Get a good book to start with. You can then start virtual trading and track your performance. Try
1)Stock Market Blueprint for the Diligent Investor,
2) The Naked Trader, or
3) Short term trading in the new stock market.
All are available on Amazon
Do you think that spread betting is a form of gambling or an investment instrument?
Check this article; http://ezinearticles.com/?Is-Financial-Spreadbetting-a-Form-of-Gambling?&id=1764785
Check these ebooks, they are free:
Diligent Trader - Free Stock Market eBooks
Or get a copy of A Beginner's Guide to Day Trading Online by Toni Turner. Very interactive book.
"Your Blueprint for Making Money on Today's Stock Market". It's an eBook.
There's a free download of the first chapter
http://www.diligenttrader.com/ebooksample.pdf