Jquery Cookie

jqcookies.js

(function ($, document, undefined) {
  var pluses = /\+/g;
  function raw(s) {
    return s;
  }

  function decoded(s) {
    return decodeURIComponent(s.replace(pluses, ' '));
  }
  $.cookie = function (key, value, options) {
    if (value !== undefined && !/Object/.test(Object.prototype.toString.call(value))) {
      options = $.extend({}, $.cookie.defaults, options);
      if (value === null) {
        options.expires = -1;
      }
      if (typeof options.expires === 'number') {
        var days = options.expires,
          t = options.expires = new Date();
        t.setDate(t.getDate() + days);
      }
      value = String(value);
      return (document.cookie = [encodeURIComponent(key), '=', options.raw ? value : encodeURIComponent(value), options.expires ? '; expires=' + options.expires.toUTCString() : '', options.path ? '; path=' + options.path : '', options.domain ? '; domain=' + options.domain : '', options.secure ? '; secure' : ''].join(''));
    }
    options = value || $.cookie.defaults || {};
    var decode = options.raw ? raw : decoded;
    var cookies = document.cookie.split('; ');
    for (var i = 0, parts;
    (parts = cookies[i] && cookies[i].split('=')); i++) {
      if (decode(parts.shift()) === key) {
        return decode(parts.join('='));
      }
    }
    return null;
  };
  $.cookie.defaults = {};
  $.removeCookie = function (key, options) {
    if ($.cookie(key, options) !== null) {
      $.cookie(key, null, options);
      return true;
    }
    return false;
  };
})(jQuery, document);