/*--------------------------------------------------|
| dTree 2.05 | www.destroydrop.com/javascript/tree/ |
|---------------------------------------------------|
| Copyright (c) 2002-2003 Geir Landrö               |
|                                                   |
| This script can be used freely as long as all     |
| copyright messages are intact.                    |
|                                                   |
| Updated: 17.04.2003                               |
|--------------------------------------------------*/

var browser = getBrowser();

var brs;

function getBrowser(obj) {

    var b=new Array("unknown", "unknown", "unknown", "unknown");

    brs=navigator.userAgent.toLowerCase();

    if (brs.search(/omniweb[\/\s]v?(\d+([\.-]\d)*)/) != -1) {
    // Omniweb
        b[0]="omniweb";
        b[1]=brs.match(/omniweb[\/\s]v?(\d+([\.-]\d)*)/)[1];
        (b[1] > 4.5 ? b[2]="khtml" : b[2]="omniweb");
        (brs.search(/omniweb[\/\s]((\d+([\.-]\d)*)-)?v(\d+([\.-]\d)*)/) == -1 ? b[3]=brs.match(/omniweb[\/\s](\d+([\.-]\d)*)/)[1] : b[3]=brs.match(/omniweb[\/\s]((\d+([\.-]\d)*)-)?v(\d+([\.-]\d)*)/)[4]);
        return b;
    } else if (brs.search(/opera[\/\s](\d+(\.?\d)*)/) != -1) {
    // Opera
        b[0]="opera";
        b[1]=brs.match(/opera[\/\s](\d+(\.?\d)*)/)[1];
        b[2]="opera";
        b[3]=b[1];
        return b;
    } else if (brs.search(/crazy\s?browser\s(\d+(\.?\d)*)/) != -1) {
    // Crazy Browser
        b[0]="crazy";
        b[1]=brs.match(/crazy\s?browser\s(\d+(\.?\d)*)/)[1];
        b[2]="msie";
        b[3]=getMSIEVersion();
        return b;
    } else if (brs.search(/myie2/) != -1) {
    // MyIE2
        b[0]="myie2";
        b[2]="msie";
        b[3]=brs.match(/msie\s(\d+(\.?\d)*)/)[1];
        return b;
    } else if (brs.search(/netcaptor/) != -1) {
    // NetCaptor
        b[0]="netcaptor";
        b[1]=brs.match(/netcaptor\s(\d+(\.?\d)*)/)[1];
        b[2]="msie";
        b[3]=getMSIEVersion();
        return b;
    } else if (brs.search(/avant\sbrowser/) != -1) {
    // Avant Browser
        b[0]="avantbrowser";
        b[2]="msie";
        b[3]=getMSIEVersion();
        return b;
    } else if (brs.search(/msn\s(\d+(\.?\d)*)/) != -1) {
    // MSN Explorer
        b[0]="msn";
        b[1]=brs.match(/msn\s(\d+(\.?\d)*)/)[1];
        b[2]="msie";
        b[3]=getMSIEVersion();
        return b;
    } else if (brs.search(/msie\s(\d+(\.?\d)*)/) != -1) {
    // MS Internet Explorer
        b[0]="msie";
        b[1]=getMSIEVersion();
        b[2]="msie";
        b[3]=b[1];
        return b;
    } else if (brs.search(/powermarks\/(\d+(\.?\d)*)/) != -1) {
    // PowerMarks
        b[0]="powermarks";
        b[1]=brs.match(/powermarks\/(\d+(\.?\d)*)/)[1];
        b[2]="msie";
        try {
            b[3]=getMSIEVersion();
        } catch (e) { }
        return b;
    } else if (brs.search(/konqueror[\/\s](\d+([\.-]\d)*)/) != -1) {
    // Konqueror
        b[0]="konqueror";
        b[1]=brs.match(/konqueror[\/\s](\d+([\.-]\d)*)/)[1];
        b[2]="khtml";
        return b;
    } else if (brs.search(/safari\/(\d)*/) != -1) {
    // Safari
        b[0]="safari";
        b[1]=brs.match(/safari\/(\d+(\.?\d*)*)/)[1];
        b[2]="khtml";
        b[3]=brs.match(/applewebkit\/(\d+(\.?\d*)*)/)[1];
        return b;
    } else if(brs.search(/zyborg/) != -1) {
