If you have already had bad experiences with your employer when you sailed where you shouldn't and when you shouldn'tWith this plugin for Firefox, you can add a Panic Button to your browser toolbar.
This button does the following hide all Firefox windows instantly and when the danger is over, you will be able to Restore them from their taskbar icon. of Windows. So easy and effective, you will avoid a lot of annoyance and fuss.
To download and install it just go to the plugin page.