$(document).ready(function() {

	$('.year').each(function(i, el){
		var cid = el.id.replace(/y-/,'');
		$(this).click(function(){
			if($('#yl-' + cid).css('display')=='none'){
				//$('#yl-' + cid).css('display','inline');
				$('#yl-' + cid).slideDown();
				hideOthers(cid);
			}
		});
	});

	var hideOthers = function(year){
		$('.year').each(function(i, el){
			if(el.id != ('y-' + year)){
				var cid = el.id.replace(/y-/,'');
				$('#yl-' + cid).slideUp();
			}
		});
	}

});