Keresés MySQL táblában

<?PHP
##############################
$_MYSQL['HOST'] = "localhost"; // MySQL host
$_MYSQL['USER'] = "root"; // MySQL felhasználónév
$_MYSQL['PASSWORD'] = ""; // MySQL jelszó
$_MYSQL['DB'] = "search"; // MySQL adatbázis
 
$_CONF['TABLA'] = "hirek"; // Amelyik táblában akarunk keresni 
$_CONF['MEZO'] = "uzenet"; // Abba egy bizonyos mezõ amelyben keresünk
##############################

mysql_connect( $_MYSQL['HOST'], $_MYSQL['USER'], $_MYSQL['PASSWORD'] ); 
mysql_select_db( $_MYSQL['DB'] ); 
 
if(!IsSet($_REQUEST['search_text']) || empty($_REQUEST['search_text'])) {
print'
<form method="GET" action="search.php">
<input type="text" name="search_text" size="25">
<input type="Submit" value="Keresés">
</form>';
} else {
$search_text = mysql_escape_string($_REQUEST['search_text']);
 
$eredmeny = mysql_query("SELECT * FROM ".$_CONF['TABLA']." WHERE ".$_CONF['MEZO']." LIKE '%$search_text%'");
 
while($sor = mysql_fetch_object($eredmeny))
{ 
 
$cim = $sor->cim;
$uzenet = $sor->uzenet;
$datum = $sor->datum;
$id = $sor->id;
 
echo "<p>".$id.". ".$cim."<hr>".$uzenet."<hr>".$datum."</p>";
}
 
}
?>

CREATE TABLE `hirek` 
(
`id` INT NOT NULL AUTO_INCREMENT,
`cim` TEXT NOT NULL,
`uzenet` TEXT NOT NULL,
`datum` TEXT NOT NULL, 
PRIMARY KEY (`id`)
);