// Node object
function Node(id, pid, name, url, title, target, icon, iconOpen, open) {this.id = id;this.pid = pid;this.name = name;this.url = url;this.title = title;this.target = target;	this.icon = icon;this.iconOpen = iconOpen;this._io = open || false;this._is = false;this._ls = false;this._hc = false;this._ai = 0;this._p;};
// Tree object
function dTree(objName) {	this.config = {	target: null,folderLinks: true,	useSelection: true,	useCookies	: true,	useLines: true,	useIcons: true,	useStatusText: false,closeSameLevel: false,	inOrder: false};	this.icon = {root	: '/images/dtree/root.gif',	folder: '/images/dtree/folder.png',	folderOpen: '/images/dtree/folderopen.gif',	node: '/images/dtree/user_3.gif',empty: '/images/dtree/empty.gif',line: '/images/dtree/line.gif',join: '/images/dtree/join.gif',joinBottom: '/images/dtree/joinbottom.gif',	plus: '/images/dtree/plus.gif',	plusBottom: '/images/dtree/plusbottom.gif',	minus: '/images/dtree/minus.gif',minusBottom		: '/images/dtree/minusbottom.gif',	nlPlus: '/images/dtree/nolines_plus.gif',nlMinus: '/images/dtree/nolines_minus.gif'	};	this.obj = objName;	this.aNodes = [];this.aIndent = [];this.root = new Node(0);this.selectedNode = null;	this.selectedFound = false;	this.completed = false;};
// Adds a new node to the node array
dTree.prototype.add = function(id, pid, name, icon, url, title, target, iconOpen, open) {this.aNodes[this.aNodes.length] = new Node(id, pid, name, url, title, target, icon, icon/*Open*/, open);};
// Open/close all nodes
dTree.prototype.openAll = function() {	this.oAll(true);};dTree.prototype.closeAll = function() {this.oAll(false);};
// Outputs the tree to the page
dTree.prototype.toString = function() {	var str = '<div class="dtree">\n';	if (document.getElementById) {if (this.config.useCookies) this.selectedNode = this.getSelected();	str += this.addNode(this.root);	} else str += 'Browser not supported.';	str += '</div>';if (!this.selectedFound) this.selectedNode = null;	this.completed = true;return str;};
// Creates the tree structure
dTree.prototype.addNode = function(pNode) {var str = '';var n=0;if (this.config.inOrder) n = pNode._ai;	for (n; n<this.aNodes.length; n++) {if (this.aNodes[n].pid == pNode.id) {	var cn = this.aNodes[n];cn._p = pNode;	cn._ai = n;	this.setCS(cn);	if (!cn.target && this.config.target) cn.target = this.config.target;if (cn._hc && !cn._io && this.config.useCookies) cn._io = this.isOpen(cn.id);if (!this.config.folderLinks && cn._hc) cn.url = null;	if (this.config.useSelection && cn.id == this.selectedNode && !this.selectedFound) {	cn._is = true;	this.selectedNode = n;	this.selectedFound = true;	}	str += this.node(cn, n);if (cn._ls) break;	}}return str;};
// Creates the node icon, url and text
dTree.prototype.node = function(node, nodeId) {	var imgstr = '';var str = '<div class="dTreeNode">' + this.indent(node, nodeId);if (this.config.useIcons) {	if (!node.icon) node.icon = (this.root.id == node.pid) ? this.icon.root : ((node._hc) ? this.icon.folder : this.icon.node);if (!node.iconOpen) node.iconOpen = (node._hc) ? this.icon.folderOpen : this.icon.node;if (this.root.id == node.pid) {node.icon = this.icon.root;	node.iconOpen = this.icon.root;	}imgstr += '<img border="0" id="i' + this.obj + nodeId + '" src="' + ((node._io) ? node.iconOpen : node.icon) + '" alt="" />';}if (node.url) {str += '<a id="s' + this.obj + nodeId + '" class="' + ((this.config.useSelection) ? ((node._is ? 