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Scott Nixon committed d18545b

Got a full fetch of json working. Adding js vendor files and style sheets.

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Files changed (10)

images/add.png

Added
New image

images/remove.png

Added
New image
 
     <script type="application/javascript">
       jQuery(function() {
+        window.player.playlist.fetch();
         window.library.reset([{
         "id": 81, 
         "recipe_name": "Acorn Squash & Apple Soup", 
 
 ]);
         // Needed for static-served app
-        window.App.home();
+        window.App.static();
       });
     </script>
   </head>
 /* ALBUMS COLLECTION */
     window.Albums = Backbone.Collection.extend({
         model: Album,
-        url: "/albums"
+        url: "recipes.json"
     });
 
     window.Playlist = Albums.extend({
 
     });
 
+    rec = new window.Albums();
+    window.stuff = rec.fetch();
+
 /* PLAYER MODEL */
     window.Player = Backbone.Model.extend({
         defaults: {
 
     window.library = new Albums();
     window.player = new Player();
+    //aaa = window.Album();
+    //aaa.fetch();
 
 
     $(document).ready(function() {
 
 /* PLAYLIST ALBUM VIEW */
         window.PlaylistAlbumView = AlbumView.extend({
+            template: _.template($("#list-template").html()),
+
             events: {
                 'click .queue.remove': 'removeFromPlaylist'
             },

