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

// Original script is heavly customized to meet specific requirements

var context='/support/downloads/';
var lastPosition=-1;

// Node object
function Node(id, pid, name, url, title, target, icon, iconOpen, open, cert_icon, cert_url) {
	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;
	this.cert_icon = cert_icon;
	this.cert_url  = cert_url;
};

// Tree object
function tree(objName) {
	this.settings = {
		target				: null,
		folderLinks			: true,
		useSelection		: true,
		useCookies			: true,
		useLines			: true,
		useIcons			: true,
		useStatusText		: true,
		closeSameLevel	    : false,
		inOrder				: false
	}
	//Some older config values
    //root				: context+'images/base1.gif',
    //node				: context+'images/base1.gif',
    //root				: context+'images/openFolder.gif',
    //node				: context+'images/page.gif',
	this.icon = {
    	root				: context+'images/base1.gif',
		folder			    : context+'images/closeFolder.gif',
		folderOpen	        : context+'images/openFolder.gif',
		node				: context+'images/base1.gif',
		empty				: context+'images/empty.gif',
		line				: context+'images/line.gif',
		join				: context+'images/join.gif',
		joinBottom	        : context+'images/joinbottom.gif',
		plus				: context+'images/plus.gif',
		plusBottom	        : context+'images/plusbottom.gif',
		minus				: context+'images/minus.gif',
		minusBottom	        : context+'images/minusbottom.gif',
		nlPlus			    : context+'images/nolines_plus.gif',
		nlMinus			    : context+'images/nolines_minus.gif',
		page		    	: context+'images/page.gif'
	};

	this.obj = objName;
	this.aNodes = [];
	this.aIndent = [];
	this.root = new Node(-1);
	this.selectedNode = null;
	this.selectedFound = false;
	this.completed = false;
};

// Adds a new node to the node array
tree.prototype.addElement = 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);
};
// called from release tree
tree.prototype.addElementRel = function(id, pid, name, url, title, target, icon, iconOpen, open, cert_icon, cert_url) {
	this.aNodes[this.aNodes.length] = new Node(id, pid, name, url, title, target, icon, iconOpen, open, cert_icon, cert_url);
};

// Open/close all nodes
tree.prototype.openAll = function() {
	this.oAll(true);
};

tree.prototype.closeAll = function() {
	this.oAll(false);
};

// Outputs the tree to the page
tree.prototype.toString = function() {
	var str = '<div class="tree">\n';
	if (document.getElementById) {
		if (this.settings.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
tree.prototype.addNode = function(pNode) {
	var str = '';
	var n=0;
	if (this.settings.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.settings.target) cn.target = this.settings.target;
			if (cn._hc && !cn._io && this.settings.useCookies) cn._io = this.isOpen(cn.id);
			if (!this.settings.folderLinks && cn._hc) cn.url = null;
			if (this.settings.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
tree.prototype.node = function(node, nodeId) {
	var str = '<div class="treeNode">' + this.indent(node, nodeId);
	if (this.settings.useIcons) {
		//if (!node.icon) node.icon = (this.root.id == node.pid) ? this.icon.root : ((node._hc || node.url) ? this.icon.folder : this.icon.node);
		if (!node.icon) node.icon = (this.root.id == node.pid) ? this.icon.root : ((node._hc) ? this.icon.folder : this.icon.page);
		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="" />';
	}

        var deadNode='';
        if (node.url == "JavaScript:alert('This item does not have specified information necessary.');")
        {
		    deadNode = 'deadNode';
		}
		else
		{
		    deadNode = 'node';
		}
	if (node.url)
	{
        str += '<a id="s' + this.obj + nodeId + '" class="' + ((this.settings.useSelection) ? ((node._is ? 'nodeSel' : deadNode )) : 'node') + '" href="' + node.url + '"';
        if (node.title) str += ' title="' + node.title + '"';
        if (node.target) str += ' target="' + node.target + '"';
        if (this.settings.useStatusText) str += ' onmouseover="window.status=\'\';return true;" onmouseout="window.status=\'\';return true;" ';
        if (this.settings.useSelection && ((node._hc && this.settings.folderLinks) || !node._hc))
            str += ' onclick="javascript: ' + this.obj + '.s(' + nodeId + ');"';
        str += '>';

