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function navigate(url) {
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	location.href=url;
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}
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// getElementByID with browser check!!
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function getElById(idVal) {
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  if (document.getElementById != null)
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    return document.getElementById(idVal)
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  if (document.all != null)
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    return document.all[idVal]
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  alert("Problem getting element by id")
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  return null
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}
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// Node object
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function Node(id, pid, name, url, title, target, icon, iconOpen, open , checkable ,checked, add, del) {
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	this.id = id;
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	this.pid = pid;
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	this.name = name;
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	this.url = url;
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	this.title = title;
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	this.target = target;
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	this.icon = icon;
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	this.iconOpen = iconOpen;
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	this._io = open || false;
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	this.checkable = checkable || false;
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	this.checked = checked || false;
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	this.add = add || false;
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	this.del = del || false;
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	this._is = false;
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	this._ls = false;
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	this._hc = false;
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	this._ai = 0;
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	this._p;
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};
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// Tree object
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function dTree(objName) {
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	this.config = {
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		target				: null,
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		folderLinks			: true,
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		useSelection		: true,
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		useCookies			: true,
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		useLines			: true,
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		useIcons			: true,
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		useStatusText		: false,
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		closeSameLevel		: false,
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		inOrder				: false
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	}
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	this.icon = {
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		root				: 'tree-images/zone.gif',
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		folder				: 'tree-images/folder.gif',
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		folderOpen			: 'tree-images/folderopen.gif',
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		node				: 'tree-images/page.gif',
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		empty				: 'tree-images/empty.gif',
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		line				: 'tree-images/line.gif',
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		join				: 'tree-images/join.gif',
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		joinBottom			: 'tree-images/joinbottom.gif',
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		plus				: 'tree-images/plus_updown.gif',
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		plusBottom			: 'tree-images/plus_up.gif',
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		minus				: 'tree-images/minus_.gif',
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		minusBottom			: 'tree-images/minus_up.gif',
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		nlPlus				: 'tree-images/plus_.gif',
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		nlMinus				: 'tree-images/minus_.gif'
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	};
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	this.obj = objName;
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	this.aNodes = [];
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	this.aIndent = [];
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	this.root = new Node(-1);
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	this.selectedNode = null;
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	this.selectedFound = false;
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	this.completed = false;
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};
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// Adds a new node to the node array
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dTree.prototype.add = function(id, pid, name, url, title, target, icon, iconOpen, open, checkable, checked, add, del) {
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	this.aNodes[this.aNodes.length] = new Node(id, pid, name, url, title, target, icon, iconOpen, open, checkable, checked, add, del);
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};
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// Open/close all nodes
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dTree.prototype.openAll = function() {
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	this.oAll(true);
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};
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dTree.prototype.closeAll = function() {
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	this.oAll(false);
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};
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// Outputs the tree to the page
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dTree.prototype.toString = function() {
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	var str = '<div class="treeview">\n';
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	if (document.getElementById) {
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		if (this.config.useCookies) this.selectedNode = this.getSelected();
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		str += this.addNode(this.root);
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	} else str += 'Browser not supported.';
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	str += '</div>';
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	if (!this.selectedFound) this.selectedNode = null;
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	this.completed = true;
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	return str;
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};
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// Creates the tree structure
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dTree.prototype.addNode = function(pNode) {
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	var str = '';
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	var n=0;
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	if (this.config.inOrder) n = pNode._ai;
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	for (n; n<this.aNodes.length; n++) {
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		if (this.aNodes[n].pid == pNode.id) {
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			var cn = this.aNodes[n];
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			cn._p = pNode;
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			cn._ai = n;
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			this.setCS(cn);
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			if (!cn.target && this.config.target) cn.target = this.config.target;
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			if (cn._hc && !cn._io && this.config.useCookies) cn._io = this.isOpen(cn.id);
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			if (!this.config.folderLinks && cn._hc) cn.url = null;
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			if (this.config.useSelection && cn.id == this.selectedNode && !this.selectedFound) {
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					cn._is = true;
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					this.selectedNode = n;
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					this.selectedFound = true;
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			}
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			str += this.node(cn, n);
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			if (cn._ls) break;
