/*Node object*/var dTreeNavigatorSeparator   = "&raquo;";var dTreeNavigatorSeparatorJS = "»";	function Node(id, pid, name, url, title, target, icon, iconOpen, open){		this.id       = id;		this.pid      = pid;		this.name     = name;		this.url      = url;		this.title    = title;		this.target   = target;		this.icon     = icon;		this.iconOpen = iconOpen;		this._io      = open || false;		this._is      = false;		this._ls      = false;		this._hc      = false;		this._ai      = 0;		this._p;	};/*Tree object*/	function dTree(objName){		this.config = {			target             : null,			folderLinks        : true,			useSelection       : true,			useCookies         : true,			useLines           : true,			useIcons           : true,			useStatusText      : false,			closeSameLevel     : false,			inOrder            : false,			folderLinkOpenNode : true,			useNavigator       : true,			navigatorFunction  : false,			navigatorFrame     : false		};		this.icon = {			root		: 'core/plugins/dtree/img/base.gif',			folder	    : 'core/plugins/dtree/img/folder.gif',			folderOpen	: 'core/plugins/dtree/img/folderopen.gif',			node		: 'core/plugins/dtree/img/page.gif',			empty		: 'core/plugins/dtree/img/empty.gif',			line		: 'core/plugins/dtree/img/line.gif',			join		: 'core/plugins/dtree/img/join.gif',			joinBottom	: 'core/plugins/dtree/img/joinbottom.gif',			plus        : 'core/plugins/dtree/img/plus.gif',			plusBottom	: 'core/plugins/dtree/img/plusbottom.gif',			minus       : 'core/plugins/dtree/img/minus.gif',			minusBottom	: 'core/plugins/dtree/img/minusbottom.gif',			nlPlus		: 'core/plugins/dtree/img/nolines_plus.gif',			nlMinus		: 'core/plugins/dtree/img/nolines_minus.gif'		};		this.obj                    = objName;		this.aNodes                 = [];		this.aIndent                = [];		this.root                   = new Node(-1);		this.selectedNode           = null;		this.selectedFound          = false;		this.completed              = false;		this.navigator              = "";		this.firstTimeNavigatorLoop = true;	};/*Adds a new node to the node array*/dTree.prototype.add = function(id, pid, name, url, title, target, icon, iconOpen, open){	this.aNodes[this.aNodes.length] = new Node(id, pid, name, url, title, target, icon, iconOpen, open);};/*Open/close all nodes*/dTree.prototype.openAll = function(){this.oAll(true);};dTree.prototype.closeAll = function(){this.oAll(false);};/*Outputs the tree to the page*/dTree.prototype.toString = function(){	var str = '<div class="dtree">\n';		if(document.getElementById){				if(this.config.useCookies) this.selectedNode = this.getSelected();			str += this.addNode(this.root);		}else{			str += 'Browser not supported.';		}	str += '</div>';		if(!this.selectedFound) this.selectedNode = null;	this.completed = true;	return str;};/*Creates the tree structure*/dTree.prototype.addNode = function(pNode){	var str = '';	var n   = 0;		if(this.config.inOrder) n = pNode._ai;		for(n; n<this.aNodes.length; n++){			if(this.aNodes[n].pid == pNode.id){				var cn = this.aNodes[n];				cn._p = pNode;				cn._ai = n;				this.setCS(cn);					if(!cn.target && this.config.target)            cn.target = this.config.target;					if(cn._hc && !cn._io && this.config.useCookies) cn._io = this.isOpen(cn.id);					if(!this.config.folderLinks && cn._hc)          cn.url = null;					if(this.config.useSelection && cn.id == this.selectedNode && !this.selectedFound){						cn._is = true;						this.selectedNode = n;						this.selectedFound = true;					}				str += this.node(cn, n);					if(cn._ls) break;			}		}	return str;};/*Creates the node icon, url