Does anyone know how to attached a data stream to CDO Message email sending object in Classic ASP using Javascript?

Pls. let me know if u know!

I have following code which is not working.

var myMail = Server.CreateOb ject("CDO.Messa ge");
var cdoContentDispo stion = "urn:schemas:ma ilheader:conten t-disposition";
var cdoBase64 = "base64";...