document.addEventListener("DOMContentLoaded", function() {

	var transport_protocol = "";
	
	if (performance && performance.timing.nextHopProtocol) {
	    transport_protocol = performance.timing.nextHopProtocol;
	} else if (window.chrome && window.chrome.loadTimes) {
	    transport_protocol = window.chrome.loadTimes().connectionInfo;
	} else {
	  var p = performance.getEntriesByType("resource");
	  for (var i = 0; i < p.length; i++) {
		var value = "nextHopProtocol" in p[i];
		  if (value)
		    transport_protocol = p[i].nextHopProtocol;
	 }
	}
	   
	if (transport_protocol === "h2")
		document.getElementById("transport").innerHTML = "<img src=\"/http2.png\">";

}, false);
