function getPrevSeparator(element) {
	var found=false;
	var prevSeparator=element.previousSibling;	
	
	while (prevSeparator!=null) {
		if (prevSeparator.nodeType!=1 || (prevSeparator.nodeType==1 && prevSeparator.nodeName!='DIV')) {
			prevSeparator=prevSeparator.previousSibling;
		} else {
			return prevSeparator;
			break;
		}
	}	
	return null;
}

function getNextSeparator(element) {
	var found=false;
	var nextSeparator=element.nextSibling;
	
	while (nextSeparator!=null) {
		if (nextSeparator.nodeType!=1 || (nextSeparator.nodeType==1 && nextSeparator.nodeName!='DIV')) {
			nextSeparator=nextSeparator.nextSibling;
		} else {
			return nextSeparator;
			break;
		}
	}	
	return null;
}

function aan(element) {
	element.className="menu_hl";
	
	prevSeparator=getPrevSeparator(element);
	if (prevSeparator) {
		prevSeparator.className="menu_separator_basis menu_separator_hl";
	}
	
	nextSeparator=getNextSeparator(element);	
	if (nextSeparator) {
		nextSeparator.className="menu_separator_basis menu_separator_hl";
	}
}

function uit(element,niveau) {
	element.className="menu"+niveau+"_normaal";
	
	prevSeparator=prevSeparator=getPrevSeparator(element);	
	if (prevSeparator) {
		prevSeparator.className="menu_separator_basis menu"+niveau+"_separator";
	}
	
	nextSeparator=getNextSeparator(element);
	if (nextSeparator) {
		nextSeparator.className="menu_separator_basis menu"+niveau+"_separator";
	}
}

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];}
}