http://healthmap.org/js/jquery.cookie.js

1/*!
2 * jQuery Cookie Plugin v1.3.1
3 * https://github.com/carhartl/jquery-cookie
4 *
5 * Copyright 2013 Klaus Hartl
6 * Released under the MIT license
7 */
8(function ($, document, undefined) {
9
10    var pluses = /\+/g;
11
12    function raw(s) {
13        return s;
14    }
15
16    function decoded(s) {
17        return unRfc2068(decodeURIComponent(s.replace(pluses, ' ')));
18    }
19
20    function unRfc2068(value) {
21        if (value.indexOf('"') === 0) {
22            // This is a quoted cookie as according to RFC2068, unescape
23            value = value.slice(1, -1).replace(/\\"/g, '"').replace(/\\\\/g, '\\');
24        }
25        return value;
26    }
27
28    function fromJSON(value) {
29        return config.json ? JSON.parse(value) : value;
30    }
31
32    var config = $.cookie = function (key, value, options) {
33
34        // write
35        if (value !== undefined) {
36            options = $.extend({}, config.defaults, options);
37
38            if (value === null) {
39                options.expires = -1;
40            }
41
42            if (typeof options.expires === 'number') {
43                var days = options.expires, t = options.expires = new Date();
44                t.setDate(t.getDate() + days);
45            }
46
47            value = config.json ? JSON.stringify(value) : String(value);
48
49            return (document.cookie = [
50                encodeURIComponent(key), '=', config.raw ? value : encodeURIComponent(value),
51                options.expires ? '; expires=' + options.expires.toUTCString() : '', // use expires attribute, max-age is not supported by IE
52                options.path    ? '; path=' + options.path : '',
53                options.domain  ? '; domain=' + options.domain : '',
54                options.secure  ? '; secure' : ''
55            ].join(''));
56        }
57
58        // read
59        var decode = config.raw ? raw : decoded;
60        var cookies = document.cookie.split('; ');
61        var result = key ? null : {};
62        for (var i = 0, l = cookies.length; i < l; i++) {
63            var parts = cookies[i].split('=');
64            var name = decode(parts.shift());
65            var cookie = decode(parts.join('='));
66
67            if (key && key === name) {
68                result = fromJSON(cookie);
69                break;
70            }
71
72            if (!key) {
73                result[name] = fromJSON(cookie);
74            }
75        }
76
77        return result;
78    };
79
80    config.defaults = {};
81
82    $.removeCookie = function (key, options) {
83        if ($.cookie(key) !== null) {
84            $.cookie(key, null, options);
85            return true;
86        }
87        return false;
88    };
89
90})(jQuery, document);
91