в чем проблема подскажите php

Не могу понять в чем прблема подскажите, только учусь
[code]
if(@$_GET['op'] == "edit" && is_numeric($_GET['list']))
{

require_once("inc/meta.inc.php");
require_once ("inc/head.inc.php");

echo "";
if($blocs==1) require_once ("inc/blocs1.inc.php");
echo "";

$parts = mysql_query("SELECT * FROM jshop_page ");

while($part = mysql_fetch_array($parts))

echo "

".$part['title']."

";

echo "";

if($blocs2==1) require_once ("inc/blocs2.inc.php");
echo"";
require_once ("inc/foot.inc.php");

echo "";

}
else
{

require_once("inc/meta.inc.php");
require_once ("inc/head.inc.php");

echo "";
if($blocs==1) require_once ("inc/blocs1.inc.php");
echo "";

$parts = mysql_query("SELECT * FROM jshop_page ");

while($part = mysql_fetch_array($parts))

echo "

Дата публикации: ".$part['date']."

".$part['untitle']." ...

";

echo "";

if($blocs2==1) require_once ("inc/blocs2.inc.php");
echo"";
require_once ("inc/foot.inc.php");

echo "";
}
[/code]