$(document).ready(function(){

	$('.roll-over').hover(function() { 
		
		var target = $(this).attr('href');
		
		$('.article').removeClass('active');
		
		$(target).addClass('active');
		
	});
	
	$('.d-roll-over').hover(function() { 
		
		var target = $(this).attr('href');
		var c1target = $(this).attr('rel');
		
		$('.article').removeClass('active');
		
		$(c1target).addClass('active');
		$(target).addClass('active');
		
	});
		
});