// JavaScript Document
function validateBijsluiter() {
var d = document.forms.form1;

  if (d.naam.value==""){
                alert('U bent vergeten om uw naam in te vullen!');
                d.naam.focus();
                return false;
 }
 
  if (d.email.value==""){
                alert('U bent vergeten om uw e-mailadres in te vullen!');
                d.email.focus();
                return false;
 }
        if (!isEmail(d.email.value)){
                window.alert("Uw e-mailadres adres is niet correct in gevuld!");
                d.email.focus();
                return false;
 }

 
 
  if (d.telefoonnummer.value==""){
                alert('U bent vergeten om uw telefoonnummer in te vullen!');
                d.telefoonnummer.focus();
                return false;
 }
 
 
 
 
   

 d.submit();
  
}

function validateBellMe() {
var d = document.forms.form2;

  if (d.naam.value==""){
                alert('U bent vergeten om uw naam in te vullen!');
                d.naam.focus();
                return false;
 }
 
   if (d.email.value==""){
                alert('U bent vergeten om uw e-mailadres in te vullen!');
                d.email.focus();
                return false;
 }
        if (!isEmail(d.email.value)){
                window.alert("Uw e-mailadres adres is niet correct in gevuld!");
                d.email.focus();
                return false;
 }


  if (d.telefoonnummer.value==""){
                alert('U bent vergeten om uw telefoonnummer in te vullen!');
                d.telefoonnummer.focus();
                return false;
 }
 
 
 
 

  if (d.vragen.value==""){
                alert('U bent vergeten om vragen / opmerkingen in te vullen!');
                d.vragen.focus();
                return false;
 }
 

 d.submit();
  
}

function validateBijsluiterENG() {
var d = document.forms.form3;

  if (d.naam.value==""){
                alert('Please fill out this field!');
                d.naam.focus();
                return false;
 }
 
  if (d.email.value==""){
                alert('Please fill out this field');
                d.email.focus();
                return false;
 }
        if (!isEmail(d.email.value)){
                window.alert("This is not a correct e-mail adress!");
                d.email.focus();
                return false;
 }

 
 
  if (d.telefoonnummer.value==""){
                alert('Please fill out this field!');
                d.telefoonnummer.focus();
                return false;
 }
 

 d.submit();
  
}

function validateBellMeENG() {
var d = document.forms.form4;

  if (d.naam.value==""){
                alert('Please fill out this field!');
                d.naam.focus();
                return false;
 }
 
   if (d.email.value==""){
                alert('Please fill out this field!');
                d.email.focus();
                return false;
 }
        if (!isEmail(d.email.value)){
                window.alert("This is not a correct e-mail adress!");
                d.email.focus();
                return false;
 }


  if (d.telefoonnummer.value==""){
                alert('Please fill out this field!');
                d.telefoonnummer.focus();
                return false;
 }
 
 
 
 

  if (d.vragen.value==""){
                alert('Please fill out this field!');
                d.vragen.focus();
                return false;
 }
 

 d.submit();
  
}


function isEmail(str) {
  // are regular expressions supported?
  var supported = 0;
  if (window.RegExp) {
    var tempStr = "a";
    var tempReg = new RegExp(tempStr);
    if (tempReg.test(tempStr)) supported = 1;
  }
  if (!supported)
    return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
  var r1 = new RegExp("(@.*@)|(\\.\\.)|(@\\.)|(^\\.)");
  var r2 = new RegExp("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$");
  return (!r1.test(str) && r2.test(str));
}