Remove index.php (desperately need help)

[eluser]PlayMate[/eluser]
I'm sorry for bothering with this topic again. I'm desperately removing index.php from my Ci application. My htacess works on my localhost, but it isn't in my hosting site (error 500). I have tried all of htaccess mentioned in this forum and wiki. My current htaccess :

Code:

# Turn on URL rewriting
RewriteEngine On

# Installation directory
RewriteBase /test/

# Protect application and system files from being viewed
RewriteRule ^(application|modules|system) - [F,L]

# Allow any files or directories that exist to be displayed directly
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d

# Rewrite all other URLs to index.php/URL
RewriteRule ^(.*)$ index.php/$0 [PT,L]

My ci installation dir on hosting:

Code:

/www
--test
---index.php
---.htaccess
---system
---etc

You can check my site Here. The correct page display phpinfo() like this one.

Thank you in advance. Sorry for my bad English.
Regard