Load inline manual async

inline_manual_async.js

	  (function() {
	    var d = false;
	    var tk = document.createElement('script');
	    tk.src = 'https://inlinemanual.com/embed/player.js';
	    tk.type = 'text/javascript';
	    tk.async = 'true';
	    var s = document.getElementsByTagName('script')[0];
	    s.parentNode.insertBefore(tk, s);
	  })();