htaccess redirects to new modx site with smart urls: How to do it?

Hello,

I am using smart url’s on a new website I have built with MODx - which is replacing an old html site.

I would like to setup some htaccess redirects so that linked / bookmarked pages do not return 404 error pages.

Everytime I try this, I receive a 500 internal server error:
RedirectMatch permanent ^volunteerinfo.html $ http://www.domain.com.au/volunteers.html

If i do it this way, a 404 error page is returned:
redirect 301 /booking.html http://www.domain.com.au/school-bookings.html
and the url in the address bar changes to this:
http://www.domain.com.au/school-bookings.html?q=booking.html
instead of:
http://www.domain.com.au/school-bookings.html

Any ideas?

Thanks in advance.


p.s.

This is the code in my htaccess for rewriting the friendly urls:
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ index.php?q=$1 [L,QSA]

p.s. I managed to get it working using the non smart url address for each page.

redirect 301 /booking.html http://www.domain.com.au/index.php?id=49

but still wondering if there is a way to redirect to the smart url?