$(document).ready(historyBar);
function historyBar(){

	$(".historyEvent").mouseenter(function(){

		$(".eventText").each(function(intIndex){
			if ($(this).is(":visible"))
				$(this).slideUp('fast');
		});
		
		var year = $(this).attr("id").replace("year", "");
		$("#year" + year + " .eventText").slideDown('fast');
		
		return true;
		
	});

}