title: Selenium: Parent window closes once child window is open
body: <p>I have a scenario and facing problem switching to child window</p>
  
  <p>Scenario:
  1. Login Page: Enter user id and password
  2. Click on submit button
  3. System opens a new full size window (without toolbar or URL bar) and the entire application runs in it
  4. As soon as the above child window is opened the parent window (Login Page) is closed</p>