function ppdd(elem)
{
  while ((elem) && (elem.nodeName.toLowerCase() != "li"))
    elem = elem.parentNode;
  if (elem)
  {
    var x = elem.offsetWidth;
    var y = elem.offsetHeight;
    while (elem && elem.id != "main")
    {
      x += elem.offsetLeft;
      y += elem.offsetTop;
      elem = elem.offsetParent;
    }
    var pplinks = document.getElementById("pplinks");
    var gs = document.getElementById("gs");
    if (pplinks.style.display == "block")
    {
      pplinks.style.display = "none";      
      gs.style.display = "block";
    }
    else
    {
      pplinks.style.left = (x - 180) + "px";
      pplinks.style.top = (y - 2) + "px";
      pplinks.style.display = "block";
      gs.style.display = "none";
    }
  }
  return false;
}