$(document).ready(ready);
  
function ready(){
	$('#divisions> div').hide();
	$('#divisions> h4').click(function(){
		$(this).toggleClass('opened');
		$(this).siblings('h4').removeClass('opened');
		
		var $nextDiv = $(this).next();
		var $visibleSiblings = $nextDiv.siblings('div:visible');
		
		if ($visibleSiblings.length) {
			$visibleSiblings.slideUp('fast', function() {				
				$nextDiv.slideToggle('fast');
			});
		}else{
			$nextDiv.slideToggle('fast');			
		}
	});
}