<!-- inicio 
function idioma() { 
if (navigator.userAgent.indexOf("Opera")!=-1) (language=navigator.language) 
else { if (navigator.appName == "Netscape") (language=navigator.language) 
else language=navigator.browserLanguage }; 

if (language){language=language.substring(0,2)} 
else {language="zz"} 
switch (language) { 
case "en" : window.location="index_en.htm"; break; 
case "es" : window.location="index.htm"; break; 
default : window.location="index_en.htm" } } 
// final -->