u 00:00:10.0 00:00:59.9 http://www.voxcafe.cz/data/webcast/slide1.html
u 00:01:00.0 00:02:30.0 http://www.voxcafe.cz/data/webcast/slide2.html
u 00:02:31.0 00:03:00.0 http://www.voxcafe.cz/data/webcast/slide3.html