function slideSwitch() {

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

  	var  $next =   $active.next().length ? $active.next() : $('#slideshow IMG:first')  ;

    $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()", 7000 );

});