var output='<table class="terminy"><tr><th>liczba dni</th><th>od</th><th>do</th></tr>  <tr><td>100</td><td>2025-04-03</td><td>2025-07-12</td></tr>  <tr><td>256</td><td>2025-07-21</td><td>2026-04-03</td></tr>  </table>';