Grazie ma non ho ben capito...

1- Devo farlo per ogni pagina html richiamata o basta per la index?
2- Devo far diventare questo codice da cosi:

codice:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="it" lang="it">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>::Polyglot-Services-NZ::</title>
etc............
a cosi?

codice:
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML   1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>::Polyglot-Services-NZ::</title>
etc...
Grazie a tutti Ciao