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";
	}
}
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";
	}
}