Help Expected end of line, etc. but found end of script.

here is the sctipt ive tried to write, its not finished so some of the things my seem a bit weird at the moment but here it is as it stands

 

global okflag

set okflag to false

set front_app to (path to frontmost application as Unicode text)

 

-- check if iTunes is running

tell application "System Events"

          if process "iTunes" exists then

                    set okflag to true --iTunes is running

          end if

end tell

 

if okflag is true then

 

          set Timer to ""

  display dialog "Sleep Time (Minutes)" default answer Timer buttons {"Cancel", "OK"} default button 2

          set Timer to text returned of the result

 

          delay Timer * 60

 

          tell application "iTunes"

                    set currentVolume to the sound volume

                    if (player state is playing) then

                              repeat

                                        --Fade down

                                        repeat with i from currentVolume to 0 by -1

                                                  set the sound volume to i

                                                  delay 1

                                        end repeat

                                        pause

                                        --Restore original volume

                                        set the sound volume to currentVolume

                                        exit repeat

                              end repeat

 

                    if okflag is false then

 

                    display dialog "iTunes not playing" buttons {"OK"} default button 1 with icon stop

 

                    end if

                    end

 

it doesnt seem to work after the tell "iTunes part i copied and pasted from another applescript

(the purple text)

View the original article here