function Bs_TreeElement() 
	{
		this.id;
		this.parent;
		this._tree;
		this.caption;
		this.menuid;
		this.menu_level;
		this.url;
		this.target;
		this.extlink;
		this.created;
		this.isParent;
		this.tooltip;
		this.linkStyle;
		this.linkTitle;
		this.linkStatus;
		this.divStyle;
		this.onClick;
		this.isOpen = true;
		this.visible = true;
		this.isChecked = 0;
		this.checkboxName;
		this.radioButtonSelected;
		this._checkboxObject;
		this._level = 0;
		this._children = new Array;
		this._undoneChildren;
		this._unloadedChildren;
		this._checkedForChildren = false;
		
		this.hasUnloadedChildren = function()
		{
			if (!this._tree.hasNodeLoader()) 
				return 0;
			if (typeof(this._unloadedChildren) == 'boolean') 
				return (this._unloadedChildren) ? 2 : 0;
			return 1;
		}
		
		this.hasUninitializedChildren = function()
		{
			if (typeof(this._undoneChildren) == 'undefined') 
				return false;
			return (this._undoneChildren.length > 0);
		}
		
		this.imageDir;
		this.imageHeight;
		this.icon;
		this.beforeIconSpan;
		this.beforeCaptionSpan;
		this.afterCaptionSpan;
		this.dataContainer;
		this._attachedEvents;
		this._isOutrendered = false;
		this._isLoaded = true;
		this._errorArray;
		
		this.getThis = function()
		{
			return this;
		}
		
		this.getDhtmlCompatibleId = function()
		{
			return this.id;
			if (typeof(this._id_md5) != 'undefined') 
				return this._id_md5;
			this._id_md5 = MD5(this.id);
			return this._id_md5;
		}
		
		this.addChild = function(treeElement, renderChild)
		{
			if (typeof(renderChild) == 'undefined') 
				renderChild = true;
			treeElement.parent = this;
			if (typeof(this._children) != 'object') 
				this._children = new Array;
			if (this._children.push){
				this._children.push(treeElement);
			} else {
				this._children[this._children.length] = treeElement;
			}
			treeElement._level = this._level +1;
			this._updateLevelAndParent(treeElement);
			this._tree._clearingHouse[treeElement.id] = treeElement;
			if (this._isOutrendered && renderChild) {
				this.render(false, true);
			}
		}
		
		this.addChildByArray = function(elementData, renderChild)
		{
			var treeElement = this._tree._createTreeElement(elementData, this._level+1);
			this.addChild(treeElement, renderChild);
			return treeElement;
		}
		
		this.addChildrenByArray = function(childrenArray, renderChildren)
		{
			for (var i=0; i<childrenArray.length; i++){
				var e = this._tree._createTreeElement(childrenArray[i], this._level+1);
				if (e == false){
					return false;
				}
				this.addChild(e, renderChildren);
			}
			return true;
		}
		
		this.isChild = function(elementId, bubble)
		{
			for (var i=0, n=this._children.length; i<n; i++){
				if (this._children[i].id == elementId) 
					return true;
				if (bubble){
					if (this._children[i].isChild(elementId, true))
						return true;
				}
			}
			return false;
		}
		
		this.setCaption = function(caption)
		{
			this.caption = caption;
			if (this._isOutrendered){
				var span = document.getElementById(this._tree._objectId + '_e_' + this.getDhtmlCompatibleId() + '_caption2');
				if (span) span.innerHTML = caption;
			}
		}
		
		this.render = function(omitDivTags, putIntoPage, lookAhead)
		{
			if (typeof(this._tree.stopWatch) == 'object') 
				this._tree.stopWatch.takeTime('Bs_TreeElement.render() for id: ' + this.id + ' in level: ' + this._level);
				
				if (((this._level) == 0) && (!this._tree.showPseudoElement) && this._tree.hasNodeLoader() && !this._checkedForChildren){
					this._tree.loadNodeChildrenFromServer(this.id);
					return false;
				}
				
				if (typeof(lookAhead) == 'undefined'){
					lookAhead = this._tree.lookAhead;
				}
				
				if ((this._tree._pseudoElement == this) && !this._tree.showPseudoElement && (lookAhead != -1)){
					lookAhead++;
				}
				
				var imageDir    = url_of_img+'/_default/menu/';
				var imageHeight = this._getVar('imageHeight');
				var out      = new Array();
				var outI     = 0;
				var evalStr  = '';
				
				var divTagStart  = '<span id="' + this._tree._objectId + '_e_' + this.getDhtmlCompatibleId() + '"';
				divTagStart 	+= ' style="';
				if (!this.visible){
					divTagStart += 'display:none;';
				}
				
				divTagStart 	+= '">';
				
				if ((this._level) > 0 || (this._tree.showPseudoElement)){
					out[outI++] = '<nobr>';
					out[outI++] = '<div style="float:none;"';out[outI++] = ' id="' + this._tree._objectId + '_e_' + this.getDhtmlCompatibleId() + '_drag"';
					if (this._tree.draggable){
						out[outI++] = ' onDragStart="Bs_Objects['+this._tree._id+'].executeOnElement(\'' + this.id + '\', \'fireEvent\', Array(\'onDragStart\'));"';
						out[outI++] = ' onDragEnter="Bs_Objects['+this._tree._id+'].executeOnElement(\'' + this.id + '\', \'fireEvent\', Array(\'onDragEnter\'));"';
						out[outI++] = ' onDragOver="Bs_Objects['+this._tree._id+'].executeOnElement(\'' + this.id + '\', \'fireEvent\', Array(\'onDragOver\'));"';
						out[outI++] = ' onDrop="Bs_Objects['+this._tree._id+'].executeOnElement(\'' + this.id + '\', \'fireEvent\', Array(\'onDrop\'));"';
					}
					
					out[outI++] = '>';
					out[outI++] = '<div style="overflow:visible; height:' + imageHeight + '; ' + this._getVar('divStyle') + '">';
					
					var level = this._level;
					if (!this._tree.showPseudoElement) --level;
					var obj = this;
					var outTemp = '';
					for (var i=0; i<level; i++){
						obj = obj.parent;
						if (obj.hasSiblingsDown(true)){
							var img = 'line1';
						} else {
							var img = 'empty';
						}
						
						outTemp = '<img src="' + imageDir + img + '.gif" height="' + imageHeight + '" border="0" align="top">' + outTemp;
					}
					out[outI++] = outTemp;
					
					if (this.hasSiblingsDown()){
						var imgNumber = 3;
					} else {
						var imgNumber = 2;
					}
					
					if (this.hasVisibleChildren()) {
						if ((this._level == 0) || (!this._tree.showPseudoElement && (this._level == 1) && ((this._tree.useAutoSequence && (this.id == 1)) || (!this._tree.useAutoSequence && true)))) {
							if (this.hasSiblingsDown()) {
								imgNumber++;
							} else {
								imgNumber--;
							}
						}
						
						if (this.isOpen) {
							var plusImg = 'minus' + imgNumber;
							var onClick = 'Close';
						} else {
							var plusImg = 'plus' + imgNumber;
							var onClick = 'Open';
						}
					} else {
						var plusImg = 'line' + imgNumber;
						var onClick = false;
					}
					
					if (onClick) {
						var onClickStr = 'onClick="Bs_Objects['+this._tree._id+'].elementToggleOpenClose(\'' + this.id + '\');"';
					} else {
						var onClickStr = '';
					}
					
					var useClickSpan = false;
					var clickSpanTags = '';
					
					if (this.onClick) {
						useClickSpan = true;
						var onClick = this.onClick;
						onClick = onClick.replace(/__this\.id__/g, this.id); //replace the string __this.id__ with the actual id (int).
						clickSpanTags += ' style="cursor:pointer; cursor:hand;" onClick="' + onClick + '" ';
					}
					
					if (this.hasEventAttached('onContextMenu')) {
						useClickSpan = true;
						clickSpanTags += ' onContextMenu="return Bs_Objects['+this._tree._id+'].executeOnElement(\'' + this.id + '\', \'fireEvent\', Array(\'onContextMenu\'));" ';
					}
					
