Check value in an array using VB 6.0

Dim tables() as String
Dim tablename as String
Dim msg as String


msg = IsInArray(tablename, tables())

Public Function IsInArray(FindValue As Variant, arrSearch As Variant) As Boolean
On Error GoTo LocalError
If Not IsArray(arrSearch) Then Exit Function
If Not IsNumeric(FindValue) Then FindValue = LCase(FindValue)
IsInArray = InStr(1, vbNullChar & Join(arrSearch, vbNullChar) & vbNullChar, _
vbNullChar & FindValue & vbNullChar) > 0
Exit Function
LocalError:
'Justin (just in case)
End Function