var currPage;

    var thePDF = null;

    function handlePages(page, fileName) {
    // you can now use *page* here
    var scale = 1.5;
    var viewport = page.getViewport(scale);

    var canvas = document.getElementById('the-canvas');
    var context = canvas.getContext('2d');
    canvas.height = viewport.height;
    canvas.width = viewport.width;

    var renderContext = {
    canvasContext: context,
    viewport: viewport
    };

    page.render(renderContext).promise.then(function () {

    var canvas = document.getElementById("the-canvas");
    var fileObject = canvas.toDataURL("image/png").replace("image/png", "image/octet-stream"); //Convert image to 'octet-stream' (Just a download, really)


    var outputFile = fileName.toLowerCase().replace('.pdf', '') + (thePDF.numPages > 1 ? (' page ' + (currPage)) : '') + '.png';

    add_file_output(fileObject, outputFile, thePDF.numPages === 1);

    //Move to next page
    currPage++;
    if (thePDF !== null && currPage <= thePDF.numPages) {

    thePDF.getPage(currPage).then(function (page) {
    handlePages(page, fileName);
    });
    }

    });

    }


    function fireEvent(obj, evt) {

    var fireOnThis = obj;
    if (document.createEvent) {
    var evObj = document.createEvent('MouseEvents');
    evObj.initEvent(evt, true, false);
    fireOnThis.dispatchEvent(evObj);

    } else if (document.createEventObject) {
    var evObj = document.createEventObject();
    fireOnThis.fireEvent('on' + evt, evObj);
    }
    }


    function processFile(blob, fileName) {

    var reader = new FileReader();


    reader.onload = function (e) {
    PDFJS.workerSrc = '/scripts/pdf.worker.js';
    var pdfAsDataUri = e.target.result;
    var pdfAsArray = convertDataURIToBinary(pdfAsDataUri);

    PDFJS.getDocument(pdfAsArray).then(function (pdf) {

    thePDF = pdf;

    pdf.getPage(1).then(function (page) {

    currPage = 1;

    handlePages(page, fileName);



    });

    });

    }

    reader.readAsDataURL(blob);

    var BASE64_MARKER = ';base64,';

    function convertDataURIToBinary(dataURI) {
    var base64Index = dataURI.indexOf(BASE64_MARKER) + BASE64_MARKER.length;
    var base64 = dataURI.substring(base64Index);
    var raw = window.atob(base64);
    var rawLength = raw.length;
    var array = new Uint8Array(new ArrayBuffer(rawLength));

    for (i = 0; i < rawLength; i++) {
    array[i] = raw.charCodeAt(i);
    }
    return array;
    }




    }








function replaceAll(find, replace, str) {
    return str.replace(new RegExp(find, 'g'), replace);
}

function beautify(str) {


    var result = '';

    var length = str.length;

    var i = 0;

    var braceCountLeft = 0;
    var braceCountRight = 0;

    var withinQuotes = false;

    while (i < length) {

        var c = str[i];

        if (c == '"' && (i == 0 || c[i - 1] != '\\')) {
            // non-escaped quotes
            withinQuotes = !withinQuotes;
        }

        if (!withinQuotes && (c == '}' || c == '{' || c == ',')) {

            console.log('Start####' + result);

            // look back and remove carriage returns and whitespace that are already there

            var resultIndex = result.length - 1;
            while (resultIndex >= 0 && (result[resultIndex] == ' ' || result[resultIndex] == '\r' || result[resultIndex] == '\n' || result[resultIndex] == '\t')) {

                resultIndex = resultIndex - 1;
                result = result.substr(0, resultIndex + 1);

                console.log('char ' + result[resultIndex] + '-----' + result + 'zzz ' + result.length + ' ' + resultIndex);

            }


            if (c == '{') {
                braceCountLeft++;
                result += c + '\r' + GetTabs(braceCountLeft - braceCountRight);
            } else if (c == '}') {
                braceCountRight++;
                // precede with carriage return
                result += '\r' + GetTabs(braceCountLeft - braceCountRight) + c;
            } else if (c == ',') {
                result += c + '\r' + GetTabs(braceCountLeft - braceCountRight);
            }

            var nextChar = '';

            // advance through whitespace and remove carriage returns that are already there
            while (i < length && (str[i + 1] == ' ' || str[i + 1] == '\r' || str[i + 1] == '\n' || str[i + 1] == '\t')) {
                i++;
            }

        } else {

            result += str[i];

        }


        i++;

    }

    return result;

}

function GetTabs(count) {

    var result = '';

    for (var i = 0; i < count; i++) {
        result += '    ';
    }

    return result;

}