// +----------------------------------------------------------------------------+
// | <G a n e s h a> - Free Web Based Training System                           |
// +----------------------------------------------------------------------------+
// | <G a n e s h a> - Plate-forme de téléformation gratuite et en open source  |
// +----------------------------------------------------------------------------|
// | Copyright (C) 2000-2003  Anéma Formation  <http://www.anema.fr/>           |
// +----------------------------------------------------------------------------+
// |           Developer : Georges CALDEIRA <gcaldeira@anemalab.org>            |
// +----------------------------------------------------------------------------+
// |              Infos on project <http://anemalab.org/>                       |
// +----------------------------------------------------------------------------+
// | This program is free software; you can redistribute it and/or modify       |
// | it under the terms of the GNU General Public License as published by       |
// | the Free Software Foundation; either version 2 of the License, or          |
// | (at your option) any later version.                                        |
// |                                                                            |
// | This program is distributed in the hope that it will be useful,            |
// | but WITHOUT ANY WARRANTY; without even the implied warranty of             |
// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the              |
// | GNU General Public License for more details.                               |
// |                                                                            |
// | You should have received a copy of the GNU General Public License          |
// | along with this program; if not, write to the Free Software                |
// | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA   |
// +----------------------------------------------------------------------------+


	/*********************************************************/
	function VerifSearch(form) {
		if (form.text1.value=="") {
			alert (lang[0]);
			form.text1.focus();
			return ;
		}
		form.submit();
	}

	/*********************************************************/
	function VerifSearchBar(form) {
	/*
		if (form.text2.value=="") {
			alert (lang[0]);
			form.text2.focus();
			return ;
		}
	*/
		form.submit();
	}

	/*********************************************************/
	function VerifPost(form) {
		if ( form.text1.value=="" ) {
			alert (lang[2]);
			form.text1.focus();
			return ;
		}
		if ( form.text2.value=="" ) {
			alert (lang[3]);
			form.text2.focus();
			return ;
		}
		form.submit();
	}

	/*********************************************************/
	function ValiderFormFicheInfos(form){
		if (form.text3.value == "" )   {
			alert (lang[4]);
			form.text3.focus();
			return;
		}
		if (form.text4.value == "" )   {
			alert (lang[5]);
			form.text4.focus();
			return;
		}
		form.submit();
	}

	/*********************************************************/
	function ValiderFormFicheLogin(form){
		if (form.text2.value == "" )   {
			alert (lang[9]);
			form.text2.focus();
			return;
		}
		if (form.text3.value == "" )   {
			alert (lang[10]);
			form.text3.focus();
			return;
		}
		if (form.text4.value == "" )   {
			alert (lang[11]);
			form.text4.focus();
			return;
		}
		if (form.text3.value != form.text4.value)   {
			alert (lang[12]);
			form.text4.focus();
			return;
		}
		// test si pwd different
		if ( form.old_password.value!=form.text3.value) {
		  if (form.crypt.value == 'md5' ) {
		     form.text3.value = MD5(form.text3.value) ;
		     form.text4.value = form.text3.value ;
      }
    }
		form.submit();
	}


	/*********************************************************/
	function ValiderFormQuestion(form){
		if (form.prenom.value == "" )   {
			alert (lang[5]);
			form.prenom.focus();
			return;
		}
		if (form.nom.value == "" )   {
			alert (lang[4]);
			form.nom.focus();
			return;
		}
		if (form.subject.value == "" )   {
			alert (lang[2]);
			form.subject.focus();
			return;
		}
		if (form.message.value == "" )   {
			alert (lang[3]);
			form.message.focus();
			return;
		}
		form.submit();
	}

	/*********************************************************/
	function ValiderFormMsg(form){
		if (form.text3.value == "" )   {
			alert (lang[2]);
			form.text3.focus();
			return;
		}
		if (form.text4.value == "" )   {
			alert (lang[3]);
			form.text4.focus();
			return;
		}
		form.submit();
	}

	/*********************************************************/
	function ValiderFormPlanning(form)  {
		if (form.text1.value == "" )    {
			alert (lang[14]);
			form.text1.focus();
			return;
		}
		form.submit();
	}

	/*********************************************************/
	function ValiderFormFile(form)  {
		if (form.text1.value == "" )    {
			alert (lang[15]);
			form.text1.focus();
			return;
		}
		if (form.text3.value == "" )    {
			alert (lang[16]);
			form.text3.focus();
			return;
		}
		form.submit();
	}

	/*********************************************************/
	function ValiderFormComment(form)  {
		if (form.text1.value == "" )    {
			alert (lang[17]);
			form.text1.focus();
			return;
		}
		form.submit();
	}

	/*********************************************************/
	function DeleteFile(url)  {
		ans=window.confirm(lang[18]);
		if(ans)	{
			window.location.replace(url);
		}
	}

