function slideSwitch() {
    var $active = $('#slideshow P.active');

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

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

    $active.addClass('last-active');

    $next.css({opacity: 0.0})
        .addClass('active')
        .animate({opacity: 1.0}, 3000, function() {
            $active.removeClass('active last-active');
        });
}

$(function() {
	$('#slideshow P:first').addClass('active');
    setInterval( "slideSwitch()", 7000 );
});