Code
; When mIRC is started, this event will trigger.
On *:START: {

  ; Announce to the status window that we will auto-connect in 5 seconds.
  echo 3 -s *** CONNECTING IN 5 SECONDS. HOLD SHIFT to ABORT.

  ; Check if the SHIFT key is being held down, if so, stop the script using 'return'.
  if ($mouse.key & 4) { echo 4 -s *** SHIFT key detected: Auto-connect aborted! | return }

  ; Otherwise, create a timer to start auto connecting in 5 seconds.
  .timerSTARTCONNECT 1 5 startconnect
}

; Alias that the above timer calls after 5 seconds.
ALIAS startconnect {

  ; Check again if the SHIFT key is being held down, if so, stop the script.
  if ($mouse.key & 4) { echo 4 -s *** SHIFT key detected: Auto-connect aborted! | return }

; basic template of the 'server' command.
; server    $server  -i $mnick $anick $email $fullname  -jn #chan1,#chan2,#chan3,etc

  ; Connect to 4 IRC servers.  The first line utilizes the primary status window.
  ; The -m switch in the subsequent commands creates new status windows for multiple connections.
  ; Type /help /server to learn more about these parameters used.
  server    efnet +9999  -i Raccoon Raccoon` racc@- I am Raccoon  -jn #mIRC,#irchelp,#efnet
  server -m freenode     -i Raccoon Raccoon` racc@- I am Raccoon  -jn ##mIRC,#irchelp,#freenode
  server -m irc.mircscripts.net +6697  -i Raccoon Raccoon` racc@- I am Raccoon  -jn #mirc,#chat,#help
  server -m irc.swiftirc.net +6697     -i Raccoon Raccoon` racc@- I am Raccoon  -jn #msl,#help

}

Well. At least I won lunch.
Good philosophy, see good in bad, I like!