	/*********************************************************/
	function DeleteForumPost(url)  {
		ans=window.confirm('SUPPRIMER LE POST');
		if(ans)	{
			window.location.replace(url);
		}
	}


	/*********************************************************/
	function openWindow(theURL,winName,features) {
		window.open(theURL,winName,features);
	}

	/*********************************************************/
	function DeleteMessage(url){
		ans=window.confirm(lang[19]);
		if(ans){ window.location.replace(url);}
	}


/*********************************************************/
function setPointer(theRow, theAction, theDefaultColor, thePointerColor) {
    var theCells = null;

    if ( thePointerColor == '' || typeof(theRow.style) == 'undefined' ) {
        return false;
    }

    if (typeof(document.getElementsByTagName) != 'undefined') {
        theCells = theRow.getElementsByTagName('td');
    }
    else if (typeof(theRow.cells) != 'undefined') {
        theCells = theRow.cells;
    }
    else {
        return false;
    }

    // 3. Gets the current color...
    var rowCellsCnt  = theCells.length;
    var domDetect    = null;
    var currentColor = null;
    var newColor     = null;
    // 3.1 ... with DOM compatible browsers except Opera that does not return
    //         valid values with "getAttribute"
    if (typeof(window.opera) == 'undefined'
        && typeof(theCells[0].getAttribute) != 'undefined') {
        currentColor = theCells[0].getAttribute('bgcolor');
        domDetect    = true;
    }
    // 3.2 ... with other browsers
    else {
        currentColor = theCells[0].style.backgroundColor;
        domDetect    = false;
    } // end 3

    // 4. Defines the new color
    // 4.1 Current color is the default one
    if (currentColor == ''
        || currentColor.toLowerCase() == theDefaultColor.toLowerCase()) {
        if (theAction == 'over' && thePointerColor != '') {
            newColor = thePointerColor;
        }
    }
    // 4.1.2 Current color is the pointer one
    else if (currentColor.toLowerCase() == thePointerColor.toLowerCase()) {
        if (theAction == 'out') {
            newColor = theDefaultColor;
        }
    } // end 4

    // 5. Sets the new color...
    if (newColor) {
        var c = null;
        // 5.1 ... with DOM compatible browsers except Opera
        if (domDetect) {
            for (c = 0; c < rowCellsCnt; c++) {
                theCells[c].setAttribute('bgcolor', newColor, 0);
            } // end for
        }
        // 5.2 ... with other browsers
        else {
            for (c = 0; c < rowCellsCnt; c++) {
                theCells[c].style.backgroundColor = newColor;
            }
        }
    } // end 5

    return true;
};






/***********************************************************************/
/**
* modifications Eric Villard <evillard@nef.fr>
* ajout de fonctions javascript
*/

/**
* change the action of a form
* @param	string	theForm		name of the form
* @param	string	theAction	new action
*/
function changeFormAction (theForm, theAction ) {
	theForm.action = theAction;
	theForm.submit();
}

/**
* select or deselect all the options in a select tag of a form
* @param	object	name	the select tag
* @param	boolean	flag	true : select, false : deselect
*/
function selectAll(name, flag) {
	lim = name.length;
	for (var i=0; i<lim; i++) {
		name.options[i].selected=flag;
	}
}

