What version of Pro Maps for Google are you using? There appears to be a bug in the code. It should be easy to fix, but I want to make sure you are using the most recent version before I log it.
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.