var remember = new Array();
var remember2 = new Array();
var checkIt;
var DHTML = (document.getElementById || document.all || document.layers);

function showMenu(name,lvl,obj)
{
	if (!DHTML) return;
	checkUserInput();
	if (remember[lvl] && remember[lvl] == name) return;
	if (remember[lvl])
	{
		closeAll(lvl);
	}
	if (name)
	{
		var x = getObj(name);
		
		x.visibility = 'visible';
	}
	remember[lvl] = name;
	if (obj.parentNode) y = obj.parentNode;
	else if (obj.parentElement) y = obj.parentElement;
	else return;
	if (y.className) return;
	y.className = 'over';
	if (remember2[lvl]) remember2[lvl].className = '';
	remember2[lvl] = y;
}

function closeAll(lvl)
{
	for (i=remember.length;i>=lvl;i--)
	{
		if (remember[i])
		{
			var x = getObj(remember[i]);
			x.visibility = 'hidden';
		}
		remember[i] = null;
		if (remember2[i])
		{
			remember2[i].className = '';
			remember2[i] = null;
		}
	}
}

function checkUserInput()
{
	if (checkIt) clearTimeout(checkIt);
	checkIt = setTimeout('closeAll(3)',5000);
	// hierboven in closAll aangeven in hoeveel rijen bezoeker zelf moet zorgen voor inklappen menu
}

function getObj(name)
{
  var dom = findDOM(name,1);
  return dom;
}


	// VOOR POP-UP:
function NewWindow(mypage, myname, w, h, scroll) {
var winl = (screen.width - w) /2 ;
var wint = (screen.height - h) / 2;
winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable'
win = window.open(mypage, myname, winprops)
if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}
	
// VOOR DEZE SITEMAP-PAGINA
	function expMenu(id)
	{
	var menuitem = $('menu' + id);
	var listitem = $('lijst' + id);
	if (menuitem.style)
	{ 
		if (menuitem.style.display == "none")
		{ menuitem.style.display = "block"; listitem.setStyle({listStyleImage: 'url(pics/minus.gif)'}) }
		else
		{ menuitem.style.display = "none"; listitem.setStyle({listStyleImage: 'url(pics/plus.gif)'}) }
	} 
	}
	
	function getContent(ID,tabel) {
	        var tijd = new Date();
		    var t = tijd.getTime();
			new Ajax.Updater('Layer4', 'ajaxcontent.php', { method: 'get', parameters: { t: t, id: ID, tbl: tabel } });
	}
	
	function getIntrotext(menu_id,tabelnr) {
	        var tijd = new Date();
		    var t = tijd.getTime();
			new Ajax.Updater('Layer4', 'ajax_displayintrotext.php', { method: 'get', parameters: { t: t, menu_id: menu_id, tabelnr: tabelnr } });
	}
	
	function getItems(menu_sel,welkmenu) {
	        var tijd = new Date();
		    var t = tijd.getTime();
			new Ajax.Updater('Layer4', 'ajaxitems.php', { method: 'get', parameters: { t: t, menu_sel: menu_sel, welkmenu: welkmenu } });
	}
	
	function getThisItem (ID,welkmenu,menu_sel) {
	        var tijd = new Date();
		    var t = tijd.getTime();
			new Ajax.Updater('displaybox', 'ajaxdisplay_item.php', { method: 'get', parameters: { ID: ID, menu_sel: menu_sel, welkmenu: welkmenu } });
	}
	
	function getDatums(menu_sel,welkmenu) {
	        var tijd = new Date();
		    var t = tijd.getTime();
			new Ajax.Updater('Layer4', 'ajaxdatums.php', { method: 'get', parameters: { t: t, menu_sel: menu_sel, welkmenu: welkmenu } });
	}
	function getThisDate (ID,welkmenu,menu_sel,cat_sel) {
	        var tijd = new Date();
		    var t = tijd.getTime();
			new Ajax.Updater('displaybox', 'ajaxdisplay_datum.php', { method: 'get', parameters: { ID: ID, menu_sel: menu_sel, welkmenu: welkmenu, cat_sel: cat_sel } });
	}
	function getThisAlbum (ID,welkmenu,menu_sel) {
	        var tijd = new Date();
		    var t = tijd.getTime();
			new Ajax.Updater('displaybox', 'ajaxdisplay_fotoalbum.php', { method: 'get', parameters: { ID: ID, menu_sel: menu_sel, welkmenu: welkmenu } });
	}
	function getAlbum(menu_sel,welkmenu) {
	        var tijd = new Date();
		    var t = tijd.getTime();
			new Ajax.Updater('Layer4', 'ajaxalbum.php', { method: 'get', parameters: { t: t, menu_sel: menu_sel, welkmenu: welkmenu } });
	}
	function getSideMenu(menu_sel) {
	 		var tijd = new Date();
		    var t = tijd.getTime();
			new Ajax.Updater('zijMenu', 'ajaxdisplay_zijmenu.php', { method: 'get', parameters: { t: t, menu_sel: menu_sel } });
	
	}
	
// VOOR BUTTONS IN ZIJMENU:
function MM_findObj(n, d) { //v3.0
  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); return x;
}
function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}