I have tested your page with 3 different computers all running fire fox, and the page is loading correctly for me. I am not able to reproduce a problem.
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.