$(document).ready(function() {
  var triggered = false;
  var form = $('form#accon_login_form');
  if(form.length == 1) {
    $(form[0]).submit();
  }
  delete form;

  var form = $('form').select('#login_form');
  if(form.length == 1) {
    $(form).submit(function() {
      if($('input#user_username').val() == '' || $('input#user_password').val() == '') {
        if(triggered == false) { triggered = true; triggerError('Een of meerdere verplichte velden zijn niet ingevuld!'); }
        return false;
      }
    });
  }
  delete form;

  var form = $('form').select('#enroll_form');
  if(form.length == 1) {
    $(form).submit(function() {
      if($('input#user_name').val() == '' || $('input#user_education').val() == '' || $('input#user_email').val() == '' || $('input#user_phone').val() == '') {
        if(triggered == false) { triggered = true; triggerError('Een of meerdere verplichte velden zijn niet ingevuld!'); }
        return false;
      }
    });
  }
  delete form;
});

function triggerError(error) {
  $('form').before('<div class="message error">' + error + '</div>');
}