function popularCertsExams(id) {
		document.getElementById('popexams').style.display="none";
		document.getElementById('popcerts').style.display="none";
		document.getElementById('popular1').style.display="none";
		document.getElementById('popular2').style.display="none";
		
		if(id == 'popexams') {
			document.getElementById('popular2').style.display="block";
			document.getElementById('popexams').style.display="block";
		} else if(id == 'popcerts') {
			document.getElementById('popular1').style.display="block";
			document.getElementById('popcerts').style.display="block";
		}
		return false;
	}
	
	function newRelRecent(id) {
		document.getElementById('newrelexams').style.display="none";
		document.getElementById('recentexams').style.display="none";
		document.getElementById('recent1').style.display="none";
		document.getElementById('recent2').style.display="none";
		
		if(id == 'newrelexams') {
			document.getElementById('recent1').style.display="block";
			document.getElementById('newrelexams').style.display="block";
		} else if(id == 'recentexams') {
			document.getElementById('recent2').style.display="block";
			document.getElementById('recentexams').style.display="block";
		}
		return false;
	}