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_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_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_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function validateform() {
		var ms = "\n";
		var minlength = 4;
		var invalid = " "; // Un espacio es un caracter invalido
		var naam = document.form.naam;
		var voornaam = document.form.voornaam;
		var adres = document.form.adres;
		var postcode = document.form.postcode;
		var woonplaats = document.form.woonplaats;
		var land = document.form.land;
		var email = document.form.email;
		var vragen = document.form.vragen;
		var contact = document.form.contact;
		var letras = /[abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ]/;
		var chiffras = /[0\1\2\3\4\5\6\7\8\9\.]/;		

	if (naam.value == '') {
		alert(ms + 'Naam verplicht in te vullen.');
		naam.focus();
		return false;
	}

	if (voornaam.value == '') {
		alert(ms + 'Voornaam verplicht in te vullen.');
		voornaam.focus();
		return false;
	}

	if (adres.value == '') {
		alert(ms + 'Adres verplicht in te vullen.');
		adres.focus();
		return false;
	}

	if (postcode.value == '') {
		alert(ms + 'Postcode verplicht in te vullen.');
		postcode.focus();
		return false;
	}

	if (woonplaats.value == '') {
		alert(ms + 'Woonplaats verplicht in te vullen.');
		woonplaats.focus();
		return false;
	}

	if (land.value == '') {
		alert(ms + 'Land verplicht in te vullen.');
		land.focus();
		return false;
	}

	if (email.value == '') {
		alert(ms + 'Emailadres verplicht.');
		email.focus();
		return false;
	}
	
	if (email.value != '') {
		var pospunt = email.value.indexOf("@");
		if (pospunt <= 0) {
			alert(ms + 'Ongeldig emailadres.');
			email.focus();
			return false;
		} 
	}
		
}

var fotoRootDtv = '../../pictures/woning/medium';
var fotoRootDtvHref = '../../pictures/woning/large';
var fotoRootAa = '../../pictures/woning/large';

function showAaPicture(id, filename) {
 var pic = document.getElementById('picture'+id);
 pic.src = fotoRootAa+'/m/'+filename;
 var piclink = document.getElementById('picturelink'+id);
 piclink.href = fotoRootAa+'/org/'+filename;
}
function showDtvPicture(id, filename) {
 var pic = document.getElementById('picture'+id);
 pic.src = fotoRootDtv+'/'+filename;
 var piclink = document.getElementById('picturelink'+id);
 piclink.href = fotoRootDtvHref+'/'+filename;
}
function pictureWindowAa(id, url) {
 myWindow = window.open(url, "bigpicture", "width=630,height=535,menubar=no,location=no,status=no,toolbar=no,scrollbars=yes,screenX=50,screenY=50");
 myWindow.focus();
 return false;
}
function pictureWindowDtv(id, url) {
 myWindow = window.open(url, "bigpicture", "width=800,height=600,menubar=no,location=no,status=no,toolbar=no,scrollbars=yes,screenX=50,screenY=50");
 myWindow.focus();
 return false;
}
function pictureWindowReference(url) {
 myWindow = window.open(url, "bigpicture", "width=600,height=450,menubar=no,location=no,status=no,toolbar=no,scrollbars=yes,screenX=50,screenY=50");
 myWindow.focus();
 return false;
}
function pictureWindowRef(id, url, label) {
 myWindow = window.open("", "bigpicture", "width=800,height=600,menubar=no,location=no,status=no,toolbar=no,scrollbars=yes,screenX=50,screenY=50");
 myWindow.document.write("<TITLE>" + label + "</TITLE>")
 myWindow.document.write("<BODY BGCOLOR=#F2F1ED>")
 myWindow.document.write("<p style=''></p>")
 myWindow.document.write("<img src=" + url + ">")
 myWindow.document.write("</BODY>")
 myWindow.document.write("</HTML>")
 myWindow.document.close()
 myWindow.focus();
 self.name="main"
 return false;
}

// JK Pop up image viewer script- By JavaScriptKit.com
// Visit JavaScript Kit (http://javascriptkit.com)
// for free JavaScript tutorials and scripts
// This notice must stay intact for use

var popbackground="#F2F1ED" //specify backcolor or background image for pop window
var windowtitle="detailweergave afbeelding"  //pop window title

function detectexist(obj){
return (typeof obj !="undefined")
}

function jkpopimage(imgpath, popwidth, popheight, textdescription){

function getpos(){
leftpos=(detectexist(window.screenLeft))? screenLeft+document.body.clientWidth/2-popwidth/2 : detectexist(window.screenX)? screenX+innerWidth/2-popwidth/2 : 0
toppos=(detectexist(window.screenTop))? screenTop+document.body.clientHeight/2-popheight/2 : detectexist(window.screenY)? screenY+innerHeight/2-popheight/2 : 0
if (window.opera){
leftpos-=screenLeft
toppos-=screenTop
}
}

getpos()
var winattributes='width='+popwidth+',height='+popheight+',resizable=yes,left='+leftpos+',top='+toppos
var bodyattribute=(popbackground.indexOf(".")!=-1)? 'background="'+popbackground+'"' : 'bgcolor="'+popbackground+'"'
if (typeof jkpopwin=="undefined" || jkpopwin.closed)
jkpopwin=window.open("","",winattributes)
else{
//getpos() //uncomment these 2 lines if you wish subsequent popups to be centered too
//jkpopwin.moveTo(leftpos, toppos)
jkpopwin.resizeTo(popwidth, popheight+30)
}
jkpopwin.document.open()
jkpopwin.document.write('<html><title>'+windowtitle+'</title><body '+bodyattribute+'><img src="'+imgpath+'" style="margin-bottom: 0.5em"><br><font face="Verdana, Arial, Helvetica, sans-serif" style="font-size:8pt;color:#730302;font-weight:bold">'+textdescription+'</font></body></html>')
jkpopwin.document.close()
jkpopwin.focus()
}