The following are the name conventions for the help files for vif:

Top - overall description of the associated vif
But.<label> - for the selection button called <label> { vsl_label }
Scroll - for scrollbar widget
Dialog - for the dialog box
Dialog.accept - accept button on dialog box
Dialog.cancel - cancel button on dialog box
Yesno - for the yes/no popup box
Yesno.yes - for yes button on yes/no box
Yesno.no - guess ??
