HTTPS redirecton causes error

I have no forms and logins in my site, but my site automatically redirecting to https://, How can i resolve this ?? I am using htaccess file.

ErrorDocument 400 /ErrorPages/HTTP400.html ErrorDocument 401 /ErrorPages/HTTP401.html ErrorDocument 403 /ErrorPages/HTTP403.html ErrorDocument 404 /ErrorPages/HTTP404.html ErrorDocument 500 /ErrorPages/HTTP500.html ErrorDocument 501 /ErrorPages/HTTP501.html ErrorDocument 502 /ErrorPages/HTTP502.html ErrorDocument 503 /ErrorPages/HTTP503.html

Options +FollowSymLinks
RewriteEngine on
RewriteCond %{HTTP_HOST} ^paulnmartin.com [NC]
RewriteRule ^(.)$ http://www.paulnmartin.com/$1 [R=301,L]
RewriteCond %{HTTPS} off
RewriteRule ^(.
)$ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]