function LMSInitialize(dummyString) {

    // already initialized or already finished
    /*if ((flagInitialized) || (flagFinished)) {
        if( flagFinished ){
            return "false";
        }else{
            return "true";
        }
        
    }*/

    // set initialization flag
    flagInitialized = true;

    /*
     if (LMSGetValue('cmi.core.score.raw') == '100' && 
        LMSGetValue('cmi.core.lesson_status') == 'completed' 
        || LMSGetValue('cmi.core.lesson_status') == 'passed' ) {
    */

    if (  LMSGetValue('cmi.core.lesson_status') == 'completed' 
        || LMSGetValue('cmi.core.lesson_status') == 'passed' ) {
        flagFinished = true;
        window.removeEventListener("onunload", LMSFinish);
        window.removeEventListener("onbeforeunload", LMSFinish);
        $('.btn-return').show();
    } else {
        flagFinished = false;
        $('.btn-return').hide();
    }

    //console.dir(cache);
    // return success value
    return "true";

}

// ------------------------------------------
//   SCORM RTE Functions - Getting and Setting Values
// ------------------------------------------
function LMSGetValue(varname) {

    // not initialized or already finished
    if ((!flagInitialized)) {
        return "false";
    }

    // otherwise, return the requested data
    return cache[varname];

}

function LMSSetValue(varname, varvalue) {
    // not initialized or already finished
    if ((!flagInitialized)) {
        return "false";
    }
    // otherwise, set the requested data, and return success value
    cache[varname] = varvalue;
    if( varname == "cmi.core.score.raw" || varname == "cmi.core.lesson_status"){
        LMSRealCommit('');
    }

    return "true";
}

// ------------------------------------------
//   SCORM RTE Functions - Saving the Cache to the Database
// ------------------------------------------
function LMSCommit(dummyString) {
    return "true";
}
// ------------------------------------------
//   SCORM RTE Functions - Saving the Cache to the Database
// ------------------------------------------
function LMSRealCommit(dummyString) {
    // not initialized or already finished
    if ((!flagInitialized) || (flagFinished)) {
        return "false";
    } else {
        // code to prevent caching
        var d = new Date();
        var data = new Object();
        data['cmi.core.lesson_location'] = cache['cmi.core.lesson_location'];
        data['cmi.core.lesson_status'] = cache['cmi.core.lesson_status'];
        data['cmi.core.exit'] = cache['cmi.core.exit'];
        data['cmi.core.score.raw'] = cache['cmi.core.score.raw'];
        if (cache['cmi.core.score.raw'] == "100") {
            data['cmi.core.lesson_status'] = "completed";
        }

        if (cache['cmi.core.lesson_status'] == "completed" || cache['cmi.core.lesson_status'] == "passed") {
            $('.btn-return').show();
        }
        data['cmi.suspend_data'] = cache['cmi.suspend_data'];
        data['cmi.core.session_time'] = cache['cmi.core.session_time'];
        var elr = "";
        $.ajax({
                url: basepathsaves__ + 'runtime/commit.php',
                type: 'POST',
                data: {
                    SCOInstanceID: SCOInstanceID,
                    data: JSON.stringify(data),
                    code: d.getTime()
                }
            })
            .done(function() {
                if (cache['cmi.core.score.raw'] == "100" && cache['cmi.core.lesson_status'] == "completed") {
                    flagFinished = true;
                    $('.btn-return').show();
                }
                elr = "true";
            })
            .fail(function() {
                console.log('Problem with AJAX Request in LMSCommit()');
                elr = "false";
            })
            .always(function() {
                return elr;
            });
    }
}
// ------------------------------------------
//   SCORM RTE Functions - Closing The Session
// ------------------------------------------
function LMSFinish(dummyString) {

    var body = document.body,
        html = document.documentElement;
    var height = Math.max(body.scrollHeight, body.offsetHeight, html.clientHeight, html.scrollHeight, html.offsetHeight);

    if( $(".layer-load").length > 0 ){
        document.getElementsByClassName("layer-load")[0].style.height = height + "px";
        document.getElementsByClassName("layer-load")[0].style.display = "block";
        window.onresize = function(event) {
        var body = document.body,
            html = document.documentElement;
        var height = Math.max(body.scrollHeight, body.offsetHeight, html.clientHeight, html.scrollHeight, html.offsetHeight);
        document.getElementsByClassName("layer-load")[0].style.height = height + "px";
    };
    }

    

