-- Start Quicktime Pro 7 Recorder.
-- Define Recorder Settings inside QT Pro Recorder Preferences
-- Mods by GT-DVR

tell application "QuickTime Player"
activate

do shell script "sleep " & (2)

tell application "System Events"
tell application process "QuickTime Player"
click menu item "New Movie Recording" of menu "File" of menu bar item "File" of menu bar 1
keystroke return
-- hide quicktime player while recording
click menu item "Hide QuickTime Player" of menu "QuickTime Player" of menu bar item "QuickTime Player" of menu bar 1
end tell
end tell
end tell

-- Stop Quicktime Pro 7 Recorder.
-- Define Recorder Settings inside QT Pro Recorder Preferences
-- Mods by GT-DVR

tell application "QuickTime Player"
activate
do shell script "sleep " & (2)
tell application "System Events"
tell application process "QuickTime Player"
keystroke return
do shell script "sleep " & (2)
-- hide quicktime player after recording
click menu item "Hide QuickTime Player" of menu "QuickTime Player" of menu bar item "QuickTime Player" of menu bar 1
end tell
end tell
end tell

It is a little easier and simpler!

Have fun,
Goodtime