Paste this code in the page where you'd like your search box to appear. The search results will be shown on a Google-hosted page. 


<!-- Google CSE Search Box Begins -->
  <form id="searchbox_016844903748275351515:xxb_noy-lke" action="http://www.google.com/cse">
    <input type="hidden" name="cx" value="016844903748275351515:xxb_noy-lke" />
    <input name="q" type="text" size="40" />
    <input type="submit" name="sa" value="Search" />
    <input type="hidden" name="cof" value="FORID:0" />
  </form>
  <script type="text/javascript" src="http://www.google.com/coop/cse/brand?form=searchbox_016844903748275351515%3Axxb_noy-lke"></script>
<!-- Google CSE Search Box Ends -->