					if (useClickSpan) {
						out[outI++] = '<span ' + clickSpanTags + '>';
					}
					
					out[outI++] = '<img id="' + this._tree._objectId + '_e_' + this.getDhtmlCompatibleId() + '_openClose" src="' + imageDir + plusImg + '.gif" height="' + imageHeight + '" border="0" ' + onClickStr + ' align="middle"';
					out[outI++] = ' style="vertical-align:' + ((imageHeight > 16) ? 'middle' : 'top') + '">';
					
					if (this.beforeIconSpan) {
						out[outI++] = "<span>" + this.beforeIconSpan + "</span>";
					}
					
					if (this.url) {
						var hRef = '<a href="' + this.url + '"';
						hRef += ' name="' + this._tree._objectId + '_e_' + this.getDhtmlCompatibleId() + '_href"';
						hRef += ' onkeydown="return Bs_Objects['+this._tree._id+'].executeOnElement(\'' + this.id + '\', \'onKeyDown\', Array(event));"';
						
						if (this.target) {
							hRef += ' target="' + this.target + '"';
						}
						
						if (this.tooltip) {
							hRef += ' alt="' + this.tooltip + '"';
							hRef += ' title="' + this.tooltip + '"';
						}
						
						hRef += ' style="'  + this._getVar('linkStyle') + '"';
						
						if (typeof(this.linkTitle)  !== 'undefined') 
							hRef += ' title="'  + this.linkTitle + '"';
						if (typeof(this.linkStatus) !== 'undefined') {
							hRef += ' onmouseover="window.status=\''  + this.linkStatus + '\'; return true;"';
							hRef += ' onmouseout="window.status=\'\';"';
						}
						
						hRef += '>';
					} else {
					
					}
					
					var folderIconId = this._tree._objectId + '_e_' + this.getDhtmlCompatibleId() + '_folder';
					if (this._getVar('useFolderIcon')) {
						
						if (hRef) out[outI++] = hRef;
						
						switch (typeof(this.icon)) {
							case 'undefined':
								if (this._tree.useLeaf && !this.hasChildren()) {
									if (this.extlink) {
										var folderImg = 'leaf_o';
									} else {
										var folderImg = 'leaf_c';
									}
								} else {
									var folderImg = 'folder';
									folderImg += (this.isOpen) ? 'Open' : 'Closed';
								}
								out[outI++] = '<img id="' + folderIconId + '" src="' + imageDir + folderImg + '.gif" height="' + imageHeight + '" border="0" align="top">';
								break;
							case 'bool':
							case 'boolean':
								break;
							case 'string':
								if (this.icon != 'false') {
									out[outI++] = '<img id="' + folderIconId + '" src="';
									if (!this._iconHasPath(this.icon)) out[outI++] = imageDir;
									out[outI++] = this.icon;
									if (!this._iconHasExtension(this.icon)) out[outI++] = '.gif';
									out[outI++] = '" height="' + imageHeight + '" border="0" align="top">';
								}
						}
						
						if (hRef) out[outI++] = '</a>';
					}
					
					if (this.beforeCaptionSpan) {
						out[outI++] = "<span>" + this.beforeCaptionSpan + "</span>";
					}
					
					if (this._tree.useRadioButton) {
						out[outI++] = '<input type="radio"';
						out[outI++] = ' name="' + this._tree.getRadioButtonName() + '"';
						out[outI++] = ' id="' + this._tree.getRadioButtonName() + '_' + this.getDhtmlCompatibleId() + '"';
						out[outI++] = ' value="' + this.id + '"';
						
						if (ie && !moz) {
							out[outI++] = ' style="height:16px;"';
						}
						
						if (this.radioButtonSelected) {
							out[outI++] = ' checked';
						}
						
						if (this._tree._disabled) {
							out[outI++] = ' readonly disabled';
						}
						
						out[outI++] = 'onclick="SetActiveProperties('+ this.menuid + ','+ this.menu_level + ','+this.id+',\''+this.caption+'\',\''+this.isParent+'\'); Bs_Objects['+this._tree._id+'].executeOnElement(\'' + this.id + '\', \'fireEvent\', Array(\'onClickCaption\'));"';
						
						out[outI++] = '>';
					}
					
					if (this._tree.useCheckboxSystem) {
						var cleanedCheckboxName = this._cleanCheckboxName(this.checkboxName);
						var checkboxSpan = cleanedCheckboxName + 'Span';
						var checkboxObj  = cleanedCheckboxName + 'Obj';
						out[outI++] = '&nbsp;<span id="' + checkboxSpan + '">';
						var t = new Bs_Checkbox();
						t.objectName = checkboxObj;
						t.checkboxName = this.checkboxName;
						t.value = this.isChecked;
						
						if (this._tree._disabled) 
							t.disabled = true;
						
						if (this._getVar('checkboxSystemGuiNochange')) {
							t.guiNochange = true;
						}
						
						var chkImagDir = this._getVar('checkboxSystemImgDir');
						
						if (chkImagDir) {
							t.imgDir = chkImagDir;
						} else {
							t.imgDir     = ""; //          /_bsJavascript/components/checkbox/img/win2k_noBorder/
						}
						
						t.imgWidth   = '13';
						t.imgHeight  = '13';
						
						if (this._tree.checkboxSystemWalkTree) {
							t.attachOnClick('Bs_Objects['+this._tree._id+'].elementCheckboxEvent(\'' + this.id + '\', ' + checkboxObj + '.value);');
						}
						
						eval(checkboxObj + ' = t;');
						this._checkboxObject = t;
						evalStr += checkboxObj + ".draw('" + checkboxSpan + "');";
						out[outI++] = '</span>';
					}
					
					out[outI++] = '&nbsp;';
					out[outI++] = '<span id="' + this._tree._objectId + '_e_' + this.getDhtmlCompatibleId() + '_caption"';
					
					if (this.onClick || this.hasEventAttached('onClickCaption')) {
						if (this.created == false || typeof(this.created) == "undefined") {
							out[outI++] = ' style="cursor:pointer; cursor:hand;"';
						} else {
							out[outI++] = ' style="cursor:pointer; cursor:hand; background-color:'+this._getVar('captionBgCreatedColor')+';"';
						}
					} else {
						if (this.created == false || typeof(this.created) == "undefined") {
							out[outI++] = ' style="cursor:default;"';
						} else {
							out[outI++] = ' style="cursor:default; background-color:'+this._getVar('captionBgCreatedColor')+';"';
						}
					}
					
					out[outI++] = ' onclick="SetActiveProperties('+ this.menuid + ','+ this.menu_level + ','+this.id+',\''+this.caption+'\',\''+this.isParent+'\'); Bs_Objects['+this._tree._id+'].executeOnElement(\'' + this.id + '\', \'fireEvent\', Array(\'onClickCaption\'));"';
					out[outI++] = '>';
					
					if (hRef) out[outI++] = hRef;
					
					out[outI++] = '<span';
					
					if (!this.url) {
						out[outI++] = ' tabindex="0"';
						out[outI++] = ' onkeydown="return Bs_Objects['+this._tree._id+'].executeOnElement(\'' + this.id + '\', \'onKeyDown\', Array(event));"';
					}
					
					out[outI++] = ' id="' + this._tree._objectId + '_e_' + this.getDhtmlCompatibleId() + '_caption2"><input type="hidden" name="hidPageCreated'+this.id+'" id="hidPageCreated'+this.id+'" value="'+this.created+'"><input type="hidden" name="hidisParent'+this.id+'" id="hidisParent'+this.id+'" value="'+this.isParent+'">';
					out[outI++] = '&nbsp;'+this.caption+'&nbsp;';
					out[outI++] = '</span>';

					if (hRef) 
						out[outI++] = '</a>';
					out[outI++] = '</span>';
					
					if (useClickSpan) {
						out[outI++] = '</span>';
					}
					out[outI++] = '</div>';
					
