window.addEvent('domready', function() {
							  
	$('our_courses').addEvent('mouseenter', function(e) {
		$('our_courses_nav').style.display = "block";
	});
	
	$('our_courses').addEvent('mouseleave', function(e) {
		$('our_courses_nav').style.display = "none";
	});
		
	
	
});