Firstly, I agree with the feelings of Joe R and Azamsharp. The benefits of using something more modern are innumerable. But I also know that this is completely useless, because you are just trying to complete the task that was assigned to you.
Two tips: I find http://www.devguru.com a great reference site. It has detailed information about asp and vbscript, and it is well formatted and easy to use.
Another tip is to spend time (it won’t take much time) so that you can go through your classic asp pages using the current version of Visual Studio. In IIS configuration → tab "Home" → "Configuration" → "Debug" → enable debugging on the server side asp. This will allow you to insert a breakpoint in an asp script (just a statement saying "stop"), which will give you a request to call the VS debugger. You will also need to configure the local website to work under your network name instead of the default anonymous user.
This greatly reduces the pain of working in classic asp when you have no other choice.
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