// JavaScript Document
var t	= 0;
var ddmenuitem	= 0;
var tijd = 2000;

function HideContent() { //hide div that was poked under 'ddmenuitem'
	if(ddmenuitem) ddmenuitem.style.display = "none";
}

function ShowContent(d) { //close open div; show div passed as argument; poke into 'ddmenuitem'
	HideContent();
	ddmenuitem=document.getElementById(d);
	ddmenuitem.style.display = "block";
	t = setTimeout(HideContent,tijd);
}

function KeepOpen() { //interrupt timer operated closing
	if(t)
	{
		window.clearTimeout(t);
		t = null;
		t = setTimeout(HideContent,tijd);
	}
}

function ReverseContentDisplay(d) { //if div is shown, hide it, if its hidden, show it
	if(d.length < 1) { return; }
	if(document.getElementById(d).style.display == "none") { document.getElementById(d).style.display = "block"; }
	else { document.getElementById(d).style.display = "none"; }
}

function ShowContentSpec(d) { //display div
	ddmenuitem=document.getElementById(d);
	ddmenuitem.style.display = "block";
	ddmenuitem.style.zIndex = "5000";
	
}

function HideContentSpec(d) { //hide div
	ddmenuitem=document.getElementById(d);
	ddmenuitem.style.display = "none";
}

function processAjax(url) { //load data into div using AJAX (live)
	document.getElementById("artin").innerHTML = 'De gegevens van de realisatie worden opgehaald, een ogenblikje geduld...';
	if (window.XMLHttpRequest) { // Non-IE browsers
		req = new XMLHttpRequest();
		req.onreadystatechange = targetDiv;
		
		try {
			req.open("GET", url, true);
		 } catch (e) {
			alert(e);
		 }
		req.send(null);
	} else if (window.ActiveXObject) { // IE
		req = new ActiveXObject("Microsoft.XMLHTTP");
		if (req) {
			req.onreadystatechange = targetDiv;
			req.open("GET", url, true);
			req.send();
		}
	}
}

function targetDiv() {
	if (req.readyState == 4) { // Complete
		if (req.status == 200) { // OK response
			document.getElementById("artin").innerHTML = req.responseText;
		} else {
			alert("Problem: " + req.statusText);
		}
	}
} 

function targetFot() {
	if (req.readyState == 4) { // Complete
		if (req.status == 200) { // OK response
			document.getElementById("fotoke").innerHTML = req.responseText;
			document.getElementById("fotoDiv").style.zIndex = 5000;
			document.getElementById("fotoke").style.zIndex = 5000;

		} else {
			alert("Problem: " + req.statusText);
		}
	}
} 

function procImg(url) { //load data into div using AJAX (live)
	document.getElementById("fotoke").innerHTML = 'de foto wordt geladen...';
	document.getElementById("fotoke").style.visibility='hidden';
	window.open(url);
	
}


<!-- MM_functions for swapping and so on
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];}}
}

function MM_findObj(n, d) { //v4.01
  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 && d.getElementById) x=d.getElementById(n); 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];}
}