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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle 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 3 of the License, or
// (at your option) any later version.
//
// Moodle 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 Moodle.  If not, see <http://www.gnu.org/licenses/>.

echo html_writer::start_tag('script');
?>

<!--// hopefully fool ie IE proof way of getting DOM element
function safeGetElement(doc, el) {
    return doc.ids ? doc.ids[el] : doc.getElementById ? doc.getElementById(el) : doc.all[el];
}
// Find elements by class name
var aryClassElements = new Array();
function getNextElementByClassName( strClassName, obj ) {
    if ( obj.className == strClassName ) {
        aryClassElements[aryClassElements.length] = obj;
    }
    for ( var i = 0; i < obj.childNodes.length; i++ )
        getNextElementByClassName( strClassName, obj.childNodes[i] );
}

// retrieve cookie data
function getCookie (cookie_name){
    var results = document.cookie.match ( '(^|;) ?' + cookie_name + '=([^;]*)(;|$)' );
    if ( results ) {
        return (unescape(results[2]));
    } else {
        return null;
    }
}

// retrieve the logging flag from a Cookie
function getLoggingActive () {
    var loggingActive = getCookie('SCORMLoggingActive');
    if (!loggingActive) {
        loggingActive = 'A';
    }
    return loggingActive;
}

// set the logging flag in a cookie
function setLoggingActive (flag) {
    new cookie("SCORMLoggingActive", flag, 365, "/").set();
}

// toggle the logging
function toggleLog () {
    if (getLoggingActive() == "A") {
        AppendToLog("Moodle Logging Deactivated", 0);
        setLoggingActive('N');
        logButton.innerHTML = '-><?php echo addslashes_js(get_string('scormloggingoff', 'scorm')); ?>';
    } else {
        setLoggingActive('A');
        AppendToLog("Moodle Logging Activated", 0);
        logButton.innerHTML = '<?php echo addslashes_js(get_string('scormloggingon', 'scorm')); ?>';
        logPopUpWindow.focus();
    }
}

// globals for the log accumulation
var logString = "";
var logRow = 0;
var logPopUpWindow = "N";
var debugSCORMVersion = '<?php echo $scorm->version; ?>';
<?php
$lmsprefix = (scorm_version_check($scorm->version, SCORM_12) || empty($scorm->version)) ? 'LMS' : '';
$lmsapi = (scorm_version_check($scorm->version, SCORM_12) || empty($scorm->version)) ? 'API' : 'API_1484_11';

