<?php
if (!empty($_POST['login']) && !empty($_POST['passwd'])) {
  if ($_POST['login']=='admin' && $_POST['passwd']=='132') print 'Все путем!';
  else print '<font color="red">Ошибка в логине или пароле</font>';
} else {
?>
<meta charset="windows-1251">
<title>Control</title>
<center>
<h3>Control</h3>
<form method=post action=login.php>
<table border=0 cellspacing=1 cellpadding=3>
<tr><td align=right>Login:</td><td><input width=30% type=text name=login value="" size=20 maxsize=20></td><tr>
<tr><td align=right>Password:</td><td><input width=30% type=password name=passwd value="" size=20 maxsize=20></td><tr>
<tr><td colspan=2 align=center><input type=submit value="Вход"></td><tr>
</table>
</form>
</center>
<?php
}
?>