function ShowOrHide(d1, d2)
{
	if (d1 != '') DoDiv(d1);
	if (d2 != '') DoDiv(d2);
}

function DoDiv(id)
{
	var item = null;
	if (document.getElementById) item = document.getElementById(id);
	else if (document.all) item = document.all[id];
	else if (document.layers) item = document.layers[id];
	if (!item) {}
	else if (item.style)
	{
		if (item.style.display == "none"){ item.style.display = ""; }
		else {item.style.display = "none"; }
	}
	else{ item.visibility = "show"; }
}