i have a image in my website that i have used with a map

i want the image to resize when the browser size changes but i want to map to still work (resize too)..

I know this is probably very basic, but can anyone help me with this?

see my webpage code below.

Code:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<script>
...