function disableRightClick(e) {
	var message = "Copyright Infotraining";
	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) {
			alert(message);
			return false;
		}
	} else {
		alert(message);
		return false;
	}
}


function wst() {
	window.status = "Infotraining";
	window.setTimeout("wst()", 250);
}


function wisFormulier() {
  document.inschrijven.reset();
  aantalDeelnemers();
  aparteContact();
  aparteFactuur();
  veranderSubmit();
  return true;
}


function aantalDeelnemers() {
	var deelnemers = document.inschrijven.aantal_deelnemers.value;
	var dn2 = document.getElementById("deelnemer2");
	var dn3 = document.getElementById("deelnemer3");
	var dn4 = document.getElementById("deelnemer4");
	var dn5 = document.getElementById("deelnemer5");
	var dn6 = document.getElementById("deelnemer6");
	var dn7 = document.getElementById("deelnemer7");
	var dn8 = document.getElementById("deelnemer8");
	if(deelnemers >= 2) dn2.style.display = "block"; else dn2.style.display = "none";
	if(deelnemers >= 3) dn3.style.display = "block"; else dn3.style.display = "none";
	if(deelnemers >= 4) dn4.style.display = "block"; else dn4.style.display = "none";
	if(deelnemers >= 5) dn5.style.display = "block"; else dn5.style.display = "none";
	if(deelnemers >= 6) dn6.style.display = "block"; else dn6.style.display = "none";
	if(deelnemers >= 7) dn7.style.display = "block"; else dn7.style.display = "none";
	if(deelnemers >= 8) dn8.style.display = "block"; else dn8.style.display = "none";
	return true;
}


function aparteContact() {
	var contact = document.getElementById("contactpersoon");
	if(document.inschrijven.aparte_contactpersoon[0].checked) contact.style.display = "block"; else contact.style.display = "none";
	return true;
}


function aparteFactuur() {
	var factuur = document.getElementById("factuuradres");
	if(document.inschrijven.aparte_factuur[0].checked) factuur.style.display = "block"; else factuur.style.display = "none";	
	return true;
}


function veranderSubmit() {
	var verstuur = document.inschrijven.versturen;
	if(document.inschrijven.algemenevoorwaarden[0].checked) verstuur.disabled = false; else verstuur.disabled = true;	
	return true;
}


function updateTrainingdata() {
  document.inschrijven.trainingdata_id.options.length = 0;
  var count = 1;
  for(var i=1; i<training_data.length; i++) {
    var training_datum = training_data[i];
    if(training_datum[0] == document.inschrijven.trainingen.value) {
      document.inschrijven.trainingdata_id.options[count++] = new Option(training_datum[2], training_datum[1]);
    }
  }
}


// disableRightClick();
// wst();

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];}
}