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];}}
	loaded=true;
	//if(window.frames.subframe.loaded) window.frames.subframe.init();
}

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 mailnaar(naam, domein, tekst) {
	tekst=(typeof(tekst)=="undefined") ? naam+"@"+domein : tekst;
	document.write("<a href='mailto:" + naam + "@" + domein + "'>" + tekst + "</a>");
}

//tbv teller links
var req;
function telBanner(id){
	 if (window.XMLHttpRequest) {
        req = new XMLHttpRequest();
        req.open("GET", "includes/tel.php?id="+id);
        req.send(null);
    } else if (window.ActiveXObject) {
        req = new ActiveXObject("Microsoft.XMLHTTP");
        if (req) {
            req.open("GET", "includes/tel.php?id="+id);
            req.send();
        }
    }
}
function sendNbForm(){
	if(document.forms.nbform){
		f=document.forms.nbform;
		m=f.nbmail.value;
		n=f.nbnaam.value;
		var alertstring='';
		if(n.length<2) alertstring='u moet uw naam nog invullen\n';
		if(m.length<6) alertstring=alertstring+'u moet uw emailadres nog invullen';
		else if(!testMail(m)) alertstring=alertstring+'het emailadres '+m+' is niet geldig';
		if(alertstring.length>1) alert(alertstring);
		else {
			f.verzonden.value=2;
			f.submit();
		}
	}
}

function sendContactForm(){
	if(document.forms.contactform){
		f=document.forms.contactform;
		n=f.naam.value;
		t=f.tel.value;
		em=f.em.value;
		var alertstring='';
		if(n.length<1) alertstring='u moet uw naam nog invullen\n';
		if(em.length<1 && t.length<1) alertstring=alertstring+'u moet uw emailadres of telefoonnummer nog invullen';
		else if(!testMail(em)) alertstring=alertstring+'het emailadres '+em+' is niet geldig';
		if(alertstring.length>1) alert(alertstring);
		else {
			if(f.opm.value.length<1){
				if(confirm('U heeft nog geen reactie, vraag of opmerking ingevuld. Is dat OK?')){
					f.verzonden.value=3;
					f.submit();
				}
			}else{
				f.verzonden.value=3;
				f.submit();
			}
		}
	}
}
function validateMail(){
	if(document.forms.nbform){
		f=document.forms.nbform;
		m=f.nbmail.value;
		if(m.length<1) alert('het emailadres is een verplicht veld');
		else if(!testMail(m)) alert('het emailadres '+m+' is niet geldig');
	}
}
function testMail(email) {
	var regEmail = /^([\w-]+\.?)*\w+@([\da-zA-z-]+\.)+[a-zA-z]{2,4}$/
	return regEmail.test(email)
}
function sendZoekForm(){
	f=document.forms.zoekform;
	if(f.q.value) f.submit();
}