$lmselements = array();
if (scorm_version_check($scorm->version, SCORM_12) || empty($scorm->version)) {
    $lmselements = array(   'cmi.core._children',
                            'cmi.core.student_id',
                            'cmi.core.student_name',
                            'cmi.core.lesson_location',
                            'cmi.core.credit',
                            'cmi.core.lesson_status',
                            'cmi.core.entry',
                            'cmi.core._children',
                            'cmi.core.score.raw',
                            'cmi.core.score.max',
                            'cmi.core.score.min',
                            'cmi.core.total_time',
                            'cmi.core.lesson_mode',
                            'cmi.core.exit',
                            'cmi.core.session_time',
                            'cmi.suspend_data',
                            'cmi.launch_data',
                            'cmi.comments',
                            'cmi.comments_from_lms',
                            'cmi.objectives._count',
                            'cmi.objectives._children',
                            'cmi.objectives.n.id',
                            'cmi.objectives.n.score._children',
                            'cmi.objectives.n.score.raw',
                            'cmi.objectives.n.score.min',
                            'cmi.objectives.n.score.max',
                            'cmi.objectives.n.status',
                            'cmi.student_data._children',
                            'cmi.student_data.mastery_score',
                            'cmi.student_data.max_time_allowed',
                            'cmi.student_data.time_limit_action',
                            'cmi.student_preference._children',
                            'cmi.student_preference.audio',
                            'cmi.student_preference.language',
                            'cmi.student_preference.speed',
                            'cmi.student_preference.text',
                            'cmi.interactions._children',
                            'cmi.interactions._count',
                            'cmi.interactions.n.id',
                            'cmi.interactions.n.objectives._count',
                            'cmi.interactions.n.objectives.m.id',
                            'cmi.interactions.n.time',
                            'cmi.interactions.n.type',
                            'cmi.interactions.n.correct_responses._count',
                            'cmi.interactions.n.correct_responses.m.pattern',
                            'cmi.interactions.n.weighting',
                            'cmi.interactions.n.student_response',
                            'cmi.interactions.n.result',
                            'cmi.interactions.n.latency');
} else {
    $lmselements = array(   'cmi._children',
                            'cmi._version',
                            'cmi.learner_id',
                            'cmi.learner_name',
                            'cmi.location',
                            'cmi.completion_status',
                            'cmi.completion_threshold',
                            'cmi.scaled_passing_score',
                            'cmi.progressive_measure',
                            'cmi.score._children',
                            'cmi.score.raw',
                            'cmi.score.max',
                            'cmi.score.min',
                            'cmi.score.scaled',
                            'cmi.total_time',
                            'cmi.time_limit_action',
                            'cmi.max_time_allowed',
                            'cmi.session_time',
                            'cmi.success_status',
                            'cmi.lesson_mode',
                            'cmi.entry',
                            'cmi.exit',
                            'cmi.credit',
                            'cmi.mode',
                            'cmi.suspend_data',
                            'cmi.launch_data',
                            'cmi.comments',
                            'cmi.comments_from_lms._children',
                            'cmi.comments_from_lms._count',
                            'cmi.comments_from_lms.n.comment',
                            'cmi.comments_from_lms.n.location',
                            'cmi.comments_from_lms.n.timestamp',
                            'cmi.comments_from_learner._children',
                            'cmi.comments_from_learner._count',
                            'cmi.comments_from_learner.n.comment',
                            'cmi.comments_from_learner.n.location',
                            'cmi.comments_from_learner.n.timestamp',
                            'cmi.objectives._count',
                            'cmi.objectives._children',
                            'cmi.objectives.n.id',
                            'cmi.objectives.n.score._children',
                            'cmi.objectives.n.score.raw',
                            'cmi.objectives.n.score.min',
                            'cmi.objectives.n.score.max',
                            'cmi.objectives.n.score.scaled',
                            'cmi.objectives.n.success_status',
                            'cmi.objectives.n.completion_status',
                            'cmi.objectives.n.progress_measure',
                            'cmi.objectives.n.description',
                            'cmi.student_data._children',
                            'cmi.student_data.mastery_score',
                            'cmi.student_data.max_time_allowed',
                            'cmi.student_data.time_limit_action',
                            'cmi.student_preference._children',
                            'cmi.student_preference.audio',
                            'cmi.student_preference.language',
                            'cmi.student_preference.speed',
                            'cmi.student_preference.text',
                            'cmi.interactions._children',
                            'cmi.interactions._count',
                            'cmi.interactions.n.id',
                            'cmi.interactions.n.objectives._count',
                            'cmi.interactions.n.objectives.m.id',
                            'cmi.interactions.n.time',
                            'cmi.interactions.n.type',
                            'cmi.interactions.n.correct_responses._count',
                            'cmi.interactions.n.correct_responses.m.pattern',
                            'cmi.interactions.n.weighting',
                            'cmi.interactions.n.learner_response',
                            'cmi.interactions.n.result',
                            'cmi.interactions.n.latency',
                            'cmi.interactions.n.description',
                            'adl.nav.request');
}
?>

