function toggleVisible(id) {
    var status = document.getElementById(id).style.display;
    document.getElementById(id).style.display = (status == "block" ? "none" : "block");
}

function popup(deurl, breedte, hoogte) {
    myWin = open(deurl,'','width=' + breedte + ',height=' + hoogte +',scrollbars=yes,status=no,toolbar=no,menubar=no');
}

function selectRadio(radio_object, s_action){
    var value = null;

    if (!radio_object[s_action].checked){
        radio_object[s_action].checked = true;
    }
    return true;
}

function openWindow(file, width, height) {
    info = open("", "zoek", "resizable=no, status=yes, scrollbars=yes, width=" + width + ", height=" + height);
    info.location.href = file;
    if (info.opener == null)
            info.opener = self;
}

function confirmDialog(url, msg) {
    var fRet;
    response = confirm(msg + '?', '');
    if (response == true ) {
        document.location.href = url;
    }
}
 
sfHover = function() {
	var sfEls = document.getElementById("menu_level0_1").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover); 
            
function swapimage(name, url, captionid, caption) {
	MM_swapImage(name,'',url,0);
	document.getElementById(captionid).innerHTML = caption;
	return false;
}

function MM_swapImage() {
	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];
		}
  return false;
}

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;
}