					if (this.afterCaptionSpan) {
						out[outI++] = '<div style="overflow:visible;">' + this.afterCaptionSpan + '</div>';
					} else {
					}
					
					out[outI++] = '</div>';
					out[outI++] = '</nobr>';
				}
				
				out[outI++] = '<span id="' + this._tree._objectId + '_e_' + this.getDhtmlCompatibleId() + '_children"';
				
				if (!this.isOpen) {
					out[outI++] = ' style="display:none;"';
				}
				
				out[outI++] = '>';
				
				if (this.isOpen || (lookAhead > 0) || (lookAhead == -1)) {
					if (this.hasUnloadedChildren()) {
						this._tree.loadNodeChildrenFromServer(this.id);
					} else {
						for (var i=0, n=this._children.length; i<n; i++) {
							
							if (lookAhead == -1) {
								var newLookAhead = -1;
							} else {
								if (this.isOpen) {
									var newLookAhead = lookAhead;
								} else {
									var newLookAhead = lookAhead -1;
								}
							}
							
							if (false) {
								this._tree._workStack[this._tree._workStack.length] = 'Bs_Objects['+this._tree._id+'].executeOnElement(\'' + this._children[i].id + '\', \'render\', Array(false,true,'+newLookAhead+'));';
							} else {
								var t = this._children[i].render(false, false, newLookAhead);
								out[outI++] = t[0];
								evalStr    += t[1];
							}
						}
					}
				}
				
				out[outI++] = '</span>';
				divTagEnd = '</span>';
				this._isOutrendered = true;
				var content = new Array(out.join(''), evalStr);
				
				if (putIntoPage) {
					var addNotReplace = false;
					var doc = document.getElementById(this._tree._objectId + '_e_' + this.getDhtmlCompatibleId());
					
					if ((doc == null) && (typeof(this.parent) != 'undefined')) {
						addNotReplace = true;
						content[0] = divTagStart + content[0] + divTagEnd;
						var doc = document.getElementById(this._tree._objectId + '_e_' + this.parent.getDhtmlCompatibleId() + '_children');
					}
					
					if (doc != null) {
						
						if (addNotReplace) {
							doc.innerHTML += content[0];
						} else {
							doc.innerHTML = content[0];
						}
						
						if (content[1] != '') {
							eval(content[1]);
						}
						
						return true;
					} else {
						return false;
					}
					
				} else {
					
					if (!omitDivTags) {
						content[0] = divTagStart + content[0] + divTagEnd;
					}
					return content;
				}
			}
			
			this.renderSimple = function(omitDivTags, putIntoPage, lookAhead) {
				if (typeof(this._tree.stopWatch) == 'object') 
					this._tree.stopWatch.takeTime('Bs_TreeElement.renderSimple() for id: ' + this.id + ' in level: ' + this._level);

				if (typeof(lookAhead) == 'undefined') {
					lookAhead = this._tree.lookAhead;
				}
					
				if ((this._tree._pseudoElement == this) && !this._tree.showPseudoElement && (lookAhead != -1)) {
					lookAhead++;
				}
				
				var imageDir    = url_of_img+'/_default/menu/';
				var imageHeight = this._getVar('imageHeight');
				var out      = new Array;
				var outI     = 0;
				var evalStr  = new Array;
				if (!omitDivTags) {
					out[outI++] = '<span id="' + this._tree._objectId + '_e_' + this.getDhtmlCompatibleId() + '"';
					out[outI++] = ' style="';
					
					if (!this.visible) {
						out[outI++] = 'display:none;';
					}
					
					out[outI++] = '">';
				}
				
				if ((this._level) > 0 || (this._tree.showPseudoElement)) {
					
					out[outI++] = '<nobr>';
					out[outI++] = '<div style="float:none;"';
					out[outI++] = ' id="' + this._tree._objectId + '_e_' + this.getDhtmlCompatibleId() + '_drag"';
					out[outI++] = '>';
					out[outI++] = '<div style="overflow:visible; height:' + imageHeight + '; ' + this._getVar('divStyle') + '">';
					
					var level = this._level;
					
					if (!this._tree.showPseudoElement) 
						--level;
					
					var obj = this;
					var outTemp = '';
					
					for (var i=0; i<level; i++) {
						
						obj = obj.parent;
						
						if (obj.hasSiblingsDown(true)) {
							var img = 'line1';
						} else {
							var img = 'empty';
						}
						
						outTemp = '<img src="' + imageDir + img + '.gif" height="' + imageHeight + '" border="0" align="top">' + outTemp;
					}
					
					out[outI++] = outTemp;
					if (this.hasSiblingsDown()) {
						var imgNumber = 3;
					} else {
						var imgNumber = 2;
					}
					
					if (this.hasVisibleChildren()) {
						
						if ((this._level == 0) || (!this._tree.showPseudoElement && (this._level == 1) && ((this._tree.useAutoSequence && (this.id == 1)) || (!this._tree.useAutoSequence && true)))) {
							
							if (this.hasSiblingsDown()) {
								imgNumber++;
							} else {
								imgNumber--;
							}
							
						}
					
						if (this.isOpen) {
							var plusImg = 'minus' + imgNumber;
							var onClick = 'Close';
						} else {
							var plusImg = 'plus' + imgNumber;
							var onClick = 'Open';
						}
					} else {
						var plusImg = 'line' + imgNumber;
						var onClick = false;
					}
					
					if (onClick) {
						var onClickStr = 'onClick="Bs_Objects['+this._tree._id+'].elementToggleOpenClose(\'' + this.id + '\');"';
					} else {
						var onClickStr = '';
					}
					
					out[outI++] = '<img id="' + this._tree._objectId + '_e_' + this.getDhtmlCompatibleId() + '_openClose" src="' + imageDir + plusImg + '.gif" height="' + imageHeight + '" border="0" ' + onClickStr + ' align="middle"';
					out[outI++] = ' style="vertical-align:' + ((imageHeight > 16) ? 'middle' : 'top') + '">';
					
					if (this.url) {
						
						var hRef = '<a href="' + this.url + '"';hRef += ' name="' + this._tree._objectId + '_e_' + this.getDhtmlCompatibleId() + '_href"';
						hRef += ' onkeydown="return Bs_Objects['+this._tree._id+'].executeOnElement(\'' + this.id + '\', \'onKeyDown\', Array(event));"';
						
						if (this.target) {
							hRef += ' target="' + this.target + '"';
						}
						
						hRef += ' style="'  + this._getVar('linkStyle') + '"';
						hRef += '>';
					}
					
					var folderIconId = this._tree._objectId + '_e_' + this.getDhtmlCompatibleId() + '_folder';
					if (this._getVar('useFolderIcon')) {
						
						if (hRef) out[outI++] = hRef;
						
						switch (typeof(this.icon)) {
							case 'undefined':
								if (this._tree.useLeaf && !this.hasChildren()) {
									if (this.extlink) {
										var folderImg = 'leaf_o';
									} else {
										var folderImg = 'leaf_c';
									}
								} else {
									var folderImg = 'folder';
									folderImg += (this.isOpen) ? 'Open' : 'Closed';
								}
								
								out[outI++] = '<img id="' + folderIconId + '" src="' + imageDir + folderImg + '.gif" height="' + imageHeight + '" border="0" align="top">';
								break;
							case 'bool':
							case 'boolean':
								break;
							case 'string':
								if (this.icon != 'false') {
									out[outI++] = '<img id="' + folderIconId + '" src="';
									if (!this._iconHasPath(this.icon)) out[outI++] = imageDir;
									out[outI++] = this.icon;
									if (!this._iconHasExtension(this.icon)) 
										out[outI++] = '.gif';out[outI++] = '" height="' + imageHeight + '" border="0" align="top">';
								}
						}
						
						if (hRef) 
							out[outI++] = '</a>';
					}
					
					out[outI++] = '&nbsp;';
					out[outI++] = '<span id="' + this._tree._objectId + '_e_' + this.getDhtmlCompatibleId() + '_caption"';
					
					if (this.onClick) {
						out[outI++] = ' style="cursor:pointer; cursor:hand;"';
					} else {
						out[outI++] = ' style="cursor:default;"';
					}
					
