Private Sub Worksheet_BeforeDoubleClick(ByVal Target As Range, Cancel As Boolean)
If Not Intersect(Target, Range("A1:E10100")) Is Nothing Then
If Target.Interior.Color = vbGreen Then
Range("A" & Target.Row & ":E" & Target.Row).Interior.Color = vbWhite
Cells(Target.Row, "C") = ""
Else
Range("A" & Target.Row & ":E" & Target.Row).Interior.Color = vbGreen
Cells(Target.Row, "C") = "ok"
End If
End If
End Sub