IsRely=true;
function Rely(obj){
if(window.parent.document.getElementById("container").cols=="200,200,*"){
   window.parent.document.getElementById("container").cols="0,250,*";
   obj.src="images/openmenu.gif";
}
else if(window.parent.document.getElementById("container").cols=="0,250,*"){
   window.parent.document.getElementById("container").cols="200,200,*";
   obj.src="images/closemenu.gif";
}
else if(window.parent.document.getElementById("container").cols=="200,180,*"){
   window.parent.document.getElementById("container").cols="0,251,*";
   obj.src="images/openmenu.gif";
}
else if(window.parent.document.getElementById("container").cols=="0,251,*"){
   window.parent.document.getElementById("container").cols="200,180,*";
   obj.src="images/closemenu.gif";
}
}

function Node(id, pid, name, hc, 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 = hc || false;
	this._ai = 0;
	this._p;
};

function dTree(objName,targetID,type) {
	this.config = {
		target:null,
		folderLinks:true,
		useSelection:true,
		useLines:true,
		useIcons:true,
		useStatusText:false,
		closeSameLevel:true,
		inOrder:false,
		selectedID:-1,
		openedID:-1
	}
	this.icon = {
		root:'images/base.gif',
		folder:'images/folder.gif',
		folderOpen:'images/folderopen.gif',
		node:'images/page.gif',
		empty:'images/empty.gif',
		line:'images/line.gif',
		join:'images/join.gif',
		joinBottom:'images/joinbottom.gif',
		plus:'images/plus.gif',
		plusBottom:'images/plusbottom.gif',
		minus:'images/minus.gif',
		minusBottom:'images/minusbottom.gif',
		nlPlus:'images/nolines_plus.gif',
		nlMinus:'images/nolines_minus.gif'
	};
	this.obj = objName;
	this.aNodes = [];
	this.aNodesData=[];	//This array save the original data all the time.
	this.targetID=targetID||'dtree';	// Tree will be displayed in this container.
	this.type=type;	// Saves the type of tree  goods/vendor/consumer?
	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, hc, url, title, target, icon, iconOpen, open) {
	this.completed = false;
	this.aNodesData[this.aNodesData.length] = new Node(id, pid, name, hc, url, title, target, icon, iconOpen, open);
};

// Open/close all nodes
dTree.prototype.openAll = function() {
	this.oAll(true);
};
	
dTree.prototype.closeAll = function() {
	this.oAll(false);
};

// get child nodes from web server via AJAX automatically 
// pid : parentID.
var pid=0;
var tree;

// get child nodes from web server via AJAX automatically 
// pid : parentID.

var baseurl=null;
dTree.prototype.getChildren = function(p){
	pid=p;
	var url;
	if (baseurl==null){
	url = "?_action=getchildren&_parentid="+pid;
	}
	else{
	url = baseurl + "_action=getchildren&_parentid="+pid;
	}
	tree=this;
	AjaxRequest(url, null, this.OnGetChildren);
};

dTree.prototype.showCategory = function(url){
window.parent.frames[this.config.target].location=url;
};

dTree.prototype.OnGetChildren = function (responseText){
	var data=eval(responseText);
	for(var i=0;i<data.length;i++){			
		var id=data[i][0];
		var name=data[i][1];
		var hc=data[i][2];
		var url=data[i][3];
		var icon=data[i][4];
		var iconOpen=data[i][5];
		// set different icon for a node, if it has a child set its icon to be a folder image , else default , set to be a file image. And set different link address.
		if(hc>0){
			tree.add(id, pid, name, true, "javascript:"+tree.obj+".showCategory('"+url+"');"+tree.obj+".o2("+tree.aNodesData.length+");","","_self","images/"+icon,"images/"+iconOpen);	
		}else{
			tree.add(id, pid, name, false, url,"",tree.config.target,"images/"+icon,"images/"+iconOpen);
		}
	}
	tree.show();
	if(pid==0){
		if(data.length>1||(data.length==1&&data[0][2]>0)){

if(window.parent.document.getElementById("container")&&IsRely){
if(window.parent.document.getElementById("container").cols=="0,250,*"){
   window.parent.document.getElementById("container").cols="200,200,*";
}
else if(window.parent.document.getElementById("container").cols=="0,251,*"){
   window.parent.document.getElementById("container").cols="200,180,*";
}
else if(window.parent.document.getElementById("container").cols=="0,*"){
   window.parent.document.getElementById("container").cols="200,*";
}
}

