var output='<table class="terminy"><tr><th>liczba dni</th><th>od</th><th>do</th></tr>  <tr><td>8</td><td>2025-07-01</td><td>2025-07-09</td></tr>  <tr><td>1</td><td>2025-07-13</td><td>2025-07-14</td></tr>  <tr><td>8</td><td>2025-08-10</td><td>2025-08-18</td></tr>  <tr><td>312</td><td>2025-08-23</td><td>2026-07-01</td></tr>  </table>';