function visibility(ziel) {
	var targetList = $(ziel + '_list');
	var targetButton = $(ziel + '_button_link');
	switch (ziel) {
		case 'nav_1':
			$('fla').innerHTML = '<div id="flaAlternative"><img src="/fla/header/3er_var2.jpg" height="248" width="698" id="homeHeaderImage" border="0" /></div>';
			swfobject.embedSWF('/fla/header/atos_videoabspieler_v016.swf', 'flaAlternative', '698', '248', '9.0.0',false, { modus: 4 }, { bgcolor: '#f8f2e8'}, { allowScriptAccess: 'sameDomain' }, false);
			break;
		case 'nav_2':
			$('fla').innerHTML = '<div id="flaAlternative"><img src="/fla/header/4er.jpg" height="248" width="698" id="homeHeaderImage" border="0" /></div>';
			swfobject.embedSWF('/fla/header/atos_videoabspieler_v016.swf', 'flaAlternative', '698', '248', '9.0.0',false, { modus: 2 }, { bgcolor: '#f8f2e8'}, { allowScriptAccess: 'sameDomain' }, false);
			break;
		case 'nav_3':
			$('fla').innerHTML = '<div id="flaAlternative"><img src="/fla/header/3er.jpg" height="248" width="698" id="homeHeaderImage" border="0" /></div>';
			swfobject.embedSWF('/fla/header/atos_videoabspieler_v016.swf', 'flaAlternative', '698', '248', '9.0.0',false, { modus: 3 }, { bgcolor: '#f8f2e8'}, { allowScriptAccess: 'sameDomain' }, false);
			break;
	}
	if(targetList.style.display == 'none')
	{
		targetList.show();
		targetButton.addClassName('active');
	}
	$$('div.nav_list').each(function(s) {
		if(s != targetList)
		{
			s.hide();
		}
	});
	$$('div.nav_button_home a').each(function(s) {
		if(s.id != targetButton.id)
		{
			s.removeClassName('active');
		}
	});
}

function showchildren(quelle,ziel) {
	
	var top_position = document.getElementById(quelle).offsetTop;
	var name = document.getElementById(ziel).id + "_detail";
	stop_hide_timer();
	hidechildren();
	document.getElementById(ziel).style.visibility='visible';
	document.getElementById(ziel).style.top=top_position;
}

function hidechildren() {
	var container = document.getElementsByTagName("div");
	for(var i=0; i<container.length; i++)
	{
		if(container[i].id.indexOf("_details") != -1)
		{
			container[i].style.visibility='hidden';
		}
	}
}

function start_hide_timer() {
	timer = setTimeout("hidechildren()",300);
}

function stop_hide_timer() {
	if(typeof timer != "undefined") {
		clearTimeout(timer);
	}
}