Function GetNewNumber(Byval strNum As String) As String
Dim iLen,i As Integer
Dim strTmp As String
iLen=Len(strNum)
For i=1 to iLen
strTmp =Mid(strNum,i,1)
IF isNumeric(strTmp) Then
GetNewNumber=GetNewNumber & strTmp
End IF
Next
If Left(GetNewNumber,1)="0" Then GetNewNumber="7" & Mid(GetNewNumber,2)
End Function