// Common JavaScript Routines
function subDisplay(subName) {
	if (eval(subName).style.visibility == "hidden"){
	eval(subName).style.visibility = "visible";
	eval(subName).style.display = "block";
	var imgName = "img" + subName
	document[imgName].src = "images/open-collapse.gif";
	}
	else{
	eval(subName).style.visibility = "hidden";
	eval(subName).style.display = "none";
	var imgName = "img" + subName
	document[imgName].src = "images/closed-expand.gif";
	}
}