in the includes/p7pmm/p7PMMscripts.js file, they are setting the zIndex automatically, so changing it in the css will have no effect
find the following line to change the z-index that is set at run time:
tM.style.zIndex='999999';
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.