// add each entry to the log, or setup the log pane first time round
// The code written into the header is based on the ADL test suite API interaction code
// and various examples of test wrappers out in the community
function UpdateLog(s) {
    var s1 = '<html><head><style>\n'
        + 'body {font-family: Arial, Helvetica, Sans-Serif;font-size: xx-small;'
        + 'margin: 0px 0px 0px 0px; padding: 0px 0px 0px 0px; '
        + 'background-color: ffffff;}\n'
        + '.even {background-color: ffffff; width: 100%;}\n'
        + '.odd {background-color: e8f2fe; width: 100%;}\n'
        + '.error {background-color: ffffff; color: red; width: 100%;}\n'
        + '<\/style>'
        + '<script>\n'
        + 'var LMSVersion = \'<?php echo $scorm->version; ?>\';\n'
        + ' \n'
        + 'function checkLMSVersion() {  \n'
        + '    if (this.document.body.childNodes.length > 0) { \n'
        + '        if (this.document.body.lastChild.id == LMSVersion) { \n'
        + '            return true; \n'
        + '        } \n'
        + '    }; \n'
        + '    alert(\'LMS Version: \' + this.document.body.lastChild.id + \n'
        + '          \' does not equal: \' + LMSVersion +  \n'
        + '          \' so API calls will fail - did navigate to another SCORM package?\'); \n'
        + '    return false; \n'
        + '} \n'
        + ' \n'
        + 'var saveElement = ""; \n'
        + 'function setAPIValue() {  \n'
        + '  document.elemForm.API_ELEMENT.value = document.elemForm.ELEMENT_LIST.value; \n'
        + '  saveElement = document.elemForm.API_ELEMENT.value; \n'
        + '} \n'
        + '  \n'
        + 'var _Debug = false;  // set this to false to turn debugging off  \n'
        + '  \n'
        + '// Define exception/error codes  \n'
        + 'var _NoError = 0;  \n'
        + 'var _GeneralException = 101;  \n'
        + 'var _ServerBusy = 102;  \n'
        + 'var _InvalidArgumentError = 201;  \n'
        + 'var _ElementCannotHaveChildren = 202;  \n'
        + 'var _ElementIsNotAnArray = 203;  \n'
        + 'var _NotInitialized = 301;  \n'
        + 'var _NotImplementedError = 401;  \n'
        + 'var _InvalidSetValue = 402;  \n'
        + 'var _ElementIsReadOnly = 403;  \n'
        + 'var _ElementIsWriteOnly = 404;  \n'
        + 'var _IncorrectDataType = 405;  \n'
        + '  \n'
        + '// local variable definitions  \n'
        + 'var apiHandle = null;  \n'
        + 'var API = null;  \n'
        + 'var findAPITries = 0;  \n'
        + '  \n'
        + '  \n'
        + 'function doLMSInitialize() { \n'
        + '   checkLMSVersion(); \n'
        + '   var api = getAPIHandle();  \n'
        + '   if (api == null) {  \n'
        + '      alert("Unable to locate the LMS\'s API Implementation.\\nLMSInitialize was not successful.");  \n'
        + '      return "false";  \n'
        + '   }  \n'
        + '   var result = api.<?php echo $lmsprefix; ?>Initialize("");  \n'
        + '   if (result.toString() != "true") {  \n'
        + '      var err = ErrorHandler();  \n'
        + '   }  \n'
        + '   return result.toString();  \n'
        + '}  \n'
        + '  \n'
        + 'function doLMSFinish() {  \n'
        + '   checkLMSVersion(); \n'
        + '   var api = getAPIHandle();  \n'
        + '   if (api == null) {  \n'
        + '      alert("Unable to locate the LMS\'s API Implementation.\\nLMSFinish was not successful.");  \n'
        + '      return "false";  \n'
        + '   } else {  \n'
        + '      // call the LMSFinish function that should be implemented by the API  \n'
        + '      var result = api.<?php echo $lmsprefix; ?>Finish("");  \n'
        + '      if (result.toString() != "true") {  \n'
        + '         var err = ErrorHandler();  \n'
        + '      }  \n'
        + '   }  \n'
        + '   return result.toString();  \n'
        + '}  \n'
        + '  \n'
        + 'function doLMSTerminate() {  \n'
        + '   checkLMSVersion(); \n'
        + '   var api = getAPIHandle();  \n'
        + '   if (api == null) {  \n'
        + '      alert("Unable to locate the LMS\'s API Implementation.\\nTerminate was not successful.");  \n'
        + '      return "false";  \n'
        + '   } else {  \n'
        + '      // call the Terminate function that should be implemented by the API  \n'
        + '      var result = api.Terminate("");  \n'
        + '      if (result.toString() != "true") {  \n'
        + '         var err = ErrorHandler();  \n'
        + '      }  \n'
        + '   }  \n'
        + '   return result.toString();  \n'
        + '}  \n'
        + '  \n'
        + 'function doLMSGetValue(name) {  \n'
        + '   checkLMSVersion(); \n'
        + '   var api = getAPIHandle();  \n'
        + '   if (api == null) {  \n'
