document.addEventListener("DOMContentLoaded", function () {
  let isShownPromotion = sessionStorage.getItem("isShownPromotion"); // Check sessionStorage
  if (!isShownPromotion || isShownPromotion === "false") {
    sessionStorage.setItem("isShownPromotion", "true"); // Set to true

    setTimeout(function () {
      var modalHTML = `
                <div id="janBrModal" class="modal fade" tabindex="-1" role="dialog">
                  <div class="modal-dialog" role="document">
                    <div class="modal-content">
                      <div class="modal-header">
                        <button type="button" class="close" data-dismiss="modal" aria-label="Close">
                          <span aria-hidden="true">×</span>
                        </button>
                      </div>
                      <div class="modal-body">
                      <a href="/jansan-and-breakroom-best-sellers?sort=item_live_price%3A1&p=1" >
                        <img src="https://us.evocdn.io/dealer/1321/content/media/My_Theme/images/promo-janitorial-breakroom-v2.png"/> 
                      </a>
                      </div>
                    </div>
                  </div>
                </div>`;

      document.body.insertAdjacentHTML("beforeend", modalHTML);
      $("#janBrModal").modal("show");
      $("#janBrModal").on("hidden.bs.modal", function () {
        $(this).remove();
      });
    }, 3000);
  }
});