<form action="http://www.google.com.co" id="cse-search-box">
<div>
<input type="hidden" name="cx" value="partner-pub-8992188594850933:1034997436" />
<input type="hidden" name="ie" value="UTF-8" />
<input type="text" name="q" size="55" />
<input type="submit" name="sa" value="Buscar" />
</div>
</form>
<script type="text/javascript" src="http://www.google.com.co/coop/cse/brand?form=cse-search-box&lang=es"></script>
...