var currentImage = null;
	var swapImage;
	var editedParam;

	function setImage(a,b) {
		if (currentImage != null  && currentImage != a)
		{
			clearImage();
		}
		currentImage = a;
		swapImage = b +".gif";
		editedParam = b+"_mo.gif";
		changeImages(a,editedParam);
	}

	function resetNavigation(layer){
		MM_showHideLayers(layer,'','hide');
		clearImage();
	}

	function clearImage () {
		changeImages(currentImage,swapImage);
	}

	//Preload images
	function newImage(arg) {
		if (document.images) {
			rslt = new Image();
			rslt.src = arg;
			return rslt;
		}
	}

	//Swap images
	function changeImages() {
		if (document.images && (preloadFlag == true)) {
			for (var i=0; i<changeImages.arguments.length; i+=2) {
				document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
			}
		}
	}

var timeID;
menu1 = new Array();
menu2 = new Array(['Stichting NIBA','../view/?id=11'],['RBB','../view/?id=12'],['Inkoopkorting','../view/?id=13'],['Bestuur en adressen','../view/?id=14'],['Nieuws','../view/?id=15'],['Links','../view/?id=16']);
menu3 = new Array(['Kwaliteitsbewaking','../view/?id=21'],['Helpdesk','../view/?id=22'],['Gedrags- en beroepsregels','../view/?id=23'],['Tuchtreglement','../view/?id=24'],['Indienen tuchtklacht','../view/?id=26'],['Algemene voorwaarden','../view/?id=25']);
menu4 = new Array(['Informatie','../view/?id=31'],['Toelatingstoets','../view/?id=33'],['Voordelen aansluiting','../view/?id=36'],['Aansluitovereenkomst','../view/?id=34'],['Informatiemap','../view/?id=35']);
menu5 = new Array(['Programma 2009','../view/?id=41'],['Algemene voorwaarden','../view/?id=42'],['Puntentoekenning','../view/?id=43'],['Routebeschrijvingen','../view/?id=44']);
menu6 = new Array();


positions = new Array(169, 244, 314, 409, 516, 621);
imageWidth = new Array(75, 70, 95, 107, 105, 114);
tableWidth = new Array(0, 145, 175, 150, 155, 0);


var activePixel = "";
var activeColor = "";

function writeMenus(){
	for(i=0;i<6;i++){
		if(i==0){activePixel="pixel0";activeColor="#FFFFFF";}
		if(i==1){activePixel="pixel1";activeColor="#C7C6E3";}
		if(i==2){activePixel="pixel2";activeColor="#C7C6E3";}
		if(i==3){activePixel="pixel3";activeColor="#C7C6E3";}
		if(i==4){activePixel="pixel2";activeColor="#C7C6E3";}
		if(i==5){activePixel="pixel0";activeColor="#FFFFFF";}
		writeMenu(i+1);
	}
}


function writeMenu(subMenu){
	if(bw.ns4){
	document.write("<LAYER NAME='Layer" + subMenu + "' LEFT='" + positions[subMenu-1] + "' z-index='99' TOP='175' WIDTH='129' HEIGHT='20' VISIBILITY='hide' onMouseOver=\"hideLayer('cancel')\" onMouseOut=\"hideLayer('Layer" + subMenu + "')\">");
	}
	else {
	document.write("<DIV ID='Layer" + subMenu + "' STYLE='position:absolute; width:140px; height:0px; z-index:99; border: 1px none #000000; left: " + positions[subMenu-1] + "px; top: 148px; visibility: hidden' onMouseOver=\"hideLayer('cancel')\" onMouseOut=\"hideLayer('Layer" + subMenu + "')\">");
	}