    // Zyborg (SSD)
        b[0]="zyborg";
        b[1]=brs.match(/zyborg\/(\d+(\.?\d)*)/)[1];
        b[2]="robot";
        b[3]="-1"
        return b;
    } else if (brs.search(/netscape6[\/\s](\d+([\.-]\d)*)/) != -1) {
    // Netscape 6.x
        b[0]="netscape";
        b[1]=brs.match(/netscape6[\/\s](\d+([\.-]\d)*)/)[1];
        b[2]="gecko";
        b[3]=getGeckoVersion();
        return b;
    } else if (brs.search(/netscape\/(7\.\d*)/) != -1) {
    // Netscape 7.x
        b[0]="netscape";
        b[1]=brs.match(/netscape\/(7\.\d*)/)[1];
        b[2]="gecko";
        b[3]=getGeckoVersion();
        return b;
    } else if (brs.search(/galeon[\/\s](\d+([\.-]\d)*)/) != -1) {
    // Galeon
        b[0]="galeon";
        b[1]=brs.match(/galeon[\/\s](\d+([\.-]\d)*)/)[1];
        b[2]="gecko";
        b[3]=getGeckoVersion();
        return b;
    } else if (brs.search(/nautilus[\/\s](\d+([\.-]\d)*)/) != -1) {
    // Nautilus
        b[0]="nautilus";
        b[1]=brs.match(/nautilus[\/\s](\d+([\.-]\d)*)/)[1];
        b[2]="gecko";
        b[3]=getGeckoVersion();
        return b;
    } else if (brs.search(/firefox[\/\s](\d+([\.-]\d)*)/) != -1) {
    // Firefox
        b[0]="firefox";
        b[1]=brs.match(/firefox[\/\s](\d+([\.-]\d)*)/)[1];
        b[2]="gecko";
        b[3]=getGeckoVersion();
        return b;
    } else if (brs.search(/k-meleon[\/\s](\d+([\.-]\d)*)/) != -1) {
    // K-Meleon
        b[0]="kmeleon";
        b[1]=brs.match(/k-meleon[\/\s](\d+([\.-]\d)*)/)[1];
        b[2]="gecko";
        b[3]=getGeckoVersion();
        return b;
    } else if (brs.search(/playstation\s3/) != -1) {
    // Playstation 3
        b[0]="netfront";
        b[1]="2.81"; // Taken from the Wikipedia article
        b[2]="playstation3"
        b[3]=brs.match(/playstation\s3;\s(\d+\.\d+)/)[1];
        return b;
    } else if (brs.search(/firebird[\/\s](\d+([\.-]\d)*)/) != -1) {
    // Firebird
        b[0]="firebird";
        b[1]=brs.match(/firebird[\/\s](\d+([\.-]\d)*)/)[1];
        b[2]="gecko";
        b[3]=getGeckoVersion();
        return b;
    } else if (brs.search(/phoenix[\/\s](\d+([\.-]\d)*)/) != -1) {
    // Phoenix
        b[0]="phoenix";
        b[1]=brs.match(/phoenix[\/\s](\d+([\.-]\d)*)/)[1];
        b[2]="gecko";
        b[3]=getGeckoVersion();
        return b;
    } else if (brs.search(/camino[\/\s](\d+([\.-]\d)*)/) != -1) {
    // Camino
        b[0]="camino";
        b[1]=brs.match(/camino[\/\s](\d+([\.-]\d)*)/)[1];
        b[2]="gecko";
        b[3]=getGeckoVersion();
        return b;
    } else if (brs.search(/epiphany[\/\s](\d+([\.-]\d)*)/) != -1) {
    // Epiphany
        b[0]="epiphany";
        b[1]=brs.match(/epiphany[\/\s](\d+([\.-]\d)*)/)[1];
        b[2]="gecko";
        b[3]=getGeckoVersion();
        return b;
    } else if (brs.search(/chimera[\/\s](\d+([\.-]\d)*)/) != -1) {
    // Chimera
        b[0]="chimera";
        b[1]=brs.match(/chimera[\/\s](\d+([\.-]\d)*)/)[1];
        b[2]="gecko";
        b[3]=getGeckoVersion();
        return b;
    } else if (brs.search(/icab[\s\/]?(\d+(\.?\d)*)/) !=-1) {
    // iCab
        b[0]="icab";
        b[1]=brs.match(/icab[\s\/]?(\d+(\.?\d)*)/)[1];
        b[2]="icab";
        b[3]=b[1];
        return b;
    } else if (brs.search(/netfront\/(\d+([\._]\d)*)/) != -1) {
    // NetFront
        b[0]="netfront";
        b[1]=brs.match(/netfront\/(\d+([\._]\d)*)/)[1];
