<!-- Lower Nav Show/Hide Functionality -->
function show_links(id){
	
	for(var i=0; i<=7; i++) {
		if(document.getElementById('links_'+i)){
			document.getElementById('links_'+i).style.display='none';
			}
		}
	
	if(document.getElementById('links_'+id)){
		document.getElementById('links_'+id).style.display='block';
		}
	}