function toggleLayer(whichLayer)
{
	if (document.getElementById)
	{
		// this is the way the standards work
		var style2 = document.getElementById(whichLayer).style;
		style2.display = style2.display? "":"block";
	}
	else if (document.all)
	{
		// this is the way old msie versions work
		var style2 = document.all[whichLayer].style;
		style2.display = style2.display? "":"block";
	}
	else if (document.layers)
	{
		// this is the way nn4 works
		var style2 = document.layers[whichLayer].style;
		style2.display = style2.display? "":"block";
	}
}

function disableSubmit(whichButton, newValue)
{
	if (document.getElementById)
	{
		// this is the way the standards work
		document.getElementById(whichButton).disabled = true;
		if (newValue != '')
		{
			document.getElementById(whichButton).value = newValue;
		}
	}
	else if (document.all)
	{
		// this is the way old msie versions work
		document.all[whichButton].disabled = true;
	}
	else if (document.layers)
	{
		// this is the way nn4 works
		document.layers[whichButton].disabled = true;
	}
}