$(document).ready(function() {
  $('#show-alert').click(function() {
    $('<div class="quick-alert">Alert! Watch me before it\'s too late!</div>')
    .insertAfter( $(this) )
    .fadeIn('slow')
    .animate({opacity: 1.0}, 3000)
    .fadeOut('slow', function() {
      $(this).remove();
    });
  });
});