dolphin and super user mode

I have opensuse 11.1 64 bit installed.
I’m logged in KDE as a normal user:
Starting dolphin in super user mode doesn’t work ==> no content is displayed
If I start it in a terminal konsole via the command

kdesu dbus-launch dolphin

Then I can see all contents but trying to open a file with a dedicated program give an error >:(

KDEInit could not launch ‘/usr/bin/ark’.

So I need to log as root for some task
Is there a solution?


kdesu kwrite /etc/fstab

or install the kde3 supperuser file manager for k