/* - mktree.js - */
// http://www.indg.in/portal_javascripts/mktree.js?original=1
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)}}}}
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(){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)}}}