Check out http://www.hitlinkz.com and choose Domain Registrars from the Popular Categories list. HitLinkz.com has a huge collection of domain registrars that are popular among its users.
Ours is a web app that helps you explore interesting and famous websites across a huge collection of categories. It's a nice way to discover the websites that you are not aware of. It is member recommended and the websites are genuine. It even allows you to bookmark your favorite websites for quick access in the future.
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Given the fact that how cheap it is these days to get SSL certificates and static IPs I would take the route of SSL rather than going thru this untested (read: not well tested) route of JavaScript encryption.
Sorry, if it sounded like an advertisement. I wanted to introduce our startup and wanted to get your feedbacks and comments. Please let us know if HitLinkz is helpful to you. Thanks.