Simple cookie interface

cookie.coffee

cookieStorage =
	'set': ( name, value, days ) ->
		expires = ''
		if days
			date = new Date
			date.setTime date.getTime( ) + ( days * 24 * 60 * 60 * 1000 )
			expires = "; expires=#{date.toGMTString( )}"

		document.cookie = "#{name}=#{value}#{expires}; path=/"

	'get': ( name ) ->
		nameEQ = "#{name}="
		cookies = document.cookie.split ';'

		for cookie in cookies
			while ' ' is cookie.charAt 0
				cookie = cookie.substring 1, cookie.length

			if 0 is cookie.indexOf nameEQ
				return cookie.substring nameEQ.length, cookie.length
		
		null
		
	'clear': ( name ) ->
		cookieStorage.set name, '', -1