function showmenu(elmnt) 
{ 
document.getElementById(elmnt).style.visibility="visible"; 
} 

function hidemenu(elmnt) 
{ 
document.getElementById(elmnt).style.visibility="hidden"; 
} 



window.onerror = null;
var bName = navigator.appName;
var bVer = parseInt(navigator.appVersion);
var IE4 = (bName == "Microsoft Internet Explorer" && bVer >= 4);
var menuActive = 0;
var menuOn = 0;
var onLayer;
var timeOn = null;

function showLayer(layerName,aa){
var x =document.getElementById(aa);
var tt =findPosX(x); 
var ww =findPosY(x)+20; 

if (timeOn != null) {
clearTimeout(timeOn);
hideLayer(onLayer);
}
if (IE4) {
var layers = eval('document.all["'+layerName+'"].style');
layers.left = tt;
eval('document.all["'+layerName+'"].style.visibility="visible"');
}
else {
if(document.getElementById){
var elementRef = document.getElementById(layerName);
if((elementRef.style)&& (elementRef.style.visibility!=null)){
elementRef.style.visibility = 'visible';
elementRef.style.left = tt;
elementRef.style.top = ww;
}
}
}
onLayer = layerName
}

function hideLayer(layerName){
if (menuActive == 0)
{
if (IE4){
eval('document.all["'+layerName+'"].style.visibility="hidden"');
} 
else{
if(document.getElementById){
var elementRef = document.getElementById(layerName);
if((elementRef.style)&& (elementRef.style.visibility!=null)){
elementRef.style.visibility = 'hidden';
}
}
}
}
}

function btnTimer() {
timeOn = setTimeout("btnOut()",600)
}

function btnOut(layerName){
if (menuActive == 0){
hideLayer(onLayer)
}
}

var item;
function menuOver(itemName,ocolor){
item=itemName;
itemName.style.backgroundColor = ocolor; //background color change on mouse over 
clearTimeout(timeOn);
menuActive = 1
}

function menuOut(itemName,ocolor){
if(item)
itemName.style.backgroundColor = ocolor;
menuActive = 0
timeOn = setTimeout("hideLayer(onLayer)", 100)
}

function findPosX(obj)
{
var curleft = 0;
if (obj.offsetParent)
{
while (obj.offsetParent)
{
curleft += obj.offsetLeft
obj = obj.offsetParent;
}
}
else if (obj.x)
curleft += obj.x;
return curleft;
}

function findPosY(obj)
{
var curtop = 0;
if (obj.offsetParent)
{
while (obj.offsetParent)
{
curtop += obj.offsetTop
obj = obj.offsetParent;
}
}
else if (obj.y)
curtop += obj.y;
return curtop;
}






// Copyright 2006-2007 javascript-array.com

var timeout	= 500;
var closetimer	= 0;
var ddmenuitem	= 0;

// open hidden layer
function mopen(id)
{	
	// cancel close timer
	mcancelclosetime();

	// close old layer
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';

	// get new layer and show it
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.visibility = 'visible';

}
// close showed layer
function mclose()
{
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
}

// go close timer
function mclosetime()
{
	closetimer = window.setTimeout(mclose, timeout);
}

// cancel close timer
function mcancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}

// close layer when click-out
document.onclick = mclose; 

var onthouden="aan" 		// actuele status bijhouden met sessie-cookie (aan/uit)
var vorige_verbergen="ja"   // bij nieuw item vorige geopende item dichtvouwen(ja/nee)

if (document.getElementById){
document.write('<style type="text/css">')
document.write('.wisselen{display:none;}')
document.write('</style>')}

function getElementbyClass(classname){
ophalen=new Array()
var teller=0
var alleTags=document.all? document.all : document.getElementsByTagName("*")
for (i=0; i<alleTags.length; i++){
if (alleTags[i].className==classname)
ophalen[teller++]=alleTags[i]}}

function dichtvouwen(omit){
var teller=0
while (ophalen[teller]){
if (ophalen[teller].id!=omit)
ophalen[teller].style.display="none"
teller++}}

function uitvouwen(cid){
if (typeof ophalen!="undefined"){
if (vorige_verbergen=="ja")
dichtvouwen(cid)
document.getElementById(cid).style.display=(document.getElementById(cid).style.display!="block")? "block" : "none"}}

function vernieuwen(){
dichtvouwen("alles")
selectedItem=getselectedItem()
selectedComponents=selectedItem.split("|")
for (i=0; i<selectedComponents.length-1; i++)
document.getElementById(selectedComponents[i]).style.display="block"}

function get_cookie(Name) { 
var search = Name + "="
var returnvalue = "";
if (document.cookie.length > 0) {
offset = document.cookie.indexOf(search)
if (offset != -1) { 
offset += search.length
end = document.cookie.indexOf(";", offset);
if (end == -1) end = document.cookie.length;
returnvalue=unescape(document.cookie.substring(offset, end))}}
return returnvalue;}

function getselectedItem(){
if (get_cookie(window.location.pathname) != ""){
selectedItem=get_cookie(window.location.pathname)
return selectedItem}
else return ""}

function status_opslaan(){
var teller=0, selectedItem=""
while (ophalen[teller]){
if (ophalen[teller].style.display=="block")
selectedItem+=ophalen[teller].id+"|"
teller++}
document.cookie=window.location.pathname+"="+selectedItem}

function do_onload(){
getElementbyClass("wisselen")
if (onthouden=="aan" && typeof ophalen!="undefined")
vernieuwen()}

if (window.addEventListener)
window.addEventListener("load", do_onload, false)
else if (window.attachEvent)
window.attachEvent("onload", do_onload)
else if (document.getElementById)
window.onload=do_onload

if (onthouden=="aan" && document.getElementById)
window.onunload=status_opslaan



var rotate_delay = 5000; // delay in milliseconds (5000 = 5 secs)
current = 0;
function next() {
if (document.slideform.slide[current+1]) {
document.images.show.src = document.slideform.slide[current+1].value;
document.slideform.slide.selectedIndex = ++current;
   }
else first();
}
function previous() {
if (current-1 >= 0) {
document.images.show.src = document.slideform.slide[current-1].value;
document.slideform.slide.selectedIndex = --current;
   }
else last();
}
function first() {
current = 0;
document.images.show.src = document.slideform.slide[0].value;
document.slideform.slide.selectedIndex = 0;
}
function last() {
current = document.slideform.slide.length-1;
document.images.show.src = document.slideform.slide[current].value;
document.slideform.slide.selectedIndex = current;
}
function ap(text) {
document.slideform.slidebutton.value = (text == "Stop") ? "Start" : "Stop";
rotate();
}
function change() {
current = document.slideform.slide.selectedIndex;
document.images.show.src = document.slideform.slide[current].value;
}
function rotate() {
if (document.slideform.slidebutton.value == "Stop") {
current = (current == document.slideform.slide.length-1) ? 0 : current+1;
document.images.show.src = document.slideform.slide[current].value;
document.slideform.slide.selectedIndex = current;
window.setTimeout("rotate()", rotate_delay);
   }
}

function removeFoto(trId) 
  {
      var obj = document.getElementById(trId);
      obj.parentNode.clearChild(obj);
    
  }