/**
* fonctions de validations des formulaires de gestion d'évaluations annexes
*/
// création d'évaluations
function validerCreeval(form){
	if (form.text0.value == "" )   {
		alert (lang[20]);
		form.text0.focus();
		return;
	}
	if (form.textarea1.value == "" )   {
		alert (lang[21]);
		form.textarea1.focus();
		return;
	}
	form.submit();
}
// modification d'évaluations
function validerModifeval(form){
	if (form.LEval.value == 0 )   {
		alert (lang[22]);
		form.LEval.focus();
		return;
	}
	if (form.text0.value == "" )   {
		alert (lang[20]);
		form.text0.focus();
		return;
	}
	if (form.textarea1.value == "" )   {
		alert (lang[21]);
		form.textarea1.focus();
		return;
	}
	form.submit();
}
// suppression d'évaluations
function validerSuppreval(form){
	if (form.elements[0].value == "" )   {
		alert (lang[23]);
		return;
	}
	form.submit();
}
// assignation d'évaluations
function validerAssigneval(form){
	if (form.elements[1].value == "" )   {
		alert (lang[24]);
		return;
	}
	if (form.elements[4].value == "" )   {
		alert (lang[25]);
		return;
	}
	form.submit();
}
// suppression de session
function validerSupprSession(form){
	if (form.elements[1].value == 0 )   {
		alert (lang[26]);
		return;
	}
	if (form.elements[2].value == "" )   {
		alert (lang[27]);
		return;
	}
	form.submit();
}
// création de rapports d'évaluations
function validerCrerap(form){
	// évaluations
	if (form.LEval.value == 0 )   {
		alert (lang[22]);
		form.LEval.focus();
		return;
	}
	// stagiaire
	if (form.LStagiaire.value == 0 )   {
		alert (lang[26]);
		form.LStagiaire.focus();
		return;
	}
	// tuteur
	if (form.LTuteur.value == 1 )   {
		alert (lang[28]);
		form.LTuteur.focus();
		return;
	}
	// date
	// jour
	if (form.text1.value == "" )   {
		alert (lang[29]);
		form.text1.focus();
		return;
	} else if (parseInt(form.text1.value) > 31 || parseInt(form.text1.value) < 1 || isNaN(parseInt(form.text1.value))) {
		alert (lang[30]);
		form.text1.value = "";
		form.text1.focus();
		return;
	}
	// mois
	if (form.text2.value == "" )   {
		alert (lang[31]);
		form.text2.focus();
		return;
	} else if (parseInt(form.text2.value) > 12 || parseInt(form.text2.value) < 1 || isNaN(parseInt(form.text2.value))) {
		alert (lang[32]);
		form.text2.value = "";
		form.text2.focus();
		return;
	}
	// année
	if (form.text3.value == "" )   {
		alert (lang[33]);
		form.text3.focus();
		return;
	} else if (parseInt(form.text3.value) < 1900 || isNaN(parseInt(form.text3.value))) {
		alert (lang[34]);
		form.text3.value = "";
		form.text3.focus();
		return;
	}
	// temps
	// heures
	if (form.text5.value == "" || parseInt(form.text5.value) < 0)   {
		form.text5.value = 0;
	} else if (isNaN(parseInt(form.text5.value))) {
		alert (lang[35]);
		form.text5.value = "";
		form.text5.focus();
		return;
	}
	// minutes
	if (form.text6.value == "" || parseInt(form.text6.value) < 0)   {
		form.text6.value = 0;
	} else if (isNaN(parseInt(form.text6.value))) {
		alert (lang[36]);
		form.text6.value = "";
		form.text6.focus();
		return;
	} else if (parseInt(form.text6.value) > 59) {
		form.text5.value = parseInt(form.text5.value)+1;
		form.text6.value = parseInt(form.text6.value)-60;
	}
	form.submit();
}
// création de rapports d'évaluations
function validerModifrap(form){
	// stagiaire
	if (form.LStagiaire.value == 0 )   {
		alert (lang[26]);
		form.LStagiaire.focus();
		return;
	}
	// évaluations
	if (form.LEval.value == 0 )   {
		alert (lang[22]);
		form.LEval.focus();
		return;
	}
	// tuteur
	if (form.LTuteur.value == 1 )   {
		alert (lang[28]);
		form.LTuteur.focus();
		return;
	}
	// date
	// jour
	if (form.text1.value == "" )   {
		alert (lang[29]);
		form.text1.focus();
		return;
	} else if (parseInt(form.text1.value) > 31 || parseInt(form.text1.value) < 1 || isNaN(parseInt(form.text1.value))) {
		alert (lang[30]);
		form.text1.value = "";
		form.text1.focus();
		return;
	}
	// mois
	if (form.text2.value == "" )   {
		alert (lang[31]);
		form.text2.focus();
		return;
	} else if (parseInt(form.text2.value) > 12 || parseInt(form.text2.value) < 1 || isNaN(parseInt(form.text2.value))) {
		alert (lang[32]);
		form.text2.value = "";
		form.text2.focus();
		return;
	}
	// année
	if (form.text3.value == "" )   {
		alert (lang[33]);
		form.text3.focus();
		return;
	} else if (parseInt(form.text3.value) < 1900 || isNaN(parseInt(form.text3.value))) {
		alert (lang[34]);
		form.text3.value = "";
		form.text3.focus();
		return;
	}
	// temps
	// heures
	if (form.text5.value == "" || parseInt(form.text5.value) < 0)   {
		form.text5.value = 0;
	} else if (isNaN(parseInt(form.text5.value))) {
		alert (lang[35]);
		form.text5.value = "";
		form.text5.focus();
		return;
	}
	// minutes
	if (form.text6.value == "" || parseInt(form.text6.value) < 0)   {
		form.text6.value = 0;
	} else if (isNaN(parseInt(form.text6.value))) {
		alert (lang[36]);
		form.text6.value = "";
		form.text6.focus();
		return;
	} else if (parseInt(form.text6.value) > 59) {
		form.text5.value = parseInt(form.text5.value)+1;
		form.text6.value = parseInt(form.text6.value)-60;
	}
	form.submit();
}
// suppression d'évaluations
function validerSupprrap(form){
	if (form.elements[1].value == 0 )   {
		alert (lang[26]);
		return;
	}
	if (form.elements[2].value == "" )   {
		alert (lang[37]);
		return;
	}
	form.submit();
}

	/*********************************************************/
	function ValidCreateDirectory(form) {
		if ( form.directory.value == '' ) {
			alert(lang[40]);
			form.directory.focus();
			return(false);
		}
		form.submit();
	}

