#4 Selecting a Course

[Guang Xin]

click on the course title to show the list of seminars
instead of the course stat. Click again to close it.
course stat should only be show via the menu
command.

- Rather than follow Vanessa's suggestion to show the
list of seminars on the right pane, the list should be
show underneath the course title like it is now and the
right pane can stay unchanged