                }
		if(tree.config.selectedID>=0){
			for (var n=0; n<tree.aNodes.length; n++) {
				if (tree.aNodes[n].id == tree.config.selectedID) {
					if (tree.aNodes[n]._hc){
					ToClick($("s" + tree.obj + n).parentNode.getElementsByTagName("A")[0]);
					}
					else{
					tree.openTo(tree.config.selectedID,true);
					}
					break;
				}
				if (n==tree.aNodes.length-1)
				{
					var url;
					if (baseurl==null){
					url = "?_action=getlocation&_id="+tree.config.selectedID;
					}
					else{
					url = baseurl + "_action=getlocation&_id="+tree.config.selectedID;
					}
					AjaxRequest(url, null, tree.OnGetLocation);
				}
			}
		}
		else if(tree.config.openedID>=0){
			for (var n=0; n<tree.aNodes.length; n++) {
				if (tree.aNodes[n].id == tree.config.openedID) {
					ToClick($("s" + tree.obj + n));
					break;
				}
				if (n==tree.aNodes.length-1)
				{
					var url;
					if (baseurl==null){
					url = "?_action=getlocation&_id="+tree.config.openedID;
					}
					else{
					url = baseurl + "_action=getlocation&_id="+tree.config.openedID;
					}
					AjaxRequest(url, null, tree.OnGetLocation);
				}
			}
		}
		else{
			if($("s" + tree.obj + "0")){
				ToClick($("s" + tree.obj + "0"));
			}
			else{
				ToClick($("s" + tree.obj + "1"));
			}	
		}
	}
	else if(locationids!=null && locationids.length>locationindex){
		for (var n=0; n<tree.aNodes.length; n++) {
			if (tree.aNodes[n].id == locationids[locationindex]) {
				if (locationids.length-1>locationindex)
				{
					ToClick($("s" + tree.obj + n).parentNode.getElementsByTagName("A")[0]);
				}
				else
				{
					if (tree.config.selectedID>=0)
					{
						if (tree.aNodes[n]._hc){
						ToClick($("s" + tree.obj + n).parentNode.getElementsByTagName("A")[0]);
						}
						else{
						tree.openTo(locationids[locationindex],true);
						}
					}
					else if(tree.config.openedID>=0)
					{
						if (tree.aNodes[n]._hc){
						ToClick($("s" + tree.obj + n));
						}
						else{
						ToClick($("s" + tree.obj + n));
						tree.openTo(locationids[locationindex],true);
						}
					}
				}
				break;
			}
		}
		++locationindex;
	}
	else if(pid!=null){
		tree.openTo(pid,true);
		if (tree.config.selectedID>=0)
		{
			tree.openTo(tree.config.selectedID,true);
		}
		else if(tree.config.openedID>=0)
		{
			tree.openTo(tree.config.openedID,true);
		}
	}
};

var locationids;
var locationindex;
dTree.prototype.OnGetLocation = function (responseText){
locationids=eval(responseText);
if (locationids.length==0){
	ToClick($("s" + tree.obj + 0));
}
else{
	locationindex=1;
	for (var n=0; n<tree.aNodes.length; n++) {
		if (tree.aNodes[n].id == locationids[0]) {
			ToClick($("s" + tree.obj + n).parentNode.getElementsByTagName("A")[0]);
			break;
		}
	}
}
};

// Call to show the tree .
dTree.prototype.show = function(){
	// Renew the two array to save original data.
	this.aNodes=new Array();
	this.aIndent=new Array();
	// Dump original data to aNode array.
	for(var i=0 ; i<this.aNodesData.length ; i++){
		var oneNode=this.aNodesData[i];
		this.aNodes[i]=new Node(oneNode.id,oneNode.pid,oneNode.name,oneNode._hc,oneNode.url,oneNode.title,oneNode.target,oneNode.icon,oneNode.iconOpen,oneNode.open);
	}
	this.rewriteHTML();
};

// Outputs the tree to the page , callled by show()
// Changed by xiaosilent.
dTree.prototype.rewriteHTML = function() {
	var str = '';
	var targetDIV;
	targetDIV=document.getElementById(this.targetID);
	if(!targetDIV){
		alert('dTree can\'t find your specified container to show your tree.\n\n Please check your code!');
		return;
	}
	str += this.addNode(this.root);
	// Disabled by xiaosilent.
	//	str += '</div>';
	if (!this.selectedFound) this.selectedNode = null;
	this.completed = true;
	// Disabled and added by xiaosilent.
	//return str;
	targetDIV.innerHTML=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 (!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 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 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 + '.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 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 += '<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 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;
};

// 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;
	// Disabled by xiaosilent.
	//if (this.selectedNode != id) {
		if (this.selectedNode || this.selectedNode==0) {
			var eOld = document.getElementById("s" + this.obj + this.selectedNode);
			if (eOld != null){
			eOld.className = "node";
			}
		}
		eNew = document.getElementById("s" + this.obj + id);
		eNew.className = "nodeSel";
		this.selectedNode = id;
	//}
};

// Toggle Open or close
dTree.prototype.o = function(id) {
	var cn = this.aNodes[id];
	if (!cn._io){
		for (var n=0; n<this.aNodes.length; n++) {
			if (this.aNodes[n].pid == cn.id) {
				this.nodeStatus(!cn._io, id, cn._ls);
				break;
			}
			if (n==this.aNodes.length-1){
				this.config.openedID=cn.id;
				this.getChildren(cn.id);
			}
		}
		if (this.config.closeSameLevel){
			this.closeLevel(cn);
		}
	}
	else{
		this.nodeStatus(!cn._io, id, cn._ls);
	}
	cn._io = !cn._io;
};

// Toggle Open or close
dTree.prototype.o2 = function(id) {
	var cn = this.aNodes[id];
	if (!cn._io){
		for (var n=0; n<this.aNodes.length; n++) {
			if (this.aNodes[n].pid == cn.id) {
				this.nodeStatus(!cn._io, id, cn._ls);
				break;
			}
			if (n==this.aNodes.length-1){
				this.config.openedID=cn.id;
				this.getChildren(cn.id);
			}
		}
		cn._io = !cn._io;
		if (this.config.closeSameLevel){
			this.closeLevel(cn);
		}
	}
};

// 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;
		}
	}
};

// 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';
};

// 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;
	}
};