$(document).ready(function (){
    
    $('a.yearToggle').click(function() {
	    
	    $('.list').hide();
	    $('.yearToggle').removeClass("YearHeaderExpanded");
	    $('.yearToggle').addClass("YearHeaderNonExpanded");	    
		 
		if ($(this).attr("status") == "closed") { 
	        $('#list_' + $(this).attr('year')).attr('style','display:block;');
	        $(this).addClass("YearHeaderExpanded");
	        $(this).removeClass("YearHeaderNonExpanded");
	        $(this).attr("status","open");
	    }else{
	        $(this).attr("status","closed");
	    }	 
    });
});