Some cookie method set

cookies.js

var uTools = {};
/*****************
The cookie method set
 *****************/
! function ($) {
    $.cookies = {
        get: function (name) {
            var cookies = document.cookie,
                name = encodeURIComponent(name) + '=',
                start = cookies.indexOf(name),
                end = null,
                value = null;
            if (start > -1) {
                end = cookies.indexOf('; ', start);
                end === -1 && (end = cookies.length);
                value = decodeURIComponent(cookies.slice(start, end));
            }
            return value;
        },
        set: function (name, value, maxAge, path, domain, secure) {
            var cookie = '';
            if (typeof name == 'undefined' || typeof value == 'undefined')
                throw Error('The name and value must be defined.');
            cookie += encodeURIComponent(String(name)) +
                '=' + encodeURIComponent(String(value));
            typeof maxAge == 'number' &&
                cookie += '; max-age=' + maxAge;
            typeof path == 'string' && cookie += '; path=' + path;
            typeof domain == 'string' && cookie += '; domain=' + domain;
            typeof secure == 'boolean' && cookie += '; secure';
            document.cookie = cookie;
        },
        unset: function (name, path, domain, secure) {
            this.set(name, '', +new Date(), path, domain, secure);
        }
    };
}(uTools);