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 slideSwitch1() {
    var $active = $('#slideshow1 IMG.active');

    if ( $active.length == 0 ) $active = $('#slideshow1 IMG:last');

    var $next =  $active.next().length ? $active.next()
        : $('#slideshow1 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 slideSwitch2() {
    var $active = $('#slideshow2 IMG.active');

    if ( $active.length == 0 ) $active = $('#slideshow2 IMG:last');

    var $next =  $active.next().length ? $active.next()
        : $('#slideshow2 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 slideSwitch3() {
    var $active = $('#slideshow3 IMG.active');

    if ( $active.length == 0 ) $active = $('#slideshow3 IMG:last');

    var $next =  $active.next().length ? $active.next()
        : $('#slideshow3 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()", 8000 );
    setInterval( "slideSwitch1()", 4000 );
    setInterval( "slideSwitch2()", 4000 );
    setInterval( "slideSwitch3()", 8000 );
});