function slideSwitch() {
  
  var $active = $('#header2 IMG.active');

  if ($active.length == 0) $active = $('#header2 IMG:last');

  // use this to pull the images in the order they appear in the markup
  var $next = $active.next().length ? $active.next() : $('#header2 IMG:first');

  // uncomment the 3 lines below to pull the images in random order
  // var $sibs  = $active.siblings();
  // var rndNum = Math.floor(Math.random() * $sibs.length );
  // var $next  = $( $sibs[ rndNum ] );
  $active.addClass('last-active');

  $next.css({
    opacity: 0.0
  }).addClass('active').animate({
    opacity: 1.0
  }, 1000, function () {
    $active.removeClass('active last-active');
  });
}

$(function() {
    setInterval( "slideSwitch()", 8000 );
});