Hacky way to download all items from within a smugmug gallery

smugmug.user.js

downloadImages()

function downloadImages () {
  var nextBtn = document.querySelector('.sm-gallery-image-pagination [data-value="right"]')
  var current = -1
  var total = 0

  download(function () {
    var index = document.querySelector('.sm-gallery-image-totals').textContent.split('/')
    current = parseInt(index[0], 10)
    total = parseInt(index[1], 10)

    if (current < total) {
      nextBtn.click()
      setTimeout(downloadImages, (current % 10 === 0) ? 7000 : 2000)
    }
  })
}

function download (cb) {
  document.querySelector('.sm-button-image-download').click()
  setTimeout(cb, 0)
}