Hi Geetha,
you can buy JQ+ at
http://www.enthuware.com/ 1) It costs 20 USD.
2) You can buy it online, using Credit Card(Visa,American Express,etc)
3) After purchasing by card, they are sending you order(html page) and JQ+ to your mail.
It's very easy - I liked this mechanism.
Regards,
Jamal Hasanov
www.j-think.com