message: Add confirm when closing sideex after do thing
  Use the build in confirmation, see webpage below
diff: $(document).ready(function() {
  + window.addEventListener("beforeunload", function(e) {
  + var confirmationMessage = "\o/";
  +
  + e.returnValue = confirmationMessage; // Gecko, Trident, Chrome 34+
  + console.log(e);
  + return confirmationMessage; // Gecko, WebKit, Chrome <34
  + });
  +
  $(".tablesorter").tablesorter();
  //init dropdown width
  