function MM_validateForm() { //v4.0
  if (document.getElementById){
    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=document.getElementById(args[i]);
      if (val) { nm=val.name.substring(4); if ((val=val.value)!="") {
        if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
          if (p<1 || p==(val.length-1)) errors+='- '+nm+' moet een geldig emailadres zijn.\n';
        } else if (test!='R') { num = parseFloat(val);
          if (isNaN(val)) errors+='- '+nm+' must contain a number.\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+' must contain a number between '+min+' and '+max+'.\n';
      } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is verplicht.\n'; }
    } if (errors) alert('De volgende fouten zijn waargenomen:\n'+errors);
    document.MM_returnValue = (errors == '');
} }

function MM_validateFormSubmit() { //v4.0
  if (document.getElementById){
    var i,p,q,nm,test,num,min,max,errors='',args=MM_validateFormSubmit.arguments;
    for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=document.getElementById(args[i]);
      if (val) { nm=val.name.substring(4); if ((val=val.value)!="") {
        if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
          if (p<1 || p==(val.length-1)) errors+='- '+nm+' moet een geldig emailadres zijn.\n';
        } else if (test!='R') { num = parseFloat(val);
          if (isNaN(val)) errors+='- '+nm+' must contain a number.\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+' must contain a number between '+min+' and '+max+'.\n';
      } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is verplicht.\n'; }
    } 
	
	if(document.getElementById("inp_email").value != document.getElementById("inp_email_herhaal").value) {
		errors += '- De ingevulde emailadressen komen niet overeen.\n';
	}
	
	if (errors) alert('De volgende fouten zijn waargenomen:\n'+errors);
    document.MM_returnValue = (errors == '');
} }

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) { //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];}
}

var xmlhttp;

function stateChanged() {
	if(xmlhttp.readyState == 4) {
		//document.getElementById("contactsContent").innerHTML = xmlhttp.responseText;
		//alert(xmlhttp.responseText)
		MM_swapImage('bldplattegrond','','beelden/plattegrond/'+ xmlhttp.responseText +'.gif',1)
	}
}

function GetXmlHttpObject() {
	if(window.XMLHttpRequest) {
		// code for IE7+, FireFox, Chrome, Opera, Safari
		return new XMLHttpRequest();
	}
	
	if(window.ActiveXObject) {
		// code for IE6, IE5
		return new ActiveXObject("Microsoft.XMLHTTP");
	}
	
	return null;
}


function updatePlattegrond() {
	var winkel = document.getElementById('example').value;
	
	if(winkel.length == 0 || winkel == 0) {
		document.getElementById("example").value = "";
		return;
	}
	
	xmlhttp = GetXmlHttpObject();
	
	if(xmlhttp == null) {
		alert("Your browser does not support XML HTTP Request");
		return;
	}
	
	winkel = winkel.replace("&", "-en-");
	
	var url = "/getWinkelId.php";
	url = url + "?winkel=" + winkel;
	url = url + "&sid=" + Math.random();
	
	//alert (url);
	
	xmlhttp.onreadystatechange = stateChanged;
	xmlhttp.open("GET",url,true);
	xmlhttp.send(null)
	
}

function clearValue(value) {
	if(value == 'emailadres') {
		document.frm_nieuwsbrief.inp_emailadres.value = '';
	}
}