code: function(evt) {
      $('output').innerHTML = '';
      $('result').innerHTML = '';
      oMX.Init(); /* begin with new objects */
      fls = [];
      var cnt = 0;
      var files = evt.target.files; /* FileList object */
      for (var i = 0; i < files.length; i++) { /* loop the selected files */
        var reader = new FileReader();
        reader.onload = function(file) {
          fls[cnt + 1] = oMX.AddFile(file) ? true : false;  /* get a file */
          var c = $('result').innerHTML;
          if (c !== '') {
            c += ', ';
          }
          $('result').innerHTML = c + fls[cnt];
          cnt += 2;
        };
        fls.push(files[i].name, null);
        reader.readAsText(files[i]);
      }
    }
docs: FileList objects handler
  @param {object} evt