//Here is my code for modifying the Zope page
function topNav()
{
	//Changing topnav images
	document.getElementById('top_subscribe').setAttribute('src','http://static.cnhi.zope.net/webads/edmondsun/webads/resources/topnav/subscribe_btn.png');
	document.getElementById('top_subscriberservices').setAttribute('src','http://static.cnhi.zope.net/webads/edmondsun/webads/resources/topnav/subscriberservices_btn.png');
	document.getElementById('top_contactus').setAttribute('src','http://static.cnhi.zope.net/webads/edmondsun/webads/resources/topnav/contactus_btn.png');
	document.getElementById('top_aboutus').setAttribute('src','http://static.cnhi.zope.net/webads/edmondsun/webads/resources/topnav/aboutus_btn.png');
	document.getElementById('top_sitemap').setAttribute('src','http://static.cnhi.zope.net/webads/edmondsun/webads/resources/topnav/sitemap_btn.png');
	//Displaying new topnav
	document.getElementById('top_subscribe').style.display = 'inline';
	document.getElementById('top_subscriberservices').style.display = 'inline';
	document.getElementById('top_contactus').style.display = 'inline';
	document.getElementById('top_aboutus').style.display = 'inline';
	document.getElementById('top_sitemap').style.display = 'inline';
}