Thread: php pring mysql results into 3 div's

THIS THREAD HAS BEEN UPDATED. SCRIPT HAS JUST BEEN CHANGED

Im trying to print several image url's and names from an sql database into 3 columns,

Aiming to get it to go

1,2,3
4,5,6
7,8,9

etc etc. but for some reason myne is going

1,2,3
3,4,6
6

Code:

<?php
include 'config.php';
mysql_connect($host, $user, $pass) or die(mysql_error());
mysql_select_db($database) or die(mysql_error());
$result = mysql_query("SELECT * FROM tracks ORDER BY id ASC");
$num = mysql_num_rows($result);
$arr = array();
while($row = mysql_fetch_array($result)) {
    $arr[$row['id']] = $row;
}
echo '<div id="left_wrapper">';
for($i=1; $i<$num; $i+=2) {
    $row = $arr[$i];
    $id = $row['id'] + 1;
    echo "<img src='Thumbnails/" . $id .".gif'></img><br />";
    echo $row['name']. "<br />";
}
echo "</div>";
echo '<div id="middle_wrapper">';
for ($i=2; $i<$num; $i+=2) {
    $row = $arr[$i];
    $id = $row['id'] + 1;
    echo "<img src='Thumbnails/" . $id .".gif'></img><br />";
    echo $row['name']. "<br />";
}
echo "</div>";
echo '<div id="right_wrapper">';
for ($i=3; $i<$num; $i+=2) {
    $row = $arr[$i];
    $id = $row['id'] + 1;
    echo "<img src='Thumbnails/" . $id .".gif'></img><br />";
    echo $row['name']. "<br />";
}
echo "</div>";
?>

I NEED HALP