<!--

function change(evt){
   evt = (evt) ? evt : ((window.event) ? window.event : null);
   if (evt) {
      var elem = (evt.target) ? evt.target : ((evt.srcElement) ? evt.srcElement : null);
      if (elem) {
	var elemParent = (elem.parentElement) ? elem.parentElement : ((elem.parentNode) ? elem.parentNode : null);
	if (elemParent) {
	   var groupChildren = (elemParent.childNodes) ? elemParent.childNodes : null;
	   if (groupChildren) {
	     for (var i=0; i < groupChildren.length; i++) {
	      if (groupChildren[i].nodeType == 1 && groupChildren[i].tagName.toLowerCase() == "ul") {
		if (groupChildren[i].className == "dirHidden") {
		   groupChildren[i].className = "dirShowed";
		} else {
		   groupChildren[i].className = "dirHidden";
		}
	      } 
	      if (groupChildren[i].nodeType == 1 && groupChildren[i].tagName.toLowerCase() == "img") {
		if (groupChildren[i].src.indexOf("folderopen.gif") != -1) {
		   groupChildren[i].src = "folderclosed.gif";
		} else {
		   groupChildren[i].src = "folderopen.gif";
		}
	      }
	     }
	   }
	}
      }
   } 
}

function compress(){
   var ulSet;
   ulSet = document.getElementsByTagName("ul");
   for (var i = 0; i < ulSet.length; i++){
      if (ulSet[i].className == "dirShowed"){
	ulSet[i].className = "dirHidden";
      }
   }
   var imgSet;
   imgSet = document.getElementsByTagName("img");
   for (var i = 0; i < imgSet.length; i++){
      if (imgSet[i].src.indexOf("folderopen.gif") != -1){
	imgSet[i].src = "folderclosed.gif";
      }
   }
}


function expand(){
   var ulSet;
   ulSet = document.getElementsByTagName("ul");
   for (var i = 0; i < ulSet.length; i++){
      if (ulSet[i].className == "dirHidden"){
	ulSet[i].className = "dirShowed";
      }
   }
   var imgSet;
   imgSet = document.getElementsByTagName("img");
   for (var i = 0; i < imgSet.length; i++){
      if (imgSet[i].src.indexOf("folderclosed.gif") != -1){
	imgSet[i].src = "folderopen.gif";
      }
   }
}

function showButtons(){
   if (document.getElementById){
      document.getElementById("LIbuttons").className = null;
   }
}

document.onclick=change
//-->