js/vendor/backbone.js

+//     Backbone.js 0.5.1
+//     (c) 2010 Jeremy Ashkenas, DocumentCloud Inc.
+//     Backbone may be freely distributed under the MIT license.
+//     For all details and documentation:
+//     http://documentcloud.github.com/backbone
+
+(function(){
+
+  // Initial Setup
+  // -------------
+
+  // Save a reference to the global object.
+  var root = this;
+
+  // Save the previous value of the `Backbone` variable.
+  var previousBackbone = root.Backbone;
+
+  // The top-level namespace. All public Backbone classes and modules will
+  // be attached to this. Exported for both CommonJS and the browser.
+  var Backbone;
+  if (typeof exports !== 'undefined') {
+    Backbone = exports;
+  } else {
+    Backbone = root.Backbone = {};
+  }
+
+  // Current version of the library. Keep in sync with `package.json`.
+  Backbone.VERSION = '0.5.1';
+
+  // Require Underscore, if we're on the server, and it's not already present.
+  var _ = root._;
+  if (!_ && (typeof require !== 'undefined')) _ = require('underscore')._;
+
+  // For Backbone's purposes, jQuery or Zepto owns the `$` variable.
+  var $ = root.jQuery || root.Zepto;
+
+  // Runs Backbone.js in *noConflict* mode, returning the `Backbone` variable
+  // to its previous owner. Returns a reference to this Backbone object.
+  Backbone.noConflict = function() {
+    root.Backbone = previousBackbone;
+    return this;
+  };
+
+  // Turn on `emulateHTTP` to use support legacy HTTP servers. Setting this option will
+  // fake `"PUT"` and `"DELETE"` requests via the `_method` parameter and set a
+  // `X-Http-Method-Override` header.
+  Backbone.emulateHTTP = false;
+
+  // Turn on `emulateJSON` to support legacy servers that can't deal with direct
+  // `application/json` requests ... will encode the body as
+  // `application/x-www-form-urlencoded` instead and will send the model in a
+  // form param named `model`.
+  Backbone.emulateJSON = false;
+
+  // Backbone.Events
+  // -----------------
+
+  // A module that can be mixed in to *any object* in order to provide it with
+  // custom events. You may `bind` or `unbind` a callback function to an event;
+  // `trigger`-ing an event fires all callbacks in succession.
+  //
+  //     var object = {};
+  //     _.extend(object, Backbone.Events);
+  //     object.bind('expand', function(){ alert('expanded'); });
+  //     object.trigger('expand');
+  //
+  Backbone.Events = {
+
+    // Bind an event, specified by a string name, `ev`, to a `callback` function.
+    // Passing `"all"` will bind the callback to all events fired.
+    bind : function(ev, callback) {
+      var calls = this._callbacks || (this._callbacks = {});
+      var list  = calls[ev] || (calls[ev] = []);
+      list.push(callback);
+      return this;
+    },
+
+    // Remove one or many callbacks. If `callback` is null, removes all
+    // callbacks for the event. If `ev` is null, removes all bound callbacks
+    // for all events.
+    unbind : function(ev, callback) {
+      var calls;
+      if (!ev) {
+        this._callbacks = {};
+      } else if (calls = this._callbacks) {
+        if (!callback) {
+          calls[ev] = [];
+        } else {
+          var list = calls[ev];
+          if (!list) return this;
+          for (var i = 0, l = list.length; i < l; i++) {
+            if (callback === list[i]) {
+              list[i] = null;
+              break;
+            }
+          }
+        }
+      }
+      return this;
+    },
+
+    // Trigger an event, firing all bound callbacks. Callbacks are passed the
+    // same arguments as `trigger` is, apart from the event name.
+    // Listening for `"all"` passes the true event name as the first argument.
+    trigger : function(eventName) {
+      var list, calls, ev, callback, args;
+      var both = 2;
+      if (!(calls = this._callbacks)) return this;
+      while (both--) {
+        ev = both ? eventName : 'all';
+        if (list = calls[ev]) {
+          for (var i = 0, l = list.length; i < l; i++) {
+            if (!(callback = list[i])) {
+              list.splice(i, 1); i--; l--;
+            } else {
+              args = both ? Array.prototype.slice.call(arguments, 1) : arguments;
+              callback.apply(this, args);
+            }
+          }
+        }
+      }
+      return this;
+    }
+
+  };
+
+  // Backbone.Model
+  // --------------
+
+  // Create a new model, with defined attributes. A client id (`cid`)
+  // is automatically generated and assigned for you.
+  Backbone.Model = function(attributes, options) {
+    var defaults;
+    attributes || (attributes = {});
+    if (defaults = this.defaults) {
+      if (_.isFunction(defaults)) defaults = defaults();
+      attributes = _.extend({}, defaults, attributes);
+    }
+    this.attributes = {};
+    this._escapedAttributes = {};
+    this.cid = _.uniqueId('c');
+    this.set(attributes, {silent : true});
+    this._changed = false;
+    this._previousAttributes = _.clone(this.attributes);
+    if (options && options.collection) this.collection = options.collection;
+    this.initialize(attributes, options);
+  };
+
+  // Attach all inheritable methods to the Model prototype.
+  _.extend(Backbone.Model.prototype, Backbone.Events, {
+
+    // A snapshot of the model's previous attributes, taken immediately
+    // after the last `"change"` event was fired.
+    _previousAttributes : null,
+
+    // Has the item been changed since the last `"change"` event?
+    _changed : false,
+
+    // The default name for the JSON `id` attribute is `"id"`. MongoDB and
+    // CouchDB users may want to set this to `"_id"`.
+    idAttribute : 'id',
+
+    // Initialize is an empty function by default. Override it with your own
+    // initialization logic.
+    initialize : function(){},
+
+    // Return a copy of the model's `attributes` object.
+    toJSON : function() {
+      return _.clone(this.attributes);
+    },
+
+    // Get the value of an attribute.
+    get : function(attr) {
+      return this.attributes[attr];
+    },
+
+    // Get the HTML-escaped value of an attribute.
+    escape : function(attr) {
+      var html;
+      if (html = this._escapedAttributes[attr]) return html;
+      var val = this.attributes[attr];
+      return this._escapedAttributes[attr] = escapeHTML(val == null ? '' : '' + val);
+    },
+
+    // Returns `true` if the attribute contains a value that is not null
+    // or undefined.
+    has : function(attr) {
+      return this.attributes[attr] != null;
+    },
+
+    // Set a hash of model attributes on the object, firing `"change"` unless you
+    // choose to silence it.
+    set : function(attrs, options) {
+
+      // Extract attributes and options.
+      options || (options = {});
+      if (!attrs) return this;
+      if (attrs.attributes) attrs = attrs.attributes;
+      var now = this.attributes, escaped = this._escapedAttributes;
+
+      // Run validation.
+      if (!options.silent && this.validate && !this._performValidation(attrs, options)) return false;
+
+      // Check for changes of `id`.
+      if (this.idAttribute in attrs) this.id = attrs[this.idAttribute];
+
+      // We're about to start triggering change events.
+      var alreadyChanging = this._changing;
+      this._changing = true;
+
+      // Update attributes.
+      for (var attr in attrs) {
+        var val = attrs[attr];
+        if (!_.isEqual(now[attr], val)) {
+          now[attr] = val;
+          delete escaped[attr];
+          this._changed = true;
+          if (!options.silent) this.trigger('change:' + attr, this, val, options);
+        }
+      }
+
+      // Fire the `"change"` event, if the model has been changed.
+      if (!alreadyChanging && !options.silent && this._changed) this.change(options);
+      this._changing = false;
+      return this;
+    },
+
+    // Remove an attribute from the model, firing `"change"` unless you choose
+    // to silence it. `unset` is a noop if the attribute doesn't exist.
+    unset : function(attr, options) {
+      if (!(attr in this.attributes)) return this;
+      options || (options = {});
+      var value = this.attributes[attr];
+
+      // Run validation.
+      var validObj = {};
+      validObj[attr] = void 0;
+      if (!options.silent && this.validate && !this._performValidation(validObj, options)) return false;
+
+      // Remove the attribute.
+      delete this.attributes[attr];
+      delete this._escapedAttributes[attr];
+      if (attr == this.idAttribute) delete this.id;
+      this._changed = true;
+      if (!options.silent) {
+        this.trigger('change:' + attr, this, void 0, options);
+        this.change(options);
+      }
+      return this;
+    },
+
+    // Clear all attributes on the model, firing `"change"` unless you choose
+    // to silence it.
+    clear : function(options) {
+      options || (options = {});
+      var attr;
+      var old = this.attributes;
+
+      // Run validation.
+      var validObj = {};
+      for (attr in old) validObj[attr] = void 0;
+      if (!options.silent && this.validate && !this._performValidation(validObj, options)) return false;
+
+      this.attributes = {};
+      this._escapedAttributes = {};
+      this._changed = true;
+      if (!options.silent) {
+        for (attr in old) {
+          this.trigger('change:' + attr, this, void 0, options);
+        }
+        this.change(options);
+      }
+      return this;
+    },
+
+    // Fetch the model from the server. If the server's representation of the
+    // model differs from its current attributes, they will be overriden,
+    // triggering a `"change"` event.
+    fetch : function(options) {
+      options || (options = {});
+      var model = this;
+      var success = options.success;
+      options.success = function(resp, status, xhr) {
+        if (!model.set(model.parse(resp, xhr), options)) return false;
+        if (success) success(model, resp);
+      };
+      options.error = wrapError(options.error, model, options);
+      return (this.sync || Backbone.sync).call(this, 'read', this, options);
+    },
+
+    // Set a hash of model attributes, and sync the model to the server.
+    // If the server returns an attributes hash that differs, the model's
+    // state will be `set` again.
+    save : function(attrs, options) {
+      options || (options = {});
+      if (attrs && !this.set(attrs, options)) return false;
+      var model = this;
+      var success = options.success;
+      options.success = function(resp, status, xhr) {
+        if (!model.set(model.parse(resp, xhr), options)) return false;
+        if (success) success(model, resp, xhr);
+      };
+      options.error = wrapError(options.error, model, options);
+      var method = this.isNew() ? 'create' : 'update';
+      return (this.sync || Backbone.sync).call(this, method, this, options);
+    },
+
+    // Destroy this model on the server if it was already persisted. Upon success, the model is removed
+    // from its collection, if it has one.
+    destroy : function(options) {
+      options || (options = {});
+      if (this.isNew()) return this.trigger('destroy', this, this.collection, options);
+      var model = this;
+      var success = options.success;
+      options.success = function(resp) {
+        model.trigger('destroy', model, model.collection, options);
+        if (success) success(model, resp);
+      };
+      options.error = wrapError(options.error, model, options);
+      return (this.sync || Backbone.sync).call(this, 'delete', this, options);
+    },
+
+    // Default URL for the model's representation on the server -- if you're
+    // using Backbone's restful methods, override this to change the endpoint
+    // that will be called.
+    url : function() {
+      var base = getUrl(this.collection) || this.urlRoot || urlError();
+      if (this.isNew()) return base;
+      return base + (base.charAt(base.length - 1) == '/' ? '' : '/') + encodeURIComponent(this.id);
+    },
+
+    // **parse** converts a response into the hash of attributes to be `set` on
+    // the model. The default implementation is just to pass the response along.
+    parse : function(resp, xhr) {
+      return resp;
+    },
+
+    // Create a new model with identical attributes to this one.
+    clone : function() {
+      return new this.constructor(this);
+    },
+
+    // A model is new if it has never been saved to the server, and lacks an id.
+    isNew : function() {
+      return this.id == null;
+    },
+
+    // Call this method to manually fire a `change` event for this model.
+    // Calling this will cause all objects observing the model to update.
+    change : function(options) {
+      this.trigger('change', this, options);
+      this._previousAttributes = _.clone(this.attributes);
+      this._changed = false;
+    },
+
+    // Determine if the model has changed since the last `"change"` event.
+    // If you specify an attribute name, determine if that attribute has changed.
+    hasChanged : function(attr) {
+      if (attr) return this._previousAttributes[attr] != this.attributes[attr];
+      return this._changed;
+    },
+
+    // Return an object containing all the attributes that have changed, or false
+    // if there are no changed attributes. Useful for determining what parts of a
+    // view need to be updated and/or what attributes need to be persisted to
+    // the server.
+    changedAttributes : function(now) {
+      now || (now = this.attributes);
+      var old = this._previousAttributes;
+      var changed = false;
+      for (var attr in now) {
+        if (!_.isEqual(old[attr], now[attr])) {
+          changed = changed || {};
+          changed[attr] = now[attr];
+        }
+      }
+      return changed;
+    },
+
+    // Get the previous value of an attribute, recorded at the time the last
+    // `"change"` event was fired.
+    previous : function(attr) {
+      if (!attr || !this._previousAttributes) return null;
+      return this._previousAttributes[attr];
+    },
+
+    // Get all of the attributes of the model at the time of the previous
+    // `"change"` event.
+    previousAttributes : function() {
+      return _.clone(this._previousAttributes);
+    },
+
+    // Run validation against a set of incoming attributes, returning `true`
+    // if all is well. If a specific `error` callback has been passed,
+    // call that instead of firing the general `"error"` event.
