+function updateTrackInfo() {
+ document.getElementById("trackLengthNum").textContent = calcTrackLength().toFixed(1);
+ var duration = calcTrackDuration();
+ var durationM = Math.round(duration/60);
+ var durationH = Math.floor(durationM/60); durationM = durationM - durationH * 60;
+ document.getElementById("trackDurationH").style.display = durationH ? "inline" : "none";
+ document.getElementById("trackDurationHNum").textContent = durationH;
+ document.getElementById("trackDurationMNum").textContent = durationM;
+}
+