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, menuNum);
	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, intMenuNum)
{
	for (menuCount = 0; menuCount < changeArray.length; menuCount++)
	{
		if (changeArray[menuCount])
		{
			if (!isOver)
				//newCol = menu[menuCount][0].overCol;
				newCol = GetColor(menuCount);
			else
				newCol = 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, menuNum);
}

// *** 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, image)
{
	this.text = text;
	this.href = href;
	this.frame = "_self"; //frame;
	this.length = length;
	this.spacing = spacing;
	this.target = target;
	// Image
	this.image = image;

	// 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 = 2;
		
		// 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.
			// 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)
				{
					// if currMenu = 0 => topmost menu change backcolor into pagecolor because of the image //
					if (currMenu == 0)
						str += 'background: ' + defPageColor + '; ';
					else
						str += 'background: ' + GetColor(currMenu) + '; ';
				}
				str += '" ';
			}
			if (isNS4)
			{
				str += '<layer id="' + itemID + '" left="' + itemX + '" top="' + itemY + '" width="' +  w + '" height="' + h + '" visibility="inherit" ';
				if (backCol)
				{
					// if currMenu = 0 => topmost menu change backcolor into pagecolor because of the image //
					if (currMenu == 0)	
						str += 'bgcolor="' + defPageColor + '" ' ;
					else
						str += 'bgcolor="' + GetColor(currMenu) + '" ';
				}
			}
			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 an image is assigned, create string with image, else create string with text //
			if (image)
			{
				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 + '">' : '>') + ' <img border="0" src="' + image + '" width=' + (w - 8) + ' height=' + (h - 7) + '></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"><FONT color=#333>' + popInd + '</FONT></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; 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';
	}
}

function GetColor(intMenuItem)
{
	var myBackColor;
	MyBackColor = '#FFFFFF';	
	return MyBackColor;
}


var menu = new Array();
var TheTime = new Date();

// 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 = '#FFFFFF', defBack = '#FFFFFF', defPageColor = '#FFFFFF';

// 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.
//(Vertical menu? (true/false), 'popout indicator', left, top,
// width, 'mouseover colour', 'background colour', 'border stylesheet', 'text stylesheet');
menu[0][0] = new Menu(false, '', 390, 102, 15, '#333', '', '', 'TitleText');
// menu[0][0] = new Menu(false, '', 5,48, 68, '#FFFFFF', '#FFFFFF', '', 'itemText');
// Notice how the targets are all set to nonzero values...
// The 'length' of each of these items is 40, and there is spacing of 10 to the next item.
// Most of the links are set to '#' hashes, make sure you change them to actual files.
menu[0][1] = new Item('Welkom'		, 'index.php'			, 'text', 55, 24, 1, '');
menu[0][2] = new Item('Gebouwen'	, 'index.php?item=1'	, 'text', 65, 24, 2, '');
menu[0][3] = new Item('Diversen'	, 'index.php?item=2'	, 'text', 60, 24, 3, '');
menu[0][4] = new Item('Agenda'		, 'agenda.php'	 		, 'text', 80, 24, 4, '');
menu[0][5] = new Item('Berichten'   	, 'mail.php'	, 'text', 60, 24, 5, '');


// Menu Welkom
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, 22, 80, defOver, defBack, 'itemBorder', 'itemText');
menu[1][0] = new Menu(true, '>', 0, 20, 160, defOver, defBack, 'itemBorder', 'itemText');
menu[1][1] = new Item('Wie zijn wij', 'index.php?cat=Algemeen', 'text', defLength, 0, 0);
menu[1][2] = new Item('Organisatie', 'index.php?cat=Organisatie', 'text', defLength, 0, 0);
menu[1][3] = new Item('Pastoraat', 'index.php?cat=Pastoraat', 'text', defLength, 0, 0);
menu[1][4] = new Item('Diaconaat', 'index.php?cat=Diakonie', 'text', defLength, 0, 0);
menu[1][5] = new Item('Kerkrentmeesters', 'index.php?cat=Kerkrentmeesters', 'text', defLength, 0, 0);
menu[1][6] = new Item('Jeugd en jongeren', 'index.php?cat=jenj', 'text', defLength, 0, 0);
menu[1][7] = new Item('Nieuws van de jeugd', 'index.php?cat=jeugd', 'text', defLength, 0, 0);
menu[1][8] = new Item('Vorming en toerusting', 'index.php?cat=vent', 'text', defLength, 0, 0);
menu[1][9] = new Item('Catechese', 'index.php?cat=catech', 'text', defLength, 0, 0);
menu[1][10] = new Item('Icoon', 'index.php?cat=icoon', 'text', defLength, 0, 0);