+    _performValidation : function(attrs, options) {
+      var error = this.validate(attrs);
+      if (error) {
+        if (options.error) {
+          options.error(this, error, options);
+        } else {
+          this.trigger('error', this, error, options);
+        }
+        return false;
+      }
+      return true;
+    }
+
+  });
+
+  // Backbone.Collection
+  // -------------------
+
+  // Provides a standard collection class for our sets of models, ordered
+  // or unordered. If a `comparator` is specified, the Collection will maintain
+  // its models in sort order, as they're added and removed.
+  Backbone.Collection = function(models, options) {
+    options || (options = {});
+    if (options.comparator) this.comparator = options.comparator;
+    _.bindAll(this, '_onModelEvent', '_removeReference');
+    this._reset();
+    if (models) this.reset(models, {silent: true});
+    this.initialize.apply(this, arguments);
+  };
+
+  // Define the Collection's inheritable methods.
+  _.extend(Backbone.Collection.prototype, Backbone.Events, {
+
+    // The default model for a collection is just a **Backbone.Model**.
+    // This should be overridden in most cases.
+    model : Backbone.Model,
+
+    // Initialize is an empty function by default. Override it with your own
+    // initialization logic.
+    initialize : function(){},
+
+    // The JSON representation of a Collection is an array of the
+    // models' attributes.
+    toJSON : function() {
+      return this.map(function(model){ return model.toJSON(); });
+    },
+
+    // Add a model, or list of models to the set. Pass **silent** to avoid
+    // firing the `added` event for every new model.
+    add : function(models, options) {
+      if (_.isArray(models)) {
+        for (var i = 0, l = models.length; i < l; i++) {
+          this._add(models[i], options);
+        }
+      } else {
+        this._add(models, options);
+      }
+      return this;
+    },
+
+    // Remove a model, or a list of models from the set. Pass silent to avoid
+    // firing the `removed` event for every model removed.
+    remove : function(models, options) {
+      if (_.isArray(models)) {
+        for (var i = 0, l = models.length; i < l; i++) {
+          this._remove(models[i], options);
+        }
+      } else {
+        this._remove(models, options);
+      }
+      return this;
+    },
+
+    // Get a model from the set by id.
+    get : function(id) {
+      if (id == null) return null;
+      return this._byId[id.id != null ? id.id : id];
+    },
+
+    // Get a model from the set by client id.
+    getByCid : function(cid) {
+      return cid && this._byCid[cid.cid || cid];
+    },
+
+    // Get the model at the given index.
+    at: function(index) {
+      return this.models[index];
+    },
+
+    // Force the collection to re-sort itself. You don't need to call this under normal
+    // circumstances, as the set will maintain sort order as each item is added.
+    sort : function(options) {
+      options || (options = {});
+      if (!this.comparator) throw new Error('Cannot sort a set without a comparator');
+      this.models = this.sortBy(this.comparator);
+      if (!options.silent) this.trigger('reset', this, options);
+      return this;
+    },
+
+    // Pluck an attribute from each model in the collection.
+    pluck : function(attr) {
+      return _.map(this.models, function(model){ return model.get(attr); });
+    },
+
+    // When you have more items than you want to add or remove individually,
+    // you can reset the entire set with a new list of models, without firing
+    // any `added` or `removed` events. Fires `reset` when finished.
+    reset : function(models, options) {
+      models  || (models = []);
+      options || (options = {});
+      this.each(this._removeReference);
+      this._reset();
+      this.add(models, {silent: true});
+      if (!options.silent) this.trigger('reset', this, options);
+      return this;
+    },
+
+    // Fetch the default set of models for this collection, resetting the
+    // collection when they arrive. If `add: true` is passed, appends the
+    // models to the collection instead of resetting.
+    fetch : function(options) {
+      options || (options = {});
+      var collection = this;
+      var success = options.success;
+      options.success = function(resp, status, xhr) {
+        collection[options.add ? 'add' : 'reset'](collection.parse(resp, xhr), options);
+        if (success) success(collection, resp);
+      };
+      options.error = wrapError(options.error, collection, options);
+      return (this.sync || Backbone.sync).call(this, 'read', this, options);
+    },
+
+    // Create a new instance of a model in this collection. After the model
+    // has been created on the server, it will be added to the collection.
+    // Returns the model, or 'false' if validation on a new model fails.
+    create : function(model, options) {
+      var coll = this;
+      options || (options = {});
+      model = this._prepareModel(model, options);
+      if (!model) return false;
+      var success = options.success;
+      options.success = function(nextModel, resp, xhr) {
+        coll.add(nextModel, options);
+        if (success) success(nextModel, resp, xhr);
+      };
+      model.save(null, options);
+      return model;
+    },
+
+    // **parse** converts a response into a list of models to be added to the
+    // collection. The default implementation is just to pass it through.
+    parse : function(resp, xhr) {
+      return resp;
+    },
+
+    // Proxy to _'s chain. Can't be proxied the same way the rest of the
+    // underscore methods are proxied because it relies on the underscore
+    // constructor.
+    chain: function () {
+      return _(this.models).chain();
+    },
+
+    // Reset all internal state. Called when the collection is reset.
+    _reset : function(options) {
+      this.length = 0;
+      this.models = [];
+      this._byId  = {};
+      this._byCid = {};
+    },
+
+    // Prepare a model to be added to this collection
+    _prepareModel: function(model, options) {
+      if (!(model instanceof Backbone.Model)) {
+        var attrs = model;
+        model = new this.model(attrs, {collection: this});
+        if (model.validate && !model._performValidation(attrs, options)) model = false;
+      } else if (!model.collection) {
+        model.collection = this;
+      }
+      return model;
+    },
+
+    // Internal implementation of adding a single model to the set, updating
+    // hash indexes for `id` and `cid` lookups.
+    // Returns the model, or 'false' if validation on a new model fails.
+    _add : function(model, options) {
+      options || (options = {});
+      model = this._prepareModel(model, options);
+      if (!model) return false;
+      var already = this.getByCid(model) || this.get(model);
+      if (already) throw new Error(["Can't add the same model to a set twice", already.id]);
+      this._byId[model.id] = model;
+      this._byCid[model.cid] = model;
+      var index = options.at != null ? options.at :
+                  this.comparator ? this.sortedIndex(model, this.comparator) :
+                  this.length;
+      this.models.splice(index, 0, model);
+      model.bind('all', this._onModelEvent);
+      this.length++;
+      if (!options.silent) model.trigger('add', model, this, options);
+      return model;
+    },
+
+    // Internal implementation of removing a single model from the set, updating
+    // hash indexes for `id` and `cid` lookups.
+    _remove : function(model, options) {
+      options || (options = {});
+      model = this.getByCid(model) || this.get(model);
+      if (!model) return null;
+      delete this._byId[model.id];
+      delete this._byCid[model.cid];
+      this.models.splice(this.indexOf(model), 1);
+      this.length--;
+      if (!options.silent) model.trigger('remove', model, this, options);
+      this._removeReference(model);
+      return model;
+    },
+
+    // Internal method to remove a model's ties to a collection.
+    _removeReference : function(model) {
+      if (this == model.collection) {
+        delete model.collection;
+      }
+      model.unbind('all', this._onModelEvent);
+    },
+
+    // Internal method called every time a model in the set fires an event.
+    // Sets need to update their indexes when models change ids. All other
+    // events simply proxy through. "add" and "remove" events that originate
+    // in other collections are ignored.
+    _onModelEvent : function(ev, model, collection, options) {
+      if ((ev == 'add' || ev == 'remove') && collection != this) return;
+      if (ev == 'destroy') {
+        this._remove(model, options);
+      }
+      if (model && ev === 'change:' + model.idAttribute) {
+        delete this._byId[model.previous(model.idAttribute)];
+        this._byId[model.id] = model;
+      }
+      this.trigger.apply(this, arguments);
+    }
+
+  });
+
+  // Underscore methods that we want to implement on the Collection.
+  var methods = ['forEach', 'each', 'map', 'reduce', 'reduceRight', 'find', 'detect',
+    'filter', 'select', 'reject', 'every', 'all', 'some', 'any', 'include',
+    'contains', 'invoke', 'max', 'min', 'sortBy', 'sortedIndex', 'toArray', 'size',
+    'first', 'rest', 'last', 'without', 'indexOf', 'lastIndexOf', 'isEmpty'];
+
+  // Mix in each Underscore method as a proxy to `Collection#models`.
+  _.each(methods, function(method) {
+    Backbone.Collection.prototype[method] = function() {
+      return _[method].apply(_, [this.models].concat(_.toArray(arguments)));
+    };
+  });
+
+  // Backbone.Router
+  // -------------------
+
+  // Routers map faux-URLs to actions, and fire events when routes are
+  // matched. Creating a new one sets its `routes` hash, if not set statically.
+  Backbone.Router = function(options) {
+    options || (options = {});
+    if (options.routes) this.routes = options.routes;
+    this._bindRoutes();
+    this.initialize.apply(this, arguments);
+  };
+
+  // Cached regular expressions for matching named param parts and splatted
+  // parts of route strings.
+  var namedParam    = /:([\w\d]+)/g;
+  var splatParam    = /\*([\w\d]+)/g;
+  var escapeRegExp  = /[-[\]{}()+?.,\\^$|#\s]/g;
+
+  // Set up all inheritable **Backbone.Router** properties and methods.
+  _.extend(Backbone.Router.prototype, Backbone.Events, {
+
+    // Initialize is an empty function by default. Override it with your own
+    // initialization logic.
+    initialize : function(){},
+
+    // Manually bind a single named route to a callback. For example:
+    //
+    //     this.route('search/:query/p:num', 'search', function(query, num) {
+    //       ...
+    //     });
+    //
+    route : function(route, name, callback) {
+      Backbone.history || (Backbone.history = new Backbone.History);
+      if (!_.isRegExp(route)) route = this._routeToRegExp(route);
+      Backbone.history.route(route, _.bind(function(fragment) {
+        var args = this._extractParameters(route, fragment);
+        callback.apply(this, args);
+        this.trigger.apply(this, ['route:' + name].concat(args));
+      }, this));
+    },
+
+    // Simple proxy to `Backbone.history` to save a fragment into the history.
+    navigate : function(fragment, triggerRoute) {
+      Backbone.history.navigate(fragment, triggerRoute);
+    },
+
+    // Bind all defined routes to `Backbone.history`. We have to reverse the
+    // order of the routes here to support behavior where the most general
+    // routes can be defined at the bottom of the route map.
+    _bindRoutes : function() {
+      if (!this.routes) return;
+      var routes = [];
+      for (var route in this.routes) {
+        routes.unshift([route, this.routes[route]]);
+      }
+      for (var i = 0, l = routes.length; i < l; i++) {
+        this.route(routes[i][0], routes[i][1], this[routes[i][1]]);
+      }
+    },
+
+    // Convert a route string into a regular expression, suitable for matching
+    // against the current location hash.
+    _routeToRegExp : function(route) {
+      route = route.replace(escapeRegExp, "\\$&")
+                   .replace(namedParam, "([^\/]*)")
+                   .replace(splatParam, "(.*?)");
+      return new RegExp('^' + route + '$');
+    },
+
+    // Given a route, and a URL fragment that it matches, return the array of
+    // extracted parameters.
+    _extractParameters : function(route, fragment) {
+      return route.exec(fragment).slice(1);
+    }
+
+  });
+
+  // Backbone.History
+  // ----------------
+
+  // Handles cross-browser history management, based on URL fragments. If the
+  // browser does not support `onhashchange`, falls back to polling.
+  Backbone.History = function() {
+    this.handlers = [];
+    _.bindAll(this, 'checkUrl');
+  };
+
+  // Cached regex for cleaning hashes.
+  var hashStrip = /^#*/;
+
+  // Cached regex for detecting MSIE.
+  var isExplorer = /msie [\w.]+/;
+
+  // Has the history handling already been started?
+  var historyStarted = false;
+
+  // Set up all inheritable **Backbone.History** properties and methods.
+  _.extend(Backbone.History.prototype, {
+
+    // The default interval to poll for hash changes, if necessary, is
+    // twenty times a second.
+    interval: 50,
+
+    // Get the cross-browser normalized URL fragment, either from the URL,
+    // the hash, or the override.
+    getFragment : function(fragment, forcePushState) {
+      if (fragment == null) {
+        if (this._hasPushState || forcePushState) {
+          fragment = window.location.pathname;
+          var search = window.location.search;
+          if (search) fragment += search;
+          if (fragment.indexOf(this.options.root) == 0) fragment = fragment.substr(this.options.root.length);
+        } else {
+          fragment = window.location.hash;
+        }
+      }
+      return fragment.replace(hashStrip, '');
+    },
+
+    // Start the hash change handling, returning `true` if the current URL matches
+    // an existing route, and `false` otherwise.
+    start : function(options) {
+
+      // Figure out the initial configuration. Do we need an iframe?
+      // Is pushState desired ... is it available?
+      if (historyStarted) throw new Error("Backbone.history has already been started");
+      this.options          = _.extend({}, {root: '/'}, this.options, options);
