function Edit(clas) {
    let obj = document.getElementsByClassName(clas);
    let data = new FormData();
    if (obj[2].querySelector('input').value == 'edit') {
        obj[1].innerHTML = '<input type="text" style="width: 100px;" value="' + obj[1].textContent + '">';
        obj[2].querySelector('input').value = 'ok';
    }
    else {
        let value = {};
        value.login = obj[0].textContent;
        value.pwd = obj[1].querySelector('input').value;
        let xhr = new XMLHttpRequest();
        data.append('value', JSON.stringify(value));
        xhr.onreadystatechange = function() {
            if (this.readyState == 4 && this.status == 200) {
                obj[1].innerHTML = this.response[1];
                obj[2].querySelector('input').value = 'edit';
            }
        };
        xhr.open('POST', 'cible/admin.php', true);
        xhr.responseType = 'json';
        xhr.send(data);
    }
}