// JavaScript Document
function showInfo(shownObj){
  var ids = new Array('courseDesc','courseObj','courseOut','coursePre','computerReq','scheduledDates');
  for(i = 0; i < ids.length; i++){
  	document.getElementById(ids[i]).style.visibility = "hidden";
	document.getElementById(ids[i]).style.height = "0px";
	document.getElementById(shownObj).style.overflow = "hidden";
  }
  document.getElementById(shownObj).style.visibility = "visible";
  document.getElementById(shownObj).style.height = "550px";
  document.getElementById(shownObj).style.overflow = "auto";
}