(function(w){
    // conditionally load hightlight.js /w sunburst css from cdn
    var codes = document.getElementsByTagName('code');
    if (codes.length > 0) {
        var css = document.createElement("link");
        css.setAttribute("rel", "stylesheet");
        css.setAttribute("type", "text/css");
        css.setAttribute("href", "https://d2xxklvztqk0jd.cloudfront.net/css/sunburst.css");
        document.getElementsByTagName("head")[0].appendChild(css);
        var js = document.createElement('script');
        js.setAttribute("type", "text/javascript");
        js.setAttribute("async", true);
        js.onload = function() { hljs.initHighlighting(); };
        js.setAttribute("src", "https://d2xxklvztqk0jd.cloudfront.net/js/highlight.js");
        var t = document.getElementsByTagName('script')[0]; t.parentNode.insertBefore(js, t);
    }

	// analytics code
	(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
			(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
			m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
		})(w,w.document,'script','//www.google-analytics.com/analytics.js','ga');
	ga('create', 'UA-9214337-4', 'auto');
	ga('send', 'pageview');

})(window);