/*--------------------------------------------------|
| dTree 2.05 | www.destroydrop.com/javascript/tree/ |
|---------------------------------------------------|
| Copyright (c) 2002-2003 Geir Landr               |
|                                                   |
| This script can be used freely as long as all     |
| copyright messages are intact.                    |
|                                                   |
| Updated: 17.04.2003                               |
|--------------------------------------------------*//* * Creation arbre :	 * dt=new dTree('nom arbre');  *  * Ajout Noeud * dt.add(id, pid, name, attr, url, title, target, icon, iconOpen, open); *  * Affichage arbre * document.write(arbre); * ou document.getElementById(id).innerHTML=dtree; */

// Node objectfunction Node(id, pid, name, attr, url, title, target, icon, iconOpen, open) {
	this.id = id;	this.pid = pid;	this.name = name;	this.attr = attr;	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 objectfunction dTree(objName) {
	this.config = {		target			: null,		folderLinks		: true,		useSelection	: false,		useCookies		: true,		useLines		: true,		useIcons		: true,		useStatusText	: false,		closeSameLevel	: false,		inOrder			: true
	}
	this.icon = {
		root		: '../../images/vide.png',		folder		: '../../images/dtree/folder.gif',		folderOpen	: '../../images/dtree/folderopen.gif',		node		: '../../images/vide.png',		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(-1);	this.selectedNode = null;	this.selectedFound = false;	this.completed = false;};dTree.prototype.gc = function() {	for (var i=0;  i< this.aNodes.length;i++) {		this.aNodes[i]=null;	}}
// Adds a new node to the node arraydTree.prototype.add = function(id, pid, name, attr, url, title, target, icon, iconOpen, open) {
	this.aNodes[this.aNodes.length] = new Node(id, pid, name, attr, url, title, target, icon, iconOpen, open);};
// Open/close all nodesdTree.prototype.openAll = function() {	this.oAll(true);};
dTree.prototype.closeAll = function() {
	this.oAll(false);};
// Outputs the tree to the pagedTree.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 structuredTree.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 textdTree.prototype.node = function(node, nodeId) {
	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;		}		str += '<img id="i' + this.obj + nodeId + '" src="' + ((node._io) ? node.iconOpen : node.icon) + '" alt="" />';	}	if (node.url) {		str += '<a '+ node.attr + ' 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 ' + node.attr + ' href="javascript: ' + this.obj + '.o(' + nodeId + ');" class="node">';	str += 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 iconsdTree.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 += '<a href="javascript: ' + 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="" /></a>';		} 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 siblingdTree.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 nodedTree.prototype.getSelected = function() {
	var sn = this.getCookie('cs' + this.obj);	return (sn) ? sn : null;};

// Highlights the selected nodedTree.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 closedTree.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();};

// Open or close all nodesdTree.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 nodedTree.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 nodedTree.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 cookiedTree.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 cookiedTree.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 cookiedTree.prototype.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);};
// [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;	}};