Form is set to public but customers cannoti view form

Form is set to public but customers cannoti view form

I have a reservation form that is set for an iframe on this site r r s a d d l e c l u b . c o m

http:// rrs addle club.w ebs.com/ maker eser vat ions.htm

it is set to be viewable by public but customers are unable to view it.

Trouble shooting please?

Great system, and if this bug is worked out we may consider upgrading. thank you