        + '      alert("Unable to locate the LMS\'s API Implementation.\\nLMSGetValue was not successful.");  \n'
        + '      return "";  \n'
        + '   } else {  \n'
        + '      var value = api.<?php echo $lmsprefix; ?>GetValue(name);  \n'
        + '      var errCode = api.<?php echo $lmsprefix; ?>GetLastError().toString();  \n'
        + '      if (errCode != _NoError) {  \n'
        + '         // an error was encountered so display the error description  \n'
        + '         var errDescription = api.<?php echo $lmsprefix; ?>GetErrorString(errCode);  \n'
        + '         alert("<?php echo $lmsprefix; ?>GetValue("+name+") failed. \\n"+ errDescription);  \n'
        + '         return "";  \n'
        + '      } else {  \n'
        + '         return value.toString();  \n'
        + '      }  \n'
        + '   }  \n'
        + '}  \n'
        + '  \n'
        + 'function doLMSSetValue(name, value) {  \n'
        + '   checkLMSVersion(); \n'
        + '   var api = getAPIHandle();  \n'
        + '   if (api == null) {  \n'
        + '      alert("Unable to locate the LMS\'s API Implementation.\\nLMSSetValue was not successful.");  \n'
        + '      return;  \n'
        + '   } else {  \n'
        + '      var result = api.<?php echo $lmsprefix; ?>SetValue(name, value);  \n'
        + '      if (result.toString() != "true") {  \n'
        + '         var err = ErrorHandler();  \n'
        + '      }  \n'
        + '   }  \n'
        + '   return;  \n'
        + '}  \n'
        + '  \n'
        + 'function doLMSCommit() {  \n'
        + '   checkLMSVersion(); \n'
        + '   var api = getAPIHandle();  \n'
        + '   if (api == null) {  \n'
        + '      alert("Unable to locate the LMS\'s API Implementation.\\nLMSCommit was not successful.");  \n'
        + '      return "false";  \n'
        + '   } else {  \n'
        + '      var result = api.<?php echo $lmsprefix; ?>Commit("");  \n'
        + '      if (result != "true") {  \n'
        + '         var err = ErrorHandler();  \n'
        + '      }  \n'
        + '   }  \n'
        + '   return result.toString();  \n'
        + '}  \n'
        + '  \n'
        + 'function doLMSGetLastError() {  \n'
        + '   var api = getAPIHandle();  \n'
        + '   if (api == null) {  \n'
        + '      alert("Unable to locate the LMS\'s API Implementation.\\nLMSGetLastError was not successful.");  \n'
        + '      //since we can\'t get the error code from the LMS, return a general error  \n'
        + '      return _GeneralError;  \n'
        + '   }  \n'
        + '   return api.<?php echo $lmsprefix; ?>GetLastError().toString();  \n'
        + '}  \n'
        + '  \n'
        + 'function doLMSGetErrorString(errorCode) {  \n'
        + '   var api = getAPIHandle();  \n'
        + '   if (api == null) {  \n'
        + '      alert("Unable to locate the LMS\'s API Implementation.\\nLMSGetErrorString was not successful.");  \n'
        + '   }  \n'
        + '   return api.<?php echo $lmsprefix; ?>GetErrorString(errorCode).toString();  \n'
        + '}  \n'
        + '  \n'
        + 'function doLMSGetDiagnostic(errorCode) {  \n'
        + '   var api = getAPIHandle();  \n'
        + '   if (api == null) {  \n'
        + '      alert("Unable to locate the LMS\'s API Implementation.\\nLMSGetDiagnostic was not successful.");  \n'
        + '   }  \n'
        + '   return api.<?php echo $lmsprefix; ?>GetDiagnostic(errorCode).toString();  \n'
        + '}  \n'
        + '  \n'
        + 'function LMSIsInitialized() {  \n'
        + '   // there is no direct method for determining if the LMS API is initialized  \n'
        + '   // for example an LMSIsInitialized function defined on the API so we\'ll try  \n'
        + '   // a simple LMSGetValue and trap for the LMS Not Initialized Error  \n'
        + '   var api = getAPIHandle();  \n'
        + '   if (api == null) {  \n'
        + '      alert("Unable to locate the LMS\'s API Implementation.\\nLMSIsInitialized() failed.");  \n'
        + '      return false;  \n'
        + '   } else {  \n'
        + '      var value = api.<?php echo $lmsprefix; ?>GetValue("cmi.core.student_name");  \n'
        + '      var errCode = api.<?php echo $lmsprefix; ?>GetLastError().toString();  \n'
        + '      if (errCode == _NotInitialized) {  \n'
        + '         return false;  \n'
        + '      } else {  \n'
        + '         return true;  \n'
        + '      }  \n'
        + '   }  \n'
        + '}  \n'
        + '  \n'
        + 'function ErrorHandler() {  \n'
        + '   var api = getAPIHandle();  \n'
        + '   if (api == null) {  \n'
        + '      alert("Unable to locate the LMS\'s API Implementation.\\nCannot determine LMS error code.");  \n'
        + '      return;  \n'
        + '   }  \n'
        + '   // check for errors caused by or from the LMS  \n'
