Manilla-downloader

manilla-downloader.js

(function() {
  /* Edit if you have a slow connection! */
  var delayInSeconds = 2;

  var csv = "";
  function download() {
    var dataRows, getNext, max, curr = 0, nextPage;
    nextPage = $("a.next_page");
    dataRows = $("tr.doc");
    max = dataRows.length;
    getNext = function() {
      if (curr < max) {
        row = $(dataRows[curr]);
        csv += "\n" + row.data().docId + ',"' + row.find(".account")[0].innerText.trim() + '","' + row.find(".date")[0].innerText.trim() + '"';
        row.find("a.download")[0].click();
        curr += 1;
        window.setTimeout(getNext,delayInSeconds*1000);
      } else if (nextPage.length > 0) { 
        nextPage[0].click();
        window.setTimeout(download,delayInSeconds*1000);
      } else {
        console.log(csv.substr(1));
      }
    }
    getNext();
  }
  
  download();
})();

Navigate to your Manilla All Documents page and paste this into your browser's console. Should be cross-browser compatible but not tested. When it's done, it will output a CSV representation of the account and date of each document to the console.