var arrHiddenLayers = new Array(7);
arrHiddenLayers[0] = 'nav_home';	
arrHiddenLayers[1] = 'nav_overovaa';
arrHiddenLayers[2] = 'nav_actueel';
arrHiddenLayers[3] = 'nav_projecten';
arrHiddenLayers[4] = 'nav_links';
arrHiddenLayers[5] = 'nav_contact';
arrHiddenLayers[6] = 'nav_diversiteitsprijs';

function showLayers(layer)
{
	for (i = 0; i < 7; i++)
	{
		if (layer == arrHiddenLayers[i])
		{
			document.getElementById(layer).style.visibility = 'visible';
		}
		else
		{
			document.getElementById(arrHiddenLayers[i]).style.visibility = 'hidden';
		}
	}
}


function hideLayers()
{

	for (i = 0; i < 7; i++)
	{
		document.getElementById(arrHiddenLayers[i]).style.visibility = 'hidden';
	}
}

function hide(e)
{	
	if (!e) var e = window.event;
	var tg = e.srcElement || e.target;
	var reltg = e.relatedTarget || e.toElement;
	while (reltg != tg && reltg.nodeName != 'BODY')
	{
		reltg = reltg.parentNode
	}
	if (reltg == tg) return;
	hideLayers();
	return;
}