code: function getNodeVaue(path, obj) {
      // Gets a value from a JSON object
      // vcard[0].url[0]
      var output = null;
      try {
          var arrayDots = path.split(".");
          for (var i = 0; i < arrayDots.length; i++) {
              if (arrayDots[i].indexOf('[') > -1) {
                  // Reconstructs and adds access to array of objects
                  var arrayAB = arrayDots[i].split("[");
                  var arrayName = arrayAB[0];
                  var arrayPosition = Number(arrayAB[1].substring(0, arrayAB[1].length - 1));
  
                  if (obj[arrayName] != null || obj[arrayName] != 'undefined') {
                      if (obj[arrayName][arrayPosition] != null || obj[arrayName][arrayPosition] != 'undefined')
                          obj = obj[arrayName][arrayPosition];
  
                  }
                  else {
                      currentObject = null;
                  }
  
              }
              else {
                  // Adds access to a property using property array ["given-name"]
                  if (obj[arrayDots[i]] != null || obj[arrayDots[i]] != 'undefined')
                    obj = obj[arrayDots[i]];
              }
          }
          output = obj;
      } catch (err) {
          // Add error capture
          output = null;
      }
      return output;
  }
docs: a helper function, finds a property value of a given object literal