<?php // $Id: scorm_api.php 21162 2009-06-01 16:18:46Z yannoo $ 
/*
============================================================================== 
	Dokeos - elearning and course management software
	
	Copyright (c) 2004-2009 Dokeos SPRL
	Copyright (c) Denes Nagy (darkden@freemail.hu)
	
	For a full list of contributors, see "credits.txt".
	The full license can be read in "license.txt".
	
	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.
	
	See the GNU General Public License for more details.
	
	Contact: Dokeos, rue du Corbeau, 108, B-1030 Brussels, Belgium, info@dokeos.com
============================================================================== 
*/
/**
============================================================================== 
*	API event handler functions for Scorm 1.1 and 1.2 and 1.3
*
*	@author   Denes Nagy <darkden@freemail.hu>
*   @author   Yannick Warnier <ywarnier@beeznest.org>
*	@version  v 1.0
*	@access   public
*	@package dokeos.learnpath
============================================================================== 
*/
/**
 * This script is divided into three sections. 
 * The first section (below) is the initialisation part.
 * The second section is the SCORM object part
 * The third section defines the event handlers for Dokeos' internal messaging
 * and frames refresh
 */
/*
============================================================================== 
	   INIT SECTION
============================================================================== 
*/ 

// if you open the imsmanifest.xml via local machine (f.ex.: file://c:/...), then the Apiwrapper.js
// of Maritime Navigation when trying to execute this row
//    var result = api.LMSInitialize("");
// get the error response : you are not authorized to call this function

//flag to allow for anonymous user - needs to be set before global.inc.php
$use_anonymous = true;

require_once('back_compat.inc.php');
require_once('learnpath.class.php');
require_once('learnpathItem.class.php');
require_once('scorm.class.php');

// Is this needed? This is probabaly done in the header file
//$_user							= $_SESSION['_user'];
$file							= (empty($_SESSION['file'])?'':$_SESSION['file']);
$oLP							= unserialize($_SESSION['lpobject']);
$oItem 							= $oLP->items[$oLP->current];
if(!is_object($oItem)){
	error_log('New LP - scorm_api - Could not load oItem item',0);
	exit;
}
$autocomplete_when_80pct = 0; 

/*
============================================================================== 
		JavaScript Functions
============================================================================== 
*/ 
?>var scorm_logs='<?php echo ((empty($oLP->scorm_debug) or !api_is_course_admin())?'0':'3');?>'; //debug log level for SCORM. 0 = none, 1=light, 2=a lot, 3=all - displays logs in log frame
var lms_logs=0; //debug log level for LMS actions. 0=none, 1=light, 2=a lot, 3=all
//logit_lms('scormfunctions.php included',0);

function APIobject() {
  this.LMSInitialize=LMSInitialize;  //for Scorm 1.2
  this.Initialize=LMSInitialize;     //for Scorm 1.3
  this.LMSGetValue=LMSGetValue;
  this.GetValue=LMSGetValue;
  this.LMSSetValue=LMSSetValue;
  this.SetValue=LMSSetValue;
  this.LMSCommit=LMSCommit;
  this.Commit=LMSCommit;
  this.LMSFinish=LMSFinish;
  this.Finish=LMSFinish;
  this.LMSGetLastError=LMSGetLastError;
  this.GetLastError=LMSGetLastError;
  this.LMSGetErrorString=LMSGetErrorString;
  this.GetErrorString=LMSGetErrorString;
  this.LMSGetDiagnostic=LMSGetDiagnostic;
  this.GetDiagnostic=LMSGetDiagnostic;
  this.Terminate=Terminate;  //only in Scorm 1.3
  this.save_asset = dokeos_save_asset;
  this.void_save_asset = dokeos_void_save_asset;
}

//it is not sure that the scos use the above declarations

API = new APIobject(); //for scorm 1.2
api = API;
//api = new APIobject(); //for scorm 1.2
API_1484_11 = new APIobject();  //for scorm 1.3
api_1484_11 = API_1484_11;
//api_1484_11 = new APIobject();  //for scorm 1.3

// Error codes  
var G_NoError 					= 0;
var G_GeneralException 			= 101;
var G_ServerBusy 				= 102; // this is not in the Scorm1.2_Runtime document 
var G_InvalidArgumentError 		= 201;
var G_ElementCannotHaveChildren = 202;
var G_ElementIsNotAnArray 		= 203;
var G_NotInitialized 			= 301;
var G_NotImplementedError 		= 401;
var G_InvalidSetValue 			= 402;
var G_ElementIsReadOnly 		= 403;
var G_ElementIsWriteOnly 		= 404;
var G_IncorrectDataType 		= 405;

// Error messages 
var G_NoErrorMessage 					= '';
var G_GeneralExceptionMessage 			= 'General Exception';
var G_ServerBusyMessage 				= 'Server busy'; // this is not in the Scorm1.2_Runtime document 
var G_InvalidArgumentErrorMessage 		= 'Invalid argument error';
var G_ElementCannotHaveChildrenMessage 	= 'Element cannot have children';
var G_ElementIsNotAnArrayMessage 		= 'Element not an array.  Cannot have count';
var G_NotInitializedMessage 			= 'Not initialized';
var G_NotImplementedErrorMessage 		= 'Not implemented error';
var G_InvalidSetValueMessage 			= 'Invalid set value, element is a keyword';
var G_ElementIsReadOnlyMessage 			= 'Element is read only';
var G_ElementIsWriteOnlyMessage 		= 'Element is write only';
var G_IncorrectDataTypeMessage 			= 'Incorrect Data Type';

var G_LastError = G_NoError ;
var G_LastErrorMessage = 'No error';
//this is not necessary and is only provided to make bad Articulate contents shut up (and not trigger useless JS messages)
var G_LastErrorString = 'No error';
status_info=new Array();
var commit = false ;

var variables_scorm = new Array('cmi.core.score.raw','cmi.core.score.max','cmi.core.score.min','cmi.core.lesson_location',
'cmi.core.lesson_status','cmi.completion_status','cmi.core.session_time','cmi.score.scaled','cmi.success_status',
'cmi.suspend_data','cmi.core.exit','interactions');

var variable_to_send=new Array();
var updatetable_to_list=new Array();
var info_of_variable_to_send=new Array();

//Strictly scorm variables
var score=<?php echo $oItem->get_score();?>;
var max='<?php echo $oItem->get_max();?>';
var min='<?php echo $oItem->get_min();?>';
var lesson_status='<?php echo $oItem->get_status();?>';
var session_time='<?php echo $oItem->get_scorm_time('js');?>';
var suspend_data = '<?php echo $oItem->get_suspend_data();?>';
var lesson_location = '<?php echo $oItem->get_lesson_location();?>';
var total_time = '<?php echo $oItem->get_scorm_time('js');?>';
var mastery_score = '<?php echo $oItem->get_mastery_score();?>';
var launch_data = '<?php echo $oItem->get_launch_data();?>';
var max_time_allowed = '<?php echo $oItem->get_max_time_allowed();?>';
var interactions = new Array(<?php echo $oItem->get_interactions_js_array();?>);
item_objectives = new Array();
info_lms_item=new Array();
$(document).ready( function() { 
	info_lms_item[0]='<?php echo $oItem->get_id();?>';
	info_lms_item[1]='<?php echo $oItem->get_id();?>';
	
