function showLayer(name)
{
	if(document.layers) { document.layers[name].visibility="visible"; }
	else { document.getElementById(name).style.visibility="visible"; }
}

function hideLayer(name)
{
	if(document.layers) { document.layers[name].visibility="hidden"; }
	else { document.getElementById(name).style.visibility="hidden"; }
}

function fenster()
{
	anfahrt = window.open("anfahrt.php","winanfahrt","scrollbars=no,width=545,height=600");
}