Sub Semaine_Suivante()
Phrase = "Voulez-vous changer de semaine "
With Sheets("PLANNING HEBDOMADAIRE")
If MsgBox(Phrase & "Hebdomadaire", vbQuestion + vbOKCancel, "Annuler") = vbOK Then .[A3] = .[A3] + 1
End With
With Sheets("PLANNING ANNUEL")
If MsgBox(Phrase & "Annuelle", vbQuestion + vbOKCancel, "Annuler") = vbOK Then .[AE1] = .[AE1] + 1
End With
End Sub