//--------------------------------------------------------------------------------------------------
// All material contained within this document and associated downloaded pages 
// is the property of 4thorder(TM) unless otherwise noted
// Copyright © 2005.  All rights reserved.
//
// Author: Michael Falatine || Authors email: 4thorder@4thorder.us
//
// USAGE: You may use this script for commercial or personal use, however, the copyright is retained-
// by 4thorder (TM).
//
// For other free Scripts visit: http://www.4thorder.us/Scripts/
//---------------------------------------------------------------------------------------------------

//-----------------begin insertAdjacent code-----------------------------------------------------
// This portion written by Thor Larholm thor@jscript.dk
// Allows for insertAdjacentHTML(), insertAdjacentText() and insertAdjacentElement()
// functionality in Netscape / Mozilla /Opera

if (typeof HTMLElement != "undefined" && !HTMLElement.prototype.insertAdjacentElement) {
	HTMLElement.prototype.insertAdjacentElement = function(where, parsedNode) {
		switch (where) {
			case 'beforeBegin':
				this.parentNode.insertBefore(parsedNode,this)
				break;
			case 'afterBegin':
				this.insertBefore(parsedNode,this.firstChild);
				break;
			case 'beforeEnd':
				this.appendChild(parsedNode);
				break;
			case 'afterEnd':
				if (this.nextSibling)
					this.parentNode.insertBefore(parsedNode, this.nextSibling);
				else
					this.parentNode.appendChild(parsedNode);
				break;
		}
	}

	HTMLElement.prototype.insertAdjacentHTML = function(where, htmlStr) {
		var r = this.ownerDocument.createRange();
		r.setStartBefore(this);
		var parsedHTML = r.createContextualFragment(htmlStr);
		this.insertAdjacentElement(where, parsedHTML)
	}

	HTMLElement.prototype.insertAdjacentText = function(where, txtStr) {
		var parsedText = document.createTextNode(txtStr)
		this.insertAdjacentElement(where,parsedText)
	}
}
//----------------------end insertAdjacent code-------------------------------------------------------

// ::::::::::::::::::::::::::
// ::   Global Variables   ::
// ::::::::::::::::::::::::::
var firstLoad     = 0;
var GlobalECState = 0;

// ::::::::::::::::::::::::::
// ::   Global Functions   ::
// ::::::::::::::::::::::::::

// lancement déporté à la fin des skins accueil et autrepages
//window.onload = InitializePage;

function InitializePage() {
	//alert("InitializePage");
	defineLayout();
	/*createTopMenu();*/
	prepareListStyles();
	setLEVELs();
	Icons();

	// Modif CLQ : prise en compte de la page affichée
	expandOnLoad();
	Icons();
	// Fin modif CLQ
	
	attachEventhandlers();
}

function defineLayout() {
	// Set Page position
	

document.getElementById("MDME").style.position = "relative";
	//document.getElementById("MDME").style.left     = PagePositionLEFT + "px";
	//document.getElementById("MDME").style.top      = PagePositionTOP + "px";


	document.getElementById("MDME").style.zIndex   = 50;
}

function setLEVELs() {
	ULCollection = document.getElementById("MDME").getElementsByTagName("UL");

	if (ULCollection.length==0)
		return;

	ULCollection.item(0).setAttribute("level", 1);

	// Initally set all LI to level 1
	LICollection = document.getElementById("MDME").getElementsByTagName("LI");
	for (a=0; a<LICollection.length;a++) {
		LICollection.item(a).setAttribute("level", 1);
	}

	// Set all non-level 1 LI to respective levels
	if (ULCollection != null) {
		for (u=0; u<ULCollection.length; u++) {
			var ULChildrenCollection = ULCollection.item(u).getElementsByTagName("UL");
			for (l=0; l<ULChildrenCollection.length; l++) {
				var previousLevel = parseInt(ULCollection.item(u).getAttribute("level"));
				ULChildrenCollection.item(l).setAttribute("level", previousLevel+1);
				var LIChildrenCollection = ULChildrenCollection.item(l).getElementsByTagName("LI");
				for (m=0; m<LIChildrenCollection.length; m++) {
					LIChildrenCollection.item(m).setAttribute("level", previousLevel+1);
				}
			}
		}
	}
}

