var prelandId = getURLParameter('c');
    var adUnitId = getURLParameter('u');

    function getURLParameter(name) {
      return decodeURIComponent(
        (RegExp(name + '=' + '(.+?)(&|$)').exec(location.search) || [, null])[1] || ''
      );
    }

    function checkReferer() {
      const referrer = document.referrer;
      const currentUrl = location.href;
      return referrer && currentUrl !== referrer;
    }

    function realImpression() {

      const isActionTriggered = sessionStorage.getItem('realImpression')
      const isReferrer = checkReferer();

      if (!isActionTriggered && isReferrer) {
        let pixelImg_1 = document.createElement('img');
        pixelImg_1.src = 'https://locusflourishgarlic.com/pixel/preland?c=' + prelandId + '&e=1&u=' + adUnitId;
        console.log(pixelImg_1.src);
        pixelImg_1.style.display = 'none';
        document.body.appendChild(pixelImg_1);

        sessionStorage.setItem('realImpression', true)
        console.log('realImpression');
      }
    }

    function prelandAction(evt) {

      evt.preventDefault();

      const isActionTriggered = sessionStorage.getItem('prelandAction')
      const isReferrer = checkReferer();

      if (!isActionTriggered && isReferrer) {
        let pixelImg_2 = document.createElement('img');
        pixelImg_2.src = 'https://locusflourishgarlic.com/pixel/preland?c=' + prelandId + '&e=2&u=' + adUnitId;
        console.log(pixelImg_2.src);
        pixelImg_2.style.display = 'none';
        document.body.appendChild(pixelImg_2);
        brAction = null;
        brAction = function () { }
        sessionStorage.setItem('prelandAction', true)
        console.log('prelandAction');
      }

      setTimeout(() => {
        var thisLink = evt.target.closest('.finlink').href;
        window.location.href = thisLink;
      }, 500);

    }

    setTimeout(() => {
      brAction = null;
      brAction = function () { }
    }, 4000);

    function brAction() {
      const isActionTriggered = sessionStorage.getItem('brAction')
      const isReferrer = checkReferer();

      if (!isActionTriggered && isReferrer) {
        let pixelImg_3 = document.createElement('img');
        pixelImg_3.src = 'https://locusflourishgarlic.com/pixel/preland?c=' + prelandId + '&e=3&u=' + adUnitId;
        console.log(pixelImg_3.src);
        pixelImg_3.style.display = 'none';
        document.body.appendChild(pixelImg_3);
        console.log('brAction');
        sessionStorage.setItem('brAction', true)
      }
    }


    function befUnlFunc(e) {
      e.preventDefault();
      brAction();
      console.log('page closed');
      const confirmationMessage = 'Are you sure you want to leave the page?';
      e.returnValue = confirmationMessage;
      return confirmationMessage;
    }
    window.addEventListener('beforeunload', befUnlFunc);