	}
	else if ((!this.settings.folderLinks || !node.url) && node._hc && node.pid != this.root.id)
		str += '<a href="javascript: ' + this.obj + '.o(' + nodeId + ');" class="node">';
	str += node.name;
	if (node.url || ((!this.settings.folderLinks || !node.url) && node._hc)) str += '</a>';
	//if(node.cert_url) str += '<a href="' + node.cert_url + '"><img src="'+node.cert_icon+'"></a>';
	if(node.cert_url) str += '<img src="'+node.cert_icon+'">';
	
	str += '</div>';
	if (node._hc)
	{
		str += '<div id="d' + this.obj + nodeId + '" class="clip" style="display:' + ((this.root.id == node.pid || node._io) ? 'block' : 'none') + ';">';
		str += this.addNode(node);
		str += '</div>';
	}
	this.aIndent.pop();
	return str;
};

// Adds the empty and line icons
tree.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.settings.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.settings.useLines) str += (node._io) ? this.icon.nlMinus : this.icon.nlPlus;
			else str += ( (node._io) ? ((node._ls && this.settings.useLines) ? this.icon.minusBottom : this.icon.minus) : ((node._ls && this.settings.useLines) ? this.icon.plusBottom : this.icon.plus ) );
			str += '" alt="" /></a>';
		} else str += '<img src="' + ( (this.settings.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
tree.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
tree.prototype.getSelected = function() {
	var sn = this.getCookie('cs' + this.obj);
	return (sn) ? sn : null;
};

// Highlights the selected node
tree.prototype.s = function(id) {
	if (!this.settings.useSelection) return;
	var cn = this.aNodes[id];
	//var  arr=document.all.tags("A");
    var  arr=     document.getElementsByTagName("A");
	
	//
	/*
		for(i=0;i<arr.length;i++)
		{
			//alert(arr[i].id);
			var tmp="s" + "mdfTree" + id;
			if(arr[i].id==tmp){
					alert('matched'+tmp)
					cn =arr[i];
		*/
		
	//
	
	if (cn._hc && !this.settings.folderLinks) return;
	if (this.selectedNode != id)
	{
		if (this.selectedNode || this.selectedNode==0) {
			eOld = document.getElementById("s" + this.obj + this.selectedNode);
			
			//alert(eOld);
			if (eOld != null)
			{
				eOld.className = "node";
			}

	}
		//alert(cn.url);
		//alert('iiiiiiiiiiiiiii'+"s" + this.obj + id);
		for(i=0;i<arr.length;i++)
		{
			//alert(arr[i].id);
			var tmp="s" + "mdfTree" + id;
			if(arr[i].id==tmp){
					//alert('matched'+tmp)
					cn =arr[i];
					
		//var eNew=document.getElementById("s" + this.obj + id) ;
		var eNew=cn;
        //if (cn.url == "JavaScript:alert('This item does not yet have serial number information in this tool.');")
        if (cn.url == "JavaScript:alert('This model currently does not have any software available for download');")
        {
		    eNew.className = "deadNodeSel";
		}
		else if(cn.url == "")
		{
		    // do nothing
		}
		else
		{
			//alert('--apply--')
		    eNew.className = "nodeSel";
		}
		
		
		//
			}
        }
        //
// following line is commented by Sameer to retain the highlighting on back button + find device for the same description
//		if (this.settings.useCookies) this.setCookie('cs' + this.obj, cn.id);
	}
};

// Toggle Open or close
tree.prototype.o = function(id) {
	var cn = this.aNodes[id];
	this.nodeStatus(!cn._io, id, cn._ls);
	cn._io = !cn._io;
	if (this.settings.closeSameLevel) this.closeLevel(cn);
	if (this.settings.useCookies) this.updateCookie();
};

// Toggle Open or close
tree.prototype.o1 = function(id) {
	var cn = this.aNodes[id];
	this.nodeStatus(!cn._io, id, cn._ls);
	cn._io = !cn._io;
	if (this.settings.closeSameLevel) this.closeLevel(cn);
	if (this.settings.useCookies) this.updateCookie();
};

// close node
tree.prototype.closeNode = function(id) {
	var cn = this.aNodes[id];

	if(cn._io){
		this.nodeStatus(!cn._io, id, cn._ls);
		if (this.settings.closeSameLevel) this.closeLevel(cn);
		if (this.settings.useCookies) this.updateCookie();
		cn._io =false;
		this.nodeStatus(cn._io, id, cn._ls);
	}
};

// Open or close all nodes
tree.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.settings.useCookies) this.updateCookie();
};

// Opens the tree to a specific node
var globalVar = -1;
tree.prototype.openToSingle = function(nId, bSelect, bFirst) {
//alert('Opening'+nId);
	if (!bFirst) {
		for (var n=0; n<this.aNodes.length; n++) {
				if (this.aNodes[n].id == nId && globalVar != n) {
				nId=n;
				globalVar = n;
				break;
			}
		}
	}
	var cn= this.aNodes[nId];
	
    if(!cn) return;
	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.openToSingle(cn._p._ai, false, true);
};

