function rndImage()
{
Pic = new Array();
Pic[0] = '/wp/images/header/headerimg1.jpg';
Pic[1] = '/wp/images/header/headerimg2.jpg';
Pic[2] = '/wp/images/header/headerimg3.jpg';
Pic[3] = '/wp/images/header/headerimg4.jpg';
Pic[4] = '/wp/images/header/headerimg5.jpg';
Pic[5] = '/wp/images/header/headerimg6.jpg';
Pic[6] = '/wp/images/header/headerimg7.jpg';
Pic[7] = '/wp/images/header/headerimg8.jpg';
Pic[8] = '/wp/images/header/headerimg9.jpg';
Pic[9] = '/wp/images/header/headerimg10.jpg';
Pic[10] = '/wp/images/header/headerimg11.jpg';
Pic[11] = '/wp/images/header/headerimg12.jpg';
Pic[12] = '/wp/images/header/headerimg13.jpg';
Pic[13] = '/wp/images/header/headerimg14.jpg';
Pic[14] = '/wp/images/header/headerimg15.jpg';
Pic[15] = '/wp/images/header/headerimg16.jpg';
Pic[16] = '/wp/images/header/headerimg17.jpg';
Pic[17] = '/wp/images/header/headerimg18.jpg';
Pic[18] = '/wp/images/header/headerimg19.jpg';
Pic[19] = '/wp/images/header/headerimg20.jpg';



var image = $('headerImg');
var limit = Pic.length;
var randImage = Math.floor(limit*Math.random());
    
image.setStyle({backgroundImage:'url('+Pic[randImage]+')'});
}
document.observe("dom:loaded", function() {
var parts= parseUri(window.location);
var first = parts['path'].split('/');
if (first.length)
switch (first[1] ) {
    case "home":
    case "":
    $('homebutton').style.backgroundColor = '#999999';
    $('homebutton').style.color= '#eeeeee';
    break;
    case "nieuws":
    $('nieuwsbutton').style.backgroundColor = '#999999';
    $('nieuwsbutton').style.color= '#eeeeee';
    break;
    case "vereniging":
    $('verenigingbutton').style.backgroundColor = '#999999';
    $('verenigingbutton').style.color= '#eeeeee';
    break;
    case "roeien":
    $('roeienbutton').style.backgroundColor = '#999999';
    $('roeienbutton').style.color= '#eeeeee';
    break;
    case "fotos":
    $('fotosbutton').style.backgroundColor = '#999999';
    $('fotosbutton').style.color= '#eeeeee';
    break;
}
});

function checkReserveringEten(obj) {
if(!$RF('mailformproform', 'date')) {
  alert("Je dient een geldige dag te kiezen.");
  return false;
}
  
if (!$("nPersonen").value.match(/^[0-9]+$/) || !$("nPersonenVegetarisch").value.match(/^[0-9]+$/)) {
  alert("Je dient een geldig aantal personen op te geven.");
  return false;
}
else if ((parseInt($("nPersonen").value, 10) + parseInt($("nPersonenVegetarisch").value, 10)) < 1) {
  alert("Je dient voor minimaal 1 persoon te reserveren.");
  return false;
}
//$('submit').simulate('click');
$('mailformproform').submitFunction();

}

function checkReserveringErgo(obj) {
if(!$RF('mailformproform', 'date')) {
  alert("Je dient een geldige dag te kiezen.");
  return false;
}
  
if (!$("numErgo").value.match(/^[0-9]+$/) || !$("numErgo").value.match(/^[0-9]+$/) ) {
  alert("Je dient een geldig aantal ergometers op te geven.");
  return false;
}

  if($("numErgo").value == 0){
    alert("Je dient een geldig aantal ergometers op te geven.");
    return false;
  }  
  
//$('submit').simulate('click');
$('mailformproform').submitFunction();

}

function $RF(el, radioGroup) {
    if($(el).type && $(el).type.toLowerCase() == 'radio') {
        var radioGroup = $(el).name;
        var el = $(el).form;
    } else if ($(el).tagName.toLowerCase() != 'form') {
        return false;
    }
 
    var checked = $(el).getInputs('radio', radioGroup).find(
        function(re) {return re.checked;}
    );
    return (checked) ? $F(checked) : null;
}