var hideItem = null;
function showTable(id) {
	if (document.layers) {
		if (hideItem)
			document.layers[hideItem].display = "none";
		if (document.layers[id].display == "inline")
			document.layers[id].display = "none";
		else
			document.layers[id].display = "inline";
	} else if (document.all) {
		if (hideItem)
			document.all[hideItem].style.display = "none";
		if (document.all[id].style.display == "inline")
			document.all[id].style.display = "none";
		else
			document.all[id].style.display= "inline";
	}
	hideItem = id;
}