2 week rental in Paris?

Hi,
Im trying to find out whether it is possible to rent a room in a house for 2 weeks in September. I dont want to stay in a hostel, and I cant afford anything much more than 200 euros a week.

Anyone know where to look?

When i am in Paris for an extened period, i stay at the FIAP[ a kind of French version of the YMCA], at Evry, get myself a Carte Orange[Passport pic needed], and commute in to Gare De Lyon. If you want a room in the City itself, there are plenty of agents, just Google Paris Accom, and you will find heaps of them.