function clickHandler() {

var targetId,srcElement,targetElement;
srcElement = window.event.srcElement;
if (srcElement.className == "Outline")
  {
     targetId = srcElement.id + "d";
     targetElement = document.all(targetId);
     if (targetElement.style.display == "none") 
        {
          targetElement.style.display = "";
         //srcElement.src = "images/ofolder.gif";
        }
     else 
        {
          targetElement.style.display = "none";
        //srcElement.src = "images/folder.gif";
        }
  }
}