	$("#current_item_id").attr("value",<?php echo $oItem->get_id();?>);
	$("#old_item").attr("value",<?php echo $oItem->get_id();?>);
	
	//var myiframe=document.getElementById('content_id');
	//myiframe.Events.AttachEvent("onclick", update_lp_item_id);
	//myiframe.contentWindow.document.addEventListener("click", update_lp_item_id, false);
		
 } ); 
 
 
$(document).ready( function() { 
 $("iframe#content_id").load( function(){
  //alert("Document title: " + $("iframe#content_id").attr('src'));
  info_lms_item[0]=info_lms_item[1];
  info_lms_item[1]= info_lms_item[1];
 });
});
 
 
//Dokeos internal variables
var saved_lesson_status = 'not attempted';
var lms_lp_id = <?php echo $oLP->get_id();?>;
var lms_item_id = <?php echo $oItem->get_id();?>;
//var lms_new_item_id = 0; //temporary value (only there between a load_item() and a LMSInitialize())
var lms_been_synchronized = 0;
var lms_initialized = 0;
var lms_total_lessons = <?php echo $oLP->get_total_items_count(); ?>;
var lms_complete_lessons = <?php echo $oLP->get_complete_items_count();?>;
var lms_progress_bar_mode = '<?php echo $oLP->progress_bar_mode;?>';
if(lms_progress_bar_mode == ''){lms_progress_bar_mode='%';}
var lms_view_id = '<?php echo $oLP->get_view();?>';
if(lms_view_id == ''){ lms_view_id = 1;}
var lms_user_id = '<?php echo $_user['user_id'];?>';
var lms_next_item = '<?php echo $oLP->get_next_item_id();?>';
var lms_previous_item = '<?php echo $oLP->get_previous_item_id();?>';
var lms_lp_type = '<?php echo $oLP->get_type();?>';
var lms_item_type = '<?php echo $oItem->get_type();?>';
var lms_item_credit = '<?php echo $oItem->get_credit();?>';
var lms_item_lesson_mode = '<?php echo $oItem->get_lesson_mode();?>';
var lms_item_launch_data = '<?php echo $oItem->get_launch_data();?>';
var lms_item_core_exit = '<?php echo $oItem->get_core_exit();?>';
var asset_timer = 0;

//Backup for old values
var old_score = 0;
var old_max = 0;
var old_min = 0;
var old_lesson_status = '';
var old_session_time = '';
var old_suspend_data = '';
var lms_old_item_id = 0;

var execute_stats='false';


    
/**
 * Function called mandatorily by the SCORM content to start the SCORM communication
 */
function LMSInitialize() {  //this is the initialize function of all APIobjects
	
	/* load info for this new item by calling the js_api_refresh command in
	 * the message frame. The message frame will update the JS variables by 
	 * itself, in JS, by doing things like top.lesson_status = 'not attempted' 
	 * and that kind of stuff, so when the content loads in the content frame
	 * it will have all the correct variables set 
	 */	 
	G_LastError = G_NoError ;
	G_LastErrorMessage = 'No error';
	//reinit to list
	reinit_update_table_list ()
		
	lms_initialized=0;
	// if there are more parameters than ""		
	if (arguments.length>1) {
		G_LastError 		= G_InvalidArgumentError;
		G_LastErrorMessage 	= G_InvalidArgumentErrorMessage;
		logit_scorm('Error '+ G_InvalidArgumentError + G_InvalidArgumentErrorMessage, 0);
		return('false');		
	} else {	
		logit_scorm('LMSInitialise()',0);
		lms_initialized=1;
		return('true');	
	}	
}

function Initialize() 
{  //this is the initialize function of all APIobjects
	return LMSInitialize();
}

function LMSGetValue(param) 
{		
	//logit_scorm("LMSGetValue('"+param+"')",1);
	G_LastError = G_NoError ;
	G_LastErrorMessage = 'No error';	
	var result='';	
	
	// the LMSInitialize is missing
	if (lms_initialized == 0) {
		 G_LastError 		= G_NotInitialized; 
		 G_LastErrorMessage = G_NotInitializedMessage;
		 logit_scorm('Error '+ G_NotInitialized + ' ' +G_NotInitializedMessage, 0);
		 return '';
	}
	
	//Dokeos does not support this SCO object properties
	
	if (param == 'cmi.student_preference.text' || 
		param == 'cmi.student_preference.language' ||
		param == 'cmi.student_preference.speed' ||
		param == 'cmi.student_preference.audio' ||
		param == 'cmi.student_preference._children' || 
		param == 'cmi.student_data.time_limit_action' ||
		param == 'cmi.comments' ||
		param == 'cmi.comments_from_lms' ) {
		// the value is not supported	
		G_lastError = G_NotImplementedError  ;
		G_lastErrorString = G_NotImplementedErrorMessage;
		logit_scorm("LMSGetValue  ('"+param+"') Error '"+G_NotImplementedErrorMessage+"'",1);
		result = '';
		return result;			
	}

