I guess that's because I still have no dives recorded in this file but it would be better to handle this case correctly...
java.lang.NullPointerException
at net.sf.jdivelog.gui.MainWindow.startSlideshow(Unknown Source)
at net.sf.jdivelog.gui.MainWindow.actionPerformed(Unknown Source)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2012)
at...
2012-03-12 10:25:12 PDT in JDiveLog
