Pages.Pages = Backbone.Collection.extend({
  model: Pages.Page,
  url: 'pages.json',

  initialize: function(models, options) {
    this.on('reset', this.updateCurrent, this);
  },

  setCurrent: function(id) {
    this.currentId = id;
    this.updateCurrent();
  },

  updateCurrent: function() {
    this.current = this.get(this.currentId);
  }
});