+      this._wantsPushState  = !!this.options.pushState;
+      this._hasPushState    = !!(this.options.pushState && window.history && window.history.pushState);
+      var fragment          = this.getFragment();
+      var docMode           = document.documentMode;
+      var oldIE             = (isExplorer.exec(navigator.userAgent.toLowerCase()) && (!docMode || docMode <= 7));
+      if (oldIE) {
+        this.iframe = $('<iframe src="javascript:0" tabindex="-1" />').hide().appendTo('body')[0].contentWindow;
+        this.navigate(fragment);
+      }
+
+      // Depending on whether we're using pushState or hashes, and whether
+      // 'onhashchange' is supported, determine how we check the URL state.
+      if (this._hasPushState) {
+        $(window).bind('popstate', this.checkUrl);
+      } else if ('onhashchange' in window && !oldIE) {
+        $(window).bind('hashchange', this.checkUrl);
+      } else {
+        setInterval(this.checkUrl, this.interval);
+      }
+
+      // Determine if we need to change the base url, for a pushState link
+      // opened by a non-pushState browser.
+      this.fragment = fragment;
+      historyStarted = true;
+      var loc = window.location;
+      var atRoot  = loc.pathname == this.options.root;
+      if (this._wantsPushState && !this._hasPushState && !atRoot) {
+        this.fragment = this.getFragment(null, true);
+        window.location.replace(this.options.root + '#' + this.fragment);
+      } else if (this._wantsPushState && this._hasPushState && atRoot && loc.hash) {
+        this.fragment = loc.hash.replace(hashStrip, '');
+        window.history.replaceState({}, document.title, loc.protocol + '//' + loc.host + this.options.root + this.fragment);
+      }
+      return this.loadUrl();
+    },
+
+    // Add a route to be tested when the fragment changes. Routes added later may
+    // override previous routes.
+    route : function(route, callback) {
+      this.handlers.unshift({route : route, callback : callback});
+    },
+
+    // Checks the current URL to see if it has changed, and if it has,
+    // calls `loadUrl`, normalizing across the hidden iframe.
+    checkUrl : function(e) {
+      var current = this.getFragment();
+      if (current == this.fragment && this.iframe) current = this.getFragment(this.iframe.location.hash);
+      if (current == this.fragment || current == decodeURIComponent(this.fragment)) return false;
+      if (this.iframe) this.navigate(current);
+      this.loadUrl() || this.loadUrl(window.location.hash);
+    },
+
+    // Attempt to load the current URL fragment. If a route succeeds with a
+    // match, returns `true`. If no defined routes matches the fragment,
+    // returns `false`.
+    loadUrl : function(fragmentOverride) {
+      var fragment = this.fragment = this.getFragment(fragmentOverride);
+      var matched = _.any(this.handlers, function(handler) {
+        if (handler.route.test(fragment)) {
+          handler.callback(fragment);
+          return true;
+        }
+      });
+      return matched;
+    },
+
+    // Save a fragment into the hash history. You are responsible for properly
+    // URL-encoding the fragment in advance. This does not trigger
+    // a `hashchange` event.
+    navigate : function(fragment, triggerRoute) {
+      var frag = (fragment || '').replace(hashStrip, '');
+      if (this.fragment == frag || this.fragment == decodeURIComponent(frag)) return;
+      if (this._hasPushState) {
+        var loc = window.location;
+        if (frag.indexOf(this.options.root) != 0) frag = this.options.root + frag;
+        this.fragment = frag;
+        window.history.pushState({}, document.title, loc.protocol + '//' + loc.host + frag);
+      } else {
+        window.location.hash = this.fragment = frag;
+        if (this.iframe && (frag != this.getFragment(this.iframe.location.hash))) {
+          this.iframe.document.open().close();
+          this.iframe.location.hash = frag;
+        }
+      }
+      if (triggerRoute) this.loadUrl(fragment);
+    }
+
+  });
+
+  // Backbone.View
+  // -------------
+
+  // Creating a Backbone.View creates its initial element outside of the DOM,
+  // if an existing element is not provided...
+  Backbone.View = function(options) {
+    this.cid = _.uniqueId('view');
+    this._configure(options || {});
+    this._ensureElement();
+    this.delegateEvents();
+    this.initialize.apply(this, arguments);
+  };
+
+  // Element lookup, scoped to DOM elements within the current view.
+  // This should be prefered to global lookups, if you're dealing with
+  // a specific view.
+  var selectorDelegate = function(selector) {
+    return $(selector, this.el);
+  };
+
+  // Cached regex to split keys for `delegate`.
+  var eventSplitter = /^(\S+)\s*(.*)$/;
+
+  // List of view options to be merged as properties.
+  var viewOptions = ['model', 'collection', 'el', 'id', 'attributes', 'className', 'tagName'];
+
+  // Set up all inheritable **Backbone.View** properties and methods.
+  _.extend(Backbone.View.prototype, Backbone.Events, {
+
+    // The default `tagName` of a View's element is `"div"`.
+    tagName : 'div',
+
+    // Attach the `selectorDelegate` function as the `$` property.
+    $       : selectorDelegate,
+
+    // Initialize is an empty function by default. Override it with your own
+    // initialization logic.
+    initialize : function(){},
+
+    // **render** is the core function that your view should override, in order
+    // to populate its element (`this.el`), with the appropriate HTML. The
+    // convention is for **render** to always return `this`.
+    render : function() {
+      return this;
+    },
+
+    // Remove this view from the DOM. Note that the view isn't present in the
+    // DOM by default, so calling this method may be a no-op.
+    remove : function() {
+      $(this.el).remove();
+      return this;
+    },
+
+    // For small amounts of DOM Elements, where a full-blown template isn't
+    // needed, use **make** to manufacture elements, one at a time.
+    //
+    //     var el = this.make('li', {'class': 'row'}, this.model.escape('title'));
+    //
+    make : function(tagName, attributes, content) {
+      var el = document.createElement(tagName);
+      if (attributes) $(el).attr(attributes);
+      if (content) $(el).html(content);
+      return el;
+    },
+
+    // Set callbacks, where `this.callbacks` is a hash of
+    //
+    // *{"event selector": "callback"}*
+    //
+    //     {
+    //       'mousedown .title':  'edit',
+    //       'click .button':     'save'
+    //     }
+    //
+    // pairs. Callbacks will be bound to the view, with `this` set properly.
+    // Uses event delegation for efficiency.
+    // Omitting the selector binds the event to `this.el`.
+    // This only works for delegate-able events: not `focus`, `blur`, and
+    // not `change`, `submit`, and `reset` in Internet Explorer.
+    delegateEvents : function(events) {
+      if (!(events || (events = this.events))) return;
+      $(this.el).unbind('.delegateEvents' + this.cid);
+      for (var key in events) {
+        var method = this[events[key]];
+        if (!method) throw new Error('Event "' + events[key] + '" does not exist');
+        var match = key.match(eventSplitter);
+        var eventName = match[1], selector = match[2];
+        method = _.bind(method, this);
+        eventName += '.delegateEvents' + this.cid;
+        if (selector === '') {
+          $(this.el).bind(eventName, method);
+        } else {
+          $(this.el).delegate(selector, eventName, method);
+        }
+      }
+    },
+
+    // Performs the initial configuration of a View with a set of options.
+    // Keys with special meaning *(model, collection, id, className)*, are
+    // attached directly to the view.
+    _configure : function(options) {
+      if (this.options) options = _.extend({}, this.options, options);
+      for (var i = 0, l = viewOptions.length; i < l; i++) {
+        var attr = viewOptions[i];
+        if (options[attr]) this[attr] = options[attr];
+      }
+      this.options = options;
+    },
+
+    // Ensure that the View has a DOM element to render into.
+    // If `this.el` is a string, pass it through `$()`, take the first
+    // matching element, and re-assign it to `el`. Otherwise, create
+    // an element from the `id`, `className` and `tagName` proeprties.
+    _ensureElement : function() {
+      if (!this.el) {
+        var attrs = this.attributes || {};
+        if (this.id) attrs.id = this.id;
+        if (this.className) attrs['class'] = this.className;
+        this.el = this.make(this.tagName, attrs);
+      } else if (_.isString(this.el)) {
+        this.el = $(this.el).get(0);
+      }
+    }
+
+  });
+
+  // The self-propagating extend function that Backbone classes use.
+  var extend = function (protoProps, classProps) {
+    var child = inherits(this, protoProps, classProps);
+    child.extend = this.extend;
+    return child;
+  };
+
+  // Set up inheritance for the model, collection, and view.
+  Backbone.Model.extend = Backbone.Collection.extend =
+    Backbone.Router.extend = Backbone.View.extend = extend;
+
+  // Map from CRUD to HTTP for our default `Backbone.sync` implementation.
+  var methodMap = {
+    'create': 'POST',
+    'update': 'PUT',
+    'delete': 'DELETE',
+    'read'  : 'GET'
+  };
+
+  // Backbone.sync
+  // -------------
+
+  // Override this function to change the manner in which Backbone persists
+  // models to the server. You will be passed the type of request, and the
+  // model in question. By default, uses makes a RESTful Ajax request
+  // to the model's `url()`. Some possible customizations could be:
+  //
+  // * Use `setTimeout` to batch rapid-fire updates into a single request.
+  // * Send up the models as XML instead of JSON.
+  // * Persist models via WebSockets instead of Ajax.
+  //
+  // Turn on `Backbone.emulateHTTP` in order to send `PUT` and `DELETE` requests
+  // as `POST`, with a `_method` parameter containing the true HTTP method,
+  // as well as all requests with the body as `application/x-www-form-urlencoded` instead of
+  // `application/json` with the model in a param named `model`.
+  // Useful when interfacing with server-side languages like **PHP** that make
+  // it difficult to read the body of `PUT` requests.
+  Backbone.sync = function(method, model, options) {
+    var type = methodMap[method];
+
+    // Default JSON-request options.
+    var params = _.extend({
+      type:         type,
+      dataType:     'json',
+      processData:  false
+    }, options);
+
+    // Ensure that we have a URL.
+    if (!params.url) {
+      params.url = getUrl(model) || urlError();
+    }
+
+    // Ensure that we have the appropriate request data.
+    if (!params.data && model && (method == 'create' || method == 'update')) {
+      params.contentType = 'application/json';
+      params.data = JSON.stringify(model.toJSON());
+    }
+
+    // For older servers, emulate JSON by encoding the request into an HTML-form.
+    if (Backbone.emulateJSON) {
+      params.contentType = 'application/x-www-form-urlencoded';
+      params.processData = true;
+      params.data        = params.data ? {model : params.data} : {};
+    }
+
+    // For older servers, emulate HTTP by mimicking the HTTP method with `_method`
+    // And an `X-HTTP-Method-Override` header.
+    if (Backbone.emulateHTTP) {
+      if (type === 'PUT' || type === 'DELETE') {
+        if (Backbone.emulateJSON) params.data._method = type;
+        params.type = 'POST';
+        params.beforeSend = function(xhr) {
+          xhr.setRequestHeader('X-HTTP-Method-Override', type);
+        };
+      }
+    }
+
+    // Make the request.
+    return $.ajax(params);
+  };
+
+  // Helpers
+  // -------
+
+  // Shared empty constructor function to aid in prototype-chain creation.
+  var ctor = function(){};
+
+  // Helper function to correctly set up the prototype chain, for subclasses.
+  // Similar to `goog.inherits`, but uses a hash of prototype properties and
+  // class properties to be extended.
+  var inherits = function(parent, protoProps, staticProps) {
+    var child;
+
+    // The constructor function for the new subclass is either defined by you
+    // (the "constructor" property in your `extend` definition), or defaulted
+    // by us to simply call `super()`.
+    if (protoProps && protoProps.hasOwnProperty('constructor')) {
+      child = protoProps.constructor;
+    } else {
+      child = function(){ return parent.apply(this, arguments); };
+    }
+
+    // Inherit class (static) properties from parent.
+    _.extend(child, parent);
+
+    // Set the prototype chain to inherit from `parent`, without calling
+    // `parent`'s constructor function.
+    ctor.prototype = parent.prototype;
+    child.prototype = new ctor();
+
+    // Add prototype properties (instance properties) to the subclass,
+    // if supplied.
+    if (protoProps) _.extend(child.prototype, protoProps);
+
+    // Add static properties to the constructor function, if supplied.
+    if (staticProps) _.extend(child, staticProps);
+
+    // Correctly set child's `prototype.constructor`.
+    child.prototype.constructor = child;
+
+    // Set a convenience property in case the parent's prototype is needed later.
+    child.__super__ = parent.prototype;
+
+    return child;
+  };
+
+  // Helper function to get a URL from a Model or Collection as a property
+  // or as a function.
+  var getUrl = function(object) {
+    if (!(object && object.url)) return null;
+    return _.isFunction(object.url) ? object.url() : object.url;
+  };
+
+  // Throw an error when a URL is needed, and none is supplied.
+  var urlError = function() {
+    throw new Error('A "url" property or function must be specified');
+  };
+
+  // Wrap an optional error callback with a fallback error event.
+  var wrapError = function(onError, model, options) {
+    return function(resp) {
+      if (onError) {
+        onError(model, resp, options);
+      } else {
+        model.trigger('error', model, resp, options);
+      }
+    };
+  };
+
+  // Helper function to escape a string for HTML rendering.
+  var escapeHTML = function(string) {
+    return string.replace(/&(?!\w+;|#\d+;|#x[\da-f]+;)/gi, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;').replace(/'/g, '&#x27').replace(/\//g,'&#x2F;');
+  };
+
+}).call(this);

