function swapImage (id, image)
{
	var id = document.getElementById(id);
	id.src = image; 
}

function opnSwitch (id)
{
  var id = document.getElementById(id);
  if (id.src == 'http://activities.byui.edu/images/nav/open.gif')
  {
    id.src = 'http://activities.byui.edu/images/nav/close.gif';
    id.alt = 'Close';
  }
  else
  {
    id.src = 'http://activities.byui.edu/images/nav/open.gif';
    id.alt = 'Open';
  }
}