...can I get the jobname and other macro style parameters in a VBScript? (Actually, I am only interested in the jobname.)

Yes, you can use the same macro-parameters you use in other places. For example, to get the job name use @V"job_name"

VB Example:

Dim my_job
my_job = "@V"job_name""

: ...can I get the jobname and other macro style parameters in a VBScript?
: (Actually, I am only interested in the jobname.)