var _shownDiv = "";

$(document).ready(function(){
	$(".question").click(function(){
		
		if(_shownDiv != ""){
			$("#"+_shownDiv).hide("blind", { direction: "vertical" }, 1000);
		}
		var id = "answer" + this.id;
		_shownDiv = id;
		
		$("#"+id).show("blind", { direction: "vertical" }, 1000);
	});
});