setInterval( "slideSwitch()", 10000 );

function slideSwitch() {
    var active = jQuery('#slider div.active');

    if ( active.length == 0 ) active = jQuery('#slider div:last');
    
  //  alert(active.next().id);
    
    var next = active.next().length ? active.next() : jQuery('#slider div:first');

    active.addClass('last-active');

    next.css({opacity: 0.0})
        .addClass('active')
        .animate({opacity: 1.0}, 500, function() {
            active.removeClass('active last-active');
        });
}

function slideSwitchPrev() {
    var active = jQuery('#slider div.active');
    if ( active.length == 0 )
      active = jQuery('#slider div:last');
    var prev = active.prev().length ? active.prev() : jQuery('#slider div:last');
    active.addClass('last-active');
    prev.css({opacity: 0.0})
        .addClass('active')
        .animate({opacity: 1.0}, 500, function() {
          active.removeClass('active last-active');
        });
}

jQuery(document).ready(function() {
  jQuery("div#slideshow a.next").click(function(e) {
    e.preventDefault();
    slideSwitch();
  });
  jQuery("div#slideshow a.prev").click(function(e) {
    e.preventDefault();
    slideSwitchPrev();
  });
});