I did a quick test with FF and IE 8 on Vista, and the menu seems to be working correctly.
Do you sub menus under Hospitals and Emergency Care Centers sub menus?
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.