che codice in php inserise in questa pagina...
<HTML
><HEAD><TITLE>Login - NemusLogin</TITLE>
<META http-equiv=Content-Type content="text/html; charset=iso-8859-1">
<META content="MSHTML 6.00.2800.1264" name=GENERATOR></HEAD>
<BODY bgColor=white leftMargin=0 topMargin=0 marginheight="0"
marginwidth="0">
<div align="center">
<FORM name="login_form" action="login.php" method="post">
<TABLE cellPadding=1>
<TBODY>
<TR>
<TD align=left>Username:</TD>
<TD align=left><input id="usr" name="usr" type="text" size="12">
</TD>
</TR>
<TR>
<TD align=left>Password:</TD>
<TD align=left><input id="pwd" name="pwd" type="password" size="12">
</TD>
</TR>
<TR>
<TD align=middle colSpan=2>
<INPUT name="submit" type=submit value=Login>
</TD>
</TR>
</TBODY>
</TABLE>
</FORM>
</div>
</BODY></HTML>
...dopo che l'utente si è loggato con il suo username e password per far uscir scritto: BENVENUTO Username!! ?