var output='<table class="terminy"><tr><th>liczba dni</th><th>od</th><th>do</th></tr>  <tr><td>14</td><td>2025-05-17</td><td>2025-05-31</td></tr>  <tr><td>337</td><td>2025-06-14</td><td>2026-05-17</td></tr>  </table>';