var cell_2 = row.insertCell(1);
        var el = document.createElement('select');
        el.lenght = 2;
        el.name = 'thema_aktion' + rowNum;
        el.id = 'row_name_id' + rowNum;
        el.size = 1;
        var status = new Array("A", "I");
        for (var i = 0; i < status.length; i++){
                el.options[el.length] = new Option(status[i], status[i]);
        }
        cell_2.appendChild(el);