ok guys... there's no "system" you can win at Roulette..
if you want to run the simulation yourself, i've coded a little javascript that runs through 3000 "spins"... it'll take a bit to load as the script executes within your browser..
http://www.gravicor.com/scratch/asystem.html
sometimes you'll be up.. most of the time you'll be down.. hit refresh and you'll get the idea of how much you can lose..