					out[outI++] = ' onClick="Bs_Objects['+this._tree._id+'].executeOnElement(\'' + this.id + '\', \'fireEvent\', Array(\'onClickCaption\'));">';
					
					if (hRef) 
						out[outI++] = hRef;
					out[outI++] = '<span id="' + this._tree._objectId + '_e_' + this.getDhtmlCompatibleId() + '_caption2">' + this.caption + '</span>';
					
					if (hRef) 
						out[outI++] = '</a>';
					out[outI++] = '</span>';
					out[outI++] = '</div>';
					out[outI++] = '</div>';
					out[outI++] = '</nobr>';
				}
				
				if (typeof(this._tree.stopWatch) == 'object') 
					this._tree.stopWatch.takeTime('Bs_TreeElement.renderSimple() 3');
				
				out[outI++] = '<span id="' + this._tree._objectId + '_e_' + this.getDhtmlCompatibleId() + '_children"';
				
				if (!this.isOpen) {
					out[outI++] = ' style="display:none;"';
				}
				
				out[outI++] = '>';
				if (this.isOpen || (lookAhead > 0) || (lookAhead == -1)) {
					for (var i=0, n=this._children.length; i<n; i++) {
						if (lookAhead == -1) {
							var newLookAhead = -1;
						} else {
							if (this.isOpen) {
								var newLookAhead = lookAhead;
							} else {
								var newLookAhead = lookAhead -1;
							}
						}
						var t = this._children[i].renderSimple(false, false, newLookAhead);
						out[outI++] = t[0];
						evalStr[evalStr.length] = t[1];
					}
				}
				
				out[outI++] = '</span>';
				
				if (!omitDivTags) {
					out[outI++] = '</span>';
				}
				
				out[outI++] = "\n";
				this._isOutrendered = true;
				var content = new Array(out.join(''), evalStr.join(''));
				
				if (putIntoPage) {
					var doc = document.getElementById(this._tree._objectId + '_e_' + this.getDhtmlCompatibleId());
					if (doc != null) {
						doc.innerHTML = content[0];
						if (content[1] != '') {
							eval(content[1]);
						}
						return true;
					} else {
						return false;
					}
				} else {
					return content;
				}
			}
			
			this.reset = function() {
				this.caption           = null;
				this.menuid            = null;
				this.menu_level        = null;
				this.created		       = null;
				this.isParent					 = null;
				this.url               = null;
				this.target            = null;
				this.extlink       		 = null;
				this.tooltip           = null;
				this.onClick           = null;
				this.isOpen            = false;
				this.isChecked         = 0;
				this.checkboxName      = null;
				this.beforeIconSpan    = null;
				this.beforeCaptionSpan = null;
				this.afterCaptionSpan  = null;
				this.linkStyle         = null;
				this.linkTitle         = null;
				this.linkStatus        = null;
				this.divStyle          = null;
			}
			
			this.initByArray = function(a, tree, level) {
				this._tree   = tree;
				this._level  = level;
				
				if (typeof(this._tree.stopWatch) == 'object') 
					this._tree.stopWatch.takeTime('Bs_TreeElement.initByArray()');
				
				if (this._tree.useAutoSequence && (level > 0)) {
					this.id      = ++this._tree._elementSequence;
				} else {
					if (typeof(a['id']) == 'undefined') {
						var err = 'tree error: useAutoSequence is set to false, but for an array element there is no id defined.';
						
						if (typeof(a['caption']) != 'undefined') 
							err += ' (' + a['caption'] + ')';
						alert(err);
						this._addError(err);
						return false;
					}
					this.id = a['id'];
				}
				try {
				if (typeof(a['caption'])             != 'undefined') 
					this.caption             = a['caption'];
				if (typeof(a['menuid'])              != 'undefined') 
					this.menuid              = a['menuid'];	
				if (typeof(a['menu_level'])              != 'undefined') 
					this.menu_level               = a['menu_level'];	
				if (typeof(a['url'])                 != 'undefined') 
					this.url                  = a['url'];
				if (typeof(a['target'])              != 'undefined') 
					this.target               = a['target'];
				if (typeof(a['extlink'])             != 'undefined') 
					this.extlink              = a['extlink'];	
				if (typeof(a['created'])              != 'undefined') 
					this.created              = a['created'];	
				if (typeof(a['isParent'])             != 'undefined') 
					this.isParent             = a['isParent'];		
				if (typeof(a['tooltip'])             != 'undefined') 
					this.tooltip             = a['tooltip'];
				if (typeof(a['isOpen'])              != 'undefined') 
					this.isOpen              = a['isOpen'];
				if (!this._tree.simple) {
					if (typeof(a['linkStyle'])           != 'undefined') 
						this.linkStyle           = a['linkStyle'];
					if (typeof(a['linkTitle'])           != 'undefined') 
						this.linkTitle           = a['linkTitle'];
					if (typeof(a['linkStatus'])          != 'undefined') 
						this.linkStatus          = a['linkStatus'];
					if (typeof(a['divStyle'])            != 'undefined') 
						this.divStyle            = a['divStyle'];
					if (typeof(a['onClick'])             != 'undefined') 
						this.onClick             = a['onClick'];
					if (typeof(a['isChecked'])           != 'undefined') 
						this.isChecked           = parseInt(a['isChecked']);
					if (typeof(a['visible'])             != 'undefined') 
						this.visible             = a['visible'];
					if (typeof(a['icon'])                != 'undefined') 
						this.icon                = a['icon'];
					if (typeof(a['imageDir'])            != 'undefined') 
						this.imageDir            = a['imageDir'];
					if (typeof(a['beforeIconSpan'])      != 'undefined') 
						this.beforeIconSpan      = a['beforeIconSpan'];
					if (typeof(a['beforeCaptionSpan'])   != 'undefined') 
						this.beforeCaptionSpan   = a['beforeCaptionSpan'];
					if (typeof(a['afterCaptionSpan'])    != 'undefined') 
						this.afterCaptionSpan    = a['afterCaptionSpan'];
					if (typeof(a['radioButtonSelected']) != 'undefined') 
						this.radioButtonSelected = a['radioButtonSelected'];
					if (typeof(a['dataContainer'])       != 'undefined') 
						this.dataContainer       = a['dataContainer'];
					
					if (typeof(a['checkboxName']) != 'undefined') {
						this.checkboxName  = a['checkboxName'];
					} else {
						if (this._tree.useCheckboxSystem) {
							this.checkboxName = 'bsTreeChk_' + this._tree._objectId + '_' + this.id;
						}
					}
					
					if (typeof(a['onClickCaption'])    != 'undefined') {
						this.attachEvent('onClickCaption', a['onClickCaption']);
					}
					if (typeof(a['onChangeCheckbox'])    != 'undefined') {
						this.attachEvent('onChangeCheckbox', a['onChangeCheckbox']);
					}
					if (typeof(a['onContextMenu'])    != 'undefined') {
						this.attachEvent('onContextMenu', a['onContextMenu']);
					}
					
					if (typeof(a['events']) != 'undefined') {
						for (ev in a['events']) {
							this.attachEvent(ev, a['events'][ev]);
						}
					}
				}
			} catch (e) {}
				return true;
			}
			
