WaitForGmail loading -- The jQuery ready function doesn't work on AJAX call, use this instead -- Use this link to embed : https://gist.githubusercontent.com/allquest/3e5b163374d4be41f599e12b0695294f/raw/

waitForGmail.js

/*
  usage example: waitForGmail(function(){ console.log('TEGO!!')});
*/

function waitForGmail(callback){
  if (window.top != window.self)  //don't run on frames or iframes
      return;


  var zGbl_PageChangedByAJAX_Timer = '';


  window.addEventListener ("load", LocalMain, false);


  function LocalMain ()
  {
      if (typeof zGbl_PageChangedByAJAX_Timer == "number")
      {
          clearTimeout (zGbl_PageChangedByAJAX_Timer);
          zGbl_PageChangedByAJAX_Timer  = '';
      }

      document.body.addEventListener ("DOMNodeInserted", PageBitHasLoaded, false);
  }


  function PageBitHasLoaded (zEvent)
  {
      if (typeof zGbl_PageChangedByAJAX_Timer == "number")
      {
          clearTimeout (zGbl_PageChangedByAJAX_Timer);
          zGbl_PageChangedByAJAX_Timer  = '';
      }
      zGbl_PageChangedByAJAX_Timer      = setTimeout (function() {HandlePageChange (); }, 666);
  }


  function HandlePageChange ()
  {
      removeEventListener ("DOMNodeInserted", PageBitHasLoaded, false);

      if (callback){
        callback();
      }
  }
}