Subscription.

[unknownkind]

I was wondering if I have a subscription on my forums right now for $30 for 2 years and later on I change it.. Will the people who paid $30 will they continue to receive 2 years or will they receive the new allotted time for the subscription? Say for example if I change it to 6 months instead...?

Also does anyone know where I can get a top sites hack?