function Node(id, pid, name, url, title, target, isopen, img){
this.id	= id;
this.pid = pid;
this.name = name;
this.url = url;
this.title = title;
this.target = target;
this.img = img;
this._io = isopen || false;
this._ls = false;
this._hc = false;
this._is = false;
}
function dTree(objName){
this.arrNodes = [];
this.arrRecursed = [];
this.arrIcons = [];
this.rootNode = -1;
this.strOutput = '';
this.selectedNode = null;
this.instanceName = objName;
this.imgFolder = 'img/';
this.target = null;
this.hasLines = true;
this.clickSelect = true;
this.folderLinks = true;
this.useCookies = true;
this.add = function(id, pid, name, url, title, target, isopen, img){
this.arrNodes[this.arrNodes.length] = new Node(id, pid, name, url, title, target, isopen, img);
}
this.draw = function(){
if(document.getElementById){
this.preloadIcons();
if(this.useCookies) this.selectedNode = this.getSelected();
this.addNode(this.rootNode);
document.writeln(this.strOutput);
} else{ document.writeln('Browser not supported.'); }
}
this.openAll = function(){ this.oAll(true); }
this.closeAll = function(){ this.oAll(false); }
this.preloadIcons = function(){
if(this.hasLines){
this.arrIcons[0] = new Image();
this.arrIcons[0].src = this.imgFolder + 'plus.gif';
this.arrIcons[1] = new Image();
this.arrIcons[1].src = this.imgFolder + 'plusbottom.gif';
this.arrIcons[2] = new Image();
this.arrIcons[2].src = this.imgFolder + 'minus.gif';
this.arrIcons[3] = new Image();
this.arrIcons[3].src = this.imgFolder + 'minusbottom.gif';
} else{
this.arrIcons[0] = new Image();
this.arrIcons[0].src = this.imgFolder + 'nolines_plus.gif';
this.arrIcons[1] = new Image();
this.arrIcons[1].src = this.imgFolder + 'nolines_plus.gif';
this.arrIcons[2] = new Image();
this.arrIcons[2].src = this.imgFolder + 'nolines_minus.gif';
this.arrIcons[3] = new Image();
this.arrIcons[3].src = this.imgFolder + 'nolines_minus.gif';
}
this.arrIcons[4] = new Image();
this.arrIcons[4].src = this.imgFolder + 'folder.gif';
this.arrIcons[5] = new Image();
this.arrIcons[5].src = this.imgFolder + 'folderopen.gif';
}
this.addNode = function(pNode){
for (var n=0; n<this.arrNodes.length; n++){
if(this.arrNodes[n].pid == pNode){
var cn = this.arrNodes[n];
cn._hc = this.hasChildren(cn);
cn._ls = (this.hasLines) ? this.lastSibling(cn) : false;
if(cn._hc && !cn._io && this.useCookies) cn._io = this.isOpen(cn.id);
if(this.clickSelect && cn.id == this.selectedNode){
cn._is = true;
this.selectedNode = n;
}
if(!this.folderLinks && cn._hc) cn.url = null;
if(this.rootNode != cn.pid){
for (r=0; r<this.arrRecursed.length; r++)
this.strOutput += '<img border=0 src="' + this.imgFolder + ( (this.arrRecursed[r] == 1 && this.hasLines) ? 'line' : 'empty' ) + '.gif" alt="" />';
(cn._ls) ? this.arrRecursed.push(0) : this.arrRecursed.push(1);
if(cn._hc){
this.strOutput += '<a href="javascript: ' + this.instanceName + '.o(' + n + ');">' + '<img border=0 id="j' + this.instanceName + n + '" src="' + this.imgFolder;
if(!this.hasLines)
this.strOutput += 'nolines_';
this.strOutput += ( (cn._io) ? ((cn._ls && this.hasLines) ? 'minusbottom' : 'minus') : ((cn._ls && this.hasLines) ? 'plusbottom' : 'plus' ) ) + '.gif" alt="" /></a>';
}
else
this.strOutput += '<img border=0 src="' + this.imgFolder + ( (this.hasLines) ? ((cn._ls) ? 'joinbottom' : 'join' ) : 'empty') + '.gif" alt="" />';
}
if(cn.url){
this.strOutput += '<a href="' + cn.url + '"';
if(cn.title) this.strOutput += ' title="' + cn.title + '"';
if(cn.target) this.strOutput += ' target="' + cn.target + '"';
if(this.target && !cn.target) this.strOutput += ' target="' + this.target + '"';
if(this.clickSelect){
if(cn._hc){
if(this.folderLinks)
this.strOutput += ' onclick="javascript: ' + this.instanceName + '.s(' + n + ');"';
} else{
this.strOutput += ' onclick="javascript: ' + this.instanceName + '.s(' + n + ');"';
}
}
this.strOutput += '>';
}
if((!this.folderLinks || !cn.url) && cn._hc && cn.pid != this.rootNode){
this.strOutput += '<a href="javascript: ' + this.instanceName + '.o(' + n + ');">';
}
this.strOutput += '<img border=0 id="i' + this.instanceName + n + '" src="' + this.imgFolder;
this.strOutput += (cn.img) ? cn.img : ((this.rootNode == cn.pid) ? 'base' : (cn._hc) ? ((cn._io) ? 'folderopen' : 'folder') : 'page') + '.gif';
this.strOutput += '" alt="" />';
this.strOutput += '<span id="s' + this.instanceName + n + '" class="' + ((this.clickSelect) ? ((cn._is ? 'nodeSel' : 'node')) : 'node') + '">';
this.strOutput += cn.name;
this.strOutput += '</span>';
