A strange problem with FireFox

[JohnnyR]

I still have the "open with / save" problem...
However, I deleted htaccess entirely now... so maybe that's why there's no cookie anymore? Here were it's contents:

#OLD STUFF

RewriteEngine On
RewriteCond %{HTTP_REFERER} !^http://(www\.)?pleasuredelivery\.com/ [NC]
RewriteCond %{HTTP_REFERER} !^http://(www\.)?girlslovesquirting\.com/ [NC]
RewriteCond %{HTTP_REFERER} !^http://(www\.)?greenguyandjim\.com/ [NC]
RewriteCond %{HTTP_REFERER} !^$
RewriteRule \.(jpe?g|gif|png)$ - [F]

ErrorDocument 400 /error.html
ErrorDocument 401 /error.html
ErrorDocument 403 /error.html
ErrorDocument 404 /error.html
ErrorDocument 500 /error.html

#################################################
## PHPLD Apache Server Settings ##
#################################################

# Prevent .htaccess and .htpasswd files from being viewed by web clients
<Files "^\.ht">
Order allow,deny
Deny from all
</Files>

# Protect files
<Files ~ "^(.*)\.(inc|inc\.php|tpl|sql)$">
Order deny,allow
Deny from all
</Files>

# Protect directories
<Files ~ "^(backup|files|images|include|lang|libs(/.+)?|temp(/.+)?|templates(/.+)?|javascripts(/.+)?)$">
Order deny,allow
Deny from all
</Files>

# Disable directory browsing
Options -Indexes

# Follow symbolic links in this directory
Options +FollowSymLinks

# Override PHP settings that cannot be changed at runtime
# (If your server supports PHP settings via htaccess you can comment following two lines off)
# php_value register_globals 0
# php_value session.auto_start 0

# Customized error messages
# ( If you are running in a subfolder please add it, example: "directory/index.php?httpstatus=404" )
#ErrorDocument 404 index.php?httpstatus=404

# Set the default handler
DirectoryIndex index.php

# URL rewrite rules
<IfModule mod_rewrite.c>
RewriteEngine On


#Make sure RewriteBase points to the directory where you installed phpLD.
#Example: "/phpld" if your installation is in a "phpld" subdirectory.

#RewriteBase /

##Latest Links Rewrite
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-l
RewriteRule ^latest-links\.htm[l]?$ index.php?list=latest [QSA,NC,L]

##Top Hits Rewrite
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-l
RewriteRule ^top-hits\.htm[l]?$ index.php?list=top [QSA,NC,L]

##Latest Articles Rewrite
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-l
RewriteRule ^latest-articles\.htm[l]?$ index.php?list=latestarticles [QSA,NC,L]

##Details Link Page Rewrite
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-l
RewriteRule (.*)detail/link-(.*)\.htm[l]?$ detail.php [QSA,NC]

##Article Page Rewrite
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-l
RewriteRule (.*)articles/article-(.*)\.htm[l]?$ article.php [QSA,NC]

##Author Page Rewrite
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-l
RewriteRule (.*)authors/author-(.*)\.htm[l]?$ author.php [QSA,NC]

##Pagination Rewrite
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-l
RewriteRule (.*)page-[0-9]+\.html$ index.php [QSA,NC,L]

##Pages redirect
RewriteCond %{REQUEST_URI} !page-[0-9]+\.html?$
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-l
RewriteRule ^(.+)\.html$ page.php?name=$1 [NC,QSA,L]

##Category redirect
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-l
RewriteRule ^(.*)$ index.php [QSA,L]
</IfModule>

Doesn't look like anything trying to set a cookie to me...