forumjump menu in navbar

[culthero]

i'd like to show the forumjump menu not only on the bottom of the pages, but also at the top, so i have to add it to the navbar template.
in the other templates, it's nothing more than "$forumjump", so i added this to the navbar template too - and it works fine in some pages (threaddisplay, members list, user cp), but not on the other pages.
can anyone tell me why, and what i have to do?
thanks!

the link to my forum is http://www.musicportal.org/forum/