	// ---- cmi.core._children
	if(param=='cmi.core._children' || param=='cmi.core_children') {
		result='entry, exit, lesson_status, student_id, student_name, lesson_location, total_time, credit, lesson_mode, score, session_time';
	} else if(param == 'cmi.core.entry'){
	// ---- cmi.core.entry
		if(lms_item_core_exit=='none') {
			result='ab-initio';
		} else if(lms_item_core_exit=='suspend') {
			result='resume';
		} else {
			result='';
		}
	} else if(param == 'cmi.core.exit'){
		// ---- cmi.core.exit
		result='';
		G_LastError = G_ElementIsWriteOnly;
	}else if(param == 'cmi.core.session_time'){
		result='';
		G_LastError = G_ElementIsWriteOnly;		
	}else if(param == 'cmi.core.lesson_status'){
	// ---- cmi.core.lesson_status
	    if(lesson_status != '') {
	    	result=lesson_status;
	    } else {	    	
	    	//result='not attempted';
	    }
	} else if(param == 'cmi.core.student_id'){
	// ---- cmi.core.student_id
		result='<?php echo $_user['user_id']; ?>';
	} else if(param == 'cmi.core.student_name'){
	// ---- cmi.core.student_name
		  <?php
			$who=addslashes($_user['lastName'].", ".$_user['firstName']);
		    echo "result='$who';"; 
		  ?>
	} else if(param == 'cmi.core.lesson_location'){
	// ---- cmi.core.lesson_location
		result=lesson_location;
	} else if(param == 'cmi.core.total_time'){
	// ---- cmi.core.total_time
		result=total_time;
	} else if(param == 'cmi.core.score._children'){
	// ---- cmi.core.score._children
		result='raw,min,max';
	} else if(param == 'cmi.core.score.raw'){
	// ---- cmi.core.score.raw
		result=score;
	} else if(param == 'cmi.core.score.max'){
	// ---- cmi.core.score.max
		result=max;
	} else if(param == 'cmi.core.score.min'){
	// ---- cmi.core.score.min
		result=min;
	} else if(param == 'cmi.core.score'){
	// ---- cmi.core.score -- non-standard item, provided as cmi.core.score.raw just in case
		result=score;
	}else if(param == 'cmi.core.credit'){
	// ---- cmi.core.credit
		result = lms_item_credit;
	}else if(param == 'cmi.core.lesson_mode'){
	// ---- cmi.core.lesson_mode
		result = lms_item_lesson_mode;
	}else if(param == 'cmi.suspend_data'){
	// ---- cmi.suspend_data
		result = suspend_data;
	}else if(param == 'cmi.launch_data'){
	// ---- cmi.launch_data
		result = lms_item_launch_data;
	}else if(param == 'cmi.objectives._children'){
	// ---- cmi.objectives._children
		result = 'id,score,status';
	}else if(param == 'cmi.objectives._count'){
	// ---- cmi.objectives._count
		//result='<?php echo $oItem->get_view_count();?>';
		result = item_objectives.length;
	}else if(param.substring(0,15)== 'cmi.objectives.'){
		var myres = '';
		if(myres = param.match(/cmi.objectives.(\d+).(id|score|status|_children)(.*)/))
		{
			var obj_id = myres[1];
			var req_type = myres[2];
			if(item_objectives[obj_id]==null)
			{
				if(req_type == 'id')
				{
					result = '';
				}else if(req_type == '_children'){
					result = 'id,score,status';
				}else if(req_type == 'score'){
					if(myres[3]==null)
					{
						result = '';
						G_lastError = G_NotImplementedError;
						G_lastErrorString = 'Not implemented yet';
					}else if (myres[3] == '._children'){
						result = 'raw,min,max'; //non-standard, added for NetG
					}else if (myres[3] == '.raw'){
						result = '';
					}else if (myres[3] == '.max'){
						result = '';
					}else if (myres[3] == '.min'){
						result = '';
					}else{
						result = '';
						G_lastError = G_NotImplementedError;
						G_lastErrorString = 'Not implemented yet';
					}
				}else if(req_type == 'status'){
					result = 'not attempted';
				}
			}
			else
			{
				//the object is not null
				if(req_type == 'id')
				{
					result = item_objectives[obj_id][0];
				}else if(req_type == '_children'){
					result = 'id,score,status';
				}else if(req_type == 'score'){
					if(myres[3]==null)
					{
						result = '';
						G_lastError = G_NotImplementedError;
						G_lastErrorString = 'Not implemented yet';
					}else if (myres[3] == '._children'){
						result = 'raw,min,max'; //non-standard, added for NetG
					}else if (myres[3] == '.raw'){
						if(item_objectives[obj_id][2] != null)
						{
							result = item_objectives[obj_id][2];
						}else{
							result = '';
						}
					}else if (myres[3] == '.max'){
						if(item_objectives[obj_id][3] != null)
						{
							result = item_objectives[obj_id][3];
						}else{
							result = '';
						}
					}else if (myres[3] == '.min'){
						if(item_objectives[obj_id][4] != null)
						{
							result = item_objectives[obj_id][4];
						}else{
							result = '';
						}
					}else{
						result = '';
						G_lastError = G_NotImplementedError;
						G_lastErrorString = 'Not implemented yet';
					}
				}else if(req_type == 'status'){
					if(item_objectives[obj_id][1] != null)
					{
						result = item_objectives[obj_id][1];
					}else{
						result = 'not attempted';
					}
				}
			}
		}
	}else if(param == 'cmi.student_data._children'){
		// ---- cmi.student_data._children
		result = 'mastery_score,max_time_allowed';
	}else if(param == 'cmi.student_data.mastery_score'){
		// ---- cmi.student_data.mastery_score
		result = mastery_score;
	}else if(param == 'cmi.student_data.max_time_allowed'){
		// ---- cmi.student_data.max_time_allowed
		result = max_time_allowed;
	}else if(param == 'cmi.interactions._count'){
		// ---- cmi.interactions._count
		result = interactions.length;
	}else if(param == 'cmi.interactions._children'){
		// ---- cmi.interactions._children
		result = 'id,time,type,correct_responses,weighting,student_response,result,latency';
	} else {
		// ---- anything else
		// Invalid argument error
		G_lastError = G_InvalidArgumentError ;
		G_lastErrorString = G_InvalidArgumentErrorMessage;
		logit_scorm("LMSGetValue  ('"+param+"') Error '"+G_InvalidArgumentErrorMessage+"'",1);
		result = '';
		return result;
	}
	logit_scorm("LMSGetValue\n\t('"+param+"') returned '"+result+"'",1);
	return result;
}

