+ song.currentTime = starttime;
+
+ // Translate seconds to timecode
+ secs = Math.floor(endtime % 60);
+ if (secs < 10) secs = '0' + secs;
+
+ document.getElementById('b').innerHTML =
+ Math.floor(endtime / 60) + ':' + secs;
+
+ bscrollpoint = window.pageYOffset;