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// Inline assignment inside an 'if' statement works with most programming languages.
// However, in JavaScript there's a gotcha.

// This works in Safari, Firefox & Chrome...but will destroy your life in IE.
if(thing=functionThatReturnsThing()) {
  doStuff();
}

// Do this instead
var thing=functionThatReturnsThing();

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//     Backbone.js 0.9.1

//     (c) 2010-2012 Jeremy Ashkenas, DocumentCloud Inc.
//     Backbone may be freely distributed under the MIT license.
//     For all details and documentation:
//     http://backbonejs.org
//
// HACKED TO BE PROTOTYPE.JS COMPATIBLE BY [SUBIMAGE AT GMAIL DOT COM]
// REQUIRES PROTOTYPE >= 1.7.1
// !!! TODO needs tests!

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  Backbone.BaseCollection = Backbone.Collection.extend({
    // Holds id of locally deleted items we ignore if we 
    // 'freshen' the collection and changes haven't propagated yet.
    _localDeletedIds: [],
    // Take an array of raw objects
    // If the ID matches a model in the collection, set that model
    // If the ID is not found in the collection, add it
    // If a model in the collection is no longer available, remove it
    //
    // Keeps local changes, in case we've added things in the meantime.

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// Splits an array into equal sized chunks
Array.prototype.chunk = function(pieces) {
  pieces = pieces || 2;
  var len = this.length;
  var mid = (len/pieces);
  var chunks = [];
  var start = 0;
  for(var i=0;i<pieces;i++) {
    var last = start+mid;
    if (!len%pieces >= i) {

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/**
 * Take string input in varName and determine whether it is defined object in Javascript
 * ...like isDefined('foo.bar.baz');
 * Better than doing if(foo && foo.bar && foo.bar.baz){} 
 * @param {String} varName
 * @return {boolean}
 * @author Bilal Soylu
 */
function isDefined(varName) {
  var retStatus = false;

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//Ext.ns('CbMobile', 'CbMobile.views');

new Ext.Application({
  name: 'CbMobile',
  SIDEBAR_WIDTH: 320,
  MENU_WIDTH: 250,
  MENU_HEIGHT: 200,

  launch: function() {
    var app = this;