1 jQuery.cookie = function(name, value, options) {
2 if (typeof value != 'undefined') { // name and value given, set cookie
3 options = options || {};
4 if (value === null) {
5 value = '';
6 options.expires = -1;
7 }
8 var expires = '';
9 if (options.expires && (typeof options.expires == 'number' || options.expires.toUTCString)) {
10 var date;
11 if (typeof options.expires == 'number') {
12 date = new Date();
13 date.setTime(date.getTime() + (options.expires * 24 * 60 * 60 * 1000));
14 } else {
15 date = options.expires;
16 }
17 expires = '; expires=' + date.toUTCString(); // use expires attribute, max-age is not supported by IE
18 }
19 // CAUTION: Needed to parenthesize options.path and options.domain
20 // in the following expressions, otherwise they evaluate to undefined
21 // in the packed version for some reason...
22 var path = options.path ? '; path=' + (options.path) : '';
23 var domain = options.domain ? '; domain=' + (options.domain) : '';
24 var secure = options.secure ? '; secure' : '';
25 document.cookie = [name, '=', encodeURIComponent(value), expires, path, domain, secure].join('');
26 } else { // only name given, get cookie
27 var cookieValue = null;
28 if (document.cookie && document.cookie != '') {
29 var cookies = document.cookie.split(';');
30 for (var i = 0; i < cookies.length; i++) {
31 var cookie = jQuery.trim(cookies[i]);
32 // Does this cookie string begin with the name we want?
33 if (cookie.substring(0, name.length + 1) == (name + '=')) {
34 cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
35 break;
36 }
37 }
38 }
39 return cookieValue;
40 }
41 };
