if bz.os is 'android'
	bz.ui.navBar = (args) =>  # raname NavBar
		{windowObject, backgroundURL, leftButtonObject, rightButtonObject, logoImageURL, options} = args
		header = Titanium.UI.createView
			backgroundImage: backgroundURL
			height: '44dp'
			top: 0, left:0, right:0

		if logoImageURL?
			logoImage = Ti.UI.createImageView
				image: logoImageURL
				height:'44dp', width:'160dp'
			header.add logoImage

		header.add leftButtonObject if leftButtonObject?
		header.add rightButtonObject if rightButtonObject?
		windowObject.add header

		return header
else
	bz.ui.navBar = (args) =>
		{windowObject, backgroundURL, leftButtonObject, rightButtonObject, logoImageURL, options} = args

		windowObject.barImage = backgroundURL if backgroundURL?

		windowObject.leftNavButton = leftButtonObject if leftButtonObject?
		windowObject.rightNavButton = rightButtonObject if rightButtonObject?
		windowObject.titleImage = logoImageURL if logoImageURL?

		return