(token) => {
				ls('favorites', _favorites);
				ls('email', email);
				ls('userToken', token.userToken);
				this.email = email;
				this.userToken = token.userToken;
				cb(null);
			},

	constructor(
		public category_id: number,
		public title: string,
		public image: string
	) {
		this.progress = 0;
		this.progress = ls(`c_${category_id}`) ? ls(`c_${category_id}`) : 0;
		this.answered = new Set<number>();
		this.questions = new Array<Question>();
	}

	constructor(private router: Router, private rest: RestService) {
		this.header = new ListHeader(
			'Cruise Concierge /Travelers',
			'Who\'s Traveling?',
			'You may select more than one'
		);

		this.list = new Array();
		this.count = ls('count_t') ? ls('count_t') : 0;
	}

		it('toggle_like(question_id: number)', () => {
			survey.like(category, question);
			expect(ls('_liked').length).toBe(1);
			expect(ls('_liked')[0]).toBe(123);
			expect(survey.liked.size).toBe(1);
			expect(survey.liked.has(123)).toBeTruthy();

			survey.toggle_like(question.question_id);
			expect(ls('_liked').length).toBe(0);
			expect(survey.liked.size).toBe(0);
		});

	buildTravelItem.on("click", () => {
		regions.toggle(value);
		buildTravelItem.find('.icon-check').css('visibility', regions.has(value) ? 'visible' : 'hidden');
		if (regions.has(value)) {
			rt.count++;
			ls('count_r', rt.count);
		} else {
			rt.count--;
			ls('count_r', rt.count);
		}
	});

	item.on("click", () => {
		survey.toggle_like(travel.question_id);
		item.find('.icon-check').css('visibility', survey.answer(travel.question_id) === SURVEY.liked ? 'visible' : 'hidden');
		if (survey.answer(travel.question_id) === SURVEY.liked) {
			wt.count++;
			ls('count_t', wt.count);
		} else {
			wt.count--;
			ls('count_t', wt.count);
		}
	});

	constructor() {
		if (ls('_liked')) {
			this._liked = new Set<number>(ls('_liked'));
			this._disliked = new Set<number>(ls('_disliked'));
			this._neutral = new Set<number>(ls('_neutral'));
			this._cached = ls('_cached');
		} else {
			this._liked = new Set<number>();
			this._disliked = new Set<number>();
			this._neutral = new Set<number>();
			this._cached = true;
		}
	}

	store() {
		let regions = [];
		this.regions.forEach((_) => {
			regions.push(_);
		});
		ls('regions', regions);
	}

	constructor(private router: Router, private rest: RestService) {
		this.header = new ListHeader(
			'Cruise Conceirge /Regions',
			'What regions are you interested in?',
			'You may select more than one.'
		);
		this.regions = rest.regions;
		this.count = ls('count_r') ? ls('count_r') : 0;
		this.list = [
			buildTravelListItem('Carribean', this.regions, REGIONS.Carribean, this),
			buildTravelListItem('Central America', this.regions, REGIONS.CentralAmerica, this),
			buildTravelListItem('New England', this.regions, REGIONS.NewEngland, this),
			buildTravelListItem('Pacific Northwest', this.regions, REGIONS.PacificNorthwest, this),
			buildTravelListItem('Alaska', this.regions, REGIONS.Alaska, this)
		];
	}