'Deal done' - Benazir agrees to Musharraf’s re-election in uniform

Re: 'Deal done' - Benazir agrees to Musharraf’s re-election in uniform

How can Supreme Court decide anything that they have no right to decide?

Who would be President or not, or that President be in uniform or not, is not jurisdiction of Supreme Court but it is jurisdiction of Parliament. So, what is not in Supreme Court jurisdiction, how can they decide? And even if they would like to decide regardless of a thing is in their jurisdiction or not, how would they enforce that? Please explain … :)