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/*--------------------------------------------------|
| 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                               |
|--------------------------------------------------*/

// 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        : '../static/images/base.gif',
    folder      : '../static/images/folder.gif',
    folderOpen  : '../static/images/folderopen.gif',
    node        : '../static/images/page.gif',
    empty        : '../static/images/empty.gif',
    line        : '../static/images/line.gif',
    join        : '../static/images/join.gif',
    joinBottom  : '../static/images/joinbottom.gif',
    plus        : '../static/images/plus.gif',
    plusBottom  : '../static/images/plusbottom.gif',
    minus        : '../static/images/minus.gif',
    minusBottom  : '../static/images/minusbottom.gif',
    nlPlus      : '../static/images/nolines_plus.gif',
    nlMinus      : '../static/images/nolines_minus.gif'
  };
  this.obj = objName;
  this.aNodes = [];
  this.aIndent = [];
  this.root = new Node(-1);
  this.selectedNode = null;
  this.selectedFound = false;
  this.completed = false;
};

// Adds a new node to the node array
dTree.prototype.add = function(id, pid, name, url, title, target, icon, iconOpen, open) {
  this.aNodes[this.aNodes.length] = new Node(id, pid, name, url, title, target, icon, iconOpen, 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 = '\n';
  if (document.getElementById) {
    if (this.config.useCookies) this.selectedNode = this.getSelected();
    str += this.addNode(this.root);
  } else str += 'Browser not supported.';
  str += '';
  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';
  }
  if (node.url) {
    str += '';
  str += node.name;
  if (node.url || ((!this.config.folderLinks || !node.url) && node._hc)) str += '';
  str += '

';
  if (node._hc) {
    str += '';
    str += this.addNode(node);
    str += '';
  }
  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';
    (node._ls) ? this.aIndent.push(0) : this.aIndent.push(1);
    if (node._hc) {
      str += '';
    } else str += '';
  }
  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