$(document).ready(function(){
	$("#hauptnavigation > ul > li").hover(function(){
			$("ul.klappbox").not($(this).children("ul.klappbox")).slideUp("fast");
			$(this).stopTime("slideUp");
			$(this).oneTime(250, "slideDown", function() {
				$(this).children("ul.klappbox").slideDown("fast");
			});
		},function(){
			$(this).stopTime("slideDown");
			$(this).oneTime(500, "slideUp", function() {
				$(this).children("ul.klappbox").slideUp("fast");
			});
		}
	);
 
	$("#hauptnavigation > ul > li > a").focus(function(){
			$("ul.klappbox").hide();
			$(this).next("ul.klappbox").show();
		}
	);
	$("#logo > #bildschirm > a").focus(function(){
			$("ul.klappbox").hide();
		}
	);
	
	$(document.body).click(function(){
		$("ul.klappbox").slideUp("fast");
	});
});