	/*********************************************************/
	function VerifMail(form) {
		var adresse = form.email.value	;
		if (adresse == "" )   {
			alert (lang[55]);
			form.email.focus();
			return;
		}
		var place   = adresse.indexOf("@",1);
		var point   = adresse.indexOf(".",place+1);
		if ((place > -1)&&(adresse.length >2)&&(point > 1)) {
			return(true);
		} else {
			alert(lang[54]);
			form.email.focus();
			return(false);
		}
	}

	/*********************************************************/
	function ValiderFormInscr(form){
		if (form.nom.value == "" )   {
			alert (lang[4]);
			form.nom.focus();
			return;
		}
		if (form.prenom.value == "" )   {
			alert (lang[5]);
			form.prenom.focus();
			return;
		}
		if ( ! VerifMail(form) ) {
			return;
		}
		if (form.adresse.value == "" )   {
			alert (lang[6]);
			form.adresse.focus();
			return;
		}
		if (form.cp.value == "" )   {
			alert (lang[7]);
			form.cp.focus();
			return;
		}
		if (form.ville.value == "" )   {
			alert (lang[8]);
			form.ville.focus();
			return;
		}
		form.submit();
	}

	/*********************************************************/
	function verifcode(form) {
		if ( form.code.value == '' ) {
			alert(lang[49]);
			form.code.focus();
			return(false);
		}
		form.submit();
	}


// +-----------------------------------------------------------------------+
// | Copyright (c) 2002-2003, Richard Heyes, Harald Radi                        |
// | All rights reserved.                                                  |
// |                                                                       |
// | Redistribution and use in source and binary forms, with or without    |
// | modification, are permitted provided that the following conditions    |
// | are met:                                                              |
// |                                                                       |
// | o Redistributions of source code must retain the above copyright      |
// |   notice, this list of conditions and the following disclaimer.       |
// | o Redistributions in binary form must reproduce the above copyright   |
// |   notice, this list of conditions and the following disclaimer in the |
// |   documentation and/or other materials provided with the distribution.|
// | o The names of the authors may not be used to endorse or promote      |
// |   products derived from this software without specific prior written  |
// |   permission.                                                         |
// |                                                                       |
// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS   |
// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT     |
// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
// | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT  |
// | OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
// | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT      |
// | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
// | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
// | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT   |
// | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
// | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.  |
// |                                                                       |
// +-----------------------------------------------------------------------+
// | Author: Richard Heyes <richard@phpguru.org>                           |
// |         Harald Radi <harald.radi@nme.at>                              |
// +-----------------------------------------------------------------------+
//
// $Id: fonctions.js,v 1.6 2004/08/12 15:55:08 georges Exp $

/**
* Function to create copies of objects which are
* normally passed around by references (Arrays for example)
*/
function arrayCopy(input)
{
	var output = new Array(input.length);

	for (i in input) {
		if (typeof(input[i]) == 'array') {
			output[i] = arrayCopy(input[i]);
		} else {
			output[i] = input[i];
		}
	}

	return output;
}

/**
* TreeMenu class
*/
	function TreeMenu(iconpath, myname, linkTarget, defaultClass, usePersistence, noTopLevelImages)
	{
		// Properties
		this.iconpath         = iconpath;
		this.myname           = myname;
		this.linkTarget       = linkTarget;
		this.defaultClass     = defaultClass;
		this.usePersistence   = usePersistence;
		this.noTopLevelImages = noTopLevelImages;
		this.n                = new Array();
		this.output           = '';

		this.nodeRefs       = new Array();
		this.branches       = new Array();
		this.branchStatus   = new Array();
		this.layerRelations = new Array();
		this.childParents   = new Array();
		this.cookieStatuses = new Array();

		this.preloadImages();
	}

/**
* Adds a node to the tree
*/
	TreeMenu.prototype.addItem = function (newNode)
	{
		newIndex = this.n.length;
		this.n[newIndex] = newNode;

		return this.n[newIndex];
	}

/**
* Preload images hack for Mozilla
*/
	TreeMenu.prototype.preloadImages = function ()
	{
		var plustop    = new Image; plustop.src    = this.iconpath + '/plustop.gif';
		var plusbottom = new Image; plusbottom.src = this.iconpath + '/plusbottom.gif';
		var plus       = new Image; plus.src       = this.iconpath + '/plus.gif';

		var minustop    = new Image; minustop.src    = this.iconpath + '/minustop.gif';
		var minusbottom = new Image; minusbottom.src = this.iconpath + '/minusbottom.gif';
		var minus       = new Image; minus.src       = this.iconpath + '/minus.gif';

		var branchtop    = new Image; branchtop.src    = this.iconpath + '/branchtop.gif';
		var branchbottom = new Image; branchbottom.src = this.iconpath + '/branchbottom.gif';
		var branch       = new Image; branch.src       = this.iconpath + '/branch.gif';

		var linebottom = new Image; linebottom.src = this.iconpath + '/linebottom.gif';
		var line       = new Image; line.src       = this.iconpath + '/line.gif';
	}

