Tiny cookie getter/setter javascript/coffee-script

stuff.coffee

cookie = (name, value) ->
  if name and value
    document.cookie = "#{name}=#{value};"
    return value
  else
    out = {}
    for cookie in document.cookie.split ";"
      pair = cookie.split "="
      out[pair[0]] = pair[1]
    return (if name? then out[name] else out)