function searchNewRecords() {
  // Will not work in Firefox:
  // if (scrolledNearBottom(document.querySelector('body'), this.offset)) {
  // Will work in Firefox and Chrome:
  if (scrolledNearBottom(document.querySelector('body,html'), this.offset)) {
    addSearchedRecords.call(this);
  }
}

function browseNewRecords() {
  // Will not work in Firefox:
  // if (scrolledNearBottom(document.querySelector('body'), this.offset)) {
  // Will work in Firefox and Chrome:
  if (scrolledNearBottom(document.querySelector('body,html'), this.offset)) {
    addBrowsedRecords.call(this);
  }
}