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);
	} 

	var popTimer = 0;

	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) 
	{
		itemArray = new Array(menu.length);

		while(1) 
		{
			itemArray[menuNum] = itemNum;
			if (menuNum == 0) return itemArray;
			itemNum = menu[menuNum][0].parentItem;
			menuNum = menu[menuNum][0].parentMenu;
		}
	}

	function changeCol(changeArray, isOver) 
	{
		for (menuCount = 0; menuCount < changeArray.length; menuCount++) 
		{
			if (changeArray[menuCount]) 
			{
				newCol = isOver ? menu[menuCount][0].overCol : menu[menuCount][0].backCol;
				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);
	}

	function Menu(isVert, popInd, x, y, width, overCol, backCol, borderClass, textClass) 
	{
		this.isVert = isVert;
		this.popInd = popInd
		this.x = x;
		this.y = y;
		this.width = width*1.25;
		this.overCol = overCol;
		this.backCol = backCol;
		this.borderClass = "BorderClass"//borderClass;
		this.textClass = "textClass";
		this.parentMenu = null;
		this.parentItem = null;
		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;
		this.ref = null;
	}

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

		for (currMenu = 0; currMenu < menu.length; currMenu++) with (menu[currMenu][0]) 
		{
			var str = '', itemX = 0, itemY = 0;
			for (currItem = 1; currItem < menu[currMenu].length; currItem++) with (menu[currMenu][currItem]) 
			{
				var itemID = 'menu' + currMenu + 'item' + currItem;

				var w = (isVert ? width : length);
				var h = (isVert ? length : width);
				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 + '" ';
				str += 'onMouseOver="popOver(' + currMenu + ',' + currItem + ')" onMouseOut="popOut(' + currMenu + ',' + currItem + ')">';
				str += '<table  align="center" width="' + (w - 8) + '" border="0" cellspacing="0" cellpadding="' + (!isNS4 && borderClass ? 3 : 0) + '"><a href="' + href + '"' + (frame ? ' target="' + frame + '">' : '>') + '<td class="' + textClass + '" align="left" height="' + (h - 7) + '">' + text + '</td></a>';
				if (target > 0) 
				{
					menu[target][0].parentMenu = currMenu;
					menu[target][0].parentItem = currItem;
					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';
			}
			if (isIE4) 
			{
				document.body.insertAdjacentHTML('beforeEnd', '<div id="menu' + currMenu + 'div" ' + 'style="position: absolute; visibility: hidden">' + str + '</div>');
				ref = getSty('menu' + currMenu + 'div');
			}
			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';
	   }
	}

	var menu = new Array();

	var defOver = '#336699', defBack = '#003366';
	var defLength = 35;
	menu[0] = new Array();
	menu[0][0] = new Menu(false, '', 50, 0, 17, 'SteelBlue', 'Darkblue', '', 'itemText');
	menu[0][1] = new Item('Home', 'index.html', '', 160, 0, 0);
	menu[0][2] = new Item('Services + Products', 'ServProd.html', '', 160, 0, 0);
	menu[0][3] = new Item('Careers', 'Careers.html', '', 160, 0, 0);
	menu[0][4] = new Item('Others', 'Others.html', '', 160, 0, 0);
	menu[0][5] = new Item('About Us', 'AboutUs.html', '', 160, 0, 0);
/*
	menu[1] = new Array();
	menu[1][0] = new Menu(true, '>', 0, 22, 88, defOver, defBack, 'itemBorder', 'itemText');
	menu[1][1] = new Item('Profile', 'Profile.asp', '', defLength, -10, 0);
	menu[1][2] = new Item('Mission', 'Mission.asp', '', defLength, -10, 0);
	menu[1][3] = new Item('Our Team', 'OurTeam.asp', '', defLength, -10, 0);
	menu[1][4] = new Item('Methodology', 'Method.asp', '', defLength, -10, 0);

	menu[2] = new Array();
	menu[2][0] = new Menu(true, '>', 0, 22, 137, defOver, defBack, 'itemBorder', 'itemText');
	menu[2][1] = new Item('Backend + System', 'Services.asp?division=Div1', '', defLength, -10, 0);
	menu[2][2] = new Item('Desktop', 'Services.asp?division=Div2', '', defLength, -10, 0);
	menu[2][3] = new Item('Web', 'Services.asp?division=Div3', '', defLength, -10, 0);
	menu[2][4] = new Item('DiamondBlue', 'Services.asp?division=Div4', '', defLength, -10, 0);
	menu[2][5] = new Item('Online Demo', 'ExamAdmin.htm', '', defLength, -10, 0);

	menu[3] = new Array();
	menu[3][0] = new Menu(true, '<', 0, 22, 100, defOver, defBack, 'itemBorder', 'itemText');
	menu[3][1] = new Item('Code Evolution', 'Alliances.asp?division=Div1', '', defLength, -10, 0);
	menu[3][2] = new Item('Object Evolution', 'Alliances.asp?division=Div2', '', defLength, -10, 0);
	menu[3][3] = new Item('Server 1 (HK)', 'Alliances.asp?division=Div3', '', defLength, -10, 0);
	menu[3][4] = new Item('Whitelabel', 'Alliances.asp?division=Div4', '', defLength, -10, 0);
*/
	var popOldWidth = window.innerWidth;
	nsResizeHandler = new Function('if (popOldWidth != window.innerWidth) location.reload()');


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

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


	function moveRoot()
	{
		 with(menu[0][0].ref) left = ((parseInt(left) < 100) ? 100 : 7);
	}