https://mobiler-bootsbau-meister.de/media/mod_nano_gmaps/js/mod_nano_gmaps.js

1(function(){
2	document.addEventListener("DOMContentLoaded", function(){
3		var gMapsContainer = document.getElementById('nano_gMaps');
4		var gMapsButton = document.getElementById('nano_gMapsButton');
5		gMapsButton.addEventListener('click', function(){
6			var gMapsIFrame = document.createElement('iframe');
7			gMapsIFrame.classList.add('gMaps');
8			gMapsIFrame.setAttribute('src', gMapsButton.getAttribute('data-src'));
9			gMapsIFrame.setAttribute('allowfullscreen', 'allowfullscreen');
10			gMapsIFrame.setAttribute('height',  gMapsButton.getAttribute('data-height'));
11			gMapsIFrame.style.border = 0;
12			gMapsIFrame.style.width = '100%';
13			gMapsContainer.innerHTML = gMapsIFrame.outerHTML;
14		});
15	});
16})();