This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
You need to find a good tutorial/reference on HTML forms and the input items that can appear in them. An INPUT of type="checkbox" that has a name="myname" will create a request parameter "myname" with value="on" if it has been checked. Bill