Hash routing in js

hashRouting.js

(function() {
    var Router = {
        root: '#/',
        routes: [],
        urls: [],
        titles: [],
        add: function(thePath, theUrl, theTitle) {
            this.routes.push(thePath);
            this.urls.push(theUrl);
            this.titles.push(theTitle);
        },
        navigate: function() {
            var routes = this.routes,
                urls = this.urls,
                root = this.root;


            function loading() {
                var a = $.inArray(location.hash, routes),
                    template = urls[a];
                if (a === -1) {
                    location.hash = root;
                    $("#view").load(urls[0]);
                }
                else {
                    $("#view").load(template);
                    if (a === 0) {
                        window.scrollTo(0, 0);
                    }
                    else {
                        window.scrollTo(0, 90);
                    }
                }
            }
            window.onload = loading;
            window.onhashchange = loading;
        }
    };
    Router.add("#/", "tpl/home.html", "Home Page");
    Router.add("#/about", "tpl/about.html", "About Page");
    Router.add("#/licence", "tpl/licence.html", "MIIT Licence");
    Router.add("#/cabala", "tpl/cabala.html", "Cabala Checker");
    Router.add("#/articles/esp", "tpl/article1.html", "ESP");
    Router.add("#/fanfics/the-chupacabra-case", "tpl/article2.html", "The Chupacabra Case");
    Router.navigate();
})();