forex trading for making profit?

hi friends,

now a days people are running behind money ,every body needs money and that too extra money,how extra money will come,by doing extra works ,we can earn extra money, some may do side business having partnerships, real estate business,buildings, trading etc etc,besides trading "Forex' trading also a new concept for earning money,but i too does not know how to earn in forex trading,once i have joined a site for trading,but i could not embark in the site due to that idoes not know how to work in the site,no body is there to teach me the things how to participate in the forex trading and earn money,if any body is having forex trading experience kindly share with us,have a nice day