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/**
 * Return the number of occurrences in a list
 * @param  {Array}            arr   list of primitive values (string, numeric, boolean)
 * @param  {String|Numeric}   x     the value to be searched for
 * @return {Int}                    the count of occurrences
 */
function countIf(arr,x) {
   var count = 0;
   if(arr && Array.isArray(arr)) {
      for(var i=0; i<arr.length; i++) {

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/**
 * Generates a random password for a given length and complexity
 * @param  {int} len          number of characters in the password
 * @param  {boolean} upper    toggle to include uppercase letters
 * @param  {boolean} number   toggle to include numeric digits
 * @param  {boolean} special  toggle to include special characters
 * @param  {boolean} space    toggle to include non-breaking space
 * @return {string}           password including minimum 1 character of each complexity
 */
function genPassword(len,upper,number,special,space) {

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/**
 * Returns the number of decimals in a numeric value
 * @param  {string or numeric} n value can be numeric data type or string
 * @return {int}   number of digits after decimal, false if input is NaN
 */
function numDecimals(n) {
   if(typeof n === "undefined" || isNaN(n) === true) return false;

   var input_value = String(n);
   if(input_value.indexOf(".") === -1) {

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/**
 * Convert a whole number of minutes into an hour/minute string
 * @param  {number} m number of minutes, will be truncated
 * @return {string}   string of converted time in hours/minutes
 *                    Example: 1hr, 1hr 40 min, 2 hrs 15 min
 */
function convertMinutesToHours(m) {
  // truncate number of minutes
  m = Math.floor(m);
  

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/**
 * Find the minimum value of an element in a subform
 * @param  {array} myArray       Subform
 * @param  {string} column       Data column name to aggregate
 * @return {int|boolean}         The minimum value found, or false if array is undefined or data column name is not found
 */
function getMin(myArray, column) {
   if (typeof myArray == "undefined" || myArray == null || Array.isArray(myArray) === false) return false;

   var min_value = false;

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/**
 * Find the maximum value of an element in a subform
 * @param  {array} myArray       Subform
 * @param  {string} column       Data column name to aggregate
 * @return {int|boolean}         The maximum value found, or false if array is undefined or data column name is not found
 */
function getMax(myArray, column) {
   if (typeof myArray == "undefined" || myArray == null || Array.isArray(myArray) === false) return false;

   var max_value = false;

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/**
 * Generate a set of unique alphanumeric codes with a timestamped prefix
 * prefix is parsed as an octal value
 * remainder of the code is in the pattern A99, first character is a letter followed by two numbers
 * every three characters are separated by a hyphen
 * @param  {int} num_codes       the number of codes to generate
 * @param  {int} code_length     the length of codes, does not include hyphens
 * @return {array}               list of codes
 */
function simpleCodeGenerator(num_codes,code_length) {

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/**
 * Parse the data from a Location Element and return the requested value
 * @param  {string} l stored string value from a Location Element
 * @param  {string} k name of the requested value
 * @return {string}   parsed value from the Location Element or empty string
 */
function parseLocation(l,k) {
   if(typeof k === "undefined" || k.trim().length === 0) return "";
   
   var location = {};

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function haversineDistance(latitude1, longitude1, latitude2, longitude2, unit) {
   if(typeof latitude1 === "undefined" || typeof longitude1 === "undefined" || typeof latitude2 === "undefined" || typeof longitude2 === "undefined") return -1;
   unit = (typeof unit === "undefined") ? "km" : unit;
   // convert to Number
   latitude1 = Number(latitude1);
   longitude1 = Number(longitude1);
   latitude2 = Number(latitude2);
   longitude2 = Number(longitude2);
   var R = 6371;
   // Radius of the earth in km

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/**
 * Build full name based on three string values, will not double space
 * @param  {string} f first name
 * @param  {string} m middle name
 * @param  {string} l last name
 * @return {string}   three strings joined by space
 */
function makePersonFullName(f,m,l) {
   var full_name = [];
   if(typeof f === "string" && f.trim().length > 0) { full_name.push(f); }