function getAge(dateString) {
    var now = new Date();
    var today = new Date(now.getYear(), now.getMonth(), now.getDate());

    var yearNow = now.getYear();
    var monthNow = now.getMonth();
    var dateNow = now.getDate();

    //    var dob = new Date(dateString.substring(6, 10),
    //            dateString.substring(0, 2) - 1,
    //            dateString.substring(3, 5)
    //            );

    var dob = new Date(dateString); // This allows for use of any date format

    var yearDob = dob.getYear();
    var monthDob = dob.getMonth();
    var dateDob = dob.getDate();
    var age = {};
    var ageString = "";
    var yearString = "";
    var monthString = "";
    var dayString = "";


    yearAge = yearNow - yearDob;

    if (monthNow >= monthDob)
        var monthAge = monthNow - monthDob;
    else {
        yearAge--;
        var monthAge = 12 + monthNow - monthDob;
    }

    if (dateNow >= dateDob)
        var dateAge = dateNow - dateDob;
    else {
        monthAge--;
        var dateAge = 31 + dateNow - dateDob;

        if (monthAge < 0) {
            monthAge = 11;
            yearAge--;
        }
    }

    age = {
        years: yearAge,
        months: monthAge,
        days: dateAge
    };

    if (age.years > 1)
        yearString = " years";
    else
        yearString = " year";
    if (age.months > 1)
        monthString = " months";
    else
        monthString = " month";
    if (age.days > 1)
        dayString = " days";
    else
        dayString = " day";


    if ((age.years > 0) && (age.months > 0) && (age.days > 0))
        ageString = age.years + yearString + ", " + age.months + monthString + ", and " + age.days + dayString + " old.";
    else if ((age.years == 0) && (age.months == 0) && (age.days > 0))
        ageString = "Only " + age.days + dayString + " old!";
    else if ((age.years > 0) && (age.months == 0) && (age.days == 0))
        ageString = age.years + yearString + " old. Happy Birthday!!";
    else if ((age.years > 0) && (age.months > 0) && (age.days == 0))
        ageString = age.years + yearString + " and " + age.months + monthString + " old.";
    else if ((age.years == 0) && (age.months > 0) && (age.days > 0))
        ageString = age.months + monthString + " and " + age.days + dayString + " old.";
    else if ((age.years > 0) && (age.months == 0) && (age.days > 0))
        ageString = age.years + yearString + " and " + age.days + dayString + " old.";
    else if ((age.years == 0) && (age.months > 0) && (age.days == 0))
        ageString = age.months + monthString + " old.";
    else
        ageString = "Error";

    return ageString;
}

/**
 * Quick and simple export target #table_id into a csv
 * 
 * Ref: https://stackoverflow.com/questions/15547198/export-html-table-to-csv/56370447
 * 
 * @param table_id The id assigned to the html table
 * @param title The report title
 * @param separator Optional delimeter with a comma default for csv
 */
function download_table_as_csv(table_id, title, separator = ',') {
    // Select rows from table_id
    let rows = document.querySelectorAll('table#' + table_id + ' tr');
    // Construct csv
    let csv = [];
    for (let i = 0; i < rows.length; i++) {
        let cols = rows[i].querySelectorAll('td, th');
        let row_csv = csv_from_cols(cols, separator);
        csv.push(row_csv);
    }
    let csv_string = csv.join('\n');

    // Download it
    let filename = title + ' - ' + new Date().toLocaleDateString() + '.csv';
    let link = document.createElement('a');
    link.style.display = 'none';
    link.setAttribute('target', '_blank');
    link.setAttribute('href', 'data:text/csv;charset=utf-8,' + encodeURIComponent(csv_string));
    link.setAttribute('download', filename);
    document.body.appendChild(link);
    link.click();
    document.body.removeChild(link);
}

/**
 * Quick and simple html print call
 * 
 * @param divToPrint The id assigned to the div
 */
function print_div(divToPrint) {
    let myDiv = document.getElementById(divToPrint);

    // Hide DataTable buttons
    [].forEach.call(myDiv.querySelectorAll('.dt-buttons'), function (el) {
        el.style.visibility = 'hidden';
    });

    // Hide DataTable search box
    [].forEach.call(myDiv.querySelectorAll('.dataTables_filter'), function (el) {
        el.style.visibility = 'hidden';
    });