and text*/dTree.prototype.node = function(node, nodeId){	var str = '<div class="dTreeNode">' + this.indent(node, nodeId);		if(this.config.useIcons){				if(!node.icon)     node.icon = (this.root.id == node.pid) ? this.icon.root : ((node._hc) ? this.icon.folder : this.icon.node);				if(!node.iconOpen) node.iconOpen = (node._hc) ? this.icon.folderOpen : this.icon.node;				if(this.root.id == node.pid) {					node.icon     = this.icon.root;					node.iconOpen = this.icon.root;				}			str += '<img id="i' + this.obj + nodeId + '" src="' + ((node._io) ? node.iconOpen : node.icon) + '" alt="" />';		}		if(node.url){			str += '<a id="s' + this.obj + nodeId + '" class="' + ((this.config.useSelection) ? ((node._is ? 'nodeSel' : 'node')) : 'node') + '" href="' + node.url + '"';				if(node.title) str += ' title="' + node.title + '"';				if(node.target) str += ' target="' + node.target + '"';				if(this.config.useStatusText) str += ' onmouseover="window.status=\'' + node.name.replace(/\'/g,"\\'") + '\';return true;" onmouseout="window.status=\'\';return true;" ';				if(this.config.useSelection && ((node._hc && this.config.folderLinks) || !node._hc)) str += ' onclick="javascript: ' + this.obj + '.s(' + nodeId + ');';				if(node._hc && this.config.folderLinkOpenNode && node.pid != this.root.id) str += this.obj + '.o(' + nodeId + ');';				if(this.config.useNavigator) str += this.obj + '.getNavigator(' + node.id + ');';			str += '"';			str += '>';		}else if((!this.config.folderLinks || !node.url) && node._hc && node.pid != this.root.id){			str += '<a href="javascript: ' + this.obj + '.o(' + nodeId + ');';				if (this.config.useNavigator) str += this.obj + '.getNavigator(' + node.id + ');';			str += '" class="node">';		}	str += node.name;		if (node.url || ((!this.config.folderLinks || !node.url) && node._hc)) str += '</a>';	str += '</div>';		if(node._hc){			str += '<div id="d' + this.obj + nodeId + '" class="clip" style="display:' + ((this.root.id == node.pid || node._io) ? 'block' : 'none') + ';">';			str += this.addNode(node);			str += '</div>';		}	this.aIndent.pop();	return str;};dTree.prototype.getNavigator = function(id){		if((this.config.navigatorFunction) && (typeof(this.config.navigatorFunction) === "function")){				if(this.firstTimeNavigatorLoop) this.navigator = "";				for(var n=0; n<this.aNodes.length; n++){					if(this.aNodes[n].id == id){						if(this.firstTimeNavigatorLoop){							this.navigator = ' '+dTreeNavigatorSeparator+' ' +this.aNodes[n].name + this.navigator;							this.firstTimeNavigatorLoop = false;						}else{							var navTemp = "";							navTemp += ' '+dTreeNavigatorSeparator+' <a href="';								if(this.aNodes[n].url){									var jsScriptPattern = "javascript:";									if((this.aNodes[n].url.substring(0,jsScriptPattern.length) == jsScriptPattern) && this.config.navigatorFrame){										navTemp += jsScriptPattern + this.config.navigatorFrame + '.' + this.aNodes[n].url.substring(jsScriptPattern.length,this.aNodes[n].url.length);									}else{										navTemp += this.aNodes[n].url;									}								}else{									navTemp += 'javascript:void(0);';								}							navTemp += '" title="'+ this.aNodes[n].title +'" onClick="';								if(this.config.navigatorFrame) navTemp += this.config.navigatorFrame + '.';								if(this.aNodes[n].id == 1){									navTemp += this.obj+'.closeAll();';								}else{									navTemp += this.obj+'.o('+ n +');';								}								if(this.config.navigatorFrame) navTemp += this.config.navigatorFrame + '.';							navTemp += this.obj + '.getNavigator(' + this.aNodes[n].id + ');';								if(this.config.navigatorFrame) navTemp += this.config.navigatorFrame + '.';							navTemp +=this.obj+'.s('+ n +');">'+ this.aNodes[n].name +'</a>' + this.navigator;							this.navigator = navTemp;						}						this.getNavigator(this.aNodes[n].pid);							if(this.aNodes[n].id == 1){								this.firstTimeNavigatorLoop = true;								this.config.navigatorFunction.call(this,this.navigator);								break;							}					}				}		}else{			alert("La funzione di stampa del menů di navigazione non č corretta!");		}};/*Adds the empty and line icons*/dTree.prototype.indent = function(node, nodeId){	var str = '';		if(this.root.id != node.pid){				for(var n=0; n<this.aIndent.length; n++){					str += '<img src="' + ( (this.aIndent[n] == 1 && this.config.useLines) ? this.icon.line : this.icon.empty ) + '" alt="" />';				}				(node._ls) ? this.aIndent.push(0) : this.aIndent.push(1);			if(node._hc){				str += '<a href="javascript: ' + this.obj + '.o(' + nodeId + ');"><img id="j' + this.obj + nodeId + '" src="';					if(!this.config.useLines){						str += (node._io) ? this.icon.nlMinus : this.icon.nlPlus;					}else{ 						str += ( (node._io) ? ((node._ls && this.config.useLines) ? this.icon.minusBottom : this.icon.minus) : ((node._ls && this.config.useLines) ? this.icon.plusBottom : this.icon.plus ) );					}				str += '" alt="" /></a>';			}else{ 				str += '<img src="' + ( (this.config.useLines) ? ((node._ls) ? this.icon.joinBottom : this.icon.join ) : this.icon.empty) + '" alt="" />';			}		}	return str;};/*Checks if a node has any children and if it is the last sibling*/dTree.prototype.setCS = function(node){	var lastId;		for(var n=0; n<this.aNodes.length; n++){			if (this.aNodes[n].pid == node.id) node._hc = true;			if (this.aNodes[n].pid == node.pid) lastId = this.aNodes[n].id;		}		if (lastId==node.id) node._ls = true;};/*Returns the selected node*/dTree.prototype.getSelected = function(){	var sn = this.getCookie('cs' + this.obj);	return (sn) ? sn : null;};/*Highlights the selected node*/dTree.prototype.s = function(id){		if(!this.config.useSelection) return;	var cn = this.aNodes[id];		if(cn._hc && !this.config.folderLinks) return;		if(this.selectedNode != id){				if(this.selectedNode || this.selectedNode==0){					eOld = document.getElementById("s" + this.obj + this.selectedNode);					eOld.className = "node";				}			eNew = document.getElementById("s" + this.obj + id);			eNew.className = "nodeSel";				this.selectedNode = id;				if(this.config.useCookies) this.setCookie('cs' + this.obj, cn.id);		}};/*Toggle Open or close*/dTree.prototype.o = function(id){	var cn = this.aNodes[id];	this.nodeStatus(!cn._io, id, cn._ls);	cn._io = !cn._io;		if(this.config.closeSameLevel) this.closeLevel(cn);		if(this.config.useCookies) this.updateCookie();};/*Open or close all nodes*/dTree.prototype.oAll = function(status){	for(var n=0; n<this.aNodes.length; n++){		if(this.aNodes[n]._hc && this.aNodes[n].pid != this.root.id){			this.nodeStatus(status, n, this.aNodes[n]._ls);			this.aNodes[n]._io = status;		}	}	if (this.config.useCookies) this.updateCookie();};/*Opens the tree to a specific node*/dTree.prototype.openTo = function(nId, bSelect, bFirst){		if(!bFirst){			for(var n=0; n<this.aNodes.length; n++){				if(this.aNodes[n].id == nId){					nId=n;					break;				}			}		}	var cn=this.aNodes[nId];		if(cn.pid==this.root.id || !cn._p) return;	cn._io = true;	cn._is = bSelect;		if(this.completed && cn._hc) this.nodeStatus(true, cn._ai, cn._ls);		/*if(this.completed && bSelect) this.s(cn._ai);		else if (bSelect) this._sn=cn._ai;		