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		}
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	}
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	return str;
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};
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// Creates the node icon, url and text
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dTree.prototype.node = function(node, nodeId) {
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	var str = '<div class="node" >' + this.indent(node, nodeId);
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	if (this.config.useIcons) {
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		if (!node.icon) node.icon = (this.root.id == node.pid) ? this.icon.root : ((node._hc) ? this.icon.folder : this.icon.node);
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		if (!node.iconOpen) node.iconOpen = (node._hc) ? this.icon.folderOpen : this.icon.node;
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		if (this.root.id == node.pid) {
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			node.icon = this.icon.root;
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			node.iconOpen = this.icon.root;
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		}
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		//class="img"  border="10" vspace="18" align="bottom" style="border:0px; margin:0; padding:0; FILTER: progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=50); -moz-opacity:0.5" 
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		str += '<img  style="border:0; margin:0; padding:0; height:16px; vertical-align:top; overflow:hidden;"  id="i' + this.obj + nodeId + '" src="' + ((node._io) ? node.iconOpen : node.icon) + '" alt="" />';
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		if (node.checkable) {
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			str += '<input style="border:0; margin:0; padding:0; height:16px; vertical-align:top; overflow:hidden; FILTER: progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=50); " type="checkbox" id="c' + this.obj + node.id + '" onclick="javascript : ' + this.obj + '.c(' + node.id + ');"';
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			if (node.checked) str += ' checked >'; else str += ' >';
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		}//else str+='';
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	}
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	if (node.url) {
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		str += '<a id="s' + this.obj + nodeId + '" class="' + ((this.config.useSelection) ? ((node._is ? 'nodeSel' : 'node')) : 'node') + '" href="javascript:navigate(\'' + node.url + '\')"';
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		if (node.title) str += ' title="' + node.title + '"';
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		//if (node.target) str += ' target="' + node.target + ';"';
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		if (this.config.useStatusText) str += ' onmouseover="window.status=\'' + node.name + '\';return true;" onmouseout="window.status=\'\';return true;" ';
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		if (this.config.useSelection && ((node._hc && this.config.folderLinks) || !node._hc))
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			str += ' onclick="javascript: ' + this.obj + '.s(' + nodeId + ');"';
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		str += '>';
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	}
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	else if ((!this.config.folderLinks || !node.url) && node._hc && node.pid != this.root.id)
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		str += '<a style="border:0; margin:0; padding:0; text-size: smaller; vertical-align: top; overflow:hidden;"  href="javascript: ' + this.obj + '.o(' + nodeId + ');" class="node">';
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	str += '  '+node.name;
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	if (node.url || ((!this.config.folderLinks || !node.url) && node._hc)) str += '</a>';
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	if (node.add && node.url) {
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		str += '   -- <a href="' + node.url + '&qaction=addsub"/> <img  style="border:0; margin:0; padding:0;  width: 16px; height:16px; vertical-align: top; overflow:hidden;"  id="i' + this.obj + nodeId + '" src="images/plus.gif" alt="" /></a>';
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	}
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	if (node.del && node.url) {
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		str += '    <a href="' + node.url + '&qaction=delete"/>  <img  style="border:0; margin:0; padding:0; width: 11px; height:11px; vertical-align: top; overflow:hidden;"  id="i' + this.obj + nodeId + '" src="images/block.gif" alt="" /></a>';
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	}
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	if (node._hc) {
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		str += '<div id="d' + this.obj + nodeId + '" class="clip" style="display:' + ((this.root.id == node.pid || node._io) ? 'block' : 'none') + ';">';
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		str += this.addNode(node);
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		str += '</div>';
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	}
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	str += '</div>';
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	this.aIndent.pop();
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	return str;
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};
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// Adds the empty and line icons
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dTree.prototype.indent = function(node, nodeId) {
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	var str = '';
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	if (this.root.id != node.pid) {
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		for (var n=0; n<this.aIndent.length; n++)
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			str += '<img  style="verical-align: top;" src="' + ( (this.aIndent[n] == 1 && this.config.useLines) ? this.icon.line : this.icon.empty ) + '" alt="" />';
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		(node._ls) ? this.aIndent.push(0) : this.aIndent.push(1);
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		if (node._hc) {
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			str += '<a href="javascript: ' + this.obj + '.o(' + nodeId + ');"><img id="j' + this.obj + nodeId + '" src="';
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			if (!this.config.useLines) str += (node._io) ? this.icon.nlMinus : this.icon.nlPlus;
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			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 ) );
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			str += '" alt="" /></a>';
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		} else str += '<img src="' + ( (this.config.useLines) ? ((node._ls) ? this.icon.joinBottom : this.icon.join ) : this.icon.empty) + '" alt="" />';
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	}
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	return str;
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};
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// Checks if a node has any children and if it is the last sibling
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dTree.prototype.setCS = function(node) {
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	var lastId;
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	for (var n=0; n<this.aNodes.length; n++) {
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		if (this.aNodes[n].pid == node.id) node._hc = true;
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		if (this.aNodes[n].pid == node.pid) lastId = this.aNodes[n].id;
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	}
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	if (lastId==node.id) node._ls = true;
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};
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// Returns the selected node
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dTree.prototype.getSelected = function() {
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	var sn = this.getCookie('cs' + this.obj);
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	return (sn) ? sn : null;
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};
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// Highlights the selected node
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dTree.prototype.s = function(id) {
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	if (!this.config.useSelection) return;
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	var cn = this.aNodes[id];
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	if (cn._hc && !this.config.folderLinks) return;
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	if (this.selectedNode != id) {
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		if (this.selectedNode || this.selectedNode==0) {
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			eOld = document.getElementById("s" + this.obj + this.selectedNode);
