This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
I'm not sure why you changed that. You had a submit button which is in a form, you submit the form and all parameters and values it contains are submitted. Are these parameters you want to submit not incldued in this form?