Coffeescript version of the Countdown.js timer script

countdown.coffee

###
Countdown.coffee is the coffeescript version of the countdown.js timer script.
Thanks to js2coffee.org
###
countdown = (minutes) ->
  tick = ->
    
    #This script expects an element with an ID = "counter". You can change that to what ever you want. 
    counter = document.getElementById("counter")
    current_minutes = mins - 1
    seconds--
    counter.innerHTML = current_minutes.toString() + ":" + ((if seconds < 10 then "0" else "")) + String(seconds)
    if seconds > 0
      setTimeout tick, 1000
    else
      countdown mins - 1  if mins > 1
  seconds = 60
  mins = minutes
  tick()

#You can use this script with a call to onclick, onblur or any other attribute you would like to use. 
countdown n #where n is the number of minutes required.