The special feature is that the shutdown button is automatically selected and you don't have to focus it with your mouse; so you can close your system blind.
Code here ; save in texteditor, make executable and put in folder oblogout in usr/share and adapt shortcut in rc.xml
Put these images in folder img in folder oblogout:
with following names in order:
This last most left button means close oblogout, so is in fact a cancel button.
Create a symbolic link to /usr/bin:
[paul@archbang ~]$ sudo ln -s /usr/share/oblgout/oblogout /usr/bin/oblogout