var output='<table class="terminy"><tr><th>liczba dni</th><th>od</th><th>do</th></tr>  <tr><td>6</td><td>2026-08-15</td><td>2026-08-21</td></tr>  <tr><td>3</td><td>2026-08-28</td><td>2026-08-31</td></tr>  <tr><td>321</td><td>2026-09-10</td><td>2027-07-28</td></tr>  </table>';