var active = setTimeout('',0);

function showSubnavi(id, anzahl) {
	for (i=1; i<=anzahl; i++) {
		document.getElementById("subNavigation_" + i).style.visibility='hidden';
	}
	name = "subNavigation_" + id;
	document.getElementById(name).style.visibility='visible';
}

function hideAllSubnavisLater(anzahl) 
{
	clearTimeout(active);
	active = setTimeout('hideAllSubnavis('+anzahl+')', 2000);
}

function hideAllSubnavis(anzahl) 
{
	for (i=1; i<=anzahl; i++) 
	{
		document.getElementById("subNavigation_" + i).style.visibility='hidden';
	}
}