Perhaps something like this:
'This in a stardard module:
Option Explicit
Dim oAppClass As New clsApp
Public Sub AutoExec()
Set oAppClass.oApp = Word.Application
End Sub
Sub AutoNew()
Set oAppClass.oApp = Word.Application
End Sub
Sub AutoOpen()
Set oAppClass.oApp = Word.Application
ActiveDocument.Range(0, 0).Select
End Sub
'This in a class moduled named clsAPP
Option Explicit
Public WithEvents oApp As Word.Application
Private Sub oApp_WindowSelectionChange(ByVal Sel As Selection)
ActiveDocument.Styles("Normal").Font.ColorIndex = wdGray50
ActiveDocument.Styles("Focus").Font.ColorIndex = wdBlack
ActiveDocument.Range.Style = "Normal"
Selection.Paragraphs(1).Style = "Focus"
lbl_Exit:
Exit Sub
End Sub