this.openTo(cn._p._ai, false, true);*/		if(this.completed && bSelect){			this.s(cn._ai);		}else if(bSelect){			this._sn=cn._ai;		}else{					}			this.openTo(cn._p._ai, false, true);};/*Closes all nodes on the same level as certain node*/dTree.prototype.closeLevel = function(node){	for(var n=0; n<this.aNodes.length; n++){		if(this.aNodes[n].pid == node.pid && this.aNodes[n].id != node.id && this.aNodes[n]._hc){			this.nodeStatus(false, n, this.aNodes[n]._ls);			this.aNodes[n]._io = false;			this.closeAllChildren(this.aNodes[n]);		}	}};/*Closes all children of a node*/dTree.prototype.closeAllChildren = function(node){	for(var n=0; n<this.aNodes.length; n++){		if(this.aNodes[n].pid == node.id && this.aNodes[n]._hc){			if(this.aNodes[n]._io) this.nodeStatus(false, n, this.aNodes[n]._ls);			this.aNodes[n]._io = false;			this.closeAllChildren(this.aNodes[n]);				}	}};/*Change the status of a node(open or closed)*/dTree.prototype.nodeStatus = function(status, id, bottom){	eDiv	= document.getElementById('d' + this.obj + id);	eJoin	= document.getElementById('j' + this.obj + id);		if(this.config.useIcons){			eIcon	= document.getElementById('i' + this.obj + id);			eIcon.src = (status) ? this.aNodes[id].iconOpen : this.aNodes[id].icon;		}	eJoin.src = (this.config.useLines)?		((status)?((bottom)?this.icon.minusBottom:this.icon.minus):((bottom)?this.icon.plusBottom:this.icon.plus)):		((status)?this.icon.nlMinus:this.icon.nlPlus);	eDiv.style.display = (status) ? 'block': 'none';};/*[Cookie] Clears a cookie*/dTree.prototype.clearCookie = function(){	var now = new Date();	var yesterday = new Date(now.getTime() - 1000 * 60 * 60 * 24);	this.setCookie('co'+this.obj, 'cookieValue', yesterday);	this.setCookie('cs'+this.obj, 'cookieValue', yesterday);};/*[Cookie] Sets value in a cookie*/dTree.prototype.setCookie = function(cookieName, cookieValue, expires, path, domain, secure){	document.cookie = escape(cookieName) + '=' + escape(cookieValue) + (expires ? '; expires=' + expires.toGMTString() : '') + (path ? '; path=' + path : '') + (domain ? '; domain=' + domain : '') + (secure ? '; secure' : '');};/*[Cookie] Gets a value from a cookie*/dTree.prototype.getCookie = function(cookieName){	var cookieValue = '';	var posName = document.cookie.indexOf(escape(cookieName) + '=');		if(posName != -1){			var posValue = posName + (escape(cookieName) + '=').length;			var endPos = document.cookie.indexOf(';', posValue);				if(endPos != -1){					cookieValue = unescape(document.cookie.substring(posValue, endPos));				}else{					cookieValue = unescape(document.cookie.substring(posValue));				}		}	return (cookieValue);};/*[Cookie] Returns ids of open nodes as a string*/dTree.prototype.updateCookie = function(){	var str = '';		for(var n=0; n<this.aNodes.length; n++){			if(this.aNodes[n]._io && this.aNodes[n].pid != this.root.id) {					if(str) str += '.';				str += this.aNodes[n].id;			}		}	this.setCookie('co' + this.obj, str);};/*[Cookie] Checks if a node id is in a cookie*/dTree.prototype.isOpen = function(id){	var aOpen = this.getCookie('co' + this.obj).split('.');		for(var n=0; n<aOpen.length; n++){			if (aOpen[n] == id) return true;		}	return false;};/*If Push and pop is not implemented by the browser*/if(!Array.prototype.push){	Array.prototype.push = function array_push(){			for(var i=0;i<arguments.length;i++){				this[this.length]=arguments[i];			}		return this.length;	}};if(!Array.prototype.pop){	Array.prototype.pop = function array_pop(){		lastElement = this[this.length-1];		this.length = Math.max(this.length-1,0);		return lastElement;	}};