function slideSwitch() {
 var $active = $('#fade IMG.active');
 if ( $active.length == 0 ) $active = $('#fade IMG:last');
 var $next = $active.next().length ? $active.next() : $('#fade IMG:first');
// var $sibs = $active.siblings();
// var rndNum = Math.floor(Math.random() * $sibs.length );
// var $next = $( $sibs[ rndNum ] );
$active.addClass('last-active');
 $next.css({opacity: 0.0})
 .addClass('active')
 .animate({opacity: 1.0}, 2000, function() {
 $active.removeClass('active last-active');
 });
}