/* - DynamicTree.js - */
// http://www.van-buuren.com/portal_javascripts/DynamicTree.js?original=1
function DynamicTree(id){this.foldersAsLinks=false;this.path="images/";this.img={"branch":"tree-branch.gif","doc":"tree-doc.gif","folder":"tree-folder.gif","folderOpen":"tree-folder-open.gif","leaf":"tree-leaf.gif","leafEnd":"tree-leaf-end.gif","node":"tree-node.gif","nodeEnd":"tree-node-end.gif","nodeOpen":"tree-node-open.gif","nodeOpenEnd":"tree-node-open-end.gif"};this.cookiePath="";this.cookieDomain="";this.init=function(){var p,img;for(p in this.img){this.img[p]=this.path+this.img[p]}
for(p in this.img){this.imgObjects.push(new Image());this.imgObjects.getLast().src=this.img[p];this.img[p]=this.imgObjects.getLast().src}
this.parse(document.getElementById(this.id).childNodes,this.tree,1);this.loadState();if(window.addEventListener){window.addEventListener("unload", function(e){self.saveState()},false)}
else if(window.attachEvent){window.attachEvent("onunload", function(e){self.saveState()})}
this.updateHtml()};this.parse=function(nodes,tree){for(var i=0;i<nodes.length;i++){if(nodes[i].nodeType==1){if(!nodes[i].className){continue}
if(!nodes[i].id){nodes[i].id=this.id+"-"+(++this.count)}
var node=new Node();node.id=nodes[i].id;if(nodes[i].firstChild){if(nodes[i].firstChild.tagName=="A"){var a=nodes[i].firstChild;if(a.firstChild){node.text=a.firstChild.nodeValue.trim()}
if(a.href){node.href=a.href}
if(a.title){node.title=a.title}
if(a.target){node.target=a.target}} else{node.text=nodes[i].firstChild.nodeValue.trim()}}
node.parentNode=tree;node.childNodes=(nodes[i].className=="folder"?new Array():null);node.isDoc=(nodes[i].className=="doc");node.isFolder=(nodes[i].className=="folder");if(node.isDoc){if(nodes[i].childNodes!=null){var subNodes=nodes[i].childNodes;var a;for(var j=0;j<subNodes.length;j++){a=subNodes[j];if(a){if(a.tagName=='A'){if(a.firstChild){node.text=a.firstChild.nodeValue.trim()}
if(a.href){node.href=a.href}
if(a.title){node.title=a.title}
if(a.target){node.target=a.target}} else if(a.tagName=='SPAN'){node.additional.push(a)}}}}}
tree.childNodes.push(node);this.allNodes[node.id]=node}
if(nodes[i].nodeType==1&&nodes[i].childNodes){this.parse(nodes[i].childNodes,tree.childNodes.getLast())}}};this.nodeClick=function(id){var el=document.getElementById(id+"-section");var node=document.getElementById(id+"-node");var icon=document.getElementById(id+"-icon");if(el.style.display=="block"){el.style.display="none";if(this.allNodes[id].isLast()){node.src=this.img.nodeEnd}
else{node.src=this.img.node}
icon.src=this.img.folder;this.opened.removeByValue(id)} else{el.style.display="block";if(this.allNodes[id].isLast()){node.src=this.img.nodeOpenEnd}
else{node.src=this.img.nodeOpen}
icon.src=this.img.folderOpen;this.opened.push(id)}
if(node.outerHTML){node.outerHTML=node.outerHTML}
if(icon.outerHTML){icon.outerHTML=icon.outerHTML}};this.toHtml=function(){var s="";var nodes=this.tree.childNodes;for(var i=0;i<nodes.length;i++){s+=nodes[i].toHtml()}
return s};this.updateHtml=function(){document.getElementById(this.id).innerHTML=this.toHtml()};this.loadState=function(){var opened=this.cookie.get("opened");if(opened){this.opened=opened.split("|");this.opened.filter(function(id){return self.allNodes[id]&&self.allNodes[id].isFolder&&self.allNodes[id].childNodes.length})}};this.saveState=function(){if(this.opened.length){this.cookie.set("opened",this.opened.join("|"),3600*24*30,this.cookiePath,this.cookieDomain)} else{this.clearState()}};this.clearState=function(){this.cookie.del("opened")};
function Node(id,text,parentNode,childNodes,isDoc,isFolder){this.id=id;this.text=text;this.parentNode=parentNode;this.childNodes=childNodes;this.isDoc=isDoc;this.isFolder=isFolder;this.href="";this.title="";this.target="";this.additional=new Array();this.isLast=function(){if(this.parentNode){return this.parentNode.childNodes.getLast().id==this.id}
