var openmenus = new Array();
  var pressed = new Array();
  var timer;
  var okDOM = (document.getElementById || document.layers);

  function setTimer() {
  if (timer) clearTimeout(timer);
  timer = setTimeout('closeAll(1)',2500);
  }

  function getObj(name) {
  if (document.getElementById) {return document.getElementById(name).style;}
  if (document.layers) {return document.layers[name];}
  }

  function closeAll(lvl) {
  for (i=openmenus.length - 1; i>=lvl; i--) {
  if (openmenus[i]) {
    var x = getObj(openmenus[i]);
    x.visibility = 'hidden';
   }
    openmenus[i] = null;
    if (pressed[i]) {
      pressed[i].className = '';
      pressed[i] = null;
      }
    }
  }

  function display(name,lvl,obj) {
    if (!okDOM) return;
    setTimer();
    if (openmenus[lvl] && openmenus[lvl] == name) return;
    if (openmenus[lvl]) closeAll(lvl);
    if (name) {
    var x = getObj(name);
    x.visibility = 'visible';
    }
    openmenus[lvl] = name;
    if (!document.layers) {
      if (obj.className) return;
      obj.className = 'over';
      if (pressed[lvl]) pressed[lvl].className = '';
    }
    pressed[lvl] = obj;
  }