function getRef(id) {
	return document.all[id];
}
function getSty(id) {
	return 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) {
		backCol="";
	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) {
	// add by hxf 060623
	backCol="";
	
	// 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() {
	backCol="";
	var strClass=""
	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;
		var startleft=window.menuzone.offsetLeft;
		var starttop=window.menuzone.offsetTop;
		// 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 (currMenu==0) {
			var strtemp=menu[0][currItem].text;
			strClass =strClass+"'"+menu[0][currItem].target+"',";
			w=(strtemp.length)*13;
			h=20;
			str += '<div id="' + itemID + '" style="position: absolute; left: ' + (startleft+itemX) + '; top: ' + (starttop+itemY) + '; width: ' + w + '; height: ' + h + '; visibility: inherit; ';
		}
		else
		{
			var strindexclass="'"+currMenu+"'";
				if (strClass.indexOf(strindexclass)>0)
					{
					str += '<div id="' + itemID + '" style="position: absolute; left: ' + (itemX - 0)  + '; top: ' + itemY + '; width: ' + w + '; height: ' + h + '; visibility: inherit; ';
					}
				else
					{
					str += '<div id="' + itemID + '" style="position: absolute; left: ' + itemX + 2  + '; top: ' + itemY + '; width: ' + w + '; height: ' + h + '; visibility: inherit; ';
					}
		}
		if (backCol) str += 'background: ' + backCol + '; ';
		str += '" ';
		
		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.
		if (currMenu==0){
		str += '<table align="center" class="menu" style="border:0px" width="' + (w-8) + '" border="0" cellspacing="0" cellpadding="' +  "0"  + '"><tr><td nowrap align="center" height="' + (h - 7) + '">';
		str +='<div align="center"> ';
		str += '<a class="' + textClass + '" href="' + href + '"' + (frame ? ' target="' + frame + '">' : '>') + text + '</a>';
		if (currItem!=menu[currMenu].length - 1) str +='      |';
		str +='</div> ';
		
		}
		else
		{
		str += '<table align="center" class="menu2" width="' + w + '" border="0" cellspacing="0" cellpadding="' +  "0"  + '"><tr><td nowrap align="left" height="' + (h - 7) + '">';
		str += '<a class="' + textClass + '" href="' + href + '"' + (frame ? ' target="' + frame + '">' : '>') + text + '</a>';
		}
		
		
		str +='</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 ;
		str += '<td  align="right"><span style="font-family:Marlett;font-weight:normal">' + 4 ;
		str += '</span></td>'
		}
		}
		str += '</tr></table>';
		
		str +=  '</div>';
		if (isVert) itemY += length + spacing;
		else itemX += w+20 + spacing;
		}
		
		// Insert a div tag to the end of the BODY with menu HTML in place for IE4.
		
		document.body.insertAdjacentHTML('afterBegin', '<div id="menu' + currMenu + 'div" ' + 'style="position: absolute; visibility: hidden">' + str + '</div>');
		ref = getSty('menu' + currMenu + 'div');
		
		
		for (currItem = 1; currItem < menu[currMenu].length; currItem++) {
			itemName = 'menu' + currMenu + 'item' + currItem;
			menu[currMenu][currItem].ref = getSty(itemName);
		   }
		}
		with(menu[0][0]) {
			ref.left = x;
			ref.top = y;
			ref.visibility = 'visible';
	   }
}

function refresh()	
{

	for (var currMenu = 0; currMenu < menu.length; currMenu++) with (menu[currMenu][0]) {
	var itemX = 0, itemY = 0;
	var startleft=window.menuzone.offsetLeft;
	var starttop=window.menuzone.offsetTop;
	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 (currMenu==0)
		{
			var strtemp=menu[0][currItem].text;
			var strClass =strClass+"'"+menu[0][currItem].target+"',";
			w=(strtemp.length)*13;
			h=20;
			document.all.tags("DIV").item(itemID).style.left=startleft+itemX;
		}
		else
		{
			var strindexclass="'"+currMenu+"'";
			if (strClass.indexOf(strindexclass)>0)
			{
				
				document.all.tags("DIV").item(itemID).style.left=itemX-0;
			}
			else
			{
				document.all.tags("DIV").item(itemID).style.left=itemX+2;
			}
		}

	if (isVert) itemY += length + spacing;
	else itemX += w+20 + spacing;
	}

// Insert a div tag to the end of the BODY with menu HTML in place for IE4.


	for (currItem = 1; currItem < menu[currMenu].length; currItem++)
	{
		itemName = 'menu' + currMenu + 'item' + currItem;
		menu[currMenu][currItem].ref = getSty(itemName);
   }
}
	with(menu[0][0])
	{
	ref.left = x;
	ref.top = y;
	ref.visibility = 'visible';
	}
	
}

	window.onresize=refresh;