<form id="j_idt13" name="j_idt13" method="post"
action="/dukesbookstore/index.xhtml" ...>
...
<img id="j_idt13:mapImage"
src="/dukesbookstore/javax.faces.resource/book_all.jpg?ln=images"
alt="Choose a Book from our Catalog"
usemap="#bookMap" />
...
<map name="bookMap">
<area alt="Duke"
coords="67,23,212,268"
shape="rect"
onmouseout="document.forms[0]['j_idt13:mapImage'].src='resources/images/book_all.jpg'"
onmouseover="document.forms[0]['j_idt13:mapImage'].src='resources/images/book_201.jpg'"
onclick="document.forms[0]['bookMap_current'].value='Duke'; document.forms[0].submit()"
/>
...
<input type="hidden" name="bookMap_current">
</map>
...
</form>