Koko's artic

<?php
include 'config.php';
$query = "SELECT ime FROM articles";
$result = mysql_query($query) or die(mysql_error()."[".$query."]");
?>
<form method="post" action="">
Продукт <select name="ime">
<?php
while ($row = mysql_fetch_array($result))
{
    echo "<option value=".$row['ime'].">".$row['ime']."</option>";
}
?>
</select> <br />
Брой <input type="number" name="broi" min="1" max="10"/> <br />
<input type="submit" name="submit" value="Поръчай" />
</form>
<a href="store.php">Добави продукт</a>
<a href="dostavka.php">Достави</a><br />
<?php
if(isset($_POST['submit'])){
$ime = $_POST['ime'];
$broi = $_POST['broi'];
$result = mysql_query("SELECT * FROM articles WHERE ime = '$ime'");
$row = mysql_fetch_assoc($result);
if($row['broi'] >= $broi) {
$a = $row['broi'] - $broi;
$sql = "UPDATE articles SET broi = '$a' WHERE ime = '$ime'";
mysql_query($sql);
$res = mysql_query("SELECT * FROM articles");
while($row=mysql_fetch_array($res))
{
echo " Продукт: ".$row['ime']." Цена: ".$row['cena']." Брой: ".$row['broi']."<br>";
}
}
else
	echo "Няма достатъчно бройки";
}
?>