function showLayer(d,b) {
	if (document.getElementById && document.getElementById(d)) { objLayer = document.getElementById(d); } else if (document.all && document.all[d]) { objLayer = document.all[d]; } else if (document.layers && document.layers[d]) { objLayer = document.layers[d]; } else { objLayer = null; }
	if (objLayer !== null) { objLayer.style.display = (b == 1) ? 'block' : 'none'; }
}