function Show(obj)
{
	// Pro NN 4+
	if (document.layers) {document.layers[obj].visibility = "show";}
	
	// Pro IE 4
	if (document.all && !document.getElementById) document.all[obj].style.visibility = "visible";

	// Pro NN 6+, IE 5+, Mozillu 1.2+, Operu 7+
	if (document.getElementById) document.getElementById(obj).style.visibility = "visible";
}
function Hidden(obj)
{
	if (document.layers) {document.layers[obj].visibility = "hide";}

	if (document.all && !document.getElementById) document.all[obj].style.visibility = "hidden";

	if (document.getElementById) document.getElementById(obj).style.visibility = "hidden";
}