When an image form element is used to submit a form, it does not pass a value, it will pass the x and y coordinates of where the mouse clicked on the image.
Search.x and Search.y just need to be set to a number:
will be fine
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.