<?php
if ((!isset($_SERVER['PHP_AUTH_USER'])) and (!isset($_SERVER['PHP_AUTH_PW']))) {
    header("WWW-Authenticate: Basic realm=\"Ââåäèòå ëîãèí è ïàðîëü\"");
    header("HTTP/1.0 401 Unauthorized");
    exit;
  } else {
    	@mysql_connect("localhost", "", "") or die("Íåâîçìîæíî ñîåäèíèòüñÿ ñ MySQL");
	@mysql_select_db("company") or die("Íåâîçìîæíî ñîåäèíèòüñÿ ñ ÁÄ");
	$pass=md5($_SERVER['PHP_AUTH_PW']);
	$query="SELECT * FROM users WHERE users_login='$_SERVER[PHP_AUTH_USER]' AND users_password='$pass'";
	$result = mysql_query($query);
	$num_rows = mysql_num_rows($result);
	
	if ($num_rows!= 0)
    {
    	echo "<p>привет, {$_SERVER['PHP_AUTH_USER']}.</p>";
}
	else
	{
	  		echo "<p>Íå âåðíî ââåäåíû äàííûå</p>";
	}
	mysql_close();
}

?>