Two state launcher

[Nikola Pizurica]

First I wanna say that I'm impressed with XFce4. It has eye-candy
without bloat. I had to go away from my beloved BeOS, but this is very,
very nice.
Now, the question.
I want to know if two-state-launcher can be used for, for example,
mounting and unmounting. I want to use it for mounting of my usb disk.
If I put "mount -t vfat /dev/sda1 /mnt/usb" in "Command" field, how to
un-mount?
Also, I want to use it for dialing my ISP.

Regards,
Nikola