// JavaScript Document
//<!-- Begin
var ie4 = (document.all) ? true : false;
var ns4 = (document.layers) ? true : false;
var ns6 = (document.getElementById && !document.all) ? true : false;



function showhide(lay){
	if (ie4){
		if (document.all[lay].style.visibility != "hidden")
		hidelayer(lay);
		else
		showlayer(lay);
	}
	if (ns4){
		if (document.layers[lay].visibility != "hide")
		hidelayer(lay);
		else
		showlayer(lay);
	}
	if (ns6) {
		if (document.getElementById([lay]).style.display != "none")
		hidelayer(lay);
		else
		showlayer(lay);
	}
}

function hidelayer(lay) {
if (ie4) {document.all[lay].style.visibility = "hidden"; document.all[lay].style.display = "none";}
if (ns4) {document.layers[lay].visibility = "hide";}
if (ns6) {document.getElementById([lay]).style.display = "none"; document.getElementById([lay]).style.visibility = "hidden";}
}
function showlayer(lay) {
if (ie4) {document.all[lay].style.visibility = "visible"; document.all[lay].style.display = "block";}
if (ns4) {document.layers[lay].visibility = "show";}
if (ns6) {document.getElementById([lay]).style.display = "table-row"; document.getElementById([lay]).style.visibility = "visible";}
}
//  End -->