js/vendor/jquery-1.5.1.min.js

+/*!
+ * jQuery JavaScript Library v1.5.1
+ * http://jquery.com/
+ *
+ * Copyright 2011, John Resig
+ * Dual licensed under the MIT or GPL Version 2 licenses.
+ * http://jquery.org/license
+ *
+ * Includes Sizzle.js
+ * http://sizzlejs.com/
+ * Copyright 2011, The Dojo Foundation
+ * Released under the MIT, BSD, and GPL Licenses.
+ *
+ * Date: Wed Feb 23 13:55:29 2011 -0500
+ */
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e=d.css(a,"position");e==="static"&&(a.style.position="relative");var f=d(a),g=f.offset(),h=d.css(a,"top"),i=d.css(a,"left"),j=e==="absolute"&&d.inArray("auto",[h,i])>-1,k={},l={},m,n;j&&(l=f.position()),m=j?l.top:parseInt(h,10)||0,n=j?l.left:parseInt(i,10)||0,d.isFunction(b)&&(b=b.call(a,c,g)),b.top!=null&&(k.top=b.top-g.top+m),b.left!=null&&(k.left=b.left-g.left+n),"using"in b?b.using.call(a,k):f.css(k)}},d.fn.extend({position:function(){if(!this[0])return null;var a=this[0],b=this.offsetParent(),c=this.offset(),e=cf.test(b[0].nodeName)?{top:0,left:0}:b.offset();c.top-=parseFloat(d.css(a,"marginTop"))||0,c.left-=parseFloat(d.css(a,"marginLeft"))||0,e.top+=parseFloat(d.css(b[0],"borderTopWidth"))||0,e.left+=parseFloat(d.css(b[0],"borderLeftWidth"))||0;return{top:c.top-e.top,left:c.left-e.left}},offsetParent:function(){return this.map(function(){var a=this.offsetParent||c.body;while(a&&(!cf.test(a.nodeName)&&d.css(a,"position")==="static"))a=a.offsetParent;return 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js/vendor/modernizr-1.6.min.js