/*
function createTopMenu()
{
if(showECOption=='yes' && oneBranch!='yes')
	{
	var str='';
	str+='<TABLE border="0" cellpadding="2" cellspacing="0" class="topMenu">';
	str+='<TR>';
	str+='<TD id="expandAllMenuItem" onClick="ECALL(1)">';
	if(imageEXPANDALL=="")
		{str+='Expand ALL<\/TD>';	}	
	else
		{str+='<IMG border="0" src="MDMEImages\/'+imageEXPANDALL+'" alt="Expand ALL"><\/TD>';}
	str+='<TD id="collapseAllMenuItem" onClick="ECALL(0)">';
	if(imageCOLLAPSEALL=="")
		{str+='Collapse ALL<\/TD>';}	
	else	
		{str+='<IMG border="0" src="MDMEImages\/'+imageCOLLAPSEALL+'" alt="Collapse ALL"><\/TD>';}
	str+='<\/TR>';
	str+='<\/TABLE>';
	document.getElementById("MDME").insertAdjacentHTML("afterBegin", str);

	if(GlobalECState==0)
		{document.getElementById("expandAllMenuItem").style.display='inline'; 
		document.getElementById("collapseAllMenuItem").style.display='none';}
	else
		{document.getElementById("expandAllMenuItem").style.display='none'; 
		document.getElementById("collapseAllMenuItem").style.display='inline'}
	}
}
*/

function prepareListStyles() {
	ULCollection = document.getElementById("MDME").getElementsByTagName("UL");
	if (ULCollection != null) {
		for (u=0; u<ULCollection.length; u++) {
			ULCollection.item(u).style.listStyleType = "none";
			ULCollection.item(u).setAttribute("id", "ULID"+u);
		}
	}
}

function attachEventhandlers() {
	// Attach event handlers to all images within container
	LICollection = document.getElementById("MDME").getElementsByTagName("LI");
	if (LICollection != null) {
		for (l=0; l<LICollection.length; l++)
			LICollection.item(l).onmouseup = onMouseUpHandler;
	}
	/*
	// Set Transparency level
	if(navigator.appName == 'Microsoft Internet Explorer')
		{
		document.getElementById('MDME').style.filter="progid:DXImageTransform.Microsoft.Alpha(opacity="+TValue+")"
		}
	else
		{
		document.getElementById('MDME').style.MozOpacity=1;
		TValue=parseFloat(TValue/100-.001); // .001 is fix for moz opacity/image bug
		document.getElementById('MDME').style.MozOpacity=TValue;}
	*/
}

/*
function ECALL(o) // Expand or Collapse "ALL" routine
{
//strip all images
LICollection=document.getElementById("MDME").getElementsByTagName("LI");
	if (LICollection!=null)
		{
		for (d=0; d<LICollection; d++)
			{LICollection.item(i).style.listStyleImage="none";}}
			
firstLoad=0; GlobalECState=o; Icons();
if(showECOption=='yes' && oneBranch!='yes')
	{
	if(GlobalECState==0)
		{document.getElementById("expandAllMenuItem").style.display='inline'; 
		document.getElementById("collapseAllMenuItem").style.display='none';}
	else
		{document.getElementById("expandAllMenuItem").style.display='none'; 
		document.getElementById("collapseAllMenuItem").style.display='inline'}
	}
}
*/

function Icons(tarObj) {
	LICollection = document.getElementById("MDME").getElementsByTagName("LI");
	// Loop through and insert icons at LI elements with children
	if (LICollection != null) {
		for (i=0; i<LICollection.length; i++) {
			// Collection used to determine if list item has UL children
			ULChildrenCol = LICollection.item(i).getElementsByTagName("UL");
			// If children then put a "-" or "+" on folder depending on ECState or GlobalECState
			//Set ECState attributes
			if (ULChildrenCol.length > 0) {
				// Yes HAS Children
				// Grab first UL underneath LI
				FirstULWithinLI_ELEMENT = LICollection.item(i).getElementsByTagName("UL");
				if (firstLoad == 0) {
					// Yes: FIRST LOAD OF PAGE -- insert image
					if (GlobalECState == 0) {
						// Global ECState is COLLAPSED (+)	(0)
						// set ECState, attach image to LI, Hide UL children				
						LICollection.item(i).setAttribute("ECState",0);
						/*
						if(imagePLUS!='')
							{	LICollection.item(i).style.listStyleImage='url(MDMEImages/'+imagePLUS+')';
								LICollection.item(i).style.listStylePosition='inside';}
						LICollection.item(i).style.cursor="pointer";
						*/
						FirstULWithinLI_ELEMENT.item(0).style.display = "none";
					} else {
						// Global ECState is EXPANDED (-) (1)
						// set ECState, attach image to LI, Show UL children
						LICollection.item(i).setAttribute("ECState",1);
						/*
						if(imageMINUS!='')
							{	LICollection.item(i).style.listStyleImage='url(MDMEImages/'+imageMINUS+')';
								LICollection.item(i).style.listStylePosition='inside';}
						LICollection.item(i).style.cursor="pointer";
						*/
						FirstULWithinLI_ELEMENT.item(0).style.display = "block";
					}
				} else {
					// No: FIRST LOAD OF PAGE - change image
					//	Grab ECState of image and expand or collapse branch
					State = LICollection.item(i).getAttribute("ECState");
					if (State == 0) {
						// ECState is COLLAPSED (+) (0)
						// Change Image and set cursor style
						/*
						if(imagePLUS!='') {
							LICollection.item(i).style.listStyleImage='url(MDMEImages/'+imagePLUS+')';
							LICollection.item(i).style.listStylePosition='inside';}
						*/
						// Hide UL
						FirstULWithinLI_ELEMENT.item(0).style.display = "none";
					} else {
						// ECState is EXPANDED (-) (1)				
						// If option activated: Rountine to close all branches on same level as target but NOT target
						if (oneBranch == 'yes' && tarObj != null) {
							targetLevel = tarObj.getAttribute("level");
							tarObjParentLICol = tarObj.parentNode.getElementsByTagName("LI");
							for (tar=0; tar<tarObjParentLICol.length; tar++) {
								ItemLevel = tarObjParentLICol.item(tar).getAttribute("level");
								if (targetLevel == ItemLevel) {
									tarObjParentLIULCol = tarObjParentLICol.item(tar).getElementsByTagName("UL");
									if (tarObjParentLIULCol.length != 0 && tarObj != tarObjParentLICol.item(tar)) {
										tarObjParentLIULCol.item(0).style.display = "none";
										if (imagePLUS != '') {
											/*
											tarObjParentLICol.item(tar).style.listStyleImage='url(MDMEImages/'+imagePLUS+')';
											tarObjParentLICol.item(tar).style.listStylePosition='inside';
											*/
											tarObjParentLICol.item(tar).setAttribute("ECState", 0);
										}
									}
								}
							}
						}
						// Change Image and set cursor style
						/*
						if(imageMINUS!='')
							{	LICollection.item(i).style.listStyleImage='url(MDMEImages/'+imageMINUS+')';
								LICollection.item(i).style.listStylePosition='inside';}
						*/
						// Show UL
						FirstULWithinLI_ELEMENT.item(0).style.display = "block";
					}
				}
			} else {
				LICollection.item(i).style.listStyleImage = "none";
			}
		}
	}
	if (firstLoad == 0) {
		firstLoad = 1;
	}
	/*
	if(showECOption=='yes' && oneBranch!='yes') {
		document.getElementById('expandAllMenuItem').style.cursor   = "pointer";
		document.getElementById('collapseAllMenuItem').style.cursor = "pointer";
	}
	*/
}

