function ejecutar( selectedIndex, searchTerm ) {
   if ( selectedIndex < 0 ) {
      alert("Por favor, seleccione un buscador.");
      return false;
   } else if ( searchTerm == "" ) {
      alert("Por favor, ingrese las palabras que desea buscar.");
      return false;
   }
   window.open( 'http://www.synodia.org/redirect.php?p=' + escape(buscador[selectedIndex][1]), buscador[selectedIndex][0] ); 
   /* location.href=buscador[selectedIndex][1]; */
}



function buscar( selectedIndex, searchTerm ) 
{
   buscador= new Array();
	<!--buscador[value]= new Array( window name , url ) -->
   buscador[0]= new Array("II","http://www.iglesia.info/search_it.php?busqueda="+escape(searchTerm));
   buscador[1]= new Array("DC","http://www.directoriocatolico.com/buscar.php?query="+escape(searchTerm));
   buscador[2]= new Array("ACI","http://www.google.com/u/ACI?q="+escape(searchTerm));  
   buscador[3]= new Array("BEC","http://www.google.com/u/BibliotecaBEC?q="+escape(searchTerm)+"&.submit=Search");
   buscador[4]= new Array("EC","http://www.google.com/search?hl=es&ie=iso-8859-1&oe=iso-8859-1&q=site%3Aenciclopediacatolica.com+"+escape(searchTerm)+"&submit=+search+");
   buscador[5]= new Array("VAT","http://www.google.com/search?hl=es&ie=iso-8859-1&oe=iso-8859-1&lr=lang_es&q=site%3Avatican.va+"+escape(searchTerm));  
   buscador[6]= new Array("NE","http://www.picosearch.com/cgi-bin/ts.pl?index=167760&query="+escape(searchTerm)+"&search=Search");
   buscador[7]= new Array("G","http://www.google.com/search?hl=es&ie=iso-8859-1&lr=lang_es&oe=iso-8859-1&q="+escape(searchTerm));
   buscador[8]= new Array("DRAE","http://buscon.rae.es/draeI/SrvltGUIBusUsual?LEMA="+escape(searchTerm)); 
   buscador[9]= new Array("CatholicNet","http://es.catholic.net/busqueda/index.phtml?pagina=0&s=1&and=1&w="+escape(searchTerm)); 
    
ejecutar( selectedIndex, searchTerm );
   return true;
}