'xALILocal.htm', '', defLength, 0, 0);


//GIS DAta Maintenance Menu
menu[7] = new Array();
menu[7][0] = new Menu(true, '<', 175, 0, 130, defSub2Over, defSub2Back, 'itemBorderSub2', '');
menu[7][1] = new Item('x9GIS', 'x9GIS.htm', '', defLength, 0, 0);
menu[7][2] = new Item('x9Collector', 'x9Collector.htm', '', defLength, 0, 0);


// Services menu
menu[8] = new Array();
menu[8][0] = new Menu(true, '<', 0, 23, 125, defSubOver, defSubBack, 'itemBorderSub', '');
menu[8][1] = new Item('GIS Service Bureau', 'GISDatabaseServices.htm', '', defLength, 0, 0);
menu[8][2] = new Item('ALI Service Bureau', 'ALIDatabaseServices.htm', '', defLength, 0, 0);
menu[8][3] = new Item('Technical Support', 'TechSupport.htm', '', defLength, 0, 0);


// Business Partners
menu[9] = new Array();
menu[9][0] = new Menu(true, '>', 0, 23, 80, defSubOver, defSubBack, 'itemBorderSub', '');
menu[9][1] = new Item('Login', 'BusinessPartners.htm', '', defLength, 0, 0);

// News Events
menu[10] = new Array();
menu[10][0] = new Menu(true, '>', 0, 23, 144, defSubOver, defSubBack, 'itemBorderSub', '');
menu[10][1] = new Item('In the News', 'News.htm', '', defLength, 0, 0);
menu[10][2] = new Item('Press Releases', 'PressReleases.htm', '', defLength, 0, 0);
menu[10][3] = new Item('Case Studies', 'CaseStudiesKPB.htm', '', defLength, 0, 0);
menu[10][4] = new Item('Newsletters', 'eNewsletters.htm', '', defLength, 0, 0);
menu[10][5] = new Item('Trade Shows', 'TradeShows.htm', '', defLength, 0, 0);
menu[10][6] = new Item('Service Bulletins', 'ServiceBulletins.htm', '', defLength, 0, 0);

// Info Request
menu[11] = new Array();
menu[11][0] = new Menu(true, '>', 0, 23, 100, defSubOver, defSubBack, 'itemBorderSub', '');


// ESInet Solutions
menu[12] = new Array();
menu[12][0] = new Menu(true, '>', 175, 0, 130, defSub2Over, defSub2Back, 'itemBorderSub2', '');
menu[12][1] = new Item('xLost Server', 'xLoSTServer.htm', '', defLength, 0, 0);
menu[12][2] = new Item('xSR', 'xSR.htm', '', defLength, 0, 0);

// All Products-Extensions
menu[13] = new Array();
menu[13][0] = new Menu(true, '>', 0, 23, 100, defSubOver, defSubBack, 'itemBorderSub', '');

// *** 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);
}