querystring = {
    parse: function(s, sep, eq) {
        eq = eq || '=';
        var o = {};

        if (s) {
            var a = s.split(sep || '&'),
                i = 0,
                l = a.length;

            while (i < l) {
                var a1 = a[i++].split(eq),
                    k = a1[0],
                    v = a1[1];

                if (k !== '') {
                    k = decodeURIComponent(k);
                    v = v === undefined ? '' : decodeURIComponent(v);

                    if (k in o) {
                        if (typeof o[k] == 'string') {
                            o[k] = new Array(o[k]);
                        }

                        o[k].push(v);
                    }
                    else {
                        o[k] = v;
                    }
                }
            }
        }

        return o;
    },

    stringify: function(o, sep, eq) {
        sep = sep || '&';
        eq = eq || '=';
        var p,
            i,
            l,
            a,
            a1 = [];

        for (p in o) {
            if ( o.hasOwnProperty(p) ) {
                a = Array.prototype.concat(o[p]);
                p = encodeURIComponent(p);

                for (i = 0, l = a.length; i < l; ++i) {
                    a1.push( p + ( a[i] === '' ? '' : eq + encodeURIComponent(a[i]) ) );
                }
            }
        }

        return a1.join(sep);
    }
};
// query = querystring.parse( location.search.substr(1) );
// cookie = querystring.parse(document.cookie, /;\s*/);