+/*
+ * Modernizr v1.6
+ * http://www.modernizr.com
+ *
+ * Developed by: 
+ * - Faruk Ates  http://farukat.es/
+ * - Paul Irish  http://paulirish.com/
+ *
+ * Copyright (c) 2009-2010
+ * Dual-licensed under the BSD or MIT licenses.
+ * http://www.modernizr.com/license/
+ */
+window.Modernizr=function(i,e,u){function s(a,b){return(""+a).indexOf(b)!==-1}function D(a,b){for(var c in a)if(j[a[c]]!==u&&(!b||b(a[c],E)))return true}function n(a,b){var c=a.charAt(0).toUpperCase()+a.substr(1);c=(a+" "+F.join(c+" ")+c).split(" ");return!!D(c,b)}function S(){f.input=function(a){for(var b=0,c=a.length;b<c;b++)L[a[b]]=!!(a[b]in h);return L}("autocomplete autofocus list placeholder max min multiple pattern required step".split(" "));f.inputtypes=function(a){for(var b=0,c,k=a.length;b<
+k;b++){h.setAttribute("type",a[b]);if(c=h.type!=="text"){h.value=M;if(/^range$/.test(h.type)&&h.style.WebkitAppearance!==u){l.appendChild(h);c=e.defaultView;c=c.getComputedStyle&&c.getComputedStyle(h,null).WebkitAppearance!=="textfield"&&h.offsetHeight!==0;l.removeChild(h)}else/^(search|tel)$/.test(h.type)||(c=/^(url|email)$/.test(h.type)?h.checkValidity&&h.checkValidity()===false:h.value!=M)}N[a[b]]=!!c}return N}("search tel url email datetime date month week time datetime-local number range color".split(" "))}
+var f={},l=e.documentElement,E=e.createElement("modernizr"),j=E.style,h=e.createElement("input"),M=":)",O=Object.prototype.toString,q=" -webkit- -moz- -o- -ms- -khtml- ".split(" "),F="Webkit Moz O ms Khtml".split(" "),v={svg:"http://www.w3.org/2000/svg"},d={},N={},L={},P=[],w,Q=function(a){var b=document.createElement("style"),c=e.createElement("div");b.textContent=a+"{#modernizr{height:3px}}";(e.head||e.getElementsByTagName("head")[0]).appendChild(b);c.id="modernizr";l.appendChild(c);a=c.offsetHeight===
+3;b.parentNode.removeChild(b);c.parentNode.removeChild(c);return!!a},o=function(){var a={select:"input",change:"input",submit:"form",reset:"form",error:"img",load:"img",abort:"img"};return function(b,c){c=c||document.createElement(a[b]||"div");b="on"+b;var k=b in c;if(!k){c.setAttribute||(c=document.createElement("div"));if(c.setAttribute&&c.removeAttribute){c.setAttribute(b,"");k=typeof c[b]=="function";if(typeof c[b]!="undefined")c[b]=u;c.removeAttribute(b)}}return k}}(),G={}.hasOwnProperty,R;R=
+typeof G!=="undefined"&&typeof G.call!=="undefined"?function(a,b){return G.call(a,b)}:function(a,b){return b in a&&typeof a.constructor.prototype[b]==="undefined"};d.flexbox=function(){var a=e.createElement("div"),b=e.createElement("div");(function(k,g,r,x){g+=":";k.style.cssText=(g+q.join(r+";"+g)).slice(0,-g.length)+(x||"")})(a,"display","box","width:42px;padding:0;");b.style.cssText=q.join("box-flex:1;")+"width:10px;";a.appendChild(b);l.appendChild(a);var c=b.offsetWidth===42;a.removeChild(b);
+l.removeChild(a);return c};d.canvas=function(){var a=e.createElement("canvas");return!!(a.getContext&&a.getContext("2d"))};d.canvastext=function(){return!!(f.canvas&&typeof e.createElement("canvas").getContext("2d").fillText=="function")};d.webgl=function(){var a=e.createElement("canvas");try{if(a.getContext("webgl"))return true}catch(b){}try{if(a.getContext("experimental-webgl"))return true}catch(c){}return false};d.touch=function(){return"ontouchstart"in i||Q("@media ("+q.join("touch-enabled),(")+
+"modernizr)")};d.geolocation=function(){return!!navigator.geolocation};d.postmessage=function(){return!!i.postMessage};d.websqldatabase=function(){return!!i.openDatabase};d.indexedDB=function(){for(var a=-1,b=F.length;++a<b;){var c=F[a].toLowerCase();if(i[c+"_indexedDB"]||i[c+"IndexedDB"])return true}return false};d.hashchange=function(){return o("hashchange",i)&&(document.documentMode===u||document.documentMode>7)};d.history=function(){return!!(i.history&&history.pushState)};d.draganddrop=function(){return o("drag")&&
+o("dragstart")&&o("dragenter")&&o("dragover")&&o("dragleave")&&o("dragend")&&o("drop")};d.websockets=function(){return"WebSocket"in i};d.rgba=function(){j.cssText="background-color:rgba(150,255,150,.5)";return s(j.backgroundColor,"rgba")};d.hsla=function(){j.cssText="background-color:hsla(120,40%,100%,.5)";return s(j.backgroundColor,"rgba")||s(j.backgroundColor,"hsla")};d.multiplebgs=function(){j.cssText="background:url(//:),url(//:),red url(//:)";return/(url\s*\(.*?){3}/.test(j.background)};d.backgroundsize=
+function(){return n("backgroundSize")};d.borderimage=function(){return n("borderImage")};d.borderradius=function(){return n("borderRadius","",function(a){return s(a,"orderRadius")})};d.boxshadow=function(){return n("boxShadow")};d.textshadow=function(){return e.createElement("div").style.textShadow===""};d.opacity=function(){var a=q.join("opacity:.5;")+"";j.cssText=a;return s(j.opacity,"0.5")};d.cssanimations=function(){return n("animationName")};d.csscolumns=function(){return n("columnCount")};d.cssgradients=
+function(){var a=("background-image:"+q.join("gradient(linear,left top,right bottom,from(#9f9),to(white));background-image:")+q.join("linear-gradient(left top,#9f9, white);background-image:")).slice(0,-17);j.cssText=a;return s(j.backgroundImage,"gradient")};d.cssreflections=function(){return n("boxReflect")};d.csstransforms=function(){return!!D(["transformProperty","WebkitTransform","MozTransform","OTransform","msTransform"])};d.csstransforms3d=function(){var a=!!D(["perspectiveProperty","WebkitPerspective",
+"MozPerspective","OPerspective","msPerspective"]);if(a)a=Q("@media ("+q.join("transform-3d),(")+"modernizr)");return a};d.csstransitions=function(){return n("transitionProperty")};d.fontface=function(){var a,b=e.head||e.getElementsByTagName("head")[0]||l,c=e.createElement("style"),k=e.implementation||{hasFeature:function(){return false}};c.type="text/css";b.insertBefore(c,b.firstChild);a=c.sheet||c.styleSheet;b=k.hasFeature("CSS2","")?function(g){if(!(a&&g))return false;var r=false;try{a.insertRule(g,
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+b.h264=a.canPlayType('video/mp4; codecs="avc1.42E01E"')||a.canPlayType('video/mp4; codecs="avc1.42E01E, mp4a.40.2"');b.webm=a.canPlayType('video/webm; codecs="vp8, vorbis"')}return b};d.audio=function(){var a=e.createElement("audio"),b=!!a.canPlayType;if(b){b=new Boolean(b);b.ogg=a.canPlayType('audio/ogg; codecs="vorbis"');b.mp3=a.canPlayType("audio/mpeg;");b.wav=a.canPlayType('audio/wav; codecs="1"');b.m4a=a.canPlayType("audio/x-m4a;")||a.canPlayType("audio/aac;")}return b};d.localstorage=function(){try{return"localStorage"in
+i&&i.localStorage!==null}catch(a){return false}};d.sessionstorage=function(){try{return"sessionStorage"in i&&i.sessionStorage!==null}catch(a){return false}};d.webWorkers=function(){return!!i.Worker};d.applicationcache=function(){return!!i.applicationCache};d.svg=function(){return!!e.createElementNS&&!!e.createElementNS(v.svg,"svg").createSVGRect};d.inlinesvg=function(){var a=document.createElement("div");a.innerHTML="<svg/>";return(a.firstChild&&a.firstChild.namespaceURI)==v.svg};d.smil=function(){return!!e.createElementNS&&
+/SVG/.test(O.call(e.createElementNS(v.svg,"animate")))};d.svgclippaths=function(){return!!e.createElementNS&&/SVG/.test(O.call(e.createElementNS(v.svg,"clipPath")))};for(var H in d)if(R(d,H)){w=H.toLowerCase();f[w]=d[H]();P.push((f[w]?"":"no-")+w)}f.input||S();f.crosswindowmessaging=f.postmessage;f.historymanagement=f.history;f.addTest=function(a,b){a=a.toLowerCase();if(!f[a]){b=!!b();l.className+=" "+(b?"":"no-")+a;f[a]=b;return f}};j.cssText="";E=h=null;i.attachEvent&&function(){var a=e.createElement("div");
+a.innerHTML="<elem></elem>";return a.childNodes.length!==1}()&&function(a,b){function c(p){for(var m=-1;++m<r;)p.createElement(g[m])}function k(p,m){for(var I=p.length,t=-1,y,J=[];++t<I;){y=p[t];m=y.media||m;J.push(k(y.imports,m));J.push(y.cssText)}return J.join("")}var g="abbr|article|aside|audio|canvas|details|figcaption|figure|footer|header|hgroup|mark|meter|nav|output|progress|section|summary|time|video".split("|"),r=g.length,x=RegExp("<(/*)(abbr|article|aside|audio|canvas|details|figcaption|figure|footer|header|hgroup|mark|meter|nav|output|progress|section|summary|time|video)",
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js/vendor/underscore.js