			this.exportAsArray = function(withChildren) {
				var ret = new Array();
				if (typeof(this.id)                       != 'undefined') 
					ret['id']                       = this.id;
				if (typeof(this.menuid)                   != 'undefined') 
					ret['menuid']                   = this.menuid;
				if (typeof(this.menu_level)               != 'undefined') 
					ret['level']                  	= this.menu_level;
				if (typeof(this.caption)                  != 'undefined') 
					ret['caption']                  = this.caption;	
				if (typeof(this.url)                      != 'undefined') 
					ret['url']                      = this.url;
				if (typeof(this.target)                   != 'undefined') 
					ret['target']                   = this.target;
				if (typeof(this.extlink)                   != 'undefined') 
					ret['extlink']                   = this.extlink;	
				if (typeof(this.created)                  != 'undefined') 
					ret['created']                  = this.created;	
				if (typeof(this.isParent)                 != 'undefined') 
					ret['isParent']                  = this.isParent;		
				if (typeof(this.tooltip)                  != 'undefined') 
					ret['tooltip']                  = this.tooltip;
				if (typeof(this.onClick)                  != 'undefined') 
					ret['onClick']                  = this.onClick;
				if (typeof(this.isOpen)                   != 'undefined') 
					ret['isOpen']                   = this.isOpen;
				if (typeof(this.isChecked)                != 'undefined') 
					ret['isChecked']                = this.isChecked;
				if (typeof(this.visible)                  != 'undefined') 
					ret['visible']                  = this.visible;
				if (typeof(this.icon)                     != 'undefined') 
					ret['icon']                     = this.icon;
				if (typeof(this.imageDir)                 != 'undefined') 
					ret['imageDir']                 = this.imageDir;
				if (typeof(this.beforeIconSpan)           != 'undefined') 
					ret['beforeIconSpan']           = this.beforeIconSpan;
				if (typeof(this.afterCaptionSpan)         != 'undefined')
					ret['afterCaptionSpan']         = this.afterCaptionSpan;
				if (typeof(this.radioButtonSelected)      != 'undefined') 
					ret['radioButtonSelected']      = this.radioButtonSelected;
				if (typeof(this.dataContainer)            != 'undefined') 
					ret['dataContainer']            = this.dataContainer;
				if (typeof(this.checkboxName)             != 'undefined') 
					ret['checkboxName']             = this.checkboxName;
				if (typeof(this.beforeCaptionSpan)        != 'undefined') 
					ret['beforeCaptionSpan']        = this.beforeCaptionSpan;
				if (typeof(this.linkStyle)                != 'undefined') 
					ret['linkStyle']                = this.linkStyle;
				if (typeof(this.linkTitle)                != 'undefined') 
					ret['linkTitle']                = this.linkTitle;
				if (typeof(this.linkStatus)               != 'undefined') 
					ret['linkStatus']               = this.linkStatus;
				if (typeof(this.divStyle)                 != 'undefined') 
					ret['divStyle']                 = this.divStyle;
				
				if (withChildren) {
					ret['children'] = new Array();
					for (var i=0; i<this._children.length; i++) {
						ret['children'][ret['children'].length] = this._children[i].exportAsArray(true);
					}
				}
				
				return ret;
			}
			
			this.updateObjectByArray = function(a) {
				this.reset();
				this._isLoaded = true;
				if (a['caption'])            
					this.caption            = a['caption'];
				if (a['menuid'])            
					this.menuid             = a['menuid'];
				if (a['menu_level'])            
					this.menu_level         = a['menu_level'];	
				if (a['url'])                
					this.url                = a['url'];
				if (a['target'])             
					this.target             = a['target'];
				if (a['extlink'])             
					this.extlink            = a['extlink'];	
				if (a['created'])             
					this.created            = a['created'];
				if (a['isParent'])             
					this.isParent           = a['isParent'];		
				if (a['tooltip'])            
					this.tooltip            = a['tooltip'];
				if (a['onClick'])            
					this.onClick            = a['onClick'];
				if (a['isOpen'])             
					this.isOpen             = a['isOpen'];
				if (a['isChecked'])          
					this.isChecked          = a['isChecked'];
				if (a['imageDir'])           
					this.imageDir           = a['imageDir'];
					
				if (a['checkboxName']) {
					this.checkboxName  = a['checkboxName'];
				} else {
					if (this._tree.useCheckboxSystem) {
						this.checkboxName = 'bsTreeCheckbox' + this.id;
					}
				}
				
				if (a['beforeIconSpan'])     
					this.beforeIconSpan     = a['beforeIconSpan'];
				if (a['beforeCaptionSpan'])  
					this.beforeCaptionSpan  = a['beforeCaptionSpan'];
				if (a['afterCaptionSpan'])   
					this.afterCaptionSpan   = a['afterCaptionSpan'];
			}
			
			this.getJavascriptCode = function(varName, recursive) {
				var ret = "";
				if ((this._tree.useAutoSequence && (this.id > 1))|| (!this._tree.useAutoSequence && !this.parent)) {
				
				} else {
					ret += varName + " = new Array();\n";
					if (!this._tree.useAutoSequence) {
						ret += varName + "['id'] = \"" + this.id + "\";\n";
					}
					//alert(this.caption);
					if (this.caption)           
						ret += varName + "['caption']            = \"" + this.caption            + "\";\n";
					if (this.menuid)           
						ret += varName + "['menuid']             = \"" + this.menuid             + "\";\n";
					if (this.menu_level)           
						ret += varName + "['level']              = \"" + this.menu_level         + "\";\n";
					if (this.url)               
						ret += varName + "['url']                = \"" + this.url                + "\";\n";
					if (this.target)            
						ret += varName + "['target']             = \"" + this.target             + "\";\n";
					if (this.extlink)            
						ret += varName + "['extlink']             = \"" + this.extlink             + "\";\n";	
					if (this.created)            
						ret += varName + "['created']            = \"" + this.created            + "\";\n";	
					if (this.isParent)            
						ret += varName + "['isParent']           = \"" + this.isParent           + "\";\n";	
					if (this.tooltip)          
						ret += varName + "['tooltip']            = \"" + this.tooltip            + "\";\n";
					
					if (this.onClick) {
						//var onClick = this.onClick.replace(/'/g,  "\'");
						var onClick = this.onClick.replace(/"/g,  '\"');
						ret += varName + "['onClick']            = \"" + onClick            + "\";\n";
					}
					
					if (this.imageDir)          
						ret += varName + "['imageDir']           = \"" + this.imageDir           + "\";\n";
					if (this.isOpen)            
						ret += varName + "['isOpen']             = '" + this.isOpen              + "';\n";
					if (this.isChecked)         
						ret += varName + "['isChecked']          = '" + this.isChecked           + "';\n";
					if (this.checkboxName)      
						ret += varName + "['checkboxName']       = '" + this.checkboxName        + "';\n";
					if (this.icon)              
						ret += varName + "['icon']               = \"" + this.icon               + "\";\n";
					if (this.beforeIconSpan)    
						ret += varName + "['beforeIconSpan']     = \"" + this.beforeIconSpan     + "\";\n";
					if (this.beforeCaptionSpan) 
						ret += varName + "['beforeCaptionSpan']  = \"" + this.beforeCaptionSpan  + "\";\n";
					if (this.afterCaptionSpan)  
						ret += varName + "['afterCaptionSpan']   = \"" + this.afterCaptionSpan   + "\";\n";
					if (this.linkStyle)         
						ret += varName + "['linkStyle']          = \"" + this.linkStyle          + "\";\n";
					if (this.linkTitle)         
						ret += varName + "['linkTitle']          = \"" + this.linkTitle          + "\";\n";
					if (this.linkStatus)        
						ret += varName + "['linkStatus']         = \"" + this.linkStatus         + "\";\n";
					if (this.divStyle)          
						ret += varName + "['divStyle']           = \"" + this.divStyle           + "\";\n";
						varName += "['children']";
				}
				
				if (recursive) {
					if (this._children.length > 0) {
						ret += varName + " = new Array();\n";
						for (var i=0; i<this._children.length; i++) {
							ret += this._children[i].getJavascriptCode(varName + "[" + i + "]", recursive);
						}
					}
				}
				
				return ret;
			}
			
			this.setActive = function() {
				var activeElement = this._tree.getActiveElement();
				if (activeElement != false) {
					activeElement.unsetActive();
				}
				this._tree.setActiveElement(this);
				this._highlight();
			}
			