'nodeSel' : 'node')) : 'node') + '" href="' + node.url + '"';	if (node.title) str += ' title="' + node.title + '"';if (node.target) str += ' target="' + node.target + '"';if (this.config.useStatusText) str += ' onmouseover="window.status=\'' + node.name + '\';return true;" onmouseout="window.status=\'\';return true;" ';	if (this.config.useSelection && ((node._hc && this.config.folderLinks) || !node._hc))str += ' onclick="javascript: ' + this.obj + '.s(' + nodeId + ');"';	str += '>';}else if ((!this.config.folderLinks || !node.url) && node._hc && node.pid != this.root.id)	str += '<a href="javascript: ' + this.obj + '.low(' + nodeId + ');" class="node">';str +=  imgstr + node.name;if (node.url || ((!this.config.folderLinks || !node.url) && node._hc)) str += '</a>';	str += '</div>';if (node._hc) {	str += '<div id="d' + this.obj + nodeId + '" class="clip" style="display:' + ((this.root.id == node.pid || node._io) ? 'block' : 'none') + ';">';str += this.addNode(node);	str += '</div>';}this.aIndent.pop();return str;};
// Adds the empty and line icons
dTree.prototype.indent = function(node, nodeId) {	var str = '';if (this.root.id != node.pid) {for (var n=0; n<this.aIndent.length; n++)str += '<img src="' + ( (this.aIndent[n] == 1 && this.config.useLines) ? this.icon.line : this.icon.empty ) + '" alt="" />';	(node._ls) ? this.aIndent.push(0) : this.aIndent.push(1);if (node._hc) {str += '<span onclick=" ' + this.obj + '.o(' + nodeId + ');"><img id="j' + this.obj + nodeId + '" src="';if (!this.config.useLines) str += (node._io) ? this.icon.nlMinus : this.icon.nlPlus;	else str += ( (node._io) ? ((node._ls && this.config.useLines) ? this.icon.minusBottom : this.icon.minus) : ((node._ls && this.config.useLines) ? this.icon.plusBottom : this.icon.plus ) );	str += '" alt="" /></span>';} else str += '<img src="' + ( (this.config.useLines) ? ((node._ls) ? this.icon.joinBottom : this.icon.join ) : this.icon.empty) + '" alt="" />';}return str;};
// Checks if a node has any children and if it is the last sibling
dTree.prototype.setCS = function(node) {var lastId;	for (var n=0; n<this.aNodes.length; n++) {		if (this.aNodes[n].pid == node.id) node._hc = true;	if (this.aNodes[n].pid == node.pid) lastId = this.aNodes[n].id;	}	if (lastId==node.id) node._ls = true;};
// Returns the selected node
dTree.prototype.getSelected = function() {	var sn = this.getCookie('cs' + this.obj);	return (sn) ? sn : null;};
// Highlights the selected node
dTree.prototype.s = function(id) {	if (!this.config.useSelection) return;	var cn = this.aNodes[id];	if (cn._hc && !this.config.folderLinks) return;	if (this.selectedNode != id) {if (this.selectedNode || this.selectedNode==0) {	eOld = document.getElementById("s" + this.obj + this.selectedNode);	eOld.className = "node";}eNew = document.getElementById("s" + this.obj + id);	eNew.className = "nodeSel";	this.selectedNode = id;	if (this.config.useCookies) this.setCookie('cs' + this.obj, cn.id);	}};
// Toggle Open or close
dTree.prototype.o = function(id) {	var cn = this.aNodes[id];	this.nodeStatus(!cn._io, id, cn._ls);	cn._io = !cn._io;	if (this.config.closeSameLevel) this.closeLevel(cn);	if (this.config.useCookies) this.updateCookie();};
// Toggle Open or close
dTree.prototype.low = function(id) {var cn = this.aNodes[id];	this.nodeStatus(!cn._io, id, cn._ls);cn._io = !cn._io;	if (this.config.closeSameLevel) this.closeLevel(cn);if (this.config.useCookies) this.updateCookie();	};
// Open or close all nodes
