Sub StringShuffle()
  	ThisComponent.CurrentSelection.FormulaArray = ArrayShuffle(ThisComponent.CurrentSelection.FormulaArray)
End Sub

Function ArrayShuffle(ByVal src())
	Dim res
	res = ArrayCopy(src)
	Dim i
	For i = UBound(res) To 1 Step -1
		Dim j
		j = NumberRandom(0, i + 1)
		Dim t
		t = res(j)
		res(j) = res(i)
		res(i) = t
	Next
	ArrayShuffle = res
End Function

Function ArrayCopy(ByVal src())
	Dim res(UBound(src))
	Dim i
	For i = 0 To UBound(res)
		res(i) = src(i)
	Next
	ArrayCopy = res
End Function

Function NumberRandom(ByVal min, ByVal max)
	Dim len
	len = max - min
	Dim res
	res = Int(Rnd() * len) + min
	NumberRandom = res
End Function