On the top of the new page you have:
var activeCompanies = ;
var inactiveCompanies = ;
the old one has values on those two lines. It appears to be custom code you have added. That is the part that isn't working on the new site.
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.