endeavor-welcome-ad.html

<!-- In the welcome ad template, replace this block of code... -->

<script>
  var bgImagepath = window.location.protocol + "//" + window.location.hostname + "/sites/all/themes/penton_core_theme/images/ContentPillar_Welcome_1200.png";
  document.querySelector('#overlay-%%CACHEBUSTER%%').style.backgroundImage = 'url('+bgImagepath+')';
  var lpath1 = parent.document.getElementById("wl_flogop_div").innerHTML;
  console.log('logo_path->' + lpath1);
  document.querySelector('#white_logo-%%CACHEBUSTER%% > img').src = lpath1;
</script>

<!-- With this block of code... -->

<script>
  var bgElement = parent.document.querySelector('[data-interstitial-prop="bg-url"]');
  var bgImageUrl = bgElement ? bgElement.getAttribute('data-interstitial-value') : null;
  if (bgImageUrl) document.querySelector('#overlay-%%CACHEBUSTER%%').style.backgroundImage = 'url('+bgImageUrl+')';

  var logoElement = parent.document.querySelector('[data-interstitial-prop="logo-url"]');
  var logoImageUrl = logoElement ? logoElement.getAttribute('data-interstitial-value') : null;
  if (logoImageUrl) document.querySelector('#white_logo-%%CACHEBUSTER%% > img').src = logoImageUrl;
</script>