Hvad er Problemet i denne tagwall

tagwall.php:

<?php include("mysql.php"); ?>
<?php
mysql_query("INSERT INTO tagwall (navn,beskeder) VALUES('$navn','$beskeder')") or die(mysql_error());


$result1 = mysql_query("SELECT * FROM tagwall where navn='$navn'");

$row1    = mysql_fetch_array($result1);
?>
<?php
print "<h3>Tagwall</h3><br>";
print "<form action=\"beskeder.php\" method=\"post\">";
print "<br>";
print "<b>Navn:</b> <input type=\"text\" name=\"navn\">";
print "<br>";
print "<b>Besked:</b> <input type=\"text\" name=\"besked\">";
print "<br>";
print "<input type=\"submit\" value=\"Skriv\">";

?>



Beskeder:
<?php include("mysql.php"); ?>

<?php
mysql_query("SELECT * FROM tagwall") or die(mysql_error());
?>
<?
echo "$navn : $beskeder";
?>



Mysql.php:



<?
if(!$id) {
session_start() or die("<br>The Sessions R dead!<br>");
} 
$host = "localhost";


  @$connection = mysql_connect("localhost","root","root");


if (!$connection) {
$mysql_error = mysql_error();

srand((double)microtime()*1000000);
$number = rand(1,200);

print mysql_error();
exit;
}

  mysql_select_db("db", $connection);
?>