Tk::Error: Can't call method "rooty" without a package or object
reference at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi/Tk/
Pane.pm line 256.
 Tk::Pane::yview at /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-
multi/Tk/Pane.pm line 256
 Tk::Derived::Delegate at /usr/lib/perl5/site_perl/5.8.8/i386-linux-
thread-multi/Tk/Derived.pm line 469
 Tk::Widget::__ANON__ at /usr/lib/perl5/site_perl/5.8.8/i386-linux-
thread-multi/Tk/Widget.pm line 322
 main::__ANON__ at ./multiScroll2.pl line 49
 Tk::Scrollbar::ScrlByPages at ../blib/lib/Tk/Scrollbar.pm (autosplit
into ../blib/lib/auto/Tk/Scrollbar/ScrlByPages.al) line 372
 Tk::Scrollbar::Select at ../blib/lib/Tk/Scrollbar.pm (autosplit
into ../blib/lib/auto/Tk/Scrollbar/Select.al) line 201
 Tk::Scrollbar::ButtonDown at ../blib/lib/Tk/Scrollbar.pm (autosplit
into ../blib/lib/auto/Tk/Scrollbar/ButtonDown.al) line 159
 <Button-1>
 (command bound to event)