    // Hide DataTable pagination header
    [].forEach.call(myDiv.querySelectorAll('.dataTables_info'), function (el) {
        el.style.visibility = 'hidden';
    });

    // Hide DataTable pagination buttons
    [].forEach.call(myDiv.querySelectorAll('.dataTables_paginate'), function (el) {
        el.style.visibility = 'hidden';
    });

    let newWindow = window.open('', 'SecondWindow', 'toolbar=0,stat=0');

    newWindow.document.write("<html><body " +
        "class='' " +
        " onload='window.print()'>" +
        myDiv.innerHTML +
        "</body></html>");
    newWindow.document.close();
    return false;
}

/**
 * Quick and simple export target #table_ids into a csv
 * 
 * Ref: https://stackoverflow.com/questions/15547198/export-html-table-to-csv/56370447
 * 
 * @param table_ids The list of ids assigned to the html tables
 * @param title The report title
 * @param separator Optional delimeter with a comma default for csv
 */
function download_tables_as_csv(table_ids, title, separator = ',') {
    let csv_strings = "";
    for (let i = 0; i < table_ids.length; i++) {
        let table_id = table_ids[i];

        // Select rows from table_id
        let rows = document.querySelectorAll('table#' + table_id + ' tr');
        // Construct csv
        let csv = [];
        for (let i = 0; i < rows.length; i++) {
            let cols = rows[i].querySelectorAll('td, th');
            let row_csv = csv_from_cols(cols, separator);
            csv.push(row_csv);
        }

        let csv_string = csv.join('\n');
        csv_strings += csv_string;
        csv_strings += "\n\n";
    }

    // Download it
    let filename = title + ' - ' + new Date().toLocaleDateString() + '.csv';
    let link = document.createElement('a');
    link.style.display = 'none';
    link.setAttribute('target', '_blank');
    link.setAttribute('href', 'data:text/csv;charset=utf-8,' + encodeURIComponent(csv_strings));
    link.setAttribute('download', filename);
    document.body.appendChild(link);
    link.click();
    document.body.removeChild(link);
}

/**
 * Convert column data into a csv
 * 
 * @param cols Html table columns assigned
 * @param separator Optional delimeter with a comma default for csv
 */
function csv_from_cols(cols, separator) {
    let row = [];
    for (let j = 0; j < cols.length; j++) {
        // Clean innertext to remove multiple spaces and jumpline (break csv)
        let data = cols[j].innerText.replace(/(\r\n|\n|\r)/gm, '').replace(/(\s\s)/gm, ' ')
        // Escape double-quote with double-double-quote (see https://stackoverflow.com/questions/17808511/properly-escape-a-double-quote-in-csv)
        data = data.replace(/"/g, '""');
        // Push escaped string
        row.push('"' + data + '"');
    }
    return row.join(separator);
}

// JS number formatter based on https://stackoverflow.com/a/34141813/9788442
function number_format(number, decimals, dec_point, thousands_sep) {
    // Strip all characters but numerical ones.
    number = (number + '').replace(/[^0-9+\-Ee.]/g, '');
    var n = !isFinite(+number) ? 0 : +number,
        prec = !isFinite(+decimals) ? 0 : Math.abs(decimals),
        sep = (typeof thousands_sep === 'undefined') ? ',' : thousands_sep,
        dec = (typeof dec_point === 'undefined') ? '.' : dec_point,
        s = '',
        toFixedFix = function (n, prec) {
            var k = Math.pow(10, prec);
            return '' + Math.round(n * k) / k;
        };

    // Fix for IE parseFloat(0.55).toFixed(0) = 0;
    s = (prec ? toFixedFix(n, prec) : '' + Math.round(n)).split('.');
    if (s[0].length > 3) {
        s[0] = s[0].replace(/\B(?=(?:\d{3})+(?!\d))/g, sep);
    }
    if ((s[1] || '').length < prec) {
        s[1] = s[1] || '';
        s[1] += new Array(prec - s[1].length + 1).join('0');
    }
    return s.join(dec);
}


// will return a currency formating eg 55,000 UGX
function ugandan_shillings(value, currency_code) {
    if (value == "N/A" || value == "") {
        value = 0;
    } else if (typeof value == "string") {
        value = parseInt(value);
        value = number_format(value, 0, ".", ",");
    } else if (typeof value == "number") {
        value = number_format(value, 0, ".", ",");
    } else {
        value = 0;
    }
    return value + " " + currency_code;
}