///Jaishree
tree.prototype.openToSingle1 = function(nId, bSelect, bFirst) {
//var  arr=document.all.tags("A");
var  arr=     document.getElementsByTagName("A");
var cn;
//alert('Length'+arr.length);
for(i=0;i<arr.length;i++)
{
			var tmp="s" + "mdfTree" + nId;
			//alert('----'+tmp);
			//alert('Test'+arr[i].id);
			if(arr[i].id==tmp){
				var url = arr[i].href;
				var url1 = url.substring(url.indexOf('=')+1);
				var url1 = url1.substring(0,url1.indexOf('&'));
//alert(url1);
				var nodeid = url1;
				
			}



	//var cn= this.aNodes[nId];
    /*if(!cn) return;
	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.openToSingle(cn._p._ai, false, false);
	
}
};

//Jaishree
// Opens multiple nodes and highlights them
tree.prototype.openToMultiple = function(nId, bSelect, bFirst)
{
    var idArr = nId.split(/:/);
    var loopCount = 0;

    for (var m=0; m<idArr.length; m++)
    {
       this.openToSingle(idArr[m], bSelect, bFirst);
    }
};

// Closes all nodes on the same level as certain node
tree.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
tree.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)
tree.prototype.nodeStatus = function(status, id, bottom) {
	eDiv	= document.getElementById('d' + this.obj + id);
	eJoin	= document.getElementById('j' + this.obj + id);
	if (this.settings.useIcons) {
		eIcon	= document.getElementById('i' + this.obj + id);
		eIcon.src = (status) ? this.aNodes[id].iconOpen : this.aNodes[id].icon;
	}
	eJoin.src = (this.settings.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
tree.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
tree.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
tree.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
tree.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
tree.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;
	}
};

// This is another set of cookie code -- Used to fix back button issue with the tree
cookie_name = "mdfIdCookie";

// put cookie -- can also be used to remove cookie.
function putCookie(mdfId)
{
    if(document.cookie != document.cookie)
    {
        index = document.cookie.indexOf(cookie_name);
    }
    else
    {
        index = -1;
    }

    if (index == -1)
    {
        // no expiration date on a cookie hence it will expire when the browser closes.
        document.cookie=cookie_name+"="+mdfId+";expires=";
    }
};

// get the cookie Value
function getCookie()
{
    if(document.cookie)
    {
        index = document.cookie.indexOf(cookie_name);
        if (index != -1)
        {
            namestart = (document.cookie.indexOf("=", index) + 1);
            nameend = document.cookie.indexOf(";", index);
            if (nameend == -1) {nameend = document.cookie.length;}
            var returnThis = '';
            returnThis = document.cookie.substring(namestart, nameend);
            return returnThis;
        }
    }
}

// Following line of code is not used because it has the limitation of seeing the tree and then selecting
// Search function for the select list being used
tree.prototype.searchOptions = function(form)
{
     var FilteredFeatureArray = new Array();
     var inc = 0;
     for (var j = 0; j < this.aNodes.length; j++)
     {
         var tempVar1 = this.aNodes[j].name.toUpperCase();

         //This piece is added to reduce the size of the text in the list box to manage size if needed
         if(tempVar1.length > 37)
         {
            this.aNodes[j].name =  this.aNodes[j].name.substring(0,36)+"...";
         }

         var tempVar2 = form.search.value;

         if (this.aNodes[j].name != '' && tempVar1.indexOf(tempVar2) != -1)
         {
            this.openToSingle(this.aNodes[j].id, true);
            FilteredFeatureArray[inc] = new tree(this.aNodes[j].name, this.aNodes[j].id);
            inc++;
         }
      }

      form.search.length = 0;
      // create the new select list
      for (var p = 0; p < FilteredFeatureArray.length; p++)
      {
          // Check following line ..
          new FilteredFeatureArray[p];
      }
};
// sarang 
tree.prototype.getParentNode = function(nodeId) {
 if(this.aNodes){
	for (var j = 0; j<this.aNodes.length; j++){
		if(nodeId==this.aNodes[j].id){
			return this.aNodes[j];
		}
	}
}
}

tree.prototype.openToSingle_Updated = function(nId, bSelect, bFirst, curPId) {

	if (!bFirst) {
		for (var n=0; n<this.aNodes.length; n++) {
			if (this.aNodes[n].id == nId && curPId == this.aNodes[n].pid) {
				nId=n;
				break;
			}
		}
	}
	var cn= this.aNodes[nId];
	
    if(!cn) return;
	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.openToSingle(cn._p._ai, false, true);
};