Shortcut to Disks Window

[Devon7]

-- AppleScript nearly but not quite able to operate Disk Arbitrator - can you fix?
tell application "System Events"
	tell process "Disk Arbitrator"
		tell menu bar 1
			tell menu bar item "Disk Arbitrator"
				tell menu "Disk Arbitrator"
					tell menu item 2 -- unnamed but probably "Show Disks Window"
						click -- no apparent effect ever
					end tell
					tell menu item "About Disk Arbitrator"
						click -- no immediate visible effect but see below
					end tell
				end tell
			end tell
		end tell
	end tell
end tell
-- Now the next hardware click on the menu bar icon will bring up the version window instead of the menu.