<!--//
layerRef = ""
styleRef = ""

if (navigator.appName == "Netscape")
{
	layerRef = ".layers"
	styleRef = ""
}
else //per IE
{
	layerRef = ".all"
	styleRef = ".style"
}

function showLayer(layerName)
{
	eval("document"+ layerRef + "[layerName]" + styleRef + ".visibility = 'visible'")
}

function hideLayer(layerName)
{
	eval("document"+ layerRef + "[layerName]" + styleRef + ".visibility = 'hidden'")
}
// -->