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_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_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 getElt() {
  if (document.all) { // IE4+
    var elt = eval('document.all[\'' + getElt.arguments[getElt.arguments.length - 1] + '\']');
    if (elt.length) {
      return elt[0];
    } else {
      return elt;
    }
  } else if (document.layers) { //NS4
    var currentLayer = document.layers[getElt.arguments[0]];

    for (var i = 1; i < getElt.arguments.length && currentLayer; i++) {
       currentLayer = currentLayer.document.layers[getElt.arguments[i]];
    }

    return currentLayer;
  } else if (document.getElementById) { // NS6
    return document.getElementById(getElt.arguments[getElt.arguments.length - 1]);
  }
}

//GDU 11-09-2006

//mo en mu voor het hoofdmenu
function mo(sender){
  sender.style.backgroundOld = sender.style.background;
  sender.style.background = '#20506d';
}
function mu(sender){
  sender.style.background = sender.style.backgroundOld;
}

//alpha filter voor de thumbnails onder de tekst
var ie = (document.all) ? 1 : 0;
var p = (ie) ? "filter" : "MozOpacity";

/* n is het element
   v de opacity waarde, van 0 tot 100. */
function op(n,v){
    v = (ie) ? "alpha(opacity="+v+")" : v/100;
    n.style[p] = v;
}

var el_op = 50;
var op_el = null;

function thumb_mo(sender){
  op_el = sender;
  el_op=50;
  inc_op();
}

function inc_op(){
  if(el_op<101&&(op_el!=null)){
    el_op++;
    op(op_el,el_op);
    window.setTimeout('inc_op()',10);
  }  
}

function thumb_mu(sender){
  op(sender,50);
  op_el=null;
}

//input blur en focus functies

function inputblur(sender){
}

function inputfocus(sender){
}