<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /

# Search page
RewriteRule ^search functions/search.php?key=$1

# Blog Post page
RewriteRule ^blog/([A-Za-z0-9-]+) blog_post.php?key=$1

# Blog page
RewriteRule ^blog/ blog.php

# Url voodoo
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /page.php [L]

</IfModule>