How to show an opened window in Android Titanium?

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http://stackoverflow.com – I am trying to manage some windows programmatically and I have a button for 'reopen' a previously opened window that's not the current one. I want the 'android:back' button event to work so I don't close them, and when I call the .open method of an opened window in android, the titanium console says that cannot open an opened window. The .show() method neither works. Any ideas? I am totally newbie in Titanium, and I haven't found any responses in their forums. Thanks (HowTos)