Its hard to say w/o seeing the code, but it still seems like its a z-index issue to me. Did the code change from when you first made this fix and it was working?
-justin
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.