<!-- hide from old browsers --

	function showLayer(id){
		if (document.layers) document.layers[''+id+''].visibility = "visible"
		else if (document.all) document.all[''+id+''].style.visibility = "visible"
		else if (document.GetElementById) document.getElementById(''+id+'').style.visibility = "visible"
	}

	function hideLayer(id){
	if (document.layers) document.layers[''+id+''].visibility = "hidden"
	else if (document.all) document.all[''+id+''].style.visibility = "hidden"
	else if (document.GetElementById) document.getElementById(''+id+'').style.visibility = "hidden"
	}

//-->