/**
* Main function that draws the menu and assigns it
* to the layer (or document.write()s it)
*/
	TreeMenu.prototype.drawMenu = function ()// OPTIONAL ARGS: nodes = [], level = [], prepend = '', expanded = false, visbility = 'inline', parentLayerID = null
	{
		/**
	    * Necessary variables
	    */
		var output        = '';
		var modifier      = '';
		var layerID       = '';
		var parentLayerID = '';

		/**
	    * Parse any optional arguments
	    */
		var nodes         = arguments[0] ? arguments[0] : this.n
		var level         = arguments[1] ? arguments[1] : [];
		var prepend       = arguments[2] ? arguments[2] : '';
		var expanded      = arguments[3] ? arguments[3] : false;
		var visibility    = arguments[4] ? arguments[4] : 'inline';
		var parentLayerID = arguments[5] ? arguments[5] : null;

		var currentlevel  = level.length;

		for (var i=0; i<nodes.length; i++) {

			level[currentlevel] = i+1;
			layerID = this.myname + '_' + 'node_' + this.implode('_', level);

			/**
            * Store this object in the nodeRefs array
            */
			this.nodeRefs[layerID] = nodes[i];

			/**
	        * Store the child/parent relationship
	        */
			this.childParents[layerID] = parentLayerID;

			/**
	        * Gif modifier
	        */
			if (i == 0 && parentLayerID == null) {
				modifier = nodes.length > 1 ? "top" : 'single';
			} else if(i == (nodes.length-1)) {
				modifier = "bottom";
			} else {
				modifier = "";
			}

			/**
	        * Single root branch is always expanded
	        */
			if (!this.doesMenu() || (parentLayerID == null && (nodes.length == 1 || this.noTopLevelImages))) {
				expanded = true;

			} else if (nodes[i].expanded) {
				expanded = true;

			} else {
				expanded = false;
			}

			/**
	        * Make sure visibility is correct based on parent status
	        */
			visibility =  this.checkParentVisibility(layerID) ? visibility : 'none';

			/**
	        * Setup branch status and build an indexed array
			* of branch layer ids
	        */
			if (nodes[i].n.length > 0) {
				this.branchStatus[layerID] = expanded;
				this.branches[this.branches.length] = layerID;
			}

			/**
	        * Setup toggle relationship
	        */
			if (!this.layerRelations[parentLayerID]) {
				this.layerRelations[parentLayerID] = new Array();
			}
			this.layerRelations[parentLayerID][this.layerRelations[parentLayerID].length] = layerID;

			/**
	        * Branch images
	        */
			var gifname  = nodes[i].n.length && this.doesMenu() && nodes[i].isDynamic ? (expanded ? 'minus' : 'plus') : 'branch';
			var iconName = expanded && nodes[i].expandedIcon ? nodes[i].expandedIcon : nodes[i].icon;
			var iconimg  = nodes[i].icon ? this.stringFormat('<img src="{0}/{1}" width="20" height="20" align="top" id="icon_{2}">', this.iconpath, iconName, layerID) : '';

			/**
			* Add event handlers
			*/
			var eventHandlers = "";
			for (j in nodes[i].events) {
				eventHandlers += this.stringFormat('{0}="{1}" ', j, nodes[i].events[j]);
			}

			/**
	        * Build the html to write to the document
			* IMPORTANT:
			* document.write()ing the string: '<div style="display:...' will screw up nn4.x
	        */
			var layerTag  = this.doesMenu() ? this.stringFormat('<div id="{0}" style="display: {1}" class="{2}">', layerID, visibility, (nodes[i].cssClass ? nodes[i].cssClass : this.defaultClass)) : this.stringFormat('<div class="{0}">', nodes[i].cssClass ? nodes[i].cssClass : this.defaultClass);
			var onMDown   = this.doesMenu() && nodes[i].n.length  && nodes[i].isDynamic ? this.stringFormat('onmousedown="{0}.toggleBranch(\'{1}\', true)" style="cursor: pointer; cursor: hand"', this.myname, layerID) : '';
			var imgTag    = this.stringFormat('<img src="{0}/{1}{2}.gif" width="20" height="20" align="top" border="0" name="img_{3}" {4}>', this.iconpath, gifname, modifier, layerID, onMDown);
			var linkTarget= nodes[i].linkTarget ? nodes[i].linkTarget : this.linkTarget;
			var linkStart = nodes[i].link ? this.stringFormat('<a class="lien" href="{0}" target="{1}">', nodes[i].link, linkTarget) : '';

			var linkEnd   = nodes[i].link ? '</a>' : '';

			this.output += this.stringFormat('{0}<nobr>{1}{2}{3}{4}<span {5}>{6}</span>{7}</nobr><br /></div>\n',
			                  layerTag,
							  prepend,
			                  parentLayerID == null && (nodes.length == 1 || this.noTopLevelImages) ? '' : imgTag,
							  iconimg,
							  linkStart,
							  eventHandlers,
							  nodes[i].title,
							  linkEnd);

