 RewriteEngine On
rewritebase /
RewriteRule ^index.\html /index\.php [L,NC]
RewriteRule ^top\.html top\.php [L,NC]
RewriteRule ^about\.html about\.php [L,NC]
RewriteRule ^search\.html search\.php [L,NC]
RewriteRule ^apply\.html apply\.php [L,NC]
RewriteRule ^404\.html 404\.php [L,NC]
RewriteRule ^sort([0-9]+)\.html sort\.php?id=$1 [L,NC]
RewriteRule ^sort([a-zA-Z]+)\.html sort\.php?alias=$1 [L,NC]
RewriteRule ^site_([0-9]+)\.html site\.php?id=$1 [L,NC]