<script>
// Initialize variables from Visit/Visitor if needed
var source = Visit.acquisition.utmSource;
var revenue = Visit.postBackConversions.mostRecent.revenue;

var ifrm = document.createElement('iframe');
ifrm.setAttribute('id', 'ifrm');
document.body.appendChild(ifrm);

// Assign src url
ifrm.setAttribute('src', 'https://iapx.net/z/conv.php?utm_source=' + source + '&r=' + revenue);
</script>