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			eOld.className = "node";
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		}
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		eNew = document.getElementById("s" + this.obj + id);
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		eNew.className = "nodeSel";
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		this.selectedNode = id;
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		if (this.config.useCookies) this.setCookie('cs' + this.obj, cn.id);
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	}
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};
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// Checks all parents
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dTree.prototype.c = function(id) {
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	//alert('callid='+id);
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	var n=0;
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	var parent;
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	parent = document.getElementById("c" + this.obj + id);
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	//if (parent.checked==true) parent.checked=false; else parent.checked=true;
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	var what = parent.checked;
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	for (n; n<this.aNodes.length; n++) {
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		if (this.aNodes[n].pid == id) {
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			var cn = this.aNodes[n];
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			element = document.getElementById("c" + this.obj + cn.id);
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			element.checked = what;
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			cn.checked = what;
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			//alert(cn.pid+'(child)==(parent)'+id+'->'+cn.id+'='+what+','+this.aNodes.length );
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			this.c(cn.id);
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		}
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	}
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};
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dTree.prototype.generate_checkedlist = function(id) {
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	var retStr='';
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	var n=0;
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	var parent = document.getElementById("c" + this.obj + id);
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	for (n; n<this.aNodes.length; n++) {
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		if (this.aNodes[n].pid == id) {
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			var cn = this.aNodes[n];
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			var element = document.getElementById("c" + this.obj + cn.id);
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			//alert(cn.name + ' = ' +element.checked);
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			if (element.checked) {
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				if (retStr == '') 
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					{retStr = cn.name; }// this.generate_checkedlist(cn.id); 
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				else
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					retStr += ',' + cn.name;//this.generate_checkedlist(cn.id);
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			}
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			//alert(cn.pid+'(child)==(parent)'+id+'->'+cn.id+'='+what+','+this.aNodes.length );
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		}
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	}
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	return retStr;
489
}
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// Toggle Open or close
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dTree.prototype.o = function(id) {
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	var cn = this.aNodes[id];
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	this.nodeStatus(!cn._io, id, cn._ls);
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	cn._io = !cn._io;
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	if (this.config.closeSameLevel) this.closeLevel(cn);
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	if (this.config.useCookies) this.updateCookie();
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};
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// Open or close all nodes
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dTree.prototype.oAll = function(status) {
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	for (var n=0; n<this.aNodes.length; n++) {
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		if (this.aNodes[n]._hc && this.aNodes[n].pid != this.root.id) {
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			this.nodeStatus(status, n, this.aNodes[n]._ls)
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			this.aNodes[n]._io = status;
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		}
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	}
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	if (this.config.useCookies) this.updateCookie();
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};
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// Opens the tree to a specific node
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dTree.prototype.openTo = function(nId, bSelect, bFirst) {
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	if (!bFirst) {
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		for (var n=0; n<this.aNodes.length; n++) {
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			if (this.aNodes[n].id == nId) {
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				nId=n;
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				break;
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			}
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		}
548
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	}
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	var cn=this.aNodes[nId];
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	if (cn.pid==this.root.id || !cn._p) return;
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	cn._io = true;
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	cn._is = bSelect;
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	if (this.completed && cn._hc) this.nodeStatus(true, cn._ai, cn._ls);
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	if (this.completed && bSelect) this.s(cn._ai);
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	else if (bSelect) this._sn=cn._ai;
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	this.openTo(cn._p._ai, false, true);
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};
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// Closes all nodes on the same level as certain node
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dTree.prototype.closeLevel = function(node) {
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	for (var n=0; n<this.aNodes.length; n++) {
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		if (this.aNodes[n].pid == node.pid && this.aNodes[n].id != node.id && this.aNodes[n]._hc) {
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			this.nodeStatus(false, n, this.aNodes[n]._ls);
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			this.aNodes[n]._io = false;
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			this.closeAllChildren(this.aNodes[n]);
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		}
586
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	}
588
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}
590
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// Closes all children of a node
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dTree.prototype.closeAllChildren = function(node) {
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	for (var n=0; n<this.aNodes.length; n++) {
598
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		if (this.aNodes[n].pid == node.id && this.aNodes[n]._hc) {
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			if (this.aNodes[n]._io) this.nodeStatus(false, n, this.aNodes[n]._ls);
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			this.aNodes[n]._io = false;
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			this.closeAllChildren(this.aNodes[n]);		
606
607
		}
608
609
	}
610
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}
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// Change the status of a node(open or closed)
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dTree.prototype.nodeStatus = function(status, id, bottom) {
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619
	eDiv	= document.getElementById('d' + this.obj + id);
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	eJoin	= document.getElementById('j' + this.obj + id);
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623
	if (this.config.useIcons) {
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		eIcon	= document.getElementById('i' + this.obj + id);
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		eIcon.src = (status) ? this.aNodes[id].iconOpen : this.aNodes[id].icon;
628
629
	}
630
631
	eJoin.src = (this.config.useLines)?
