// JavaScript Document$(function() {
$('html').addClass('js');

$(function() {

  var timer = setInterval( showDiv, 200);

  var counter = 2;

  function showDiv() {
    if (counter ==0) { counter++; return; }

    $('div','#container')
      .stop()
      .hide()
      .filter( function() { return this.id.match('div' + counter); })   
      .show('');
    counter == 3? counter = 1 : counter++; 

  }

});