Sub JoinDoubles()
Dim i As Long
Dim j As Long
Application.DisplayAlerts = False
For j = 1 To Selection.Columns.Count
For i = Selection.Rows.Count To 2 Step -1
    If Selection.Cells(i - 1, j) = Selection.Cells(i, j) Then
    Range(Selection.Cells(i - 1, j), Selection.Cells(i, j)).Merge
    End If
Next
Next
Selection.VerticalAlignment = xlVAlignCenter
Application.DisplayAlerts = True
End Sub

Sub VstavkaStrok1()
Dim i As Long
Dim pustroka As Long
For i = Selection.Rows.Count To 2 Step -1
If Selection(i, 1).MergeArea.Rows.Count <> 1 Then
pustroka = Selection(i, 1).Row + 1
ActiveSheet.Rows(pustroka).Insert xlShiftDown
ActiveSheet.Rows(pustroka).RowHeight = 7
ActiveSheet.Rows(pustroka).Borders(xlInsideVertical). _
LineStyle = xlLineStyleNone
ActiveSheet.Rows(pustroka).Borders(xlEdgeLeft). _
LineStyle = xlLineStyleNone
ActiveSheet.Rows(pustroka).Borders(xlEdgeRight). _
LineStyle = xlLineStyleNone
ActiveSheet.Rows(pustroka).Interior. _
ColorIndex = xlColorIndexNone
i = i - Selection(i, 1).MergeArea.Rows.Count + 1
End If
Next
End Sub