    
    // not initialized or already finished
    if ((!flagInitialized) || (flagFinished)) {
        console.log("out");
    } else {
        flagFinished = true;
        var d = new Date();
        // commit cached values to the database
        // not initialized or already finished
        // code to prevent caching
        var d = new Date();
        var data = new Object();
        data['cmi.core.lesson_location'] = cache['cmi.core.lesson_location'];
        data['cmi.core.lesson_status'] = cache['cmi.core.lesson_status'];
        data['cmi.core.exit'] = cache['cmi.core.exit'];
        data['cmi.core.score.raw'] = cache['cmi.core.score.raw'];
        if (cache['cmi.core.score.raw'] == "100") {
            data['cmi.core.lesson_status'] = "completed";
        }

        if (cache['cmi.core.lesson_status'] == "completed" || cache['cmi.core.lesson_status'] == "passed") {
            $('.btn-return').show();
        }

        data['cmi.suspend_data'] = cache['cmi.suspend_data'];
        data['cmi.core.session_time'] = cache['cmi.core.session_time'];
        var elr = "";
        $.ajax({
                url: basepathsaves__ + 'runtime/commit.php',
                type: 'POST',
                data: {
                    SCOInstanceID: SCOInstanceID,
                    data: JSON.stringify(data),
                    code: d.getTime()
                }
            })
            .done(function() {

                elr = "true";
            })
            .fail(function() {
                console.log('Problem with AJAX Request in LMSCommit()');
                elr = "false";
            })
            .always(function() {

                return elr;
            });
        //var data = new Object();
        //data['cmi.core.lesson_location'] = cache['cmi.core.lesson_location'];
        //data['cmi.core.lesson_status'] = cache['cmi.core.lesson_status'];
        //data['cmi.core.exit'] = cache['cmi.core.exit'];
        //data['cmi.core.score.raw'] = cache['cmi.core.score.raw'];
        //data['cmi.suspend_data'] = cache['cmi.suspend_data'];
        //data['cmi.core.session_time'] = cache['cmi.core.session_time'];

        // commit cached values to the database
        // code to prevent caching
        /*var computeTimeString = computeTime();
        var elr = "";
        $.ajax({
                url: basepathsaves__+'runtime/finish.php',
                type: 'POST',
                data: {
                    SCOInstanceID: SCOInstanceID,
                    code: d.getTime(),
                    computeTimeString: computeTimeString,
                    data: JSON.stringify(data)
                },
            })
            .done(function() {
                elr = "true";
            })
            .fail(function() {
                alert('Problem with AJAX Request in LMSFinish()');
                elr = "";
            })
            .always(function() {
                flagFinished = true;
                return elr;
            });*/
    }
}
window.addEventListener("pagehide", LMSFinish);
window.onbeforeunload = LMSFinish;
// ------------------------------------------
//   SCORM RTE Functions - Error Handling
// ------------------------------------------
function LMSGetLastError() {
    return 0;
}

function LMSGetDiagnostic(errorCode) {
    return "";
}

function LMSGetErrorString(errorCode) {
    return "";
}




// ------------------------------------------
//   AJAX Request Handling
// ------------------------------------------
function createRequest() {
    var request;
    try {
        request = new XMLHttpRequest();
    } catch (tryIE) {
        try {
            request = new ActiveXObject("Msxml2.XMLHTTP");
        } catch (tryOlderIE) {
            try {
                request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (failed) {
                alert("Error creating XMLHttpRequest");
            }
        }
    }
    return request;
}

// ------------------------------------------
//   URL Encoding
// ------------------------------------------
function urlencode(str) {
    var histogram = {},
        unicodeStr = '',
        hexEscStr = '';
    var ret = (str + '').toString();

    var replacer = function(search, replace, str) {
        var tmp_arr = [];
        tmp_arr = str.split(search);
        return tmp_arr.join(replace);
    };

