<!-- the revised js code -->
<script type="text/javascript" language="JavaScript">
function shim(objImageID, blState) {
if (blState == 'on') {
document.getElementById('menu' + objImageID.id).src = 'img/on.gif';
} else {
document.getElementById('menu' + objImageID.id).src = 'img/off.gif';
}
document.getElementById('mainimg').src = 'img/architecture/' + objImageID.id + '.jpg';
}
</script>
<!-- the revised menu code -->
<!-- note the anchor tag now has an ID e.g. 1, 2, 3 etc and the image ID is now 'menu' and the anchor ID e.g. menu1, menu2, menu 3 etc -->
<a id="1" href="#" onmouseover="shim(this, 'on'); return false;" onmouseout="shim(this, 'off'); return false;"><img id="menu1" border="0" src="img/off.gif" /></a>
<!-- the revised main image code -->
<img src="img/architecture/1.jpg" id="mainimg" />