Unfortunately I don't think it is possible to redirect https:// to http://
If you had a working SSL certificate you could, but that would defeat the purpose.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.