// JavaScript Document
/* Μενώ */
function openTreeList (what) {
  var x=what.id;

 if (document.getElementById("list"+x).style.display != "block") {
  document.getElementById("list"+x).style.display = "block";
  document.getElementById(x).className = "open";
 }
 else {
  document.getElementById("list"+x).style.display = "none";
  document.getElementById(x).className = "close";
 }
}