/**
 * Cookie plugin
 *
 * Copyright (c) 2006 Klaus Hartl (stilbuero.de)
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 *
 */

/**
 * Create a cookie with the given name and value and other optional parameters.
 *
 * @example $.cookie('the_cookie', 'the_value');
 * @desc Set the value of a cookie.
 * @example $.cookie('the_cookie', 'the_value', { expires: 7, path: '/', domain: 'jquery.com', secure: true });
 * @desc Create a cookie with all available options.
 * @example $.cookie('the_cookie', 'the_value');
 * @desc Create a session cookie.
 * @example $.cookie('the_cookie', null);
 * @desc Delete a cookie by passing null as value. Keep in mind that you have to use the same path and domain
 *       used when the cookie was set.
 *
 * @param String name The name of the cookie.
 * @param String value The value of the cookie.
 * @param Object options An object literal containing key/value pairs to provide optional cookie attributes.
 * @option Number|Date expires Either an integer specifying the expiration date from now on in days or a Date object.
 *                             If a negative value is specified (e.g. a date in the past), the cookie will be deleted.
 *                             If set to null or omitted, the cookie will be a session cookie and will not be retained
 *                             when the the browser exits.
 * @option String path The value of the path atribute of the cookie (default: path of page that created the cookie).
 * @option String domain The value of the domain attribute of the cookie (default: domain of page that created the cookie).
 * @option Boolean secure If true, the secure attribute of the cookie will be set and the cookie transmission will
 *                        require a secure protocol (like HTTPS).
 * @type undefined
 *
 * @name $.cookie
 * @cat Plugins/Cookie
 * @author Klaus Hartl/klaus.hartl@stilbuero.de
 */

/**
 * Get the value of a cookie with the given name.
 *
 * @example $.cookie('the_cookie');
 * @desc Get the value of a cookie.
 *
 * @param String name The name of the cookie.
 * @return The value of the cookie.
 * @type String
 *
 * @name $.cookie
 * @cat Plugins/Cookie
 * @author Klaus Hartl/klaus.hartl@stilbuero.de
 */
// jQuery.cookie = function(name, value, options) {
//     if (typeof value != 'undefined') { // name and value given, set cookie
//         options = options || {};
//         if (value === null) {
//             value = '';
//             options = $.extend({}, options); // clone object since it's unexpected behavior if the expired property were changed
//             options.expires = -1;
//         }
//         var expires = '';
//         if (options.expires && (typeof options.expires == 'number' || options.expires.toUTCString)) {
//             var date;
//             if (typeof options.expires == 'number') {
//                 date = new Date();
//                 date.setTime(date.getTime() + (options.expires * 24 * 60 * 60 * 1000));
//             } else {
//                 date = options.expires;
//             }
//             expires = '; expires=' + date.toUTCString(); // use expires attribute, max-age is not supported by IE
//         }
//         // NOTE Needed to parenthesize options.path and options.domain
//         // in the following expressions, otherwise they evaluate to undefined
//         // in the packed version for some reason...
//         var path = options.path ? '; path=' + (options.path) : '';
//         var domain = options.domain ? '; domain=' + (options.domain) : '';
//         var secure = options.secure ? '; secure' : '';
//         document.cookie = [name, '=', encodeURIComponent(value), expires, path, domain, secure].join('');
//     } else { // only name given, get cookie
//         var cookieValue = null;
//         if (document.cookie && document.cookie != '') {
//             var cookies = document.cookie.split(';');
//             for (var i = 0; i < cookies.length; i++) {
//                 var cookie = jQuery.trim(cookies[i]);
//                 // Does this cookie string begin with the name we want?
//                 if (cookie.substring(0, name.length + 1) == (name + '=')) {
//                     cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
//                     break;
//                 }
//             }
//         }
//         return cookieValue;
//     }
// };

(function($){
	$.cookie = function(key, value, options) {
		if(arguments.length > 1) {
			var o = $.extend({}, $.cookie.defaults, options);
	        if (value === null || value === undefined) {
	            value = '';
	            o.expires = -1;
	        }
	        if (o.expires.constructor != Date) {
				var today = new Date();
				today.setDate(today.getDate() + o.expires);
				o.expires = today;
			}
			// Create the cookie string
			document.cookie = 
				key + '=' + value +
				'; expires=' + o.expires.toUTCString() +
				(o.path? '; path=' + (o.path) : '') +
				(o.domain? '; domain=' + (o.domain) : '') +
				(o.secure? '; secure' : '');
		} else {
			if(result = new RegExp(key+"=(.*?)(?:;|$)").exec(document.cookie))
				return decodeURIComponent(result[1]);
			return false;
		}
	};
	$.cookie.defaults = {
		expires: 365,
		path: '/'
	}
})(jQuery);