function CodeToURLImg($code)
{
    $sql_catalog = 'SELECT Image FROM Message57 WHERE ItemID=' . $code;
    $query_catalog = mysql_query($sql_catalog);
    $row_catalog = mysql_fetch_array($query_catalog);
    $massiv = explode(":", $row_catalog[Image]);
    $CodeToURLImg = '/netcat_files/' . $massiv[3];
    return $CodeToURLImg;
}

$massiv = explode(":",$row_catalog[Image]);

$massiv = explode(":",$row_catalog['Image']);

define('Image', 'Image');
$massiv = explode(":",$row_catalog[Image]);