Fejl i onlinescript.

Jeg har flg script der skulle vise hvilke brugernavne der er online og dem der ikke er logget ind skal der bare stå gæst men den skriver også bare gæst selvom man er logget ind hva er fejlen`??

showonline.php>>
<?


function InsertUser() {

    global $REMOTE_ADDR, $HTTP_USER_AGENT, $PHP_SELF;



    $ip            = $REMOTE_ADDR;

    $host          = gethostbyaddr($ip);

    $browser        = $HTTP_USER_AGENT;

    $page          = $PHP_SELF;

    $time            = explode(" ", microtime());

    $usersec        = (double)$time[1];

    mysql_query("DELETE FROM online_users WHERE ip like '$ip'");

    mysql_query("INSERT INTO online_users (ip,host,date,browser,page,userid) VALUES ('$ip','$host','$usersec','$browser','$page','$my_id')");

}



function ShowUsers() {



    $time            = explode(" ", microtime());

    $usersec        = (double)$time[1];

    mysql_query("DELETE FROM online_users WHERE date < $usersec -100");

    $countusers    = mysql_fetch_array(mysql_query("SELECT count(*) as total FROM online_users"));

$s_tjekuser = mysql_query("SELECT brugernavn,status FROM brugersystem WHERE brugernavn = '$brugernavn'");
$tjekuser = mysql_fetch_array($s_tjekuser);

    print ('<table class="tekstafsnit" border="0" CELLPADDING="0" CELLSPACING="0">');

    print ('<tr>');
if($tjekuser[status] == 1) {
    print ('<td STYLE="border-bottom:1px solid #000000;"><B><font face=verdana size=1>IP adresse:</B></td>');

    print ('<td STYLE="border-bottom:1px solid #000000;"><font face=verdana size=1>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</td>');
} else { }
    print ('<td STYLE="border-bottom:1px solid #000000;"><B><font face=verdana size=1>Brugernavn:</B></td>');

    print ('<td STYLE="border-bottom:1px solid #000000;"><font face=verdana size=1>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</td>');

    print ('<td STYLE="border-bottom:1px solid #000000;"><B><font face=verdana size=1>Host adresse:</B></td>');

    print ('<td STYLE="border-bottom:1px solid #000000;"><font face=verdana size=1>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</td>');

    print ('<td STYLE="border-bottom:1px solid #000000;"><B><font face=verdana size=1>Site:</B></td>');

    print ('</tr>');

    $result = mysql_query("SELECT * FROM online_users");

    while ($row = mysql_fetch_array($result)) {

$s_bru = mysql_query("SELECT brugernavn FROM brugersystem WHERE id = '$row[userid]'");
$bru = mysql_fetch_array($s_bru);

        print ('<tr>');

if($tjekuser[status] == 1) {
        print ('<td><font face=verdana size=1>'.$row[ip].'</td>');

                  print ('<td><font face=verdana size=1>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</td>');
} else { }
if($bru == NULL) {
        print ('<td><font face=verdana size=1>'.Gæst.'</td>');

                  print ('<td><font face=verdana size=1>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</td>');
} else {
        print ('<td><font face=verdana size=1>'.$bru[brugernavn].'</td>');

                  print ('<td><font face=verdana size=1>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</td>');
}
        print ('<td><font face=verdana size=1>'.$row[host].'</td>');

                  print ('<td><font face=verdana size=1>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</td>');

        print ('<td><font face=verdana size=1><a href="'.$row[page].'"> '.$row[page].' </a></td>');

        print ('</tr>');



    }

    print ('</table>');

}

InsertUser();

showUsers();



?>