		document.write("<table width='"+ tableWidth[subMenu-1] +"' border='0' cellspacing='0' cellpadding='0'>");
		document.write("<tr>");
		    document.write("<td><img src='../images/menu/"+ activePixel +".gif' width='1' height='1' border='0'></td>");
		    document.write("<td align='right'><img src='../images/menu/"+ activePixel +".gif' width='"+ (tableWidth[subMenu-1] - imageWidth[subMenu-1]) +"' height='1' border='0'></td>");
		    document.write("<td><img src='../images/menu/"+ activePixel +".gif' width='1' height='1' border='0'></td>		");
		document.write("</tr>");
		document.write("<tr>");
		    document.write("<td bgcolor='"+ activeColor +"'><img src='../images/menu/"+ activePixel +".gif' width='1' height='1' border='0'></td>");
		    document.write("<td bgcolor='#ffffff'>");
					document.write("<table border='0' cellspacing='0' cellpadding='0'>");

			  for( n=0 ; n< eval("menu" + subMenu + ".length") ; n++){
			   document.write ("<tr style='cursor=hand'>");
			   document.write ("<td width='9' height='16'><img src='../images/menu/spacer.gif' width='9' height='1' border='0'></td>");
			   document.write ("<td width='"+ (tableWidth[subMenu-1] - 11) +"'><A CLASS='dropMenu' HREF='" + eval('menu' + subMenu + '[n][1]') + "' target='content'>"  + eval('menu' + subMenu + '[n][0]') + "</A></td>");
			   document.write ("</tr>");
				}
		document.write("<tr><td colspan='2'><img src='../images/menu/spacer.gif' height='8' width='1'></td></tr>")
					document.write("</table>");
				document.write("</td>");
		    document.write("<td rowspan='2' bgcolor='"+ activeColor +"'><img src='../images/menu/"+ activePixel +".gif' width='1' height='1' border='0'></td>");
		document.write("</tr>");
		document.write("<tr>");
		document.write("<td colspan='2' bgcolor='"+ activeColor +"'><img src='../images/menu/"+ activePixel +".gif' width='1' height='1' border='0'></td>");
		document.write("</tr>");
		document.write("</table>");

	 document.write ("</TABLE>");
	if(bw.ns4){
	document.write("</LAYER>");
	}else{
	document.write("</DIV>");
	}
}

//Default browsercheck
function checkBrowser(){
	this.ver=navigator.appVersion
	this.dom=document.getElementById?1:0
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0;
	this.ie4=(document.all && !this.dom)?1:0;
	this.ns5=(this.dom && parseInt(this.ver) >= 5) ?1:0;
	this.ns4=(document.layers && !this.dom)?1:0;
	//added
	this.ie4mac=this.ie4 && navigator.userAgent.indexOf("Mac")>-1
	this.ie5mac=this.ie5 && navigator.userAgent.indexOf("Mac")>-1
	this.ie55=(this.ver.indexOf("MSIE 5.5")>-1 && this.dom)?1:0;
	this.bw=(this.ie5 || this.ie4 || this.ns4 || this.ns5 || this.ie5mac)
	return this
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_showHideLayers() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}

function showHideLayers(subMenu,menuMax){
	for(i=1;i<=menuMax;i++){
		if(i == subMenu){
			MM_showHideLayers(("Layer" + i),'','show');
		}else{
			MM_showHideLayers(("Layer" + i),'','hide');
		}
	}
}

function hideLayer(layer){
	if(layer != 'cancel'){
		timeID = setTimeout("resetNavigation('"+layer+"')",500);
		//timeID = setTimeout("MM_showHideLayers('" + layer + "','','hide')",500);
		//timeID = setTimeout("clearImage()",500);
	}else{
		clearTimeout(timeID);
	}
}


//Preload images
var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		nav_niba_mo 		= newImage("../images/menu/niba_mo.gif");
		nav_kwaliteit_mo		= newImage("../images/menu/kwaliteit_mo.gif");
		nav_aansluiten_mo 	= newImage("../images/menu/aansluiten_mo.gif");
		nav_cursussen_mo 		= newImage("../images/menu/cursussen_mo.gif");
		nav_home_mo 		= newImage("../images/menu/home_mo.gif");
		nav_kennisbank_mo 	= newImage("../images/menu/kennisbank_mo.gif");
		
		preloadFlag = true;
	}
}