        b[2]="netfront";
        b[3]=b[1];
        return b;
    } else if (brs.search(/netscape4\/(\d+([\.-]\d)*)/) != -1) {
    // Netscape 4.x
        b[0]="netscape";
        b[1]=brs.match(/netscape4\/(\d+([\.-]\d)*)/)[1];
        b[2]="mozold";
        b[3]=b[1];
        return b;
    } else if ( (brs.search(/mozilla\/(4.\d*)/) != -1) && (brs.search(/msie\s(\d+(\.?\d)*)/) == -1) ) {
        b[0]="netscape";
        b[1]=brs.match(/mozilla\/(4.\d*)/)[1];
        b[2]="mozold";
        b[3]=b[1];
        return b;
    } else if ((brs.search(/mozilla\/5.0/) != -1) && (brs.search(/gecko\//) != -1)) {
    // Mozilla Seamonkey
        b[0]="mozsea";
        b[1]=brs.match(/rv\x3a(\d+(\.?\d)*)/)[1];
        b[2]="gecko";
        b[3]=getGeckoVersion();
        return b;
    } else if (brs.search(/elinks/) != -1) {
    // ELinks
        b[0]="elinks";
        (brs.search(/elinks\/(\d+(\.?\d)*)/) == -1 ?
        b[1]=brs.match(/elinks\s\x28(\d+(\.?\d)*)/)[1] :
        b[1]=brs.match(/elinks\/(\d+(\.?\d)*)/)[1]);
        b[2]="elinks";
        b[3]=b[1];
        return b;
    } else if (brs.search(/w3m\/(\d+(\.?\d)*)/) != -1) {
    // w3m
        b[0]="w3m"
        b[1]=brs.match(/(^w3m|\sw3m)\/(\d+(\.?\d)*)/)[2];
        b[2]="w3m";
        b[3]=b[1];
        return b;
    } else if (brs.search(/links/) != -1) {
    // Links
        b[0]="links";
        (brs.search(/links\/(\d+(\.?\d)*)/) == -1 ? b[1]=brs.match(/links\s\x28(\d+(\.?\d)*)/)[1] : b[1]=brs.match(/links\/(\d+(\.?\d)*)/)[1]);
        b[2]="links";
        b[3]=b[1];
        return b;
    } else if (brs.search(/java[\/\s]?(\d+([\._]\d)*)/) != -1) {
    // Java (as web-browser)
        b[0]="java";
        b[1]=brs.match(/java[\/\s]?(\d+([\._]\d)*)/)[1];
        b[2]="java";
        b[3]=b[1];
        return b;
    } else if(brs.search(/lynx/) != -1) {
    // Lynx (SSD)
        b[0]="lynx";
        b[1]=brs.match(/lynx\/(\d+(\.?\d)*)/)[1];
        b[2]="libwww-fm";
        b[3]=brs.match(/libwww-fm\/(\d+(\.?\d)*)/)[1];
        return b;
    } else if(brs.search(/dillo/) != -1) {
    // Dillo (SSD)
        b[0]="dillo";
        b[1]=brs.match(/dillo\s*\/*(\d+(\.?\d)*)/)[1];
        b[2]="dillo";
        b[3]=b[1];
        return b;
    } else if(brs.search(/wget/) != -1) {
    // wget (SSD)
        b[0]="wget";
        b[1]=brs.match(/wget\/(\d+(\.?\d)*)/)[1];
        b[2]="robot";
        b[3]="-1"
        return b;
    } else if(brs.search(/googlebot\-image/) != -1) {
    // GoogleBot-Image (SSD)
        b[0]="googlebotimg";
        b[1]=brs.match(/googlebot\-image\/(\d+(\.?\d)*)/)[1];
        b[2]="robot";
        b[3]="-1"
        return b;
    } else if(brs.search(/googlebot/) != -1) {
    // GoogleBot (SSD)
        b[0]="googlebot";
        b[1]=brs.match(/googlebot\/(\d+(\.?\d)*)/)[1];
        b[2]="robot";
        b[3]="-1"
        return b;
    } else if(brs.search(/msnbot/) != -1) {
    // MSNBot (SSD)
        b[0]="msnbot";
        b[1]=brs.match(/msnbot\/(\d+(\.?\d)*)/)[1];
        b[2]="robot";
        b[3]="-1"
        return b;
    } else if(brs.search(/turnitinbot/) != -1) {
    // Turnitin (SSD)
        b[0]="turnitinbot";
        b[1]=brs.match(/turnitinbot\/(\d+(\.?\d)*)/)[1];
        b[2]="robot";
        b[3]="-1"
        return b;
    } else {
        b[0]="unknown";
        return b;
    }
}

