a Backbone model with callbacks

models.js

    models.OrgsModel = Backbone.Model.extend({
        url: function() {
            return root + 'organizations.json';
        },
        behavior: function (org) {
            loc.org = org;
            utils.nav(org);
        },
        defaultItem: function () {
            return loc.org;
        },
        id:'orgmenu'
    });