function GetValue(param) {
	return LMSGetValue(param);
}

function LMSSetValue(param, val) {
	
	logit_scorm("LMSSetValue\n\t('"+param+"','"+val+"')",0);
	commit = true; //value has changed, need to re-commit
	G_LastError = G_NoError ;
	G_LastErrorMessage = 'No error';	
	return_value = 'false';
	if( param == "cmi.core.score.raw" ) {
		score= val; 
		updatetable_to_list['cmi.core.score.raw']='true';
		return_value='true';
	} else if ( param == "cmi.core.score.max" ) {
		max = val;
		updatetable_to_list['cmi.core.score.max']='true';
		return_value='true';
	} else if ( param == "cmi.core.score.min" ) {
		min = val;
		updatetable_to_list['cmi.core.score.min']='true';
		return_value='true';
	} else if ( param == "cmi.core.lesson_location" ) {
		lesson_location = val;
		updatetable_to_list['cmi.core.lesson_location']='true';
		return_value='true';
	} else if ( param == "cmi.core.lesson_status" ) {
		saved_lesson_status = lesson_status;
		lesson_status = val;
		updatetable_to_list['cmi.core.lesson_status']='true';
	    return_value='true';
	} else if ( param == "cmi.completion_status" ) {
		lesson_status = val;
		updatetable_to_list['cmi.completion_status']='true';
		return_value='true'; //1.3
	} else if ( param == "cmi.core.session_time" ) {
		session_time = val;
		updatetable_to_list['cmi.core.session_time']='true';		
		return_value='true';
	} else if ( param == "cmi.score.scaled") { //1.3
		if(val<=1 && val>=-1) { 
			score = val ;
			updatetable_to_list['cmi.score.scaled']='true';
			return_value='true';
		} else {
			return_value='false';
		}
	} else if ( param == "cmi.success_status" ) {
		success_status = val;
		updatetable_to_list['cmi.success_status']='true';
		return_value='true'; //1.3
	} else if ( param == "cmi.suspend_data" ) {
		suspend_data = val;
		updatetable_to_list['cmi.suspend_data']='true';
		return_value='true';
	} else if ( param == "cmi.core.exit" ) {
		lms_item_core_exit = val;
		updatetable_to_list['cmi.core.exit']='true';
		return_value='true';
	} else if ( param == "cmi.core.student_id" ) {
		G_LastError = G_ElementIsReadOnly;
	} else if ( param == "cmi.core.student_name" ) {
		G_LastError = G_ElementIsReadOnly;
	} else if ( param == "cmi.core.credit" ) {
		G_LastError = G_ElementIsReadOnly;
	} else if ( param == "cmi.core.entry" ) {               
		G_LastError = G_ElementIsReadOnly;
	} else if ( param == "cmi.core.total_time" ) {
		G_LastError = G_ElementIsReadOnly;			
	} else if ( param == "cmi.core.lesson_mode" ) {
		G_LastError = G_ElementIsReadOnly;
	} else if ( param == "cmi.comments_from_lms" ) {
		G_LastError = G_ElementIsReadOnly;	
	} else if ( param == "cmi.student_data.time_limit_action" ) {
		G_LastError = G_ElementIsReadOnly;	
	} else if ( param == "cmi.student_data.mastery_score" ) {
		G_LastError = G_ElementIsReadOnly;		
	} else if ( param == "cmi.student_data.max_time_allowed" ) {
		G_LastError = G_ElementIsReadOnly;
	} else if ( param == "cmi.student_preference._children" ) {
		G_LastError = G_ElementIsReadOnly;		
	} else if ( param == "cmi.launch_data" ) {
		G_LastError = G_ElementIsReadOnly;
	} else {
		var myres = new Array();
		if(myres = param.match(/cmi.interactions.(\d+).(id|time|type|correct_responses|weighting|student_response|result|latency)(.*)/)) {
			updatetable_to_list['interactions']='true';
			elem_id = myres[1];
			if(elem_id > interactions.length) //interactions setting should start at 0
			{
				/*
                G_LastError = G_InvalidArgumentError;
                G_LastErrorString = 'Invalid argument (interactions)';
				return_value = false;
                */
                interactions[0] = ['0','','','','','','',''];
			}			
			if(interactions[elem_id] == null) {
					interactions[elem_id] = ['','','','','','','',''];
					//id(0), type(1), time(2), weighting(3),correct_responses(4),student_response(5),result(6),latency(7)
					interactions[elem_id][4] = new Array();
			}
			elem_attrib = myres[2];
			switch(elem_attrib) {
					case "id":
						interactions[elem_id][0] = val;
						logit_scorm("Interaction "+elem_id+"'s id updated",2);
						return_value='true';
						break;
					case "time":
						interactions[elem_id][2] = val;
						logit_scorm("Interaction "+elem_id+"'s time updated",2);
						return_value='true';
						break;
					case "type":
						interactions[elem_id][1] = val;
						logit_scorm("Interaction "+elem_id+"'s type updated",2);
						return_value='true';
						break;
					case "correct_responses":
						//do nothing yet
						interactions[elem_id][4].push(val);
						logit_scorm("Interaction "+elem_id+"'s correct_responses not updated",2);
						return_value='true';
						break;
					case "weighting":
						interactions[elem_id][3] = val;
						logit_scorm("Interaction "+elem_id+"'s weighting updated",2);
						return_value='true';
						break;
					case "student_response":
						interactions[elem_id][5] = val;
						logit_scorm("Interaction "+elem_id+"'s student_response updated",2);
						return_value='true';
						break;
					case "result":
						interactions[elem_id][6] = val;
						logit_scorm("Interaction "+elem_id+"'s result updated",2);
						return_value='true';
						break;
					case "latency":
						interactions[elem_id][7] = val;
						logit_scorm("Interaction "+elem_id+"'s latency updated",2);
						return_value='true';
						break;
					default:
							G_lastError = G_NotImplementedError;
							G_lastErrorString = 'Not implemented yet';
			}
		} else if(param.substring(0,15)== 'cmi.objectives.'){
			var myres = '';
			updatetable_to_list['objectives']='true';
			if(myres = param.match(/cmi.objectives.(\d+).(id|score|status)(.*)/))
			{
				obj_id = myres[1];
				if(obj_id > item_objectives.length) //objectives setting should start at 0
				{
					G_LastError = G_InvalidArgumentError;
                    G_LastErrorString = 'Invalid argument (objectives)';
					return_value = false;
				}
				else
				{
					req_type = myres[2];
					if(obj_id == null || obj_id == '')
					{
						;//do nothing
					}
					else
					{
						if(item_objectives[obj_id]==null)
						{
							item_objectives[obj_id] = ['','','','',''];
						}
						if( req_type == "id" ) {
								//item_objectives[obj_id][0] = val.substring(51,57);
								item_objectives[obj_id][0] = val;
								logit_scorm("Objective "+obj_id+"'s id updated",2);
								return_value = 'true';
						} else if ( req_type == "score" ) {
								if (myres[3] == '._children'){
									return_value = '';
									G_lastError = G_InvalidSetValue;
									G_lastErrorString = 'Invalid set value, element is a keyword';
								}else if (myres[3] == '.raw'){
									item_objectives[obj_id][2] = val;
									logit_scorm("Objective "+obj_id+"'s score raw updated",2);
									return_value = 'true';
								}else if (myres[3] == '.max'){
									item_objectives[obj_id][3] = val;
									logit_scorm("Objective "+obj_id+"'s score max updated",2);
									return_value = 'true';
								}else if (myres[3] == '.min'){
									item_objectives[obj_id][4] = val;
									logit_scorm("Objective "+obj_id+"'s score min updated",2);
									return_value = 'true';
								}else{
									return_value = '';
									G_lastError = G_NotImplementedError;
									G_lastErrorString = 'Not implemented yet';
								}
						} else if ( req_type == "status" ) {
								item_objectives[obj_id][1] = val;
								logit_scorm("Objective "+obj_id+"'s status updated",2);
								return_value = 'true';
						} else {
								G_lastError = G_NotImplementedError;
								G_lastErrorString = 'Not implemented yet';
						}
					}
				}
			}
		} else {
			G_lastError = G_NotImplementedError;
			G_lastErrorString = G_NotImplementedErrorMessage;
		}
	}
	<?php 
	if ($oLP->force_commit == 1){
		echo "    var mycommit = LMSCommit('force');";
	}
	?>
	return(return_value);
}

function SetValue(param, val) {
	return LMSSetValue(param, val);
}

function ProcessValueScorm () {

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

		if (updatetable_to_list[variables_scorm[i]]=='true') {
			info_update_table=variables_scorm[i];
			variable_to_send.push(info_update_table);
		}
	}
	
	return variable_to_send;
}

function reinit_update_table_list () {
	
	for (i=0;i<variables_scorm.length;i++) {

		if (updatetable_to_list[variables_scorm[i]]=='true') {
			updatetable_to_list[variables_scorm[i]]='false';
		}
	}
	lesson_status='';
	
