A window opened from app.js - demonstrating lack of functioning zIndex in Titanium windows

base.js

var win = Titanium.UI.currentWindow;
var menuOpen = false;

var lbl = Titanium.UI.createLabel({
	color:'#FFF',
	text:'Base',
	right:0
});
win.add(lbl);



var contentWin1 = Ti.UI.createWindow({
	backgroundColor:'blue',
	url:'contentWin1.js',
	width:1024,
    height:768,
    top:0,
    left:50,
    zIndex:0
});

var contentWin2 = Ti.UI.createWindow({
	backgroundColor:'green',
	url:'contentWin2.js',
	width:1024,
    height:768,
    top:0,
    left:100,
    zIndex:1
});

var menu = Ti.UI.createWindow({
	backgroundColor:'#333',
	url:'menu.js',
	width:512,
    height:768,
    top:0,
    left:0,
    zIndex:2
});

var btn = Ti.UI.createButton({
	title:'Close/Open',
	width:100,
	height:50,
	top:20,
	left:20
});




win.addEventListener('open',function(e){
	Ti.API.info('Base opened from base.js');
	contentWin1.open();
});

contentWin1.addEventListener('open', function(){
	Ti.API.info('win1 opened');
	contentWin2.open();
});

contentWin2.addEventListener('open', function(){
	Ti.API.info('win2 opened');
	if(!menuOpen) {
		menu.open();
		menuOpen = true;
	} else {
		contentWin1.animate({zIndex:10},function(){
			Ti.API.info('win1 z: ' + contentWin1.zIndex);
		});
		contentWin2.animate({zIndex:20,top:10},function(){
			Ti.API.info('win2 z: ' + contentWin2.zIndex);
		});
		menu.animate({zIndex:30,top:10},function(){
			Ti.API.info('menu z: ' + menu.zIndex);
		});
	}
});

menu.addEventListener('open', function(){
	Ti.API.info('menu opened');
	menu.add(btn);
});

btn.addEventListener('click',function(){
	contentWin2.close();
	contentWin2.open();
});