Schedule process chain for Several days a week

Hello BI Goeroe's!

I am working on a BI 7.0 system at the moment and I was wondering if it is possible to schedule a certain process chain for several days a week. On tuesday, thursday and friday for example.

I have allready looked at the start date restriction option but the necesarry selection isn't present here. I was wondering if there is a solution for this problem in the new BI 7.0?

Hopefully someone has a solution for me!

Thanks in advance.

Jens