throw "DynamicTree.Node.isLast() failed, this func cannot be called for the root element"};this.toHtml=function(){var doc_class=this.isLast()?"doc":"doc doc-section";var s='<div class="?" id="?">'.format((this.isFolder?"folder":doc_class),this.id);if(this.isFolder){var nodeIcon;if(this.childNodes.length){nodeIcon=(self.opened.contains(this.id)?(this.isLast()?self.img.nodeOpenEnd:self.img.nodeOpen):(this.isLast()?self.img.nodeEnd:self.img.node))} else{nodeIcon=(this.isLast()?self.img.leafEnd:self.img.leaf)}
var icon=((self.opened.contains(this.id)&&this.childNodes.length)?self.img.folderOpen:self.img.folder);if(this.childNodes.length){s+='<a href="javascript:void(0)" onclick="?.nodeClick(\'?\')">'.format(self.id,this.id)}
s+='<img id="?-node" src="?" width="18" height="18" alt="" />'.format(this.id,nodeIcon);s+='<img id="?-icon" src="?" width="18" height="18" alt="" />'.format(this.id,icon);s+=this.text;if(this.childNodes.length){s+='</a>';s+='<div class="section?" id="?-section"'.format((this.isLast()?" last":""),this.id);if(self.opened.contains(this.id)){s+='  style="display: block;"'}
s+='>';for(var i=0;i<this.childNodes.length;i++){s+=this.childNodes[i].toHtml()}
s+='</div>'}}
if(this.isDoc){s+='<img src="?" width="18" height="18" alt="" class="leaf" /><img src="?" width="18" height="18" alt="" />'.format((this.isLast()?self.img.leafEnd:self.img.leaf),self.img.doc);s+='<a href="?"??>?</a>'.format(this.href,(this.title?' title="?"'.format(this.title):""),(this.target?' target="?"'.format(this.target):""),this.text);for(var i=0;i<this.additional.length;i++){s+=this.additional[i].innerHTML}}
s+='</div>';return s}}
function Cookie(){this.get=function(name){var cookies=document.cookie.split(";");for(var i=0;i<cookies.length;++i){var a=cookies[i].split("=");if(a.length==2){a[0]=a[0].trim();a[1]=a[1].trim();if(a[0]==name){return unescape(a[1])}}}
return ""};this.set=function(name,value,seconds,path,domain,secure){var cookie=(name+"="+escape(value));if(seconds){var date=new Date(new Date().getTime()+seconds*1000);cookie+=("; expires="+date.toGMTString())}
cookie+=(path?"; path="+path:"");cookie+=(domain?"; domain="+domain:"");cookie+=(secure?"; secure":"");document.cookie=cookie};this.del=function(name){document.cookie=name+"=; expires=Thu, 01-Jan-70 00:00:01 GMT"}}
var self=this;this.id=id;this.tree=new Node("tree","",null,new Array(),false,true);this.allNodes={};this.opened=[];this.active="";this.cookie=new Cookie();this.imgObjects=[];this.count=0}
if(!Array.prototype.contains){Array.prototype.contains=function(s){for(var i=0;i<this.length;++i){if(this[i]===s){return true}}
return false}}
if(!Array.prototype.removeByValue){Array.prototype.removeByValue=function(value){var i,indexes=[];for(i=0;i<this.length;++i){if(this[i]===value){indexes.push(i)}}
for(i=indexes.length-1;i>=0;--i){this.splice(indexes[i],1)}}}
if(!Array.prototype.filter){Array.prototype.filter=function(func){var i,indexes=[];for(i=0;i<this.length;++i){if(!func(this[i])){indexes.push(i)}}
for(i=indexes.length-1;i>=0;--i){this.splice(indexes[i],1)}}}
if(!Array.prototype.getLast){Array.prototype.getLast=function(){return this[this.length-1]}}
if(!String.prototype.trim){String.prototype.trim=function(){return this.replace(/^\s*|\s*$/g,"")}}
String.prototype.format=function(){if(!arguments.length){throw "String.format() failed, no arguments passed, this = "+this}
var tokens=this.split("?");if(arguments.length!=(tokens.length-1)){throw "String.format() failed, tokens != arguments, this = "+this}
var s=tokens[0];for(var i=0;i<arguments.length;++i){s+=(arguments[i]+tokens[i+1])}
return s};