function show(o)
{
	if (document.getElementById)
	{
		document.getElementById(o).style.visibility='visible';
	}
	else if (document.all)
	{
		div = eval(o);
		document.all[div].style.visibility='visible';
	}
	else if (document.layers)
	{
		document.layers[o].visibility='visible';
	}
}

function hide(o)
{
	if (document.getElementById)
	{
		document.getElementById(o).style.visibility='hidden';
	}
	else if (document.all)
	{
		document.all[o].style.visibility='hidden';
	}
	else if (document.layers)
	{
		document.layers[o].visibility='hidden';
	}
}