I'd be game to help you try ... but where are you going and from where? A bit more info please! Time of day would also be a great help.

try here
http://www.parisnotes.com/free/pnfreestuff.html
or here
http://www.discoverfrance.net/France/Paris/Paris_metro.shtml#

thanks for your help.tried my luck with the concierge at my hotel and they have replied straight away!im arriving at CDG going to tour eiffel hotel next to the eiffel tower.hes told me to get the RER B to notre damn then get on the RER C to Javel and walk up.so easy!!!!!
Have you ny idea how long this is on train.it will be about 11.00am.

The journey will take about an hour.

try sncf-voyages it's the website of national train compagny