			this._highlight = function() {
				var elmSetActive = document.getElementById(this._tree._objectId + '_e_' + this.getDhtmlCompatibleId() + '_caption');
				if (elmSetActive != null) {
						if (this.created == false || typeof(this.created) == "undefined") {
							elmSetActive.style.backgroundColor = this._getVar('captionBgColor');
							document.getElementById('page_created').value  = 'false';
						} else {
							elmSetActive.style.backgroundColor = this._getVar('captionBgCreatedColor');
							document.getElementById('page_created').value  = 'true';
							alert("DegreeC - CMS:\n         The Page you have selected is Already Created, please select another one\!\n         Thank you.");
							UnSetActiveProperties(this.id);
						}
					} else {
					setTimeout("Bs_Objects["+this._tree._id+"].executeOnElement('" + this.id + "', '_highlight');", 800);
				}
			}
			
			this.unsetActive = function() {
				var e = document.getElementById(this._tree._objectId + '_e_' + this.getDhtmlCompatibleId() + '_caption');
				if (e != null) 
					if (this.created == false || typeof(this.created) == "undefined") {
						e.style.backgroundColor = 'transparent';
					}
			}
			
			this.toggleOpenClose = function() {
				if (this.isOpen) {
					if (this.hasEventAttached('onBeforeClose')) {
						var status = this.fireEvent('onBeforeClose');
						if (status != true) 
							return;
					}
					
					this.close();
					if (this.hasEventAttached('onAfterClose')) 
						this.fireEvent('onAfterClose');
				} else {
					if (this.hasEventAttached('onBeforeOpen')) {
						var status = this.fireEvent('onBeforeOpen');
						if (status != true) return;
					}
					
					this.open();
					
					if (this.hasEventAttached('onAfterOpen')) 
					this.fireEvent('onAfterOpen');
				}
				
			}
			
			this.open = function(checkParents) {
				
				if (this.isOpen) return;
				this.isOpen = true;
				
				if (this.hasVisibleChildren()) {
					var lookAhead = this._tree.lookAhead;var doRender  = false;
					for (var i=0; i<this._children.length; i++) {
						if (!this._children[i]._isOutrendered || (this._children[i].hasUnloadedChildren())) {
							doRender = true;
							break;
						}
					}
					
					if (doRender) this.render(true, true, lookAhead);
				}
				
				if (true || !doRender) {
					if (this._isOutrendered) {
						var d = document.getElementById(this._tree._objectId + '_e_' + this.getDhtmlCompatibleId() + '_children');
						if (d) d.style.display = 'block';
						this._switchIconsOnToggleOpenClose();
					} else {
						if (checkParents) {
							this._renderParentsUp();
						}
						this.render(true, true);
					}
					if (this._tree.rememberState) 
						this._tree._updateStateCookie(this.id, 'open', true);
				}
				
				if (this._tree.autoCollapse) {
					var sib = this.getSiblings();
					for (var i=0, n=sib.length; i<n; i++) {
						if (sib[i].id != this.id) {
							sib[i].close();
						}
					}
				}
				
				if (this.hasVisibleChildren()) {
					var lookAhead = this._tree.lookAhead;
					var treeElm     = this;
					for (var j=0, n=treeElm._children.length; j<n; j++) {
						if (typeof(treeElm._children[j]._undoneChildren) == 'object') {
							for (var k=0, kn=treeElm._children[j]._undoneChildren.length; k<kn; k++) {
								var newE = this._tree._createTreeElement(treeElm._children[j]._undoneChildren[k], treeElm._children[j]._level +1);
								treeElm._children[j].addChild(newE);
							}
							
							treeElm._children[j]._undoneChildren = false;
						}
						if (treeElm._children[j].hasVisibleChildren()) {
							var doRender = false;
							for (var k=0, kn=treeElm._children[j]._children.length; k<kn; k++) {
								if (!treeElm._children[j]._children[k]._isOutrendered) {
									var doRender = true;break;
								}
							}
							
							if (doRender) {
								treeElm._children[j].render(true, true, lookAhead);
							}
						}
					}
				}
			}
			
			this._renderParentsUp = function() {
				if (typeof(this.parent) == 'undefined') 
					this.parent._renderParentsUp();
				if (this._isOutrendered) 
					return;
				this.render(true, true);
			}
			
			this.close = function() {
				if (!this.isOpen) return;
				this.isOpen = false;
				if (this._isOutrendered) {
					var d = document.getElementById(this._tree._objectId + '_e_' + this.getDhtmlCompatibleId() + '_children');
					d.style.display = 'none';
					this._switchIconsOnToggleOpenClose();
				} else {
					this.render(true, true);
				}
				if (this._tree.rememberState) 
					this._tree._updateStateCookie(this.id, 'open', false);
			}
			
			this._switchIconsOnToggleOpenClose = function() {
				var openClose = document.getElementById(this._tree._objectId + '_e_' + this.getDhtmlCompatibleId() + '_openClose');
				if (openClose) 
					openClose.src = this._getSourceOpenCloseIcon();
				if (this._getVar('useFolderIcon')) {
					var folderIconId = this._tree._objectId + '_e_' + this.getDhtmlCompatibleId() + '_folder';
					var fIcon = document.getElementById(folderIconId);
					if (fIcon) {
						fIcon.src = this._getSourceFolderIcon();
					}
				}
			}
			
			this.expandAll = function() {
				this.open();
				if (this.hasVisibleChildren()) {
					for (var i=0; i<this._children.length; i++) {
						this._children[i].expandAll();
					}
				}
			}
			
			this.collapseAll = function(closeThis) {
				if (typeof(closeThis) == 'undefined') 
					closeThis = true;
				if (closeThis) 
					this.close();
				if (this.hasVisibleChildren()) {
					for (var i=0; i<this._children.length; i++) {
						this._children[i].collapseAll(true);
					}
				}
			}
			
			this._getSourceOpenCloseIcon = function() {
				if (this.hasSiblingsDown()) {
					var imgNumber = 3;
				} else {
					var imgNumber = 2;
				}
				if (this.hasVisibleChildren()) {
					if ((this._level == 0) || (!this._tree.showPseudoElement && (this._level == 1) && ((this._tree.useAutoSequence && (this.id == 1)) || (!this._tree.useAutoSequence && true)))) {
						if (this.hasSiblingsDown()) {
							imgNumber++;
						} else {
							imgNumber--;
						}
					}
					if (this.isOpen) {
						var plusImg = 'minus' + imgNumber;
						var onClick = 'Close';
					} else {
						var plusImg = 'plus' + imgNumber;
						var onClick = 'Open';
					}
				} else {
					var plusImg = 'line' + imgNumber;
				}
				var imageDir = url_of_img+'/_default/menu/';
				return imageDir + plusImg + '.gif';
			}
			
			this._getSourceFolderIcon = function() {
				var imageDir = url_of_img+'/_default/menu/';
				switch (typeof(this.icon)) {
					case 'undefined':
						if (this._tree.useLeaf && !this.hasChildren()) {
							if (this.extlink) {
								var folderImg = 'leaf_o';
							} else {
								var folderImg = 'leaf_c';
							}
						} else {
							var folderImg = 'folder';
							folderImg += (this.isOpen) ? 'Open' : 'Closed';
						}
						return imageDir + folderImg + '.gif';
						break;
					case 'bool':
					case 'boolean':
						break;
					case 'string':
						if (this.icon != 'false') {
							var ret = '';
							if (!this._iconHasPath(this.icon)) 
								ret += imageDir;
							ret += this.icon;
							if (!this._iconHasExtension(this.icon)) 
								ret += '.gif';
							return ret;
						}
				}
				return '';
			}
			
			this.hasChildren = function() {
				return (this._children.length > 0);
			}
			
			this.hasVisibleChildren = function() {
				if (!this._children || !(this._children.length > 0)) {
					this._hasVisibleChildren = false;
					return false;
				}
				for (var i=0, n=this._children.length; i<n; i++) {
					if (this._children[i].visible) {
						this._hasVisibleChildren = true;
						return true;
					}
				}
				this._hasVisibleChildren = false;
				return false;
			}
			
			this.numChildren = function() {
				return this._children.length;
			}
			
			this.childPos = function(id) {
				for (var i=0, n=this._children.length; i<n; i++) {
					if (this._children[i].id == id) return ++i;
				}
				return false;
			}
			
