function showSelection (id) {			
 if(id != "" && setid == "empty") {
  if(curid != "empty")
   document.getElementById(curid).style.display = "none";
  curid = id;
  if (id != "empty")
   document.getElementById(id).style.display = "inline";	
 }
}

function setSelection (id) {			
 if(id != "") {
  setid = id;
  if(curid != "empty")
   document.getElementById(curid).style.display = "none";
  curid = id;
  if (id != "empty")
   document.getElementById(id).style.display = "inline";	
 }
}