function hide(objID) {
	obj = document.getElementById(objID);
	if (obj.style.display != "none") {
		obj.style.display = "none";
	}
}

function showRow(objID) {
	obj = document.getElementById(objID);
	if (obj.style.display == "none") {
		rowStyle = (document.all) ? "table-footer-group" : "table-row";
		obj.style.display = rowStyle;
	}
}