var ns4 = (document.layers);
var ie4 = (document.all && !document.getElementById);
var ie5 = (document.all && document.getElementById);
var ns6 = (!document.all && document.getElementById);
function hide(id)
{
	if(ns4)
	{
		document.layers[id].visibility = "hide";
		document.getElementById(id).style.display = "none";
	}
	else if(ie4)
	{
		document.all[id].style.visibility = "hidden";
		document.getElementById(id).style.display = "none";
	}
	else if(ie5 || ns6){// W3C - Explorer 5+ and Netscape 6+
		document.getElementById(id).style.visibility = "hidden";
		document.getElementById(id).style.display = "none";
	}
}
function show(id)
{
	if(ns4){
		document.layers[id].visibility = "show";
	}
	else if(ie4){
		document.all[id].style.visibility = "visible";
	}
	else if(ie5 || ns6){// W3C - Explorer 5+ and Netscape 6+
		document.getElementById(id).style.visibility = "visible";
		document.getElementById(id).style.display = "block";
	}
}