+//     Underscore.js 1.1.4
+//     (c) 2011 Jeremy Ashkenas, DocumentCloud Inc.
+//     Underscore is freely distributable under the MIT license.
+//     Portions of Underscore are inspired or borrowed from Prototype,
+//     Oliver Steele's Functional, and John Resig's Micro-Templating.
+//     For all details and documentation:
+//     http://documentcloud.github.com/underscore
+
+(function() {
+
+  // Baseline setup
+  // --------------
+
+  // Establish the root object, `window` in the browser, or `global` on the server.
+  var root = this;
+
+  // Save the previous value of the `_` variable.
+  var previousUnderscore = root._;
+
+  // Establish the object that gets returned to break out of a loop iteration.
+  var breaker = {};
+
+  // Save bytes in the minified (but not gzipped) version:
+  var ArrayProto = Array.prototype, ObjProto = Object.prototype;
+
+  // Create quick reference variables for speed access to core prototypes.
+  var slice            = ArrayProto.slice,
+      unshift          = ArrayProto.unshift,
+      toString         = ObjProto.toString,
+      hasOwnProperty   = ObjProto.hasOwnProperty;
+
+  // All **ECMAScript 5** native function implementations that we hope to use
+  // are declared here.
+  var
+    nativeForEach      = ArrayProto.forEach,
+    nativeMap          = ArrayProto.map,
+    nativeReduce       = ArrayProto.reduce,
+    nativeReduceRight  = ArrayProto.reduceRight,
+    nativeFilter       = ArrayProto.filter,
+    nativeEvery        = ArrayProto.every,
+    nativeSome         = ArrayProto.some,
+    nativeIndexOf      = ArrayProto.indexOf,
+    nativeLastIndexOf  = ArrayProto.lastIndexOf,
+    nativeIsArray      = Array.isArray,
+    nativeKeys         = Object.keys;
+
+  // Create a safe reference to the Underscore object for use below.
+  var _ = function(obj) { return new wrapper(obj); };
+
+  // Export the Underscore object for **CommonJS**, with backwards-compatibility
+  // for the old `require()` API. If we're not in CommonJS, add `_` to the
+  // global object.
+  if (typeof module !== 'undefined' && module.exports) {
+    module.exports = _;
+    _._ = _;
+  } else {
+    root._ = _;
+  }
+
+  // Current version.
+  _.VERSION = '1.1.4';
+
+  // Collection Functions
+  // --------------------
+
+  // The cornerstone, an `each` implementation, aka `forEach`.
+  // Handles objects implementing `forEach`, arrays, and raw objects.
+  // Delegates to **ECMAScript 5**'s native `forEach` if available.
+  var each = _.each = _.forEach = function(obj, iterator, context) {
+    var value;
+    if (obj == null) return;
+    if (nativeForEach && obj.forEach === nativeForEach) {
+      obj.forEach(iterator, context);
+    } else if (_.isNumber(obj.length)) {
+      for (var i = 0, l = obj.length; i < l; i++) {
+        if (iterator.call(context, obj[i], i, obj) === breaker) return;
+      }
+    } else {
+      for (var key in obj) {
+        if (hasOwnProperty.call(obj, key)) {
+          if (iterator.call(context, obj[key], key, obj) === breaker) return;
+        }
+      }
+    }
+  };
+
+  // Return the results of applying the iterator to each element.
+  // Delegates to **ECMAScript 5**'s native `map` if available.
+  _.map = function(obj, iterator, context) {
+    var results = [];
+    if (obj == null) return results;
+    if (nativeMap && obj.map === nativeMap) return obj.map(iterator, context);
+    each(obj, function(value, index, list) {
+      results[results.length] = iterator.call(context, value, index, list);
+    });
+    return results;
+  };
+
+  // **Reduce** builds up a single result from a list of values, aka `inject`,
+  // or `foldl`. Delegates to **ECMAScript 5**'s native `reduce` if available.
+  _.reduce = _.foldl = _.inject = function(obj, iterator, memo, context) {
+    var initial = memo !== void 0;
+    if (obj == null) obj = [];
+    if (nativeReduce && obj.reduce === nativeReduce) {
+      if (context) iterator = _.bind(iterator, context);
+      return initial ? obj.reduce(iterator, memo) : obj.reduce(iterator);
+    }
+    each(obj, function(value, index, list) {
+      if (!initial && index === 0) {
+        memo = value;
+        initial = true;
+      } else {
+        memo = iterator.call(context, memo, value, index, list);
+      }
+    });
+    if (!initial) throw new TypeError("Reduce of empty array with no initial value");
+    return memo;
+  };
+
+  // The right-associative version of reduce, also known as `foldr`.
+  // Delegates to **ECMAScript 5**'s native `reduceRight` if available.
+  _.reduceRight = _.foldr = function(obj, iterator, memo, context) {
+    if (obj == null) obj = [];
+    if (nativeReduceRight && obj.reduceRight === nativeReduceRight) {
+      if (context) iterator = _.bind(iterator, context);
+      return memo !== void 0 ? obj.reduceRight(iterator, memo) : obj.reduceRight(iterator);
+    }
+    var reversed = (_.isArray(obj) ? obj.slice() : _.toArray(obj)).reverse();
+    return _.reduce(reversed, iterator, memo, context);
+  };
+
+  // Return the first value which passes a truth test. Aliased as `detect`.
+  _.find = _.detect = function(obj, iterator, context) {
+    var result;
+    any(obj, function(value, index, list) {
+      if (iterator.call(context, value, index, list)) {
+        result = value;
+        return true;
+      }
+    });
+    return result;
+  };
+
+  // Return all the elements that pass a truth test.
+  // Delegates to **ECMAScript 5**'s native `filter` if available.
+  // Aliased as `select`.
+  _.filter = _.select = function(obj, iterator, context) {
+    var results = [];
+    if (obj == null) return results;
+    if (nativeFilter && obj.filter === nativeFilter) return obj.filter(iterator, context);
+    each(obj, function(value, index, list) {
+      if (iterator.call(context, value, index, list)) results[results.length] = value;
+    });
+    return results;
+  };
+
+  // Return all the elements for which a truth test fails.
+  _.reject = function(obj, iterator, context) {
+    var results = [];
+    if (obj == null) return results;
+    each(obj, function(value, index, list) {
+      if (!iterator.call(context, value, index, list)) results[results.length] = value;
+    });
+    return results;
+  };
+
+  // Determine whether all of the elements match a truth test.
+  // Delegates to **ECMAScript 5**'s native `every` if available.
+  // Aliased as `all`.
+  _.every = _.all = function(obj, iterator, context) {
+    iterator = iterator || _.identity;
+    var result = true;
+    if (obj == null) return result;
+    if (nativeEvery && obj.every === nativeEvery) return obj.every(iterator, context);
+    each(obj, function(value, index, list) {
+      if (!(result = result && iterator.call(context, value, index, list))) return breaker;
+    });
+    return result;
+  };
+
+  // Determine if at least one element in the object matches a truth test.
+  // Delegates to **ECMAScript 5**'s native `some` if available.
+  // Aliased as `any`.
+  var any = _.some = _.any = function(obj, iterator, context) {
+    iterator = iterator || _.identity;
+    var result = false;
+    if (obj == null) return result;
+    if (nativeSome && obj.some === nativeSome) return obj.some(iterator, context);
+    each(obj, function(value, index, list) {
+      if (result = iterator.call(context, value, index, list)) return breaker;
+    });
+    return result;
+  };
+
+  // Determine if a given value is included in the array or object using `===`.
+  // Aliased as `contains`.
+  _.include = _.contains = function(obj, target) {
+    var found = false;
+    if (obj == null) return found;
+    if (nativeIndexOf && obj.indexOf === nativeIndexOf) return obj.indexOf(target) != -1;
+    any(obj, function(value) {
+      if (found = value === target) return true;
+    });
+    return found;
+  };
+
+  // Invoke a method (with arguments) on every item in a collection.
+  _.invoke = function(obj, method) {
+    var args = slice.call(arguments, 2);
+    return _.map(obj, function(value) {
+      return (method ? value[method] : value).apply(value, args);
+    });
+  };
+
+  // Convenience version of a common use case of `map`: fetching a property.
+  _.pluck = function(obj, key) {
+    return _.map(obj, function(value){ return value[key]; });
+  };
+
+  // Return the maximum element or (element-based computation).
+  _.max = function(obj, iterator, context) {
+    if (!iterator && _.isArray(obj)) return Math.max.apply(Math, obj);
+    var result = {computed : -Infinity};
+    each(obj, function(value, index, list) {
+      var computed = iterator ? iterator.call(context, value, index, list) : value;
+      computed >= result.computed && (result = {value : value, computed : computed});
+    });
+    return result.value;
+  };
+
+  // Return the minimum element (or element-based computation).
+  _.min = function(obj, iterator, context) {
+    if (!iterator && _.isArray(obj)) return Math.min.apply(Math, obj);
+    var result = {computed : Infinity};
+    each(obj, function(value, index, list) {
+      var computed = iterator ? iterator.call(context, value, index, list) : value;
+      computed < result.computed && (result = {value : value, computed : computed});
+    });
+    return result.value;
+  };
+
+  // Sort the object's values by a criterion produced by an iterator.
+  _.sortBy = function(obj, iterator, context) {
+    return _.pluck(_.map(obj, function(value, index, list) {
+      return {
+        value : value,
+        criteria : iterator.call(context, value, index, list)
+      };
+    }).sort(function(left, right) {
+      var a = left.criteria, b = right.criteria;
+      return a < b ? -1 : a > b ? 1 : 0;
+    }), 'value');
+  };
+
+  // Use a comparator function to figure out at what index an object should
+  // be inserted so as to maintain order. Uses binary search.
+  _.sortedIndex = function(array, obj, iterator) {
+    iterator = iterator || _.identity;
+    var low = 0, high = array.length;
+    while (low < high) {
+      var mid = (low + high) >> 1;
+      iterator(array[mid]) < iterator(obj) ? low = mid + 1 : high = mid;
+    }
+    return low;
+  };
+
+  // Safely convert anything iterable into a real, live array.
+  _.toArray = function(iterable) {
+    if (!iterable)                return [];
+    if (iterable.toArray)         return iterable.toArray();
+    if (_.isArray(iterable))      return iterable;
+    if (_.isArguments(iterable))  return slice.call(iterable);
+    return _.values(iterable);
+  };
+
+  // Return the number of elements in an object.
+  _.size = function(obj) {
+    return _.toArray(obj).length;
+  };
+
+  // Array Functions
+  // ---------------
+
+  // Get the first element of an array. Passing **n** will return the first N
+  // values in the array. Aliased as `head`. The **guard** check allows it to work
+  // with `_.map`.
+  _.first = _.head = function(array, n, guard) {
+    return n && !guard ? slice.call(array, 0, n) : array[0];
+  };
+
+  // Returns everything but the first entry of the array. Aliased as `tail`.
+  // Especially useful on the arguments object. Passing an **index** will return
+  // the rest of the values in the array from that index onward. The **guard**
+  // check allows it to work with `_.map`.
+  _.rest = _.tail = function(array, index, guard) {
+    return slice.call(array, _.isUndefined(index) || guard ? 1 : index);
+  };
+
+  // Get the last element of an array.
+  _.last = function(array) {
+    return array[array.length - 1];
+  };
+
+  // Trim out all falsy values from an array.
+  _.compact = function(array) {
+    return _.filter(array, function(value){ return !!value; });
+  };
+
+  // Return a completely flattened version of an array.
