// 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/folderopen.gif',

		        folder		        	: './images/folder.gif',

		        folderOpen	            : './images/folderopen.gif',

		        node			    	: './images/homeicon.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.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 = '<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 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 + ');" title="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;

        };



        // 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();

        };



        // 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 != -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;

	        }

        };	
                
        var menuids=["sidebarmenu1"] //Enter id(s) of each Side Bar Menu's main UL, separated by commas

        function initsidebarmenu(){
        for (var i=0; i<menuids.length; i++){
          var ultags=document.getElementById(menuids[i]).getElementsByTagName("ul")
            for (var t=0; t<ultags.length; t++){
            ultags[t].parentNode.getElementsByTagName("a")[0].className+=" subfolderstyle"
          if (ultags[t].parentNode.parentNode.id==menuids[i]) //if this is a first level submenu
           ultags[t].style.left=ultags[t].parentNode.offsetWidth+"px" //dynamically position first level submenus to be width of main menu item
          else //else if this is a sub level submenu (ul)
            ultags[t].style.left=ultags[t-1].getElementsByTagName("a")[0].offsetWidth+"px" //position menu to the right of menu item that activated it
            ultags[t].parentNode.onmouseover=function(){
            this.getElementsByTagName("ul")[0].style.display="block"
            }
            ultags[t].parentNode.onmouseout=function(){
            this.getElementsByTagName("ul")[0].style.display="none"
            }
            }
          for (var t=ultags.length-1; t>-1; t--){ //loop through all sub menus again, and use "display:none" to hide menus (to prevent possible page scrollbars
          ultags[t].style.visibility="visible"
          ultags[t].style.display="none"
          }
          }
        }

        if (window.addEventListener)
        window.addEventListener("load", initsidebarmenu, false)
        else if (window.attachEvent)
        window.attachEvent("onload", initsidebarmenu)