}

function savedata(origin) { 

	//origin can be 'commit', 'finish' or 'terminate'	
    if ((lesson_status != 'completed') && (lesson_status != 'passed') && (mastery_score >=0) && (score >= mastery_score)) {
		lesson_status = 'passed';
        updatetable_to_list['cmi.core.lesson_status']='true';
    } else if( (mastery_score < 0) && (lms_lp_type != '2') && ( lesson_status == 'incomplete') && (score >= (0.8*max) ) ) {
    	//the status cannot be modified automatically by the LMS under SCORM 1.2's rules    	
    	<?php if ($autocomplete_when_80pct){ ?>
    	      lesson_status = 'completed';
              updatetable_to_list['cmi.core.lesson_status']='true';
    	<?php }?>
    	; 	
    } else {
        /*
         * See notes in switch_item for why this has been disabled
    	if ((origin== 'finish' || origin == 'unload') && lesson_status != 'completed' && lesson_status != 'passed' && lesson_status != 'browsed' && lesson_status != 'failed' && lesson_status != 'incomplete')  {
	    	// The SCORM1.2 Runtime object document says for the "cmi.core.lesson_status" variable:	    	 
	    	// Upon receiving the LMSFinish() call or the user navigates away, 
	    	// the LMS should set the cmi.core.lesson_status for the SCO to 'completed'	    	 
            logit_lms('the LMS did saving data (status='+lesson_status+' - interactions: '+ interactions.length +')',1);
	    	if (mastery_score && mastery_score!= '' && score && score != '') {    	
	    		if  (score >= mastery_score) {
	    		  lesson_status = 'passed';
	    		} else {
	    		  lesson_status = 'failed';
	    		}
                updatetable_to_list['cmi.core.lesson_status']='true';
	    	} else if (mastery_score && mastery_score!= '') {
	    		lesson_status = 'completed';
                updatetable_to_list['cmi.core.lesson_status']='true';
	    	}
    	}
        */
    }

    my_get_value_scorm=new Array();
    my_get_value_scorm=ProcessValueScorm();
    
	logit_lms('saving data (status='+lesson_status+' - interactions: '+ interactions.length +')',1);
	
	old_item_id=info_lms_item[0];
	//xajax_save_item(lms_lp_id, lms_user_id, lms_view_id, lms_item_id, score, max, min, lesson_status, session_time, suspend_data, lesson_location, interactions, lms_item_core_exit);
	
	xajax_save_item_scorm(lms_lp_id, lms_user_id, lms_view_id, old_item_id,my_get_value_scorm);	
	//info_lms_item[0] is old_item_id and info_lms_item[1] is current_item_id
	info_lms_item[0]=info_lms_item[0];
	info_lms_item[1]=lms_item_id;
	
	if(item_objectives.length>0) {
		xajax_save_objectives(lms_lp_id,lms_user_id,lms_view_id,old_item_id,item_objectives);
	}
	execute_stats='false';
	
	//clean array
	variable_to_send=new Array();
	my_get_value_scorm=new Array();
}
/*
 * See notes in switch_item for why this has been disabled 
function savedata_onunload() {
	savedata('unload');
}
*/

function LMSCommit(val) {
		logit_scorm('LMSCommit()',0);
		G_LastError = G_NoError ;
		G_LastErrorMessage = 'No error';
		
		savedata('commit');
		reinit_update_table_list();
	    //commit = 'false' ; //now changes have been commited, no need to update until next SetValue()
		return('true');
}

function Commit(val) {
	return LMSCommit(val);
}

function LMSFinish(val) {
		G_LastError = G_NoError ;
		G_LastErrorMessage = 'No error';
		// why commit==false?	
		if (( commit == false )) { 	
			logit_scorm('LMSFinish() (no LMSCommit())',1);
			 
		}

		//if ( commit == true ) {
			logit_scorm('LMSFinish() called',1);		
			savedata('finish');
		    commit = 'false' ;
		//}
		
		//reinit to list
		reinit_update_table_list()		
		return('true');
}

function Finish(val) {
	return LMSFinish(val);
}

function LMSGetLastError() {
	logit_scorm('LMSGetLastError()',1);
	return(G_LastError.toString());
}

function GetLastError() {
	return LMSGetLastError();
}

function LMSGetErrorString(errCode){
	logit_scorm('LMSGetErrorString()',1);
	return(G_LastErrorString);
}

function GetErrorString(errCode){
	return LMSGetErrorString(errCode);
}

function LMSGetDiagnostic(errCode){
	logit_scorm('LMSGetDiagnostic()',1);
	return(API.LMSGetLastError());
}

function GetDiagnostic(errCode){
	return LMSGetDiagnostic(errCode);
}

function Terminate()
{
	if (lms_initialized == 0) {
		G_LastError 		= G_NotInitialized; 
		G_LastErrorMessage = G_NotInitializedMessage;
		logit_scorm('Error '+ G_NotInitialized + G_NotInitializedMessage, 0);
		return('false');		
	} else {				
		logit_scorm('Terminate()',0);
		G_LastError = G_NoError ;
		G_LastErrorMessage = 'No error';	
		commit = true;
		savedata('terminate');
		return (true);
	}
}
<?php
//--------------------------------------------------------------------//
/**
 * Dokeos-specific code that deals with event handling and inter-frames
 * messaging/refreshing.
 * Note that from now on, the Dokeos JS code in this library will act as
 * a controller, of the MVC pattern, and receive all requests for frame
 * updates, then redispatch to any frame concerned.
 */
?>
/**
 * Defining the AJAX-object class to be made available from other frames
 */
function XAJAXobject() {
  this.xajax_switch_item_details=xajax_switch_item_details;
  this.switch_item=switch_item;
  this.xajax_save_objectives=xajax_save_objectives;
  this.xajax_save_item = xajax_save_item;
}

//it is not sure that the scos use the above declarations

oXAJAX = new XAJAXobject();
oxajax = new XAJAXobject();

/**
 * Cross-browser event handling by Scott Andrew
 * @param	element	Element that needs an event attached
 * @param   string	Event type (load, unload, click, keyDown, ...)
 * @param   string	Function name (the event handler)
 * @param   string	used in addEventListener
 */
function addEvent(elm, evType, fn, useCapture){
	if(elm.addEventListener){
		elm.addEventListener(evType, fn, useCapture);
		return true;
	}else if (elm.attachEvent){
		var r = elm.attachEvent('on' + evType, fn);
	}else{
		elm['on'+evType] = fn;
	}
}
/**
 * Add listeners to the page objects. This has to be defined for
 * the current context as it acts on objects that should exist
 * on the page 
 * possibly deprecated
 */
function addListeners(){
	//exit if the browser doesn't support ID or tag retrieval
	logit_lms('Entering addListeners()',2);
	if(!document.getElementsByTagName){
		logit_lms("getElementsByTagName not available",2);
		return;
	}
	if(!document.getElementById){
		logit_lms("getElementById not available",2);
		return;
	}
	//assign event handlers to objects
	if(lms_lp_type==1 || lms_item_type=='asset'){
		logit_lms('Dokeos LP or asset',2);
		//if this path is a Dokeos learnpath, then start manual save
		//when something is loaded in there
		addEvent(window,'unload',dokeos_save_asset,false);
		logit_lms('Added event listener on content_id for unload',2);
	}
    /* See notes in switch_item() for why this has been disabled
    if (lms_lp_type==2) {
        addEvent(window,'unload',savedata_onunload,false);    	
    }
    */
	logit_lms('Quitting addListeners()',2);
}