			/**
	        * Traverse sub nodes ?
	        */
			if (nodes[i].n.length) {
				/**
	            * Determine what to prepend. If there is only one root
				* node then the prepend to pass to children is nothing.
				* Otherwise it depends on where we are in the tree.
	            */
				if (parentLayerID == null && (nodes.length == 1 || this.noTopLevelImages)) {
					var newPrepend = '';

				} else if (i < (nodes.length - 1)) {
					var newPrepend = prepend + this.stringFormat('<img src="{0}/line.gif" width="20" height="20" align="top">', this.iconpath);

				} else {
					var newPrepend = prepend + this.stringFormat('<img src="{0}/linebottom.gif" width="20" height="20" align="top">', this.iconpath);
				}

				this.drawMenu(nodes[i].n,
				              arrayCopy(level),
				              newPrepend,
				              nodes[i].expanded,
				              expanded ? 'inline' : 'none',
				              layerID);
			}
		}
	}

/**
* Writes the output generated by drawMenu() to the page
*/
	TreeMenu.prototype.writeOutput = function ()
	{
		document.write(this.output);
	}

/**
* Toggles a branches visible status. Called from resetBranches()
* and also when a +/- graphic is clicked.
*/
	TreeMenu.prototype.toggleBranch = function (layerID, updateStatus) // OPTIONAL ARGS: fireEvents = true
	{
		var currentDisplay = this.getLayer(layerID).style.display;
		var newDisplay     = (this.branchStatus[layerID] && currentDisplay == 'inline') ? 'none' : 'inline';
		var fireEvents     = arguments[2] != null ? arguments[2] : true;

		for (var i=0; i<this.layerRelations[layerID].length; i++) {

			if (this.branchStatus[this.layerRelations[layerID][i]]) {
				this.toggleBranch(this.layerRelations[layerID][i], false);
			}

			this.getLayer(this.layerRelations[layerID][i]).style.display = newDisplay;
		}

		if (updateStatus) {
			this.branchStatus[layerID] = !this.branchStatus[layerID];

			/**
	        * Persistence
	        */
			if (this.doesPersistence() && !arguments[2] && this.usePersistence) {
				this.setExpandedStatusForCookie(layerID, this.branchStatus[layerID]);
			}

			/**
			* Fire custom events
			*/
			if (fireEvents) {
				nodeObject = this.nodeRefs[layerID];

				if (nodeObject.ontoggle != null) {
					eval(nodeObject.ontoggle);
				}

				if (newDisplay == 'none' && nodeObject.oncollapse != null) {
					eval(nodeObject.oncollapse);
				} else if (newDisplay == 'inline' && nodeObject.onexpand != null){
					eval(nodeObject.onexpand);
				}
			}

			// Swap image
			this.swapImage(layerID);
		}

		// Swap icon
		this.swapIcon(layerID);
	}

/**
* Swaps the plus/minus branch images
*/
	TreeMenu.prototype.swapImage = function (layerID)
	{
		var imgSrc = document.images['img_' + layerID].src;

		var re = /^(.*)(plus|minus)(bottom|top|single)?.gif$/
		if (matches = imgSrc.match(re)) {

			document.images['img_' + layerID].src = this.stringFormat('{0}{1}{2}{3}',
			                                                matches[1],
															matches[2] == 'plus' ? 'minus' : 'plus',
															matches[3] ? matches[3] : '',
															'.gif');
		}
	}

/**
* Swaps the icon for the expanded icon if one
* has been supplied.
*/
	TreeMenu.prototype.swapIcon = function (layerID)
	{
		if (document.images['icon_' + layerID]) {
			var imgSrc = document.images['icon_' + layerID].src;

			if (this.nodeRefs[layerID].icon && this.nodeRefs[layerID].expandedIcon) {
				var newSrc = (imgSrc.indexOf(this.nodeRefs[layerID].expandedIcon) == -1 ? this.nodeRefs[layerID].expandedIcon : this.nodeRefs[layerID].icon);

				document.images['icon_' + layerID].src = this.iconpath + '/' + newSrc;
			}
		}
	}

/**
* Can the browser handle the dynamic menu?
*/
	TreeMenu.prototype.doesMenu = function ()
	{
		return (is_ie4up || is_nav6up || is_gecko || is_opera7);
	}

/**
* Can the browser handle save the branch status
*/
	TreeMenu.prototype.doesPersistence = function ()
	{
		return (is_ie4up || is_gecko || is_nav6up || is_opera7);
	}