        + '   var errCode = api.<?php echo $lmsprefix; ?>GetLastError().toString();  \n'
        + '   if (errCode != _NoError) {  \n'
        + '      // an error was encountered so display the error description  \n'
        + '      var errDescription = api.<?php echo $lmsprefix; ?>GetErrorString(errCode);  \n'
        + '      if (_Debug == true) {  \n'
        + '         errDescription += "\\n";  \n'
        + '         errDescription += api.<?php echo $lmsprefix; ?>GetDiagnostic(null);  \n'
        + '         // by passing null to LMSGetDiagnostic, we get any available diagnostics  \n'
        + '         // on the previous error.  \n'
        + '      }  \n'
        + '      alert(errDescription);  \n'
        + '   }  \n'
        + '   return errCode;  \n'
        + '}  \n'
        + '  \n'
        + 'function getAPIHandle() {  \n'
        + '   if (apiHandle == null) {  \n'
        + '      apiHandle = getAPI();  \n'
        + '   }  \n'
        + '   return apiHandle;  \n'
        + '}  \n'
        + '  \n'
        + 'function findAPI(win) {  \n'
        + '   while ((win.<?php echo $lmsapi; ?> == null) && (win.parent != null) && (win.parent != win)) {  \n'
        + '      findAPITries++;  \n'
        + '      // Note: 7 is an arbitrary number, but should be more than sufficient  \n'
        + '      if (findAPITries > 7) {  \n'
        + '         alert("Error finding API -- too deeply nested.");  \n'
        + '         return null;  \n'
        + '      }  \n'
        + '      win = win.parent;  \n'
        + '   }  \n'
        + '   return win.<?php echo $lmsapi; ?>;  \n'
        + '}  \n'
        + '  \n'
        + 'function getAPI() {  \n'
        + '   var theAPI = findAPI(window);  \n'
        + '   if ((theAPI == null) && (window.opener != null) && (typeof(window.opener) != "undefined")) {  \n'
        + '      theAPI = findAPI(window.opener);  \n'
        + '   }  \n'
        + '   if (theAPI == null) {  \n'
        + '      alert("Unable to find an API adapter");  \n'
        + '   }  \n'
        + '   return theAPI  \n'
        + '}  \n'
        + '  \n'
        + '   function tryLMSInitialize() {  \n'
        + '      var result = doLMSInitialize();  \n'
        + '      var msg;  \n'
        + '      if(result == "true") {  \n'
        + '         msg = "<?php echo $lmsprefix; ?>Initialize Successful!";  \n'
        + '      } else {  \n'
        + '         var err = doLMSGetLastError();  \n'
        + '         var errString = doLMSGetErrorString(err);  \n'
        + '         msg = "<?php echo $lmsprefix; ?>Initialize Failed! Error Code: "+err;  \n'
        + '         msg += " Error Description: " + errString;  \n'
        + '      }  \n'
        + '      document.initForm.msgtxt.value= msg;  \n'
        + '   }  \n'
        + '  \n'
        + '   function tryLMSCommit() {  \n'
        + '      var result = doLMSCommit();  \n'
        + '      var msg;  \n'
        + '      if(result == "true") {  \n'
        + '         msg = "<?php echo $lmsprefix; ?>Commit was Successful!";  \n'
        + '      } else {  \n'
        + '         var err = doLMSGetLastError();  \n'
        + '         var errString = doLMSGetErrorString(err);  \n'
        + '         var msg = "<?php echo $lmsprefix; ?>Commit Failed! Error Code: "+err;  \n'
        + '         msg += " Error Description: " + errString;  \n'
        + '      }  \n'
        + '      document.otherForm.msgtxt.value = msg; \n'
        + '      document.elemForm.API_ELEMENT.value = saveElement; \n'
        + '   }  \n'
        + '  \n'
        + '   function tryLMSFinish() {  \n'
        + '      // set now, in case the SCO is unloaded on LMSFinish  \n'
        + '      doLMSSetValue("cmi.core.lesson_status", "completed");  \n'
        + '      doLMSSetValue("cmi.core.exit", "");  \n'
        + '      doLMSSetValue("cmi.core.session_time", "00:00:30");  \n'
        + '      var result = doLMSFinish();  \n'
        + '      var msg;  \n'
        + '      if(result == "true") {  \n'
        + '         msg = "LMSFinish Successful!";  \n'
        + '         document.otherForm.msgtxt.value = msg;  \n'
        + '      } else {  \n'
        + '         var err = doLMSGetLastError();  \n'
        + '         var errString = doLMSGetErrorString(err);  \n'
        + '         var msg = "LMSFinish Failed! Error Code: "+err;  \n'
        + '         msg += " Error Description: " + errString;  \n'
        + '         document.otherForm.msgtxt.value = msg;  \n'
        + '      }  \n'
        + '   }  \n'
        + '  \n'
        + '   function tryLMSTerminate() {  \n'
        + '      var result = doLMSTerminate();  \n'
        + '      var msg;  \n'
        + '      if(result == "true") {  \n'
        + '         msg = "Terminate Successful!";  \n'