if(cn.url || (!this.folderLinks && cn._hc)) this.strOutput += '</a>';
this.strOutput += '<br />\n';
if(cn._hc){
this.strOutput += '<div id="d' + this.instanceName + n + '" style="display:' + ((this.rootNode == cn.pid || cn._io) ? 'block' : 'none') + ';">\n';
this.addNode(cn.id);
this.strOutput += '</div>\n';
}
this.arrRecursed.pop();
}
}
}
this.hasChildren = function(node){
for (n=0; n<this.arrNodes.length; n++)
if(this.arrNodes[n].pid == node.id) return true;
return false;
}
this.lastSibling = function(node){
var lastId;
for (n=0; n< this.arrNodes.length; n++)
if(this.arrNodes[n].pid == node.pid) lastId = this.arrNodes[n].id;
if(lastId==node.id) return true;
return false;
}
this.isOpen = function(id){
openNodes = this.getCookie('co' + this.instanceName).split('.');
for (n=0;n<openNodes.length;n++)
if(openNodes[n] == id) return true;
return false;
}
this.isSelected = function(id){
selectedNode = this.getCookie('cs' + this.instanceName);
if(selectedNode){
if(id==selectedNode){
this.selectedNode = id;
return true
}
}
return false;
}
this.getSelected = function(){
selectedNode = this.getCookie('cs' + this.instanceName);
if(selectedNode)	return selectedNode;
return null;
}
this.s = function(id){
cn = this.arrNodes[id];
if(this.selectedNode != id){
if(this.selectedNode){
eOldSpan = document.getElementById("s" + this.instanceName + this.selectedNode);
eOldSpan.className = "node";
}
eNewSpan = document.getElementById("s" + this.instanceName + id);
eNewSpan.className = "nodeSel";
this.selectedNode = id;
if(this.useCookies) this.setCookie('cs' + this.instanceName, cn.id);
}
}
this.o = function(id){
cn = this.arrNodes[id];
(cn._io) ? this.nodeClose(id,cn._ls) : this.nodeOpen(id,cn._ls);
cn._io = !cn._io;
if(this.useCookies) this.updateCookie();
}
this.oAll = function(open){
for (n=0;n<this.arrNodes.length;n++){
if(this.arrNodes[n]._hc && this.arrNodes[n].pid != this.rootNode){
if(open){
this.nodeOpen(n, this.arrNodes[n]._ls);
this.arrNodes[n]._io = true;
} else{
this.nodeClose(n, this.arrNodes[n]._ls);
this.arrNodes[n]._io = false;
}
}
}
if(this.useCookies) this.updateCookie();
}
this.nodeOpen = function(id, bottom){
eDiv	= document.getElementById('d' + this.instanceName + id);
eJoin	= document.getElementById('j' + this.instanceName + id);
eIcon	= document.getElementById('i' + this.instanceName + id);
eJoin.src = (bottom) ?  this.arrIcons[3].src : this.arrIcons[2].src;
if(!this.arrNodes[id].img) eIcon.src = this.arrIcons[5].src;
eDiv.style.display = 'block';
}
this.nodeClose = function(id, bottom){
eDiv	= document.getElementById('d' + this.instanceName + id);
eJoin	= document.getElementById('j' + this.instanceName + id);
eIcon	= document.getElementById('i' + this.instanceName + id);
eJoin.src = (bottom) ? this.arrIcons[1].src : this.arrIcons[0].src;
if(!this.arrNodes[id].img) eIcon.src = this.arrIcons[4].src;
eDiv.style.display = 'none';
}
this.clearCookie = function(){
var now = new Date();
var yesterday = new Date(now.getTime() - 1000 * 60 * 60 * 24);
this.setCookie('co'+this.instanceName, 'cookieValue', yesterday);
this.setCookie('cs'+this.instanceName, 'cookieValue', yesterday);
}
this.setCookie = function(cookieName, cookieValue, expires, path, domain, secure){
document.cookie =
escape(cookieName) + '=' + escape(cookieValue)
+ (expires ? '; expires=' + expires.toGMTString() : '')
+ (path ? '; path=' + path : '')
+ (domain ? '; domain=' + domain : '')
+ (secure ? '; secure' : '');
}
this.getCookie = function(cookieName){
var cookieValue = '';
var posName = document.cookie.indexOf(escape(cookieName) + '=');
if(posName != -1){
var posValue = posName + (escape(cookieName) + '=').length;
var endPos = document.cookie.indexOf(';', posValue);
if(endPos != -1)
cookieValue = unescape(document.cookie.substring(posValue, endPos));
else
cookieValue = unescape(document.cookie.substring(posValue));
}
return (cookieValue);
}
this.updateCookie = function(){
sReturn = '';
for (n=0;n<this.arrNodes.length;n++){
if(this.arrNodes[n]._io && this.arrNodes[n].pid != this.rootNode){
if(sReturn) sReturn += '.';
sReturn += this.arrNodes[n].id;
}
}
this.setCookie('co' + this.instanceName, sReturn);
}
}
if(!Array.prototype.push){
Array.prototype.push = function array_push(){
for(var i=0;i<arguments.length;i++)
this[this.length]=arguments[i];
return this.length;
}
}
if(!Array.prototype.pop){
Array.prototype.pop = function array_pop(){
lastElement = this[this.length-1];
this.length = Math.max(this.length-1,0);
return lastElement;
}
}