The official way for obfuscating your VBScript code is to use "[login to view URL]" object. I would like to point you to an article on TechNet that will help you in this process.
Here is the link:
[login to view URL]Lagi
My self is Maulik. I am having total 8 years of experience. In my life I have written thousands of VB script and other script. usually I keep it in secret folder to hide it from other users and other way is Lagi