var p2mnu_active = null;
  var p2mnu_class = null;

	function findPos(obj) {
		var coords = {x: 0, y: 0}; 
		if (obj.offsetParent) {
			coords.x = obj.offsetLeft;
			coords.y = obj.offsetTop;
			while (obj = obj.offsetParent) {
				coords.x += obj.offsetLeft;
				coords.y += obj.offsetTop;
			}
		}
		return coords;
	}

  function p2mnu_coords (element) {
    var coords = {x: 0, y: 0};
    coords = findPos(element);
    coords.y +=  element.offsetHeight;//24;
    return coords; 
  }

  function p2mnu_changeOrderMaps(zi){
    var m = getElement("map");
    if(m == null)
      return;

    m.style.zIndex = zi;
  }

  function p2mnu_show(sID) {
    if(sID == p2mnu_active)
      return;
    else
      p2mnu_hide(p2mnu_active);

    //p2mnu_changeOrderMaps(-1);

    var elmCache = getElement(sID);
    if(elmCache == null)
      return;

    p2mnu_active = sID;
    p2mnu_class = elmCache.className;

    elmCache.className = "on";
    var subCache = getElement("submenu_" + sID);
    if(subCache == null)
      return;

    coords = p2mnu_coords(elmCache);
    subCache.style.left = coords.x + "px";
    subCache.style.top = coords.y + "px";
    subCache.style.display = "block";
    //subCache.style.visibility = "visible";
  }

  function p2mnu_hide(sID) {
    if(sID == null)
      return;

    //p2mnu_changeOrderMaps(1);

    var elmCache = getElement(sID);
    if(elmCache == null)
      return;

    elmCache.className = p2mnu_class;//"off";

    var subCache = getElement("submenu_" + sID);
    if(subCache == null)
      return;

//    var x = -1000;
//    var y = -1000;
//    subCache.style.left = x + "px";
//    subCache.style.top = y + "px";
    //subCache.style.visibility = "hidden";
    subCache.style.display = "none";
    p2mnu_active = null;
  }

  function p2mnu_power(mID) {
    var elmCache = getElement(mID);
    if(elmCache == null)
      return;
  }