// Menu gebouwen
menu[2] = new Array();
menu[2][0] = new Menu(true, '', 0, 20, 120, defOver, defBack, 'itemBorder', 'itemText');
menu[2][1] = new Item('De Geerteskerk'	, 'index.php?cat=kerk', 'text', defLength, 0, 0);
menu[2][2] = new Item('Orgel'			, 'index.php?cat=orgel', 'text', defLength, 0, 0);
menu[2][3] = new Item('Kerk Open'			, 'index.php?cat=openkerk', 'text', defLength, 0, 0);
menu[2][4] = new Item('Stichting'	, 'index.php?cat=stichting', 'text', defLength, 0, 0);



// Menu diversen
menu[3] = new Array();
menu[3][0] = new Menu(true, '', 0, 20, 160, defOver, defBack, 'itemBorder', 'itemText');
menu[3][1] = new Item('Fotoalbum', 'index.php?cat=fotoalbum', 'text', defLength, 0, 0);
menu[3][2] = new Item('Nieuwsbrief', 'index.php?cat=nieuwsbrief', 'text', defLength, 0, 0);
menu[3][3] = new Item('Overige', 'index.php?cat=overig', 'text', defLength, 0, 0);
menu[3][4] = new Item('Bijbelleesrooster', 'index.php?cat=bijbel', 'text', defLength, 0, 0);
menu[3][5] = new Item('Leeskring De Idioot', 'index.php?cat=dost', 'text', defLength, 0, 0);
menu[3][6] = new Item('Tolstoj', 'index.php?cat=tolstoj', 'text', defLength, 0, 0);
menu[3][7] = new Item('Syrisch christendom', 'index.php?cat=syrie', 'text', defLength, 0, 0);
menu[3][8] = new Item('Pasen en daarna', 'index.php?cat=daarna', 'text', defLength, 0, 0);
menu[3][9] = new Item('Beleidsplan ', 'index.php?cat=beleid', 'text', defLength, 0, 0);
menu[3][10] = new Item('Vervolg Beleidsplan ', 'index.php?cat=beleid1', 'text', defLength, 0, 0);
menu[3][11] = new Item('Vervolg Beleidsplan ', 'index.php?cat=beleid2', 'text', defLength, 0, 0);



// Menu kerkdiensten
menu[4] = new Array();
menu[4][0] = new Menu(true, '', 0, 20, 140, defOver, defBack, 'itemBorder', 'itemText');
menu[4][1] = new Item('Erediensten', 'agenda.php?cat=kerkdienst', 'text', defLength, 0, 0);
menu[4][2] = new Item('Vergaderingen', 'agenda.php?cat=vergadering', 'text', defLength, 0, 0);
menu[4][3] = new Item('Roosters', 'agenda.php?cat=rooster', 'text', defLength, 0, 0);

// Menu info
menu[5] = new Array();
menu[5][0] = new Menu(true, '', 0, 20, 120, defOver, defBack, 'itemBorder', 'itemText');
menu[5][1] = new Item('Wat is er te doen', 'index.php?cat=nieuws', 'text', defLength, 0, 0);
menu[5][2] = new Item('Predikant', 'index.php?cat=mespred', 'text', defLength, 0, 0);
menu[5][3] = new Item('Jaarverslag', 'index.php?cat=jaarverslag', 'text', defLength, 0, 0);
menu[5][4] = new Item('Kerkenraad', 'index.php?cat=meskerkr', 'text', defLength, 0, 0);
menu[5][5] = new Item('Diaconie', 'index.php?cat=mesdiac', 'text', defLength, 0, 0);
menu[5][6] = new Item('Kerkrentmeesters', 'index.php?cat=meskrm', 'text', defLength, 0, 0);
menu[5][7] = new Item('Cantorij', 'index.php?cat=mescant', 'text', defLength, 0, 0);
menu[5][8] = new Item('Emergis', 'index.php?cat=emergis', 'text', defLength, 0, 0);
menu[5][9] = new Item('Taize', 'index.php?cat=taize', 'text', defLength, 0, 0);
menu[5][10] = new Item('Links', 'index.php?cat=links', 'text', defLength, 0, 0);
menu[5][11] = new Item('Mail', 'mail.php', 'text', defLength, 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 : 6);	
}
//  End -->