Applescript to fix Messages application - close transcript window

Question

The new Messages application (which replaced iChat in Mountain Lion) has an annoying habit of opening a transcript window whenever the program is opened or the icon is clicked-on in the dock.
[When iChat was started, it simply opened the Buddy list.]
I'm assuming an Applescript could be used to automatically close the unnecessary Messages' transcript window (Command-zero does this).
The Applescript below throws the syntax error "Expected end of line but found identifier."
tell application "Messages"
          keystroke "0" using {command down}
end tell
Assistance with the Applescript would be appreciated.
Thanks!
P.S. In the preferences for Messages, there is an option to run an Applescript upon login - and that might be another option. That might provide a more elegant way to initiate the process of closing the window.

Answer 1

tell application "System Events" to tell process "Messages"
          tell menu "Window"
            click menu item "Buddies"
          end tell
end tell
I'm not familiar with Messages.app. However, under OS X 10.8.2, there doesn't seem to be any menu item named "Buddies" in the "Window" menu bar item of the Messages application.
tell application "Messages" to activate
tell application "System Events" to tell process "Messages"
    name of menu items of menu 1 of menu bar item "Window" of menu bar 1
end tell
--> {"Minimize", "Minimize All", "Zoom", "Zoom All", missing value, "Select Next Conversation", "Select Previous Conversation", missing value, "Messages", missing value, "File Transfers", "Contacts", missing value, "Bring All to Front", "Arrange in Front"}
Message was edited by: Pierre L.