$(document).ready(function(){
	$('#produktnavi').children('.menu').mouseover(function(){
		$(this).children('img').attr('src', 'images/arrow_active.jpg');
	});
	
	$('#produktnavi').children('.menu').mouseleave(function(){
		if (!$(this).hasClass('active'))
			$(this).children('img').attr('src', 'images/arrow.jpg');
	});
});