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 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]);
  }
}

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 toonAfbeelding(url) {
  window.open(url,'Afbeelding','status=no,scrollbars=no,menubar=no');
}

function checkBrowser(){
	this.ver=navigator.appVersion
	this.dom=document.getElementById?1:0
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0;
	this.ie4=(document.all && !this.dom)?1:0;
	this.ns5=(this.dom && parseInt(this.ver) >= 5) ?1:0;
	this.ns4=(document.layers && !this.dom)?1:0;
	this.bw=(this.ie5 || this.ie4 || this.ns4 || this.ns5)
	return this
}
bw=new checkBrowser()
//With nested layers for netscape, this function hides the layer if it's visible and visa versa
function showHide(div,nest){
	obj=bw.dom?document.getElementById(div).style:bw.ie4?document.all[div].style:bw.ns4?nest?document[nest].document[div]:document[div]:0; 
	if(obj.visibility=='visible' || obj.visibility=='show') obj.visibility='hidden'
	else obj.visibility='visible'
}
//Shows the div
function showLayer(div,nest){
	obj=bw.dom?document.getElementById(div).style:bw.ie4?document.all[div].style:bw.ns4?nest?document[nest].document[div]:document[div]:0; 
	obj.visibility='visible'
}
//Hides the div
function hideLayer(div,nest){
	obj=bw.dom?document.getElementById(div).style:bw.ie4?document.all[div].style:bw.ns4?nest?document[nest].document[div]:document[div]:0; 
	obj.visibility='hidden'
}  

function writeLayer(div,text)
{  
  if (document.getElementById)
	{
		x = document.getElementById(div);
		x.innerHTML = text;
	}
	else if (document.all)
	{
		x = document.all[div];
		x.innerHTML = text;
	}
	else if (document.layers)
	{
		x = document.layers[div];
		x.document.open();
		x.document.write(text);
		x.document.close();
	}
}

function submitenter(myfield,e,t)
{
  var keycode;
  if (window.event) keycode = window.event.keyCode;
  else if (e) keycode = e.which;
  else return true;

  if (keycode == 13) {
    document.location.href="zoek.aspx?z=" + getElt("tbxZoeken").value + "&t=" + t;    
    return false;
  } else {   
   return true;
  }    
}

function popup_print(url) {

	var width = 600;
	var height = 400;

	var x = (800 - width)/2;
	var y = (600 - height)/2;
	
  if (screen) {
      y = (screen.availHeight - height)/2;
      x = (screen.availWidth - width)/2;
  }
  
  window.open(url,"","status=no,scrollbars=yes,menubar=no,width=600,height=400 top="+y+",left="+x);
}