$(window).on('keydown', function (event) {
      if (event.keyCode == 123) {

        return false;
      } else if (event.ctrlKey && event.shiftKey && event.keyCode == 73) {

        return false; //Prevent from ctrl+shift+i
      } else if (event.ctrlKey && event.keyCode == 73) {

        return false; //Prevent from ctrl+shift+i
      }
    });
    $(document).on("contextmenu", function (e) {

      e.preventDefault();
    });

    $(document).ready(function () {
      var screenWidth = $(window).width();
      // if window width is smaller than 800 remove the autoplay attribute
      // from the video
      if (screenWidth < 800) {
        $('video').removeAttr('autoplay');
      } else {
        $('video').attr('autoplay');
      }
    });