$(function() {
	$('span.innen').next().hide();
	
	$("span.innen").css("cursor", "pointer");
	
	$('span.aussen').next().hide();
	$("span.aussen").before("<span></span>");
	$("span.aussen").css("cursor", "pointer");
	$('span.aussen').addClass('closed');
	$('span.innen').addClass('closed');
	
	
	$("span.aussen").click(function() {
		$('span.aussen').addClass('closed');
		$(this).removeClass('closed');
		$(this).addClass('open');
		$('span.aussen').next().hide();
		$('span.innen').next().hide();
		$(this).next().slideToggle("fast");

	});
	
		$("span.innen").click(function() {
		$('span.innen').addClass('closed');
		$(this).removeClass('closed');
		$(this).addClass('open');
		$('span.innen').next().hide();
		$(this).next().slideToggle("fast");

	});
});