On a testsite the html prdouces code like src="upload/animage.jpg" instead of src="/upload/animage.jpg" so its not relative to the site root.
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.