iTerm: launch multiple sessions

gistfile1.scpt

-- An iTerm 2 launch script. Opens three terminal windows, 
-- logs them in to three different hosts, 
-- and cd's to a common directory.
--
-- Place in ~/Library/Application Support/iTerm/Scripts
--

global remoteDirectory
set remoteDirectory to "/my/project"

to launchLabSession(sessionName, hostname, directory)
	tell application "iTerm"
		activate
		
		set thisTerminal to (make new terminal)
		tell thisTerminal
			launch session "Default"
			set thisSession to current session
			tell thisSession
				set name to sessionName
				write text "ssh root@" & hostname
				delay 1
				write text "cd " & directory
			end tell
		end tell
	end tell
end launchLabSession

launchLabSession("source", "host1.lab", remoteDirectory)
launchLabSession("sync", "host2.lab", remoteDirectory)
launchLabSession("destination", "host3.lab", remoteDirectory)