/**
* Returns the appropriate layer accessor
*/
	TreeMenu.prototype.getLayer = function (layerID)
	{
		if (is_ie4) {
			return document.all(layerID);

		} else if (document.getElementById(layerID)) {
			return document.getElementById(layerID);

		} else if (document.all(layerID)) {
			return document.all(layerID);
		}
	}

/**
* Save the status of the layer
*/
	TreeMenu.prototype.setExpandedStatusForCookie = function (layerID, expanded)
	{
		this.cookieStatuses[layerID] = expanded;
		this.saveCookie();
	}

/**
* Load the status of the layer
*/
	TreeMenu.prototype.getExpandedStatusFromCookie = function (layerID)
	{
		if (this.cookieStatuses[layerID]) {
			return this.cookieStatuses[layerID];
		}

		return false;
	}

/**
* Saves the cookie that holds which branches are expanded.
* Only saves the details of the branches which are expanded.
*/
	TreeMenu.prototype.saveCookie = function ()
	{
		var cookieString = new Array();

		for (var i in this.cookieStatuses) {
			if (this.cookieStatuses[i] == true) {
				cookieString[cookieString.length] = i;
			}
		}

		document.cookie = 'TreeMenuBranchStatus=' + cookieString.join(':');
	}

/**
* Reads cookie parses it for status info and
* stores that info in the class member.
*/
	TreeMenu.prototype.loadCookie = function ()
	{
		var cookie = document.cookie.split('; ');

		for (var i=0; i < cookie.length; i++) {
			var crumb = cookie[i].split('=');
			if ('TreeMenuBranchStatus' == crumb[0] && crumb[1]) {
				var expandedBranches = crumb[1].split(':');
				for (var j=0; j<expandedBranches.length; j++) {
					this.cookieStatuses[expandedBranches[j]] = true;
				}
			}
		}
	}

/**
* Reset branch status
*/
	TreeMenu.prototype.resetBranches = function ()
	{
		if (!this.doesPersistence()) {
			return false;
		}

		this.loadCookie();

		for (var i=0; i<this.branches.length; i++) {
			var status = this.getExpandedStatusFromCookie(this.branches[i]);
			// Only update if it's supposed to be expanded and it's not already
			if (status == true && this.branchStatus[this.branches[i]] != true) {
				if (this.checkParentVisibility(this.branches[i])) {
					this.toggleBranch(this.branches[i], true, false);
				} else {
					this.branchStatus[this.branches[i]] = true;
					this.swapImage(this.branches[i]);
				}
			}
		}
	}

/**
* Checks whether a branch should be open
* or not based on its parents' status
*/
	TreeMenu.prototype.checkParentVisibility = function (layerID)
	{
		if (this.in_array(this.childParents[layerID], this.branches)
		    && this.branchStatus[this.childParents[layerID]]
			&& this.checkParentVisibility(this.childParents[layerID]) ) {

			return true;

		} else if (this.childParents[layerID] == null) {
			return true;
		}

		return false;
	}

/**
* New C# style string formatter
*/
	TreeMenu.prototype.stringFormat = function (strInput)
	{
		var idx = 0;

		for (var i=1; i<arguments.length; i++) {
			while ((idx = strInput.indexOf('{' + (i - 1) + '}', idx)) != -1) {
				strInput = strInput.substring(0, idx) + arguments[i] + strInput.substr(idx + 3);
			}
		}

		return strInput;
	}

/**
* Also much adored, the PHP implode() function
*/
	TreeMenu.prototype.implode = function (seperator, input)
	{
		var output = '';

		for (var i=0; i<input.length; i++) {
			if (i == 0) {
				output += input[i];
			} else {
				output += seperator + input[i];
			}
		}

		return output;
	}

/**
* Aah, all the old favourites are coming out...
*/
	TreeMenu.prototype.in_array = function (item, arr)
	{
		for (var i=0; i<arr.length; i++) {
			if (arr[i] == item) {
				return true;
			}
		}

		return false;
	}

/**
* TreeNode Class
*/
	function TreeNode(title, icon, link, expanded, isDynamic, cssClass, linkTarget, expandedIcon)
	{
		this.title        = title;
		this.icon         = icon;
		this.expandedIcon = expandedIcon;
		this.link         = link;
		this.expanded     = expanded;
		this.isDynamic    = isDynamic;
		this.cssClass     = cssClass;
		this.linkTarget   = linkTarget;
		this.n            = new Array();
		this.events       = new Array();
		this.handlers     = null;
		this.oncollapse   = null;
		this.onexpand     = null;
		this.ontoggle     = null;
	}

