function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);
 
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];}
}
	
function MM_showHideLayers() { //v9.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) 
  with (document) if (getElementById && ((obj=getElementById(args[i]))!=null)) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}
 
function MM_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' dient een geldig e-mail addres te zijn.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' dient een getal te zijn.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+nm+' dient een getal tussen '+min+' en '+max+' te zijn.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is vereist.\n'; }
  } if (errors) alert('de volgende fout doet zich voor:\n'+errors);
  document.MM_returnValue = (errors == '');
}

function MM_valForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' dient een geldig e-mail addres te zijn.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' dient een getal te zijn.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+nm+' dient een getal tussen '+min+' en '+max+' te zijn.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is vereist.\n'; }
  } if (errors) alert('de volgende fout doet zich voor:\n'+errors);
  var concat = document.getElementById('wachtw').value+"<?php echo $challenge;?>";
  document.getElementById('md5pw').value = hex_md5(concat);
  document.getElementById('wachtw').value = '';
  document.MM_returnValue = (errors == '');
}


function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
	
function MM_popupMsg(msg) { //v1.0
  alert(msg);
}

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function MM_displayStatusMsg(msgStr) { //v1.0
  status=msgStr;
  document.MM_returnValue = true;
}

function MM_callJS(jsStr) { //v2.0
  return eval(jsStr)
}

function MM_setTextOfLayer(objName,x,newText) { //v4.01
  if ((obj=MM_findObj(objName))!=null) with (obj)
    if (document.layers) {document.write(unescape(newText)); document.close();}
    else innerHTML = unescape(newText);
}

function MM_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}
function disableRightClick(e) {
  if(!document.rightClickDisabled) {
    if(document.layers) {
      document.captureEvents(Event.MOUSEDOWN);
      document.onmousedown = disableRightClick;
      }
    else document.oncontextmenu = disableRightClick;
    return document.rightClickDisabled = true;
    }
  if(document.layers || (document.getElementById && !document.all)) {
    if (e.which==2||e.which==3) {
      return false;
      }
    }
  else {
    return false;
    }
  }

function MM_changeProp(objId,x,theProp,theValue) { //v9.0
  var obj = null; with (document){ if (getElementById)
  obj = getElementById(objId); }
  if (obj){
    if (theValue == true || theValue == false)
      eval("obj.style."+theProp+"="+theValue);
    else eval("obj.style."+theProp+"='"+theValue+"'");
  }
}
 
function totop() {
	window.location.href= "#boven";
}

function printit(){  
	window.print();
}


var xmlhttp;
var menunr;
function loadmenu(menunr)
{
	xmlhttp=null;
	if (window.XMLHttpRequest)
	  {// code for IE7+, Firefox, Chrome, Opera, Safari
		 xmlhttp=new XMLHttpRequest();
	  }
	else
	  {// code for IE6, IE5
		xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
	  }
	  
	xmlhttp.onreadystatechange=state_Change;
	xmlhttp.open("GET","menu.php?hm="+menunr,true);
	xmlhttp.send(null);

	function state_Change(){
		if (xmlhttp.readyState==4)
		{// 4 = "loaded"
		  if (xmlhttp.status==200)
			{// 200 = "OK"
				document.getElementById('menu').innerHTML=xmlhttp.responseText;
			}
		  else
			{
				alert("de gegevens kunnen niet worden weergegeven");
			}
		}
	}
}

var  submenunr;
function loadpage(submenunr)
{
	xmlhttp=null;
	if (window.XMLHttpRequest)
	  {// code for IE7+, Firefox, Chrome, Opera, Safari
		 xmlhttp=new XMLHttpRequest();
	  }
	else
	  {// code for IE6, IE5
		xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
	  }
	  
	xmlhttp.onreadystatechange=state_Change;
	xmlhttp.open("GET","inhoud.php?pg="+submenunr,true);
	xmlhttp.send(null);

	function state_Change(){
		if (xmlhttp.readyState==4)
		{// 4 = "loaded"
		  if (xmlhttp.status==200)
			{// 200 = "OK"
				document.getElementById('inhoud').innerHTML=xmlhttp.responseText;
			}
		  else
			{
				alert("de gegevens kunnen niet worden weergegeven");
			}
		}
	}
}

function loadshop(submenunr)
{
	xmlhttp=null;
	if (window.XMLHttpRequest)
	  {// code for IE7+, Firefox, Chrome, Opera, Safari
		 xmlhttp=new XMLHttpRequest();
	  }
	else
	  {// code for IE6, IE5
		xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
	  }
	  
	xmlhttp.onreadystatechange=state_Change;
	xmlhttp.open("GET","shop.php?pg="+submenunr,true);
	xmlhttp.send(null);

	function state_Change(){
		if (xmlhttp.readyState==4)
		{// 4 = "loaded"
		  if (xmlhttp.status==200)
			{// 200 = "OK"
				document.getElementById('inhoud').innerHTML=xmlhttp.responseText;
			}
		  else
			{
				alert("de gegevens kunnen niet worden weergegeven");
			}
		}
	}
}











var  pg;
var  laagnr;
function loadlaag(pg,laagnr)
{
	xmlhttp=null;
	if (window.XMLHttpRequest)
	  {// code for IE7+, Firefox, Chrome, Opera, Safari
		 xmlhttp=new XMLHttpRequest();
	  }
	else
	  {// code for IE6, IE5
		xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
	  }
	  
	xmlhttp.onreadystatechange=state_Change;
	xmlhttp.open("GET","tekstlaag.php?pg="+pg+"&lg="+laagnr,true);
	xmlhttp.send(null);

	function state_Change(){
		if (xmlhttp.readyState==4)
		{// 4 = "loaded"
		  if (xmlhttp.status==200)
			{// 200 = "OK"
				document.getElementById('tekstlaag').innerHTML=xmlhttp.responseText;
			}
		  else
			{
				alert("de gegevens kunnen niet worden weergegeven");
			}
		}
	}
}