// JavaScript Document

var dhtmlgoodies_tree2;

	var imageFolder = 'images/';	// Path to images

	var folderImage = 'dhtmlgoodies_folder.gif';

	var plusImage = 'dhtmlgoodies_plus.gif';

	var minusImage = 'dhtmlgoodies_minus.gif';

	var initExpandedNodes = '';	// Cookie - initially expanded nodes;

	var fileName = 'updateNode.php';	// External file called by AJAX

	var timeoutEdit = 20;	// Lower value = shorter delay from mouse is pressed down to textbox appears.

	

	var ajax = new sack();

	

	/*

	These cookie functions are downloaded from 

	http://www.mach5.com/support/analyzer/manual/html/General/CookiesJavaScript.htm

	*/

	function Get_Cookie(name) { 

	   var start = document.cookie.indexOf(name+"="); 

	   var len = start+name.length+1; 

	   if ((!start) && (name != document.cookie.substring(0,name.length))) return null; 

	   if (start == -1) return null; 

	   var end = document.cookie.indexOf(";",len); 

	   if (end == -1) end = document.cookie.length; 

	   return unescape(document.cookie.substring(len,end)); 

	} 

	// This function has been slightly modified

	function Set_Cookie(name,value,expires,path,domain,secure) { 

		expires = expires * 60*60*24*1000;

		var today = new Date();

		var expires_date = new Date( today.getTime() + (expires) );

	    var cookieString = name + "=" +escape(value) + 

	       ( (expires) ? ";expires=" + expires_date.toGMTString() : "") + 

	       ( (path) ? ";path=" + path : "") + 

	       ( (domain) ? ";domain=" + domain : "") + 

	       ( (secure) ? ";secure" : ""); 

	    document.cookie = cookieString; 

	} 

	

	function expandAll()

	{

		var menuItems = dhtmlgoodies_tree2.getElementsByTagName('LI');

		for(var no=0;no<menuItems.length;no++){

			var subItems = menuItems[no].getElementsByTagName('UL');

			if(subItems.length>0 && subItems[0].style.display!='block'){

				showHideNode(false,menuItems[no].id.replace(/[^0-9]/g,''));

			}			

		}

	}

	

	function collapseAll()

	{

		var menuItems = dhtmlgoodies_tree2.getElementsByTagName('LI');

		for(var no=0;no<menuItems.length;no++){

			var subItems = menuItems[no].getElementsByTagName('UL');

			if(subItems.length>0 && subItems[0].style.display=='block'){

				showHideNode(false,menuItems[no].id.replace(/[^0-9]/g,''));

			}			

		}		

	}

			

	function showHideNode(e,inputId)

	{

		if(inputId){

			if(!document.getElementById('dhtmlgoodies_tree2Node'+inputId))return;

			thisNode = document.getElementById('dhtmlgoodies_tree2Node'+inputId).getElementsByTagName('IMG')[0]; 

		}else {

			thisNode = this;

		}

		if(thisNode.style.visibility=='hidden')return;

		var parentNode = thisNode.parentNode;

		inputId = parentNode.id.replace(/[^0-9]/g,'');

		if(thisNode.src.indexOf('plus')>=0){

			thisNode.src = thisNode.src.replace('plus','minus');

			parentNode.getElementsByTagName('UL')[0].style.display='block';

			if(!initExpandedNodes)initExpandedNodes = ',';

			if(initExpandedNodes.indexOf(',' + inputId + ',')<0) initExpandedNodes = initExpandedNodes + inputId + ',';

			

		}else{

			thisNode.src = thisNode.src.replace('minus','plus');

			parentNode.getElementsByTagName('UL')[0].style.display='none';

			initExpandedNodes = initExpandedNodes.replace(',' + inputId,'');

		}	

		Set_Cookie('dhtmlgoodies_expandedNodes',initExpandedNodes,500);

	}



	function okToNavigate()

	{

		if(editCounter<10)return true;

		return false;		

	}

	

	var editCounter = -1;

	var editEl = false;

	

	function initEditLabel()

	{	

		if(editEl)hideEdit();

		editCounter = 0;

		editEl = this;	// Referenc to a Tag

		startEditLabel();

	}

	

	function startEditLabel()

	{

		if(editCounter>=0 && editCounter<10){

			editCounter = editCounter + 1;

			setTimeout('startEditLabel()',timeoutEdit);

			return;

		}

		if(editCounter==10){

			var el = editEl.previousSibling;

			el.value = editEl.innerHTML;

			editEl.style.display='none';

			el.style.display='inline';	

			el.select();

			return;

		}		

	}

	

	function showUpdate()

	{

		document.getElementById('ajaxMessage').innerHTML = ajax.response;

		//document.getElementById('ajaxMessage').innerHTML = '<img src="../images/loading_icon_small.gif">';



	}

	

	function hideEdit()

	{				

		var editObj = editEl.previousSibling;	

		if(editObj.value.length>0){

			editEl.innerHTML = editObj.value;	

			ajax.requestFile = fileName + '?updateNode='+editObj.id.replace(/[^0-9]/g,'') + '&newValue='+editObj.value;	// Specifying which file to get

			ajax.onCompletion = showUpdate;	// Specify function that will be executed after file has been found

			ajax.runAJAX();		// Execute AJAX function

						

		}

		editEl.style.display='inline';

		editObj.style.display='none';

		editEl = false;			

		editCounter=-1;

	}

	

	function mouseUpEvent()

	{

		editCounter=-1;		

	}

	

	function initTree()

	{

		dhtmlgoodies_tree2 = document.getElementById('dhtmlgoodies_tree2');

		var menuItems = dhtmlgoodies_tree2.getElementsByTagName('LI');	// Get an array of all menu items

		for(var no=0;no<menuItems.length;no++){

			var subItems = menuItems[no].getElementsByTagName('UL');

			var img = document.createElement('IMG');

			img.src = imageFolder + plusImage;

			img.onclick = showHideNode;

			if(subItems.length==0)img.style.visibility='hidden';

			var aTag = menuItems[no].getElementsByTagName('A')[0];

			

			if(aTag.id)numericId = aTag.id.replace(/[^0-9]/g,'');else numericId = (no+1);

			

			aTag.id = 'dhtmlgoodies_tree2NodeLink' + numericId;

			

			var input = document.createElement('INPUT');

			input.style.width = '200px';

			input.style.display='none';

			menuItems[no].insertBefore(input,aTag);

			input.id = 'dhtmlgoodies_tree2NodeInput' + numericId;

			input.onblur = hideEdit;

						

			menuItems[no].insertBefore(img,input);

			menuItems[no].id = 'dhtmlgoodies_tree2Node' + numericId;

			aTag.onclick = okToNavigate;

			aTag.onmousedown = initEditLabel;

			var folderImg = document.createElement('IMG');

			if(menuItems[no].className){

				folderImg.src = imageFolder + menuItems[no].className;

			}else{

				folderImg.src = imageFolder + folderImage;

			}

			menuItems[no].insertBefore(folderImg,input);

		}	

		

		initExpandedNodes = Get_Cookie('dhtmlgoodies_expandedNodes');

		if(initExpandedNodes){

			var nodes = initExpandedNodes.split(',');

			for(var no=0;no<nodes.length;no++){

				if(nodes[no])showHideNode(false,nodes[no]);	

			}			

		}	

		

		document.documentElement.onmouseup = mouseUpEvent;

	}

	

	window.onload = initTree;