			this.hasSiblings = function() 
			{
			
			}
				
			this.hasSiblingsDown = function(ignoreCache) 
			{
				if (false && !ignoreCache) {
					if (typeof(this._hasSiblingsDown) != 'undefined') 
					return this._hasSiblingsDown;
				}
				
				try {
					var tot = this.parent.numChildren();
					var pos = this.parent.childPos(this.id);
					this._hasSiblingsDown = (pos < tot);
					return this._hasSiblingsDown;
				} catch (e) {
					this._hasSiblingsDown = false;
					return false;
				}
			}
			
			this.hasSiblingsAbove = function() 
			{
			}
			
			this.getSiblings = function() {
				try {
					return this.parent.getChildren();
				} catch(e) {
					return new Array;
				}
			}
			
			this.getChildren = function() 
			{
				return this._children;
			}
			
			this.getParentId = function() 
			{
				try {
					return this.parent.id;
				} catch (e) {
					return false;
				}
			}
			
			this.hasParent = function() 
			{
				return (this.parent);
			}
			
			this.attachEvent = function(trigger, yourEvent) {
				if (typeof(this._attachedEvents) == 'undefined') {
					this._attachedEvents = new Array();
				}
				if (typeof(yourEvent) == 'string') {
					if ((yourEvent.indexOf('(') == -1) && (yourEvent.indexOf(' ') == -1) && (yourEvent.indexOf(';') == -1)) {
						if (typeof(window[yourEvent]) == 'function') {
							yourEvent = window[yourEvent];
						}
					}
				}
				if (typeof(this._attachedEvents[trigger]) == 'undefined') {
					this._attachedEvents[trigger] = new Array(yourEvent);
				} else {
					this._attachedEvents[trigger][this._attachedEvents[trigger].length] = yourEvent;
				}
			}
			
			this.hasEventAttached = function(trigger) 
			{
				return ((typeof(this._attachedEvents) != 'undefined') && (typeof(this._attachedEvents[trigger]) != 'undefined'));
			}
			
			this.fireEvent = function(trigger) 
			{
				var ret = true;
				if (trigger == 'onClickCaption') {
					this.setActive();
				}
				if ((typeof(this._attachedEvents) != 'undefined') && (typeof(this._attachedEvents[trigger]) != 'undefined')) {
					var e = this._attachedEvents[trigger];
					if ((typeof(e) == 'string') || (typeof(e) == 'function')) {
						e = new Array(e);
					}
					for (var i=0, n=e.length; i<n; i++) {
						if (typeof(e[i]) == 'function') {
							var status = e[i](this);
							if (status == false) ret = false;
						} else if (typeof(e[i]) == 'string') {
							var ev = e[i].replace(/__this\.id__/g, this.id); //replace the string __this.id__ with the actual id.
							    //ev = ev.replace(/__this__/g, 'this'); //replace the string __this__ with 'this'.
							eval(ev);
						}
					}
				}
				return ret;
			}
			
			this.onKeyDown = function(event) {
				if (event == null)                        
					return;
				if (typeof(event)         == 'undefined') 
					return;
				if (typeof(event.keyCode) == 'undefined') 
					return;
				switch (event.keyCode) {
					case 107:
					case 39:
						if (this.isOpen) {
							if (this.hasVisibleChildren()) {
								var treeElm = this.getNextVisibleElement();
								if (treeElm != null) {
									var name = this._tree._objectId + '_e_' + treeElm.id + '_href';
									var captionSpan = document.getElementsByName(name);
									if (captionSpan.length > 0) {
										captionSpan[1].focus();
									} else {
										name = this._tree._objectId + '_e_' + treeElm.id + '_caption2';
										captionSpan = document.getElementById(name);
										if (captionSpan) captionSpan.focus();
									}
								}
							}
						} else {
							this.open();
						}
						
						return false;
					case 37:
					case 109:
						if (this.isOpen && (this._children.length > 0)) {
							this.close();
						} else {
							var treeElm = this.parent;
							if (treeElm != null) {
								var name = this._tree._objectId + '_e_' + treeElm.id + '_href';
								var captionSpan = document.getElementsByName(name);
								if (captionSpan.length > 0) {
									captionSpan[1].focus();
								} else {
									name = this._tree._objectId + '_e_' + treeElm.id + '_caption2';
									captionSpan = document.getElementById(name);
									if (captionSpan) captionSpan.focus();
								}
							}
						}
						return false;
					case 40:
						var treeElm = this.getNextVisibleElement();
						if (treeElm != null) {
							var name = this._tree._objectId + '_e_' + treeElm.id + '_href';
							var captionSpan = document.getElementsByName(name);
							if (captionSpan.length > 0) {
								captionSpan[1].focus();
							} else {
								name = this._tree._objectId + '_e_' + treeElm.id + '_caption2';
								captionSpan = document.getElementById(name);
								if (captionSpan) captionSpan.focus();
							}
						}
						return false;
					case 38:
						var treeElm = this.getPreviousVisibleElement();
						if (treeElm != null) {
							var name = this._tree._objectId + '_e_' + treeElm.id + '_href';
							var captionSpan = document.getElementsByName(name);
							if (captionSpan.length > 0) {
								captionSpan[1].focus();
							} else {
								name = this._tree._objectId + '_e_' + treeElm.id + '_caption2';
								captionSpan = document.getElementById(name);
							if (captionSpan) 
								captionSpan.focus();
							}
						}
						return false;
					case 32:
						if (this._tree.useCheckboxSystem) {
							switch (this.isChecked) {
								case 0:
									var newCheckboxValue = 2; 
									break;
								case 2:
									var newCheckboxValue = 0;
									break;
								case 1:
									if (this._tree.checkboxSystemIfPartlyThenFull) {
										var newCheckboxValue = 2;
									} else {
										var newCheckboxValue = 0;
									}
									break;
							}
							this.setCheckboxValue(newCheckboxValue);
						} else if (this._tree.useRadioButton) {
							document.getElementById(this._tree.getRadioButtonName() + '_' + this.getDhtmlCompatibleId()).checked = true;
						}
						return false;
					}
					return true;
				}
			
			this.getPreviousVisibleElement = function() {
				var treeElm = null;
				do {
					var sib = this.getSiblings();
					for (var i=0, n=sib.length; i<n; i++) {
						if (sib[i].id == this.id) {
							if (i > 0) {
								treeElm = sib[--i];
								if (treeElm.isOpen && treeElm.hasVisibleChildren()) {
									treeElm = treeElm._children[treeElm._children.length -1];
								}
								break;
							}
						}
					}
					if (treeElm == null) {
						if (typeof(this.parent) == 'undefined') 
							break;
						treeElm = this.parent;
					}
				} while (false);
				return treeElm;
			}
			
			this.getNextVisibleElement = function() 
			{
				var treeElm = null;
					do {
						if (this.isOpen && this.hasVisibleChildren()) {
							treeElm = this._children[0];
							break;
						}
						if (this.hasSiblingsDown()) {
							var sib = this.getSiblings();
							for (var i=0, n=sib.length; i<n; i++) {
								if (sib[i].id == this.id) {
									treeElm = sib[++i];
									break;
								}
							}
							if (treeElm != null) 
								break;
						}
						
						var elm = this.parent;
						do {
							var sib = elm.getSiblings();
							for (var i=0, n=sib.length; i<n; i++) {
								if (sib[i].id == elm.id) {
									treeElm = sib[++i];break;
								}
							}
							
							if (treeElm != null) 
								break;
							if (typeof(elm.parent) == 'undefined') 
								break;elm = elm.parent;
							} while (true);
						} while (false);
					return treeElm;
				}
			
			this._addError = function(str) 
			{
				if (typeof(this._errorArray) == 'undefined') {
					this._errorArray = new Array(str);
				} else {
					this._errorArray[this._errorArray.length] = str;
				}
				
