Now you can choose the search boxes to add to your site. Click the "HTML" tab at the top of the page. Scroll down this page and find the search box you like best. You can add search boxes that only search your site or search both your site and the Web or only the Web. You can also add a link to a site map of your site if you want.
When you find the one you want to add copy all the code in the text box.