document.write(
'<form action="commentaire.php" method="post">'+
'<p>'+
'<label for="pseudo">Pseudo : </label><input type="text" name="pseudo" id="pseudo" size="30" />'+
'</p><p>'+
'<label for="msg">Commentaire : </label><br />'+
'<textarea name="msg" id="msg" rows="4" cols="60"></textarea>'+
'</p><p><button accesskey="v" type="submit">Valider</button>'+
'</p></form>');