			}
			
			this.getLastError = function() {
				if (typeof(this._errorArray) != 'undefined') {
					if (this._errorArray.length > 0) {
						return this._errorArray[this._errorArray.length -1];
					}
				}
				return false;
			}
			
			this._getVar = function(varName) {
				if (typeof(this[varName]) != 'undefined') {
					return this[varName];
				} else {
					if (this._tree.walkTree && (typeof(this.parent) != 'undefined')) {
						return this.parent._getVar(varName);
					} else if (typeof(this._tree[varName]) != 'undefined') {
						return this._tree[varName];
					} else {
						return null;
					}
				}
			}
			
			this.onMouseOver = function() {
				var img = document.getElementById(this._spanId + 'icon');
				if (!img.swapOver0) {
					img.swapOver0 = new Image();
					img.swapOver0.src = this.imgDir + 'enabled_0_over.gif';
					img.swapOver1 = new Image();
					img.swapOver1.src = this.imgDir + 'enabled_1_over.gif';
					img.swapOver2 = new Image();
					img.swapOver2.src = this.imgDir + 'enabled_2_over.gif';
					img.swapOut0 = new Image();
					img.swapOut0.src = this.imgDir + 'enabled_0.gif';
					img.swapOut1 = new Image();
					img.swapOut1.src = this.imgDir + 'enabled_1.gif';
					img.swapOut2 = new Image();
					img.swapOut2.src = this.imgDir + 'enabled_2.gif';
				}
				
				img.src = img['swapOver' + this.value].src;
			}
			
			this.onMouseOut = function() {
				var img = document.getElementById(this._spanId + 'icon');
				img.src = img['swapOut' + this.value].src;
			}
			
			this.setCheckboxValue = function(value, fireEvents, doWalk) {
				if (typeof(fireEvents) == 'undefined') fireEvents = true;
				if (typeof(doWalk)     == 'undefined') 
					doWalk     = true;
				if (!this.hasChildren()) {
					value = (value) ? 2 : 0;
				} else {
					if (this.isChecked == 0) {
						if (this._tree.checkboxSystemWalkTree && (this._tree.checkboxSystemWalkTree != 2) && (this._tree.checkboxSystemWalkTree != 3) && this.hasChildren()) {
							value = 1;
						}
					}
				}
				
				this.isChecked = value;
				this._checkboxObject.setTo(value, true);
				if (fireEvents) {
					if (this.hasEventAttached('onChangeCheckbox')) 
					this.fireEvent('onChangeCheckbox');
				}
				
				if (doWalk) {
					if ((this._tree.checkboxSystemWalkTree == 3) || (this._tree.checkboxSystemWalkTree == 1) || (this._tree.checkboxSystemWalkTree == 4)) {
						this.parent.updateCheckboxFromChild();
					}
					if ((this._tree.checkboxSystemWalkTree == 3) || (this._tree.checkboxSystemWalkTree == 2) || ((this._tree.checkboxSystemWalkTree == 4) && (value == 0))) {
						this.checkboxUpdateDown(value);
					}
				}
			}
		
		this.checkboxEvent = function(value) {
			if (!this.hasChildren()) {
				value = (value) ? 2 : 0;
			} else {
				if (this.isChecked == 1) {
					if ((!this._tree.checkboxSystemIfPartlyThenFull) || ((this._tree.checkboxSystemWalkTree) && (this._tree.checkboxSystemWalkTree != 2) && (this._tree.checkboxSystemWalkTree != 3))) {
						value = 0;
					} else {
						value = 2;
					}
				} else if (this.isChecked == 0) {
					if (this._tree.checkboxSystemWalkTree && (this._tree.checkboxSystemWalkTree != 2) && (this._tree.checkboxSystemWalkTree != 3) && this.hasChildren()) {
						value = 1;
					}
				}
			}
			
			this.isChecked = value;
			this._checkboxObject.setTo(value, true);
			
			if (this.hasEventAttached('onChangeCheckbox')) 
				this.fireEvent('onChangeCheckbox');
				if ((this._tree.checkboxSystemWalkTree == 3) || (this._tree.checkboxSystemWalkTree == 1) || (this._tree.checkboxSystemWalkTree == 4)) {
					this.parent.updateCheckboxFromChild();
				}
				if ((this._tree.checkboxSystemWalkTree == 3) || (this._tree.checkboxSystemWalkTree == 2) || ((this._tree.checkboxSystemWalkTree == 4) && (value == 0))) {
					this.checkboxUpdateDown(value);
				}
			}
			
			this.checkboxUpdateDown = function(value) {
				for (var i=0; i<this._children.length; i++) {
					this._children[i]._updateCheckboxFromParent(value, true);
				}
			}
			
			this.updateCheckboxVisually = function() {
				if (typeof(this._checkboxObject) == 'object') {
					try {
						this._checkboxObject.setTo(this.isChecked);
					} catch (e) {
					}
				}
			}
			
			this._updateCheckboxFromParent = function(newValue, recursiveDown) {
				var backupValue = this.isChecked;
				this.isChecked = (newValue) ? 2 : 0;
				var hasChanged = (this.isChecked != backupValue);
				if (hasChanged) {
					this.updateCheckboxVisually();
					if (this.hasEventAttached('onChangeCheckbox')) 
						this.fireEvent('onChangeCheckbox');
				}
				if (recursiveDown) 
					this.checkboxUpdateDown(newValue, true);
			}
			
			this.updateCheckboxFromChild = function() {
				var backupIsChecked = this.isChecked;
				var numYes   = 0;
				var numNo    = 0;
				var isPartly = false;
				
				for (var i=0, n=this._children.length; i<n; i++) {
					if (this._children[i].isChecked == 1) {
						isPartly = true;
						this.isChecked = 1;
						break;
					} else if (this._children[i].isChecked) {
						numYes++;
					} else {
						numNo++;
					}
					
					if ((numYes > 0) && (numNo > 0)) {
						break;
					}
				}
				if (!isPartly) {
					if ((numYes > 0) && (numNo > 0)) {
						this.isChecked = 1;
					} else if (numYes > 0) {
						this.isChecked = 2;
					} else {
						this.isChecked = 0;
					}
				}
				
				if (backupIsChecked != this.isChecked) {
					this.updateCheckboxVisually();
					if (this.hasEventAttached('onChangeCheckbox')) this.fireEvent('onChangeCheckbox');
				}
				
				if (typeof(this.parent) == 'object') {
					this.parent.updateCheckboxFromChild();
				}
			}
			
			this._updateLevelAndParent = function(treeElement) {
				if ((typeof(treeElement._children) == 'object') && (treeElement._children.length > 0)) {
					for (var i=0, n=treeElement._children.length; i<n; i++) {
						treeElement._children[i].parent = treeElement;treeElement._children[i]._level = treeElement._level +1;
						this._updateLevelAndParent(treeElement._children[i]);
					}
				}
			}
			
			this._getLinkStyle = function() {
				if (typeof(this.linkStyle)       != 'undefined') 
					return this.linkStyle;
				if (typeof(this._tree.linkStyle) != 'undefined') 
					return this._tree.linkStyle;return '';
			}
			
			this._cleanCheckboxName = function(checkboxName) {
				//ret = ret.replace(myReg, "=");
				var ret = '';
				for (var i=0; i<checkboxName.length; i++) {
					var chr = checkboxName.charCodeAt(i);
					if ((chr < 48) || (chr > 57 && chr < 65) || (chr > 90 && chr < 97) || (chr > 122)) {
						ret += '_';
					} else {
						ret += checkboxName.substr(i, 1);
					}
				}
				return ret;
			}
			
			this._iconHasExtension = function(iconStr) {
				var iconLower = iconStr.toLowerCase();
				var iconPos   = iconLower.lastIndexOf('.');
				if (iconPos > -1) {
					var iconExt = iconLower.substr(iconPos +1);
					if ((iconExt != 'gif') && (iconExt != 'png') && (iconExt != 'jpg') && (iconExt != 'jpeg')) {
						return false;
					}
				} else {
					return false;
				}
				return true;
			}
			
			this._iconHasPath = function(iconStr) {
				if (iconStr.indexOf('://') > -1) 
					return true;
				if (iconStr.substr(0, 1) == '/') 
					return true;
				return false;
			}
	}