// Functions to show and hide divs
var lastItem = "";

function showItem(divID) {
  refID = document.getElementById(divID);
	refID.style.display = "block";
	lastItem = divID;
	return false;
	}

function hideItem(divID) {
	if ( lastItem == "" ) return false;
  refID = document.getElementById(divID);
	refID.style.display = "none";
	lastItem = divID;
	return false;
	}

function showHide(showID, hideID) {
  hideItem(hideID); 
	showItem(showID);
	return false;
  }

function hideShow(hideID, showID) {
  hideItem(hideID); 
	showItem(showID);
	return false;
  }

function newItem(showID) {
	hideItem(lastItem);
	showItem(showID);
	return false;
}