function footer_link(link, action) {
	
	if (action == "view") {
		display = "block";
	} if (action == "hide") {
		display = "none";
	}
	
	document.getElementById(link).style.display = display;
	document.getElementById(link + '_link').innerHTML = '<a href="#" class="active" onclick="footer_link(\'' + link + '\', view); return false;">' + link.replace(/_/g, " ") + '</a>'
	
	if( typeof( old_link ) != 'undefined' ) {
		document.getElementById(old_link).style.display = "none";
		document.getElementById(old_link + '_link').innerHTML = '<a href="#" onclick="footer_link(\'' + old_link + '\', \'view\'); return false;">' + old_link.replace(/_/g, " ") + '</a>'
		if (link == 'artwork') {
			document.getElementById('image_nav').style.display = "block";
		}
		else
		{
			document.getElementById('image_nav').style.display = "none";
		}
	} else {
		if (link != 'artwork') {
			document.getElementById('artwork').style.display = "none";
			document.getElementById('image_nav').style.display = "none";
			if (document.getElementById('artwork_link')) {
				document.getElementById('artwork_link').innerHTML = '<a href="#" onclick="footer_link(\'artwork\', \'view\'); return false;">artwork</a>'
			}
		}
	}
	
	old_link = link;
	
}