function slideSwitch() {
    var jQueryactive = jQuery('#slideshow IMG.active');
 
    if ( jQueryactive.length == 0 ) jQueryactive = jQuery('#slideshow IMG:last');
 
    var jQuerynext =  jQueryactive.next().length ? jQueryactive.next()
        : jQuery('#slideshow IMG:first');
 
    jQueryactive.addClass('last-active');
 
    jQuerynext.css({opacity: 0.0})
        .addClass('active')
        .animate({opacity: 1.0}, 3000, function() {
            jQueryactive.removeClass('active last-active');
        });
}
 
jQuery(function() {
    setInterval( "slideSwitch()", 10000 );
});