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	((status)?((bottom)?this.icon.minusBottom:this.icon.minus):((bottom)?this.icon.plusBottom:this.icon.plus)):
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	((status)?this.icon.nlMinus:this.icon.nlPlus);
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	eDiv.style.display = (status) ? 'block': 'none';
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};
640
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642
643
644
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// [Cookie] Clears a cookie
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dTree.prototype.clearCookie = function() {
648
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	var now = new Date();
650
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	var yesterday = new Date(now.getTime() - 1000 * 60 * 60 * 24);
652
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	this.setCookie('co'+this.obj, 'cookieValue', yesterday);
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	this.setCookie('cs'+this.obj, 'cookieValue', yesterday);
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};
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// [Cookie] Sets value in a cookie
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dTree.prototype.setCookie = function(cookieName, cookieValue, expires, path, domain, secure) {
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	document.cookie =
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		escape(cookieName) + '=' + escape(cookieValue)
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669
		+ (expires ? '; expires=' + expires.toGMTString() : '')
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		+ (path ? '; path=' + path : '')
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673
		+ (domain ? '; domain=' + domain : '')
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675
		+ (secure ? '; secure' : '');
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677
};
678
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// [Cookie] Gets a value from a cookie
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683
dTree.prototype.getCookie = function(cookieName) {
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685
	var cookieValue = '';
686
687
	var posName = document.cookie.indexOf(escape(cookieName) + '=');
688
689
	if (posName != -1) {
690
691
		var posValue = posName + (escape(cookieName) + '=').length;
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		var endPos = document.cookie.indexOf(';', posValue);
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		if (endPos != -1) cookieValue = unescape(document.cookie.substring(posValue, endPos));
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		else cookieValue = unescape(document.cookie.substring(posValue));
698
699
	}
700
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	return (cookieValue);
702
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};
704
705
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// [Cookie] Returns ids of open nodes as a string
708
709
dTree.prototype.updateCookie = function() {
710
711
	var str = '';
712
713
	for (var n=0; n<this.aNodes.length; n++) {
714
715
		if (this.aNodes[n]._io && this.aNodes[n].pid != this.root.id) {
716
717
			if (str) str += '.';
718
719
			str += this.aNodes[n].id;
720
721
		}
722
723
	}
724
725
	this.setCookie('co' + this.obj, str);
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};
728
729
730
731
// [Cookie] Checks if a node id is in a cookie
732
733
dTree.prototype.isOpen = function(id) {
734
735
	var aOpen = this.getCookie('co' + this.obj).split('.');
736
737
	for (var n=0; n<aOpen.length; n++)
738
739
		if (aOpen[n] == id) return true;
740
741
	return false;
742
743
};
744
745
746
747
// If Push and pop is not implemented by the browser
748
749
if (!Array.prototype.push) {
750
751
	Array.prototype.push = function array_push() {
752
753
		for(var i=0;i<arguments.length;i++)
754
755
			this[this.length]=arguments[i];
756
757
		return this.length;
758
759
	}
760
761
};
762
763
if (!Array.prototype.pop) {
764
765
	Array.prototype.pop = function array_pop() {
766
767
		lastElement = this[this.length-1];
768
769
		this.length = Math.max(this.length-1,0);
770
771
		return lastElement;
772
773
	}
774
775
};