คือพอ คลิกที่สินค้า มันไปหน้า Not Found
The requested URL /youdomain/index_detail.php was not found on this server.
Additionally, a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request.
แก้ไงครับ

ถ้าทำที่ sub domain ต้องแก้ไฟล์ .htaccess เพิ่มตรงสีแดงนะครับ
<IfModule mod_rewrite.c>
Options +FollowSymLinks
RewriteEngine On
RewriteBase /
ชื่อ sub domainRewriteCond %{SCRIPT_FILENAME} !-d
RewriteCond %{SCRIPT_FILENAME} !-f
RewriteRule ^stats/$ stats/ [L]
RewriteRule ^feed$ rss.php [L]
RewriteRule ^([a-zA-Z0-9_-]+)$ $1/ [R=301,L]
RewriteRule ^admin/$ admin/index.php [L]
RewriteRule ^last/$ index_page.php [L]
RewriteRule ^last/([0-9]+)$ index_page.php?spage=$1 [L]
RewriteRule ^top/$ index_page.php?count= [L]
RewriteRule ^top/([0-9]+)$ index_page.php?spage=$1&count=true [L]
RewriteRule ^privacy/$ index_page.php?type=privacy [L]
RewriteRule ^about/$ index_page.php?type=about [L]
RewriteRule ^detail/([a-zA-Z0-9_-]+)$ index_detail.php?asin=$1 [L]
RewriteRule ^buy/([a-zA-Z0-9]+)$ go.php?asin=$1 [L]
RewriteRule ^([a-zA-Z0-9_-]+)/([0-9]+)$ index.php?q=$1&page=$2 [L]
RewriteRule ^([a-zA-Z0-9_-]+)/?$ index.php?q=$1 [L]
</IfModule>