function cambiaemail (info) {
 var res = "";
 for (var n = 0; n < info.length; n++)
 res += String.fromCharCode(info.charCodeAt(n));
 if (res.indexOf('@') < 0)
 res = res + '@' + 'productosaromaticos.com';
 location = "mail" + "to:" + res;
 }