getElem = document.all ?
	function(s_id) { return document.all[s_id] } :
	function(s_id) { return document.getElementById(s_id) };

function HideShow(obj) {
	var check = getElem(obj).style.visibility;
	if (check == "hidden") {
		getElem(obj).style.display = "block";
		getElem(obj).style.visibility = "visible";
	} else {
		getElem(obj).style.display = "none";
		getElem(obj).style.visibility = "hidden";
	}
	return check;
}

function formatVarPct(pct) {
	return('<font color=' + (pct.toFixed(2) < 0 ? 'red' : 'green') + '>' + pct.toFixed(2) + ' %</font>');
}
function formatVarPts(pts) {
	return('<font color=' + (pts.toFixed(2) < 0 ? 'red' : 'green') + '>' + pts.toFixed(2) + ' pts</font>');
}