jQuery(function ($) {
    setInterval( "slideSwitch()", 3000 ); 
});

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

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

    // use this to pull the images in the order they appear in the markup
    var $next =  $active.next().length ? $active.next()
        : jQuery('#tv 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: 0.8})
        .addClass('active')
        .animate({opacity: 1.0}, 2000, function() {
            $active.removeClass('active last-active');
        });
        
}