function toggleDisplay(e)  
 {
  if (e.style.display == "none") 
   {e.style.display = "";} 
  else 
   {e.style.display = "none";}
 }
//from Brian Kelley

function toggleVisibility(e)  
 {
  if (e.style.visibility == "hidden") 
   {e.style.visibility = "visible";} 
  else 
   {e.style.visibility = "hidden";}
 }
//from Brian Kelley