/**
* Adds a node to an already existing node
*/
	TreeNode.prototype.addItem = function (newNode)
	{
		newIndex = this.n.length;
		this.n[newIndex] = newNode;

		return this.n[newIndex];
	}

/**
* Sets an event for this particular node
*/
	TreeNode.prototype.setEvent = function (eventName, eventHandler)
	{
		switch (eventName.toLowerCase()) {
			case 'onexpand':
				this.onexpand = eventHandler;
				break;

			case 'oncollapse':
				this.oncollapse = eventHandler;
				break;

			case 'ontoggle':
				this.ontoggle = eventHandler;
				break;

			default:
				this.events[eventName] = eventHandler;
		}
	}

/**
* That's the end of the tree classes. What follows is
* the browser detection code.
*/


//<!--
// Ultimate client-side JavaScript client sniff. Version 3.03
// (C) Netscape Communications 1999-2001.  Permission granted to reuse and distribute.
// Revised 17 May 99 to add is_nav5up and is_ie5up (see below).
// Revised 20 Dec 00 to add is_gecko and change is_nav5up to is_nav6up
//                      also added support for IE5.5 Opera4&5 HotJava3 AOLTV
// Revised 22 Feb 01 to correct Javascript Detection for IE 5.x, Opera 4,
//                      correct Opera 5 detection
//                      add support for winME and win2k
//                      synch with browser-type-oo.js
// Revised 26 Mar 01 to correct Opera detection
// Revised 02 Oct 01 to add IE6 detection

// Everything you always wanted to know about your JavaScript client
// but were afraid to ask. Creates "is_" variables indicating:
// (1) browser vendor:
//     is_nav, is_ie, is_opera, is_hotjava, is_webtv, is_TVNavigator, is_AOLTV
// (2) browser version number:
//     is_major (integer indicating major version number: 2, 3, 4 ...)
//     is_minor (float   indicating full  version number: 2.02, 3.01, 4.04 ...)
// (3) browser vendor AND major version number
//     is_nav2, is_nav3, is_nav4, is_nav4up, is_nav6, is_nav6up, is_gecko, is_ie3,
//     is_ie4, is_ie4up, is_ie5, is_ie5up, is_ie5_5, is_ie5_5up, is_ie6, is_ie6up, is_hotjava3, is_hotjava3up,
//     is_opera2, is_opera3, is_opera4, is_opera5, is_opera5up
// (4) JavaScript version number:
//     is_js (float indicating full JavaScript version number: 1, 1.1, 1.2 ...)
// (5) OS platform and version:
//     is_win, is_win16, is_win32, is_win31, is_win95, is_winnt, is_win98, is_winme, is_win2k
//     is_os2
//     is_mac, is_mac68k, is_macppc
//     is_unix
//     is_sun, is_sun4, is_sun5, is_suni86
//     is_irix, is_irix5, is_irix6
//     is_hpux, is_hpux9, is_hpux10
//     is_aix, is_aix1, is_aix2, is_aix3, is_aix4
//     is_linux, is_sco, is_unixware, is_mpras, is_reliant
//     is_dec, is_sinix, is_freebsd, is_bsd
//     is_vms
//
// See http://www.it97.de/JavaScript/JS_tutorial/bstat/navobj.html and
// http://www.it97.de/JavaScript/JS_tutorial/bstat/Browseraol.html
// for detailed lists of userAgent strings.
//
// Note: you don't want your Nav4 or IE4 code to "turn off" or
// stop working when new versions of browsers are released, so
// in conditional code forks, use is_ie5up ("IE 5.0 or greater")
// is_opera5up ("Opera 5.0 or greater") instead of is_ie5 or is_opera5
// to check version in code which you want to work on future
// versions.

/**
* Severly curtailed all this as only certain elements
* are required by TreeMenu, specifically:
*  o is_ie4up
*  o is_nav6up
*  o is_gecko
*/

    // convert all characters to lowercase to simplify testing
    var agt=navigator.userAgent.toLowerCase();

    // *** BROWSER VERSION ***
    // Note: On IE5, these return 4, so use is_ie5up to detect IE5.
    var is_major = parseInt(navigator.appVersion);
    var is_minor = parseFloat(navigator.appVersion);

    // Note: Opera and WebTV spoof Navigator.  We do strict client detection.
    // If you want to allow spoofing, take out the tests for opera and webtv.
    var is_nav  = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1)
                && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1)
                && (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1));
    var is_nav6up = (is_nav && (is_major >= 5));
    var is_gecko = (agt.indexOf('gecko') != -1);


    var is_ie     = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
    var is_ie4    = (is_ie && (is_major == 4) && (agt.indexOf("msie 4")!=-1) );
    var is_ie4up  = (is_ie && (is_major >= 4));

	var is_opera  = (agt.indexOf("opera") != -1);
	var is_opera7 = is_opera && (agt.indexOf("opera 7") != -1);

	// Patch from Harald Fielker
    if (agt.indexOf('konqueror') != -1) {
        var is_nav    = false;
        var is_nav6up = false;
        var is_gecko  = false;
        var is_ie     = true;
        var is_ie4    = true;
        var is_ie4up  = true;
    }
//--> end hide JavaScript