Nu heb ik het volgende bedacht, integratie:
<div id="ad-div" data-adid="F-0001" data-pub="0001"></div>
<script src="http://www.website.nl/banner/js/ad.js"></script>
ad.js
function maakad(adid){
document.getElementById('ad-div').innerHTML = '<iframe src="http://www.website.nl/banner/html5/banner.php" data-adid="'+adid+'" id="ad-00"></iframe>';
}
banner.php
<!DOCTYPE html>
<html lang="nl-NL">
<head>
<meta charset="UTF-8" />
<title>Banner</title>
<meta name="viewport" content="width=device-width, initial-scale=1" />
<meta name="viewport" content="width=device-width, user-scalable=no" />
<style>
.banner { position: relative; color: #FFFFFF; background: #21561a; overflow: hidden; }
.banner h1 { position: absolute; font-weight: 300; top: -40px; right: 10px; font-size: 2em; z-index: 4; text-shadow: 0 0 6px #000000, 0 0 6px #000000; }
</style>
</head>
<body>
<div class="banner">
<h1>ik ben een banner</h1>
</div>
</body>
</html>