+  _.flatten = function(array) {
+    return _.reduce(array, function(memo, value) {
+      if (_.isArray(value)) return memo.concat(_.flatten(value));
+      memo[memo.length] = value;
+      return memo;
+    }, []);
+  };
+
+  // Return a version of the array that does not contain the specified value(s).
+  _.without = function(array) {
+    var values = slice.call(arguments, 1);
+    return _.filter(array, function(value){ return !_.include(values, value); });
+  };
+
+  // Produce a duplicate-free version of the array. If the array has already
+  // been sorted, you have the option of using a faster algorithm.
+  // Aliased as `unique`.
+  _.uniq = _.unique = function(array, isSorted) {
+    return _.reduce(array, function(memo, el, i) {
+      if (0 == i || (isSorted === true ? _.last(memo) != el : !_.include(memo, el))) memo[memo.length] = el;
+      return memo;
+    }, []);
+  };
+
+  // Produce an array that contains every item shared between all the
+  // passed-in arrays.
+  _.intersect = function(array) {
+    var rest = slice.call(arguments, 1);
+    return _.filter(_.uniq(array), function(item) {
+      return _.every(rest, function(other) {
+        return _.indexOf(other, item) >= 0;
+      });
+    });
+  };
+
+  // Zip together multiple lists into a single array -- elements that share
+  // an index go together.
+  _.zip = function() {
+    var args = slice.call(arguments);
+    var length = _.max(_.pluck(args, 'length'));
+    var results = new Array(length);
+    for (var i = 0; i < length; i++) results[i] = _.pluck(args, "" + i);
+    return results;
+  };
+
+  // If the browser doesn't supply us with indexOf (I'm looking at you, **MSIE**),
+  // we need this function. Return the position of the first occurrence of an
+  // item in an array, or -1 if the item is not included in the array.
+  // Delegates to **ECMAScript 5**'s native `indexOf` if available.
+  // If the array is large and already in sort order, pass `true`
+  // for **isSorted** to use binary search.
+  _.indexOf = function(array, item, isSorted) {
+    if (array == null) return -1;
+    if (isSorted) {
+      var i = _.sortedIndex(array, item);
+      return array[i] === item ? i : -1;
+    }
+    if (nativeIndexOf && array.indexOf === nativeIndexOf) return array.indexOf(item);
+    for (var i = 0, l = array.length; i < l; i++) if (array[i] === item) return i;
+    return -1;
+  };
+
+
+  // Delegates to **ECMAScript 5**'s native `lastIndexOf` if available.
+  _.lastIndexOf = function(array, item) {
+    if (array == null) return -1;
+    if (nativeLastIndexOf && array.lastIndexOf === nativeLastIndexOf) return array.lastIndexOf(item);
+    var i = array.length;
+    while (i--) if (array[i] === item) return i;
+    return -1;
+  };
+
+  // Generate an integer Array containing an arithmetic progression. A port of
+  // the native Python `range()` function. See
+  // [the Python documentation](http://docs.python.org/library/functions.html#range).
+  _.range = function(start, stop, step) {
+    var args  = slice.call(arguments),
+        solo  = args.length <= 1,
+        start = solo ? 0 : args[0],
+        stop  = solo ? args[0] : args[1],
+        step  = args[2] || 1,
+        len   = Math.max(Math.ceil((stop - start) / step), 0),
+        idx   = 0,
+        range = new Array(len);
+    while (idx < len) {
+      range[idx++] = start;
+      start += step;
+    }
+    return range;
+  };
+
+  // Function (ahem) Functions
+  // ------------------
+
+  // Create a function bound to a given object (assigning `this`, and arguments,
+  // optionally). Binding with arguments is also known as `curry`.
+  _.bind = function(func, obj) {
+    var args = slice.call(arguments, 2);
+    return function() {
+      return func.apply(obj || {}, args.concat(slice.call(arguments)));
+    };
+  };
+
+  // Bind all of an object's methods to that object. Useful for ensuring that
+  // all callbacks defined on an object belong to it.
+  _.bindAll = function(obj) {
+    var funcs = slice.call(arguments, 1);
+    if (funcs.length == 0) funcs = _.functions(obj);
+    each(funcs, function(f) { obj[f] = _.bind(obj[f], obj); });
+    return obj;
+  };
+
+  // Memoize an expensive function by storing its results.
+  _.memoize = function(func, hasher) {
+    var memo = {};
+    hasher = hasher || _.identity;
+    return function() {
+      var key = hasher.apply(this, arguments);
+      return key in memo ? memo[key] : (memo[key] = func.apply(this, arguments));
+    };
+  };
+
+  // Delays a function for the given number of milliseconds, and then calls
+  // it with the arguments supplied.
+  _.delay = function(func, wait) {
+    var args = slice.call(arguments, 2);
+    return setTimeout(function(){ return func.apply(func, args); }, wait);
+  };
+
+  // Defers a function, scheduling it to run after the current call stack has
+  // cleared.
+  _.defer = function(func) {
+    return _.delay.apply(_, [func, 1].concat(slice.call(arguments, 1)));
+  };
+
+  // Internal function used to implement `_.throttle` and `_.debounce`.
+  var limit = function(func, wait, debounce) {
+    var timeout;
+    return function() {
+      var context = this, args = arguments;
+      var throttler = function() {
+        timeout = null;
+        func.apply(context, args);
+      };
+      if (debounce) clearTimeout(timeout);
+      if (debounce || !timeout) timeout = setTimeout(throttler, wait);
+    };
+  };
+
+  // Returns a function, that, when invoked, will only be triggered at most once
+  // during a given window of time.
+  _.throttle = function(func, wait) {
+    return limit(func, wait, false);
+  };
+
+  // Returns a function, that, as long as it continues to be invoked, will not
+  // be triggered. The function will be called after it stops being called for
+  // N milliseconds.
+  _.debounce = function(func, wait) {
+    return limit(func, wait, true);
+  };
+
+  // Returns the first function passed as an argument to the second,
+  // allowing you to adjust arguments, run code before and after, and
+  // conditionally execute the original function.
+  _.wrap = function(func, wrapper) {
+    return function() {
+      var args = [func].concat(slice.call(arguments));
+      return wrapper.apply(this, args);
+    };
+  };
+
+  // Returns a function that is the composition of a list of functions, each
+  // consuming the return value of the function that follows.
+  _.compose = function() {
+    var funcs = slice.call(arguments);
+    return function() {
+      var args = slice.call(arguments);
+      for (var i=funcs.length-1; i >= 0; i--) {
+        args = [funcs[i].apply(this, args)];
+      }
+      return args[0];
+    };
+  };
+
+  // Object Functions
+  // ----------------
+
+  // Retrieve the names of an object's properties.
+  // Delegates to **ECMAScript 5**'s native `Object.keys`
+  _.keys = nativeKeys || function(obj) {
+    if (_.isArray(obj)) return _.range(0, obj.length);
+    var keys = [];
+    for (var key in obj) if (hasOwnProperty.call(obj, key)) keys[keys.length] = key;
+    return keys;
+  };
+
+  // Retrieve the values of an object's properties.
+  _.values = function(obj) {
+    return _.map(obj, _.identity);
+  };
+
+  // Return a sorted list of the function names available on the object.
+  // Aliased as `methods`
+  _.functions = _.methods = function(obj) {
+    return _.filter(_.keys(obj), function(key){ return _.isFunction(obj[key]); }).sort();
+  };
+
+  // Extend a given object with all the properties in passed-in object(s).
+  _.extend = function(obj) {
+    each(slice.call(arguments, 1), function(source) {
+      for (var prop in source) obj[prop] = source[prop];
+    });
+    return obj;
+  };
+
+  // Create a (shallow-cloned) duplicate of an object.
+  _.clone = function(obj) {
+    return _.isArray(obj) ? obj.slice() : _.extend({}, obj);
+  };
+
+  // Invokes interceptor with the obj, and then returns obj.
+  // The primary purpose of this method is to "tap into" a method chain, in
+  // order to perform operations on intermediate results within the chain.
+  _.tap = function(obj, interceptor) {
+    interceptor(obj);
+    return obj;
+  };
+
+  // Perform a deep comparison to check if two objects are equal.
+  _.isEqual = function(a, b) {
+    // Check object identity.
+    if (a === b) return true;
+    // Different types?
+    var atype = typeof(a), btype = typeof(b);
+    if (atype != btype) return false;
+    // Basic equality test (watch out for coercions).
+    if (a == b) return true;
+    // One is falsy and the other truthy.
+    if ((!a && b) || (a && !b)) return false;
+    // Unwrap any wrapped objects.
+    if (a._chain) a = a._wrapped;
+    if (b._chain) b = b._wrapped;
+    // One of them implements an isEqual()?
+    if (a.isEqual) return a.isEqual(b);
+    // Check dates' integer values.
+    if (_.isDate(a) && _.isDate(b)) return a.getTime() === b.getTime();
+    // Both are NaN?
+    if (_.isNaN(a) && _.isNaN(b)) return false;
+    // Compare regular expressions.
+    if (_.isRegExp(a) && _.isRegExp(b))
+      return a.source     === b.source &&
+             a.global     === b.global &&
+             a.ignoreCase === b.ignoreCase &&
+             a.multiline  === b.multiline;
+    // If a is not an object by this point, we can't handle it.
+    if (atype !== 'object') return false;
+    // Check for different array lengths before comparing contents.
+    if (a.length && (a.length !== b.length)) return false;
+    // Nothing else worked, deep compare the contents.
+    var aKeys = _.keys(a), bKeys = _.keys(b);
+    // Different object sizes?
+    if (aKeys.length != bKeys.length) return false;
+    // Recursive comparison of contents.
+    for (var key in a) if (!(key in b) || !_.isEqual(a[key], b[key])) return false;
+    return true;
+  };
+
+  // Is a given array or object empty?
+  _.isEmpty = function(obj) {
+    if (_.isArray(obj) || _.isString(obj)) return obj.length === 0;
+    for (var key in obj) if (hasOwnProperty.call(obj, key)) return false;
+    return true;
+  };
+
+  // Is a given value a DOM element?
+  _.isElement = function(obj) {
+    return !!(obj && obj.nodeType == 1);
+  };
+
+  // Is a given value an array?
+  // Delegates to ECMA5's native Array.isArray
+  _.isArray = nativeIsArray || function(obj) {
+    return toString.call(obj) === '[object Array]';
+  };
+
+  // Is a given variable an arguments object?
+  _.isArguments = function(obj) {
+    return !!(obj && hasOwnProperty.call(obj, 'callee'));
+  };
+
+  // Is a given value a function?
+  _.isFunction = function(obj) {
+    return !!(obj && obj.constructor && obj.call && obj.apply);
+  };
+
+  // Is a given value a string?
+  _.isString = function(obj) {
+    return !!(obj === '' || (obj && obj.charCodeAt && obj.substr));
+  };
+
+  // Is a given value a number?
+  _.isNumber = function(obj) {
+    return !!(obj === 0 || (obj && obj.toExponential && obj.toFixed));
+  };
+
+  // Is the given value `NaN`? `NaN` happens to be the only value in JavaScript
+  // that does not equal itself.
+  _.isNaN = function(obj) {
+    return obj !== obj;
+  };
+
+  // Is a given value a boolean?
+  _.isBoolean = function(obj) {
+    return obj === true || obj === false;
+  };
+
+  // Is a given value a date?
+  _.isDate = function(obj) {
+    return !!(obj && obj.getTimezoneOffset && obj.setUTCFullYear);
+  };
+
+  // Is the given value a regular expression?
+  _.isRegExp = function(obj) {
+    return !!(obj && obj.test && obj.exec && (obj.ignoreCase || obj.ignoreCase === false));
+  };
+
+  // Is a given value equal to null?
+  _.isNull = function(obj) {
+    return obj === null;
+  };
+
+  // Is a given variable undefined?