Events will trigger at 10 seconds, 20 seconds, and 30 seconds. The audio track is blank, so you won't be hearing anything!
Here's the events.txt file contents:
u 00:00:10.0 00:00:20.0 &&info&&info2.html u 00:00:20.1 00:00:30.0 &&info&&javascript:openNewWindowCalledNewInfo("info3.html") u 00:00:30.1 00:00:40.0 &&NewInfo&&info4.html