right click upper pannel in the middle empty space.
click add to pannel
click "custom application launcher"
In the name part, type
in comment part, type
Code:
this opens any file/folder as root for you
in the command part, type
Code:
gksudo "gnome-open %u"
click the icon button and choose a good one.
this will add a launcher in the middle of your upper gnome pannel.
drag/drop a file in it and it will open as root user after asking for a password.
if you drag and drop any folder into it, it will also open as root user.
you can navigate to any file in it and do any action.
remember, the root user can do anything he likes. so be careful.
remember to close the window when done.
Beware: Root user often compromises security in the hands of n00bs