function hide(whichLayer) {

		if (document.getElementById)	{
			var style2 = document.getElementById(whichLayer).style;
			style2.display = style2.display? "":"none";
		} else if (document.all) {
			var style2 = document.all[whichLayer].style;
			style2.display = style2.display? "":"none";
		} else if (document.layers) {
			var style2 = document.layers[whichLayer].style;
			style2.display = style2.display? "":"none";
		}
	}

	function show(whichLayer) {

		if (document.getElementById)	{
			var style2 = document.getElementById(whichLayer).style;
			style2.display = style2.display? "":"block";
		} else if (document.all) {
			var style2 = document.all[whichLayer].style;
			style2.display = style2.display? "":"block";
		} else if (document.layers) {
			var style2 = document.layers[whichLayer].style;
			style2.display = style2.display? "":"block";
		}
	}