dTree.prototype.oAll = function(status) {	for (var n=0; n<this.aNodes.length; n++) {	if (this.aNodes[n]._hc && this.aNodes[n].pid != this.root.id) {	this.nodeStatus(status, n, this.aNodes[n]._ls);	this.aNodes[n]._io = status;}}	if (this.config.useCookies) this.updateCookie();};// Opens the tree to a specific node
dTree.prototype.openTo = function(nId, bSelect, bFirst) {if (!bFirst) {	for (var n=0; n<this.aNodes.length; n++) {	if (this.aNodes[n].id == nId) {	nId=n;	break;}}}var cn=this.aNodes[nId];if (cn.pid==this.root.id || !cn._p) return;cn._io = true;cn._is = bSelect;	if (this.completed && cn._hc) this.nodeStatus(true, cn._ai, cn._ls);if (this.completed && bSelect) this.s(cn._ai);	else if (bSelect) this._sn=cn._ai;	this.openTo(cn._p._ai, false, true);};// Closes all nodes on the same level as certain node
dTree.prototype.closeLevel = function(node) {	for (var n=0; n<this.aNodes.length; n++) {if (this.aNodes[n].pid == node.pid && this.aNodes[n].id != node.id && this.aNodes[n]._hc) {this.nodeStatus(false, n, this.aNodes[n]._ls);	this.aNodes[n]._io = false;	this.closeAllChildren(this.aNodes[n]);	}}};
// Closes all children of a node
dTree.prototype.closeAllChildren = function(node) {	for (var n=0; n<this.aNodes.length; n++) {	if (this.aNodes[n].pid == node.id && this.aNodes[n]._hc) {	if (this.aNodes[n]._io) this.nodeStatus(false, n, this.aNodes[n]._ls);this.aNodes[n]._io = false;this.closeAllChildren(this.aNodes[n]);	}}};
// Change the status of a node(open or closed)
dTree.prototype.nodeStatus = function(status, id, bottom) {eDiv	= document.getElementById('d' + this.obj + id);	eJoin	= document.getElementById('j' + this.obj + id);if (this.config.useIcons) {	eIcon	= document.getElementById('i' + this.obj + id);	eIcon.src = (status) ? this.aNodes[id].iconOpen : this.aNodes[id].icon;	}eJoin.src = (this.config.useLines)?	((status)?((bottom)?this.icon.minusBottom:this.icon.minus):((bottom)?this.icon.plusBottom:this.icon.plus)):	((status)?this.icon.nlMinus:this.icon.nlPlus);	eDiv.style.display = (status) ? 'block': 'none';};
// [Cookie] Clears a cookie
dTree.prototype.clearCookie = function() {	var now = new Date();	var yesterday = new Date(now.getTime() - 1000 * 60 * 60 * 24);	this.setCookie('co'+this.obj, 'cookieValue', yesterday);	this.setCookie('cs'+this.obj, 'cookieValue', yesterday);};
// [Cookie] Sets value in a cookie
dTree.prototype.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' : '');};
// [Cookie] Gets a value from a cookie
dTree.prototype.getCookie = function(cookieName) {	var cookieValue = '';	var posName = document.cookie.indexOf(escape(cookieName) + '=');if (posName != 0) {	var posValue = posName + (escape(cookieName) + '=').length;	var endPos = document.cookie.indexOf(';', posValue);if (endPos != 0) cookieValue = unescape(document.cookie.substring(posValue, endPos));else cookieValue = unescape(document.cookie.substring(posValue));	}return (cookieValue);};
// [Cookie] Returns ids of open nodes as a string
dTree.prototype.updateCookie = function() {	var str = '';	for (var n=0; n<this.aNodes.length; n++) {	if (this.aNodes[n]._io && this.aNodes[n].pid != this.root.id) {if (str) str += '.';	str += this.aNodes[n].id;	}}this.setCookie('co' + this.obj, str);};
// [Cookie] Checks if a node id is in a cookie
dTree.prototype.isOpen = function(id) {	var aOpen = this.getCookie('co' + this.obj).split('.');	for (var n=0; n<aOpen.length; n++)	if (aOpen[n] == id) return true;	return false;};// If Push and pop is not implemented by the browser
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;}};