Edit menu is not showing after zooming in

set zoomed in window a key window
restore key window after zooming out

![Screenshot 2013 03 03 21 26 56](https://f.cloud.github.com/assets/59230/215471/3a016c62-848d-11e2-9e44-c54ac5a643a8.png)
![Screenshot 2013 03 03 21 26 48](https://f.cloud.github.com/assets/59230/215472/3a361aac-848d-11e2-8f19-897d0975c93f.png)

See more about Edit Menu at http://developer.apple.com/library/ios/#documentation/StringsTextFonts/Conceptual/TextAndWebiPhoneOS/AddingCustomEditMenuItems/AddingCustomEditMenuItems.html

To use Edit Menu with MTZoomWindow lower the window level:

    [MTZoomWindow sharedWindow].windowLevel = UIWindowLevelNormal + 1;

as it is set above the status bar by default:
https://github.com/myell0w/MTZoomWindow/blob/master/MTZoomWindow.m#L42