var leftMenuRootOpened = null;
var leftMenuSubOpened = null;

function showSub (obj)
{
  if (leftMenuRootOpened) {
    hideSub(leftMenuRootOpened);
  }
}

function hideSub ()
{
  
}

function findOpened ()
{
  var lm = document.getElementById("leftMenu");
  var divs = lm.getElementsByTagName("div");
  for (var x in divs) {
    if (x.className == "item open") {
      leftMenuRootOpened = x;
    }
    if (x.className == "subitems open") {
      leftMenuSubOpened = x;
    }
  }
}