Hiding Default Controller Name in Codeigniter

[eluser]PhPCoder[/eluser]
When my website opens for the first time , it directly goes to this address: http://www.website.com/tr/main

But I want my link to be like this: http://www.website.com/
I can't remove "tr/main" links. How can I solve this problem?

Php Code:

Code:

$route['default_controller'] = "main";
$route['404_override'] = '';
$route['(tr|en)/(.+)$'] = '$2';
$route['(tr|en)$'] = $route['default_controller'];

Htaccess Code:

Code:

RewriteEngine On

# Put your installation directory here:
# If your URL is www.example.com/, use /
# If your URL is www.example.com/site_folder/, use /site_folder/

RewriteBase /

# Do not enable rewriting for files or directories that exist
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d

# For reuests that are not actual files or directories,
# Rewrite to index.php/URL
RewriteRule ^(.*)$ index.php/$1 [PT,L]