Autohotkey script to compose a gmail message with timestamp

; Autohotkey script to compose a gmail message with a timestamp in place.
; Thanks to Christysandhoff in this comment on my blog:
; http://robertmarkbramprogrammer.blogspot.com.au/2011/02/insert-date-into-any-program-using.html#comment-542578019
; Macros here are only active if we are in Chrome
; Warning: the value "Chrome_WidgetWin_1" might change (it used to be Chrome_WidgetWin_0).
#IfWinActive, ahk_class Chrome_WidgetWin_1
   #.:: ;; Windows key + dot:
      ; Check if we are in the gmail tab.
      WinGetTitle, Window_Title, A ; A is for the active window
      IfInString, Window_Title, Gmail - Google Chrome
      {
         ; Compose (c), tab to message window, put timestamp + space then cursor up
         FormatTime, timestamp,, dddd d MMMM yyyy, hh:mm:ss tt
         SendInput, c{tab}{tab}%timestamp%{enter}{enter}{enter}{up}
         return
      }
   Return
#IfWinActive