open selected tab in new (browser) tabsheet

Hi, i would like to be able to open the currently selected tab in my tabsheet in a new browser window (preferably in the same browser window, but as a new tabsheet). The most convient way for me would be to have a link, where you can rightclick and say 'open in new tabsheet'. However, when trying this, i always get these anoying 'out-of-sync' messages when switching back and forth between the windows...
For me, these seperate windows (or tabs) don't have to be synchronized. i just want to be able to open the selected tabsheet in a new window, without having to log in again (my application is with a login screen at the start)...
What would be a good way to implement this?

Thanks,
Jan

This is an old thread so maybe the problem was already resolved, but:

The way you would do it would be to create a new top-level Vaadin window in the application (see the related section in the book of Vaadin) and put the components you are interested in there. Then open that window with mainWindow.open() in a new browser window.