Applescript to automount encrypted image

Automount Encrypted Image.scpt

(*
Automount Encrypted Image

This script monitors for a volume to be attached and upon detection, mounts an encrypted image on that volume

This folder action is intended to be used on /Volumes. When it's detected that /Volumes/<theVolume> is attached, it will automatically try to attach /Volumes/<theVolume>/<theEncryptedVolume>

Copyright © 2008-2009, Jon Nall, STUNTAZ!!!.

*)
on adding folder items to this_folder after receiving added_items
    
    set hdiutil to "/usr/bin/hdiutil"
    set theVolume to "GillSans"
    set theEncryptedImage to "GillSansUltraBold.sparsebundle"
    
    try
        tell application "Finder"
            repeat with theItem in added_items
                set theName to name of theItem
                if theName is equal to theVolume then
                    set thePath to POSIX path of theItem
                    set theCmd to hdiutil & " attach " & thePath & theEncryptedImage
                    do shell script theCmd
                end if
            end repeat
        end tell
    end try
end adding folder items to