Activex Compoenets cannot be created : SAP.Functions

HI
I am working on one VB script where i have to get data from SAP RFC Function.
Here is my code to test the SAP connection....i get the following error whenever i try to run the beloe program. Can anyone tell me the DLL's i need to have inorder to test my SAP connection .
Note: I dont have SAP GUI in system, but i want to connect to SAP.
Public theFunc
Public con
Public sapObj
Dim returnFunc

Set sapObj = CreateObject("SAP.Functions")
Set sapConnection = CreateObject("SAP.Logoncontrol.1")
Set sapConnection = sapConnection.NewConnection

sapConnection.System = "00"
sapConnection.ApplicationServer = "xx.xx.xx.xxx"
sapConnection.client = 300
sapConnection.user = "TMRAHIL"
sapConnection.Password = "ENGLAND1"
sapConnection.language = "EN"

'**************************************
'Log On to the SAP System
'**************************************
Set functionCtrl = server.CreateObject("SAP.Functions")
retcd=sapConnection.Logon(0,true)
If RetCd = False Then
Response.write "SAP Logon Failed."
Response.End
else
Response.write "SAP Logon Succeeded."
end if

Thank You so much!!!