function toggle_visibility(id) {
    var e = document.getElementById(id);
    if(e.style.display == "none")
    e.style.display = "block";
    else
    e.style.display = "none";
}


//scroller width
var swidth=200

//scroller height
var sheight=60

//scroller's speed;
var sspeed=2

//var mymessage=''

function start(){
if (document.all) return
if (document.getElementById){
document.getElementById("slider").style.visibility="show"
ns6marquee(document.getElementById('slider'))
}
else if(document.layers){
document.slider1.visibility="show"
ns4marquee(document.slider1.document.slider2)
}
}
function ns4marquee(whichlayer){
ns4layer=eval(whichlayer)
//ns4layer.document.write(mymessage)
ns4layer.document.close()
sizeup=ns4layer.document.height
ns4layer.top-=sizeup
ns4slide()
}
function ns4slide(){
if (ns4layer.top>=sizeup*(-1)){
ns4layer.top-=sspeed
setTimeout("ns4slide()",100)
}
else{
ns4layer.top=sheight
ns4slide()
}
}
function ns6marquee(whichdiv){
ns6div=eval(whichdiv)
//ns6div.innerHTML=mymessage
ns6div.style.top=sheight
sizeup=sheight
ns6slide()
}
function ns6slide(){
if (parseInt(ns6div.style.top)>=sizeup*(-1)){
ns6div.style.top=parseInt(ns6div.style.top)-sspeed
setTimeout("ns6slide()",100)
}
else{
ns6div.style.top=sheight
ns6slide()
}
}


function MM_jumpMenu(targ,selObj,restore){ //v3.0
eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
if (restore) selObj.selectedIndex=0;
}


function validate_form1 ( )
{
    valid = true;

    if ( document.aanmeldform.firstname.value == "" ) {
    alert ( "SVP je voornaam ingeven!" );
    valid = false; }
    if ( document.aanmeldform.email.value == "" ) {
    alert ( "SVP je e-mail adres ingeven!" );
    valid = false; }
    if ( document.aanmeldform.mobilenumber.value.length < 12 ) {
    alert ( "Het ingegeven nummer is te kort!\nSVP ingegeven als +31612334545.\nDus incl. +31 en in totaal 12 posities." );
    valid = false; }
    return valid;
}

function validate_form ( )
{
    valid = true;

    if ( document.aanmeldform.firstname.value == "" ) {
    alert ( "SVP je voornaam ingeven!" );
    valid = false; }
    if ( document.aanmeldform.gender[0].checked == false && document.aanmeldform.gender[1].checked == false ) {
    alert ( "SVP je geslacht selecteren!" );
    valid = false; }
    if ( document.aanmeldform.postalcode.value == "" ) {
    alert ( "SVP je postcode ingeven!" );
    valid = false; }
    if ( document.aanmeldform.birthdate1.value == "" ) {
    alert ( "SVP je geboortedag selecteren!" );
    valid = false; }
    if ( document.aanmeldform.birthdate2.value == "" ) {
    alert ( "SVP je geboortemaand selecteren!" );
    valid = false; }
    if ( document.aanmeldform.birthdate3.value == "" ) {
    alert ( "SVP je geboortejaar selecteren!" );
    valid = false; }
    if ( document.aanmeldform.email.value == "" ) {
    alert ( "SVP je e-mail adres ingeven!" );
    valid = false; }
    if ( document.aanmeldform.mobilenumber.value.length < 12 ) {
    alert ( "Het ingegeven nummer is te kort!\nSVP ingegeven als +31612334545.\nDus incl. +31 en in totaal 12 posities." );
    valid = false; }
    if ( document.aanmeldform.provider.value == "" ) {
    alert ( "SVP je provider selecteren!" );
    valid = false; }
    if ( document.aanmeldform.servicetype[0].checked == false && document.aanmeldform.servicetype[1].checked == false ) {
    alert ( "SVP je abonnementsvorm selecteren!" );
    valid = false; }
    if ( document.aanmeldform.eula.checked == false ) {
    alert ( "SVP akkoord gaan met onze voorwaarden!" );
    valid = false; }
    return valid;
}

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) { //v6.0
  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])? args[i+1] : img.MM_up);
      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") {
    nbArr = document[grpName];
    if (nbArr)
      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])? args[i+1] : img.MM_up;
      nbArr[nbArr.length] = img;
  } }
}