var currentNode="";

addEvent(window,"load",convertTrees);
function addEvent(o,e,f){if(o.addEventListener){o.addEventListener(e,f,true);return true;}else if(o.attachEvent){return o.attachEvent("on"+e,f);}else{return false;}}
function setDefault(name,val){if(typeof(window[name])=="undefined" || window[name]==null){window[name]=val;}}
function expandTree(treeId){var ul = document.getElementById(treeId);if(ul == null){return false;}expandCollapseList(ul,nodeOpenClass);}
function collapseTree(treeId){var ul = document.getElementById(treeId);if(ul == null){return false;}expandCollapseList(ul,nodeClosedClass);}
function expandToItem(treeId,itemId){var ul = document.getElementById(treeId);if(ul == null){return false;}var ret = expandCollapseList(ul,nodeOpenClass,itemId);if(ret){var o = document.getElementById(itemId);if(o.scrollIntoView){o.scrollIntoView(false);}}}
function expandCollapseList(ul,cName,itemId){if(!ul.childNodes || ul.childNodes.length==0){return false;}for(var itemi=0;itemi<ul.childNodes.length;itemi++){var item = ul.childNodes[itemi];if(itemId!=null && item.id==itemId){return true;}if(item.nodeName == "LI"){var subLists = false;for(var sitemi=0;sitemi<item.childNodes.length;sitemi++){var sitem = item.childNodes[sitemi];if(sitem.nodeName=="UL"){subLists = true;var ret = expandCollapseList(sitem,cName,itemId);if(itemId!=null && ret){item.className=cName;return true;}}}if(subLists && itemId==null){item.className = cName;}}}}
function convertTrees(){setDefault("treeClass","mktree");setDefault("nodeClosedClass","liClosed");setDefault("nodeOpenClass","liOpen");setDefault("nodeBulletClass","liBullet");setDefault("nodeLinkClass","bullet");setDefault("preProcessTrees",true);if(preProcessTrees){if(!document.createElement){return;}uls = document.getElementsByTagName("ul");for(var uli=0;uli<uls.length;uli++){var ul=uls[uli];if(ul.nodeName=="UL" && ul.className==treeClass){processList(ul);}}}}

var list;
var currenti=0;

function processList(ul){
	if(!ul.childNodes || ul.childNodes.length==0){return;}
	for(var itemi=0;itemi<ul.childNodes.length;itemi++)
	{
		var item = ul.childNodes[itemi];
		if(item.nodeName == "LI"){
			var subLists = false;
			for(var sitemi=0;sitemi<item.childNodes.length;sitemi++){
				var sitem = item.childNodes[sitemi];
				if(sitem.nodeName=="UL"){
					subLists = true;
					processList(sitem);
					}
				}
			var s= document.createElement("SPAN");
			var t= '\u00A0';
			s.className = nodeLinkClass;
			if(subLists){
				if(item.className==null || item.className==""){
					item.className = nodeClosedClass;
				}
				if(item.firstChild.nodeName=="#text"){
					t = t+item.firstChild.nodeValue;
					item.removeChild(item.firstChild);
					}
				s.onclick = function(){
					
					if(currentNode!="" && currentNode!=this.parentNode){
						
						currentNode.className=nodeClosedClass;
					}
					
					this.parentNode.className =(this.parentNode.className==nodeOpenClass) ? nodeClosedClass : nodeOpenClass;
					
					currentNode=this.parentNode;
					return false;
					}
				}
			else{
				item.className = nodeBulletClass;
				s.onclick = function(){
					return false;
					}
				}
			s.appendChild(document.createTextNode(t));
			item.insertBefore(s,item.firstChild);
			}
		}
	alert(ul);
	}