$(document).ready(function() {
  $('#langswitch-form .form-submit').hide();
  $('#langswitch-form .form-select').change(function() {
    var select_index;
    selectBox = $(this);
    select_index = selectBox.val();
    if (select_index != '0') {
      selectBox.parent().next('.form-submit').click();
    }
  });
});