It uses the URL listed in your Dreamweaver site definition. Localhost means different things depending on the server url it is browsing, which is determined by the testing server url listed in your Dreamweaver Site definition.
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.