function MM_validateForm() { //v4.4 by Niels - DropDown Check + Radiobutton Check, v4.2 by Rinus
  var i,p,r,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=MM_findObj(args[i]);
     if (test.indexOf('isCheckbox')!=-1) { 
        if (MM_findObj(args[i]).checked==false) { errors+='- '+MM_findObj(args[i]).name+' is niet aangevinkt.\n'; MM_findObj(args[i]).style.backgroundColor='EEE'; }
     }else if (test.indexOf('isDropDown') != -1){if(MM_findObj(args[i]).selectedIndex == 0){errors += "- "+MM_findObj(args[i]).name +' is geen item geselecteerd\n';MM_findObj(args[i]).style.backgroundColor='EEE';}
    }else if(test.indexOf('isRadio') != -1){
        var qr; var aantalnietdoorlopen;
        for( qr = 0; qr < MM_findObj(args[i]).length; qr++ ){if( MM_findObj(args[i])[qr].checked == true ){ val = MM_findObj(args[i])[qr].value;}else{ aantalnietdoorlopen++;}
        }
        if(val == "[object NodeList]" || val == "[object]"){errors += "- "+MM_findObj(args[i]) + " heeft geen waardie die geselecteerd is.";for( qr = 0; qr < MM_findObj(args[i]).length; qr++ ){MM_findObj(args[i])[qr].style.backgroundColor = "FFCB2D";}
        }
    }else if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        r=val.indexOf('.');
        if (p<1 || r<1 || p==(val.length-1)) {MM_findObj(nm).style.backgroundColor='#FFCB2D'; MM_findObj(nm).value='geen geldig e-mail adres'; errors+='- '+nm+' bevat geen geldig e-mail adres.\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') {MM_findObj(nm).style.backgroundColor='#FFCB2D'; errors += '- '+nm+' is niet ingevuld.\n';} }
  } //if (errors) alert('De volgende problemen zijn gevonden:\n'+errors);
    //if(navigator.appName != "Microsoft Internet Explorer") { alert('De volgende problemen zijn gevonden:\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_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_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 validateContact(){
    MM_validateForm('naam','','R','voornaam','','R','geboortedatum','','R','email','','RisEmail');
    if(document.MM_returnValue){
        url = document.location;
        document.aspnetForm.action = url;
        document.aspnetForm.submit();
    }
}

function validateWijzigingsformulier(){
    MM_validateForm('naamOud','','R','naamNieuw','','R','adresOud','','R','adresNieuw','','R','postcodeOud','','R','postcodeNieuw','','R','woonplaatsOud','','R','woonplaatsNieuw','','R','telefoonnummerOud','','R','telefoonnummerNieuw','','R','emailOud','','RisEmail','emailNieuw','','RisEmail','geboortedatumOud','','R','geboortedatumNieuw','','R','ingangwijziging','','R');
    if(document.MM_returnValue){
        url = document.location;
        document.aspnetForm.action = url;
        document.aspnetForm.submit();
    }
}

function validateReactieFormulier(){
    MM_validateForm('voorlettersennaam','','R','achternaam','','R','email','','RisEmail');
    if(document.MM_returnValue){
        url = document.location;
        document.aspnetForm.action = url;
        document.aspnetForm.submit();
    }
}

function validateTegeltjeBestelFormulier(){
    MM_validateForm('voorlettersennaam','','R','adres','','R','postcode','','R','woonplaats','','R','rekeningnummer','','R','email','','RisEmail','aantalTegeltjes','','R','machtigingAkoord','','RisCheckbox');
    
    if(document.MM_returnValue){
        url = document.location;
        document.aspnetForm.action = url;
        document.aspnetForm.submit();
    }
}

function validateZesKampFormulier(){
     MM_validateForm('teamnaam','','R',
                    'captain_naam','','R', 'captain_leeftijd','','R',
                    'naam_1','','R', 'leeftijd_1','','R',
                    'naam_2','','R', 'leeftijd_2','','R',
                    'naam_3','','R', 'leeftijd_3','','R',
                    'naam_4','','R', 'leeftijd_4','','R',
                    'naam_5','','R', 'leeftijd_5','','R',
                    'naam_6','','R', 'leeftijd_6','','R',
                    'naam_7','','R', 'leeftijd_7','','R',
                    'voorlettersennaam','','R',
                    'adres','','R',
                    'postcode','','R',
                    'woonplaats','','R',
                    'rekeningnummer','','R',
                    'email','','RisEmail',
                    'machtiging','','RisCheckbox');
    
    if(document.MM_returnValue){
        var aantaloudGenoeg = 0;
        var teller = 1; 
    
        while(teller <= 10){
            if(MM_findObj("leeftijd_" + teller)){
                var obj = MM_findObj("leeftijd_" + teller);
                var leeftijd = obj.value;
                if(parseFloat(leeftijd) >= 16) aantaloudGenoeg++;
            }
            teller++;
        }
        if(aantaloudGenoeg >= 5){
            url = document.location;
            document.aspnetForm.action = url;
            document.aspnetForm.submit();
        }else{
            alert("Er dienen minimaal 5 mensen 16 jaar of ouder te zijn.");
        }
    }
}

function berekenTegeltjesprijs(obj, prijs, target){    
    if(isNaN(obj.value * 1))
        obj.value = 1;
        
    if(obj.value > 5)
        obj.value = 5;
    
    document.getElementById(target).innerHTML = "&euro; " + (obj.value * prijs);
}