function hide(id)
{
	if (ns){
		doc = eval('document.' + id);
		doc.visibility = "hide";
	}
	else if (ie){
		doc = eval('document.all.' + id + '.style');
		doc.visibility = "hidden";
	}
	else if (ns6){
		doc = document.getElementById(id);
		doc.style.visibility = "hidden";
	}
}

function show(id)
{
	if (ns){
		doc = eval('document.' + id);
		doc.visibility = "show";
	}
	else if (ie){
		doc = eval('document.all.' + id + '.style');
		doc.visibility = "visible";
	}
	else if (ns6){
		doc = document.getElementById(id);
		doc.style.visibility = "visible";
	}
}