Greeg Zagrelov

var inputName = document.querySelectorAll('[name="where"]');

if (inputName) {
    inputName.forEach(function(el) {
        el.addEventListener('change', changeSlide);

    });
}

function changeSlide(evt) {
    var dataForm = evt.target.dataset.form;
    if (document.querySelector('.d-block')) document.querySelector('.d-block').classList.remove('d-block');
  
    var form = document.querySelector("#" + dataForm);
    form.classList.add('d-block');
}