        + '         document.otherForm.msgtxt.value = msg;  \n'
        + '      } else {  \n'
        + '         var err = doLMSGetLastError();  \n'
        + '         var errString = doLMSGetErrorString(err);  \n'
        + '         var msg = "Terminate Failed! Error Code: "+err;  \n'
        + '         msg += " Error Description: " + errString;  \n'
        + '         document.otherForm.msgtxt.value = msg;  \n'
        + '      }  \n'
        + '   }  \n'
        + '  \n'
        + '   function tryLMSGetValue() {  \n'
        + '     var value = document.elemForm.API_ELEMENT.value;  \n'
        + '     var msg;  \n'
        + '     var result = doLMSGetValue(value);  \n'
        + '     var err = doLMSGetLastError();  \n'
        + '     var errString = doLMSGetErrorString(err);  \n'
        + '     msg = "<?php echo $lmsprefix; ?>GetValue Returned: " + result;  \n'
        + '     msg += "\\nError Code: " + err;  \n'
        + '     msg += "\\nError Description: " + errString;  \n'
        + '     document.elemForm.msgtxt.value = msg;  \n'
        + '     document.elemForm.API_ELEMENT.value = saveElement; \n'
        + '   }  \n'
        + '  \n'
        + '   function tryLMSSetValue() {  \n'
        + '     // Get the element that is to be set  \n'
        + '     var setValue = document.elemForm.SET_VAL.value;  \n'
        + '     var item = document.elemForm.API_ELEMENT.value;  \n'
        + '     var msg;  \n'
        + '     var api = getAPIHandle();  \n'
        + '     if (api == null) {  \n'
        + '        alert("Unable to locate the LMS\'s API Implementation.\\n"+  \n'
        + '              "<?php echo $lmsprefix; ?>SetValue was not successful.");  \n'
        + '        return false;  \n'
        + '     }  \n'
        + '     // Try to set the element  \n'
        + '     var result = api.<?php echo $lmsprefix; ?>SetValue( item, setValue );  \n'
        + '     var err = doLMSGetLastError();  \n'
        + '     var errString = doLMSGetErrorString(err);  \n'
        + '     msg = "<?php echo $lmsprefix; ?>SetValue returned: " + result;  \n'
        + '     msg += "\\nError Code: " + err;  \n'
        + '     msg += "\\nError Description: " + errString;  \n'
        + '     document.elemForm.msgtxt.value = msg;  \n'
        + '     document.elemForm.API_ELEMENT.value = saveElement; \n'
        + '   }  \n'
        + '  \n'
        + '   function tryLMSGetLastError() {  \n'
        + '      var err = doLMSGetLastError();  \n'
        + '      document.otherForm.msgtxt.value = "<?php echo $lmsprefix; ?>GetLastError returned Error Code:  " + err;  \n'
        + '   }  \n'
        + '  \n'
        + '   function tryLMSGetErrorString() {  \n'
        + '      var err = doLMSGetLastError();  \n'
        + '      var errString = doLMSGetErrorString(err);  \n'
        + '      document.otherForm.msgtxt.value = "<?php echo $lmsprefix; ?>GetErrorString returned:  " + errString;  \n'
        + '   }  \n'
        + '  \n'
        + '   function tryLMSGetDiagnostic() {  \n'
        + '      var err = doLMSGetLastError();  \n'
        + '      var diagnostic = doLMSGetDiagnostic(err);  \n'
        + '      document.otherForm.msgtxt.value = "<?php echo $lmsprefix; ?>GetDiagnostic returned:  " + diagnostic;  \n'
        + '   } \n'
        + ' \n'
        + '</script>\n'
        + '<\/head><body STYLE="background-color: ffffff; color: black"'
        + 'marginwidth="0" leftmargin="0" hspace="0">'
        + '<h1>SCORM Debugging interface</h1>'
        + '<h2>SCORM Version Detected: <?php echo $scorm->version; ?></h2>'
        + '<input type="hidden" id="mod-scorm-logstate" name="mod-scorm-logstate" value="A" \/>'
        + '<form name="initForm" onsubmit="return false;">'
        + '   <table width="100%" border="0">'
        + '      <tr>'
        + '         <td>'
        + '            <input type = "button" value = "Call <?php echo $lmsprefix; ?>Initialize()"'
        + '             onclick = "tryLMSInitialize();" id="Initialize" name="Initialize" />'
        + '         </td>'
        + '         <td>'
        + '            <label>Result: </label><input type="text" name="msgtxt" id="msgtxt" size="80" readonly value="NotCalled" />'
        + '         </td>'
        + '      </tr>'
        + '   </table>'
        + '</form>'
        + '<hr />'
        + '<form name="elemForm" id="elemForm" onsubmit="return false;">'
        + '   <table width="100%" border="0">'
        + '      <tr>'
        + '         <td><b>Select Data Model Element to Get or Set</b>     '
        + '            <select name = "ELEMENT_LIST" id="ELEMENT_LIST" onchange="setAPIValue()">'
        + '               <option value="NONE">--None Selected--</option>'
        + '               <option value="">******************************************</option>'
<?php

