[openbox] window decorations

[Globe Trotter]

Hello, 

I am new to openbox and am trying to see if I can make my
 own window decorations. Is this possible? I am looking to modify 
something like the following (I found this in fluxbox):


http://www.fluxbox.org/screenshots/screenshots_full/screenshot_zan.png

Is this sort of window decor possible using openbox? If so, where would I get pointers. 


Thanks very much!
GT