function displayLayer(layid)
	{
		document.getElementById('subNav_verband').style.display='none';
		document.getElementById('subNav_ausbildungen').style.display='none';
		document.getElementById('subNav_mobile').style.display='none';
		document.getElementById('subNav_medien').style.display='none';
		document.getElementById('subNav_veteranen').style.display='none';
		document.getElementById(layid).style.display=(document.getElementById(layid).style.display=='block') ? 'none' : 'block';
	}
function openNavTree(myGroup)
	{
		document.getElementById('subNav_'+myGroup).style.display='block';
	}