// ::::::::::::::::::::::::
// ::   Event Handlers   ::
// ::::::::::::::::::::::::

function onMouseUpHandler(e) {
	// Browser compatibility code
	var tarObj;
	if (!e)
		var e = window.event;
	if (e.target)
		tarObj= e.target;
	else if (e.srcElement)
		tarObj = e.srcElement;
	if (tarObj.nodeType == 3) // defeat Safari bug
		tarObj = tarObj.parentNode;
		
	tarObj = findTH(tarObj);
	
	//Patch exakis ade 04/05/2005 - pour éviter un objet vide sur le fond du dernier niveau
	if (!tarObj)
		return false;

	// Toggle ECState
	State = tarObj.getAttribute("ECState");
	if (State == 0) {
		tarObj.setAttribute("ECState", 1);
	} else {
		tarObj.setAttribute("ECState", 0);
	}

	Icons(tarObj);
	e.cancelBubble = true;

//Pact Exakis Ade - 14/06/2005 - on retourne faux pour empecher le scroll de la page
	return false;
}

function findTH(t) {
	if (t.tagName == "LI") {
		return t;
	} else if (t.tagName == "UL") {
		return null;
	} else {
		return findTH(t.parentNode);
	}
}


/**
 *	function testExpandOnLoad :	Initialize ESCState of LI elmts based on currently displayed DNN page
 *	remarks	:					Only usable with DNN/ExakisHybridMenu and if LI parents are UL elmts and if UL Parents are LI elmts (exept for the first level of course)
 *  
**/
function expandOnLoad() {
	var tabId = null;
	
	// get the DNN tabId
	tabId = location.search.substr(location.search.indexOf("=")+1);
	//alert("tabId = " + tabId); 


	// get all <LI> elmts of the menu and search the first one with tabId as attribute 'tabID'
	LICollection = document.getElementById("MDME").getElementsByTagName("LI");
	if (LICollection != null) {
		for (i=0; i<LICollection.length; i++) {
			crtTabID = LICollection.item(i).getAttribute("tabID");
			if (crtTabID == tabId) {
				//alert("found tab!");
				setMenuOpen(LICollection.item(i).parentNode);	// on part de l'elmt du dessus car ouvrir l'elmt trouvé => affiche menu du dessous
				return;
			}
		}
	}
	else {
		//alert("LICollection vide!");
		return;
	}
}

// attention : la fonction setLEVELs doit déjà avoir été appelée pour initialiser les attributs 'level'
function setMenuOpen(theElmt) {
	//alert("setMenuOpen tag = " + theElmt.tagName);
	if (theElmt.tagName == "LI") {
		level = theElmt.getAttribute("level");
		//alert("setMenuOpen processing LI level " + level);
		if (level <= 2)	// menu ouverts
			theElmt.setAttribute("ECState",1);
		if (level == 1)
			return;
	}
	parentNode = theElmt.parentNode;
	if (parentNode != null)
		setMenuOpen(theElmt.parentNode);
}