var timeID;

//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
}
bw=new checkBrowser()

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;
		// synchroon aan layer hoofdmenuitem deactiveren indien layer inactive wordt...
		if((menuobj = MM_findObj(args[i] + '_hoofdmenuitem')) != null) {
			if(v == 'visible') {
				menuobj.className = 'hoofdmenu_active';
			} else {
				menuobj.className = 'hoofdmenu';
			}
		}
	}
}
	
function showHideLayers(subMenu,menuMax){
	var x = getRealLeft(MM_findObj('pos_is_here'));
	var y = getRealTop(MM_findObj('pos_is_here'));
	
	obj = MM_findObj("Layer" + subMenu).style.left = x;
	obj = MM_findObj("Layer" + subMenu).style.top = y;
	
	for(i=1;i<=menuMax;i++){
		if(i == subMenu){
			MM_showHideLayers(("Layer" + i),'','show');
		} else {
			MM_showHideLayers(("Layer" + i),'','hide');
		}
	}
}

function showLayer(layer){
	if(layer != 'cancel'){
		timeID = setTimeout("MM_showHideLayers('" + layer + "','','show')",200);
	}else{
		clearTimeout(timeID);
	}
}
	
function hideLayer(layer){
	if(layer != 'cancel'){
		timeID = setTimeout("MM_showHideLayers('" + layer + "','','hide')",200);
	}else{
		clearTimeout(timeID);
	}
}

function getRealLeft(el) {
	if (arguments.length==0) el = this;
	xPos = el.offsetLeft;
	tempEl = el.offsetParent;
	while (tempEl != null) {
		xPos += tempEl.offsetLeft;
		tempEl = tempEl.offsetParent;
	}
	return xPos;
}

function getRealTop(el) {
	if (arguments.length==0) el = this;
	yPos = el.offsetTop;
	tempEl = el.offsetParent;
	while (tempEl != null) {
		yPos += tempEl.offsetTop;
		tempEl = tempEl.offsetParent;
	}
	return yPos;
}