/**
 * Load an item into the content frame:
 * - making sure the previous item status have been saved
 * - first updating the current item ID (to save the right item) 
 * - updating the frame src
 * possibly deprecated
 */
function load_item(item_id,url){
	if(document.getElementById('content_id')) {
		logit_lms('Loading item '+item_id,2);
		var cont_f = document.getElementById('content_id');
		if(cont_f.src){
			lms_old_item_id = lms_item_id;
			var lms_new_item_id = item_id;
			//load new content page into content frame
			if(lms_lp_type==1 || lms_item_type=='asset') {
				dokeos_save_asset();
			}
			cont_f.src = url;

			update_toc('unhighlight',lms_old_item_id);
			update_toc('highlight',lms_old_item_id);
			return true;
		}
		logit_lms('cont_f.src has no properties',0);
	}
	logit_lms('content_id has no properties',0);
	return false;
}
/**
 * Save a Dokeos learnpath item's time and mark as completed upon
 * leaving it
 */
function dokeos_save_asset() {
	// only for dokeos lps
	if (execute_stats=='true') {
		execute_stats='false';
	} else {
		execute_stats='true';
	}
	 
	if(lms_lp_type==1 || lms_item_type=='asset'){
		logit_lms('dokeos_save_asset',2);
	    xajax_save_item(lms_lp_id, lms_user_id, lms_view_id, lms_item_id, score, max, min, lesson_status, session_time, suspend_data, lesson_location,interactions, lms_item_core_exit);
	    if(item_objectives.length>0)
		{
			xajax_save_objectives(lms_lp_id,lms_user_id,lms_view_id,lms_item_id,item_objectives);
		}
	}
}
/**
 * Save a Dokeos learnpath item's time and mark as completed upon leaving it.
 * Same function as dokeos_save_asset() but saves it with empty params
 * to use values set from another side in the database. Only used by Dokeos quizzes.
 * Also save the score locally because it hasn't been done through SetValue().
 * Saving the status will be dealt with by the XAJAX function.
 */
function dokeos_void_save_asset(myscore,mymax)
{
	logit_lms('dokeos_save_asset',2);
	score = myscore;
	if((mymax == null) || (mymax == '')){mymax = 100;} //assume a default of 100, otherwise the score will not get saved (see lpi->set_score())
    xajax_save_item(lms_lp_id, lms_user_id, lms_view_id, lms_item_id, myscore, mymax);
}

/**
 * Logs information about SCORM messages into the log frame
 * @param	string	Message to log
 * @param	integer Priority (0 for top priority, 3 for lowest)
 */
function logit_scorm(message,priority){
	
	if(scorm_logs>priority){
		if($("#lp_log_name") && $("#log_content")){
			$("#log_content").append("SCORM: " + message + "<br/>");
		}
	}
	
}

/**
 * Logs information about LMS activity into the log frame
 * @param	string	Message to log
 * @param	integer Priority (0 for top priority, 3 for lowest)
 */
function logit_lms(message,priority){
	if(lms_logs>priority){ 
		if ($("#lp_log_name") && $("#log_content")) {
			$("#log_content").append("LMS: " + message + "<br />");
		}
	}
}

/**
 * update the Table Of Contents frame, by changing CSS styles, mostly
 * @param	string	Action to be taken
 * @param	integer	Item id to update
 */
function update_toc(update_action,update_id,change_ids)
{
        if (!change_ids || change_ids != 'no') {
            change_ids = 'yes';
        }
		var myelem = $("#toc_"+update_id);		
		var myelemimg = $("#toc_img_"+update_id);		
		logit_lms('update_toc("'+update_action+'",'+update_id+')',2);				
		
		if(update_id != 0)
		{
			switch(update_action)
			{
				case 'unhighlight':
					if (update_id%2==0)
					{						
						myelem.attr('class',"scorm_item_2");
					}
					else
					{					
						myelem.attr('class',"scorm_item_1");
					}
					break;
				case 'highlight':
                    if (change_ids=='yes') {
					   lms_next_item = update_id;
					   lms_previous_item = update_id;
                    }				 				
					myelem.attr('class',"scorm_item_highlight");
					break;
				case 'not attempted':   					
					if( myelemimg.attr('src') != '../img/notattempted.gif') {
						myelemimg.attr('src','../img/notattempted.gif');
						myelemimg.attr('alt','n');						
					}
					break;
				case 'incomplete':					
					if( myelemimg.attr('src') != '../img/incomplete.gif') {
						myelemimg.attr('src','../img/incomplete.gif');
						myelemimg.attr('alt','i');						
					}
					break;
				case 'completed':					
					if( myelemimg.attr('src') != '../img/completed.gif') {
						myelemimg.attr('src','../img/completed.gif');
						myelemimg.attr('alt','c');						
					}
					break;
				case 'failed':					
					if( myelemimg.attr('src') != '../img/failed.gif') {
						myelemimg.attr('src','../img/failed.gif');
						myelemimg.attr('alt','f');						
					}
					break;
				case 'passed':					
					if( myelemimg.attr('src') != '../img/completed.gif' && myelemimg.attr('alt') != 'passed') {
						myelemimg.attr('src','../img/completed.gif');
						myelemimg.attr('alt','p');						
					}
					break;
				case 'browsed':					
					if( myelemimg.attr('src') != '../img/completed.gif' && myelemimg.attr('alt') != 'browsed') {
						myelemimg.attr('src','../img/completed.gif');
						myelemimg.attr('alt','b');						
					}
					break;
				default:
					logit_lms('Update action unknown',2);
					break;
			}
		}
		return true;
}

function update_stats() {	
	if (execute_stats=='true') {
		try {
		cont_f = document.getElementById('content_id');
		cont_f.src="lp_controller.php?action=stats";
		cont_f.reload();
		} catch (e) {
			return false;
		}			
	}
	execute_stats='false';
}
/**
 * Updates the progress bar with the new status. Prevents the need of a page refresh and flickering
 * @param	integer	Number of completed items
 * @param	integer	Number of items in total
 * @param	string  Display mode (absolute 'abs' or percentage '%').Defaults to %
 */
function update_progress_bar(nbr_complete, nbr_total, mode)
{
	logit_lms('update_progress_bar('+nbr_complete+','+nbr_total+','+mode+')',2);
	logit_lms('could update with data: '+lms_lp_id+','+lms_view_id+','+lms_user_id,2);

	if(mode == ''){mode='%';}
	if(nbr_total == 0){nbr_total=1;}
	var percentage = (nbr_complete/nbr_total)*100;
	percentage = Math.round(percentage);
					
	var pr_text  = $("#progress_text");
	var pr_full  = $("#progress_img_full");		
	var pr_empty = $("#progress_img_empty");
		
	pr_full.attr('width',percentage*1.2);	
	pr_empty.attr('width',(100-percentage)*1.2);
		