foreach ($lmselements as $element) {
    echo ' + \'               <option value="'.$element.'">'.$element.'</option>\\n\'';
}

?>
        + '            </select>'
        + '            <input type="text" name="API_ELEMENT" id="API_ELEMENT" size="40"><br />'
        + '            <br />'
        + '            <label><b>Select API Function to Call</b></label>     '
        + '            <input type = "button" value = "<?php echo $lmsprefix; ?>GetValue()"'
        + '             onclick = "tryLMSGetValue();" id="lmsGetButton"'
        + '             name="lmsGetButton">  -- OR --  '
        + '            <input type="button" value="<?php echo $lmsprefix; ?>SetValue()"'
        + '             onclick="tryLMSSetValue();" id="lmsSetButton"'
        + '             name="lmsSetButton">'
        + '            <label><b>  value to Set: </b></label>  <input type="text" name="SET_VAL" id="SET_VAL" size="25">'
        + '            <br />'
        + '            <label>Result: </label><br />'
        + '            <textarea name="msgtxt" id="msgtxt" rows="2" cols="150" wrap="VIRTUAL" readonly>None</textarea>'
        + '         </td>'
        + '      </tr>'
        + '   </table>'
        + '</form>'
        + '<hr />'
        + '<form name="otherForm" onsubmit="return false;">'
        + '   <h3>Additional API Functions</h3>'
        + '   <table width="100%" border="0">'
        + '      <tr>'
        + '         <td><input type="button"'
        + '             value="<?php echo $lmsprefix; ?>GetLastError()  "'
        + '             onclick="tryLMSGetLastError();"'
        + '             id="lastErrorButton"'
        + '             name="lastErrorButton">'
        + '            <input type="button"'
        + '             value="<?php echo $lmsprefix; ?>GetErrorString()  "'
        + '             onclick="tryLMSGetErrorString();"'
        + '             id="getErrorStringButton"'
        + '             name="getErrorStringButton">'
        + '            <input type="button"'
        + '             value="<?php echo $lmsprefix; ?>GetDiagnostic()  "'
        + '             onclick="tryLMSGetDiagnostic();"'
        + '             id="getDiagnosticButton"'
        + '             name="getDiagnosticButton">'
        + '            <input type="button"'
        + '             value="<?php echo $lmsprefix; ?>Commit()  "'
        + '             onclick="tryLMSCommit();"'
        + '             id="commitButton"'
        + '             name="commitButton">'
        + '            <input type="button"'
        + '             value="<?php echo scorm_version_check($scorm->version, SCORM_12) ? 'LMSFinish' : 'Terminate'; ?>()  "'
        + '             onclick="try'
        + '             <?php echo scorm_version_check($scorm->version, SCORM_12) ? 'LMSFinish' : 'LMSTerminate'; ?>();"'
        + '             id="finishButton"'
        + '             name="finishButton">'
        + '         </td>'
        + '    </tr>'
        + '    <tr>'
        + '         <td>'
        + '         <label>Result: </label><br />'
        + '            <textarea name="msgtxt" id="msgtxt" rows="2" cols="150" wrap="VIRTUAL" readonly>None</textarea>'
        + '     </td>'
        + '      </tr>'
        + '   </table>'
        + '</form>'
        + '<h3 id="mod-scorm-marker">SCORM API Activity Log<\/h3>';

