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_nbGroup(event, grpName) { //v3.0
  var i,img,nbArr,args=MM_nbGroup.arguments;
  if (event == "init" && args.length > 2) {
    if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
      img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
      if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
      nbArr[nbArr.length] = img;
      for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
        if (!img.MM_up) img.MM_up = img.src;
        img.src = img.MM_dn = args[i+1];
        nbArr[nbArr.length] = img;
    } }
  } else if (event == "over") {
    document.MM_nbOver = nbArr = new Array();
    for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = (img.MM_dn && args[i+2]) ? args[i+2] : args[i+1];
      nbArr[nbArr.length] = img;
    }
  } else if (event == "out" ) {
    for (i=0; i < document.MM_nbOver.length; i++) {
      img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
  } else if (event == "down") {
    if ((nbArr = document[grpName]) != null)
      for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
    document[grpName] = nbArr = new Array();
    for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
      if (!img.MM_up) img.MM_up = img.src;
      img.src = img.MM_dn = args[i+1];
      nbArr[nbArr.length] = img;
  } }
}

function textCounter(field,cntfield,maxlimit) {
	if (field.value.length > maxlimit) // if too long...trim it!
		field.value = field.value.substring(0, maxlimit);
	// otherwise, update 'characters left' counter
	else
		cntfield.value = maxlimit - field.value.length;
}

function check(){
	var errorcheck = '';
	if (document.Adverteren.advertentie.checked) {
		if (
			document.Adverteren.voornaam.value == ''
		) errorcheck += 'Voornaam is verplicht\n';
		
		if (
			document.Adverteren.naam.value == ''
		) errorcheck += 'Achternaam is verplicht\n';
		
		if (
			document.Adverteren.adres.value == ''
		) errorcheck += 'Adres is verplicht\n';
		
		if (
			document.Adverteren.postcode.value == ''
		) errorcheck += 'Postcode is verplicht\n';
		
		if (
			document.Adverteren.woonplaats.value == ''
		) errorcheck += 'Woonplaats is verplicht\n';
		
		if (
			document.Adverteren.telefoon.value == ''
		) errorcheck += 'Email is verplicht\n';
		
		if (
			document.Adverteren.email.value == ''
		) errorcheck += 'Telefoon is verplicht\n';
	} else {
		if (
			document.Adverteren.telefoon.value == 0 &&
			document.Adverteren.email.value == 0
		) errorcheck += 'Vul minimaal een e-mail adres òf telefoon nummer in\n';
	
		if (
			!checkEmail(document.Adverteren.email.value) &&
			document.Adverteren.telefoon.value == 0
		) errorcheck += 'Vul een geldig e-mail adres in\n';
	}

	if (
		document.Adverteren.remLen.value == 400
	) errorcheck += 'Inhoud van de advertentie ontbreekt\n';

	if (
		errorcheck.length == 0
	) document.forms['Adverteren'].submit();
	else alert (errorcheck);
}

function checkEmail (what) {
	if (! /^([a-zA-Z0-9_\-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([a-zA-Z0-9\-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$/i.test (what)) {
		//alert ('U heeft een ongeldig e-mail adres ingevuld.   ');
		return false;
	}
	return true;
}
	
	
//here you place the ids of every element you want.
var ids=new Array('2006','2005','2004','2003');

function switchid(id){	
	hideallids();
	showdiv(id);
}

function hideallids(){
	//loop through the array and hide each element by id
	for (var i=0;i < ids.length;i++){
		hidediv(ids[i]);
	}		  
}

function hidediv(id) {
	//safe function to hide an element with a specified id
	if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById(id).style.display = 'none';
	}
	else {
		if (document.layers) { // Netscape 4
			document.id.display = 'none';
		}
		else { // IE 4
			document.all.id.style.display = 'none';
		}
	}
}

function showdiv(id) {
	//safe function to show an element with a specified id
		  
	if (document.getElementById) { // DOM3 = IE5, NS6
		document.getElementById(id).style.display = 'block';
	}
	else {
		if (document.layers) { // Netscape 4
			document.id.display = 'block';
		}
		else { // IE 4
			document.all.id.style.display = 'block';
		}
	}
}

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_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 Plaatje(url){
	var w = 480, h = 340;
	
	if (document.all) {
   /* the following is only available after onLoad */
  	w = document.body.clientWidth;
  	h = document.body.clientHeight;
	}
	else if (document.layers) {
  	w = window.innerWidth;
 	h = window.innerHeight;
	}
	popW = 600;
	popH = 375;
	leftPos=(w)?(w-popW)/2:0;
	topPos=(h)?(h-popH)/2:0;

	window.open('../nl/view.html?id='+url,'popup','width=500,height=375,left='+leftPos+',top='+topPos+',toolbar=no,resizable=no,scrollbars=yes')
}
function removeFromCart (which, what) {
	formulier = document.forms['winkelwagenFormulier'];
	formulier['veld_aantal_' + which].value = 0;
	formulier['veld_aktie'].value = 'calculate';
	formulier.submit ();
}
function submitOrderForm (which) {
	formulier = document.forms['bestelFormulier'];
	formulier['artikel_id'].value = which;
	formulier['aantal'].value = formulier['veld_aantal_' + which].value;
	formulier.submit ();
}
function emptyShoppingCart () {
	formulier = document.forms['winkelwagenFormulier'];
	formulier['veld_aktie'].value = 'empty';
	formulier.submit ();
}
function calculateShoppingCart () {
	formulier = document.forms['winkelwagenFormulier'];
	formulier['veld_aktie'].value = 'calculate';
	formulier.submit ();
}
function submitControle () {
	formulier = document.forms['winkelwagenFormulier'];
	formulier['veld_aktie'].value = 'submitcontrole';
	formulier.submit ();
}

function twoPages (page1, page2) {
	top.content.location.href = page1;
	top.submenu.location.href = page2;
}
function submitOrderForm2 (which) {
	formulier = document.forms['bestelFormulier'];
	formulier.submit ();
}

function setGeel (id, name, total){
	for(i=1;i<=total;i++){
		if(document.getElementById('top' + i)){
			document.getElementById('top' + i).className = 'topnav';
		}
	}
	document.getElementById('top' + id).className = 'altijdgeel';
}