Before you go passionately developing something that may already be provided by the Lianja Framework I'd recommend you read this article on UI navigation.

https://www.lianja.com/doc/index.php..._UI_Navigation

And this one on Dialog Panels.

https://www.lianja.com/doc/index.php/Dialog_Panels

And to develop custom forms that are embedded inside Dialog Panels this article.

https://www.lianja.com/doc/index.php...ing_UI_Layouts

This functionality works across Desktop, Web and Mobile.