<a href="http://www.google.com/" style="padding:0;background-image:none"><img src="http://www.google.com/logos/Logo_40wht.gif" alt="Google" style="border:none" /></a>

<form method="get" action="http://www.google.com/search" style="margin-left:135px">

   <input type="hidden" name="domains" value="es.wikiquote.org" />
   <input type="hidden" name="num" value="50" />
   <input type="hidden" name="ie" value="$2" />
   <input type="hidden" name="oe" value="$2" />
   
   <input type="text" name="q" size="31" maxlength="255" value="$1" />
   <input type="submit" name="btnG" value="Búsqueda en Google" />
   <input type="radio" name="sitesearch" id="gwiki" value="es.wikiquote.org" checked="checked" /><label for="gwiki">Wikiquote</label>
   <input type="radio" name="sitesearch" id="gWWW" value="" /><label for="gWWW">WWW</label>

</form>

<a href="http://search.yahoo.com/" style="padding:0;background-image:none"><img src="http://us.i1.yimg.com/us.yimg.com/i/us/search/ysan/ysanlogo.gif" alt="Yahoo!" style="border:none" /></a>

<form method="get" action="http://search.yahoo.com/search" style="margin-left:135px">

   <input type="hidden" name="x" value="op" />
   <input type="hidden" name="va_vt" value="any" />
   <input type="text" name="va" size="31" value="$1" />
   <input type="submit" value="Búsqueda en Yahoo!" />
   <input type="radio" name="vs" id="ywiki" value="es.wikiquote.org" checked="checked" /><label for="ywiki">Wikiquote</label>
   <input type="radio" name="vs" id="yWWW" value="" /><label for="yWWW">WWW</label>

</form>