	var mytext = '';
	switch(mode){
		case 'abs':
			mytext = nbr_complete + '/' + nbr_total;
			break;
		case '%':
		default:
			mytext = percentage + '%'; 
			break;
	}	
	pr_text.html(mytext);
	
	return true;
}

function update_stats_page()
{
	var myframe = document.getElementById('content_id');
	var mysrc = myframe.location.href;
	if(mysrc == 'lp_controller.php?action=stats'){
		if(myframe && myframe.src){
			var mysrc = myframe.src;
			myframe.src = mysrc;
		}
		// = mysrc; //refresh page
	}
	return true;
}
/**
 * Updates the message frame with the given string
 */
function update_message_frame(msg_msg)
{
	if(msg_msg==null){msg_msg='';}	
	if(!($("#msg_div_id"))){
		logit_lms('In update_message_frame() - message frame has no document property',0);
	}else{
		logit_lms('In update_message_frame() - updating frame',0);
		$("#msg_div_id").html(msg_msg);		
	}
}
/**
 * Function that handles the saving of an item and switching from an item to another.
 * Once called, this function should be able to do the whole process of 
 * (1) saving the current item, 
 * (2) refresh all the values inside the SCORM API object, 
 * (3) open the new item into the content_id frame, 
 * (4) refresh the table of contents
 * (5) refresh the progress bar (completion)
 * (6) refresh the message frame
 * @param	integer		Dokeos ID for the current item
 * @param	string		This parameter can be a string specifying the next 
 *						item (like 'next', 'previous', 'first' or 'last') or the id to the next item  
 */
 
function switch_item(current_item, next_item) {
    //backup these params
    var orig_current_item = current_item;
    var orig_next_item = next_item;
    var orig_lesson_status = lesson_status;
	//(1) save the current item	
	logit_lms('Called switch_item with params '+lms_item_id+' and '+next_item+'',0);
	if (lms_lp_type==1 || lms_item_type=='asset' || session_time == '0' || session_time == '0:00:00'){
        xajax_save_item(lms_lp_id, lms_user_id, lms_view_id, lms_item_id, score, max, min, lesson_status, asset_timer, suspend_data, lesson_location,interactions, lms_item_core_exit);
		if(item_objectives.length>0) {
			xajax_save_objectives(lms_lp_id,lms_user_id,lms_view_id,lms_item_id,item_objectives);
		}
	} else {
        /** 
         * Because of SCORM 1.2's special rule about unsent commits and the fact
         * that a SCO should be SET TO 'completed' IF NO STATUS WAS SENT (and 
         * then some checks have to be done on score), we have to force a 
         * special commit here to avoid getting to the next element with a
         * missing prerequisite. The 'onunload' event is treated with
         * savedata_onunload(), and doesn't need to be triggered at any 
         * particular time, but here we are in the case of switching to another
         * item, so this is particularly important to complete the element in
         * time.
         * However, this cannot be initiated from the JavaScript, mainly
         * because another onunload event can be triggered by the SCO itself,
         * which can set, for example, the status to incomplete while the
         * status has already been set to "completed" by the hand-made
         * savedata(unload) (and then the status cannot be "incompleted" 
         * anymore)
         */
        //if (lms_item_type=='sco' && lesson_status != 'completed' && lesson_status != 'passed' && lesson_status != 'browsed' && lesson_status != 'incomplete' && lesson_status != 'failed') {
            /** 
             * savedata('finish') treats the special condition and saves the
             * new status to the database, so switch_item_details() enjoys the
             * new status
             */
        	//savedata('finish');                                 
        //}
        // xajax_save_item(lms_lp_id, lms_user_id, lms_view_id, lms_item_id, score, max, min, lesson_status, session_time, suspend_data, lesson_location,interactions, lms_item_core_exit);
	}
	execute_stats=false;
	//(2) Refresh all the values inside this SCORM API object - use AJAX
	xajax_switch_item_details(lms_lp_id,lms_user_id,lms_view_id,lms_item_id,next_item);		

	status_info.push(lesson_status);
	/*$my_new_old_item=$("#old_item").val();
	$my_new_current_item=$("#current_item_id").val();*/
	
	$my_new_old_item=info_lms_item[0];
	$my_new_current_item=info_lms_item[1];
	
	//current item

	//old item
	//info_lms_item[0]=next_item;
			
	if (info_lms_item[1]==next_item && next_item!='next' && next_item!='previous') {
		info_lms_item[0]=next_item;
		info_lms_item[1]=next_item;
	} else {
		if (next_item!='next' && next_item!='previous') {
			info_lms_item[0]=info_lms_item[1];
			info_lms_item[1]=next_item;
		}
	}

	if (info_lms_item[0]==next_item && next_item!='next' && next_item!='previous') {
		info_lms_item[0]=next_item;
		info_lms_item[1]=next_item;
	} else {
		if (next_item!='next' && next_item!='previous') {
			info_lms_item[0]=info_lms_item[0];
			info_lms_item[1]=next_item;
		}	
	}

	//(3) open the new item in the content_id frame
	switch(next_item){
		case 'next':
			next_item = lms_next_item;
			info_lms_item[0]=info_lms_item[1];
			info_lms_item[1]=lms_next_item;
			break;
		case 'previous':
			next_item = lms_previous_item;
			info_lms_item[0]=info_lms_item[1];
			info_lms_item[1]=lms_previous_item;
			break;
		default:
			break;
	}		
	var mysrc = 'lp_controller.php?action=content&lp_id='+lms_lp_id+'&item_id='+next_item;
	var cont_f = $("#content_id");
	
	<?php if($oLP->mode == 'fullscreen'){ ?>		
	cont_f = window.open(''+mysrc,'content_id','toolbar=0,location=0,status=0,scrollbars=1,resizable=1');
	cont_f.onload=function(){
		info_lms_item[0]=info_lms_item[1];
		info_lms_item[1]= info_lms_item[1];
	}
	
	cont_f.onunload=function(){
		info_lms_item[0]=info_lms_item[1];
		info_lms_item[1]= info_lms_item[1];
	}

