cookie : function (key, value, options) {

            var days, time, result, decode;

            // A key and value were given. Set cookie.

            if (arguments.length > 1 && String(value) !== "[object Object]") {

                // Enforce object

                options = extend({}, options);

                if (value === null || value === undefined){ options.expires = -1; }

                if (typeof options.expires === 'number') {

                    days = (options.expires * 24 * 60 * 60 * 1000);

                    time = options.expires = new Date();

                    time.setTime(time.getTime() + days);

                }

                value = String(value);

                return (document.cookie = [

                    encodeURIComponent(key), '=',

                    options.raw ? value : encodeURIComponent(value),

                    options.expires ? '; expires=' + options.expires.toUTCString() : '',

                    options.path ? '; path=' + options.path : '',

                    options.domain ? '; domain=' + options.domain : '',

                    options.secure ? '; secure' : ''

                ].join(''));

            }

            // Key and possibly options given, get cookie

            options = value || {};

            decode = options.raw ? function (s) { return s } : decodeURIComponent;

            return (result = new RegExp('(?:^|; )' + encodeURIComponent(key) + '=([^;]*)').exec(document.cookie)) ? decode(result[1]) : null;

        },