UserInfo info;

		m_storage->getUser(session->user, info);

		std::string username = "";

		int type = (int) TYPE_STRING;

		m_storage->getUserSetting(info.id, id, type, username);

		instance.AddMember("registered", !username.empty(), json.GetAllocator());

		instance.AddMember("username", username.c_str(), json.GetAllocator());

    <script src="/js/jquery.cookie.js"></script>

	$.get("/api/v1/instances", function(data) {

		$("#main_content").html("<h2>List of Spectrum 2 instances</h2><table id='main_result'><tr><th>Name<th>Status</th><th>Actions</th></tr>");

		var admin = $.cookie("admin") == "1";

		$.each(data.instances, function(i, instance) {

			if (instance.running) {

				if (admin) {

					var command = instance.running ? "stop" : "start";

				}

				else {

					var command = instance.registered ? "unregister" : "register";

					if (instance.registered) {

						instance.status += "<br/>Registered as " + instance.username;

					}

				}

			}

			else if (admin) {

				var command = "start";

			}

			var row = '<tr><td>'+ instance.name + '</td>' +

			'<td>' + instance.status + '</td>' +

			'<td><a class="button_command" href="/api/v1/instances/' + command + '/' + instance.id + '">' + command + '</a>' + '</td></tr>';

			$("#main_result  > tbody:last-child").append(row);

			$(".button_command").click(function(e) {

				e.preventDefault();

				$(this).parent().empty().progressbar( {value: false} ).css('height', '1em');

				var url = $(this).attr('href');

				$.get(url, function(data) {

					show_instances();

				});

			})

		});

	});

/*!

 * jQuery Cookie Plugin v1.4.1

 * https://github.com/carhartl/jquery-cookie

 *

 * Copyright 2006, 2014 Klaus Hartl

 * Released under the MIT license

 */

(function (factory) {

	if (typeof define === 'function' && define.amd) {

		// AMD (Register as an anonymous module)

		define(['jquery'], factory);

	} else if (typeof exports === 'object') {

		// Node/CommonJS

		module.exports = factory(require('jquery'));

	} else {

		// Browser globals

		factory(jQuery);

	}

}(function ($) {

	var pluses = /\+/g;

	function encode(s) {

		return config.raw ? s : encodeURIComponent(s);

	}

	function decode(s) {

		return config.raw ? s : decodeURIComponent(s);

	}

	function stringifyCookieValue(value) {

		return encode(config.json ? JSON.stringify(value) : String(value));

	}

	function parseCookieValue(s) {

		if (s.indexOf('"') === 0) {

			// This is a quoted cookie as according to RFC2068, unescape...

			s = s.slice(1, -1).replace(/\\"/g, '"').replace(/\\\\/g, '\\');

		}

		try {

			// Replace server-side written pluses with spaces.

			// If we can't decode the cookie, ignore it, it's unusable.

			// If we can't parse the cookie, ignore it, it's unusable.

			s = decodeURIComponent(s.replace(pluses, ' '));

			return config.json ? JSON.parse(s) : s;

		} catch(e) {}

	}

	function read(s, converter) {

		var value = config.raw ? s : parseCookieValue(s);

		return $.isFunction(converter) ? converter(value) : value;

	}

	var config = $.cookie = function (key, value, options) {

		// Write

		if (arguments.length > 1 && !$.isFunction(value)) {

			options = $.extend({}, config.defaults, options);

			if (typeof options.expires === 'number') {

				var days = options.expires, t = options.expires = new Date();

				t.setMilliseconds(t.getMilliseconds() + days * 864e+5);

			}

			return (document.cookie = [

				encode(key), '=', stringifyCookieValue(value),

				options.expires ? '; expires=' + options.expires.toUTCString() : '', // use expires attribute, max-age is not supported by IE

				options.path    ? '; path=' + options.path : '',

				options.domain  ? '; domain=' + options.domain : '',

				options.secure  ? '; secure' : ''

			].join(''));

		}

		// Read

		var result = key ? undefined : {},

			// To prevent the for loop in the first place assign an empty array

			// in case there are no cookies at all. Also prevents odd result when

			// calling $.cookie().

			cookies = document.cookie ? document.cookie.split('; ') : [],

			i = 0,

			l = cookies.length;

		for (; i < l; i++) {

			var parts = cookies[i].split('='),

				name = decode(parts.shift()),

				cookie = parts.join('=');

			if (key === name) {

				// If second argument (value) is a function it's a converter...

				result = read(cookie, value);

				break;

			}

			// Prevent storing a cookie that we couldn't decode.

			if (!key && (cookie = read(cookie)) !== undefined) {

				result[name] = cookie;

			}

		}

		return result;

	};

	config.defaults = {};

	$.removeCookie = function (key, options) {

		// Must not alter options, thus extending a fresh object...

		$.cookie(key, '', $.extend({}, options, { expires: -1 }));

		return !$.cookie(key);

	};

}));