    // The histogram is identical to the one in urldecode.
    histogram["'"] = '%27';
    histogram['('] = '%28';
    histogram[')'] = '%29';
    histogram['*'] = '%2A';
    histogram['~'] = '%7E';
    histogram['!'] = '%21';
    histogram['%20'] = '+';
    histogram['\u00DC'] = '%DC';
    histogram['\u00FC'] = '%FC';
    histogram['\u00C4'] = '%D4';
    histogram['\u00E4'] = '%E4';
    histogram['\u00D6'] = '%D6';
    histogram['\u00F6'] = '%F6';
    histogram['\u00DF'] = '%DF';
    histogram['\u20AC'] = '%80';
    histogram['\u0081'] = '%81';
    histogram['\u201A'] = '%82';
    histogram['\u0192'] = '%83';
    histogram['\u201E'] = '%84';
    histogram['\u2026'] = '%85';
    histogram['\u2020'] = '%86';
    histogram['\u2021'] = '%87';
    histogram['\u02C6'] = '%88';
    histogram['\u2030'] = '%89';
    histogram['\u0160'] = '%8A';
    histogram['\u2039'] = '%8B';
    histogram['\u0152'] = '%8C';
    histogram['\u008D'] = '%8D';
    histogram['\u017D'] = '%8E';
    histogram['\u008F'] = '%8F';
    histogram['\u0090'] = '%90';
    histogram['\u2018'] = '%91';
    histogram['\u2019'] = '%92';
    histogram['\u201C'] = '%93';
    histogram['\u201D'] = '%94';
    histogram['\u2022'] = '%95';
    histogram['\u2013'] = '%96';
    histogram['\u2014'] = '%97';
    histogram['\u02DC'] = '%98';
    histogram['\u2122'] = '%99';
    histogram['\u0161'] = '%9A';
    histogram['\u203A'] = '%9B';
    histogram['\u0153'] = '%9C';
    histogram['\u009D'] = '%9D';
    histogram['\u017E'] = '%9E';
    histogram['\u0178'] = '%9F';

    // Begin with encodeURIComponent, which most resembles PHP's encoding functions
    ret = encodeURIComponent(ret);

    for (unicodeStr in histogram) {
        hexEscStr = histogram[unicodeStr];
        ret = replacer(unicodeStr, hexEscStr, ret); // Custom replace. No regexing
    }

    // Uppercase for full PHP compatibility
    return ret.replace(/(\%([a-z0-9]{2}))/g, function(full, m1, m2) {
        return "%" + m2.toUpperCase();
    });
}
API.LMSInitialize = LMSInitialize;
API.LMSGetValue = LMSGetValue;
API.LMSSetValue = LMSSetValue;
API.LMSCommit = LMSCommit;
API.LMSFinish = LMSFinish;
API.LMSGetLastError = LMSGetLastError;
API.LMSGetErrorString = LMSGetErrorString;
API.LMSGetDiagnostic = LMSGetDiagnostic;
var startDate = 0;

function resizeIframe(iframe) {
    var padding = 50;
    if ($("#navsco").length > 0) {
        var navbar360 = $("#navsco").outerHeight();
    } else {
        var navbar360 = 0;
    }

    padding = padding + navbar360;
    if (iframe.contentWindow.document.body.scrollHeight < (window.innerHeight - padding))
        iframe.height = iframe.contentWindow.document.body.scrollHeight + "px";
    else
        iframe.height = (window.innerHeight + padding) + "px";
}

/**
 * Descripción: Inica el conteo del tiempo en el sco
 * @return
 * @method startTimer
 * @return 
 */
function startTimer() {
    startDate = new Date().getTime();
}
/**
 * Descripción: calucla el tiempo que el usuario permance en el sco
 * @method computeTime
 * @return formattedTime
 */
function computeTime() {
    var formattedTime = "00:00:00.0";
    if (startDate != 0) {
        var currentDate = new Date().getTime();
        var elapsedSeconds = ((currentDate - startDate) / 1000);
        formattedTime = convertTotalSeconds(elapsedSeconds);
    }
    return formattedTime;

}
/**
 * Descripción: convierte el tiempo en segundos
 * @method convertTotalSeconds
 * @param ts de tipo time
 * @return rtnVal
 */
function convertTotalSeconds(ts) {
    var Sec = (ts % 60);
    ts -= Sec;
    var tmp = (ts % 3600);
    ts -= tmp;
    if ((ts % 3600) != 0) var Hour = "00";
    else var Hour = "" + (ts / 3600);
    if ((tmp % 60) != 0) var Min = "00";
    else var Min = "" + (tmp / 60);
    Sec = "" + Sec
    Sec = Sec.substring(0, Sec.indexOf("."))
    if (Hour.length < 2) Hour = "0" + Hour;
    if (Min.length < 2) Min = "0" + Min;
    if (Sec.length < 2) Sec = "0" + Sec;
    var rtnVal = Hour + ":" + Min + ":" + Sec;
    return rtnVal;
}