[urss] show/hide urss toolbar doesn't work

[zebul666]

hello,
i am rather pleased and happy to finally find a simple rssreader for 
mozilla: URSS

(strange pun only for the French because in french urss means ussr !)

i wanted to use only the sidebar and don't need anymore the toolbar.
But i can't make it disappear with View->Show/Hide->urss toolbar.

Maybe it is not a bug of urss but one of mozilla because i use mozilla 
1.7rc3 on linux ( which to my great dispair has some nasty bug -sight-)