	<?php } else { ?>
		cont_f.attr("src",mysrc);
	<?php } ?>

	if(lms_lp_type==1 || lms_item_type=='asset'){
		xajax_start_timer();
	}	

	//(4) refresh the audio player if needed  
	$.ajax({									
		type: "GET",
		url: "lp_nav.php",
		data: "",
		success: function(tmp_data) {
		 		$("#media").html(tmp_data);							 				
				}		
  	});
/*
    if ( lms_lp_type==2 && (orig_lesson_status == 'not attempted' || orig_lesson_status == '') && orig_current_item != orig_next_item) {
        params = 'lid='+lms_lp_id+'&uid='+lms_user_id+'&vid='+lms_view_id+'&iid='+orig_current_item;
        $.ajax({
        type:"GET",
        data: params,
        url: "lp_ajax_last_update_status.php", 
        dataType: "script"
        });
    }
*/
	return true;
}
/**
 * Save a specific item (with its interactions, if any) into the LMS through
 * an AJAX call. Originally, we used the xajax library. Now we use jQuery.
 * Because of the need to pass an array, we have to build the parameters
 * manually into GET[]
 */
function xajax_save_item(lms_lp_id, lms_user_id, lms_view_id, lms_item_id, score, max, min, lesson_status, session_time, suspend_data, lesson_location, interactions, lms_item_core_exit) {
        params='';
        params += 'lid='+lms_lp_id+'&uid='+lms_user_id+'&vid='+lms_view_id;
        params += '&iid='+lms_item_id+'&s='+score+'&max='+max+'&min='+min;
        params += '&status='+lesson_status+'&t='+session_time;
        params += '&suspend='+suspend_data+'&loc='+lesson_location;
        params += '&core_exit='+lms_item_core_exit;
        interact_string = '';
        for (i in interactions){
        	interact_string += '&interact['+i+']=';
            interact_temp = '[';
            for (j in interactions[i]) {
            	interact_temp += interactions[i][j]+',';
            }
            interact_temp = interact_temp.substr(0,(interact_temp.length-2)) + ']';
            interact_string += encodeURIComponent(interact_temp);
        }
        //interact_string = encodeURIComponent(interact_string.substr(0,(interact_string.length-1)));
        params += interact_string;
        /*params = {
            'lid': lms_lp_id,
            'uid': lms_user_id,
            'vid': lms_view_id,
            'iid': lms_item_id,
            's': score,
            'max': max,
            'min': min,
            'status': lesson_status, 
            't': session_time, 
            'suspend': suspend_data,
            'loc': lesson_location,
            'interact': interac_string, 
            'core_exit': lms_item_core_exit
        }
        */
       if ( lms_lp_type==1) {
          $.ajax({
            type:"GET",
            data: params,
            url: "lp_ajax_save_item.php", 
            dataType: "script",
            async: false
            }
        );     	
       }

        
}

function xajax_save_item_scorm(lms_lp_id, lms_user_id, lms_view_id, lms_item_id,info_get_lms) {

// var variables_scorm = new Array('cmi.core.score.raw','cmi.core.score.max','cmi.core.score.min','cmi.core.lesson_location',
//'cmi.core.lesson_status','cmi.completion_status','cmi.core.session_time','cmi.score.scaled','cmi.success_status',
//'cmi.suspend_data','cmi.core.exit','interactions');

	params='';
	params += 'lid='+lms_lp_id+'&uid='+lms_user_id+'&vid='+lms_view_id+'&iid='+lms_item_id;
	
	for (k=0;k<info_get_lms.length;k++) {
		if (my_get_value_scorm[k]=='cmi.core.session_time') {
			params += '&t='+session_time;
		} else if (my_get_value_scorm[k]=='cmi.core.lesson_status' && lesson_status!='') {
			 params += '&status='+lesson_status;
		} else if (my_get_value_scorm[k]=='cmi.core.score.raw') {
			 params += '&s='+score;
		} else if (my_get_value_scorm[k]=='cmi.core.score.max') {
        	params += '&max='+max;			
		} else if (my_get_value_scorm[k]=='cmi.core.score.min') {
	        params += '&min='+min;		
		} else if (my_get_value_scorm[k]=='cmi.core.lesson_location') {
	        params += '&loc='+lesson_location;		
		} else if (my_get_value_scorm[k]=='cmi.completion_status') {
			
		} else if (my_get_value_scorm[k]=='cmi.score.scaled') {
			
		} else if (my_get_value_scorm[k]=='cmi.suspend_data') {
	        params += '&suspend='+suspend_data;		
		} else if (my_get_value_scorm[k]=='cmi.completion_status') {
			
		} else if (my_get_value_scorm[k]=='cmi.core.exit') {
	        params += '&core_exit='+lms_item_core_exit;		
		}
		
		if (my_get_value_scorm[k]=='interactions') {
			is_interactions='true';
		} else {
			is_interactions='false';
		}
	}
		 
 if (is_interactions=='true')  {
         interact_string = '';
        for (i in interactions){
        	interact_string += '&interact['+i+']=';
            interact_temp = '[';
            for (j in interactions[i]) {
            	interact_temp += interactions[i][j]+',';
            }
            interact_temp = interact_temp.substr(0,(interact_temp.length-2)) + ']';
            interact_string += encodeURIComponent(interact_temp);
        }
        //interact_string = encodeURIComponent(interact_string.substr(0,(interact_string.length-1)));
        
        params += interact_string;	
        is_interactions='false';
 }

  	//alert("parameters : "+params); 
        /*params = {
            'lid': lms_lp_id,
            'uid': lms_user_id,
            'vid': lms_view_id,
            'iid': lms_item_id,
            's': score,
            'max': max,
            'min': min,
            'status': lesson_status, 
            't': session_time, 
            'suspend': suspend_data,
            'loc': lesson_location,
            'interact': interac_string, 
            'core_exit': lms_item_core_exit
        }*/
       $.ajax({
            type:"GET",
            data: params,
            url: "lp_ajax_save_item.php", 
            dataType: "script",
            async: false
            }
        );
        
        params='';
        
}

/**
 * Starts the timer with the server clock time.
 * Originally, we used the xajax library. Now we use jQuery
 */
function xajax_start_timer() {
    $.ajax({
        type: "GET",
        url: "lp_ajax_start_timer.php",
        dataType: "script",
        async: false
    });	
}
/**
 * Save a specific item's objectives into the LMS through
 * an AJAX call. Originally, we used the xajax library. Now we use jQuery
 */
function xajax_save_objectives(lms_lp_id,lms_user_id,lms_view_id,lms_item_id,item_objectives) {
        params='';
        params += 'lid='+lms_lp_id+'&uid='+lms_user_id+'&vid='+lms_view_id;
        params += '&iid='+lms_item_id;
        obj_string = '';
        for (i in item_objectives){
            obj_string += '&objectives['+i+']=';
            obj_temp = '[';
            for (j in item_objectives[i]) {
                obj_temp += item_objectives[i][j]+',';
            }
            obj_temp = obj_temp.substr(0,(obj_temp.length-2)) + ']';
            obj_string += encodeURIComponent(obj_temp);
        }
        params += obj_string;
        $.ajax({
            type: "GET",
            data: params,
            url: "lp_ajax_save_objectives.php",
            dataType: "script",
            async: false
        });
}
/**
 * Switch between two items through
 * an AJAX call. Originally, we used the xajax library. Now we use jQuery
 */
function xajax_switch_item_details(lms_lp_id,lms_user_id,lms_view_id,lms_item_id,next_item) {
    params = {
        'lid': lms_lp_id,
        'uid': lms_user_id,
        'vid': lms_view_id,
        'iid': lms_item_id,
        'next': next_item
    }
    $.ajax({
        type: "GET",
        data: params,
        url: "lp_ajax_switch_item.php",
        dataType: "script",
        async: false
    });
}


addEvent(window,'load',addListeners,false);
if(lms_lp_type==1 || lms_item_type=='asset'){
	xajax_start_timer();
}