// Is logging active?
    if (getLoggingActive() != "A") {
        return;
    }

//add an individual log entry
function AppendToLog(s, rc) {
    var sStyle = '';
    if (rc != 0) {
        sStyle = 'class="error"';
    } else if (logRow % 2 != 0) {
        sStyle = 'class="even"';
    } else {
        sStyle = 'class="odd"';
    }
    var now = new Date();
    now.setTime( now.getTime() );
    s = '<div ' + sStyle + ' id="<?php echo $scorm->version; ?>">' + now.toGMTString() + ': ' + s + '<\/div>';
    UpdateLog(s);
    // switch colours for a new section of work
    if (s.match(/Commit|Loaded|Initialize|Terminate|Finish|Moodle SCORM|Moodle Logging/)) {
        logRow++;
    }
}

// format a log entry
function LogAPICall(func, nam, val, rc) {
    // drop call to GetLastError for the time being - it produces too much chatter
    if (func.match(/GetLastError/)) {
        return;
    }
    var s = func + '("' + nam + '"';
    if (val != null && ! (func.match(/GetValue|GetLastError/))) {
        s += ', "' + val + '"';
    }
    s += ')';
    if (func.match(/GetValue/)) {
        s += ' - ' + val;
    }
    s += ' => ' + String(rc) + "   scoid = " + scorm_current_node.scoid;
    AppendToLog(s, rc);
<?php
if (scorm_debugging($scorm) && ($sco->scormtype == 'asset')) {
?>
    hint = 'Item <?php echo $sco->identifier; ?> has been defined as an Asset: it should never call the SCORM API';
    AppendToLog(hint, 101);
<?php
}
?>
}

// Add in a JS controlled link for toggling the Debug logging
if (!document.getElementById('mod-scorm-log-toggle')) {
    var logButton = document.createElement('a');
    logButton.id = 'mod-scorm-log-toggle';
    logButton.name = 'logToggle';
    logButton.href = 'javascript:toggleLog();';
    if (getLoggingActive() == "A") {
        logButton.innerHTML = '<?php echo addslashes_js(get_string('scormloggingon', 'scorm')); ?>';
    } else {
        logButton.innerHTML = '<?php echo addslashes_js(get_string('scormloggingoff', 'scorm')); ?>';
    }
    var content = safeGetElement(document, 'scormpage');
    content.insertBefore(logButton, content.firstChild);
}
-->

<?php
echo html_writer::end_tag('script');