// Return Gecko version
function getGeckoVersion() {
    return brs.match(/gecko\/([0-9]+)/)[1];
}

// Return MSIE version
function getMSIEVersion() {
    return brs.match(/msie\s(\d+(\.?\d)*)/)[1];
}


// 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  = 0;
};

// 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,
		width           : 0
	}
	this.icon = {
		root		: '/dtree/img/base.gif',
		folder		: '/dtree/img/folder.gif',
		folderOpen	: '/dtree/img/folderopen.gif',
		node		: '/dtree/img/page.gif',
		empty		: '/dtree/img/empty.gif',
		line		: '/dtree/img/line.gif',
		join		: '/dtree/img/join.gif',
		joinBottom	: '/dtree/img/joinbottom.gif',
		plus		: '/dtree/img/plus.gif',
		plusBottom	: '/dtree/img/plusbottom.gif',
		minus		: '/dtree/img/minus.gif',
		minusBottom	: '/dtree/img/minusbottom.gif',
		nlPlus		: '/dtree/img/nolines_plus.gif',
		nlMinus		: '/dtree/img/nolines_minus.gif'
	};

	this.obj = objName;

	this.aNodes  = new Array();
	this.aIndent = new Array();
	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) {
    try {
       this.aNodes[this.aNodes.length] = new Node(id, pid, name, url, title, target, icon, iconOpen, open);
    } catch (e) {
       alert(e.description);
    }
};

// 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=10240;

	if (this.config.inOrder) n = pNode._ai;
	else                     n = 0;

	for (n=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);

    //
    // Make "truncated..." lables
    // 18         = width of indent images
    // 7          = width of font
    // this.width = width of area to truncate to
    //

    var mar = (this.aIndent.length + 1) * 18;

    var lable = node.name;
    var trunc = false;

    if (((node.name.length * 7) + mar) > this.config.width) {
        lable = node.name.substring(0, ((this.config.width - mar) / 7) - 3)+'...';
        trunc = true;
    }

    // Done making truncated lables

	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">';
    }

    // Attach truncated lables

    if (trunc) {
        if (browser[2] == "msie") {
           str += '<span>'+node.name+'</span>'+lable;
        } else {
	       str += '<span style="margin-left: '+mar+'px">'+node.name+'</span>'+lable;
        }
    } else {
	    str += lable;
    }
    //

	if (node.url || ((!this.config.folderLinks || !node.url) && node._hc)) str += '</a>';

	str += '</div>\n';

	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>\n';
	}

	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;
	}
};