fillTeamSprit.js

var rows = document.querySelectorAll('tr.days')
var idx = 0

function fmtDigit(n) {
  return n < 10 ? '0' + n : String(n);
}

function fmtTime(time) {
  return fmtDigit(Math.floor(time / 60)) + ':' + fmtDigit(time % 60);
}

function fillNext() {
  var row = rows[idx++];
  if(!row) {
    console.info('completed');
    return;
  }
  if(row.className.match(/rowcl\d/)) {
    fillNext();
    return;
  }
  row.querySelectorAll('.vst')[0].click();
  setTimeout(function() {
    var start = 9.5 * 60 + Math.round(60 * Math.random());
    var end = start + 9 * 60 + Math.ceil(60 * Math.random());
    document.getElementById('startTime').value = fmtTime(start);
    document.getElementById('endTime').value = fmtTime(end);
    document.getElementById('dlgInpTimeOk').click();
    setTimeout(fillNext, 5000)
  }, 1000);
}

fillNext();