addEvent(window,"load",convertTrees);

var currenttree = '';
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);}}}}

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(){
collapseTree('menutree');
this.parentNode.className =(this.parentNode.className==nodeOpenClass) ? nodeClosedClass : nodeOpenClass;return false;}}
else{item.className = nodeBulletClass;s.onclick = function(){return false;}}s.appendChild(document.createTextNode(t));
item.insertBefore(s,item.firstChild);}}}